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_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
63 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
66 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
68 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
69 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
74 SDTCisInt<0>, SDTCisVT<1, i32>]>;
76 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
77 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
84 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
85 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
86 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
87 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
89 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
90 [SDNPHasChain, SDNPOutGlue]>;
91 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
92 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
94 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
95 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
97 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
98 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
100 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
101 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
104 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
105 [SDNPHasChain, SDNPOptInGlue]>;
107 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
110 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
111 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
113 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
115 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
118 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
121 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
124 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
125 [SDNPOutGlue, SDNPCommutative]>;
127 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
129 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
130 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
131 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
133 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
135 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
136 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
137 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
139 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
140 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
141 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
142 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
143 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
145 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
147 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
149 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
150 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
152 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
154 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
155 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
158 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
160 //===----------------------------------------------------------------------===//
161 // ARM Instruction Predicate Definitions.
163 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
164 AssemblerPredicate<"HasV4TOps">;
165 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
166 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
167 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
168 AssemblerPredicate<"HasV5TEOps">;
169 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
170 AssemblerPredicate<"HasV6Ops">;
171 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
172 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
173 AssemblerPredicate<"HasV6T2Ops">;
174 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
175 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
176 AssemblerPredicate<"HasV7Ops">;
177 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
178 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
179 AssemblerPredicate<"FeatureVFP2">;
180 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
181 AssemblerPredicate<"FeatureVFP3">;
182 def HasNEON : Predicate<"Subtarget->hasNEON()">,
183 AssemblerPredicate<"FeatureNEON">;
184 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
185 AssemblerPredicate<"FeatureFP16">;
186 def HasDivide : Predicate<"Subtarget->hasDivide()">,
187 AssemblerPredicate<"FeatureHWDiv">;
188 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
189 AssemblerPredicate<"FeatureT2XtPk">;
190 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
191 AssemblerPredicate<"FeatureDSPThumb2">;
192 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
193 AssemblerPredicate<"FeatureDB">;
194 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
195 AssemblerPredicate<"FeatureMP">;
196 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
197 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
198 def IsThumb : Predicate<"Subtarget->isThumb()">,
199 AssemblerPredicate<"ModeThumb">;
200 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
201 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
202 AssemblerPredicate<"ModeThumb,FeatureThumb2">;
203 def IsMClass : Predicate<"Subtarget->isMClass()">,
204 AssemblerPredicate<"FeatureMClass">;
205 def IsARClass : Predicate<"!Subtarget->isMClass()">,
206 AssemblerPredicate<"!FeatureMClass">;
207 def IsARM : Predicate<"!Subtarget->isThumb()">,
208 AssemblerPredicate<"!ModeThumb">;
209 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
210 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
211 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
213 // FIXME: Eventually this will be just "hasV6T2Ops".
214 def UseMovt : Predicate<"Subtarget->useMovt()">;
215 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
216 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
218 //===----------------------------------------------------------------------===//
219 // ARM Flag Definitions.
221 class RegConstraint<string C> {
222 string Constraints = C;
225 //===----------------------------------------------------------------------===//
226 // ARM specific transformation functions and pattern fragments.
229 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
230 // so_imm_neg def below.
231 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
232 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
235 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
236 // so_imm_not def below.
237 def so_imm_not_XFORM : SDNodeXForm<imm, [{
238 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
241 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
242 def imm16_31 : ImmLeaf<i32, [{
243 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
248 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
249 }], so_imm_neg_XFORM>;
251 // Note: this pattern doesn't require an encoder method and such, as it's
252 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
253 // is handled by the destination instructions, which use t2_so_imm.
254 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
256 Operand<i32>, PatLeaf<(imm), [{
257 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
258 }], so_imm_not_XFORM> {
259 let ParserMatchClass = so_imm_not_asmoperand;
262 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
263 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
264 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
267 /// Split a 32-bit immediate into two 16 bit parts.
268 def hi16 : SDNodeXForm<imm, [{
269 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
272 def lo16AllZero : PatLeaf<(i32 imm), [{
273 // Returns true if all low 16-bits are 0.
274 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
277 class BinOpWithFlagFrag<dag res> :
278 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
279 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
280 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
282 // An 'and' node with a single use.
283 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
284 return N->hasOneUse();
287 // An 'xor' node with a single use.
288 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
289 return N->hasOneUse();
292 // An 'fmul' node with a single use.
293 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
294 return N->hasOneUse();
297 // An 'fadd' node which checks for single non-hazardous use.
298 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
299 return hasNoVMLxHazardUse(N);
302 // An 'fsub' node which checks for single non-hazardous use.
303 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
304 return hasNoVMLxHazardUse(N);
307 //===----------------------------------------------------------------------===//
308 // Operand Definitions.
311 // Immediate operands with a shared generic asm render method.
312 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
315 // FIXME: rename brtarget to t2_brtarget
316 def brtarget : Operand<OtherVT> {
317 let EncoderMethod = "getBranchTargetOpValue";
318 let OperandType = "OPERAND_PCREL";
319 let DecoderMethod = "DecodeT2BROperand";
322 // FIXME: get rid of this one?
323 def uncondbrtarget : Operand<OtherVT> {
324 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
325 let OperandType = "OPERAND_PCREL";
328 // Branch target for ARM. Handles conditional/unconditional
329 def br_target : Operand<OtherVT> {
330 let EncoderMethod = "getARMBranchTargetOpValue";
331 let OperandType = "OPERAND_PCREL";
335 // FIXME: rename bltarget to t2_bl_target?
336 def bltarget : Operand<i32> {
337 // Encoded the same as branch targets.
338 let EncoderMethod = "getBranchTargetOpValue";
339 let OperandType = "OPERAND_PCREL";
342 // Call target for ARM. Handles conditional/unconditional
343 // FIXME: rename bl_target to t2_bltarget?
344 def bl_target : Operand<i32> {
345 // Encoded the same as branch targets.
346 let EncoderMethod = "getARMBranchTargetOpValue";
347 let OperandType = "OPERAND_PCREL";
350 def blx_target : Operand<i32> {
351 // Encoded the same as branch targets.
352 let EncoderMethod = "getARMBLXTargetOpValue";
353 let OperandType = "OPERAND_PCREL";
356 // A list of registers separated by comma. Used by load/store multiple.
357 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
358 def reglist : Operand<i32> {
359 let EncoderMethod = "getRegisterListOpValue";
360 let ParserMatchClass = RegListAsmOperand;
361 let PrintMethod = "printRegisterList";
362 let DecoderMethod = "DecodeRegListOperand";
365 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
366 def dpr_reglist : Operand<i32> {
367 let EncoderMethod = "getRegisterListOpValue";
368 let ParserMatchClass = DPRRegListAsmOperand;
369 let PrintMethod = "printRegisterList";
370 let DecoderMethod = "DecodeDPRRegListOperand";
373 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
374 def spr_reglist : Operand<i32> {
375 let EncoderMethod = "getRegisterListOpValue";
376 let ParserMatchClass = SPRRegListAsmOperand;
377 let PrintMethod = "printRegisterList";
378 let DecoderMethod = "DecodeSPRRegListOperand";
381 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
382 def cpinst_operand : Operand<i32> {
383 let PrintMethod = "printCPInstOperand";
387 def pclabel : Operand<i32> {
388 let PrintMethod = "printPCLabel";
391 // ADR instruction labels.
392 def adrlabel : Operand<i32> {
393 let EncoderMethod = "getAdrLabelOpValue";
396 def neon_vcvt_imm32 : Operand<i32> {
397 let EncoderMethod = "getNEONVcvtImm32OpValue";
398 let DecoderMethod = "DecodeVCVTImmOperand";
401 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
402 def rot_imm_XFORM: SDNodeXForm<imm, [{
403 switch (N->getZExtValue()){
405 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
406 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
407 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
408 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
411 def RotImmAsmOperand : AsmOperandClass {
413 let ParserMethod = "parseRotImm";
415 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
416 int32_t v = N->getZExtValue();
417 return v == 8 || v == 16 || v == 24; }],
419 let PrintMethod = "printRotImmOperand";
420 let ParserMatchClass = RotImmAsmOperand;
423 // shift_imm: An integer that encodes a shift amount and the type of shift
424 // (asr or lsl). The 6-bit immediate encodes as:
427 // {4-0} imm5 shift amount.
428 // asr #32 encoded as imm5 == 0.
429 def ShifterImmAsmOperand : AsmOperandClass {
430 let Name = "ShifterImm";
431 let ParserMethod = "parseShifterImm";
433 def shift_imm : Operand<i32> {
434 let PrintMethod = "printShiftImmOperand";
435 let ParserMatchClass = ShifterImmAsmOperand;
438 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
439 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
440 def so_reg_reg : Operand<i32>, // reg reg imm
441 ComplexPattern<i32, 3, "SelectRegShifterOperand",
442 [shl, srl, sra, rotr]> {
443 let EncoderMethod = "getSORegRegOpValue";
444 let PrintMethod = "printSORegRegOperand";
445 let DecoderMethod = "DecodeSORegRegOperand";
446 let ParserMatchClass = ShiftedRegAsmOperand;
447 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
450 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
451 def so_reg_imm : Operand<i32>, // reg imm
452 ComplexPattern<i32, 2, "SelectImmShifterOperand",
453 [shl, srl, sra, rotr]> {
454 let EncoderMethod = "getSORegImmOpValue";
455 let PrintMethod = "printSORegImmOperand";
456 let DecoderMethod = "DecodeSORegImmOperand";
457 let ParserMatchClass = ShiftedImmAsmOperand;
458 let MIOperandInfo = (ops GPR, i32imm);
461 // FIXME: Does this need to be distinct from so_reg?
462 def shift_so_reg_reg : Operand<i32>, // reg reg imm
463 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
464 [shl,srl,sra,rotr]> {
465 let EncoderMethod = "getSORegRegOpValue";
466 let PrintMethod = "printSORegRegOperand";
467 let DecoderMethod = "DecodeSORegRegOperand";
468 let ParserMatchClass = ShiftedRegAsmOperand;
469 let MIOperandInfo = (ops GPR, GPR, i32imm);
472 // FIXME: Does this need to be distinct from so_reg?
473 def shift_so_reg_imm : Operand<i32>, // reg reg imm
474 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
475 [shl,srl,sra,rotr]> {
476 let EncoderMethod = "getSORegImmOpValue";
477 let PrintMethod = "printSORegImmOperand";
478 let DecoderMethod = "DecodeSORegImmOperand";
479 let ParserMatchClass = ShiftedImmAsmOperand;
480 let MIOperandInfo = (ops GPR, i32imm);
484 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
485 // 8-bit immediate rotated by an arbitrary number of bits.
486 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
487 def so_imm : Operand<i32>, ImmLeaf<i32, [{
488 return ARM_AM::getSOImmVal(Imm) != -1;
490 let EncoderMethod = "getSOImmOpValue";
491 let ParserMatchClass = SOImmAsmOperand;
492 let DecoderMethod = "DecodeSOImmOperand";
495 // Break so_imm's up into two pieces. This handles immediates with up to 16
496 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
497 // get the first/second pieces.
498 def so_imm2part : PatLeaf<(imm), [{
499 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
502 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
504 def arm_i32imm : PatLeaf<(imm), [{
505 if (Subtarget->hasV6T2Ops())
507 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
510 /// imm0_1 predicate - Immediate in the range [0,1].
511 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
512 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
514 /// imm0_3 predicate - Immediate in the range [0,3].
515 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
516 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
518 /// imm0_7 predicate - Immediate in the range [0,7].
519 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
520 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
521 return Imm >= 0 && Imm < 8;
523 let ParserMatchClass = Imm0_7AsmOperand;
526 /// imm8 predicate - Immediate is exactly 8.
527 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
528 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
529 let ParserMatchClass = Imm8AsmOperand;
532 /// imm16 predicate - Immediate is exactly 16.
533 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
534 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
535 let ParserMatchClass = Imm16AsmOperand;
538 /// imm32 predicate - Immediate is exactly 32.
539 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
540 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
541 let ParserMatchClass = Imm32AsmOperand;
544 /// imm1_7 predicate - Immediate in the range [1,7].
545 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
546 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
547 let ParserMatchClass = Imm1_7AsmOperand;
550 /// imm1_15 predicate - Immediate in the range [1,15].
551 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
552 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
553 let ParserMatchClass = Imm1_15AsmOperand;
556 /// imm1_31 predicate - Immediate in the range [1,31].
557 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
558 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
559 let ParserMatchClass = Imm1_31AsmOperand;
562 /// imm0_15 predicate - Immediate in the range [0,15].
563 def Imm0_15AsmOperand: ImmAsmOperand { let Name = "Imm0_15"; }
564 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
565 return Imm >= 0 && Imm < 16;
567 let ParserMatchClass = Imm0_15AsmOperand;
570 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
571 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
572 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
573 return Imm >= 0 && Imm < 32;
575 let ParserMatchClass = Imm0_31AsmOperand;
578 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
579 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
580 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
581 return Imm >= 0 && Imm < 32;
583 let ParserMatchClass = Imm0_32AsmOperand;
586 /// imm0_255 predicate - Immediate in the range [0,255].
587 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
588 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
589 let ParserMatchClass = Imm0_255AsmOperand;
592 /// imm0_65535 - An immediate is in the range [0.65535].
593 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
594 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
595 return Imm >= 0 && Imm < 65536;
597 let ParserMatchClass = Imm0_65535AsmOperand;
600 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
601 // a relocatable expression.
603 // FIXME: This really needs a Thumb version separate from the ARM version.
604 // While the range is the same, and can thus use the same match class,
605 // the encoding is different so it should have a different encoder method.
606 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
607 def imm0_65535_expr : Operand<i32> {
608 let EncoderMethod = "getHiLo16ImmOpValue";
609 let ParserMatchClass = Imm0_65535ExprAsmOperand;
612 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
613 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
614 def imm24b : Operand<i32>, ImmLeaf<i32, [{
615 return Imm >= 0 && Imm <= 0xffffff;
617 let ParserMatchClass = Imm24bitAsmOperand;
621 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
623 def BitfieldAsmOperand : AsmOperandClass {
624 let Name = "Bitfield";
625 let ParserMethod = "parseBitfield";
627 def bf_inv_mask_imm : Operand<i32>,
629 return ARM::isBitFieldInvertedMask(N->getZExtValue());
631 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
632 let PrintMethod = "printBitfieldInvMaskImmOperand";
633 let DecoderMethod = "DecodeBitfieldMaskOperand";
634 let ParserMatchClass = BitfieldAsmOperand;
637 def imm1_32_XFORM: SDNodeXForm<imm, [{
638 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
640 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
641 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
642 uint64_t Imm = N->getZExtValue();
643 return Imm > 0 && Imm <= 32;
646 let PrintMethod = "printImmPlusOneOperand";
647 let ParserMatchClass = Imm1_32AsmOperand;
650 def imm1_16_XFORM: SDNodeXForm<imm, [{
651 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
653 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
654 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
656 let PrintMethod = "printImmPlusOneOperand";
657 let ParserMatchClass = Imm1_16AsmOperand;
660 // Define ARM specific addressing modes.
661 // addrmode_imm12 := reg +/- imm12
663 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
664 def addrmode_imm12 : Operand<i32>,
665 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
666 // 12-bit immediate operand. Note that instructions using this encode
667 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
668 // immediate values are as normal.
670 let EncoderMethod = "getAddrModeImm12OpValue";
671 let PrintMethod = "printAddrModeImm12Operand";
672 let DecoderMethod = "DecodeAddrModeImm12Operand";
673 let ParserMatchClass = MemImm12OffsetAsmOperand;
674 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
676 // ldst_so_reg := reg +/- reg shop imm
678 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
679 def ldst_so_reg : Operand<i32>,
680 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
681 let EncoderMethod = "getLdStSORegOpValue";
682 // FIXME: Simplify the printer
683 let PrintMethod = "printAddrMode2Operand";
684 let DecoderMethod = "DecodeSORegMemOperand";
685 let ParserMatchClass = MemRegOffsetAsmOperand;
686 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
689 // postidx_imm8 := +/- [0,255]
692 // {8} 1 is imm8 is non-negative. 0 otherwise.
693 // {7-0} [0,255] imm8 value.
694 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
695 def postidx_imm8 : Operand<i32> {
696 let PrintMethod = "printPostIdxImm8Operand";
697 let ParserMatchClass = PostIdxImm8AsmOperand;
698 let MIOperandInfo = (ops i32imm);
701 // postidx_imm8s4 := +/- [0,1020]
704 // {8} 1 is imm8 is non-negative. 0 otherwise.
705 // {7-0} [0,255] imm8 value, scaled by 4.
706 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
707 def postidx_imm8s4 : Operand<i32> {
708 let PrintMethod = "printPostIdxImm8s4Operand";
709 let ParserMatchClass = PostIdxImm8s4AsmOperand;
710 let MIOperandInfo = (ops i32imm);
714 // postidx_reg := +/- reg
716 def PostIdxRegAsmOperand : AsmOperandClass {
717 let Name = "PostIdxReg";
718 let ParserMethod = "parsePostIdxReg";
720 def postidx_reg : Operand<i32> {
721 let EncoderMethod = "getPostIdxRegOpValue";
722 let DecoderMethod = "DecodePostIdxReg";
723 let PrintMethod = "printPostIdxRegOperand";
724 let ParserMatchClass = PostIdxRegAsmOperand;
725 let MIOperandInfo = (ops GPR, i32imm);
729 // addrmode2 := reg +/- imm12
730 // := reg +/- reg shop imm
732 // FIXME: addrmode2 should be refactored the rest of the way to always
733 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
734 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
735 def addrmode2 : Operand<i32>,
736 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
737 let EncoderMethod = "getAddrMode2OpValue";
738 let PrintMethod = "printAddrMode2Operand";
739 let ParserMatchClass = AddrMode2AsmOperand;
740 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
743 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
744 let Name = "PostIdxRegShifted";
745 let ParserMethod = "parsePostIdxReg";
747 def am2offset_reg : Operand<i32>,
748 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
749 [], [SDNPWantRoot]> {
750 let EncoderMethod = "getAddrMode2OffsetOpValue";
751 let PrintMethod = "printAddrMode2OffsetOperand";
752 // When using this for assembly, it's always as a post-index offset.
753 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
754 let MIOperandInfo = (ops GPR, i32imm);
757 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
758 // the GPR is purely vestigal at this point.
759 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
760 def am2offset_imm : Operand<i32>,
761 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
762 [], [SDNPWantRoot]> {
763 let EncoderMethod = "getAddrMode2OffsetOpValue";
764 let PrintMethod = "printAddrMode2OffsetOperand";
765 let ParserMatchClass = AM2OffsetImmAsmOperand;
766 let MIOperandInfo = (ops GPR, i32imm);
770 // addrmode3 := reg +/- reg
771 // addrmode3 := reg +/- imm8
773 // FIXME: split into imm vs. reg versions.
774 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
775 def addrmode3 : Operand<i32>,
776 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
777 let EncoderMethod = "getAddrMode3OpValue";
778 let PrintMethod = "printAddrMode3Operand";
779 let ParserMatchClass = AddrMode3AsmOperand;
780 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
783 // FIXME: split into imm vs. reg versions.
784 // FIXME: parser method to handle +/- register.
785 def AM3OffsetAsmOperand : AsmOperandClass {
786 let Name = "AM3Offset";
787 let ParserMethod = "parseAM3Offset";
789 def am3offset : Operand<i32>,
790 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
791 [], [SDNPWantRoot]> {
792 let EncoderMethod = "getAddrMode3OffsetOpValue";
793 let PrintMethod = "printAddrMode3OffsetOperand";
794 let ParserMatchClass = AM3OffsetAsmOperand;
795 let MIOperandInfo = (ops GPR, i32imm);
798 // ldstm_mode := {ia, ib, da, db}
800 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
801 let EncoderMethod = "getLdStmModeOpValue";
802 let PrintMethod = "printLdStmModeOperand";
805 // addrmode5 := reg +/- imm8*4
807 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
808 def addrmode5 : Operand<i32>,
809 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
810 let PrintMethod = "printAddrMode5Operand";
811 let EncoderMethod = "getAddrMode5OpValue";
812 let DecoderMethod = "DecodeAddrMode5Operand";
813 let ParserMatchClass = AddrMode5AsmOperand;
814 let MIOperandInfo = (ops GPR:$base, i32imm);
817 // addrmode6 := reg with optional alignment
819 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
820 def addrmode6 : Operand<i32>,
821 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
822 let PrintMethod = "printAddrMode6Operand";
823 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
824 let EncoderMethod = "getAddrMode6AddressOpValue";
825 let DecoderMethod = "DecodeAddrMode6Operand";
826 let ParserMatchClass = AddrMode6AsmOperand;
829 def am6offset : Operand<i32>,
830 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
831 [], [SDNPWantRoot]> {
832 let PrintMethod = "printAddrMode6OffsetOperand";
833 let MIOperandInfo = (ops GPR);
834 let EncoderMethod = "getAddrMode6OffsetOpValue";
835 let DecoderMethod = "DecodeGPRRegisterClass";
838 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
839 // (single element from one lane) for size 32.
840 def addrmode6oneL32 : Operand<i32>,
841 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
842 let PrintMethod = "printAddrMode6Operand";
843 let MIOperandInfo = (ops GPR:$addr, i32imm);
844 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
847 // Special version of addrmode6 to handle alignment encoding for VLD-dup
848 // instructions, specifically VLD4-dup.
849 def addrmode6dup : Operand<i32>,
850 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
851 let PrintMethod = "printAddrMode6Operand";
852 let MIOperandInfo = (ops GPR:$addr, i32imm);
853 let EncoderMethod = "getAddrMode6DupAddressOpValue";
854 // FIXME: This is close, but not quite right. The alignment specifier is
856 let ParserMatchClass = AddrMode6AsmOperand;
859 // addrmodepc := pc + reg
861 def addrmodepc : Operand<i32>,
862 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
863 let PrintMethod = "printAddrModePCOperand";
864 let MIOperandInfo = (ops GPR, i32imm);
867 // addr_offset_none := reg
869 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
870 def addr_offset_none : Operand<i32>,
871 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
872 let PrintMethod = "printAddrMode7Operand";
873 let DecoderMethod = "DecodeAddrMode7Operand";
874 let ParserMatchClass = MemNoOffsetAsmOperand;
875 let MIOperandInfo = (ops GPR:$base);
878 def nohash_imm : Operand<i32> {
879 let PrintMethod = "printNoHashImmediate";
882 def CoprocNumAsmOperand : AsmOperandClass {
883 let Name = "CoprocNum";
884 let ParserMethod = "parseCoprocNumOperand";
886 def p_imm : Operand<i32> {
887 let PrintMethod = "printPImmediate";
888 let ParserMatchClass = CoprocNumAsmOperand;
889 let DecoderMethod = "DecodeCoprocessor";
892 def CoprocRegAsmOperand : AsmOperandClass {
893 let Name = "CoprocReg";
894 let ParserMethod = "parseCoprocRegOperand";
896 def c_imm : Operand<i32> {
897 let PrintMethod = "printCImmediate";
898 let ParserMatchClass = CoprocRegAsmOperand;
900 def CoprocOptionAsmOperand : AsmOperandClass {
901 let Name = "CoprocOption";
902 let ParserMethod = "parseCoprocOptionOperand";
904 def coproc_option_imm : Operand<i32> {
905 let PrintMethod = "printCoprocOptionImm";
906 let ParserMatchClass = CoprocOptionAsmOperand;
909 //===----------------------------------------------------------------------===//
911 include "ARMInstrFormats.td"
913 //===----------------------------------------------------------------------===//
914 // Multiclass helpers...
917 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
918 /// binop that produces a value.
919 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
920 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
921 PatFrag opnode, string baseOpc, bit Commutable = 0> {
922 // The register-immediate version is re-materializable. This is useful
923 // in particular for taking the address of a local.
924 let isReMaterializable = 1 in {
925 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
926 iii, opc, "\t$Rd, $Rn, $imm",
927 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
932 let Inst{19-16} = Rn;
933 let Inst{15-12} = Rd;
934 let Inst{11-0} = imm;
937 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
938 iir, opc, "\t$Rd, $Rn, $Rm",
939 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
944 let isCommutable = Commutable;
945 let Inst{19-16} = Rn;
946 let Inst{15-12} = Rd;
947 let Inst{11-4} = 0b00000000;
951 def rsi : AsI1<opcod, (outs GPR:$Rd),
952 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
953 iis, opc, "\t$Rd, $Rn, $shift",
954 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
959 let Inst{19-16} = Rn;
960 let Inst{15-12} = Rd;
961 let Inst{11-5} = shift{11-5};
963 let Inst{3-0} = shift{3-0};
966 def rsr : AsI1<opcod, (outs GPR:$Rd),
967 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
968 iis, opc, "\t$Rd, $Rn, $shift",
969 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
974 let Inst{19-16} = Rn;
975 let Inst{15-12} = Rd;
976 let Inst{11-8} = shift{11-8};
978 let Inst{6-5} = shift{6-5};
980 let Inst{3-0} = shift{3-0};
983 // Assembly aliases for optional destination operand when it's the same
984 // as the source operand.
985 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
986 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
987 so_imm:$imm, pred:$p,
990 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
991 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
995 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
996 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
997 so_reg_imm:$shift, pred:$p,
1000 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1001 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1002 so_reg_reg:$shift, pred:$p,
1008 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1009 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1010 /// it is equivalent to the AsI1_bin_irs counterpart.
1011 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1012 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1013 PatFrag opnode, string baseOpc, bit Commutable = 0> {
1014 // The register-immediate version is re-materializable. This is useful
1015 // in particular for taking the address of a local.
1016 let isReMaterializable = 1 in {
1017 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1018 iii, opc, "\t$Rd, $Rn, $imm",
1019 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]> {
1024 let Inst{19-16} = Rn;
1025 let Inst{15-12} = Rd;
1026 let Inst{11-0} = imm;
1029 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1030 iir, opc, "\t$Rd, $Rn, $Rm",
1031 [/* pattern left blank */]> {
1035 let Inst{11-4} = 0b00000000;
1038 let Inst{15-12} = Rd;
1039 let Inst{19-16} = Rn;
1042 def rsi : AsI1<opcod, (outs GPR:$Rd),
1043 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1044 iis, opc, "\t$Rd, $Rn, $shift",
1045 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]> {
1050 let Inst{19-16} = Rn;
1051 let Inst{15-12} = Rd;
1052 let Inst{11-5} = shift{11-5};
1054 let Inst{3-0} = shift{3-0};
1057 def rsr : AsI1<opcod, (outs GPR:$Rd),
1058 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1059 iis, opc, "\t$Rd, $Rn, $shift",
1060 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
1065 let Inst{19-16} = Rn;
1066 let Inst{15-12} = Rd;
1067 let Inst{11-8} = shift{11-8};
1069 let Inst{6-5} = shift{6-5};
1071 let Inst{3-0} = shift{3-0};
1074 // Assembly aliases for optional destination operand when it's the same
1075 // as the source operand.
1076 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1077 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1078 so_imm:$imm, pred:$p,
1081 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1082 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1086 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1087 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1088 so_reg_imm:$shift, pred:$p,
1091 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1092 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1093 so_reg_reg:$shift, pred:$p,
1099 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1101 /// These opcodes will be converted to the real non-S opcodes by
1102 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1103 let hasPostISelHook = 1, Defs = [CPSR] in {
1104 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1105 InstrItinClass iis, PatFrag opnode,
1106 bit Commutable = 0> {
1107 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1109 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>;
1111 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1113 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]> {
1114 let isCommutable = Commutable;
1116 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1117 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1119 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1120 so_reg_imm:$shift))]>;
1122 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1123 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1125 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1126 so_reg_reg:$shift))]>;
1130 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1131 /// operands are reversed.
1132 let hasPostISelHook = 1, Defs = [CPSR] in {
1133 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1134 InstrItinClass iis, PatFrag opnode,
1135 bit Commutable = 0> {
1136 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1138 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>;
1140 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1141 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1143 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1146 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1147 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1149 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1154 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1155 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1156 /// a explicit result, only implicitly set CPSR.
1157 let isCompare = 1, Defs = [CPSR] in {
1158 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1159 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1160 PatFrag opnode, bit Commutable = 0> {
1161 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1163 [(opnode GPR:$Rn, so_imm:$imm)]> {
1168 let Inst{19-16} = Rn;
1169 let Inst{15-12} = 0b0000;
1170 let Inst{11-0} = imm;
1172 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1174 [(opnode GPR:$Rn, GPR:$Rm)]> {
1177 let isCommutable = Commutable;
1180 let Inst{19-16} = Rn;
1181 let Inst{15-12} = 0b0000;
1182 let Inst{11-4} = 0b00000000;
1185 def rsi : AI1<opcod, (outs),
1186 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1187 opc, "\t$Rn, $shift",
1188 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
1193 let Inst{19-16} = Rn;
1194 let Inst{15-12} = 0b0000;
1195 let Inst{11-5} = shift{11-5};
1197 let Inst{3-0} = shift{3-0};
1199 def rsr : AI1<opcod, (outs),
1200 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1201 opc, "\t$Rn, $shift",
1202 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
1207 let Inst{19-16} = Rn;
1208 let Inst{15-12} = 0b0000;
1209 let Inst{11-8} = shift{11-8};
1211 let Inst{6-5} = shift{6-5};
1213 let Inst{3-0} = shift{3-0};
1219 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1220 /// register and one whose operand is a register rotated by 8/16/24.
1221 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1222 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1223 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1224 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1225 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1226 Requires<[IsARM, HasV6]> {
1230 let Inst{19-16} = 0b1111;
1231 let Inst{15-12} = Rd;
1232 let Inst{11-10} = rot;
1236 class AI_ext_rrot_np<bits<8> opcod, string opc>
1237 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1238 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1239 Requires<[IsARM, HasV6]> {
1241 let Inst{19-16} = 0b1111;
1242 let Inst{11-10} = rot;
1245 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1246 /// register and one whose operand is a register rotated by 8/16/24.
1247 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1248 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1249 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1250 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1251 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1252 Requires<[IsARM, HasV6]> {
1257 let Inst{19-16} = Rn;
1258 let Inst{15-12} = Rd;
1259 let Inst{11-10} = rot;
1260 let Inst{9-4} = 0b000111;
1264 class AI_exta_rrot_np<bits<8> opcod, string opc>
1265 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1266 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1267 Requires<[IsARM, HasV6]> {
1270 let Inst{19-16} = Rn;
1271 let Inst{11-10} = rot;
1274 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1275 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1276 string baseOpc, bit Commutable = 0> {
1277 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1278 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1279 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1280 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1286 let Inst{15-12} = Rd;
1287 let Inst{19-16} = Rn;
1288 let Inst{11-0} = imm;
1290 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1291 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1292 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1297 let Inst{11-4} = 0b00000000;
1299 let isCommutable = Commutable;
1301 let Inst{15-12} = Rd;
1302 let Inst{19-16} = Rn;
1304 def rsi : AsI1<opcod, (outs GPR:$Rd),
1305 (ins GPR:$Rn, so_reg_imm:$shift),
1306 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1307 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1313 let Inst{19-16} = Rn;
1314 let Inst{15-12} = Rd;
1315 let Inst{11-5} = shift{11-5};
1317 let Inst{3-0} = shift{3-0};
1319 def rsr : AsI1<opcod, (outs GPR:$Rd),
1320 (ins GPR:$Rn, so_reg_reg:$shift),
1321 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1322 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift, CPSR))]>,
1328 let Inst{19-16} = Rn;
1329 let Inst{15-12} = Rd;
1330 let Inst{11-8} = shift{11-8};
1332 let Inst{6-5} = shift{6-5};
1334 let Inst{3-0} = shift{3-0};
1338 // Assembly aliases for optional destination operand when it's the same
1339 // as the source operand.
1340 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1341 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1342 so_imm:$imm, pred:$p,
1345 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1346 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1350 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1351 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1352 so_reg_imm:$shift, pred:$p,
1355 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1356 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1357 so_reg_reg:$shift, pred:$p,
1362 /// AI1_rsc_irs - Define instructions and patterns for rsc
1363 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode,
1365 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1366 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1367 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1368 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1374 let Inst{15-12} = Rd;
1375 let Inst{19-16} = Rn;
1376 let Inst{11-0} = imm;
1378 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1379 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1380 [/* pattern left blank */]> {
1384 let Inst{11-4} = 0b00000000;
1387 let Inst{15-12} = Rd;
1388 let Inst{19-16} = Rn;
1390 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1391 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1392 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1398 let Inst{19-16} = Rn;
1399 let Inst{15-12} = Rd;
1400 let Inst{11-5} = shift{11-5};
1402 let Inst{3-0} = shift{3-0};
1404 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1405 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1406 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1412 let Inst{19-16} = Rn;
1413 let Inst{15-12} = Rd;
1414 let Inst{11-8} = shift{11-8};
1416 let Inst{6-5} = shift{6-5};
1418 let Inst{3-0} = shift{3-0};
1422 // Assembly aliases for optional destination operand when it's the same
1423 // as the source operand.
1424 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1425 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1426 so_imm:$imm, pred:$p,
1429 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1430 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1434 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1435 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1436 so_reg_imm:$shift, pred:$p,
1439 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1440 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1441 so_reg_reg:$shift, pred:$p,
1446 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1447 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1448 InstrItinClass iir, PatFrag opnode> {
1449 // Note: We use the complex addrmode_imm12 rather than just an input
1450 // GPR and a constrained immediate so that we can use this to match
1451 // frame index references and avoid matching constant pool references.
1452 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1453 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1454 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1457 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1458 let Inst{19-16} = addr{16-13}; // Rn
1459 let Inst{15-12} = Rt;
1460 let Inst{11-0} = addr{11-0}; // imm12
1462 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1463 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1464 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1467 let shift{4} = 0; // Inst{4} = 0
1468 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1469 let Inst{19-16} = shift{16-13}; // Rn
1470 let Inst{15-12} = Rt;
1471 let Inst{11-0} = shift{11-0};
1476 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1477 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1478 InstrItinClass iir, PatFrag opnode> {
1479 // Note: We use the complex addrmode_imm12 rather than just an input
1480 // GPR and a constrained immediate so that we can use this to match
1481 // frame index references and avoid matching constant pool references.
1482 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt), (ins addrmode_imm12:$addr),
1483 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1484 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1487 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1488 let Inst{19-16} = addr{16-13}; // Rn
1489 let Inst{15-12} = Rt;
1490 let Inst{11-0} = addr{11-0}; // imm12
1492 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt), (ins ldst_so_reg:$shift),
1493 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1494 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1497 let shift{4} = 0; // Inst{4} = 0
1498 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1499 let Inst{19-16} = shift{16-13}; // Rn
1500 let Inst{15-12} = Rt;
1501 let Inst{11-0} = shift{11-0};
1507 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1508 InstrItinClass iir, PatFrag opnode> {
1509 // Note: We use the complex addrmode_imm12 rather than just an input
1510 // GPR and a constrained immediate so that we can use this to match
1511 // frame index references and avoid matching constant pool references.
1512 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1513 (ins GPR:$Rt, addrmode_imm12:$addr),
1514 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1515 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1518 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1519 let Inst{19-16} = addr{16-13}; // Rn
1520 let Inst{15-12} = Rt;
1521 let Inst{11-0} = addr{11-0}; // imm12
1523 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1524 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1525 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1528 let shift{4} = 0; // Inst{4} = 0
1529 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1530 let Inst{19-16} = shift{16-13}; // Rn
1531 let Inst{15-12} = Rt;
1532 let Inst{11-0} = shift{11-0};
1536 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1537 InstrItinClass iir, PatFrag opnode> {
1538 // Note: We use the complex addrmode_imm12 rather than just an input
1539 // GPR and a constrained immediate so that we can use this to match
1540 // frame index references and avoid matching constant pool references.
1541 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1542 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1543 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1544 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1547 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1548 let Inst{19-16} = addr{16-13}; // Rn
1549 let Inst{15-12} = Rt;
1550 let Inst{11-0} = addr{11-0}; // imm12
1552 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1553 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1554 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1557 let shift{4} = 0; // Inst{4} = 0
1558 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1559 let Inst{19-16} = shift{16-13}; // Rn
1560 let Inst{15-12} = Rt;
1561 let Inst{11-0} = shift{11-0};
1566 //===----------------------------------------------------------------------===//
1568 //===----------------------------------------------------------------------===//
1570 //===----------------------------------------------------------------------===//
1571 // Miscellaneous Instructions.
1574 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1575 /// the function. The first operand is the ID# for this instruction, the second
1576 /// is the index into the MachineConstantPool that this is, the third is the
1577 /// size in bytes of this constant pool entry.
1578 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1579 def CONSTPOOL_ENTRY :
1580 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1581 i32imm:$size), NoItinerary, []>;
1583 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1584 // from removing one half of the matched pairs. That breaks PEI, which assumes
1585 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1586 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1587 def ADJCALLSTACKUP :
1588 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1589 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1591 def ADJCALLSTACKDOWN :
1592 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1593 [(ARMcallseq_start timm:$amt)]>;
1596 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
1597 // (These pseudos use a hand-written selection code).
1598 let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
1599 def ATOMOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1600 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1602 def ATOMXOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1603 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1605 def ATOMADD6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1606 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1608 def ATOMSUB6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1609 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1611 def ATOMNAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1612 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1614 def ATOMAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1615 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1617 def ATOMSWAP6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1618 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1620 def ATOMCMPXCHG6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1621 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
1622 GPR:$set1, GPR:$set2),
1626 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "", []>,
1627 Requires<[IsARM, HasV6T2]> {
1628 let Inst{27-16} = 0b001100100000;
1629 let Inst{15-8} = 0b11110000;
1630 let Inst{7-0} = 0b00000000;
1633 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "", []>,
1634 Requires<[IsARM, HasV6T2]> {
1635 let Inst{27-16} = 0b001100100000;
1636 let Inst{15-8} = 0b11110000;
1637 let Inst{7-0} = 0b00000001;
1640 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "", []>,
1641 Requires<[IsARM, HasV6T2]> {
1642 let Inst{27-16} = 0b001100100000;
1643 let Inst{15-8} = 0b11110000;
1644 let Inst{7-0} = 0b00000010;
1647 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "", []>,
1648 Requires<[IsARM, HasV6T2]> {
1649 let Inst{27-16} = 0b001100100000;
1650 let Inst{15-8} = 0b11110000;
1651 let Inst{7-0} = 0b00000011;
1654 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1655 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1660 let Inst{15-12} = Rd;
1661 let Inst{19-16} = Rn;
1662 let Inst{27-20} = 0b01101000;
1663 let Inst{7-4} = 0b1011;
1664 let Inst{11-8} = 0b1111;
1667 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1668 []>, Requires<[IsARM, HasV6T2]> {
1669 let Inst{27-16} = 0b001100100000;
1670 let Inst{15-8} = 0b11110000;
1671 let Inst{7-0} = 0b00000100;
1674 // The i32imm operand $val can be used by a debugger to store more information
1675 // about the breakpoint.
1676 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1677 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1679 let Inst{3-0} = val{3-0};
1680 let Inst{19-8} = val{15-4};
1681 let Inst{27-20} = 0b00010010;
1682 let Inst{7-4} = 0b0111;
1685 // Change Processor State
1686 // FIXME: We should use InstAlias to handle the optional operands.
1687 class CPS<dag iops, string asm_ops>
1688 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1689 []>, Requires<[IsARM]> {
1695 let Inst{31-28} = 0b1111;
1696 let Inst{27-20} = 0b00010000;
1697 let Inst{19-18} = imod;
1698 let Inst{17} = M; // Enabled if mode is set;
1699 let Inst{16-9} = 0b00000000;
1700 let Inst{8-6} = iflags;
1702 let Inst{4-0} = mode;
1705 let DecoderMethod = "DecodeCPSInstruction" in {
1707 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1708 "$imod\t$iflags, $mode">;
1709 let mode = 0, M = 0 in
1710 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1712 let imod = 0, iflags = 0, M = 1 in
1713 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1716 // Preload signals the memory system of possible future data/instruction access.
1717 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1719 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1720 !strconcat(opc, "\t$addr"),
1721 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1724 let Inst{31-26} = 0b111101;
1725 let Inst{25} = 0; // 0 for immediate form
1726 let Inst{24} = data;
1727 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1728 let Inst{22} = read;
1729 let Inst{21-20} = 0b01;
1730 let Inst{19-16} = addr{16-13}; // Rn
1731 let Inst{15-12} = 0b1111;
1732 let Inst{11-0} = addr{11-0}; // imm12
1735 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1736 !strconcat(opc, "\t$shift"),
1737 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1739 let Inst{31-26} = 0b111101;
1740 let Inst{25} = 1; // 1 for register form
1741 let Inst{24} = data;
1742 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1743 let Inst{22} = read;
1744 let Inst{21-20} = 0b01;
1745 let Inst{19-16} = shift{16-13}; // Rn
1746 let Inst{15-12} = 0b1111;
1747 let Inst{11-0} = shift{11-0};
1752 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1753 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1754 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1756 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1757 "setend\t$end", []>, Requires<[IsARM]> {
1759 let Inst{31-10} = 0b1111000100000001000000;
1764 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1765 []>, Requires<[IsARM, HasV7]> {
1767 let Inst{27-4} = 0b001100100000111100001111;
1768 let Inst{3-0} = opt;
1771 // A5.4 Permanently UNDEFINED instructions.
1772 let isBarrier = 1, isTerminator = 1 in
1773 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1776 let Inst = 0xe7ffdefe;
1779 // Address computation and loads and stores in PIC mode.
1780 let isNotDuplicable = 1 in {
1781 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1783 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1785 let AddedComplexity = 10 in {
1786 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1788 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1790 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1792 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1794 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1796 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1798 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1800 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1802 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1804 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1806 let AddedComplexity = 10 in {
1807 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1808 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1810 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1811 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1812 addrmodepc:$addr)]>;
1814 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1815 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1817 } // isNotDuplicable = 1
1820 // LEApcrel - Load a pc-relative address into a register without offending the
1822 let neverHasSideEffects = 1, isReMaterializable = 1 in
1823 // The 'adr' mnemonic encodes differently if the label is before or after
1824 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1825 // know until then which form of the instruction will be used.
1826 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1827 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1830 let Inst{27-25} = 0b001;
1832 let Inst{23-22} = label{13-12};
1835 let Inst{19-16} = 0b1111;
1836 let Inst{15-12} = Rd;
1837 let Inst{11-0} = label{11-0};
1839 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1842 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1843 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1846 //===----------------------------------------------------------------------===//
1847 // Control Flow Instructions.
1850 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1852 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1853 "bx", "\tlr", [(ARMretflag)]>,
1854 Requires<[IsARM, HasV4T]> {
1855 let Inst{27-0} = 0b0001001011111111111100011110;
1859 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1860 "mov", "\tpc, lr", [(ARMretflag)]>,
1861 Requires<[IsARM, NoV4T]> {
1862 let Inst{27-0} = 0b0001101000001111000000001110;
1866 // Indirect branches
1867 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1869 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1870 [(brind GPR:$dst)]>,
1871 Requires<[IsARM, HasV4T]> {
1873 let Inst{31-4} = 0b1110000100101111111111110001;
1874 let Inst{3-0} = dst;
1877 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1878 "bx", "\t$dst", [/* pattern left blank */]>,
1879 Requires<[IsARM, HasV4T]> {
1881 let Inst{27-4} = 0b000100101111111111110001;
1882 let Inst{3-0} = dst;
1886 // All calls clobber the non-callee saved registers. SP is marked as
1887 // a use to prevent stack-pointer assignments that appear immediately
1888 // before calls from potentially appearing dead.
1890 // On non-Darwin platforms R9 is callee-saved.
1891 // FIXME: Do we really need a non-predicated version? If so, it should
1892 // at least be a pseudo instruction expanding to the predicated version
1893 // at MC lowering time.
1894 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1896 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1897 IIC_Br, "bl\t$func",
1898 [(ARMcall tglobaladdr:$func)]>,
1899 Requires<[IsARM, IsNotDarwin]> {
1900 let Inst{31-28} = 0b1110;
1902 let Inst{23-0} = func;
1903 let DecoderMethod = "DecodeBranchImmInstruction";
1906 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1907 IIC_Br, "bl", "\t$func",
1908 [(ARMcall_pred tglobaladdr:$func)]>,
1909 Requires<[IsARM, IsNotDarwin]> {
1911 let Inst{23-0} = func;
1912 let DecoderMethod = "DecodeBranchImmInstruction";
1916 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1917 IIC_Br, "blx\t$func",
1918 [(ARMcall GPR:$func)]>,
1919 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1921 let Inst{31-4} = 0b1110000100101111111111110011;
1922 let Inst{3-0} = func;
1925 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1926 IIC_Br, "blx", "\t$func",
1927 [(ARMcall_pred GPR:$func)]>,
1928 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1930 let Inst{27-4} = 0b000100101111111111110011;
1931 let Inst{3-0} = func;
1935 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1936 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1937 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1938 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1941 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1942 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1943 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1947 // On Darwin R9 is call-clobbered.
1948 // R7 is marked as a use to prevent frame-pointer assignments from being
1949 // moved above / below calls.
1950 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1951 Uses = [R7, SP] in {
1952 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1954 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1955 Requires<[IsARM, IsDarwin]>;
1957 def BLr9_pred : ARMPseudoExpand<(outs),
1958 (ins bl_target:$func, pred:$p, variable_ops),
1960 [(ARMcall_pred tglobaladdr:$func)],
1961 (BL_pred bl_target:$func, pred:$p)>,
1962 Requires<[IsARM, IsDarwin]>;
1965 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1967 [(ARMcall GPR:$func)],
1969 Requires<[IsARM, HasV5T, IsDarwin]>;
1971 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1973 [(ARMcall_pred GPR:$func)],
1974 (BLX_pred GPR:$func, pred:$p)>,
1975 Requires<[IsARM, HasV5T, IsDarwin]>;
1978 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1979 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1980 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1981 Requires<[IsARM, HasV4T, IsDarwin]>;
1984 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1985 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1986 Requires<[IsARM, NoV4T, IsDarwin]>;
1989 let isBranch = 1, isTerminator = 1 in {
1990 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1991 // a two-value operand where a dag node expects two operands. :(
1992 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1993 IIC_Br, "b", "\t$target",
1994 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1996 let Inst{23-0} = target;
1997 let DecoderMethod = "DecodeBranchImmInstruction";
2000 let isBarrier = 1 in {
2001 // B is "predicable" since it's just a Bcc with an 'always' condition.
2002 let isPredicable = 1 in
2003 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2004 // should be sufficient.
2005 // FIXME: Is B really a Barrier? That doesn't seem right.
2006 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2007 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
2009 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2010 def BR_JTr : ARMPseudoInst<(outs),
2011 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2013 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
2014 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2015 // into i12 and rs suffixed versions.
2016 def BR_JTm : ARMPseudoInst<(outs),
2017 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2019 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2021 def BR_JTadd : ARMPseudoInst<(outs),
2022 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2024 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2026 } // isNotDuplicable = 1, isIndirectBranch = 1
2032 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2033 "blx\t$target", []>,
2034 Requires<[IsARM, HasV5T]> {
2035 let Inst{31-25} = 0b1111101;
2037 let Inst{23-0} = target{24-1};
2038 let Inst{24} = target{0};
2041 // Branch and Exchange Jazelle
2042 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2043 [/* pattern left blank */]> {
2045 let Inst{23-20} = 0b0010;
2046 let Inst{19-8} = 0xfff;
2047 let Inst{7-4} = 0b0010;
2048 let Inst{3-0} = func;
2053 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
2055 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
2057 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2058 IIC_Br, []>, Requires<[IsDarwin]>;
2060 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2061 IIC_Br, []>, Requires<[IsDarwin]>;
2063 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
2065 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2066 Requires<[IsARM, IsDarwin]>;
2068 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2071 Requires<[IsARM, IsDarwin]>;
2075 // Non-Darwin versions (the difference is R9).
2076 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
2078 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2079 IIC_Br, []>, Requires<[IsNotDarwin]>;
2081 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2082 IIC_Br, []>, Requires<[IsNotDarwin]>;
2084 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
2086 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2087 Requires<[IsARM, IsNotDarwin]>;
2089 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2092 Requires<[IsARM, IsNotDarwin]>;
2096 // Secure Monitor Call is a system instruction.
2097 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2100 let Inst{23-4} = 0b01100000000000000111;
2101 let Inst{3-0} = opt;
2104 // Supervisor Call (Software Interrupt)
2105 let isCall = 1, Uses = [SP] in {
2106 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
2108 let Inst{23-0} = svc;
2112 // Store Return State
2113 class SRSI<bit wb, string asm>
2114 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2115 NoItinerary, asm, "", []> {
2117 let Inst{31-28} = 0b1111;
2118 let Inst{27-25} = 0b100;
2122 let Inst{19-16} = 0b1101; // SP
2123 let Inst{15-5} = 0b00000101000;
2124 let Inst{4-0} = mode;
2127 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2128 let Inst{24-23} = 0;
2130 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2131 let Inst{24-23} = 0;
2133 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2134 let Inst{24-23} = 0b10;
2136 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2137 let Inst{24-23} = 0b10;
2139 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2140 let Inst{24-23} = 0b01;
2142 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2143 let Inst{24-23} = 0b01;
2145 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2146 let Inst{24-23} = 0b11;
2148 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2149 let Inst{24-23} = 0b11;
2152 // Return From Exception
2153 class RFEI<bit wb, string asm>
2154 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2155 NoItinerary, asm, "", []> {
2157 let Inst{31-28} = 0b1111;
2158 let Inst{27-25} = 0b100;
2162 let Inst{19-16} = Rn;
2163 let Inst{15-0} = 0xa00;
2166 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2167 let Inst{24-23} = 0;
2169 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2170 let Inst{24-23} = 0;
2172 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2173 let Inst{24-23} = 0b10;
2175 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2176 let Inst{24-23} = 0b10;
2178 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2179 let Inst{24-23} = 0b01;
2181 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2182 let Inst{24-23} = 0b01;
2184 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2185 let Inst{24-23} = 0b11;
2187 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2188 let Inst{24-23} = 0b11;
2191 //===----------------------------------------------------------------------===//
2192 // Load / Store Instructions.
2198 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2199 UnOpFrag<(load node:$Src)>>;
2200 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2201 UnOpFrag<(zextloadi8 node:$Src)>>;
2202 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2203 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2204 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2205 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2207 // Special LDR for loads from non-pc-relative constpools.
2208 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2209 isReMaterializable = 1, isCodeGenOnly = 1 in
2210 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2211 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2215 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2216 let Inst{19-16} = 0b1111;
2217 let Inst{15-12} = Rt;
2218 let Inst{11-0} = addr{11-0}; // imm12
2221 // Loads with zero extension
2222 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2223 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2224 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2226 // Loads with sign extension
2227 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2228 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2229 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2231 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2232 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2233 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2235 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2237 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2238 (ins addrmode3:$addr), LdMiscFrm,
2239 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2240 []>, Requires<[IsARM, HasV5TE]>;
2244 multiclass AI2_ldridx<bit isByte, string opc,
2245 InstrItinClass iii, InstrItinClass iir> {
2246 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2247 (ins addrmode_imm12:$addr), IndexModePre, LdFrm, iii,
2248 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2251 let Inst{23} = addr{12};
2252 let Inst{19-16} = addr{16-13};
2253 let Inst{11-0} = addr{11-0};
2254 let DecoderMethod = "DecodeLDRPreImm";
2255 let AsmMatchConverter = "cvtLdWriteBackRegAddrModeImm12";
2258 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2259 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2260 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2263 let Inst{23} = addr{12};
2264 let Inst{19-16} = addr{16-13};
2265 let Inst{11-0} = addr{11-0};
2267 let DecoderMethod = "DecodeLDRPreReg";
2268 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2271 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2272 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2273 IndexModePost, LdFrm, iir,
2274 opc, "\t$Rt, $addr, $offset",
2275 "$addr.base = $Rn_wb", []> {
2281 let Inst{23} = offset{12};
2282 let Inst{19-16} = addr;
2283 let Inst{11-0} = offset{11-0};
2285 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2288 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2289 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2290 IndexModePost, LdFrm, iii,
2291 opc, "\t$Rt, $addr, $offset",
2292 "$addr.base = $Rn_wb", []> {
2298 let Inst{23} = offset{12};
2299 let Inst{19-16} = addr;
2300 let Inst{11-0} = offset{11-0};
2302 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2307 let mayLoad = 1, neverHasSideEffects = 1 in {
2308 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2309 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2310 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2311 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2314 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2315 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2316 (ins addrmode3:$addr), IndexModePre,
2318 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2320 let Inst{23} = addr{8}; // U bit
2321 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2322 let Inst{19-16} = addr{12-9}; // Rn
2323 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2324 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2325 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2326 let DecoderMethod = "DecodeAddrMode3Instruction";
2328 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2329 (ins addr_offset_none:$addr, am3offset:$offset),
2330 IndexModePost, LdMiscFrm, itin,
2331 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2335 let Inst{23} = offset{8}; // U bit
2336 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2337 let Inst{19-16} = addr;
2338 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2339 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2340 let DecoderMethod = "DecodeAddrMode3Instruction";
2344 let mayLoad = 1, neverHasSideEffects = 1 in {
2345 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2346 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2347 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2348 let hasExtraDefRegAllocReq = 1 in {
2349 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2350 (ins addrmode3:$addr), IndexModePre,
2351 LdMiscFrm, IIC_iLoad_d_ru,
2352 "ldrd", "\t$Rt, $Rt2, $addr!",
2353 "$addr.base = $Rn_wb", []> {
2355 let Inst{23} = addr{8}; // U bit
2356 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2357 let Inst{19-16} = addr{12-9}; // Rn
2358 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2359 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2360 let DecoderMethod = "DecodeAddrMode3Instruction";
2361 let AsmMatchConverter = "cvtLdrdPre";
2363 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2364 (ins addr_offset_none:$addr, am3offset:$offset),
2365 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2366 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2367 "$addr.base = $Rn_wb", []> {
2370 let Inst{23} = offset{8}; // U bit
2371 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2372 let Inst{19-16} = addr;
2373 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2374 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2375 let DecoderMethod = "DecodeAddrMode3Instruction";
2377 } // hasExtraDefRegAllocReq = 1
2378 } // mayLoad = 1, neverHasSideEffects = 1
2380 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2381 let mayLoad = 1, neverHasSideEffects = 1 in {
2382 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2383 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2384 IndexModePost, LdFrm, IIC_iLoad_ru,
2385 "ldrt", "\t$Rt, $addr, $offset",
2386 "$addr.base = $Rn_wb", []> {
2392 let Inst{23} = offset{12};
2393 let Inst{21} = 1; // overwrite
2394 let Inst{19-16} = addr;
2395 let Inst{11-5} = offset{11-5};
2397 let Inst{3-0} = offset{3-0};
2398 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2401 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2402 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2403 IndexModePost, LdFrm, IIC_iLoad_ru,
2404 "ldrt", "\t$Rt, $addr, $offset",
2405 "$addr.base = $Rn_wb", []> {
2411 let Inst{23} = offset{12};
2412 let Inst{21} = 1; // overwrite
2413 let Inst{19-16} = addr;
2414 let Inst{11-0} = offset{11-0};
2415 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2418 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2419 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2420 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2421 "ldrbt", "\t$Rt, $addr, $offset",
2422 "$addr.base = $Rn_wb", []> {
2428 let Inst{23} = offset{12};
2429 let Inst{21} = 1; // overwrite
2430 let Inst{19-16} = addr;
2431 let Inst{11-5} = offset{11-5};
2433 let Inst{3-0} = offset{3-0};
2434 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2437 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2438 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2439 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2440 "ldrbt", "\t$Rt, $addr, $offset",
2441 "$addr.base = $Rn_wb", []> {
2447 let Inst{23} = offset{12};
2448 let Inst{21} = 1; // overwrite
2449 let Inst{19-16} = addr;
2450 let Inst{11-0} = offset{11-0};
2451 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2454 multiclass AI3ldrT<bits<4> op, string opc> {
2455 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2456 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2457 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2458 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2460 let Inst{23} = offset{8};
2462 let Inst{11-8} = offset{7-4};
2463 let Inst{3-0} = offset{3-0};
2464 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2466 def r : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2467 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2468 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2469 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2471 let Inst{23} = Rm{4};
2474 let Inst{3-0} = Rm{3-0};
2475 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2479 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2480 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2481 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2486 // Stores with truncate
2487 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2488 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2489 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2492 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2493 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2494 StMiscFrm, IIC_iStore_d_r,
2495 "strd", "\t$Rt, $src2, $addr", []>,
2496 Requires<[IsARM, HasV5TE]> {
2501 multiclass AI2_stridx<bit isByte, string opc,
2502 InstrItinClass iii, InstrItinClass iir> {
2503 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2504 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2506 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2509 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2510 let Inst{19-16} = addr{16-13}; // Rn
2511 let Inst{11-0} = addr{11-0}; // imm12
2512 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2513 let DecoderMethod = "DecodeSTRPreImm";
2516 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2517 (ins GPR:$Rt, ldst_so_reg:$addr),
2518 IndexModePre, StFrm, iir,
2519 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2522 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2523 let Inst{19-16} = addr{16-13}; // Rn
2524 let Inst{11-0} = addr{11-0};
2525 let Inst{4} = 0; // Inst{4} = 0
2526 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2527 let DecoderMethod = "DecodeSTRPreReg";
2529 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2530 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2531 IndexModePost, StFrm, iir,
2532 opc, "\t$Rt, $addr, $offset",
2533 "$addr.base = $Rn_wb", []> {
2539 let Inst{23} = offset{12};
2540 let Inst{19-16} = addr;
2541 let Inst{11-0} = offset{11-0};
2543 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2546 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2547 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2548 IndexModePost, StFrm, iii,
2549 opc, "\t$Rt, $addr, $offset",
2550 "$addr.base = $Rn_wb", []> {
2556 let Inst{23} = offset{12};
2557 let Inst{19-16} = addr;
2558 let Inst{11-0} = offset{11-0};
2560 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2564 let mayStore = 1, neverHasSideEffects = 1 in {
2565 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2566 // IIC_iStore_siu depending on whether it the offset register is shifted.
2567 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2568 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2571 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2572 am2offset_reg:$offset),
2573 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2574 am2offset_reg:$offset)>;
2575 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2576 am2offset_imm:$offset),
2577 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2578 am2offset_imm:$offset)>;
2579 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2580 am2offset_reg:$offset),
2581 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2582 am2offset_reg:$offset)>;
2583 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2584 am2offset_imm:$offset),
2585 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2586 am2offset_imm:$offset)>;
2588 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2589 // put the patterns on the instruction definitions directly as ISel wants
2590 // the address base and offset to be separate operands, not a single
2591 // complex operand like we represent the instructions themselves. The
2592 // pseudos map between the two.
2593 let usesCustomInserter = 1,
2594 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2595 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2596 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2599 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2600 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2601 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2604 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2605 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2606 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2609 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2610 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2611 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2614 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2615 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2616 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2619 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2624 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2625 (ins GPR:$Rt, addrmode3:$addr), IndexModePre,
2626 StMiscFrm, IIC_iStore_bh_ru,
2627 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2629 let Inst{23} = addr{8}; // U bit
2630 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2631 let Inst{19-16} = addr{12-9}; // Rn
2632 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2633 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2634 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2635 let DecoderMethod = "DecodeAddrMode3Instruction";
2638 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2639 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2640 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2641 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2642 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2643 addr_offset_none:$addr,
2644 am3offset:$offset))]> {
2647 let Inst{23} = offset{8}; // U bit
2648 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2649 let Inst{19-16} = addr;
2650 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2651 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2652 let DecoderMethod = "DecodeAddrMode3Instruction";
2655 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2656 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2657 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2658 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2659 "strd", "\t$Rt, $Rt2, $addr!",
2660 "$addr.base = $Rn_wb", []> {
2662 let Inst{23} = addr{8}; // U bit
2663 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2664 let Inst{19-16} = addr{12-9}; // Rn
2665 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2666 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2667 let DecoderMethod = "DecodeAddrMode3Instruction";
2668 let AsmMatchConverter = "cvtStrdPre";
2671 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2672 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2674 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2675 "strd", "\t$Rt, $Rt2, $addr, $offset",
2676 "$addr.base = $Rn_wb", []> {
2679 let Inst{23} = offset{8}; // U bit
2680 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2681 let Inst{19-16} = addr;
2682 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2683 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2684 let DecoderMethod = "DecodeAddrMode3Instruction";
2686 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2688 // STRT, STRBT, and STRHT
2690 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2691 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2692 IndexModePost, StFrm, IIC_iStore_bh_ru,
2693 "strbt", "\t$Rt, $addr, $offset",
2694 "$addr.base = $Rn_wb", []> {
2700 let Inst{23} = offset{12};
2701 let Inst{21} = 1; // overwrite
2702 let Inst{19-16} = addr;
2703 let Inst{11-5} = offset{11-5};
2705 let Inst{3-0} = offset{3-0};
2706 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2709 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2710 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2711 IndexModePost, StFrm, IIC_iStore_bh_ru,
2712 "strbt", "\t$Rt, $addr, $offset",
2713 "$addr.base = $Rn_wb", []> {
2719 let Inst{23} = offset{12};
2720 let Inst{21} = 1; // overwrite
2721 let Inst{19-16} = addr;
2722 let Inst{11-0} = offset{11-0};
2723 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2726 let mayStore = 1, neverHasSideEffects = 1 in {
2727 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2728 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2729 IndexModePost, StFrm, IIC_iStore_ru,
2730 "strt", "\t$Rt, $addr, $offset",
2731 "$addr.base = $Rn_wb", []> {
2737 let Inst{23} = offset{12};
2738 let Inst{21} = 1; // overwrite
2739 let Inst{19-16} = addr;
2740 let Inst{11-5} = offset{11-5};
2742 let Inst{3-0} = offset{3-0};
2743 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2746 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2747 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2748 IndexModePost, StFrm, IIC_iStore_ru,
2749 "strt", "\t$Rt, $addr, $offset",
2750 "$addr.base = $Rn_wb", []> {
2756 let Inst{23} = offset{12};
2757 let Inst{21} = 1; // overwrite
2758 let Inst{19-16} = addr;
2759 let Inst{11-0} = offset{11-0};
2760 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2765 multiclass AI3strT<bits<4> op, string opc> {
2766 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2767 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2768 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2769 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2771 let Inst{23} = offset{8};
2773 let Inst{11-8} = offset{7-4};
2774 let Inst{3-0} = offset{3-0};
2775 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2777 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2778 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2779 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2780 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2782 let Inst{23} = Rm{4};
2785 let Inst{3-0} = Rm{3-0};
2786 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2791 defm STRHT : AI3strT<0b1011, "strht">;
2794 //===----------------------------------------------------------------------===//
2795 // Load / store multiple Instructions.
2798 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2799 InstrItinClass itin, InstrItinClass itin_upd> {
2800 // IA is the default, so no need for an explicit suffix on the
2801 // mnemonic here. Without it is the cannonical spelling.
2803 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2804 IndexModeNone, f, itin,
2805 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2806 let Inst{24-23} = 0b01; // Increment After
2807 let Inst{21} = 0; // No writeback
2808 let Inst{20} = L_bit;
2811 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2812 IndexModeUpd, f, itin_upd,
2813 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2814 let Inst{24-23} = 0b01; // Increment After
2815 let Inst{21} = 1; // Writeback
2816 let Inst{20} = L_bit;
2818 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2821 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2822 IndexModeNone, f, itin,
2823 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2824 let Inst{24-23} = 0b00; // Decrement After
2825 let Inst{21} = 0; // No writeback
2826 let Inst{20} = L_bit;
2829 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2830 IndexModeUpd, f, itin_upd,
2831 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2832 let Inst{24-23} = 0b00; // Decrement After
2833 let Inst{21} = 1; // Writeback
2834 let Inst{20} = L_bit;
2836 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2839 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2840 IndexModeNone, f, itin,
2841 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2842 let Inst{24-23} = 0b10; // Decrement Before
2843 let Inst{21} = 0; // No writeback
2844 let Inst{20} = L_bit;
2847 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2848 IndexModeUpd, f, itin_upd,
2849 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2850 let Inst{24-23} = 0b10; // Decrement Before
2851 let Inst{21} = 1; // Writeback
2852 let Inst{20} = L_bit;
2854 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2857 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2858 IndexModeNone, f, itin,
2859 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2860 let Inst{24-23} = 0b11; // Increment Before
2861 let Inst{21} = 0; // No writeback
2862 let Inst{20} = L_bit;
2865 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2866 IndexModeUpd, f, itin_upd,
2867 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2868 let Inst{24-23} = 0b11; // Increment Before
2869 let Inst{21} = 1; // Writeback
2870 let Inst{20} = L_bit;
2872 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2876 let neverHasSideEffects = 1 in {
2878 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2879 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2881 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2882 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2884 } // neverHasSideEffects
2886 // FIXME: remove when we have a way to marking a MI with these properties.
2887 // FIXME: Should pc be an implicit operand like PICADD, etc?
2888 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2889 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2890 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2891 reglist:$regs, variable_ops),
2892 4, IIC_iLoad_mBr, [],
2893 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2894 RegConstraint<"$Rn = $wb">;
2896 //===----------------------------------------------------------------------===//
2897 // Move Instructions.
2900 let neverHasSideEffects = 1 in
2901 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2902 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2906 let Inst{19-16} = 0b0000;
2907 let Inst{11-4} = 0b00000000;
2910 let Inst{15-12} = Rd;
2913 def : ARMInstAlias<"movs${p} $Rd, $Rm",
2914 (MOVr GPR:$Rd, GPR:$Rm, pred:$p, CPSR)>;
2916 // A version for the smaller set of tail call registers.
2917 let neverHasSideEffects = 1 in
2918 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2919 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2923 let Inst{11-4} = 0b00000000;
2926 let Inst{15-12} = Rd;
2929 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2930 DPSoRegRegFrm, IIC_iMOVsr,
2931 "mov", "\t$Rd, $src",
2932 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2935 let Inst{15-12} = Rd;
2936 let Inst{19-16} = 0b0000;
2937 let Inst{11-8} = src{11-8};
2939 let Inst{6-5} = src{6-5};
2941 let Inst{3-0} = src{3-0};
2945 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2946 DPSoRegImmFrm, IIC_iMOVsr,
2947 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2951 let Inst{15-12} = Rd;
2952 let Inst{19-16} = 0b0000;
2953 let Inst{11-5} = src{11-5};
2955 let Inst{3-0} = src{3-0};
2959 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2960 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2961 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2965 let Inst{15-12} = Rd;
2966 let Inst{19-16} = 0b0000;
2967 let Inst{11-0} = imm;
2970 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2971 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2973 "movw", "\t$Rd, $imm",
2974 [(set GPR:$Rd, imm0_65535:$imm)]>,
2975 Requires<[IsARM, HasV6T2]>, UnaryDP {
2978 let Inst{15-12} = Rd;
2979 let Inst{11-0} = imm{11-0};
2980 let Inst{19-16} = imm{15-12};
2983 let DecoderMethod = "DecodeArmMOVTWInstruction";
2986 def : InstAlias<"mov${p} $Rd, $imm",
2987 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2990 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2991 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2993 let Constraints = "$src = $Rd" in {
2994 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
2995 (ins GPR:$src, imm0_65535_expr:$imm),
2997 "movt", "\t$Rd, $imm",
2999 (or (and GPR:$src, 0xffff),
3000 lo16AllZero:$imm))]>, UnaryDP,
3001 Requires<[IsARM, HasV6T2]> {
3004 let Inst{15-12} = Rd;
3005 let Inst{11-0} = imm{11-0};
3006 let Inst{19-16} = imm{15-12};
3009 let DecoderMethod = "DecodeArmMOVTWInstruction";
3012 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3013 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
3017 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3018 Requires<[IsARM, HasV6T2]>;
3020 let Uses = [CPSR] in
3021 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3022 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3025 // These aren't really mov instructions, but we have to define them this way
3026 // due to flag operands.
3028 let Defs = [CPSR] in {
3029 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3030 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3032 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3033 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3037 //===----------------------------------------------------------------------===//
3038 // Extend Instructions.
3043 def SXTB : AI_ext_rrot<0b01101010,
3044 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3045 def SXTH : AI_ext_rrot<0b01101011,
3046 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3048 def SXTAB : AI_exta_rrot<0b01101010,
3049 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3050 def SXTAH : AI_exta_rrot<0b01101011,
3051 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3053 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3055 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3059 let AddedComplexity = 16 in {
3060 def UXTB : AI_ext_rrot<0b01101110,
3061 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3062 def UXTH : AI_ext_rrot<0b01101111,
3063 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3064 def UXTB16 : AI_ext_rrot<0b01101100,
3065 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3067 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3068 // The transformation should probably be done as a combiner action
3069 // instead so we can include a check for masking back in the upper
3070 // eight bits of the source into the lower eight bits of the result.
3071 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3072 // (UXTB16r_rot GPR:$Src, 3)>;
3073 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3074 (UXTB16 GPR:$Src, 1)>;
3076 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3077 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3078 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3079 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3082 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3083 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3086 def SBFX : I<(outs GPRnopc:$Rd),
3087 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3088 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3089 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3090 Requires<[IsARM, HasV6T2]> {
3095 let Inst{27-21} = 0b0111101;
3096 let Inst{6-4} = 0b101;
3097 let Inst{20-16} = width;
3098 let Inst{15-12} = Rd;
3099 let Inst{11-7} = lsb;
3103 def UBFX : I<(outs GPR:$Rd),
3104 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3105 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3106 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3107 Requires<[IsARM, HasV6T2]> {
3112 let Inst{27-21} = 0b0111111;
3113 let Inst{6-4} = 0b101;
3114 let Inst{20-16} = width;
3115 let Inst{15-12} = Rd;
3116 let Inst{11-7} = lsb;
3120 //===----------------------------------------------------------------------===//
3121 // Arithmetic Instructions.
3124 defm ADD : AsI1_bin_irs<0b0100, "add",
3125 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3126 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
3127 defm SUB : AsI1_bin_irs<0b0010, "sub",
3128 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3129 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
3131 // ADD and SUB with 's' bit set.
3133 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3134 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3135 // AdjustInstrPostInstrSelection where we determine whether or not to
3136 // set the "s" bit based on CPSR liveness.
3138 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3139 // support for an optional CPSR definition that corresponds to the DAG
3140 // node's second value. We can then eliminate the implicit def of CPSR.
3141 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3142 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3143 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3144 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3146 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3147 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>,
3149 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3150 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3153 defm RSB : AsI1_rbin_irs <0b0011, "rsb",
3154 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3155 BinOpFrag<(sub node:$LHS, node:$RHS)>, "RSB">;
3157 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3158 // CPSR and the implicit def of CPSR is not needed.
3159 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3160 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3162 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3163 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3166 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3167 // The assume-no-carry-in form uses the negation of the input since add/sub
3168 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3169 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3171 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3172 (SUBri GPR:$src, so_imm_neg:$imm)>;
3173 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3174 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3176 // The with-carry-in form matches bitwise not instead of the negation.
3177 // Effectively, the inverse interpretation of the carry flag already accounts
3178 // for part of the negation.
3179 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3180 (SBCri GPR:$src, so_imm_not:$imm)>;
3182 // Note: These are implemented in C++ code, because they have to generate
3183 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3185 // (mul X, 2^n+1) -> (add (X << n), X)
3186 // (mul X, 2^n-1) -> (rsb X, (X << n))
3188 // ARM Arithmetic Instruction
3189 // GPR:$dst = GPR:$a op GPR:$b
3190 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3191 list<dag> pattern = [],
3192 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3193 string asm = "\t$Rd, $Rn, $Rm">
3194 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3198 let Inst{27-20} = op27_20;
3199 let Inst{11-4} = op11_4;
3200 let Inst{19-16} = Rn;
3201 let Inst{15-12} = Rd;
3205 // Saturating add/subtract
3207 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3208 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3209 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3210 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3211 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3212 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3213 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3214 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3216 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3217 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3220 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3221 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3222 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3223 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3224 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3225 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3226 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3227 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3228 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3229 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3230 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3231 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3233 // Signed/Unsigned add/subtract
3235 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3236 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3237 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3238 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3239 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3240 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3241 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3242 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3243 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3244 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3245 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3246 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3248 // Signed/Unsigned halving add/subtract
3250 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3251 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3252 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3253 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3254 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3255 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3256 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3257 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3258 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3259 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3260 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3261 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3263 // Unsigned Sum of Absolute Differences [and Accumulate].
3265 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3266 MulFrm /* for convenience */, NoItinerary, "usad8",
3267 "\t$Rd, $Rn, $Rm", []>,
3268 Requires<[IsARM, HasV6]> {
3272 let Inst{27-20} = 0b01111000;
3273 let Inst{15-12} = 0b1111;
3274 let Inst{7-4} = 0b0001;
3275 let Inst{19-16} = Rd;
3276 let Inst{11-8} = Rm;
3279 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3280 MulFrm /* for convenience */, NoItinerary, "usada8",
3281 "\t$Rd, $Rn, $Rm, $Ra", []>,
3282 Requires<[IsARM, HasV6]> {
3287 let Inst{27-20} = 0b01111000;
3288 let Inst{7-4} = 0b0001;
3289 let Inst{19-16} = Rd;
3290 let Inst{15-12} = Ra;
3291 let Inst{11-8} = Rm;
3295 // Signed/Unsigned saturate
3297 def SSAT : AI<(outs GPRnopc:$Rd),
3298 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3299 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3304 let Inst{27-21} = 0b0110101;
3305 let Inst{5-4} = 0b01;
3306 let Inst{20-16} = sat_imm;
3307 let Inst{15-12} = Rd;
3308 let Inst{11-7} = sh{4-0};
3309 let Inst{6} = sh{5};
3313 def SSAT16 : AI<(outs GPRnopc:$Rd),
3314 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3315 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3319 let Inst{27-20} = 0b01101010;
3320 let Inst{11-4} = 0b11110011;
3321 let Inst{15-12} = Rd;
3322 let Inst{19-16} = sat_imm;
3326 def USAT : AI<(outs GPRnopc:$Rd),
3327 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3328 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3333 let Inst{27-21} = 0b0110111;
3334 let Inst{5-4} = 0b01;
3335 let Inst{15-12} = Rd;
3336 let Inst{11-7} = sh{4-0};
3337 let Inst{6} = sh{5};
3338 let Inst{20-16} = sat_imm;
3342 def USAT16 : AI<(outs GPRnopc:$Rd),
3343 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3344 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3348 let Inst{27-20} = 0b01101110;
3349 let Inst{11-4} = 0b11110011;
3350 let Inst{15-12} = Rd;
3351 let Inst{19-16} = sat_imm;
3355 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3356 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3357 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3358 (USAT imm:$pos, GPRnopc:$a, 0)>;
3360 //===----------------------------------------------------------------------===//
3361 // Bitwise Instructions.
3364 defm AND : AsI1_bin_irs<0b0000, "and",
3365 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3366 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
3367 defm ORR : AsI1_bin_irs<0b1100, "orr",
3368 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3369 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
3370 defm EOR : AsI1_bin_irs<0b0001, "eor",
3371 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3372 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
3373 defm BIC : AsI1_bin_irs<0b1110, "bic",
3374 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3375 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
3377 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3378 // like in the actual instruction encoding. The complexity of mapping the mask
3379 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3380 // instruction description.
3381 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3382 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3383 "bfc", "\t$Rd, $imm", "$src = $Rd",
3384 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3385 Requires<[IsARM, HasV6T2]> {
3388 let Inst{27-21} = 0b0111110;
3389 let Inst{6-0} = 0b0011111;
3390 let Inst{15-12} = Rd;
3391 let Inst{11-7} = imm{4-0}; // lsb
3392 let Inst{20-16} = imm{9-5}; // msb
3395 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3396 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3397 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3398 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3399 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3400 bf_inv_mask_imm:$imm))]>,
3401 Requires<[IsARM, HasV6T2]> {
3405 let Inst{27-21} = 0b0111110;
3406 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3407 let Inst{15-12} = Rd;
3408 let Inst{11-7} = imm{4-0}; // lsb
3409 let Inst{20-16} = imm{9-5}; // width
3413 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3414 "mvn", "\t$Rd, $Rm",
3415 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3419 let Inst{19-16} = 0b0000;
3420 let Inst{11-4} = 0b00000000;
3421 let Inst{15-12} = Rd;
3424 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3425 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3426 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3430 let Inst{19-16} = 0b0000;
3431 let Inst{15-12} = Rd;
3432 let Inst{11-5} = shift{11-5};
3434 let Inst{3-0} = shift{3-0};
3436 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3437 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3438 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3442 let Inst{19-16} = 0b0000;
3443 let Inst{15-12} = Rd;
3444 let Inst{11-8} = shift{11-8};
3446 let Inst{6-5} = shift{6-5};
3448 let Inst{3-0} = shift{3-0};
3450 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3451 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3452 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3453 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3457 let Inst{19-16} = 0b0000;
3458 let Inst{15-12} = Rd;
3459 let Inst{11-0} = imm;
3462 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3463 (BICri GPR:$src, so_imm_not:$imm)>;
3465 //===----------------------------------------------------------------------===//
3466 // Multiply Instructions.
3468 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3469 string opc, string asm, list<dag> pattern>
3470 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3474 let Inst{19-16} = Rd;
3475 let Inst{11-8} = Rm;
3478 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3479 string opc, string asm, list<dag> pattern>
3480 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3485 let Inst{19-16} = RdHi;
3486 let Inst{15-12} = RdLo;
3487 let Inst{11-8} = Rm;
3491 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3492 // property. Remove them when it's possible to add those properties
3493 // on an individual MachineInstr, not just an instuction description.
3494 let isCommutable = 1 in {
3495 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3496 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3497 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3498 Requires<[IsARM, HasV6]> {
3499 let Inst{15-12} = 0b0000;
3502 let Constraints = "@earlyclobber $Rd" in
3503 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3504 pred:$p, cc_out:$s),
3506 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3507 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3508 Requires<[IsARM, NoV6]>;
3511 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3512 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3513 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3514 Requires<[IsARM, HasV6]> {
3516 let Inst{15-12} = Ra;
3519 let Constraints = "@earlyclobber $Rd" in
3520 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3521 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3523 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3524 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3525 Requires<[IsARM, NoV6]>;
3527 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3528 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3529 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3530 Requires<[IsARM, HasV6T2]> {
3535 let Inst{19-16} = Rd;
3536 let Inst{15-12} = Ra;
3537 let Inst{11-8} = Rm;
3541 // Extra precision multiplies with low / high results
3542 let neverHasSideEffects = 1 in {
3543 let isCommutable = 1 in {
3544 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3545 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3546 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3547 Requires<[IsARM, HasV6]>;
3549 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3550 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3551 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3552 Requires<[IsARM, HasV6]>;
3554 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3555 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3556 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3558 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3559 Requires<[IsARM, NoV6]>;
3561 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3562 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3564 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3565 Requires<[IsARM, NoV6]>;
3569 // Multiply + accumulate
3570 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3571 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3572 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3573 Requires<[IsARM, HasV6]>;
3574 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3575 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3576 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3577 Requires<[IsARM, HasV6]>;
3579 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3580 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3581 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3582 Requires<[IsARM, HasV6]> {
3587 let Inst{19-16} = RdHi;
3588 let Inst{15-12} = RdLo;
3589 let Inst{11-8} = Rm;
3593 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3594 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3595 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3597 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3598 Requires<[IsARM, NoV6]>;
3599 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3600 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3602 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3603 Requires<[IsARM, NoV6]>;
3604 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3605 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3607 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3608 Requires<[IsARM, NoV6]>;
3611 } // neverHasSideEffects
3613 // Most significant word multiply
3614 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3615 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3616 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3617 Requires<[IsARM, HasV6]> {
3618 let Inst{15-12} = 0b1111;
3621 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3622 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3623 Requires<[IsARM, HasV6]> {
3624 let Inst{15-12} = 0b1111;
3627 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3628 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3629 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3630 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3631 Requires<[IsARM, HasV6]>;
3633 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3634 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3635 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3636 Requires<[IsARM, HasV6]>;
3638 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3639 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3640 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3641 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3642 Requires<[IsARM, HasV6]>;
3644 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3645 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3646 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3647 Requires<[IsARM, HasV6]>;
3649 multiclass AI_smul<string opc, PatFrag opnode> {
3650 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3651 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3652 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3653 (sext_inreg GPR:$Rm, i16)))]>,
3654 Requires<[IsARM, HasV5TE]>;
3656 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3657 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3658 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3659 (sra GPR:$Rm, (i32 16))))]>,
3660 Requires<[IsARM, HasV5TE]>;
3662 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3663 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3664 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3665 (sext_inreg GPR:$Rm, i16)))]>,
3666 Requires<[IsARM, HasV5TE]>;
3668 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3669 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3670 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3671 (sra GPR:$Rm, (i32 16))))]>,
3672 Requires<[IsARM, HasV5TE]>;
3674 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3675 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3676 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3677 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3678 Requires<[IsARM, HasV5TE]>;
3680 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3681 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3682 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3683 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3684 Requires<[IsARM, HasV5TE]>;
3688 multiclass AI_smla<string opc, PatFrag opnode> {
3689 let DecoderMethod = "DecodeSMLAInstruction" in {
3690 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3691 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3692 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3693 [(set GPRnopc:$Rd, (add GPR:$Ra,
3694 (opnode (sext_inreg GPRnopc:$Rn, i16),
3695 (sext_inreg GPRnopc:$Rm, i16))))]>,
3696 Requires<[IsARM, HasV5TE]>;
3698 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3699 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3700 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3702 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3703 (sra GPRnopc:$Rm, (i32 16)))))]>,
3704 Requires<[IsARM, HasV5TE]>;
3706 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3707 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3708 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3710 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3711 (sext_inreg GPRnopc:$Rm, i16))))]>,
3712 Requires<[IsARM, HasV5TE]>;
3714 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3715 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3716 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3718 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3719 (sra GPRnopc:$Rm, (i32 16)))))]>,
3720 Requires<[IsARM, HasV5TE]>;
3722 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3723 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3724 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3726 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3727 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3728 Requires<[IsARM, HasV5TE]>;
3730 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3731 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3732 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3734 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3735 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3736 Requires<[IsARM, HasV5TE]>;
3740 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3741 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3743 // Halfword multiply accumulate long: SMLAL<x><y>.
3744 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3745 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3746 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3747 Requires<[IsARM, HasV5TE]>;
3749 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3750 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3751 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3752 Requires<[IsARM, HasV5TE]>;
3754 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3755 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3756 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3757 Requires<[IsARM, HasV5TE]>;
3759 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3760 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3761 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3762 Requires<[IsARM, HasV5TE]>;
3764 // Helper class for AI_smld.
3765 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3766 InstrItinClass itin, string opc, string asm>
3767 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3770 let Inst{27-23} = 0b01110;
3771 let Inst{22} = long;
3772 let Inst{21-20} = 0b00;
3773 let Inst{11-8} = Rm;
3780 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3781 InstrItinClass itin, string opc, string asm>
3782 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3784 let Inst{15-12} = 0b1111;
3785 let Inst{19-16} = Rd;
3787 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3788 InstrItinClass itin, string opc, string asm>
3789 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3792 let Inst{19-16} = Rd;
3793 let Inst{15-12} = Ra;
3795 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3796 InstrItinClass itin, string opc, string asm>
3797 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3800 let Inst{19-16} = RdHi;
3801 let Inst{15-12} = RdLo;
3804 multiclass AI_smld<bit sub, string opc> {
3806 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3807 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3808 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3810 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3811 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3812 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3814 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3815 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3816 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3818 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3819 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3820 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3824 defm SMLA : AI_smld<0, "smla">;
3825 defm SMLS : AI_smld<1, "smls">;
3827 multiclass AI_sdml<bit sub, string opc> {
3829 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3830 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3831 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3832 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3835 defm SMUA : AI_sdml<0, "smua">;
3836 defm SMUS : AI_sdml<1, "smus">;
3838 //===----------------------------------------------------------------------===//
3839 // Misc. Arithmetic Instructions.
3842 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3843 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3844 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3846 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3847 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3848 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3849 Requires<[IsARM, HasV6T2]>;
3851 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3852 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3853 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3855 let AddedComplexity = 5 in
3856 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3857 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3858 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3859 Requires<[IsARM, HasV6]>;
3861 let AddedComplexity = 5 in
3862 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3863 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3864 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3865 Requires<[IsARM, HasV6]>;
3867 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3868 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3871 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3872 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3873 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3874 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3875 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3877 Requires<[IsARM, HasV6]>;
3879 // Alternate cases for PKHBT where identities eliminate some nodes.
3880 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3881 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3882 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3883 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3885 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3886 // will match the pattern below.
3887 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3888 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3889 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3890 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3891 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3893 Requires<[IsARM, HasV6]>;
3895 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3896 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3897 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3898 (srl GPRnopc:$src2, imm16_31:$sh)),
3899 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
3900 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3901 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
3902 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
3904 //===----------------------------------------------------------------------===//
3905 // Comparison Instructions...
3908 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3909 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3910 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3912 // ARMcmpZ can re-use the above instruction definitions.
3913 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3914 (CMPri GPR:$src, so_imm:$imm)>;
3915 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3916 (CMPrr GPR:$src, GPR:$rhs)>;
3917 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3918 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3919 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3920 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3922 // FIXME: We have to be careful when using the CMN instruction and comparison
3923 // with 0. One would expect these two pieces of code should give identical
3939 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3940 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3941 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3942 // value of r0 and the carry bit (because the "carry bit" parameter to
3943 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3944 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3945 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3946 // parameter to AddWithCarry is defined as 0).
3948 // When x is 0 and unsigned:
3952 // ~x + 1 = 0x1 0000 0000
3953 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3955 // Therefore, we should disable CMN when comparing against zero, until we can
3956 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3957 // when it's a comparison which doesn't look at the 'carry' flag).
3959 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3961 // This is related to <rdar://problem/7569620>.
3963 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3964 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3966 // Note that TST/TEQ don't set all the same flags that CMP does!
3967 defm TST : AI1_cmp_irs<0b1000, "tst",
3968 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3969 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3970 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3971 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3972 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3974 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3975 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3976 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3978 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3979 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3981 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3982 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3984 // Pseudo i64 compares for some floating point compares.
3985 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3987 def BCCi64 : PseudoInst<(outs),
3988 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3990 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3992 def BCCZi64 : PseudoInst<(outs),
3993 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3994 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3995 } // usesCustomInserter
3998 // Conditional moves
3999 // FIXME: should be able to write a pattern for ARMcmov, but can't use
4000 // a two-value operand where a dag node expects two operands. :(
4001 let neverHasSideEffects = 1 in {
4002 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
4004 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
4005 RegConstraint<"$false = $Rd">;
4006 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4007 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
4009 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
4010 imm:$cc, CCR:$ccr))*/]>,
4011 RegConstraint<"$false = $Rd">;
4012 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4013 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
4015 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4016 imm:$cc, CCR:$ccr))*/]>,
4017 RegConstraint<"$false = $Rd">;
4020 let isMoveImm = 1 in
4021 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
4022 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
4025 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4027 let isMoveImm = 1 in
4028 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4029 (ins GPR:$false, so_imm:$imm, pred:$p),
4031 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
4032 RegConstraint<"$false = $Rd">;
4034 // Two instruction predicate mov immediate.
4035 let isMoveImm = 1 in
4036 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
4037 (ins GPR:$false, i32imm:$src, pred:$p),
4038 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
4040 let isMoveImm = 1 in
4041 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4042 (ins GPR:$false, so_imm:$imm, pred:$p),
4044 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
4045 RegConstraint<"$false = $Rd">;
4046 } // neverHasSideEffects
4048 //===----------------------------------------------------------------------===//
4049 // Atomic operations intrinsics
4052 def MemBarrierOptOperand : AsmOperandClass {
4053 let Name = "MemBarrierOpt";
4054 let ParserMethod = "parseMemBarrierOptOperand";
4056 def memb_opt : Operand<i32> {
4057 let PrintMethod = "printMemBOption";
4058 let ParserMatchClass = MemBarrierOptOperand;
4059 let DecoderMethod = "DecodeMemBarrierOption";
4062 // memory barriers protect the atomic sequences
4063 let hasSideEffects = 1 in {
4064 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4065 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
4066 Requires<[IsARM, HasDB]> {
4068 let Inst{31-4} = 0xf57ff05;
4069 let Inst{3-0} = opt;
4073 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4074 "dsb", "\t$opt", []>,
4075 Requires<[IsARM, HasDB]> {
4077 let Inst{31-4} = 0xf57ff04;
4078 let Inst{3-0} = opt;
4081 // ISB has only full system option
4082 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4083 "isb", "\t$opt", []>,
4084 Requires<[IsARM, HasDB]> {
4086 let Inst{31-4} = 0xf57ff06;
4087 let Inst{3-0} = opt;
4090 // Pseudo isntruction that combines movs + predicated rsbmi
4091 // to implement integer ABS
4092 let usesCustomInserter = 1, Defs = [CPSR] in {
4093 def ABS : ARMPseudoInst<
4094 (outs GPR:$dst), (ins GPR:$src),
4095 8, NoItinerary, []>;
4098 let usesCustomInserter = 1 in {
4099 let Defs = [CPSR] in {
4100 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4101 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4102 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4103 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4104 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4105 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4106 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4107 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4108 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4109 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4110 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4111 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4112 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4113 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4114 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4115 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4116 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4117 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4118 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4119 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4120 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4121 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4122 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4123 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4124 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4125 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4126 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4127 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4128 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4129 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4130 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4131 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4132 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4133 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4134 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4135 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4136 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4137 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4138 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4139 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4140 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4141 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4142 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4143 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4144 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4145 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4146 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4147 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4148 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4149 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4150 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4151 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4152 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4153 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4154 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4155 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4156 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4157 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4158 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4159 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4160 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4161 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4162 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4163 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4164 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4165 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4166 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4167 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4168 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4169 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4170 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4171 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4172 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4173 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4174 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4175 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4176 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4177 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4178 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4179 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4180 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4181 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4182 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4183 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4184 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4185 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4186 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4187 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4188 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4189 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4191 def ATOMIC_SWAP_I8 : PseudoInst<
4192 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4193 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4194 def ATOMIC_SWAP_I16 : PseudoInst<
4195 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4196 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4197 def ATOMIC_SWAP_I32 : PseudoInst<
4198 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4199 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4201 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4202 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4203 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4204 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4205 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4206 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4207 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4208 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4209 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4213 let mayLoad = 1 in {
4214 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4216 "ldrexb", "\t$Rt, $addr", []>;
4217 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4218 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4219 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4220 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4221 let hasExtraDefRegAllocReq = 1 in
4222 def LDREXD: AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2),(ins addr_offset_none:$addr),
4223 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []> {
4224 let DecoderMethod = "DecodeDoubleRegLoad";
4228 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4229 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4230 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4231 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4232 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4233 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4234 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4237 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
4238 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4239 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
4240 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []> {
4241 let DecoderMethod = "DecodeDoubleRegStore";
4244 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
4245 Requires<[IsARM, HasV7]> {
4246 let Inst{31-0} = 0b11110101011111111111000000011111;
4249 // SWP/SWPB are deprecated in V6/V7.
4250 let mayLoad = 1, mayStore = 1 in {
4251 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4253 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4257 //===----------------------------------------------------------------------===//
4258 // Coprocessor Instructions.
4261 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4262 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4263 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4264 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4265 imm:$CRm, imm:$opc2)]> {
4273 let Inst{3-0} = CRm;
4275 let Inst{7-5} = opc2;
4276 let Inst{11-8} = cop;
4277 let Inst{15-12} = CRd;
4278 let Inst{19-16} = CRn;
4279 let Inst{23-20} = opc1;
4282 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4283 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4284 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4285 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4286 imm:$CRm, imm:$opc2)]> {
4287 let Inst{31-28} = 0b1111;
4295 let Inst{3-0} = CRm;
4297 let Inst{7-5} = opc2;
4298 let Inst{11-8} = cop;
4299 let Inst{15-12} = CRd;
4300 let Inst{19-16} = CRn;
4301 let Inst{23-20} = opc1;
4304 class ACI<dag oops, dag iops, string opc, string asm,
4305 IndexMode im = IndexModeNone>
4306 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4308 let Inst{27-25} = 0b110;
4310 class ACInoP<dag oops, dag iops, string opc, string asm,
4311 IndexMode im = IndexModeNone>
4312 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4314 let Inst{31-28} = 0b1111;
4315 let Inst{27-25} = 0b110;
4317 multiclass LdStCop<bit load, bit Dbit, string asm> {
4318 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4319 asm, "\t$cop, $CRd, $addr"> {
4323 let Inst{24} = 1; // P = 1
4324 let Inst{23} = addr{8};
4325 let Inst{22} = Dbit;
4326 let Inst{21} = 0; // W = 0
4327 let Inst{20} = load;
4328 let Inst{19-16} = addr{12-9};
4329 let Inst{15-12} = CRd;
4330 let Inst{11-8} = cop;
4331 let Inst{7-0} = addr{7-0};
4332 let DecoderMethod = "DecodeCopMemInstruction";
4334 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4335 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4339 let Inst{24} = 1; // P = 1
4340 let Inst{23} = addr{8};
4341 let Inst{22} = Dbit;
4342 let Inst{21} = 1; // W = 1
4343 let Inst{20} = load;
4344 let Inst{19-16} = addr{12-9};
4345 let Inst{15-12} = CRd;
4346 let Inst{11-8} = cop;
4347 let Inst{7-0} = addr{7-0};
4348 let DecoderMethod = "DecodeCopMemInstruction";
4350 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4351 postidx_imm8s4:$offset),
4352 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4357 let Inst{24} = 0; // P = 0
4358 let Inst{23} = offset{8};
4359 let Inst{22} = Dbit;
4360 let Inst{21} = 1; // W = 1
4361 let Inst{20} = load;
4362 let Inst{19-16} = addr;
4363 let Inst{15-12} = CRd;
4364 let Inst{11-8} = cop;
4365 let Inst{7-0} = offset{7-0};
4366 let DecoderMethod = "DecodeCopMemInstruction";
4368 def _OPTION : ACI<(outs),
4369 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4370 coproc_option_imm:$option),
4371 asm, "\t$cop, $CRd, $addr, $option"> {
4376 let Inst{24} = 0; // P = 0
4377 let Inst{23} = 1; // U = 1
4378 let Inst{22} = Dbit;
4379 let Inst{21} = 0; // W = 0
4380 let Inst{20} = load;
4381 let Inst{19-16} = addr;
4382 let Inst{15-12} = CRd;
4383 let Inst{11-8} = cop;
4384 let Inst{7-0} = option;
4385 let DecoderMethod = "DecodeCopMemInstruction";
4388 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4389 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4390 asm, "\t$cop, $CRd, $addr"> {
4394 let Inst{24} = 1; // P = 1
4395 let Inst{23} = addr{8};
4396 let Inst{22} = Dbit;
4397 let Inst{21} = 0; // W = 0
4398 let Inst{20} = load;
4399 let Inst{19-16} = addr{12-9};
4400 let Inst{15-12} = CRd;
4401 let Inst{11-8} = cop;
4402 let Inst{7-0} = addr{7-0};
4403 let DecoderMethod = "DecodeCopMemInstruction";
4405 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4406 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4410 let Inst{24} = 1; // P = 1
4411 let Inst{23} = addr{8};
4412 let Inst{22} = Dbit;
4413 let Inst{21} = 1; // W = 1
4414 let Inst{20} = load;
4415 let Inst{19-16} = addr{12-9};
4416 let Inst{15-12} = CRd;
4417 let Inst{11-8} = cop;
4418 let Inst{7-0} = addr{7-0};
4419 let DecoderMethod = "DecodeCopMemInstruction";
4421 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4422 postidx_imm8s4:$offset),
4423 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4428 let Inst{24} = 0; // P = 0
4429 let Inst{23} = offset{8};
4430 let Inst{22} = Dbit;
4431 let Inst{21} = 1; // W = 1
4432 let Inst{20} = load;
4433 let Inst{19-16} = addr;
4434 let Inst{15-12} = CRd;
4435 let Inst{11-8} = cop;
4436 let Inst{7-0} = offset{7-0};
4437 let DecoderMethod = "DecodeCopMemInstruction";
4439 def _OPTION : ACInoP<(outs),
4440 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4441 coproc_option_imm:$option),
4442 asm, "\t$cop, $CRd, $addr, $option"> {
4447 let Inst{24} = 0; // P = 0
4448 let Inst{23} = 1; // U = 1
4449 let Inst{22} = Dbit;
4450 let Inst{21} = 0; // W = 0
4451 let Inst{20} = load;
4452 let Inst{19-16} = addr;
4453 let Inst{15-12} = CRd;
4454 let Inst{11-8} = cop;
4455 let Inst{7-0} = option;
4456 let DecoderMethod = "DecodeCopMemInstruction";
4460 defm LDC : LdStCop <1, 0, "ldc">;
4461 defm LDCL : LdStCop <1, 1, "ldcl">;
4462 defm STC : LdStCop <0, 0, "stc">;
4463 defm STCL : LdStCop <0, 1, "stcl">;
4464 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4465 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4466 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4467 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4469 //===----------------------------------------------------------------------===//
4470 // Move between coprocessor and ARM core register.
4473 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4475 : ABI<0b1110, oops, iops, NoItinerary, opc,
4476 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4477 let Inst{20} = direction;
4487 let Inst{15-12} = Rt;
4488 let Inst{11-8} = cop;
4489 let Inst{23-21} = opc1;
4490 let Inst{7-5} = opc2;
4491 let Inst{3-0} = CRm;
4492 let Inst{19-16} = CRn;
4495 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4497 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4498 c_imm:$CRm, imm0_7:$opc2),
4499 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4500 imm:$CRm, imm:$opc2)]>;
4501 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4503 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4506 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4507 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4509 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4511 : ABXI<0b1110, oops, iops, NoItinerary,
4512 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4513 let Inst{31-28} = 0b1111;
4514 let Inst{20} = direction;
4524 let Inst{15-12} = Rt;
4525 let Inst{11-8} = cop;
4526 let Inst{23-21} = opc1;
4527 let Inst{7-5} = opc2;
4528 let Inst{3-0} = CRm;
4529 let Inst{19-16} = CRn;
4532 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4534 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4535 c_imm:$CRm, imm0_7:$opc2),
4536 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4537 imm:$CRm, imm:$opc2)]>;
4538 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4540 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4543 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4544 imm:$CRm, imm:$opc2),
4545 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4547 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4548 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4549 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
4550 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4551 let Inst{23-21} = 0b010;
4552 let Inst{20} = direction;
4560 let Inst{15-12} = Rt;
4561 let Inst{19-16} = Rt2;
4562 let Inst{11-8} = cop;
4563 let Inst{7-4} = opc1;
4564 let Inst{3-0} = CRm;
4567 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4568 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4570 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4572 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4573 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4574 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4575 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4576 let Inst{31-28} = 0b1111;
4577 let Inst{23-21} = 0b010;
4578 let Inst{20} = direction;
4586 let Inst{15-12} = Rt;
4587 let Inst{19-16} = Rt2;
4588 let Inst{11-8} = cop;
4589 let Inst{7-4} = opc1;
4590 let Inst{3-0} = CRm;
4593 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4594 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4596 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4598 //===----------------------------------------------------------------------===//
4599 // Move between special register and ARM core register
4602 // Move to ARM core register from Special Register
4603 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4604 "mrs", "\t$Rd, apsr", []> {
4606 let Inst{23-16} = 0b00001111;
4607 let Inst{15-12} = Rd;
4608 let Inst{7-4} = 0b0000;
4611 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4613 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4614 "mrs", "\t$Rd, spsr", []> {
4616 let Inst{23-16} = 0b01001111;
4617 let Inst{15-12} = Rd;
4618 let Inst{7-4} = 0b0000;
4621 // Move from ARM core register to Special Register
4623 // No need to have both system and application versions, the encodings are the
4624 // same and the assembly parser has no way to distinguish between them. The mask
4625 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4626 // the mask with the fields to be accessed in the special register.
4627 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4628 "msr", "\t$mask, $Rn", []> {
4633 let Inst{22} = mask{4}; // R bit
4634 let Inst{21-20} = 0b10;
4635 let Inst{19-16} = mask{3-0};
4636 let Inst{15-12} = 0b1111;
4637 let Inst{11-4} = 0b00000000;
4641 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4642 "msr", "\t$mask, $a", []> {
4647 let Inst{22} = mask{4}; // R bit
4648 let Inst{21-20} = 0b10;
4649 let Inst{19-16} = mask{3-0};
4650 let Inst{15-12} = 0b1111;
4654 //===----------------------------------------------------------------------===//
4658 // __aeabi_read_tp preserves the registers r1-r3.
4659 // This is a pseudo inst so that we can get the encoding right,
4660 // complete with fixup for the aeabi_read_tp function.
4662 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4663 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4664 [(set R0, ARMthread_pointer)]>;
4667 //===----------------------------------------------------------------------===//
4668 // SJLJ Exception handling intrinsics
4669 // eh_sjlj_setjmp() is an instruction sequence to store the return
4670 // address and save #0 in R0 for the non-longjmp case.
4671 // Since by its nature we may be coming from some other function to get
4672 // here, and we're using the stack frame for the containing function to
4673 // save/restore registers, we can't keep anything live in regs across
4674 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4675 // when we get here from a longjmp(). We force everything out of registers
4676 // except for our own input by listing the relevant registers in Defs. By
4677 // doing so, we also cause the prologue/epilogue code to actively preserve
4678 // all of the callee-saved resgisters, which is exactly what we want.
4679 // A constant value is passed in $val, and we use the location as a scratch.
4681 // These are pseudo-instructions and are lowered to individual MC-insts, so
4682 // no encoding information is necessary.
4684 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4685 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1,
4686 usesCustomInserter = 1 in {
4687 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4689 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4690 Requires<[IsARM, HasVFP2]>;
4694 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4695 hasSideEffects = 1, isBarrier = 1 in {
4696 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4698 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4699 Requires<[IsARM, NoVFP]>;
4702 // FIXME: Non-Darwin version(s)
4703 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4704 Defs = [ R7, LR, SP ] in {
4705 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4707 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4708 Requires<[IsARM, IsDarwin]>;
4711 // eh.sjlj.dispatchsetup pseudo-instruction.
4712 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4713 // handled when the pseudo is expanded (which happens before any passes
4714 // that need the instruction size).
4715 let isBarrier = 1 in
4716 def eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
4718 //===----------------------------------------------------------------------===//
4719 // Non-Instruction Patterns
4722 // ARMv4 indirect branch using (MOVr PC, dst)
4723 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4724 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4725 4, IIC_Br, [(brind GPR:$dst)],
4726 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4727 Requires<[IsARM, NoV4T]>;
4729 // Large immediate handling.
4731 // 32-bit immediate using two piece so_imms or movw + movt.
4732 // This is a single pseudo instruction, the benefit is that it can be remat'd
4733 // as a single unit instead of having to handle reg inputs.
4734 // FIXME: Remove this when we can do generalized remat.
4735 let isReMaterializable = 1, isMoveImm = 1 in
4736 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4737 [(set GPR:$dst, (arm_i32imm:$src))]>,
4740 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4741 // It also makes it possible to rematerialize the instructions.
4742 // FIXME: Remove this when we can do generalized remat and when machine licm
4743 // can properly the instructions.
4744 let isReMaterializable = 1 in {
4745 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4747 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4748 Requires<[IsARM, UseMovt]>;
4750 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4752 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4753 Requires<[IsARM, UseMovt]>;
4755 let AddedComplexity = 10 in
4756 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4758 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4759 Requires<[IsARM, UseMovt]>;
4760 } // isReMaterializable
4762 // ConstantPool, GlobalAddress, and JumpTable
4763 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4764 Requires<[IsARM, DontUseMovt]>;
4765 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4766 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4767 Requires<[IsARM, UseMovt]>;
4768 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4769 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4771 // TODO: add,sub,and, 3-instr forms?
4774 def : ARMPat<(ARMtcret tcGPR:$dst),
4775 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4777 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4778 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4780 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4781 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4783 def : ARMPat<(ARMtcret tcGPR:$dst),
4784 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4786 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4787 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4789 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4790 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4793 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4794 Requires<[IsARM, IsNotDarwin]>;
4795 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4796 Requires<[IsARM, IsDarwin]>;
4798 // zextload i1 -> zextload i8
4799 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4800 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4802 // extload -> zextload
4803 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4804 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4805 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4806 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4808 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4810 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4811 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4814 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4815 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4816 (SMULBB GPR:$a, GPR:$b)>;
4817 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4818 (SMULBB GPR:$a, GPR:$b)>;
4819 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4820 (sra GPR:$b, (i32 16))),
4821 (SMULBT GPR:$a, GPR:$b)>;
4822 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4823 (SMULBT GPR:$a, GPR:$b)>;
4824 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4825 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4826 (SMULTB GPR:$a, GPR:$b)>;
4827 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4828 (SMULTB GPR:$a, GPR:$b)>;
4829 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4831 (SMULWB GPR:$a, GPR:$b)>;
4832 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4833 (SMULWB GPR:$a, GPR:$b)>;
4835 def : ARMV5TEPat<(add GPR:$acc,
4836 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4837 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4838 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4839 def : ARMV5TEPat<(add GPR:$acc,
4840 (mul sext_16_node:$a, sext_16_node:$b)),
4841 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4842 def : ARMV5TEPat<(add GPR:$acc,
4843 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4844 (sra GPR:$b, (i32 16)))),
4845 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4846 def : ARMV5TEPat<(add GPR:$acc,
4847 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4848 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4849 def : ARMV5TEPat<(add GPR:$acc,
4850 (mul (sra GPR:$a, (i32 16)),
4851 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4852 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4853 def : ARMV5TEPat<(add GPR:$acc,
4854 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4855 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4856 def : ARMV5TEPat<(add GPR:$acc,
4857 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4859 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4860 def : ARMV5TEPat<(add GPR:$acc,
4861 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4862 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4865 // Pre-v7 uses MCR for synchronization barriers.
4866 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4867 Requires<[IsARM, HasV6]>;
4869 // SXT/UXT with no rotate
4870 let AddedComplexity = 16 in {
4871 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4872 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4873 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4874 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4875 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4876 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4877 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4880 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4881 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4883 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4884 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4885 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4886 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4888 // Atomic load/store patterns
4889 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
4890 (LDRBrs ldst_so_reg:$src)>;
4891 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
4892 (LDRBi12 addrmode_imm12:$src)>;
4893 def : ARMPat<(atomic_load_16 addrmode3:$src),
4894 (LDRH addrmode3:$src)>;
4895 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
4896 (LDRrs ldst_so_reg:$src)>;
4897 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
4898 (LDRi12 addrmode_imm12:$src)>;
4899 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
4900 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
4901 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
4902 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
4903 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
4904 (STRH GPR:$val, addrmode3:$ptr)>;
4905 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
4906 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
4907 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
4908 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
4911 //===----------------------------------------------------------------------===//
4915 include "ARMInstrThumb.td"
4917 //===----------------------------------------------------------------------===//
4921 include "ARMInstrThumb2.td"
4923 //===----------------------------------------------------------------------===//
4924 // Floating Point Support
4927 include "ARMInstrVFP.td"
4929 //===----------------------------------------------------------------------===//
4930 // Advanced SIMD (NEON) Support
4933 include "ARMInstrNEON.td"
4935 //===----------------------------------------------------------------------===//
4936 // Assembler aliases
4940 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4941 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4942 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4944 // System instructions
4945 def : MnemonicAlias<"swi", "svc">;
4947 // Load / Store Multiple
4948 def : MnemonicAlias<"ldmfd", "ldm">;
4949 def : MnemonicAlias<"ldmia", "ldm">;
4950 def : MnemonicAlias<"ldmea", "ldmdb">;
4951 def : MnemonicAlias<"stmfd", "stmdb">;
4952 def : MnemonicAlias<"stmia", "stm">;
4953 def : MnemonicAlias<"stmea", "stm">;
4955 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4956 // shift amount is zero (i.e., unspecified).
4957 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4958 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
4959 Requires<[IsARM, HasV6]>;
4960 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4961 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
4962 Requires<[IsARM, HasV6]>;
4964 // PUSH/POP aliases for STM/LDM
4965 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4966 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4968 // SSAT/USAT optional shift operand.
4969 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4970 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4971 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
4972 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4975 // Extend instruction optional rotate operand.
4976 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
4977 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4978 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
4979 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4980 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
4981 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4982 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
4983 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4984 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
4985 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4986 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
4987 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4989 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
4990 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4991 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
4992 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4993 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
4994 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4995 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
4996 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4997 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
4998 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4999 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5000 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5004 def : MnemonicAlias<"rfefa", "rfeda">;
5005 def : MnemonicAlias<"rfeea", "rfedb">;
5006 def : MnemonicAlias<"rfefd", "rfeia">;
5007 def : MnemonicAlias<"rfeed", "rfeib">;
5008 def : MnemonicAlias<"rfe", "rfeia">;
5011 def : MnemonicAlias<"srsfa", "srsda">;
5012 def : MnemonicAlias<"srsea", "srsdb">;
5013 def : MnemonicAlias<"srsfd", "srsia">;
5014 def : MnemonicAlias<"srsed", "srsib">;
5015 def : MnemonicAlias<"srs", "srsia">;
5018 def : MnemonicAlias<"qsubaddx", "qsax">;
5020 def : MnemonicAlias<"saddsubx", "sasx">;
5021 // SHASX == SHADDSUBX
5022 def : MnemonicAlias<"shaddsubx", "shasx">;
5023 // SHSAX == SHSUBADDX
5024 def : MnemonicAlias<"shsubaddx", "shsax">;
5026 def : MnemonicAlias<"ssubaddx", "ssax">;
5028 def : MnemonicAlias<"uaddsubx", "uasx">;
5029 // UHASX == UHADDSUBX
5030 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5031 // UHSAX == UHSUBADDX
5032 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5033 // UQASX == UQADDSUBX
5034 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5035 // UQSAX == UQSUBADDX
5036 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5038 def : MnemonicAlias<"usubaddx", "usax">;
5040 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5042 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5043 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5045 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5046 // LSR, ROR, and RRX instructions.
5047 // FIXME: We need C++ parser hooks to map the alias to the MOV
5048 // encoding. It seems we should be able to do that sort of thing
5049 // in tblgen, but it could get ugly.
5050 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5051 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5053 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5054 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5056 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5057 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5059 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5060 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5062 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5063 (ins GPRnopc:$Rd, GPRnopc:$Rm, pred:$p, cc_out:$s)>;
5064 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5065 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5067 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5068 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5070 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5071 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5073 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5074 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5076 // shifter instructions also support a two-operand form.
5077 def : ARMInstAlias<"asr${s}${p} $Rm, $imm",
5078 (ASRi GPR:$Rm, GPR:$Rm, imm0_32:$imm, pred:$p, cc_out:$s)>;
5079 def : ARMInstAlias<"lsr${s}${p} $Rm, $imm",
5080 (LSRi GPR:$Rm, GPR:$Rm, imm0_32:$imm, pred:$p, cc_out:$s)>;
5081 def : ARMInstAlias<"lsl${s}${p} $Rm, $imm",
5082 (LSLi GPR:$Rm, GPR:$Rm, imm0_31:$imm, pred:$p, cc_out:$s)>;
5083 def : ARMInstAlias<"ror${s}${p} $Rm, $imm",
5084 (RORi GPR:$Rm, GPR:$Rm, imm0_31:$imm, pred:$p, cc_out:$s)>;
5085 def : ARMInstAlias<"asr${s}${p} $Rn, $Rm",
5086 (ASRr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5088 def : ARMInstAlias<"lsr${s}${p} $Rn, $Rm",
5089 (LSRr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5091 def : ARMInstAlias<"lsl${s}${p} $Rn, $Rm",
5092 (LSLr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5094 def : ARMInstAlias<"ror${s}${p} $Rn, $Rm",
5095 (RORr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5099 // 'mul' instruction can be specified with only two operands.
5100 def : ARMInstAlias<"mul${s}${p} $Rn, $Rm",
5101 (MUL rGPR:$Rn, rGPR:$Rm, rGPR:$Rn, pred:$p, cc_out:$s)>;