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:$a), [{
245 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
248 /// Split a 32-bit immediate into two 16 bit parts.
249 def hi16 : SDNodeXForm<imm, [{
250 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
253 def lo16AllZero : PatLeaf<(i32 imm), [{
254 // Returns true if all low 16-bits are 0.
255 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
258 /// imm0_65535 - An immediate is in the range [0.65535].
259 def Imm0_65535AsmOperand: AsmOperandClass { let Name = "Imm0_65535"; }
260 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
261 return Imm >= 0 && Imm < 65536;
263 let ParserMatchClass = Imm0_65535AsmOperand;
266 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
267 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
269 /// adde and sube predicates - True based on whether the carry flag output
270 /// will be needed or not.
271 def adde_dead_carry :
272 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
273 [{return !N->hasAnyUseOfValue(1);}]>;
274 def sube_dead_carry :
275 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
276 [{return !N->hasAnyUseOfValue(1);}]>;
277 def adde_live_carry :
278 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
279 [{return N->hasAnyUseOfValue(1);}]>;
280 def sube_live_carry :
281 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
282 [{return N->hasAnyUseOfValue(1);}]>;
284 // An 'and' node with a single use.
285 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
286 return N->hasOneUse();
289 // An 'xor' node with a single use.
290 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
291 return N->hasOneUse();
294 // An 'fmul' node with a single use.
295 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
296 return N->hasOneUse();
299 // An 'fadd' node which checks for single non-hazardous use.
300 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
301 return hasNoVMLxHazardUse(N);
304 // An 'fsub' node which checks for single non-hazardous use.
305 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
306 return hasNoVMLxHazardUse(N);
309 //===----------------------------------------------------------------------===//
310 // Operand Definitions.
314 // FIXME: rename brtarget to t2_brtarget
315 def brtarget : Operand<OtherVT> {
316 let EncoderMethod = "getBranchTargetOpValue";
319 // FIXME: get rid of this one?
320 def uncondbrtarget : Operand<OtherVT> {
321 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
324 // Branch target for ARM. Handles conditional/unconditional
325 def br_target : Operand<OtherVT> {
326 let EncoderMethod = "getARMBranchTargetOpValue";
330 // FIXME: rename bltarget to t2_bl_target?
331 def bltarget : Operand<i32> {
332 // Encoded the same as branch targets.
333 let EncoderMethod = "getBranchTargetOpValue";
336 // Call target for ARM. Handles conditional/unconditional
337 // FIXME: rename bl_target to t2_bltarget?
338 def bl_target : Operand<i32> {
339 // Encoded the same as branch targets.
340 let EncoderMethod = "getARMBranchTargetOpValue";
344 // A list of registers separated by comma. Used by load/store multiple.
345 def RegListAsmOperand : AsmOperandClass {
346 let Name = "RegList";
347 let SuperClasses = [];
350 def DPRRegListAsmOperand : AsmOperandClass {
351 let Name = "DPRRegList";
352 let SuperClasses = [];
355 def SPRRegListAsmOperand : AsmOperandClass {
356 let Name = "SPRRegList";
357 let SuperClasses = [];
360 def reglist : Operand<i32> {
361 let EncoderMethod = "getRegisterListOpValue";
362 let ParserMatchClass = RegListAsmOperand;
363 let PrintMethod = "printRegisterList";
366 def dpr_reglist : Operand<i32> {
367 let EncoderMethod = "getRegisterListOpValue";
368 let ParserMatchClass = DPRRegListAsmOperand;
369 let PrintMethod = "printRegisterList";
372 def spr_reglist : Operand<i32> {
373 let EncoderMethod = "getRegisterListOpValue";
374 let ParserMatchClass = SPRRegListAsmOperand;
375 let PrintMethod = "printRegisterList";
378 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
379 def cpinst_operand : Operand<i32> {
380 let PrintMethod = "printCPInstOperand";
384 def pclabel : Operand<i32> {
385 let PrintMethod = "printPCLabel";
388 // ADR instruction labels.
389 def adrlabel : Operand<i32> {
390 let EncoderMethod = "getAdrLabelOpValue";
393 def neon_vcvt_imm32 : Operand<i32> {
394 let EncoderMethod = "getNEONVcvtImm32OpValue";
397 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
398 def rot_imm : Operand<i32>, ImmLeaf<i32, [{
399 int32_t v = (int32_t)Imm;
400 return v == 8 || v == 16 || v == 24; }]> {
401 let EncoderMethod = "getRotImmOpValue";
404 def ShifterAsmOperand : AsmOperandClass {
405 let Name = "Shifter";
406 let SuperClasses = [];
409 // shift_imm: An integer that encodes a shift amount and the type of shift
410 // (currently either asr or lsl) using the same encoding used for the
411 // immediates in so_reg operands.
412 def shift_imm : Operand<i32> {
413 let PrintMethod = "printShiftImmOperand";
414 let ParserMatchClass = ShifterAsmOperand;
417 def ShiftedRegAsmOperand : AsmOperandClass {
418 let Name = "ShiftedReg";
421 // shifter_operand operands: so_reg and so_imm.
422 def so_reg : Operand<i32>, // reg reg imm
423 ComplexPattern<i32, 3, "SelectShifterOperandReg",
424 [shl,srl,sra,rotr]> {
425 let EncoderMethod = "getSORegOpValue";
426 let PrintMethod = "printSORegOperand";
427 let ParserMatchClass = ShiftedRegAsmOperand;
428 let MIOperandInfo = (ops GPR, GPR, shift_imm);
430 // FIXME: Does this need to be distinct from so_reg?
431 def shift_so_reg : Operand<i32>, // reg reg imm
432 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
433 [shl,srl,sra,rotr]> {
434 let EncoderMethod = "getSORegOpValue";
435 let PrintMethod = "printSORegOperand";
436 let MIOperandInfo = (ops GPR, GPR, shift_imm);
439 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
440 // 8-bit immediate rotated by an arbitrary number of bits.
441 def so_imm : Operand<i32>, ImmLeaf<i32, [{
442 return ARM_AM::getSOImmVal(Imm) != -1;
444 let EncoderMethod = "getSOImmOpValue";
447 // Break so_imm's up into two pieces. This handles immediates with up to 16
448 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
449 // get the first/second pieces.
450 def so_imm2part : PatLeaf<(imm), [{
451 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
454 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
456 def arm_i32imm : PatLeaf<(imm), [{
457 if (Subtarget->hasV6T2Ops())
459 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
462 /// imm0_7 predicate - Immediate in the range [0,31].
463 def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
464 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
465 return Imm >= 0 && Imm < 8;
467 let ParserMatchClass = Imm0_7AsmOperand;
470 /// imm0_15 predicate - Immediate in the range [0,31].
471 def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
472 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
473 return Imm >= 0 && Imm < 16;
475 let ParserMatchClass = Imm0_15AsmOperand;
478 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
479 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
480 return Imm >= 0 && Imm < 32;
483 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
484 def imm0_31_m1 : Operand<i32>, ImmLeaf<i32, [{
485 return Imm >= 0 && Imm < 32;
487 let EncoderMethod = "getImmMinusOneOpValue";
490 // i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
491 // The imm is split into imm{15-12}, imm{11-0}
493 def i32imm_hilo16 : Operand<i32> {
494 let EncoderMethod = "getHiLo16ImmOpValue";
497 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
499 def bf_inv_mask_imm : Operand<i32>,
501 return ARM::isBitFieldInvertedMask(N->getZExtValue());
503 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
504 let PrintMethod = "printBitfieldInvMaskImmOperand";
507 /// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
508 def lsb_pos_imm : Operand<i32>, ImmLeaf<i32, [{
509 return isInt<5>(Imm);
512 /// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
513 def width_imm : Operand<i32>, ImmLeaf<i32, [{
514 return Imm > 0 && Imm <= 32;
516 let EncoderMethod = "getMsbOpValue";
519 def ssat_imm : Operand<i32>, ImmLeaf<i32, [{
520 return Imm > 0 && Imm <= 32;
522 let EncoderMethod = "getSsatBitPosValue";
525 // Define ARM specific addressing modes.
527 def MemMode2AsmOperand : AsmOperandClass {
528 let Name = "MemMode2";
529 let SuperClasses = [];
530 let ParserMethod = "tryParseMemMode2Operand";
533 def MemMode3AsmOperand : AsmOperandClass {
534 let Name = "MemMode3";
535 let SuperClasses = [];
536 let ParserMethod = "tryParseMemMode3Operand";
539 // addrmode_imm12 := reg +/- imm12
541 def addrmode_imm12 : Operand<i32>,
542 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
543 // 12-bit immediate operand. Note that instructions using this encode
544 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
545 // immediate values are as normal.
547 let EncoderMethod = "getAddrModeImm12OpValue";
548 let PrintMethod = "printAddrModeImm12Operand";
549 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
551 // ldst_so_reg := reg +/- reg shop imm
553 def ldst_so_reg : Operand<i32>,
554 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
555 let EncoderMethod = "getLdStSORegOpValue";
556 // FIXME: Simplify the printer
557 let PrintMethod = "printAddrMode2Operand";
558 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
561 // addrmode2 := reg +/- imm12
562 // := reg +/- reg shop imm
564 def addrmode2 : Operand<i32>,
565 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
566 let EncoderMethod = "getAddrMode2OpValue";
567 let PrintMethod = "printAddrMode2Operand";
568 let ParserMatchClass = MemMode2AsmOperand;
569 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
572 def am2offset : Operand<i32>,
573 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
574 [], [SDNPWantRoot]> {
575 let EncoderMethod = "getAddrMode2OffsetOpValue";
576 let PrintMethod = "printAddrMode2OffsetOperand";
577 let MIOperandInfo = (ops GPR, i32imm);
580 // addrmode3 := reg +/- reg
581 // addrmode3 := reg +/- imm8
583 def addrmode3 : Operand<i32>,
584 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
585 let EncoderMethod = "getAddrMode3OpValue";
586 let PrintMethod = "printAddrMode3Operand";
587 let ParserMatchClass = MemMode3AsmOperand;
588 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
591 def am3offset : Operand<i32>,
592 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
593 [], [SDNPWantRoot]> {
594 let EncoderMethod = "getAddrMode3OffsetOpValue";
595 let PrintMethod = "printAddrMode3OffsetOperand";
596 let MIOperandInfo = (ops GPR, i32imm);
599 // ldstm_mode := {ia, ib, da, db}
601 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
602 let EncoderMethod = "getLdStmModeOpValue";
603 let PrintMethod = "printLdStmModeOperand";
606 def MemMode5AsmOperand : AsmOperandClass {
607 let Name = "MemMode5";
608 let SuperClasses = [];
611 // addrmode5 := reg +/- imm8*4
613 def addrmode5 : Operand<i32>,
614 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
615 let PrintMethod = "printAddrMode5Operand";
616 let MIOperandInfo = (ops GPR:$base, i32imm);
617 let ParserMatchClass = MemMode5AsmOperand;
618 let EncoderMethod = "getAddrMode5OpValue";
621 // addrmode6 := reg with optional alignment
623 def addrmode6 : Operand<i32>,
624 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
625 let PrintMethod = "printAddrMode6Operand";
626 let MIOperandInfo = (ops GPR:$addr, i32imm);
627 let EncoderMethod = "getAddrMode6AddressOpValue";
630 def am6offset : Operand<i32>,
631 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
632 [], [SDNPWantRoot]> {
633 let PrintMethod = "printAddrMode6OffsetOperand";
634 let MIOperandInfo = (ops GPR);
635 let EncoderMethod = "getAddrMode6OffsetOpValue";
638 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
639 // (single element from one lane) for size 32.
640 def addrmode6oneL32 : Operand<i32>,
641 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
642 let PrintMethod = "printAddrMode6Operand";
643 let MIOperandInfo = (ops GPR:$addr, i32imm);
644 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
647 // Special version of addrmode6 to handle alignment encoding for VLD-dup
648 // instructions, specifically VLD4-dup.
649 def addrmode6dup : Operand<i32>,
650 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
651 let PrintMethod = "printAddrMode6Operand";
652 let MIOperandInfo = (ops GPR:$addr, i32imm);
653 let EncoderMethod = "getAddrMode6DupAddressOpValue";
656 // addrmodepc := pc + reg
658 def addrmodepc : Operand<i32>,
659 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
660 let PrintMethod = "printAddrModePCOperand";
661 let MIOperandInfo = (ops GPR, i32imm);
664 def MemMode7AsmOperand : AsmOperandClass {
665 let Name = "MemMode7";
666 let SuperClasses = [];
670 // Used by load/store exclusive instructions. Useful to enable right assembly
671 // parsing and printing. Not used for any codegen matching.
673 def addrmode7 : Operand<i32> {
674 let PrintMethod = "printAddrMode7Operand";
675 let MIOperandInfo = (ops GPR);
676 let ParserMatchClass = MemMode7AsmOperand;
679 def nohash_imm : Operand<i32> {
680 let PrintMethod = "printNoHashImmediate";
683 def CoprocNumAsmOperand : AsmOperandClass {
684 let Name = "CoprocNum";
685 let SuperClasses = [];
686 let ParserMethod = "tryParseCoprocNumOperand";
689 def CoprocRegAsmOperand : AsmOperandClass {
690 let Name = "CoprocReg";
691 let SuperClasses = [];
692 let ParserMethod = "tryParseCoprocRegOperand";
695 def p_imm : Operand<i32> {
696 let PrintMethod = "printPImmediate";
697 let ParserMatchClass = CoprocNumAsmOperand;
700 def c_imm : Operand<i32> {
701 let PrintMethod = "printCImmediate";
702 let ParserMatchClass = CoprocRegAsmOperand;
705 //===----------------------------------------------------------------------===//
707 include "ARMInstrFormats.td"
709 //===----------------------------------------------------------------------===//
710 // Multiclass helpers...
713 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
714 /// binop that produces a value.
715 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
716 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
717 PatFrag opnode, string baseOpc, bit Commutable = 0> {
718 // The register-immediate version is re-materializable. This is useful
719 // in particular for taking the address of a local.
720 let isReMaterializable = 1 in {
721 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
722 iii, opc, "\t$Rd, $Rn, $imm",
723 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
728 let Inst{19-16} = Rn;
729 let Inst{15-12} = Rd;
730 let Inst{11-0} = imm;
733 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
734 iir, opc, "\t$Rd, $Rn, $Rm",
735 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
740 let isCommutable = Commutable;
741 let Inst{19-16} = Rn;
742 let Inst{15-12} = Rd;
743 let Inst{11-4} = 0b00000000;
746 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
747 iis, opc, "\t$Rd, $Rn, $shift",
748 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
753 let Inst{19-16} = Rn;
754 let Inst{15-12} = Rd;
755 let Inst{11-0} = shift;
758 // Assembly aliases for optional destination operand when it's the same
759 // as the source operand.
760 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
761 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
762 so_imm:$imm, pred:$p,
765 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
766 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
770 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
771 (!cast<Instruction>(!strconcat(baseOpc, "rs")) GPR:$Rdn, GPR:$Rdn,
772 so_reg:$shift, pred:$p,
777 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
778 /// instruction modifies the CPSR register.
779 let isCodeGenOnly = 1, Defs = [CPSR] in {
780 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
781 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
782 PatFrag opnode, bit Commutable = 0> {
783 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
784 iii, opc, "\t$Rd, $Rn, $imm",
785 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
791 let Inst{19-16} = Rn;
792 let Inst{15-12} = Rd;
793 let Inst{11-0} = imm;
795 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
796 iir, opc, "\t$Rd, $Rn, $Rm",
797 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
801 let isCommutable = Commutable;
804 let Inst{19-16} = Rn;
805 let Inst{15-12} = Rd;
806 let Inst{11-4} = 0b00000000;
809 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
810 iis, opc, "\t$Rd, $Rn, $shift",
811 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
817 let Inst{19-16} = Rn;
818 let Inst{15-12} = Rd;
819 let Inst{11-0} = shift;
824 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
825 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
826 /// a explicit result, only implicitly set CPSR.
827 let isCompare = 1, Defs = [CPSR] in {
828 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
829 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
830 PatFrag opnode, bit Commutable = 0> {
831 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
833 [(opnode GPR:$Rn, so_imm:$imm)]> {
838 let Inst{19-16} = Rn;
839 let Inst{15-12} = 0b0000;
840 let Inst{11-0} = imm;
842 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
844 [(opnode GPR:$Rn, GPR:$Rm)]> {
847 let isCommutable = Commutable;
850 let Inst{19-16} = Rn;
851 let Inst{15-12} = 0b0000;
852 let Inst{11-4} = 0b00000000;
855 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
856 opc, "\t$Rn, $shift",
857 [(opnode GPR:$Rn, so_reg:$shift)]> {
862 let Inst{19-16} = Rn;
863 let Inst{15-12} = 0b0000;
864 let Inst{11-0} = shift;
869 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
870 /// register and one whose operand is a register rotated by 8/16/24.
871 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
872 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
873 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
874 IIC_iEXTr, opc, "\t$Rd, $Rm",
875 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
876 Requires<[IsARM, HasV6]> {
879 let Inst{19-16} = 0b1111;
880 let Inst{15-12} = Rd;
881 let Inst{11-10} = 0b00;
884 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
885 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
886 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
887 Requires<[IsARM, HasV6]> {
891 let Inst{19-16} = 0b1111;
892 let Inst{15-12} = Rd;
893 let Inst{11-10} = rot;
898 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
899 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
900 IIC_iEXTr, opc, "\t$Rd, $Rm",
901 [/* For disassembly only; pattern left blank */]>,
902 Requires<[IsARM, HasV6]> {
903 let Inst{19-16} = 0b1111;
904 let Inst{11-10} = 0b00;
906 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
907 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
908 [/* For disassembly only; pattern left blank */]>,
909 Requires<[IsARM, HasV6]> {
911 let Inst{19-16} = 0b1111;
912 let Inst{11-10} = rot;
916 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
917 /// register and one whose operand is a register rotated by 8/16/24.
918 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
919 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
920 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
921 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
922 Requires<[IsARM, HasV6]> {
926 let Inst{19-16} = Rn;
927 let Inst{15-12} = Rd;
928 let Inst{11-10} = 0b00;
929 let Inst{9-4} = 0b000111;
932 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
934 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
935 [(set GPR:$Rd, (opnode GPR:$Rn,
936 (rotr GPR:$Rm, rot_imm:$rot)))]>,
937 Requires<[IsARM, HasV6]> {
942 let Inst{19-16} = Rn;
943 let Inst{15-12} = Rd;
944 let Inst{11-10} = rot;
945 let Inst{9-4} = 0b000111;
950 // For disassembly only.
951 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
952 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
953 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
954 [/* For disassembly only; pattern left blank */]>,
955 Requires<[IsARM, HasV6]> {
956 let Inst{11-10} = 0b00;
958 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
960 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
961 [/* For disassembly only; pattern left blank */]>,
962 Requires<[IsARM, HasV6]> {
965 let Inst{19-16} = Rn;
966 let Inst{11-10} = rot;
970 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
971 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
972 string baseOpc, bit Commutable = 0> {
973 let Uses = [CPSR] in {
974 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
975 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
976 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
982 let Inst{15-12} = Rd;
983 let Inst{19-16} = Rn;
984 let Inst{11-0} = imm;
986 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
987 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
988 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
993 let Inst{11-4} = 0b00000000;
995 let isCommutable = Commutable;
997 let Inst{15-12} = Rd;
998 let Inst{19-16} = Rn;
1000 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1001 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1002 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
1008 let Inst{11-0} = shift;
1009 let Inst{15-12} = Rd;
1010 let Inst{19-16} = Rn;
1013 // Assembly aliases for optional destination operand when it's the same
1014 // as the source operand.
1015 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1016 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1017 so_imm:$imm, pred:$p,
1020 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1021 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1025 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1026 (!cast<Instruction>(!strconcat(baseOpc, "rs")) GPR:$Rdn, GPR:$Rdn,
1027 so_reg:$shift, pred:$p,
1032 // Carry setting variants
1033 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
1034 let usesCustomInserter = 1 in {
1035 multiclass AI1_adde_sube_s_irs<PatFrag opnode, bit Commutable = 0> {
1036 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1038 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>;
1039 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1041 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
1042 let isCommutable = Commutable;
1044 def rs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1046 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>;
1050 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1051 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1052 InstrItinClass iir, PatFrag opnode> {
1053 // Note: We use the complex addrmode_imm12 rather than just an input
1054 // GPR and a constrained immediate so that we can use this to match
1055 // frame index references and avoid matching constant pool references.
1056 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1057 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1058 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1061 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1062 let Inst{19-16} = addr{16-13}; // Rn
1063 let Inst{15-12} = Rt;
1064 let Inst{11-0} = addr{11-0}; // imm12
1066 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1067 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1068 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1071 let shift{4} = 0; // Inst{4} = 0
1072 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1073 let Inst{19-16} = shift{16-13}; // Rn
1074 let Inst{15-12} = Rt;
1075 let Inst{11-0} = shift{11-0};
1080 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1081 InstrItinClass iir, PatFrag opnode> {
1082 // Note: We use the complex addrmode_imm12 rather than just an input
1083 // GPR and a constrained immediate so that we can use this to match
1084 // frame index references and avoid matching constant pool references.
1085 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1086 (ins GPR:$Rt, addrmode_imm12:$addr),
1087 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1088 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1091 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1092 let Inst{19-16} = addr{16-13}; // Rn
1093 let Inst{15-12} = Rt;
1094 let Inst{11-0} = addr{11-0}; // imm12
1096 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1097 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1098 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1101 let shift{4} = 0; // Inst{4} = 0
1102 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1103 let Inst{19-16} = shift{16-13}; // Rn
1104 let Inst{15-12} = Rt;
1105 let Inst{11-0} = shift{11-0};
1108 //===----------------------------------------------------------------------===//
1110 //===----------------------------------------------------------------------===//
1112 //===----------------------------------------------------------------------===//
1113 // Miscellaneous Instructions.
1116 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1117 /// the function. The first operand is the ID# for this instruction, the second
1118 /// is the index into the MachineConstantPool that this is, the third is the
1119 /// size in bytes of this constant pool entry.
1120 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1121 def CONSTPOOL_ENTRY :
1122 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1123 i32imm:$size), NoItinerary, []>;
1125 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1126 // from removing one half of the matched pairs. That breaks PEI, which assumes
1127 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1128 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1129 def ADJCALLSTACKUP :
1130 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1131 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1133 def ADJCALLSTACKDOWN :
1134 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1135 [(ARMcallseq_start timm:$amt)]>;
1138 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
1139 [/* For disassembly only; pattern left blank */]>,
1140 Requires<[IsARM, HasV6T2]> {
1141 let Inst{27-16} = 0b001100100000;
1142 let Inst{15-8} = 0b11110000;
1143 let Inst{7-0} = 0b00000000;
1146 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
1147 [/* For disassembly only; pattern left blank */]>,
1148 Requires<[IsARM, HasV6T2]> {
1149 let Inst{27-16} = 0b001100100000;
1150 let Inst{15-8} = 0b11110000;
1151 let Inst{7-0} = 0b00000001;
1154 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
1155 [/* For disassembly only; pattern left blank */]>,
1156 Requires<[IsARM, HasV6T2]> {
1157 let Inst{27-16} = 0b001100100000;
1158 let Inst{15-8} = 0b11110000;
1159 let Inst{7-0} = 0b00000010;
1162 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
1163 [/* For disassembly only; pattern left blank */]>,
1164 Requires<[IsARM, HasV6T2]> {
1165 let Inst{27-16} = 0b001100100000;
1166 let Inst{15-8} = 0b11110000;
1167 let Inst{7-0} = 0b00000011;
1170 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
1172 [/* For disassembly only; pattern left blank */]>,
1173 Requires<[IsARM, HasV6]> {
1178 let Inst{15-12} = Rd;
1179 let Inst{19-16} = Rn;
1180 let Inst{27-20} = 0b01101000;
1181 let Inst{7-4} = 0b1011;
1182 let Inst{11-8} = 0b1111;
1185 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1186 [/* For disassembly only; pattern left blank */]>,
1187 Requires<[IsARM, HasV6T2]> {
1188 let Inst{27-16} = 0b001100100000;
1189 let Inst{15-8} = 0b11110000;
1190 let Inst{7-0} = 0b00000100;
1193 // The i32imm operand $val can be used by a debugger to store more information
1194 // about the breakpoint.
1195 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1196 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1198 let Inst{3-0} = val{3-0};
1199 let Inst{19-8} = val{15-4};
1200 let Inst{27-20} = 0b00010010;
1201 let Inst{7-4} = 0b0111;
1204 // Change Processor State is a system instruction -- for disassembly and
1206 // FIXME: Since the asm parser has currently no clean way to handle optional
1207 // operands, create 3 versions of the same instruction. Once there's a clean
1208 // framework to represent optional operands, change this behavior.
1209 class CPS<dag iops, string asm_ops>
1210 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1211 [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
1217 let Inst{31-28} = 0b1111;
1218 let Inst{27-20} = 0b00010000;
1219 let Inst{19-18} = imod;
1220 let Inst{17} = M; // Enabled if mode is set;
1222 let Inst{8-6} = iflags;
1224 let Inst{4-0} = mode;
1228 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
1229 "$imod\t$iflags, $mode">;
1230 let mode = 0, M = 0 in
1231 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1233 let imod = 0, iflags = 0, M = 1 in
1234 def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
1236 // Preload signals the memory system of possible future data/instruction access.
1237 // These are for disassembly only.
1238 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1240 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1241 !strconcat(opc, "\t$addr"),
1242 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1245 let Inst{31-26} = 0b111101;
1246 let Inst{25} = 0; // 0 for immediate form
1247 let Inst{24} = data;
1248 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1249 let Inst{22} = read;
1250 let Inst{21-20} = 0b01;
1251 let Inst{19-16} = addr{16-13}; // Rn
1252 let Inst{15-12} = 0b1111;
1253 let Inst{11-0} = addr{11-0}; // imm12
1256 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1257 !strconcat(opc, "\t$shift"),
1258 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1260 let Inst{31-26} = 0b111101;
1261 let Inst{25} = 1; // 1 for register form
1262 let Inst{24} = data;
1263 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1264 let Inst{22} = read;
1265 let Inst{21-20} = 0b01;
1266 let Inst{19-16} = shift{16-13}; // Rn
1267 let Inst{15-12} = 0b1111;
1268 let Inst{11-0} = shift{11-0};
1272 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1273 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1274 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1276 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1278 [/* For disassembly only; pattern left blank */]>,
1281 let Inst{31-10} = 0b1111000100000001000000;
1286 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1287 []>, Requires<[IsARM, HasV7]> {
1289 let Inst{27-4} = 0b001100100000111100001111;
1290 let Inst{3-0} = opt;
1293 // A5.4 Permanently UNDEFINED instructions.
1294 let isBarrier = 1, isTerminator = 1 in
1295 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1298 let Inst = 0xe7ffdefe;
1301 // Address computation and loads and stores in PIC mode.
1302 let isNotDuplicable = 1 in {
1303 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1305 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1307 let AddedComplexity = 10 in {
1308 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1310 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1312 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1314 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1316 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1318 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1320 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1322 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1324 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1326 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1328 let AddedComplexity = 10 in {
1329 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1330 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1332 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1333 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1334 addrmodepc:$addr)]>;
1336 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1337 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1339 } // isNotDuplicable = 1
1342 // LEApcrel - Load a pc-relative address into a register without offending the
1344 let neverHasSideEffects = 1, isReMaterializable = 1 in
1345 // The 'adr' mnemonic encodes differently if the label is before or after
1346 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1347 // know until then which form of the instruction will be used.
1348 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1349 MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
1352 let Inst{27-25} = 0b001;
1354 let Inst{19-16} = 0b1111;
1355 let Inst{15-12} = Rd;
1356 let Inst{11-0} = label;
1358 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1361 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1362 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1365 //===----------------------------------------------------------------------===//
1366 // Control Flow Instructions.
1369 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1371 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1372 "bx", "\tlr", [(ARMretflag)]>,
1373 Requires<[IsARM, HasV4T]> {
1374 let Inst{27-0} = 0b0001001011111111111100011110;
1378 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1379 "mov", "\tpc, lr", [(ARMretflag)]>,
1380 Requires<[IsARM, NoV4T]> {
1381 let Inst{27-0} = 0b0001101000001111000000001110;
1385 // Indirect branches
1386 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1388 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1389 [(brind GPR:$dst)]>,
1390 Requires<[IsARM, HasV4T]> {
1392 let Inst{31-4} = 0b1110000100101111111111110001;
1393 let Inst{3-0} = dst;
1396 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1397 "bx", "\t$dst", [/* pattern left blank */]>,
1398 Requires<[IsARM, HasV4T]> {
1400 let Inst{27-4} = 0b000100101111111111110001;
1401 let Inst{3-0} = dst;
1405 // All calls clobber the non-callee saved registers. SP is marked as
1406 // a use to prevent stack-pointer assignments that appear immediately
1407 // before calls from potentially appearing dead.
1409 // On non-Darwin platforms R9 is callee-saved.
1410 // FIXME: Do we really need a non-predicated version? If so, it should
1411 // at least be a pseudo instruction expanding to the predicated version
1412 // at MC lowering time.
1413 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1415 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1416 IIC_Br, "bl\t$func",
1417 [(ARMcall tglobaladdr:$func)]>,
1418 Requires<[IsARM, IsNotDarwin]> {
1419 let Inst{31-28} = 0b1110;
1421 let Inst{23-0} = func;
1424 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1425 IIC_Br, "bl", "\t$func",
1426 [(ARMcall_pred tglobaladdr:$func)]>,
1427 Requires<[IsARM, IsNotDarwin]> {
1429 let Inst{23-0} = func;
1433 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1434 IIC_Br, "blx\t$func",
1435 [(ARMcall GPR:$func)]>,
1436 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1438 let Inst{31-4} = 0b1110000100101111111111110011;
1439 let Inst{3-0} = func;
1442 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1443 IIC_Br, "blx", "\t$func",
1444 [(ARMcall_pred GPR:$func)]>,
1445 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1447 let Inst{27-4} = 0b000100101111111111110011;
1448 let Inst{3-0} = func;
1452 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1453 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1454 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1455 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1458 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1459 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1460 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1464 // On Darwin R9 is call-clobbered.
1465 // R7 is marked as a use to prevent frame-pointer assignments from being
1466 // moved above / below calls.
1467 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1468 Uses = [R7, SP] in {
1469 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1471 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1472 Requires<[IsARM, IsDarwin]>;
1474 def BLr9_pred : ARMPseudoExpand<(outs),
1475 (ins bl_target:$func, pred:$p, variable_ops),
1477 [(ARMcall_pred tglobaladdr:$func)],
1478 (BL_pred bl_target:$func, pred:$p)>,
1479 Requires<[IsARM, IsDarwin]>;
1482 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1484 [(ARMcall GPR:$func)],
1486 Requires<[IsARM, HasV5T, IsDarwin]>;
1488 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1490 [(ARMcall_pred GPR:$func)],
1491 (BLX_pred GPR:$func, pred:$p)>,
1492 Requires<[IsARM, HasV5T, IsDarwin]>;
1495 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1496 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1497 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1498 Requires<[IsARM, HasV4T, IsDarwin]>;
1501 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1502 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1503 Requires<[IsARM, NoV4T, IsDarwin]>;
1506 let isBranch = 1, isTerminator = 1 in {
1507 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1508 // a two-value operand where a dag node expects two operands. :(
1509 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1510 IIC_Br, "b", "\t$target",
1511 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1513 let Inst{23-0} = target;
1516 let isBarrier = 1 in {
1517 // B is "predicable" since it's just a Bcc with an 'always' condition.
1518 let isPredicable = 1 in
1519 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1520 // should be sufficient.
1521 // FIXME: Is B really a Barrier? That doesn't seem right.
1522 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1523 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1525 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1526 def BR_JTr : ARMPseudoInst<(outs),
1527 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1529 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1530 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1531 // into i12 and rs suffixed versions.
1532 def BR_JTm : ARMPseudoInst<(outs),
1533 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1535 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1537 def BR_JTadd : ARMPseudoInst<(outs),
1538 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1540 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1542 } // isNotDuplicable = 1, isIndirectBranch = 1
1547 // BLX (immediate) -- for disassembly only
1548 def BLXi : AXI<(outs), (ins br_target:$target), BrMiscFrm, NoItinerary,
1549 "blx\t$target", [/* pattern left blank */]>,
1550 Requires<[IsARM, HasV5T]> {
1551 let Inst{31-25} = 0b1111101;
1553 let Inst{23-0} = target{24-1};
1554 let Inst{24} = target{0};
1557 // Branch and Exchange Jazelle
1558 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1559 [/* pattern left blank */]> {
1561 let Inst{23-20} = 0b0010;
1562 let Inst{19-8} = 0xfff;
1563 let Inst{7-4} = 0b0010;
1564 let Inst{3-0} = func;
1569 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1571 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1573 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1574 IIC_Br, []>, Requires<[IsDarwin]>;
1576 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1577 IIC_Br, []>, Requires<[IsDarwin]>;
1579 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
1581 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1582 Requires<[IsARM, IsDarwin]>;
1584 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1587 Requires<[IsARM, IsDarwin]>;
1591 // Non-Darwin versions (the difference is R9).
1592 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1594 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1595 IIC_Br, []>, Requires<[IsNotDarwin]>;
1597 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
1598 IIC_Br, []>, Requires<[IsNotDarwin]>;
1600 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
1602 (Bcc br_target:$dst, (ops 14, zero_reg))>,
1603 Requires<[IsARM, IsNotDarwin]>;
1605 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
1608 Requires<[IsARM, IsNotDarwin]>;
1616 // Secure Monitor Call is a system instruction -- for disassembly only
1617 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1618 [/* For disassembly only; pattern left blank */]> {
1620 let Inst{23-4} = 0b01100000000000000111;
1621 let Inst{3-0} = opt;
1624 // Supervisor Call (Software Interrupt) -- for disassembly only
1625 let isCall = 1, Uses = [SP] in {
1626 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1627 [/* For disassembly only; pattern left blank */]> {
1629 let Inst{23-0} = svc;
1633 // Store Return State is a system instruction -- for disassembly only
1634 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1635 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1636 NoItinerary, "srs${amode}\tsp!, $mode",
1637 [/* For disassembly only; pattern left blank */]> {
1638 let Inst{31-28} = 0b1111;
1639 let Inst{22-20} = 0b110; // W = 1
1640 let Inst{19-8} = 0xd05;
1641 let Inst{7-5} = 0b000;
1644 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1645 NoItinerary, "srs${amode}\tsp, $mode",
1646 [/* For disassembly only; pattern left blank */]> {
1647 let Inst{31-28} = 0b1111;
1648 let Inst{22-20} = 0b100; // W = 0
1649 let Inst{19-8} = 0xd05;
1650 let Inst{7-5} = 0b000;
1653 // Return From Exception is a system instruction -- for disassembly only
1654 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1655 NoItinerary, "rfe${amode}\t$base!",
1656 [/* For disassembly only; pattern left blank */]> {
1657 let Inst{31-28} = 0b1111;
1658 let Inst{22-20} = 0b011; // W = 1
1659 let Inst{15-0} = 0x0a00;
1662 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1663 NoItinerary, "rfe${amode}\t$base",
1664 [/* For disassembly only; pattern left blank */]> {
1665 let Inst{31-28} = 0b1111;
1666 let Inst{22-20} = 0b001; // W = 0
1667 let Inst{15-0} = 0x0a00;
1669 } // isCodeGenOnly = 1
1671 //===----------------------------------------------------------------------===//
1672 // Load / store Instructions.
1678 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1679 UnOpFrag<(load node:$Src)>>;
1680 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1681 UnOpFrag<(zextloadi8 node:$Src)>>;
1682 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1683 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1684 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1685 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1687 // Special LDR for loads from non-pc-relative constpools.
1688 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1689 isReMaterializable = 1 in
1690 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1691 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
1695 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1696 let Inst{19-16} = 0b1111;
1697 let Inst{15-12} = Rt;
1698 let Inst{11-0} = addr{11-0}; // imm12
1701 // Loads with zero extension
1702 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1703 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
1704 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
1706 // Loads with sign extension
1707 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1708 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
1709 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
1711 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
1712 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
1713 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
1715 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1717 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
1718 (ins addrmode3:$addr), LdMiscFrm,
1719 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
1720 []>, Requires<[IsARM, HasV5TE]>;
1724 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
1725 def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1726 (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
1727 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1729 // {13} 1 == Rm, 0 == imm12
1733 let Inst{25} = addr{13};
1734 let Inst{23} = addr{12};
1735 let Inst{19-16} = addr{17-14};
1736 let Inst{11-0} = addr{11-0};
1737 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1739 def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1740 (ins GPR:$Rn, am2offset:$offset),
1741 IndexModePost, LdFrm, itin,
1742 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1743 // {13} 1 == Rm, 0 == imm12
1748 let Inst{25} = offset{13};
1749 let Inst{23} = offset{12};
1750 let Inst{19-16} = Rn;
1751 let Inst{11-0} = offset{11-0};
1755 let mayLoad = 1, neverHasSideEffects = 1 in {
1756 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
1757 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
1760 multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
1761 def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
1762 (ins addrmode3:$addr), IndexModePre,
1764 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
1766 let Inst{23} = addr{8}; // U bit
1767 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1768 let Inst{19-16} = addr{12-9}; // Rn
1769 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1770 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1772 def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
1773 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1775 opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
1778 let Inst{23} = offset{8}; // U bit
1779 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1780 let Inst{19-16} = Rn;
1781 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1782 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1786 let mayLoad = 1, neverHasSideEffects = 1 in {
1787 defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
1788 defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
1789 defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
1790 let hasExtraDefRegAllocReq = 1 in {
1791 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1792 (ins addrmode3:$addr), IndexModePre,
1793 LdMiscFrm, IIC_iLoad_d_ru,
1794 "ldrd", "\t$Rt, $Rt2, $addr!",
1795 "$addr.base = $Rn_wb", []> {
1797 let Inst{23} = addr{8}; // U bit
1798 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
1799 let Inst{19-16} = addr{12-9}; // Rn
1800 let Inst{11-8} = addr{7-4}; // imm7_4/zero
1801 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
1803 def LDRD_POST: AI3ldstidx<0b1101, 0, 1, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
1804 (ins GPR:$Rn, am3offset:$offset), IndexModePost,
1805 LdMiscFrm, IIC_iLoad_d_ru,
1806 "ldrd", "\t$Rt, $Rt2, [$Rn], $offset",
1807 "$Rn = $Rn_wb", []> {
1810 let Inst{23} = offset{8}; // U bit
1811 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
1812 let Inst{19-16} = Rn;
1813 let Inst{11-8} = offset{7-4}; // imm7_4/zero
1814 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
1816 } // hasExtraDefRegAllocReq = 1
1817 } // mayLoad = 1, neverHasSideEffects = 1
1819 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1820 let mayLoad = 1, neverHasSideEffects = 1 in {
1821 def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$base_wb),
1822 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_ru,
1823 "ldrt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1825 // {13} 1 == Rm, 0 == imm12
1829 let Inst{25} = addr{13};
1830 let Inst{23} = addr{12};
1831 let Inst{21} = 1; // overwrite
1832 let Inst{19-16} = addr{17-14};
1833 let Inst{11-0} = addr{11-0};
1834 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1836 def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1837 (ins addrmode2:$addr), IndexModePost, LdFrm, IIC_iLoad_bh_ru,
1838 "ldrbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1840 // {13} 1 == Rm, 0 == imm12
1844 let Inst{25} = addr{13};
1845 let Inst{23} = addr{12};
1846 let Inst{21} = 1; // overwrite
1847 let Inst{19-16} = addr{17-14};
1848 let Inst{11-0} = addr{11-0};
1849 let AsmMatchConverter = "CvtLdWriteBackRegAddrMode2";
1851 def LDRSBT : AI3ldstidxT<0b1101, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1852 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1853 "ldrsbt", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1854 let Inst{21} = 1; // overwrite
1856 def LDRHT : AI3ldstidxT<0b1011, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1857 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1858 "ldrht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1859 let Inst{21} = 1; // overwrite
1861 def LDRSHT : AI3ldstidxT<0b1111, 1, 1, 0, (outs GPR:$Rt, GPR:$base_wb),
1862 (ins addrmode3:$addr), IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru,
1863 "ldrsht", "\t$Rt, $addr", "$addr.base = $base_wb", []> {
1864 let Inst{21} = 1; // overwrite
1870 // Stores with truncate
1871 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
1872 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
1873 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
1876 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1877 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
1878 StMiscFrm, IIC_iStore_d_r,
1879 "strd", "\t$Rt, $src2, $addr", []>, Requires<[IsARM, HasV5TE]>;
1882 def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
1883 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1884 IndexModePre, StFrm, IIC_iStore_ru,
1885 "str", "\t$Rt, [$Rn, $offset]!",
1886 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1888 (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1890 def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
1891 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1892 IndexModePost, StFrm, IIC_iStore_ru,
1893 "str", "\t$Rt, [$Rn], $offset",
1894 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1896 (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
1898 def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
1899 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1900 IndexModePre, StFrm, IIC_iStore_bh_ru,
1901 "strb", "\t$Rt, [$Rn, $offset]!",
1902 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1903 [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
1904 GPR:$Rn, am2offset:$offset))]>;
1905 def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
1906 (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
1907 IndexModePost, StFrm, IIC_iStore_bh_ru,
1908 "strb", "\t$Rt, [$Rn], $offset",
1909 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1910 [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
1911 GPR:$Rn, am2offset:$offset))]>;
1913 def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
1914 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1915 IndexModePre, StMiscFrm, IIC_iStore_ru,
1916 "strh", "\t$Rt, [$Rn, $offset]!",
1917 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1919 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
1921 def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
1922 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
1923 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
1924 "strh", "\t$Rt, [$Rn], $offset",
1925 "$Rn = $Rn_wb,@earlyclobber $Rn_wb",
1926 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
1927 GPR:$Rn, am3offset:$offset))]>;
1929 // For disassembly only
1930 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1931 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1932 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1933 StMiscFrm, IIC_iStore_d_ru,
1934 "strd", "\t$src1, $src2, [$base, $offset]!",
1935 "$base = $base_wb", []>;
1937 // For disassembly only
1938 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1939 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1940 StMiscFrm, IIC_iStore_d_ru,
1941 "strd", "\t$src1, $src2, [$base], $offset",
1942 "$base = $base_wb", []>;
1943 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
1945 // STRT, STRBT, and STRHT are for disassembly only.
1947 def STRT : AI2stridxT<0, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1948 IndexModePost, StFrm, IIC_iStore_ru,
1949 "strt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1950 [/* For disassembly only; pattern left blank */]> {
1951 let Inst{21} = 1; // overwrite
1952 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1955 def STRBT : AI2stridxT<1, 0, (outs GPR:$Rn_wb), (ins GPR:$Rt, addrmode2:$addr),
1956 IndexModePost, StFrm, IIC_iStore_bh_ru,
1957 "strbt", "\t$Rt, $addr", "$addr.base = $Rn_wb",
1958 [/* For disassembly only; pattern left blank */]> {
1959 let Inst{21} = 1; // overwrite
1960 let AsmMatchConverter = "CvtStWriteBackRegAddrMode2";
1963 def STRHT: AI3sthpo<(outs GPR:$base_wb), (ins GPR:$Rt, addrmode3:$addr),
1964 StMiscFrm, IIC_iStore_bh_ru,
1965 "strht", "\t$Rt, $addr", "$addr.base = $base_wb",
1966 [/* For disassembly only; pattern left blank */]> {
1967 let Inst{21} = 1; // overwrite
1968 let AsmMatchConverter = "CvtStWriteBackRegAddrMode3";
1971 //===----------------------------------------------------------------------===//
1972 // Load / store multiple Instructions.
1975 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
1976 InstrItinClass itin, InstrItinClass itin_upd> {
1977 // IA is the default, so no need for an explicit suffix on the
1978 // mnemonic here. Without it is the cannonical spelling.
1980 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1981 IndexModeNone, f, itin,
1982 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
1983 let Inst{24-23} = 0b01; // Increment After
1984 let Inst{21} = 0; // No writeback
1985 let Inst{20} = L_bit;
1988 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1989 IndexModeUpd, f, itin_upd,
1990 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
1991 let Inst{24-23} = 0b01; // Increment After
1992 let Inst{21} = 1; // Writeback
1993 let Inst{20} = L_bit;
1996 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
1997 IndexModeNone, f, itin,
1998 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
1999 let Inst{24-23} = 0b00; // Decrement After
2000 let Inst{21} = 0; // No writeback
2001 let Inst{20} = L_bit;
2004 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2005 IndexModeUpd, f, itin_upd,
2006 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2007 let Inst{24-23} = 0b00; // Decrement After
2008 let Inst{21} = 1; // Writeback
2009 let Inst{20} = L_bit;
2012 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2013 IndexModeNone, f, itin,
2014 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2015 let Inst{24-23} = 0b10; // Decrement Before
2016 let Inst{21} = 0; // No writeback
2017 let Inst{20} = L_bit;
2020 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2021 IndexModeUpd, f, itin_upd,
2022 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2023 let Inst{24-23} = 0b10; // Decrement Before
2024 let Inst{21} = 1; // Writeback
2025 let Inst{20} = L_bit;
2028 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2029 IndexModeNone, f, itin,
2030 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2031 let Inst{24-23} = 0b11; // Increment Before
2032 let Inst{21} = 0; // No writeback
2033 let Inst{20} = L_bit;
2036 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2037 IndexModeUpd, f, itin_upd,
2038 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2039 let Inst{24-23} = 0b11; // Increment Before
2040 let Inst{21} = 1; // Writeback
2041 let Inst{20} = L_bit;
2045 let neverHasSideEffects = 1 in {
2047 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2048 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2050 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2051 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2053 } // neverHasSideEffects
2055 // FIXME: remove when we have a way to marking a MI with these properties.
2056 // FIXME: Should pc be an implicit operand like PICADD, etc?
2057 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2058 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2059 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2060 reglist:$regs, variable_ops),
2061 4, IIC_iLoad_mBr, [],
2062 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2063 RegConstraint<"$Rn = $wb">;
2065 //===----------------------------------------------------------------------===//
2066 // Move Instructions.
2069 let neverHasSideEffects = 1 in
2070 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2071 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2075 let Inst{19-16} = 0b0000;
2076 let Inst{11-4} = 0b00000000;
2079 let Inst{15-12} = Rd;
2082 // A version for the smaller set of tail call registers.
2083 let neverHasSideEffects = 1 in
2084 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2085 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2089 let Inst{11-4} = 0b00000000;
2092 let Inst{15-12} = Rd;
2095 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
2096 DPSoRegFrm, IIC_iMOVsr,
2097 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
2101 let Inst{15-12} = Rd;
2102 let Inst{19-16} = 0b0000;
2103 let Inst{11-0} = src;
2107 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2108 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2109 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2113 let Inst{15-12} = Rd;
2114 let Inst{19-16} = 0b0000;
2115 let Inst{11-0} = imm;
2118 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2119 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
2121 "movw", "\t$Rd, $imm",
2122 [(set GPR:$Rd, imm0_65535:$imm)]>,
2123 Requires<[IsARM, HasV6T2]>, UnaryDP {
2126 let Inst{15-12} = Rd;
2127 let Inst{11-0} = imm{11-0};
2128 let Inst{19-16} = imm{15-12};
2133 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2134 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2136 let Constraints = "$src = $Rd" in {
2137 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
2139 "movt", "\t$Rd, $imm",
2141 (or (and GPR:$src, 0xffff),
2142 lo16AllZero:$imm))]>, UnaryDP,
2143 Requires<[IsARM, HasV6T2]> {
2146 let Inst{15-12} = Rd;
2147 let Inst{11-0} = imm{11-0};
2148 let Inst{19-16} = imm{15-12};
2153 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2154 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2158 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2159 Requires<[IsARM, HasV6T2]>;
2161 let Uses = [CPSR] in
2162 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2163 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2166 // These aren't really mov instructions, but we have to define them this way
2167 // due to flag operands.
2169 let Defs = [CPSR] in {
2170 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2171 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2173 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2174 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2178 //===----------------------------------------------------------------------===//
2179 // Extend Instructions.
2184 defm SXTB : AI_ext_rrot<0b01101010,
2185 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2186 defm SXTH : AI_ext_rrot<0b01101011,
2187 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2189 defm SXTAB : AI_exta_rrot<0b01101010,
2190 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2191 defm SXTAH : AI_exta_rrot<0b01101011,
2192 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2194 // For disassembly only
2195 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2197 // For disassembly only
2198 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2202 let AddedComplexity = 16 in {
2203 defm UXTB : AI_ext_rrot<0b01101110,
2204 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2205 defm UXTH : AI_ext_rrot<0b01101111,
2206 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2207 defm UXTB16 : AI_ext_rrot<0b01101100,
2208 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2210 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2211 // The transformation should probably be done as a combiner action
2212 // instead so we can include a check for masking back in the upper
2213 // eight bits of the source into the lower eight bits of the result.
2214 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
2215 // (UXTB16r_rot GPR:$Src, 24)>;
2216 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
2217 (UXTB16r_rot GPR:$Src, 8)>;
2219 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
2220 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
2221 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
2222 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
2225 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
2226 // For disassembly only
2227 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
2230 def SBFX : I<(outs GPR:$Rd),
2231 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2232 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2233 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2234 Requires<[IsARM, HasV6T2]> {
2239 let Inst{27-21} = 0b0111101;
2240 let Inst{6-4} = 0b101;
2241 let Inst{20-16} = width;
2242 let Inst{15-12} = Rd;
2243 let Inst{11-7} = lsb;
2247 def UBFX : I<(outs GPR:$Rd),
2248 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
2249 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2250 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
2251 Requires<[IsARM, HasV6T2]> {
2256 let Inst{27-21} = 0b0111111;
2257 let Inst{6-4} = 0b101;
2258 let Inst{20-16} = width;
2259 let Inst{15-12} = Rd;
2260 let Inst{11-7} = lsb;
2264 //===----------------------------------------------------------------------===//
2265 // Arithmetic Instructions.
2268 defm ADD : AsI1_bin_irs<0b0100, "add",
2269 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2270 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
2271 defm SUB : AsI1_bin_irs<0b0010, "sub",
2272 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2273 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
2275 // ADD and SUB with 's' bit set.
2276 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
2277 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2278 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
2279 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
2280 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
2281 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
2283 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
2284 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>,
2286 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
2287 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>,
2290 // ADC and SUBC with 's' bit set.
2291 let usesCustomInserter = 1 in {
2292 defm ADCS : AI1_adde_sube_s_irs<
2293 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
2294 defm SBCS : AI1_adde_sube_s_irs<
2295 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
2298 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2299 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
2300 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
2305 let Inst{15-12} = Rd;
2306 let Inst{19-16} = Rn;
2307 let Inst{11-0} = imm;
2310 // The reg/reg form is only defined for the disassembler; for codegen it is
2311 // equivalent to SUBrr.
2312 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
2313 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
2314 [/* For disassembly only; pattern left blank */]> {
2318 let Inst{11-4} = 0b00000000;
2321 let Inst{15-12} = Rd;
2322 let Inst{19-16} = Rn;
2325 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2326 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
2327 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
2332 let Inst{11-0} = shift;
2333 let Inst{15-12} = Rd;
2334 let Inst{19-16} = Rn;
2337 // RSB with 's' bit set.
2338 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2339 let usesCustomInserter = 1 in {
2340 def RSBSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2342 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]>;
2343 def RSBSrr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2345 [/* For disassembly only; pattern left blank */]>;
2346 def RSBSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2348 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]>;
2351 let Uses = [CPSR] in {
2352 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2353 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2354 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2360 let Inst{15-12} = Rd;
2361 let Inst{19-16} = Rn;
2362 let Inst{11-0} = imm;
2364 // The reg/reg form is only defined for the disassembler; for codegen it is
2365 // equivalent to SUBrr.
2366 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2367 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2368 [/* For disassembly only; pattern left blank */]> {
2372 let Inst{11-4} = 0b00000000;
2375 let Inst{15-12} = Rd;
2376 let Inst{19-16} = Rn;
2378 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2379 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2380 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2386 let Inst{11-0} = shift;
2387 let Inst{15-12} = Rd;
2388 let Inst{19-16} = Rn;
2392 // NOTE: CPSR def omitted because it will be handled by the custom inserter.
2393 let usesCustomInserter = 1, Uses = [CPSR] in {
2394 def RSCSri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2396 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>;
2397 def RSCSrs : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2399 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>;
2402 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2403 // The assume-no-carry-in form uses the negation of the input since add/sub
2404 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2405 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2407 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2408 (SUBri GPR:$src, so_imm_neg:$imm)>;
2409 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2410 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2411 // The with-carry-in form matches bitwise not instead of the negation.
2412 // Effectively, the inverse interpretation of the carry flag already accounts
2413 // for part of the negation.
2414 def : ARMPat<(adde_dead_carry GPR:$src, so_imm_not:$imm),
2415 (SBCri GPR:$src, so_imm_not:$imm)>;
2416 def : ARMPat<(adde_live_carry GPR:$src, so_imm_not:$imm),
2417 (SBCSri GPR:$src, so_imm_not:$imm)>;
2419 // Note: These are implemented in C++ code, because they have to generate
2420 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2422 // (mul X, 2^n+1) -> (add (X << n), X)
2423 // (mul X, 2^n-1) -> (rsb X, (X << n))
2425 // ARM Arithmetic Instruction -- for disassembly only
2426 // GPR:$dst = GPR:$a op GPR:$b
2427 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2428 list<dag> pattern = [/* For disassembly only; pattern left blank */],
2429 dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
2430 : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
2434 let Inst{27-20} = op27_20;
2435 let Inst{11-4} = op11_4;
2436 let Inst{19-16} = Rn;
2437 let Inst{15-12} = Rd;
2441 // Saturating add/subtract -- for disassembly only
2443 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2444 [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
2445 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2446 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2447 [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
2448 (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
2449 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
2451 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
2454 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2455 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2456 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2457 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2458 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2459 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2460 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2461 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2462 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2463 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2464 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2465 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2467 // Signed/Unsigned add/subtract -- for disassembly only
2469 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2470 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2471 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2472 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2473 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2474 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2475 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2476 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2477 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2478 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2479 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2480 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2482 // Signed/Unsigned halving add/subtract -- for disassembly only
2484 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2485 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2486 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2487 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2488 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2489 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2490 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2491 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2492 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2493 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2494 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2495 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2497 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2499 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2500 MulFrm /* for convenience */, NoItinerary, "usad8",
2501 "\t$Rd, $Rn, $Rm", []>,
2502 Requires<[IsARM, HasV6]> {
2506 let Inst{27-20} = 0b01111000;
2507 let Inst{15-12} = 0b1111;
2508 let Inst{7-4} = 0b0001;
2509 let Inst{19-16} = Rd;
2510 let Inst{11-8} = Rm;
2513 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2514 MulFrm /* for convenience */, NoItinerary, "usada8",
2515 "\t$Rd, $Rn, $Rm, $Ra", []>,
2516 Requires<[IsARM, HasV6]> {
2521 let Inst{27-20} = 0b01111000;
2522 let Inst{7-4} = 0b0001;
2523 let Inst{19-16} = Rd;
2524 let Inst{15-12} = Ra;
2525 let Inst{11-8} = Rm;
2529 // Signed/Unsigned saturate -- for disassembly only
2531 def SSAT : AI<(outs GPR:$Rd), (ins ssat_imm:$sat_imm, GPR:$a, shift_imm:$sh),
2532 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2533 [/* For disassembly only; pattern left blank */]> {
2538 let Inst{27-21} = 0b0110101;
2539 let Inst{5-4} = 0b01;
2540 let Inst{20-16} = sat_imm;
2541 let Inst{15-12} = Rd;
2542 let Inst{11-7} = sh{7-3};
2543 let Inst{6} = sh{0};
2547 def SSAT16 : AI<(outs GPR:$Rd), (ins ssat_imm:$sat_imm, GPR:$Rn), SatFrm,
2548 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2549 [/* For disassembly only; pattern left blank */]> {
2553 let Inst{27-20} = 0b01101010;
2554 let Inst{11-4} = 0b11110011;
2555 let Inst{15-12} = Rd;
2556 let Inst{19-16} = sat_imm;
2560 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2561 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2562 [/* For disassembly only; pattern left blank */]> {
2567 let Inst{27-21} = 0b0110111;
2568 let Inst{5-4} = 0b01;
2569 let Inst{15-12} = Rd;
2570 let Inst{11-7} = sh{7-3};
2571 let Inst{6} = sh{0};
2572 let Inst{20-16} = sat_imm;
2576 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2577 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2578 [/* For disassembly only; pattern left blank */]> {
2582 let Inst{27-20} = 0b01101110;
2583 let Inst{11-4} = 0b11110011;
2584 let Inst{15-12} = Rd;
2585 let Inst{19-16} = sat_imm;
2589 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2590 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2592 //===----------------------------------------------------------------------===//
2593 // Bitwise Instructions.
2596 defm AND : AsI1_bin_irs<0b0000, "and",
2597 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2598 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
2599 defm ORR : AsI1_bin_irs<0b1100, "orr",
2600 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2601 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
2602 defm EOR : AsI1_bin_irs<0b0001, "eor",
2603 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2604 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
2605 defm BIC : AsI1_bin_irs<0b1110, "bic",
2606 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2607 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
2609 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2610 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2611 "bfc", "\t$Rd, $imm", "$src = $Rd",
2612 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2613 Requires<[IsARM, HasV6T2]> {
2616 let Inst{27-21} = 0b0111110;
2617 let Inst{6-0} = 0b0011111;
2618 let Inst{15-12} = Rd;
2619 let Inst{11-7} = imm{4-0}; // lsb
2620 let Inst{20-16} = imm{9-5}; // width
2623 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2624 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2625 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2626 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2627 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2628 bf_inv_mask_imm:$imm))]>,
2629 Requires<[IsARM, HasV6T2]> {
2633 let Inst{27-21} = 0b0111110;
2634 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2635 let Inst{15-12} = Rd;
2636 let Inst{11-7} = imm{4-0}; // lsb
2637 let Inst{20-16} = imm{9-5}; // width
2641 // GNU as only supports this form of bfi (w/ 4 arguments)
2642 let isAsmParserOnly = 1 in
2643 def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
2644 lsb_pos_imm:$lsb, width_imm:$width),
2645 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
2646 "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
2647 []>, Requires<[IsARM, HasV6T2]> {
2652 let Inst{27-21} = 0b0111110;
2653 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2654 let Inst{15-12} = Rd;
2655 let Inst{11-7} = lsb;
2656 let Inst{20-16} = width; // Custom encoder => lsb+width-1
2660 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2661 "mvn", "\t$Rd, $Rm",
2662 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2666 let Inst{19-16} = 0b0000;
2667 let Inst{11-4} = 0b00000000;
2668 let Inst{15-12} = Rd;
2671 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2672 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2673 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2677 let Inst{19-16} = 0b0000;
2678 let Inst{15-12} = Rd;
2679 let Inst{11-0} = shift;
2681 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2682 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2683 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2684 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2688 let Inst{19-16} = 0b0000;
2689 let Inst{15-12} = Rd;
2690 let Inst{11-0} = imm;
2693 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2694 (BICri GPR:$src, so_imm_not:$imm)>;
2696 //===----------------------------------------------------------------------===//
2697 // Multiply Instructions.
2699 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2700 string opc, string asm, list<dag> pattern>
2701 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2705 let Inst{19-16} = Rd;
2706 let Inst{11-8} = Rm;
2709 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2710 string opc, string asm, list<dag> pattern>
2711 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2716 let Inst{19-16} = RdHi;
2717 let Inst{15-12} = RdLo;
2718 let Inst{11-8} = Rm;
2722 // FIXME: The v5 pseudos are only necessary for the additional Constraint
2723 // property. Remove them when it's possible to add those properties
2724 // on an individual MachineInstr, not just an instuction description.
2725 let isCommutable = 1 in {
2726 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2727 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2728 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
2729 Requires<[IsARM, HasV6]> {
2730 let Inst{15-12} = 0b0000;
2733 let Constraints = "@earlyclobber $Rd" in
2734 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
2735 pred:$p, cc_out:$s),
2737 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
2738 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2739 Requires<[IsARM, NoV6]>;
2742 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2743 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2744 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2745 Requires<[IsARM, HasV6]> {
2747 let Inst{15-12} = Ra;
2750 let Constraints = "@earlyclobber $Rd" in
2751 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
2752 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
2754 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
2755 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
2756 Requires<[IsARM, NoV6]>;
2758 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2759 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
2760 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
2761 Requires<[IsARM, HasV6T2]> {
2766 let Inst{19-16} = Rd;
2767 let Inst{15-12} = Ra;
2768 let Inst{11-8} = Rm;
2772 // Extra precision multiplies with low / high results
2773 let neverHasSideEffects = 1 in {
2774 let isCommutable = 1 in {
2775 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2776 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2777 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2778 Requires<[IsARM, HasV6]>;
2780 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2781 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2782 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2783 Requires<[IsARM, HasV6]>;
2785 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2786 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2787 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2789 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2790 Requires<[IsARM, NoV6]>;
2792 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2793 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2795 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2796 Requires<[IsARM, NoV6]>;
2800 // Multiply + accumulate
2801 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2802 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2803 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2804 Requires<[IsARM, HasV6]>;
2805 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2806 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2807 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2808 Requires<[IsARM, HasV6]>;
2810 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2811 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2812 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2813 Requires<[IsARM, HasV6]> {
2818 let Inst{19-16} = RdLo;
2819 let Inst{15-12} = RdHi;
2820 let Inst{11-8} = Rm;
2824 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
2825 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2826 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2828 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2829 Requires<[IsARM, NoV6]>;
2830 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2831 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
2833 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
2834 Requires<[IsARM, NoV6]>;
2835 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
2836 (ins GPR:$Rn, GPR:$Rm, pred:$p),
2838 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
2839 Requires<[IsARM, NoV6]>;
2842 } // neverHasSideEffects
2844 // Most significant word multiply
2845 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2846 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2847 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2848 Requires<[IsARM, HasV6]> {
2849 let Inst{15-12} = 0b1111;
2852 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2853 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2854 [/* For disassembly only; pattern left blank */]>,
2855 Requires<[IsARM, HasV6]> {
2856 let Inst{15-12} = 0b1111;
2859 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2860 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2861 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2862 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2863 Requires<[IsARM, HasV6]>;
2865 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2866 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2867 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2868 [/* For disassembly only; pattern left blank */]>,
2869 Requires<[IsARM, HasV6]>;
2871 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2872 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2873 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2874 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2875 Requires<[IsARM, HasV6]>;
2877 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2878 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2879 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2880 [/* For disassembly only; pattern left blank */]>,
2881 Requires<[IsARM, HasV6]>;
2883 multiclass AI_smul<string opc, PatFrag opnode> {
2884 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2885 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2886 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2887 (sext_inreg GPR:$Rm, i16)))]>,
2888 Requires<[IsARM, HasV5TE]>;
2890 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2891 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2892 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2893 (sra GPR:$Rm, (i32 16))))]>,
2894 Requires<[IsARM, HasV5TE]>;
2896 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2897 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2898 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2899 (sext_inreg GPR:$Rm, i16)))]>,
2900 Requires<[IsARM, HasV5TE]>;
2902 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2903 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2904 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2905 (sra GPR:$Rm, (i32 16))))]>,
2906 Requires<[IsARM, HasV5TE]>;
2908 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2909 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2910 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2911 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2912 Requires<[IsARM, HasV5TE]>;
2914 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2915 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2916 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2917 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2918 Requires<[IsARM, HasV5TE]>;
2922 multiclass AI_smla<string opc, PatFrag opnode> {
2923 def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
2924 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2925 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2926 [(set GPR:$Rd, (add GPR:$Ra,
2927 (opnode (sext_inreg GPR:$Rn, i16),
2928 (sext_inreg GPR:$Rm, i16))))]>,
2929 Requires<[IsARM, HasV5TE]>;
2931 def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
2932 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2933 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2934 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2935 (sra GPR:$Rm, (i32 16)))))]>,
2936 Requires<[IsARM, HasV5TE]>;
2938 def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
2939 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2940 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2941 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2942 (sext_inreg GPR:$Rm, i16))))]>,
2943 Requires<[IsARM, HasV5TE]>;
2945 def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
2946 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2947 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2948 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2949 (sra GPR:$Rm, (i32 16)))))]>,
2950 Requires<[IsARM, HasV5TE]>;
2952 def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
2953 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2954 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2955 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2956 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2957 Requires<[IsARM, HasV5TE]>;
2959 def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
2960 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2961 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2962 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2963 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2964 Requires<[IsARM, HasV5TE]>;
2967 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2968 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2970 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2971 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2972 (ins GPR:$Rn, GPR:$Rm),
2973 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2974 [/* For disassembly only; pattern left blank */]>,
2975 Requires<[IsARM, HasV5TE]>;
2977 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2978 (ins GPR:$Rn, GPR:$Rm),
2979 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2980 [/* For disassembly only; pattern left blank */]>,
2981 Requires<[IsARM, HasV5TE]>;
2983 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2984 (ins GPR:$Rn, GPR:$Rm),
2985 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2986 [/* For disassembly only; pattern left blank */]>,
2987 Requires<[IsARM, HasV5TE]>;
2989 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2990 (ins GPR:$Rn, GPR:$Rm),
2991 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2992 [/* For disassembly only; pattern left blank */]>,
2993 Requires<[IsARM, HasV5TE]>;
2995 // Helper class for AI_smld -- for disassembly only
2996 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2997 InstrItinClass itin, string opc, string asm>
2998 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3005 let Inst{21-20} = 0b00;
3006 let Inst{22} = long;
3007 let Inst{27-23} = 0b01110;
3008 let Inst{11-8} = Rm;
3011 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3012 InstrItinClass itin, string opc, string asm>
3013 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3015 let Inst{15-12} = 0b1111;
3016 let Inst{19-16} = Rd;
3018 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3019 InstrItinClass itin, string opc, string asm>
3020 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3022 let Inst{15-12} = Ra;
3024 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3025 InstrItinClass itin, string opc, string asm>
3026 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3029 let Inst{19-16} = RdHi;
3030 let Inst{15-12} = RdLo;
3033 multiclass AI_smld<bit sub, string opc> {
3035 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3036 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3038 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3039 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3041 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
3042 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3043 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3045 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
3046 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
3047 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3051 defm SMLA : AI_smld<0, "smla">;
3052 defm SMLS : AI_smld<1, "smls">;
3054 multiclass AI_sdml<bit sub, string opc> {
3056 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3057 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3058 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3059 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3062 defm SMUA : AI_sdml<0, "smua">;
3063 defm SMUS : AI_sdml<1, "smus">;
3065 //===----------------------------------------------------------------------===//
3066 // Misc. Arithmetic Instructions.
3069 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3070 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3071 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3073 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3074 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3075 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3076 Requires<[IsARM, HasV6T2]>;
3078 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3079 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3080 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3082 let AddedComplexity = 5 in
3083 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3084 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3085 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3086 Requires<[IsARM, HasV6]>;
3088 let AddedComplexity = 5 in
3089 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3090 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3091 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3092 Requires<[IsARM, HasV6]>;
3094 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3095 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3098 def lsl_shift_imm : SDNodeXForm<imm, [{
3099 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
3100 return CurDAG->getTargetConstant(Sh, MVT::i32);
3103 def lsl_amt : ImmLeaf<i32, [{
3104 return Imm > 0 && Imm < 32;
3107 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
3108 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3109 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3110 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
3111 (and (shl GPR:$Rm, lsl_amt:$sh),
3113 Requires<[IsARM, HasV6]>;
3115 // Alternate cases for PKHBT where identities eliminate some nodes.
3116 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
3117 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
3118 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
3119 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
3121 def asr_shift_imm : SDNodeXForm<imm, [{
3122 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
3123 return CurDAG->getTargetConstant(Sh, MVT::i32);
3126 def asr_amt : ImmLeaf<i32, [{
3127 return Imm > 0 && Imm <= 32;
3130 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3131 // will match the pattern below.
3132 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
3133 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
3134 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3135 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
3136 (and (sra GPR:$Rm, asr_amt:$sh),
3138 Requires<[IsARM, HasV6]>;
3140 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3141 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3142 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
3143 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
3144 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
3145 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
3146 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
3148 //===----------------------------------------------------------------------===//
3149 // Comparison Instructions...
3152 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3153 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3154 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3156 // ARMcmpZ can re-use the above instruction definitions.
3157 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3158 (CMPri GPR:$src, so_imm:$imm)>;
3159 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3160 (CMPrr GPR:$src, GPR:$rhs)>;
3161 def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
3162 (CMPrs GPR:$src, so_reg:$rhs)>;
3164 // FIXME: We have to be careful when using the CMN instruction and comparison
3165 // with 0. One would expect these two pieces of code should give identical
3181 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3182 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3183 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3184 // value of r0 and the carry bit (because the "carry bit" parameter to
3185 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3186 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3187 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3188 // parameter to AddWithCarry is defined as 0).
3190 // When x is 0 and unsigned:
3194 // ~x + 1 = 0x1 0000 0000
3195 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3197 // Therefore, we should disable CMN when comparing against zero, until we can
3198 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3199 // when it's a comparison which doesn't look at the 'carry' flag).
3201 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3203 // This is related to <rdar://problem/7569620>.
3205 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3206 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3208 // Note that TST/TEQ don't set all the same flags that CMP does!
3209 defm TST : AI1_cmp_irs<0b1000, "tst",
3210 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3211 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3212 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3213 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3214 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3216 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3217 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3218 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3220 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3221 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3223 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3224 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3226 // Pseudo i64 compares for some floating point compares.
3227 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3229 def BCCi64 : PseudoInst<(outs),
3230 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3232 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3234 def BCCZi64 : PseudoInst<(outs),
3235 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3236 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3237 } // usesCustomInserter
3240 // Conditional moves
3241 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3242 // a two-value operand where a dag node expects two operands. :(
3243 let neverHasSideEffects = 1 in {
3244 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3246 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3247 RegConstraint<"$false = $Rd">;
3248 def MOVCCs : ARMPseudoInst<(outs GPR:$Rd),
3249 (ins GPR:$false, so_reg:$shift, pred:$p),
3251 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
3252 RegConstraint<"$false = $Rd">;
3254 let isMoveImm = 1 in
3255 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3256 (ins GPR:$false, i32imm_hilo16:$imm, pred:$p),
3259 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3261 let isMoveImm = 1 in
3262 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3263 (ins GPR:$false, so_imm:$imm, pred:$p),
3265 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3266 RegConstraint<"$false = $Rd">;
3268 // Two instruction predicate mov immediate.
3269 let isMoveImm = 1 in
3270 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3271 (ins GPR:$false, i32imm:$src, pred:$p),
3272 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3274 let isMoveImm = 1 in
3275 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3276 (ins GPR:$false, so_imm:$imm, pred:$p),
3278 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3279 RegConstraint<"$false = $Rd">;
3280 } // neverHasSideEffects
3282 //===----------------------------------------------------------------------===//
3283 // Atomic operations intrinsics
3286 def memb_opt : Operand<i32> {
3287 let PrintMethod = "printMemBOption";
3288 let ParserMatchClass = MemBarrierOptOperand;
3291 // memory barriers protect the atomic sequences
3292 let hasSideEffects = 1 in {
3293 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3294 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3295 Requires<[IsARM, HasDB]> {
3297 let Inst{31-4} = 0xf57ff05;
3298 let Inst{3-0} = opt;
3302 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3303 "dsb", "\t$opt", []>,
3304 Requires<[IsARM, HasDB]> {
3306 let Inst{31-4} = 0xf57ff04;
3307 let Inst{3-0} = opt;
3310 // ISB has only full system option
3311 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3312 "isb", "\t$opt", []>,
3313 Requires<[IsARM, HasDB]> {
3315 let Inst{31-4} = 0xf57ff06;
3316 let Inst{3-0} = opt;
3319 let usesCustomInserter = 1 in {
3320 let Uses = [CPSR] in {
3321 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
3322 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3323 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
3324 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
3325 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3326 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
3327 def ATOMIC_LOAD_AND_I8 : PseudoInst<
3328 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3329 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
3330 def ATOMIC_LOAD_OR_I8 : PseudoInst<
3331 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3332 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
3333 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
3334 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3335 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
3336 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
3337 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3338 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
3339 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
3340 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3341 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3342 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
3343 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3344 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3345 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
3346 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3347 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
3348 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
3349 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3350 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
3351 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
3352 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3353 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
3354 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
3355 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3356 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
3357 def ATOMIC_LOAD_AND_I16 : PseudoInst<
3358 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3359 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
3360 def ATOMIC_LOAD_OR_I16 : PseudoInst<
3361 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3362 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
3363 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
3364 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3365 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
3366 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
3367 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3368 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
3369 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
3370 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3371 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3372 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
3373 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3374 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3375 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
3376 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3377 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
3378 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
3379 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3380 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
3381 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
3382 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3383 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
3384 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
3385 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3386 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
3387 def ATOMIC_LOAD_AND_I32 : PseudoInst<
3388 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3389 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3390 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3391 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3392 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3393 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3394 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3395 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3396 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3397 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
3398 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3399 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
3400 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3401 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3402 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
3403 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3404 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3405 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
3406 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3407 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
3408 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
3409 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
3410 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
3412 def ATOMIC_SWAP_I8 : PseudoInst<
3413 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3414 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3415 def ATOMIC_SWAP_I16 : PseudoInst<
3416 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3417 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3418 def ATOMIC_SWAP_I32 : PseudoInst<
3419 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
3420 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3422 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3423 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3424 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3425 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3426 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3427 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3428 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3429 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
3430 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3434 let mayLoad = 1 in {
3435 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3436 "ldrexb", "\t$Rt, $addr", []>;
3437 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3438 "ldrexh", "\t$Rt, $addr", []>;
3439 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addrmode7:$addr), NoItinerary,
3440 "ldrex", "\t$Rt, $addr", []>;
3441 let hasExtraDefRegAllocReq = 1 in
3442 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode7:$addr),
3443 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []>;
3446 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3447 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3448 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
3449 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3450 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
3451 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addrmode7:$addr),
3452 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
3455 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
3456 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3457 (ins GPR:$Rt, GPR:$Rt2, addrmode7:$addr),
3458 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []>;
3460 // Clear-Exclusive is for disassembly only.
3461 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3462 [/* For disassembly only; pattern left blank */]>,
3463 Requires<[IsARM, HasV7]> {
3464 let Inst{31-0} = 0b11110101011111111111000000011111;
3467 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3468 let mayLoad = 1 in {
3469 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3470 [/* For disassembly only; pattern left blank */]>;
3471 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3472 [/* For disassembly only; pattern left blank */]>;
3475 //===----------------------------------------------------------------------===//
3476 // Coprocessor Instructions.
3479 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3480 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3481 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3482 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3483 imm:$CRm, imm:$opc2)]> {
3491 let Inst{3-0} = CRm;
3493 let Inst{7-5} = opc2;
3494 let Inst{11-8} = cop;
3495 let Inst{15-12} = CRd;
3496 let Inst{19-16} = CRn;
3497 let Inst{23-20} = opc1;
3500 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
3501 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
3502 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
3503 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
3504 imm:$CRm, imm:$opc2)]> {
3505 let Inst{31-28} = 0b1111;
3513 let Inst{3-0} = CRm;
3515 let Inst{7-5} = opc2;
3516 let Inst{11-8} = cop;
3517 let Inst{15-12} = CRd;
3518 let Inst{19-16} = CRn;
3519 let Inst{23-20} = opc1;
3522 class ACI<dag oops, dag iops, string opc, string asm,
3523 IndexMode im = IndexModeNone>
3524 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
3525 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3526 let Inst{27-25} = 0b110;
3529 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
3531 def _OFFSET : ACI<(outs),
3532 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3533 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
3534 let Inst{31-28} = op31_28;
3535 let Inst{24} = 1; // P = 1
3536 let Inst{21} = 0; // W = 0
3537 let Inst{22} = 0; // D = 0
3538 let Inst{20} = load;
3541 def _PRE : ACI<(outs),
3542 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3543 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
3544 let Inst{31-28} = op31_28;
3545 let Inst{24} = 1; // P = 1
3546 let Inst{21} = 1; // W = 1
3547 let Inst{22} = 0; // D = 0
3548 let Inst{20} = load;
3551 def _POST : ACI<(outs),
3552 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3553 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
3554 let Inst{31-28} = op31_28;
3555 let Inst{24} = 0; // P = 0
3556 let Inst{21} = 1; // W = 1
3557 let Inst{22} = 0; // D = 0
3558 let Inst{20} = load;
3561 def _OPTION : ACI<(outs),
3562 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
3564 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3565 let Inst{31-28} = op31_28;
3566 let Inst{24} = 0; // P = 0
3567 let Inst{23} = 1; // U = 1
3568 let Inst{21} = 0; // W = 0
3569 let Inst{22} = 0; // D = 0
3570 let Inst{20} = load;
3573 def L_OFFSET : ACI<(outs),
3574 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3575 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
3576 let Inst{31-28} = op31_28;
3577 let Inst{24} = 1; // P = 1
3578 let Inst{21} = 0; // W = 0
3579 let Inst{22} = 1; // D = 1
3580 let Inst{20} = load;
3583 def L_PRE : ACI<(outs),
3584 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3585 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
3587 let Inst{31-28} = op31_28;
3588 let Inst{24} = 1; // P = 1
3589 let Inst{21} = 1; // W = 1
3590 let Inst{22} = 1; // D = 1
3591 let Inst{20} = load;
3594 def L_POST : ACI<(outs),
3595 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
3596 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr",
3598 let Inst{31-28} = op31_28;
3599 let Inst{24} = 0; // P = 0
3600 let Inst{21} = 1; // W = 1
3601 let Inst{22} = 1; // D = 1
3602 let Inst{20} = load;
3605 def L_OPTION : ACI<(outs),
3606 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
3608 !strconcat(!strconcat(opc, "l"), cond),
3609 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
3610 let Inst{31-28} = op31_28;
3611 let Inst{24} = 0; // P = 0
3612 let Inst{23} = 1; // U = 1
3613 let Inst{21} = 0; // W = 0
3614 let Inst{22} = 1; // D = 1
3615 let Inst{20} = load;
3619 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
3620 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
3621 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
3622 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
3624 //===----------------------------------------------------------------------===//
3625 // Move between coprocessor and ARM core register -- for disassembly only
3628 class MovRCopro<string opc, bit direction, dag oops, dag iops,
3630 : ABI<0b1110, oops, iops, NoItinerary, opc,
3631 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
3632 let Inst{20} = direction;
3642 let Inst{15-12} = Rt;
3643 let Inst{11-8} = cop;
3644 let Inst{23-21} = opc1;
3645 let Inst{7-5} = opc2;
3646 let Inst{3-0} = CRm;
3647 let Inst{19-16} = CRn;
3650 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
3652 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3653 c_imm:$CRm, i32imm:$opc2),
3654 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3655 imm:$CRm, imm:$opc2)]>;
3656 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
3658 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3661 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
3662 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3664 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
3666 : ABXI<0b1110, oops, iops, NoItinerary,
3667 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
3668 let Inst{31-28} = 0b1111;
3669 let Inst{20} = direction;
3679 let Inst{15-12} = Rt;
3680 let Inst{11-8} = cop;
3681 let Inst{23-21} = opc1;
3682 let Inst{7-5} = opc2;
3683 let Inst{3-0} = CRm;
3684 let Inst{19-16} = CRn;
3687 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
3689 (ins p_imm:$cop, i32imm:$opc1, GPR:$Rt, c_imm:$CRn,
3690 c_imm:$CRm, i32imm:$opc2),
3691 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
3692 imm:$CRm, imm:$opc2)]>;
3693 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
3695 (ins p_imm:$cop, i32imm:$opc1, c_imm:$CRn, c_imm:$CRm,
3698 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
3699 imm:$CRm, imm:$opc2),
3700 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
3702 class MovRRCopro<string opc, bit direction,
3703 list<dag> pattern = [/* For disassembly only */]>
3704 : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3705 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
3706 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
3707 let Inst{23-21} = 0b010;
3708 let Inst{20} = direction;
3716 let Inst{15-12} = Rt;
3717 let Inst{19-16} = Rt2;
3718 let Inst{11-8} = cop;
3719 let Inst{7-4} = opc1;
3720 let Inst{3-0} = CRm;
3723 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
3724 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3726 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
3728 class MovRRCopro2<string opc, bit direction,
3729 list<dag> pattern = [/* For disassembly only */]>
3730 : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
3731 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
3732 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
3733 let Inst{31-28} = 0b1111;
3734 let Inst{23-21} = 0b010;
3735 let Inst{20} = direction;
3743 let Inst{15-12} = Rt;
3744 let Inst{19-16} = Rt2;
3745 let Inst{11-8} = cop;
3746 let Inst{7-4} = opc1;
3747 let Inst{3-0} = CRm;
3750 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
3751 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
3753 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
3755 //===----------------------------------------------------------------------===//
3756 // Move between special register and ARM core register -- for disassembly only
3759 // Move to ARM core register from Special Register
3760 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
3761 [/* For disassembly only; pattern left blank */]> {
3763 let Inst{23-16} = 0b00001111;
3764 let Inst{15-12} = Rd;
3765 let Inst{7-4} = 0b0000;
3768 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
3769 [/* For disassembly only; pattern left blank */]> {
3771 let Inst{23-16} = 0b01001111;
3772 let Inst{15-12} = Rd;
3773 let Inst{7-4} = 0b0000;
3776 // Move from ARM core register to Special Register
3778 // No need to have both system and application versions, the encodings are the
3779 // same and the assembly parser has no way to distinguish between them. The mask
3780 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
3781 // the mask with the fields to be accessed in the special register.
3782 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
3783 "msr", "\t$mask, $Rn",
3784 [/* For disassembly only; pattern left blank */]> {
3789 let Inst{22} = mask{4}; // R bit
3790 let Inst{21-20} = 0b10;
3791 let Inst{19-16} = mask{3-0};
3792 let Inst{15-12} = 0b1111;
3793 let Inst{11-4} = 0b00000000;
3797 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
3798 "msr", "\t$mask, $a",
3799 [/* For disassembly only; pattern left blank */]> {
3804 let Inst{22} = mask{4}; // R bit
3805 let Inst{21-20} = 0b10;
3806 let Inst{19-16} = mask{3-0};
3807 let Inst{15-12} = 0b1111;
3811 //===----------------------------------------------------------------------===//
3815 // __aeabi_read_tp preserves the registers r1-r3.
3816 // This is a pseudo inst so that we can get the encoding right,
3817 // complete with fixup for the aeabi_read_tp function.
3819 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
3820 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
3821 [(set R0, ARMthread_pointer)]>;
3824 //===----------------------------------------------------------------------===//
3825 // SJLJ Exception handling intrinsics
3826 // eh_sjlj_setjmp() is an instruction sequence to store the return
3827 // address and save #0 in R0 for the non-longjmp case.
3828 // Since by its nature we may be coming from some other function to get
3829 // here, and we're using the stack frame for the containing function to
3830 // save/restore registers, we can't keep anything live in regs across
3831 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3832 // when we get here from a longjmp(). We force everything out of registers
3833 // except for our own input by listing the relevant registers in Defs. By
3834 // doing so, we also cause the prologue/epilogue code to actively preserve
3835 // all of the callee-saved resgisters, which is exactly what we want.
3836 // A constant value is passed in $val, and we use the location as a scratch.
3838 // These are pseudo-instructions and are lowered to individual MC-insts, so
3839 // no encoding information is necessary.
3841 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
3842 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
3843 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3845 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3846 Requires<[IsARM, HasVFP2]>;
3850 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
3851 hasSideEffects = 1, isBarrier = 1 in {
3852 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
3854 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3855 Requires<[IsARM, NoVFP]>;
3858 // FIXME: Non-Darwin version(s)
3859 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3860 Defs = [ R7, LR, SP ] in {
3861 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
3863 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3864 Requires<[IsARM, IsDarwin]>;
3867 // eh.sjlj.dispatchsetup pseudo-instruction.
3868 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3869 // handled when the pseudo is expanded (which happens before any passes
3870 // that need the instruction size).
3871 let isBarrier = 1, hasSideEffects = 1 in
3872 def Int_eh_sjlj_dispatchsetup :
3873 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
3874 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3875 Requires<[IsDarwin]>;
3877 //===----------------------------------------------------------------------===//
3878 // Non-Instruction Patterns
3881 // ARMv4 indirect branch using (MOVr PC, dst)
3882 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
3883 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
3884 4, IIC_Br, [(brind GPR:$dst)],
3885 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
3886 Requires<[IsARM, NoV4T]>;
3888 // Large immediate handling.
3890 // 32-bit immediate using two piece so_imms or movw + movt.
3891 // This is a single pseudo instruction, the benefit is that it can be remat'd
3892 // as a single unit instead of having to handle reg inputs.
3893 // FIXME: Remove this when we can do generalized remat.
3894 let isReMaterializable = 1, isMoveImm = 1 in
3895 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
3896 [(set GPR:$dst, (arm_i32imm:$src))]>,
3899 // Pseudo instruction that combines movw + movt + add pc (if PIC).
3900 // It also makes it possible to rematerialize the instructions.
3901 // FIXME: Remove this when we can do generalized remat and when machine licm
3902 // can properly the instructions.
3903 let isReMaterializable = 1 in {
3904 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3906 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
3907 Requires<[IsARM, UseMovt]>;
3909 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3911 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
3912 Requires<[IsARM, UseMovt]>;
3914 let AddedComplexity = 10 in
3915 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
3917 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
3918 Requires<[IsARM, UseMovt]>;
3919 } // isReMaterializable
3921 // ConstantPool, GlobalAddress, and JumpTable
3922 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3923 Requires<[IsARM, DontUseMovt]>;
3924 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3925 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3926 Requires<[IsARM, UseMovt]>;
3927 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3928 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3930 // TODO: add,sub,and, 3-instr forms?
3933 def : ARMPat<(ARMtcret tcGPR:$dst),
3934 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3936 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3937 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3939 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3940 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3942 def : ARMPat<(ARMtcret tcGPR:$dst),
3943 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3945 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3946 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3948 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3949 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3952 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3953 Requires<[IsARM, IsNotDarwin]>;
3954 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3955 Requires<[IsARM, IsDarwin]>;
3957 // zextload i1 -> zextload i8
3958 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3959 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3961 // extload -> zextload
3962 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3963 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3964 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3965 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3967 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3969 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3970 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3973 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3974 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3975 (SMULBB GPR:$a, GPR:$b)>;
3976 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3977 (SMULBB GPR:$a, GPR:$b)>;
3978 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3979 (sra GPR:$b, (i32 16))),
3980 (SMULBT GPR:$a, GPR:$b)>;
3981 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3982 (SMULBT GPR:$a, GPR:$b)>;
3983 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3984 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3985 (SMULTB GPR:$a, GPR:$b)>;
3986 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3987 (SMULTB GPR:$a, GPR:$b)>;
3988 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3990 (SMULWB GPR:$a, GPR:$b)>;
3991 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3992 (SMULWB GPR:$a, GPR:$b)>;
3994 def : ARMV5TEPat<(add GPR:$acc,
3995 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3996 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3997 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3998 def : ARMV5TEPat<(add GPR:$acc,
3999 (mul sext_16_node:$a, sext_16_node:$b)),
4000 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4001 def : ARMV5TEPat<(add GPR:$acc,
4002 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4003 (sra GPR:$b, (i32 16)))),
4004 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4005 def : ARMV5TEPat<(add GPR:$acc,
4006 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4007 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4008 def : ARMV5TEPat<(add GPR:$acc,
4009 (mul (sra GPR:$a, (i32 16)),
4010 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4011 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4012 def : ARMV5TEPat<(add GPR:$acc,
4013 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4014 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4015 def : ARMV5TEPat<(add GPR:$acc,
4016 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4018 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4019 def : ARMV5TEPat<(add GPR:$acc,
4020 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4021 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4024 // Pre-v7 uses MCR for synchronization barriers.
4025 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4026 Requires<[IsARM, HasV6]>;
4029 //===----------------------------------------------------------------------===//
4033 include "ARMInstrThumb.td"
4035 //===----------------------------------------------------------------------===//
4039 include "ARMInstrThumb2.td"
4041 //===----------------------------------------------------------------------===//
4042 // Floating Point Support
4045 include "ARMInstrVFP.td"
4047 //===----------------------------------------------------------------------===//
4048 // Advanced SIMD (NEON) Support
4051 include "ARMInstrNEON.td"
4053 //===----------------------------------------------------------------------===//
4054 // Assembler aliases
4058 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4059 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4060 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4062 // System instructions
4063 def : MnemonicAlias<"swi", "svc">;
4065 // Load / Store Multiple
4066 def : MnemonicAlias<"ldmfd", "ldm">;
4067 def : MnemonicAlias<"ldmia", "ldm">;
4068 def : MnemonicAlias<"stmfd", "stmdb">;
4069 def : MnemonicAlias<"stmia", "stm">;
4070 def : MnemonicAlias<"stmea", "stm">;