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 HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
183 AssemblerPredicate<"FeatureVFP4">;
184 def NoVFP4 : Predicate<"!Subtarget->hasVFP4()">;
185 def HasNEON : Predicate<"Subtarget->hasNEON()">,
186 AssemblerPredicate<"FeatureNEON">;
187 def HasNEON2 : Predicate<"Subtarget->hasNEON2()">,
188 AssemblerPredicate<"FeatureNEON2">;
189 def NoNEON2 : Predicate<"!Subtarget->hasNEON2()">;
190 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
191 AssemblerPredicate<"FeatureFP16">;
192 def HasDivide : Predicate<"Subtarget->hasDivide()">,
193 AssemblerPredicate<"FeatureHWDiv">;
194 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
195 AssemblerPredicate<"FeatureT2XtPk">;
196 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
197 AssemblerPredicate<"FeatureDSPThumb2">;
198 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
199 AssemblerPredicate<"FeatureDB">;
200 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
201 AssemblerPredicate<"FeatureMP">;
202 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
203 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
204 def IsThumb : Predicate<"Subtarget->isThumb()">,
205 AssemblerPredicate<"ModeThumb">;
206 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
207 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
208 AssemblerPredicate<"ModeThumb,FeatureThumb2">;
209 def IsMClass : Predicate<"Subtarget->isMClass()">,
210 AssemblerPredicate<"FeatureMClass">;
211 def IsARClass : Predicate<"!Subtarget->isMClass()">,
212 AssemblerPredicate<"!FeatureMClass">;
213 def IsARM : Predicate<"!Subtarget->isThumb()">,
214 AssemblerPredicate<"!ModeThumb">;
215 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
216 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
217 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
219 // FIXME: Eventually this will be just "hasV6T2Ops".
220 def UseMovt : Predicate<"Subtarget->useMovt()">;
221 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
222 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
224 //===----------------------------------------------------------------------===//
225 // ARM Flag Definitions.
227 class RegConstraint<string C> {
228 string Constraints = C;
231 //===----------------------------------------------------------------------===//
232 // ARM specific transformation functions and pattern fragments.
235 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
236 // so_imm_neg def below.
237 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
238 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
241 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
242 // so_imm_not def below.
243 def so_imm_not_XFORM : SDNodeXForm<imm, [{
244 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
247 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
248 def imm16_31 : ImmLeaf<i32, [{
249 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
252 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
253 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
254 int64_t Value = -(int)N->getZExtValue();
255 return Value && ARM_AM::getSOImmVal(Value) != -1;
256 }], so_imm_neg_XFORM> {
257 let ParserMatchClass = so_imm_neg_asmoperand;
260 // Note: this pattern doesn't require an encoder method and such, as it's
261 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
262 // is handled by the destination instructions, which use so_imm.
263 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
264 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
265 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
266 }], so_imm_not_XFORM> {
267 let ParserMatchClass = so_imm_not_asmoperand;
270 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
271 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
272 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
275 /// Split a 32-bit immediate into two 16 bit parts.
276 def hi16 : SDNodeXForm<imm, [{
277 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
280 def lo16AllZero : PatLeaf<(i32 imm), [{
281 // Returns true if all low 16-bits are 0.
282 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
285 class BinOpWithFlagFrag<dag res> :
286 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
287 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
288 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
290 // An 'and' node with a single use.
291 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
292 return N->hasOneUse();
295 // An 'xor' node with a single use.
296 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
297 return N->hasOneUse();
300 // An 'fmul' node with a single use.
301 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
302 return N->hasOneUse();
305 // An 'fadd' node which checks for single non-hazardous use.
306 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
307 return hasNoVMLxHazardUse(N);
310 // An 'fsub' node which checks for single non-hazardous use.
311 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
312 return hasNoVMLxHazardUse(N);
315 //===----------------------------------------------------------------------===//
316 // Operand Definitions.
319 // Immediate operands with a shared generic asm render method.
320 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
323 // FIXME: rename brtarget to t2_brtarget
324 def brtarget : Operand<OtherVT> {
325 let EncoderMethod = "getBranchTargetOpValue";
326 let OperandType = "OPERAND_PCREL";
327 let DecoderMethod = "DecodeT2BROperand";
330 // FIXME: get rid of this one?
331 def uncondbrtarget : Operand<OtherVT> {
332 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
333 let OperandType = "OPERAND_PCREL";
336 // Branch target for ARM. Handles conditional/unconditional
337 def br_target : Operand<OtherVT> {
338 let EncoderMethod = "getARMBranchTargetOpValue";
339 let OperandType = "OPERAND_PCREL";
343 // FIXME: rename bltarget to t2_bl_target?
344 def bltarget : Operand<i32> {
345 // Encoded the same as branch targets.
346 let EncoderMethod = "getBranchTargetOpValue";
347 let OperandType = "OPERAND_PCREL";
350 // Call target for ARM. Handles conditional/unconditional
351 // FIXME: rename bl_target to t2_bltarget?
352 def bl_target : Operand<i32> {
353 let EncoderMethod = "getARMBLTargetOpValue";
354 let OperandType = "OPERAND_PCREL";
357 def blx_target : Operand<i32> {
358 let EncoderMethod = "getARMBLXTargetOpValue";
359 let OperandType = "OPERAND_PCREL";
362 // A list of registers separated by comma. Used by load/store multiple.
363 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
364 def reglist : Operand<i32> {
365 let EncoderMethod = "getRegisterListOpValue";
366 let ParserMatchClass = RegListAsmOperand;
367 let PrintMethod = "printRegisterList";
368 let DecoderMethod = "DecodeRegListOperand";
371 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
372 def dpr_reglist : Operand<i32> {
373 let EncoderMethod = "getRegisterListOpValue";
374 let ParserMatchClass = DPRRegListAsmOperand;
375 let PrintMethod = "printRegisterList";
376 let DecoderMethod = "DecodeDPRRegListOperand";
379 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
380 def spr_reglist : Operand<i32> {
381 let EncoderMethod = "getRegisterListOpValue";
382 let ParserMatchClass = SPRRegListAsmOperand;
383 let PrintMethod = "printRegisterList";
384 let DecoderMethod = "DecodeSPRRegListOperand";
387 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
388 def cpinst_operand : Operand<i32> {
389 let PrintMethod = "printCPInstOperand";
393 def pclabel : Operand<i32> {
394 let PrintMethod = "printPCLabel";
397 // ADR instruction labels.
398 def adrlabel : Operand<i32> {
399 let EncoderMethod = "getAdrLabelOpValue";
402 def neon_vcvt_imm32 : Operand<i32> {
403 let EncoderMethod = "getNEONVcvtImm32OpValue";
404 let DecoderMethod = "DecodeVCVTImmOperand";
407 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
408 def rot_imm_XFORM: SDNodeXForm<imm, [{
409 switch (N->getZExtValue()){
411 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
412 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
413 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
414 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
417 def RotImmAsmOperand : AsmOperandClass {
419 let ParserMethod = "parseRotImm";
421 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
422 int32_t v = N->getZExtValue();
423 return v == 8 || v == 16 || v == 24; }],
425 let PrintMethod = "printRotImmOperand";
426 let ParserMatchClass = RotImmAsmOperand;
429 // shift_imm: An integer that encodes a shift amount and the type of shift
430 // (asr or lsl). The 6-bit immediate encodes as:
433 // {4-0} imm5 shift amount.
434 // asr #32 encoded as imm5 == 0.
435 def ShifterImmAsmOperand : AsmOperandClass {
436 let Name = "ShifterImm";
437 let ParserMethod = "parseShifterImm";
439 def shift_imm : Operand<i32> {
440 let PrintMethod = "printShiftImmOperand";
441 let ParserMatchClass = ShifterImmAsmOperand;
444 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
445 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
446 def so_reg_reg : Operand<i32>, // reg reg imm
447 ComplexPattern<i32, 3, "SelectRegShifterOperand",
448 [shl, srl, sra, rotr]> {
449 let EncoderMethod = "getSORegRegOpValue";
450 let PrintMethod = "printSORegRegOperand";
451 let DecoderMethod = "DecodeSORegRegOperand";
452 let ParserMatchClass = ShiftedRegAsmOperand;
453 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
456 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
457 def so_reg_imm : Operand<i32>, // reg imm
458 ComplexPattern<i32, 2, "SelectImmShifterOperand",
459 [shl, srl, sra, rotr]> {
460 let EncoderMethod = "getSORegImmOpValue";
461 let PrintMethod = "printSORegImmOperand";
462 let DecoderMethod = "DecodeSORegImmOperand";
463 let ParserMatchClass = ShiftedImmAsmOperand;
464 let MIOperandInfo = (ops GPR, i32imm);
467 // FIXME: Does this need to be distinct from so_reg?
468 def shift_so_reg_reg : Operand<i32>, // reg reg imm
469 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
470 [shl,srl,sra,rotr]> {
471 let EncoderMethod = "getSORegRegOpValue";
472 let PrintMethod = "printSORegRegOperand";
473 let DecoderMethod = "DecodeSORegRegOperand";
474 let ParserMatchClass = ShiftedRegAsmOperand;
475 let MIOperandInfo = (ops GPR, GPR, i32imm);
478 // FIXME: Does this need to be distinct from so_reg?
479 def shift_so_reg_imm : Operand<i32>, // reg reg imm
480 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
481 [shl,srl,sra,rotr]> {
482 let EncoderMethod = "getSORegImmOpValue";
483 let PrintMethod = "printSORegImmOperand";
484 let DecoderMethod = "DecodeSORegImmOperand";
485 let ParserMatchClass = ShiftedImmAsmOperand;
486 let MIOperandInfo = (ops GPR, i32imm);
490 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
491 // 8-bit immediate rotated by an arbitrary number of bits.
492 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
493 def so_imm : Operand<i32>, ImmLeaf<i32, [{
494 return ARM_AM::getSOImmVal(Imm) != -1;
496 let EncoderMethod = "getSOImmOpValue";
497 let ParserMatchClass = SOImmAsmOperand;
498 let DecoderMethod = "DecodeSOImmOperand";
501 // Break so_imm's up into two pieces. This handles immediates with up to 16
502 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
503 // get the first/second pieces.
504 def so_imm2part : PatLeaf<(imm), [{
505 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
508 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
510 def arm_i32imm : PatLeaf<(imm), [{
511 if (Subtarget->hasV6T2Ops())
513 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
516 /// imm0_1 predicate - Immediate in the range [0,1].
517 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
518 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
520 /// imm0_3 predicate - Immediate in the range [0,3].
521 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
522 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
524 /// imm0_7 predicate - Immediate in the range [0,7].
525 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
526 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
527 return Imm >= 0 && Imm < 8;
529 let ParserMatchClass = Imm0_7AsmOperand;
532 /// imm8 predicate - Immediate is exactly 8.
533 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
534 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
535 let ParserMatchClass = Imm8AsmOperand;
538 /// imm16 predicate - Immediate is exactly 16.
539 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
540 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
541 let ParserMatchClass = Imm16AsmOperand;
544 /// imm32 predicate - Immediate is exactly 32.
545 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
546 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
547 let ParserMatchClass = Imm32AsmOperand;
550 /// imm1_7 predicate - Immediate in the range [1,7].
551 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
552 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
553 let ParserMatchClass = Imm1_7AsmOperand;
556 /// imm1_15 predicate - Immediate in the range [1,15].
557 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
558 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
559 let ParserMatchClass = Imm1_15AsmOperand;
562 /// imm1_31 predicate - Immediate in the range [1,31].
563 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
564 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
565 let ParserMatchClass = Imm1_31AsmOperand;
568 /// imm0_15 predicate - Immediate in the range [0,15].
569 def Imm0_15AsmOperand: ImmAsmOperand { let Name = "Imm0_15"; }
570 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
571 return Imm >= 0 && Imm < 16;
573 let ParserMatchClass = Imm0_15AsmOperand;
576 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
577 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
578 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
579 return Imm >= 0 && Imm < 32;
581 let ParserMatchClass = Imm0_31AsmOperand;
584 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
585 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
586 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
587 return Imm >= 0 && Imm < 32;
589 let ParserMatchClass = Imm0_32AsmOperand;
592 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
593 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
594 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
595 return Imm >= 0 && Imm < 64;
597 let ParserMatchClass = Imm0_63AsmOperand;
600 /// imm0_255 predicate - Immediate in the range [0,255].
601 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
602 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
603 let ParserMatchClass = Imm0_255AsmOperand;
606 /// imm0_65535 - An immediate is in the range [0.65535].
607 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
608 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
609 return Imm >= 0 && Imm < 65536;
611 let ParserMatchClass = Imm0_65535AsmOperand;
614 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
615 // a relocatable expression.
617 // FIXME: This really needs a Thumb version separate from the ARM version.
618 // While the range is the same, and can thus use the same match class,
619 // the encoding is different so it should have a different encoder method.
620 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
621 def imm0_65535_expr : Operand<i32> {
622 let EncoderMethod = "getHiLo16ImmOpValue";
623 let ParserMatchClass = Imm0_65535ExprAsmOperand;
626 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
627 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
628 def imm24b : Operand<i32>, ImmLeaf<i32, [{
629 return Imm >= 0 && Imm <= 0xffffff;
631 let ParserMatchClass = Imm24bitAsmOperand;
635 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
637 def BitfieldAsmOperand : AsmOperandClass {
638 let Name = "Bitfield";
639 let ParserMethod = "parseBitfield";
642 def bf_inv_mask_imm : Operand<i32>,
644 return ARM::isBitFieldInvertedMask(N->getZExtValue());
646 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
647 let PrintMethod = "printBitfieldInvMaskImmOperand";
648 let DecoderMethod = "DecodeBitfieldMaskOperand";
649 let ParserMatchClass = BitfieldAsmOperand;
652 def imm1_32_XFORM: SDNodeXForm<imm, [{
653 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
655 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
656 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
657 uint64_t Imm = N->getZExtValue();
658 return Imm > 0 && Imm <= 32;
661 let PrintMethod = "printImmPlusOneOperand";
662 let ParserMatchClass = Imm1_32AsmOperand;
665 def imm1_16_XFORM: SDNodeXForm<imm, [{
666 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
668 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
669 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
671 let PrintMethod = "printImmPlusOneOperand";
672 let ParserMatchClass = Imm1_16AsmOperand;
675 // Define ARM specific addressing modes.
676 // addrmode_imm12 := reg +/- imm12
678 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
679 def addrmode_imm12 : Operand<i32>,
680 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
681 // 12-bit immediate operand. Note that instructions using this encode
682 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
683 // immediate values are as normal.
685 let EncoderMethod = "getAddrModeImm12OpValue";
686 let PrintMethod = "printAddrModeImm12Operand";
687 let DecoderMethod = "DecodeAddrModeImm12Operand";
688 let ParserMatchClass = MemImm12OffsetAsmOperand;
689 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
691 // ldst_so_reg := reg +/- reg shop imm
693 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
694 def ldst_so_reg : Operand<i32>,
695 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
696 let EncoderMethod = "getLdStSORegOpValue";
697 // FIXME: Simplify the printer
698 let PrintMethod = "printAddrMode2Operand";
699 let DecoderMethod = "DecodeSORegMemOperand";
700 let ParserMatchClass = MemRegOffsetAsmOperand;
701 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
704 // postidx_imm8 := +/- [0,255]
707 // {8} 1 is imm8 is non-negative. 0 otherwise.
708 // {7-0} [0,255] imm8 value.
709 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
710 def postidx_imm8 : Operand<i32> {
711 let PrintMethod = "printPostIdxImm8Operand";
712 let ParserMatchClass = PostIdxImm8AsmOperand;
713 let MIOperandInfo = (ops i32imm);
716 // postidx_imm8s4 := +/- [0,1020]
719 // {8} 1 is imm8 is non-negative. 0 otherwise.
720 // {7-0} [0,255] imm8 value, scaled by 4.
721 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
722 def postidx_imm8s4 : Operand<i32> {
723 let PrintMethod = "printPostIdxImm8s4Operand";
724 let ParserMatchClass = PostIdxImm8s4AsmOperand;
725 let MIOperandInfo = (ops i32imm);
729 // postidx_reg := +/- reg
731 def PostIdxRegAsmOperand : AsmOperandClass {
732 let Name = "PostIdxReg";
733 let ParserMethod = "parsePostIdxReg";
735 def postidx_reg : Operand<i32> {
736 let EncoderMethod = "getPostIdxRegOpValue";
737 let DecoderMethod = "DecodePostIdxReg";
738 let PrintMethod = "printPostIdxRegOperand";
739 let ParserMatchClass = PostIdxRegAsmOperand;
740 let MIOperandInfo = (ops GPRnopc, i32imm);
744 // addrmode2 := reg +/- imm12
745 // := reg +/- reg shop imm
747 // FIXME: addrmode2 should be refactored the rest of the way to always
748 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
749 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
750 def addrmode2 : Operand<i32>,
751 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
752 let EncoderMethod = "getAddrMode2OpValue";
753 let PrintMethod = "printAddrMode2Operand";
754 let ParserMatchClass = AddrMode2AsmOperand;
755 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
758 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
759 let Name = "PostIdxRegShifted";
760 let ParserMethod = "parsePostIdxReg";
762 def am2offset_reg : Operand<i32>,
763 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
764 [], [SDNPWantRoot]> {
765 let EncoderMethod = "getAddrMode2OffsetOpValue";
766 let PrintMethod = "printAddrMode2OffsetOperand";
767 // When using this for assembly, it's always as a post-index offset.
768 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
769 let MIOperandInfo = (ops GPRnopc, i32imm);
772 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
773 // the GPR is purely vestigal at this point.
774 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
775 def am2offset_imm : Operand<i32>,
776 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
777 [], [SDNPWantRoot]> {
778 let EncoderMethod = "getAddrMode2OffsetOpValue";
779 let PrintMethod = "printAddrMode2OffsetOperand";
780 let ParserMatchClass = AM2OffsetImmAsmOperand;
781 let MIOperandInfo = (ops GPRnopc, i32imm);
785 // addrmode3 := reg +/- reg
786 // addrmode3 := reg +/- imm8
788 // FIXME: split into imm vs. reg versions.
789 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
790 def addrmode3 : Operand<i32>,
791 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
792 let EncoderMethod = "getAddrMode3OpValue";
793 let PrintMethod = "printAddrMode3Operand";
794 let ParserMatchClass = AddrMode3AsmOperand;
795 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
798 // FIXME: split into imm vs. reg versions.
799 // FIXME: parser method to handle +/- register.
800 def AM3OffsetAsmOperand : AsmOperandClass {
801 let Name = "AM3Offset";
802 let ParserMethod = "parseAM3Offset";
804 def am3offset : Operand<i32>,
805 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
806 [], [SDNPWantRoot]> {
807 let EncoderMethod = "getAddrMode3OffsetOpValue";
808 let PrintMethod = "printAddrMode3OffsetOperand";
809 let ParserMatchClass = AM3OffsetAsmOperand;
810 let MIOperandInfo = (ops GPR, i32imm);
813 // ldstm_mode := {ia, ib, da, db}
815 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
816 let EncoderMethod = "getLdStmModeOpValue";
817 let PrintMethod = "printLdStmModeOperand";
820 // addrmode5 := reg +/- imm8*4
822 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
823 def addrmode5 : Operand<i32>,
824 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
825 let PrintMethod = "printAddrMode5Operand";
826 let EncoderMethod = "getAddrMode5OpValue";
827 let DecoderMethod = "DecodeAddrMode5Operand";
828 let ParserMatchClass = AddrMode5AsmOperand;
829 let MIOperandInfo = (ops GPR:$base, i32imm);
832 // addrmode6 := reg with optional alignment
834 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
835 def addrmode6 : Operand<i32>,
836 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
837 let PrintMethod = "printAddrMode6Operand";
838 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
839 let EncoderMethod = "getAddrMode6AddressOpValue";
840 let DecoderMethod = "DecodeAddrMode6Operand";
841 let ParserMatchClass = AddrMode6AsmOperand;
844 def am6offset : Operand<i32>,
845 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
846 [], [SDNPWantRoot]> {
847 let PrintMethod = "printAddrMode6OffsetOperand";
848 let MIOperandInfo = (ops GPR);
849 let EncoderMethod = "getAddrMode6OffsetOpValue";
850 let DecoderMethod = "DecodeGPRRegisterClass";
853 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
854 // (single element from one lane) for size 32.
855 def addrmode6oneL32 : Operand<i32>,
856 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
857 let PrintMethod = "printAddrMode6Operand";
858 let MIOperandInfo = (ops GPR:$addr, i32imm);
859 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
862 // Special version of addrmode6 to handle alignment encoding for VLD-dup
863 // instructions, specifically VLD4-dup.
864 def addrmode6dup : Operand<i32>,
865 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
866 let PrintMethod = "printAddrMode6Operand";
867 let MIOperandInfo = (ops GPR:$addr, i32imm);
868 let EncoderMethod = "getAddrMode6DupAddressOpValue";
869 // FIXME: This is close, but not quite right. The alignment specifier is
871 let ParserMatchClass = AddrMode6AsmOperand;
874 // addrmodepc := pc + reg
876 def addrmodepc : Operand<i32>,
877 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
878 let PrintMethod = "printAddrModePCOperand";
879 let MIOperandInfo = (ops GPR, i32imm);
882 // addr_offset_none := reg
884 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
885 def addr_offset_none : Operand<i32>,
886 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
887 let PrintMethod = "printAddrMode7Operand";
888 let DecoderMethod = "DecodeAddrMode7Operand";
889 let ParserMatchClass = MemNoOffsetAsmOperand;
890 let MIOperandInfo = (ops GPR:$base);
893 def nohash_imm : Operand<i32> {
894 let PrintMethod = "printNoHashImmediate";
897 def CoprocNumAsmOperand : AsmOperandClass {
898 let Name = "CoprocNum";
899 let ParserMethod = "parseCoprocNumOperand";
901 def p_imm : Operand<i32> {
902 let PrintMethod = "printPImmediate";
903 let ParserMatchClass = CoprocNumAsmOperand;
904 let DecoderMethod = "DecodeCoprocessor";
907 def CoprocRegAsmOperand : AsmOperandClass {
908 let Name = "CoprocReg";
909 let ParserMethod = "parseCoprocRegOperand";
911 def c_imm : Operand<i32> {
912 let PrintMethod = "printCImmediate";
913 let ParserMatchClass = CoprocRegAsmOperand;
915 def CoprocOptionAsmOperand : AsmOperandClass {
916 let Name = "CoprocOption";
917 let ParserMethod = "parseCoprocOptionOperand";
919 def coproc_option_imm : Operand<i32> {
920 let PrintMethod = "printCoprocOptionImm";
921 let ParserMatchClass = CoprocOptionAsmOperand;
924 //===----------------------------------------------------------------------===//
926 include "ARMInstrFormats.td"
928 //===----------------------------------------------------------------------===//
929 // Multiclass helpers...
932 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
933 /// binop that produces a value.
934 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
935 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
936 PatFrag opnode, string baseOpc, bit Commutable = 0> {
937 // The register-immediate version is re-materializable. This is useful
938 // in particular for taking the address of a local.
939 let isReMaterializable = 1 in {
940 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
941 iii, opc, "\t$Rd, $Rn, $imm",
942 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
947 let Inst{19-16} = Rn;
948 let Inst{15-12} = Rd;
949 let Inst{11-0} = imm;
952 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
953 iir, opc, "\t$Rd, $Rn, $Rm",
954 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
959 let isCommutable = Commutable;
960 let Inst{19-16} = Rn;
961 let Inst{15-12} = Rd;
962 let Inst{11-4} = 0b00000000;
966 def rsi : AsI1<opcod, (outs GPR:$Rd),
967 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
968 iis, opc, "\t$Rd, $Rn, $shift",
969 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
974 let Inst{19-16} = Rn;
975 let Inst{15-12} = Rd;
976 let Inst{11-5} = shift{11-5};
978 let Inst{3-0} = shift{3-0};
981 def rsr : AsI1<opcod, (outs GPR:$Rd),
982 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
983 iis, opc, "\t$Rd, $Rn, $shift",
984 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
989 let Inst{19-16} = Rn;
990 let Inst{15-12} = Rd;
991 let Inst{11-8} = shift{11-8};
993 let Inst{6-5} = shift{6-5};
995 let Inst{3-0} = shift{3-0};
998 // Assembly aliases for optional destination operand when it's the same
999 // as the source operand.
1000 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1001 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1002 so_imm:$imm, pred:$p,
1005 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1006 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1010 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1011 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1012 so_reg_imm:$shift, pred:$p,
1015 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1016 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1017 so_reg_reg:$shift, pred:$p,
1023 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1024 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1025 /// it is equivalent to the AsI1_bin_irs counterpart.
1026 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1027 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1028 PatFrag opnode, string baseOpc, bit Commutable = 0> {
1029 // The register-immediate version is re-materializable. This is useful
1030 // in particular for taking the address of a local.
1031 let isReMaterializable = 1 in {
1032 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1033 iii, opc, "\t$Rd, $Rn, $imm",
1034 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]> {
1039 let Inst{19-16} = Rn;
1040 let Inst{15-12} = Rd;
1041 let Inst{11-0} = imm;
1044 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1045 iir, opc, "\t$Rd, $Rn, $Rm",
1046 [/* pattern left blank */]> {
1050 let Inst{11-4} = 0b00000000;
1053 let Inst{15-12} = Rd;
1054 let Inst{19-16} = Rn;
1057 def rsi : AsI1<opcod, (outs GPR:$Rd),
1058 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1059 iis, opc, "\t$Rd, $Rn, $shift",
1060 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]> {
1065 let Inst{19-16} = Rn;
1066 let Inst{15-12} = Rd;
1067 let Inst{11-5} = shift{11-5};
1069 let Inst{3-0} = shift{3-0};
1072 def rsr : AsI1<opcod, (outs GPR:$Rd),
1073 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1074 iis, opc, "\t$Rd, $Rn, $shift",
1075 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
1080 let Inst{19-16} = Rn;
1081 let Inst{15-12} = Rd;
1082 let Inst{11-8} = shift{11-8};
1084 let Inst{6-5} = shift{6-5};
1086 let Inst{3-0} = shift{3-0};
1089 // Assembly aliases for optional destination operand when it's the same
1090 // as the source operand.
1091 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1092 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1093 so_imm:$imm, pred:$p,
1096 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1097 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1101 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1102 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1103 so_reg_imm:$shift, pred:$p,
1106 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1107 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1108 so_reg_reg:$shift, pred:$p,
1114 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1116 /// These opcodes will be converted to the real non-S opcodes by
1117 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1118 let hasPostISelHook = 1, Defs = [CPSR] in {
1119 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1120 InstrItinClass iis, PatFrag opnode,
1121 bit Commutable = 0> {
1122 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1124 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>;
1126 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1128 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]> {
1129 let isCommutable = Commutable;
1131 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1132 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1134 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1135 so_reg_imm:$shift))]>;
1137 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1138 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1140 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1141 so_reg_reg:$shift))]>;
1145 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1146 /// operands are reversed.
1147 let hasPostISelHook = 1, Defs = [CPSR] in {
1148 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1149 InstrItinClass iis, PatFrag opnode,
1150 bit Commutable = 0> {
1151 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1153 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>;
1155 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1156 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1158 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1161 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1162 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1164 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1169 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1170 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1171 /// a explicit result, only implicitly set CPSR.
1172 let isCompare = 1, Defs = [CPSR] in {
1173 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1174 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1175 PatFrag opnode, bit Commutable = 0> {
1176 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1178 [(opnode GPR:$Rn, so_imm:$imm)]> {
1183 let Inst{19-16} = Rn;
1184 let Inst{15-12} = 0b0000;
1185 let Inst{11-0} = imm;
1187 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1189 [(opnode GPR:$Rn, GPR:$Rm)]> {
1192 let isCommutable = Commutable;
1195 let Inst{19-16} = Rn;
1196 let Inst{15-12} = 0b0000;
1197 let Inst{11-4} = 0b00000000;
1200 def rsi : AI1<opcod, (outs),
1201 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1202 opc, "\t$Rn, $shift",
1203 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
1208 let Inst{19-16} = Rn;
1209 let Inst{15-12} = 0b0000;
1210 let Inst{11-5} = shift{11-5};
1212 let Inst{3-0} = shift{3-0};
1214 def rsr : AI1<opcod, (outs),
1215 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1216 opc, "\t$Rn, $shift",
1217 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
1222 let Inst{19-16} = Rn;
1223 let Inst{15-12} = 0b0000;
1224 let Inst{11-8} = shift{11-8};
1226 let Inst{6-5} = shift{6-5};
1228 let Inst{3-0} = shift{3-0};
1234 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1235 /// register and one whose operand is a register rotated by 8/16/24.
1236 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1237 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1238 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1239 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1240 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1241 Requires<[IsARM, HasV6]> {
1245 let Inst{19-16} = 0b1111;
1246 let Inst{15-12} = Rd;
1247 let Inst{11-10} = rot;
1251 class AI_ext_rrot_np<bits<8> opcod, string opc>
1252 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1253 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1254 Requires<[IsARM, HasV6]> {
1256 let Inst{19-16} = 0b1111;
1257 let Inst{11-10} = rot;
1260 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1261 /// register and one whose operand is a register rotated by 8/16/24.
1262 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1263 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1264 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1265 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1266 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1267 Requires<[IsARM, HasV6]> {
1272 let Inst{19-16} = Rn;
1273 let Inst{15-12} = Rd;
1274 let Inst{11-10} = rot;
1275 let Inst{9-4} = 0b000111;
1279 class AI_exta_rrot_np<bits<8> opcod, string opc>
1280 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1281 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1282 Requires<[IsARM, HasV6]> {
1285 let Inst{19-16} = Rn;
1286 let Inst{11-10} = rot;
1289 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1290 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1291 string baseOpc, bit Commutable = 0> {
1292 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1293 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1294 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1295 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1301 let Inst{15-12} = Rd;
1302 let Inst{19-16} = Rn;
1303 let Inst{11-0} = imm;
1305 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1306 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1307 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1312 let Inst{11-4} = 0b00000000;
1314 let isCommutable = Commutable;
1316 let Inst{15-12} = Rd;
1317 let Inst{19-16} = Rn;
1319 def rsi : AsI1<opcod, (outs GPR:$Rd),
1320 (ins GPR:$Rn, so_reg_imm:$shift),
1321 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1322 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1328 let Inst{19-16} = Rn;
1329 let Inst{15-12} = Rd;
1330 let Inst{11-5} = shift{11-5};
1332 let Inst{3-0} = shift{3-0};
1334 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1335 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1336 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1337 [(set GPRnopc:$Rd, CPSR, (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1343 let Inst{19-16} = Rn;
1344 let Inst{15-12} = Rd;
1345 let Inst{11-8} = shift{11-8};
1347 let Inst{6-5} = shift{6-5};
1349 let Inst{3-0} = shift{3-0};
1353 // Assembly aliases for optional destination operand when it's the same
1354 // as the source operand.
1355 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1356 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1357 so_imm:$imm, pred:$p,
1360 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1361 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1365 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1366 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1367 so_reg_imm:$shift, pred:$p,
1370 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1371 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPRnopc:$Rdn, GPRnopc:$Rdn,
1372 so_reg_reg:$shift, pred:$p,
1377 /// AI1_rsc_irs - Define instructions and patterns for rsc
1378 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode,
1380 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1381 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1382 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1383 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1389 let Inst{15-12} = Rd;
1390 let Inst{19-16} = Rn;
1391 let Inst{11-0} = imm;
1393 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1394 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1395 [/* pattern left blank */]> {
1399 let Inst{11-4} = 0b00000000;
1402 let Inst{15-12} = Rd;
1403 let Inst{19-16} = Rn;
1405 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1406 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1407 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1413 let Inst{19-16} = Rn;
1414 let Inst{15-12} = Rd;
1415 let Inst{11-5} = shift{11-5};
1417 let Inst{3-0} = shift{3-0};
1419 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1420 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1421 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1427 let Inst{19-16} = Rn;
1428 let Inst{15-12} = Rd;
1429 let Inst{11-8} = shift{11-8};
1431 let Inst{6-5} = shift{6-5};
1433 let Inst{3-0} = shift{3-0};
1437 // Assembly aliases for optional destination operand when it's the same
1438 // as the source operand.
1439 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1440 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1441 so_imm:$imm, pred:$p,
1444 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1445 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1449 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1450 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1451 so_reg_imm:$shift, pred:$p,
1454 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1455 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1456 so_reg_reg:$shift, pred:$p,
1461 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1462 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1463 InstrItinClass iir, PatFrag opnode> {
1464 // Note: We use the complex addrmode_imm12 rather than just an input
1465 // GPR and a constrained immediate so that we can use this to match
1466 // frame index references and avoid matching constant pool references.
1467 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1468 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1469 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1472 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1473 let Inst{19-16} = addr{16-13}; // Rn
1474 let Inst{15-12} = Rt;
1475 let Inst{11-0} = addr{11-0}; // imm12
1477 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1478 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1479 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1482 let shift{4} = 0; // Inst{4} = 0
1483 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1484 let Inst{19-16} = shift{16-13}; // Rn
1485 let Inst{15-12} = Rt;
1486 let Inst{11-0} = shift{11-0};
1491 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1492 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1493 InstrItinClass iir, PatFrag opnode> {
1494 // Note: We use the complex addrmode_imm12 rather than just an input
1495 // GPR and a constrained immediate so that we can use this to match
1496 // frame index references and avoid matching constant pool references.
1497 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt), (ins addrmode_imm12:$addr),
1498 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1499 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1502 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1503 let Inst{19-16} = addr{16-13}; // Rn
1504 let Inst{15-12} = Rt;
1505 let Inst{11-0} = addr{11-0}; // imm12
1507 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt), (ins ldst_so_reg:$shift),
1508 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1509 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1512 let shift{4} = 0; // Inst{4} = 0
1513 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1514 let Inst{19-16} = shift{16-13}; // Rn
1515 let Inst{15-12} = Rt;
1516 let Inst{11-0} = shift{11-0};
1522 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1523 InstrItinClass iir, PatFrag opnode> {
1524 // Note: We use the complex addrmode_imm12 rather than just an input
1525 // GPR and a constrained immediate so that we can use this to match
1526 // frame index references and avoid matching constant pool references.
1527 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1528 (ins GPR:$Rt, addrmode_imm12:$addr),
1529 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1530 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1533 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1534 let Inst{19-16} = addr{16-13}; // Rn
1535 let Inst{15-12} = Rt;
1536 let Inst{11-0} = addr{11-0}; // imm12
1538 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1539 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1540 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1543 let shift{4} = 0; // Inst{4} = 0
1544 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1545 let Inst{19-16} = shift{16-13}; // Rn
1546 let Inst{15-12} = Rt;
1547 let Inst{11-0} = shift{11-0};
1551 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1552 InstrItinClass iir, PatFrag opnode> {
1553 // Note: We use the complex addrmode_imm12 rather than just an input
1554 // GPR and a constrained immediate so that we can use this to match
1555 // frame index references and avoid matching constant pool references.
1556 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1557 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1558 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1559 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1562 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1563 let Inst{19-16} = addr{16-13}; // Rn
1564 let Inst{15-12} = Rt;
1565 let Inst{11-0} = addr{11-0}; // imm12
1567 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1568 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1569 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1572 let shift{4} = 0; // Inst{4} = 0
1573 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1574 let Inst{19-16} = shift{16-13}; // Rn
1575 let Inst{15-12} = Rt;
1576 let Inst{11-0} = shift{11-0};
1581 //===----------------------------------------------------------------------===//
1583 //===----------------------------------------------------------------------===//
1585 //===----------------------------------------------------------------------===//
1586 // Miscellaneous Instructions.
1589 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1590 /// the function. The first operand is the ID# for this instruction, the second
1591 /// is the index into the MachineConstantPool that this is, the third is the
1592 /// size in bytes of this constant pool entry.
1593 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1594 def CONSTPOOL_ENTRY :
1595 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1596 i32imm:$size), NoItinerary, []>;
1598 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1599 // from removing one half of the matched pairs. That breaks PEI, which assumes
1600 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1601 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1602 def ADJCALLSTACKUP :
1603 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1604 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1606 def ADJCALLSTACKDOWN :
1607 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1608 [(ARMcallseq_start timm:$amt)]>;
1611 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
1612 // (These pseudos use a hand-written selection code).
1613 let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
1614 def ATOMOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1615 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1617 def ATOMXOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1618 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1620 def ATOMADD6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1621 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1623 def ATOMSUB6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1624 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1626 def ATOMNAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1627 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1629 def ATOMAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1630 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1632 def ATOMSWAP6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1633 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1635 def ATOMCMPXCHG6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1636 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
1637 GPR:$set1, GPR:$set2),
1641 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "", []>,
1642 Requires<[IsARM, HasV6T2]> {
1643 let Inst{27-16} = 0b001100100000;
1644 let Inst{15-8} = 0b11110000;
1645 let Inst{7-0} = 0b00000000;
1648 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "", []>,
1649 Requires<[IsARM, HasV6T2]> {
1650 let Inst{27-16} = 0b001100100000;
1651 let Inst{15-8} = 0b11110000;
1652 let Inst{7-0} = 0b00000001;
1655 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "", []>,
1656 Requires<[IsARM, HasV6T2]> {
1657 let Inst{27-16} = 0b001100100000;
1658 let Inst{15-8} = 0b11110000;
1659 let Inst{7-0} = 0b00000010;
1662 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "", []>,
1663 Requires<[IsARM, HasV6T2]> {
1664 let Inst{27-16} = 0b001100100000;
1665 let Inst{15-8} = 0b11110000;
1666 let Inst{7-0} = 0b00000011;
1669 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1670 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1675 let Inst{15-12} = Rd;
1676 let Inst{19-16} = Rn;
1677 let Inst{27-20} = 0b01101000;
1678 let Inst{7-4} = 0b1011;
1679 let Inst{11-8} = 0b1111;
1682 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1683 []>, Requires<[IsARM, HasV6T2]> {
1684 let Inst{27-16} = 0b001100100000;
1685 let Inst{15-8} = 0b11110000;
1686 let Inst{7-0} = 0b00000100;
1689 // The i32imm operand $val can be used by a debugger to store more information
1690 // about the breakpoint.
1691 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1692 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1694 let Inst{3-0} = val{3-0};
1695 let Inst{19-8} = val{15-4};
1696 let Inst{27-20} = 0b00010010;
1697 let Inst{7-4} = 0b0111;
1700 // Change Processor State
1701 // FIXME: We should use InstAlias to handle the optional operands.
1702 class CPS<dag iops, string asm_ops>
1703 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1704 []>, Requires<[IsARM]> {
1710 let Inst{31-28} = 0b1111;
1711 let Inst{27-20} = 0b00010000;
1712 let Inst{19-18} = imod;
1713 let Inst{17} = M; // Enabled if mode is set;
1714 let Inst{16-9} = 0b00000000;
1715 let Inst{8-6} = iflags;
1717 let Inst{4-0} = mode;
1720 let DecoderMethod = "DecodeCPSInstruction" in {
1722 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1723 "$imod\t$iflags, $mode">;
1724 let mode = 0, M = 0 in
1725 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1727 let imod = 0, iflags = 0, M = 1 in
1728 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1731 // Preload signals the memory system of possible future data/instruction access.
1732 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1734 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1735 !strconcat(opc, "\t$addr"),
1736 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1739 let Inst{31-26} = 0b111101;
1740 let Inst{25} = 0; // 0 for immediate form
1741 let Inst{24} = data;
1742 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1743 let Inst{22} = read;
1744 let Inst{21-20} = 0b01;
1745 let Inst{19-16} = addr{16-13}; // Rn
1746 let Inst{15-12} = 0b1111;
1747 let Inst{11-0} = addr{11-0}; // imm12
1750 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1751 !strconcat(opc, "\t$shift"),
1752 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1754 let Inst{31-26} = 0b111101;
1755 let Inst{25} = 1; // 1 for register form
1756 let Inst{24} = data;
1757 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1758 let Inst{22} = read;
1759 let Inst{21-20} = 0b01;
1760 let Inst{19-16} = shift{16-13}; // Rn
1761 let Inst{15-12} = 0b1111;
1762 let Inst{11-0} = shift{11-0};
1767 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1768 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1769 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1771 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1772 "setend\t$end", []>, Requires<[IsARM]> {
1774 let Inst{31-10} = 0b1111000100000001000000;
1779 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1780 []>, Requires<[IsARM, HasV7]> {
1782 let Inst{27-4} = 0b001100100000111100001111;
1783 let Inst{3-0} = opt;
1786 // A5.4 Permanently UNDEFINED instructions.
1787 let isBarrier = 1, isTerminator = 1 in
1788 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1791 let Inst = 0xe7ffdefe;
1794 // Address computation and loads and stores in PIC mode.
1795 let isNotDuplicable = 1 in {
1796 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1798 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1800 let AddedComplexity = 10 in {
1801 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1803 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1805 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1807 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1809 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1811 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1813 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1815 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1817 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1819 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1821 let AddedComplexity = 10 in {
1822 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1823 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1825 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1826 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1827 addrmodepc:$addr)]>;
1829 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1830 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1832 } // isNotDuplicable = 1
1835 // LEApcrel - Load a pc-relative address into a register without offending the
1837 let neverHasSideEffects = 1, isReMaterializable = 1 in
1838 // The 'adr' mnemonic encodes differently if the label is before or after
1839 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1840 // know until then which form of the instruction will be used.
1841 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1842 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1845 let Inst{27-25} = 0b001;
1847 let Inst{23-22} = label{13-12};
1850 let Inst{19-16} = 0b1111;
1851 let Inst{15-12} = Rd;
1852 let Inst{11-0} = label{11-0};
1854 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1857 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1858 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1861 //===----------------------------------------------------------------------===//
1862 // Control Flow Instructions.
1865 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1867 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1868 "bx", "\tlr", [(ARMretflag)]>,
1869 Requires<[IsARM, HasV4T]> {
1870 let Inst{27-0} = 0b0001001011111111111100011110;
1874 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1875 "mov", "\tpc, lr", [(ARMretflag)]>,
1876 Requires<[IsARM, NoV4T]> {
1877 let Inst{27-0} = 0b0001101000001111000000001110;
1881 // Indirect branches
1882 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1884 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1885 [(brind GPR:$dst)]>,
1886 Requires<[IsARM, HasV4T]> {
1888 let Inst{31-4} = 0b1110000100101111111111110001;
1889 let Inst{3-0} = dst;
1892 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1893 "bx", "\t$dst", [/* pattern left blank */]>,
1894 Requires<[IsARM, HasV4T]> {
1896 let Inst{27-4} = 0b000100101111111111110001;
1897 let Inst{3-0} = dst;
1901 // SP is marked as a use to prevent stack-pointer assignments that appear
1902 // immediately before calls from potentially appearing dead.
1904 // FIXME: Do we really need a non-predicated version? If so, it should
1905 // at least be a pseudo instruction expanding to the predicated version
1906 // at MC lowering time.
1907 Defs = [LR], Uses = [SP] in {
1908 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1909 IIC_Br, "bl\t$func",
1910 [(ARMcall tglobaladdr:$func)]>,
1912 let Inst{31-28} = 0b1110;
1914 let Inst{23-0} = func;
1915 let DecoderMethod = "DecodeBranchImmInstruction";
1918 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1919 IIC_Br, "bl", "\t$func",
1920 [(ARMcall_pred tglobaladdr:$func)]>,
1923 let Inst{23-0} = func;
1924 let DecoderMethod = "DecodeBranchImmInstruction";
1928 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1929 IIC_Br, "blx\t$func",
1930 [(ARMcall GPR:$func)]>,
1931 Requires<[IsARM, HasV5T]> {
1933 let Inst{31-4} = 0b1110000100101111111111110011;
1934 let Inst{3-0} = func;
1937 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1938 IIC_Br, "blx", "\t$func",
1939 [(ARMcall_pred GPR:$func)]>,
1940 Requires<[IsARM, HasV5T]> {
1942 let Inst{27-4} = 0b000100101111111111110011;
1943 let Inst{3-0} = func;
1947 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1948 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1949 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1950 Requires<[IsARM, HasV4T]>;
1953 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1954 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1955 Requires<[IsARM, NoV4T]>;
1957 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
1958 // return stack predictor.
1959 def BMOVPCB_CALL : ARMPseudoInst<(outs),
1960 (ins bl_target:$func, variable_ops),
1961 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
1965 let isBranch = 1, isTerminator = 1 in {
1966 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1967 // a two-value operand where a dag node expects two operands. :(
1968 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1969 IIC_Br, "b", "\t$target",
1970 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1972 let Inst{23-0} = target;
1973 let DecoderMethod = "DecodeBranchImmInstruction";
1976 let isBarrier = 1 in {
1977 // B is "predicable" since it's just a Bcc with an 'always' condition.
1978 let isPredicable = 1 in
1979 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1980 // should be sufficient.
1981 // FIXME: Is B really a Barrier? That doesn't seem right.
1982 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1983 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1985 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1986 def BR_JTr : ARMPseudoInst<(outs),
1987 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1989 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1990 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1991 // into i12 and rs suffixed versions.
1992 def BR_JTm : ARMPseudoInst<(outs),
1993 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1995 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1997 def BR_JTadd : ARMPseudoInst<(outs),
1998 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2000 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2002 } // isNotDuplicable = 1, isIndirectBranch = 1
2008 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2009 "blx\t$target", []>,
2010 Requires<[IsARM, HasV5T]> {
2011 let Inst{31-25} = 0b1111101;
2013 let Inst{23-0} = target{24-1};
2014 let Inst{24} = target{0};
2017 // Branch and Exchange Jazelle
2018 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2019 [/* pattern left blank */]> {
2021 let Inst{23-20} = 0b0010;
2022 let Inst{19-8} = 0xfff;
2023 let Inst{7-4} = 0b0010;
2024 let Inst{3-0} = func;
2029 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
2031 let Uses = [SP] in {
2032 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2033 IIC_Br, []>, Requires<[IsIOS]>;
2035 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2036 IIC_Br, []>, Requires<[IsIOS]>;
2038 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
2040 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2041 Requires<[IsARM, IsIOS]>;
2043 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2046 Requires<[IsARM, IsIOS]>;
2050 // Non-IOS versions (the difference is R9).
2051 let Uses = [SP] in {
2052 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2053 IIC_Br, []>, Requires<[IsNotIOS]>;
2055 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2056 IIC_Br, []>, Requires<[IsNotIOS]>;
2058 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
2060 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2061 Requires<[IsARM, IsNotIOS]>;
2063 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2066 Requires<[IsARM, IsNotIOS]>;
2070 // Secure Monitor Call is a system instruction.
2071 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2074 let Inst{23-4} = 0b01100000000000000111;
2075 let Inst{3-0} = opt;
2078 // Supervisor Call (Software Interrupt)
2079 let isCall = 1, Uses = [SP] in {
2080 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
2082 let Inst{23-0} = svc;
2086 // Store Return State
2087 class SRSI<bit wb, string asm>
2088 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2089 NoItinerary, asm, "", []> {
2091 let Inst{31-28} = 0b1111;
2092 let Inst{27-25} = 0b100;
2096 let Inst{19-16} = 0b1101; // SP
2097 let Inst{15-5} = 0b00000101000;
2098 let Inst{4-0} = mode;
2101 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2102 let Inst{24-23} = 0;
2104 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2105 let Inst{24-23} = 0;
2107 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2108 let Inst{24-23} = 0b10;
2110 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2111 let Inst{24-23} = 0b10;
2113 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2114 let Inst{24-23} = 0b01;
2116 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2117 let Inst{24-23} = 0b01;
2119 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2120 let Inst{24-23} = 0b11;
2122 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2123 let Inst{24-23} = 0b11;
2126 // Return From Exception
2127 class RFEI<bit wb, string asm>
2128 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2129 NoItinerary, asm, "", []> {
2131 let Inst{31-28} = 0b1111;
2132 let Inst{27-25} = 0b100;
2136 let Inst{19-16} = Rn;
2137 let Inst{15-0} = 0xa00;
2140 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2141 let Inst{24-23} = 0;
2143 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2144 let Inst{24-23} = 0;
2146 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2147 let Inst{24-23} = 0b10;
2149 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2150 let Inst{24-23} = 0b10;
2152 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2153 let Inst{24-23} = 0b01;
2155 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2156 let Inst{24-23} = 0b01;
2158 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2159 let Inst{24-23} = 0b11;
2161 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2162 let Inst{24-23} = 0b11;
2165 //===----------------------------------------------------------------------===//
2166 // Load / Store Instructions.
2172 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2173 UnOpFrag<(load node:$Src)>>;
2174 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2175 UnOpFrag<(zextloadi8 node:$Src)>>;
2176 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2177 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2178 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2179 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2181 // Special LDR for loads from non-pc-relative constpools.
2182 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2183 isReMaterializable = 1, isCodeGenOnly = 1 in
2184 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2185 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2189 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2190 let Inst{19-16} = 0b1111;
2191 let Inst{15-12} = Rt;
2192 let Inst{11-0} = addr{11-0}; // imm12
2195 // Loads with zero extension
2196 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2197 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2198 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2200 // Loads with sign extension
2201 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2202 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2203 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2205 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2206 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2207 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2209 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2211 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2212 (ins addrmode3:$addr), LdMiscFrm,
2213 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2214 []>, Requires<[IsARM, HasV5TE]>;
2218 multiclass AI2_ldridx<bit isByte, string opc,
2219 InstrItinClass iii, InstrItinClass iir> {
2220 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2221 (ins addrmode_imm12:$addr), IndexModePre, LdFrm, iii,
2222 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2225 let Inst{23} = addr{12};
2226 let Inst{19-16} = addr{16-13};
2227 let Inst{11-0} = addr{11-0};
2228 let DecoderMethod = "DecodeLDRPreImm";
2229 let AsmMatchConverter = "cvtLdWriteBackRegAddrModeImm12";
2232 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2233 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2234 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2237 let Inst{23} = addr{12};
2238 let Inst{19-16} = addr{16-13};
2239 let Inst{11-0} = addr{11-0};
2241 let DecoderMethod = "DecodeLDRPreReg";
2242 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2245 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2246 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2247 IndexModePost, LdFrm, iir,
2248 opc, "\t$Rt, $addr, $offset",
2249 "$addr.base = $Rn_wb", []> {
2255 let Inst{23} = offset{12};
2256 let Inst{19-16} = addr;
2257 let Inst{11-0} = offset{11-0};
2259 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2262 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2263 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2264 IndexModePost, LdFrm, iii,
2265 opc, "\t$Rt, $addr, $offset",
2266 "$addr.base = $Rn_wb", []> {
2272 let Inst{23} = offset{12};
2273 let Inst{19-16} = addr;
2274 let Inst{11-0} = offset{11-0};
2276 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2281 let mayLoad = 1, neverHasSideEffects = 1 in {
2282 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2283 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2284 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2285 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2288 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2289 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2290 (ins addrmode3:$addr), IndexModePre,
2292 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2294 let Inst{23} = addr{8}; // U bit
2295 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2296 let Inst{19-16} = addr{12-9}; // Rn
2297 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2298 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2299 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2300 let DecoderMethod = "DecodeAddrMode3Instruction";
2302 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2303 (ins addr_offset_none:$addr, am3offset:$offset),
2304 IndexModePost, LdMiscFrm, itin,
2305 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2309 let Inst{23} = offset{8}; // U bit
2310 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2311 let Inst{19-16} = addr;
2312 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2313 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2314 let DecoderMethod = "DecodeAddrMode3Instruction";
2318 let mayLoad = 1, neverHasSideEffects = 1 in {
2319 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2320 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2321 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2322 let hasExtraDefRegAllocReq = 1 in {
2323 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2324 (ins addrmode3:$addr), IndexModePre,
2325 LdMiscFrm, IIC_iLoad_d_ru,
2326 "ldrd", "\t$Rt, $Rt2, $addr!",
2327 "$addr.base = $Rn_wb", []> {
2329 let Inst{23} = addr{8}; // U bit
2330 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2331 let Inst{19-16} = addr{12-9}; // Rn
2332 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2333 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2334 let DecoderMethod = "DecodeAddrMode3Instruction";
2335 let AsmMatchConverter = "cvtLdrdPre";
2337 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2338 (ins addr_offset_none:$addr, am3offset:$offset),
2339 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2340 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2341 "$addr.base = $Rn_wb", []> {
2344 let Inst{23} = offset{8}; // U bit
2345 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2346 let Inst{19-16} = addr;
2347 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2348 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2349 let DecoderMethod = "DecodeAddrMode3Instruction";
2351 } // hasExtraDefRegAllocReq = 1
2352 } // mayLoad = 1, neverHasSideEffects = 1
2354 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2355 let mayLoad = 1, neverHasSideEffects = 1 in {
2356 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2357 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2358 IndexModePost, LdFrm, IIC_iLoad_ru,
2359 "ldrt", "\t$Rt, $addr, $offset",
2360 "$addr.base = $Rn_wb", []> {
2366 let Inst{23} = offset{12};
2367 let Inst{21} = 1; // overwrite
2368 let Inst{19-16} = addr;
2369 let Inst{11-5} = offset{11-5};
2371 let Inst{3-0} = offset{3-0};
2372 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2375 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2376 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2377 IndexModePost, LdFrm, IIC_iLoad_ru,
2378 "ldrt", "\t$Rt, $addr, $offset",
2379 "$addr.base = $Rn_wb", []> {
2385 let Inst{23} = offset{12};
2386 let Inst{21} = 1; // overwrite
2387 let Inst{19-16} = addr;
2388 let Inst{11-0} = offset{11-0};
2389 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2392 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2393 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2394 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2395 "ldrbt", "\t$Rt, $addr, $offset",
2396 "$addr.base = $Rn_wb", []> {
2402 let Inst{23} = offset{12};
2403 let Inst{21} = 1; // overwrite
2404 let Inst{19-16} = addr;
2405 let Inst{11-5} = offset{11-5};
2407 let Inst{3-0} = offset{3-0};
2408 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2411 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2412 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2413 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2414 "ldrbt", "\t$Rt, $addr, $offset",
2415 "$addr.base = $Rn_wb", []> {
2421 let Inst{23} = offset{12};
2422 let Inst{21} = 1; // overwrite
2423 let Inst{19-16} = addr;
2424 let Inst{11-0} = offset{11-0};
2425 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2428 multiclass AI3ldrT<bits<4> op, string opc> {
2429 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2430 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2431 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2432 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2434 let Inst{23} = offset{8};
2436 let Inst{11-8} = offset{7-4};
2437 let Inst{3-0} = offset{3-0};
2438 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2440 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2441 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2442 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2443 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2445 let Inst{23} = Rm{4};
2448 let Unpredictable{11-8} = 0b1111;
2449 let Inst{3-0} = Rm{3-0};
2450 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2451 let DecoderMethod = "DecodeLDR";
2455 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2456 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2457 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2462 // Stores with truncate
2463 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2464 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2465 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2468 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2469 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2470 StMiscFrm, IIC_iStore_d_r,
2471 "strd", "\t$Rt, $src2, $addr", []>,
2472 Requires<[IsARM, HasV5TE]> {
2477 multiclass AI2_stridx<bit isByte, string opc,
2478 InstrItinClass iii, InstrItinClass iir> {
2479 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2480 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2482 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2485 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2486 let Inst{19-16} = addr{16-13}; // Rn
2487 let Inst{11-0} = addr{11-0}; // imm12
2488 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2489 let DecoderMethod = "DecodeSTRPreImm";
2492 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2493 (ins GPR:$Rt, ldst_so_reg:$addr),
2494 IndexModePre, StFrm, iir,
2495 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2498 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2499 let Inst{19-16} = addr{16-13}; // Rn
2500 let Inst{11-0} = addr{11-0};
2501 let Inst{4} = 0; // Inst{4} = 0
2502 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2503 let DecoderMethod = "DecodeSTRPreReg";
2505 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2506 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2507 IndexModePost, StFrm, iir,
2508 opc, "\t$Rt, $addr, $offset",
2509 "$addr.base = $Rn_wb", []> {
2515 let Inst{23} = offset{12};
2516 let Inst{19-16} = addr;
2517 let Inst{11-0} = offset{11-0};
2519 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2522 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2523 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2524 IndexModePost, StFrm, iii,
2525 opc, "\t$Rt, $addr, $offset",
2526 "$addr.base = $Rn_wb", []> {
2532 let Inst{23} = offset{12};
2533 let Inst{19-16} = addr;
2534 let Inst{11-0} = offset{11-0};
2536 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2540 let mayStore = 1, neverHasSideEffects = 1 in {
2541 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2542 // IIC_iStore_siu depending on whether it the offset register is shifted.
2543 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2544 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2547 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2548 am2offset_reg:$offset),
2549 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2550 am2offset_reg:$offset)>;
2551 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2552 am2offset_imm:$offset),
2553 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2554 am2offset_imm:$offset)>;
2555 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2556 am2offset_reg:$offset),
2557 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2558 am2offset_reg:$offset)>;
2559 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2560 am2offset_imm:$offset),
2561 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2562 am2offset_imm:$offset)>;
2564 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2565 // put the patterns on the instruction definitions directly as ISel wants
2566 // the address base and offset to be separate operands, not a single
2567 // complex operand like we represent the instructions themselves. The
2568 // pseudos map between the two.
2569 let usesCustomInserter = 1,
2570 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2571 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2572 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2575 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2576 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2577 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2580 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2581 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2582 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2585 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2586 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2587 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2590 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2591 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2592 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2595 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2600 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2601 (ins GPR:$Rt, addrmode3:$addr), IndexModePre,
2602 StMiscFrm, IIC_iStore_bh_ru,
2603 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2605 let Inst{23} = addr{8}; // U bit
2606 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2607 let Inst{19-16} = addr{12-9}; // Rn
2608 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2609 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2610 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2611 let DecoderMethod = "DecodeAddrMode3Instruction";
2614 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2615 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2616 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2617 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2618 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2619 addr_offset_none:$addr,
2620 am3offset:$offset))]> {
2623 let Inst{23} = offset{8}; // U bit
2624 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2625 let Inst{19-16} = addr;
2626 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2627 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2628 let DecoderMethod = "DecodeAddrMode3Instruction";
2631 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2632 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2633 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2634 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2635 "strd", "\t$Rt, $Rt2, $addr!",
2636 "$addr.base = $Rn_wb", []> {
2638 let Inst{23} = addr{8}; // U bit
2639 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2640 let Inst{19-16} = addr{12-9}; // Rn
2641 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2642 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2643 let DecoderMethod = "DecodeAddrMode3Instruction";
2644 let AsmMatchConverter = "cvtStrdPre";
2647 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2648 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2650 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2651 "strd", "\t$Rt, $Rt2, $addr, $offset",
2652 "$addr.base = $Rn_wb", []> {
2655 let Inst{23} = offset{8}; // U bit
2656 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2657 let Inst{19-16} = addr;
2658 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2659 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2660 let DecoderMethod = "DecodeAddrMode3Instruction";
2662 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2664 // STRT, STRBT, and STRHT
2666 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2667 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2668 IndexModePost, StFrm, IIC_iStore_bh_ru,
2669 "strbt", "\t$Rt, $addr, $offset",
2670 "$addr.base = $Rn_wb", []> {
2676 let Inst{23} = offset{12};
2677 let Inst{21} = 1; // overwrite
2678 let Inst{19-16} = addr;
2679 let Inst{11-5} = offset{11-5};
2681 let Inst{3-0} = offset{3-0};
2682 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2685 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2686 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2687 IndexModePost, StFrm, IIC_iStore_bh_ru,
2688 "strbt", "\t$Rt, $addr, $offset",
2689 "$addr.base = $Rn_wb", []> {
2695 let Inst{23} = offset{12};
2696 let Inst{21} = 1; // overwrite
2697 let Inst{19-16} = addr;
2698 let Inst{11-0} = offset{11-0};
2699 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2702 let mayStore = 1, neverHasSideEffects = 1 in {
2703 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2704 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2705 IndexModePost, StFrm, IIC_iStore_ru,
2706 "strt", "\t$Rt, $addr, $offset",
2707 "$addr.base = $Rn_wb", []> {
2713 let Inst{23} = offset{12};
2714 let Inst{21} = 1; // overwrite
2715 let Inst{19-16} = addr;
2716 let Inst{11-5} = offset{11-5};
2718 let Inst{3-0} = offset{3-0};
2719 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2722 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2723 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2724 IndexModePost, StFrm, IIC_iStore_ru,
2725 "strt", "\t$Rt, $addr, $offset",
2726 "$addr.base = $Rn_wb", []> {
2732 let Inst{23} = offset{12};
2733 let Inst{21} = 1; // overwrite
2734 let Inst{19-16} = addr;
2735 let Inst{11-0} = offset{11-0};
2736 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2741 multiclass AI3strT<bits<4> op, string opc> {
2742 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2743 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2744 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2745 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2747 let Inst{23} = offset{8};
2749 let Inst{11-8} = offset{7-4};
2750 let Inst{3-0} = offset{3-0};
2751 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2753 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2754 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2755 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2756 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2758 let Inst{23} = Rm{4};
2761 let Inst{3-0} = Rm{3-0};
2762 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2767 defm STRHT : AI3strT<0b1011, "strht">;
2770 //===----------------------------------------------------------------------===//
2771 // Load / store multiple Instructions.
2774 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2775 InstrItinClass itin, InstrItinClass itin_upd> {
2776 // IA is the default, so no need for an explicit suffix on the
2777 // mnemonic here. Without it is the cannonical spelling.
2779 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2780 IndexModeNone, f, itin,
2781 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2782 let Inst{24-23} = 0b01; // Increment After
2783 let Inst{22} = P_bit;
2784 let Inst{21} = 0; // No writeback
2785 let Inst{20} = L_bit;
2788 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2789 IndexModeUpd, f, itin_upd,
2790 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2791 let Inst{24-23} = 0b01; // Increment After
2792 let Inst{22} = P_bit;
2793 let Inst{21} = 1; // Writeback
2794 let Inst{20} = L_bit;
2796 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2799 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2800 IndexModeNone, f, itin,
2801 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2802 let Inst{24-23} = 0b00; // Decrement After
2803 let Inst{22} = P_bit;
2804 let Inst{21} = 0; // No writeback
2805 let Inst{20} = L_bit;
2808 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2809 IndexModeUpd, f, itin_upd,
2810 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2811 let Inst{24-23} = 0b00; // Decrement After
2812 let Inst{22} = P_bit;
2813 let Inst{21} = 1; // Writeback
2814 let Inst{20} = L_bit;
2816 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2819 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2820 IndexModeNone, f, itin,
2821 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2822 let Inst{24-23} = 0b10; // Decrement Before
2823 let Inst{22} = P_bit;
2824 let Inst{21} = 0; // No writeback
2825 let Inst{20} = L_bit;
2828 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2829 IndexModeUpd, f, itin_upd,
2830 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2831 let Inst{24-23} = 0b10; // Decrement Before
2832 let Inst{22} = P_bit;
2833 let Inst{21} = 1; // Writeback
2834 let Inst{20} = L_bit;
2836 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2839 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2840 IndexModeNone, f, itin,
2841 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2842 let Inst{24-23} = 0b11; // Increment Before
2843 let Inst{22} = P_bit;
2844 let Inst{21} = 0; // No writeback
2845 let Inst{20} = L_bit;
2848 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2849 IndexModeUpd, f, itin_upd,
2850 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2851 let Inst{24-23} = 0b11; // Increment Before
2852 let Inst{22} = P_bit;
2853 let Inst{21} = 1; // Writeback
2854 let Inst{20} = L_bit;
2856 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2860 let neverHasSideEffects = 1 in {
2862 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2863 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2866 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2867 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2870 } // neverHasSideEffects
2872 // FIXME: remove when we have a way to marking a MI with these properties.
2873 // FIXME: Should pc be an implicit operand like PICADD, etc?
2874 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2875 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2876 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2877 reglist:$regs, variable_ops),
2878 4, IIC_iLoad_mBr, [],
2879 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2880 RegConstraint<"$Rn = $wb">;
2882 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2883 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2886 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2887 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2892 //===----------------------------------------------------------------------===//
2893 // Move Instructions.
2896 let neverHasSideEffects = 1 in
2897 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2898 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2902 let Inst{19-16} = 0b0000;
2903 let Inst{11-4} = 0b00000000;
2906 let Inst{15-12} = Rd;
2909 def : ARMInstAlias<"movs${p} $Rd, $Rm",
2910 (MOVr GPR:$Rd, GPR:$Rm, pred:$p, CPSR)>;
2912 // A version for the smaller set of tail call registers.
2913 let neverHasSideEffects = 1 in
2914 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2915 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2919 let Inst{11-4} = 0b00000000;
2922 let Inst{15-12} = Rd;
2925 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2926 DPSoRegRegFrm, IIC_iMOVsr,
2927 "mov", "\t$Rd, $src",
2928 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2931 let Inst{15-12} = Rd;
2932 let Inst{19-16} = 0b0000;
2933 let Inst{11-8} = src{11-8};
2935 let Inst{6-5} = src{6-5};
2937 let Inst{3-0} = src{3-0};
2941 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2942 DPSoRegImmFrm, IIC_iMOVsr,
2943 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2947 let Inst{15-12} = Rd;
2948 let Inst{19-16} = 0b0000;
2949 let Inst{11-5} = src{11-5};
2951 let Inst{3-0} = src{3-0};
2955 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2956 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2957 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2961 let Inst{15-12} = Rd;
2962 let Inst{19-16} = 0b0000;
2963 let Inst{11-0} = imm;
2966 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2967 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2969 "movw", "\t$Rd, $imm",
2970 [(set GPR:$Rd, imm0_65535:$imm)]>,
2971 Requires<[IsARM, HasV6T2]>, UnaryDP {
2974 let Inst{15-12} = Rd;
2975 let Inst{11-0} = imm{11-0};
2976 let Inst{19-16} = imm{15-12};
2979 let DecoderMethod = "DecodeArmMOVTWInstruction";
2982 def : InstAlias<"mov${p} $Rd, $imm",
2983 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2986 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2987 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2989 let Constraints = "$src = $Rd" in {
2990 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
2991 (ins GPR:$src, imm0_65535_expr:$imm),
2993 "movt", "\t$Rd, $imm",
2995 (or (and GPR:$src, 0xffff),
2996 lo16AllZero:$imm))]>, UnaryDP,
2997 Requires<[IsARM, HasV6T2]> {
3000 let Inst{15-12} = Rd;
3001 let Inst{11-0} = imm{11-0};
3002 let Inst{19-16} = imm{15-12};
3005 let DecoderMethod = "DecodeArmMOVTWInstruction";
3008 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3009 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
3013 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3014 Requires<[IsARM, HasV6T2]>;
3016 let Uses = [CPSR] in
3017 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3018 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3021 // These aren't really mov instructions, but we have to define them this way
3022 // due to flag operands.
3024 let Defs = [CPSR] in {
3025 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3026 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3028 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3029 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3033 //===----------------------------------------------------------------------===//
3034 // Extend Instructions.
3039 def SXTB : AI_ext_rrot<0b01101010,
3040 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3041 def SXTH : AI_ext_rrot<0b01101011,
3042 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3044 def SXTAB : AI_exta_rrot<0b01101010,
3045 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3046 def SXTAH : AI_exta_rrot<0b01101011,
3047 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3049 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3051 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3055 let AddedComplexity = 16 in {
3056 def UXTB : AI_ext_rrot<0b01101110,
3057 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3058 def UXTH : AI_ext_rrot<0b01101111,
3059 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3060 def UXTB16 : AI_ext_rrot<0b01101100,
3061 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3063 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3064 // The transformation should probably be done as a combiner action
3065 // instead so we can include a check for masking back in the upper
3066 // eight bits of the source into the lower eight bits of the result.
3067 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3068 // (UXTB16r_rot GPR:$Src, 3)>;
3069 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3070 (UXTB16 GPR:$Src, 1)>;
3072 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3073 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3074 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3075 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3078 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3079 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3082 def SBFX : I<(outs GPRnopc:$Rd),
3083 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3084 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3085 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3086 Requires<[IsARM, HasV6T2]> {
3091 let Inst{27-21} = 0b0111101;
3092 let Inst{6-4} = 0b101;
3093 let Inst{20-16} = width;
3094 let Inst{15-12} = Rd;
3095 let Inst{11-7} = lsb;
3099 def UBFX : I<(outs GPR:$Rd),
3100 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3101 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3102 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3103 Requires<[IsARM, HasV6T2]> {
3108 let Inst{27-21} = 0b0111111;
3109 let Inst{6-4} = 0b101;
3110 let Inst{20-16} = width;
3111 let Inst{15-12} = Rd;
3112 let Inst{11-7} = lsb;
3116 //===----------------------------------------------------------------------===//
3117 // Arithmetic Instructions.
3120 defm ADD : AsI1_bin_irs<0b0100, "add",
3121 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3122 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
3123 defm SUB : AsI1_bin_irs<0b0010, "sub",
3124 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3125 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
3127 // ADD and SUB with 's' bit set.
3129 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3130 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3131 // AdjustInstrPostInstrSelection where we determine whether or not to
3132 // set the "s" bit based on CPSR liveness.
3134 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3135 // support for an optional CPSR definition that corresponds to the DAG
3136 // node's second value. We can then eliminate the implicit def of CPSR.
3137 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3138 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3139 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3140 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3142 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3143 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>,
3145 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3146 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3149 defm RSB : AsI1_rbin_irs <0b0011, "rsb",
3150 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3151 BinOpFrag<(sub node:$LHS, node:$RHS)>, "RSB">;
3153 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3154 // CPSR and the implicit def of CPSR is not needed.
3155 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3156 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3158 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3159 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3162 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3163 // The assume-no-carry-in form uses the negation of the input since add/sub
3164 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3165 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3167 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3168 (SUBri GPR:$src, so_imm_neg:$imm)>;
3169 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3170 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3172 // The with-carry-in form matches bitwise not instead of the negation.
3173 // Effectively, the inverse interpretation of the carry flag already accounts
3174 // for part of the negation.
3175 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3176 (SBCri GPR:$src, so_imm_not:$imm)>;
3178 // Note: These are implemented in C++ code, because they have to generate
3179 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3181 // (mul X, 2^n+1) -> (add (X << n), X)
3182 // (mul X, 2^n-1) -> (rsb X, (X << n))
3184 // ARM Arithmetic Instruction
3185 // GPR:$dst = GPR:$a op GPR:$b
3186 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3187 list<dag> pattern = [],
3188 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3189 string asm = "\t$Rd, $Rn, $Rm">
3190 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3194 let Inst{27-20} = op27_20;
3195 let Inst{11-4} = op11_4;
3196 let Inst{19-16} = Rn;
3197 let Inst{15-12} = Rd;
3200 let Unpredictable{11-8} = 0b1111;
3203 // Saturating add/subtract
3205 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3206 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3207 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3208 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3209 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3210 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3211 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3212 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3214 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3215 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3218 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3219 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3220 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3221 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3222 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3223 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3224 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3225 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3226 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3227 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3228 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3229 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3231 // Signed/Unsigned add/subtract
3233 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3234 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3235 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3236 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3237 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3238 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3239 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3240 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3241 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3242 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3243 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3244 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3246 // Signed/Unsigned halving add/subtract
3248 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3249 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3250 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3251 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3252 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3253 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3254 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3255 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3256 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3257 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3258 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3259 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3261 // Unsigned Sum of Absolute Differences [and Accumulate].
3263 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3264 MulFrm /* for convenience */, NoItinerary, "usad8",
3265 "\t$Rd, $Rn, $Rm", []>,
3266 Requires<[IsARM, HasV6]> {
3270 let Inst{27-20} = 0b01111000;
3271 let Inst{15-12} = 0b1111;
3272 let Inst{7-4} = 0b0001;
3273 let Inst{19-16} = Rd;
3274 let Inst{11-8} = Rm;
3277 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3278 MulFrm /* for convenience */, NoItinerary, "usada8",
3279 "\t$Rd, $Rn, $Rm, $Ra", []>,
3280 Requires<[IsARM, HasV6]> {
3285 let Inst{27-20} = 0b01111000;
3286 let Inst{7-4} = 0b0001;
3287 let Inst{19-16} = Rd;
3288 let Inst{15-12} = Ra;
3289 let Inst{11-8} = Rm;
3293 // Signed/Unsigned saturate
3295 def SSAT : AI<(outs GPRnopc:$Rd),
3296 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3297 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3302 let Inst{27-21} = 0b0110101;
3303 let Inst{5-4} = 0b01;
3304 let Inst{20-16} = sat_imm;
3305 let Inst{15-12} = Rd;
3306 let Inst{11-7} = sh{4-0};
3307 let Inst{6} = sh{5};
3311 def SSAT16 : AI<(outs GPRnopc:$Rd),
3312 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3313 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3317 let Inst{27-20} = 0b01101010;
3318 let Inst{11-4} = 0b11110011;
3319 let Inst{15-12} = Rd;
3320 let Inst{19-16} = sat_imm;
3324 def USAT : AI<(outs GPRnopc:$Rd),
3325 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3326 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3331 let Inst{27-21} = 0b0110111;
3332 let Inst{5-4} = 0b01;
3333 let Inst{15-12} = Rd;
3334 let Inst{11-7} = sh{4-0};
3335 let Inst{6} = sh{5};
3336 let Inst{20-16} = sat_imm;
3340 def USAT16 : AI<(outs GPRnopc:$Rd),
3341 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3342 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3346 let Inst{27-20} = 0b01101110;
3347 let Inst{11-4} = 0b11110011;
3348 let Inst{15-12} = Rd;
3349 let Inst{19-16} = sat_imm;
3353 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3354 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3355 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3356 (USAT imm:$pos, GPRnopc:$a, 0)>;
3358 //===----------------------------------------------------------------------===//
3359 // Bitwise Instructions.
3362 defm AND : AsI1_bin_irs<0b0000, "and",
3363 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3364 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
3365 defm ORR : AsI1_bin_irs<0b1100, "orr",
3366 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3367 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
3368 defm EOR : AsI1_bin_irs<0b0001, "eor",
3369 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3370 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
3371 defm BIC : AsI1_bin_irs<0b1110, "bic",
3372 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3373 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
3375 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3376 // like in the actual instruction encoding. The complexity of mapping the mask
3377 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3378 // instruction description.
3379 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3380 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3381 "bfc", "\t$Rd, $imm", "$src = $Rd",
3382 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3383 Requires<[IsARM, HasV6T2]> {
3386 let Inst{27-21} = 0b0111110;
3387 let Inst{6-0} = 0b0011111;
3388 let Inst{15-12} = Rd;
3389 let Inst{11-7} = imm{4-0}; // lsb
3390 let Inst{20-16} = imm{9-5}; // msb
3393 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3394 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3395 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3396 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3397 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3398 bf_inv_mask_imm:$imm))]>,
3399 Requires<[IsARM, HasV6T2]> {
3403 let Inst{27-21} = 0b0111110;
3404 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3405 let Inst{15-12} = Rd;
3406 let Inst{11-7} = imm{4-0}; // lsb
3407 let Inst{20-16} = imm{9-5}; // width
3411 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3412 "mvn", "\t$Rd, $Rm",
3413 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3417 let Inst{19-16} = 0b0000;
3418 let Inst{11-4} = 0b00000000;
3419 let Inst{15-12} = Rd;
3422 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3423 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3424 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3428 let Inst{19-16} = 0b0000;
3429 let Inst{15-12} = Rd;
3430 let Inst{11-5} = shift{11-5};
3432 let Inst{3-0} = shift{3-0};
3434 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3435 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3436 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3440 let Inst{19-16} = 0b0000;
3441 let Inst{15-12} = Rd;
3442 let Inst{11-8} = shift{11-8};
3444 let Inst{6-5} = shift{6-5};
3446 let Inst{3-0} = shift{3-0};
3448 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3449 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3450 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3451 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3455 let Inst{19-16} = 0b0000;
3456 let Inst{15-12} = Rd;
3457 let Inst{11-0} = imm;
3460 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3461 (BICri GPR:$src, so_imm_not:$imm)>;
3463 //===----------------------------------------------------------------------===//
3464 // Multiply Instructions.
3466 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3467 string opc, string asm, list<dag> pattern>
3468 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3472 let Inst{19-16} = Rd;
3473 let Inst{11-8} = Rm;
3476 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3477 string opc, string asm, list<dag> pattern>
3478 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3483 let Inst{19-16} = RdHi;
3484 let Inst{15-12} = RdLo;
3485 let Inst{11-8} = Rm;
3489 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3490 // property. Remove them when it's possible to add those properties
3491 // on an individual MachineInstr, not just an instuction description.
3492 let isCommutable = 1 in {
3493 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3494 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3495 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3496 Requires<[IsARM, HasV6]> {
3497 let Inst{15-12} = 0b0000;
3498 let Unpredictable{15-12} = 0b1111;
3501 let Constraints = "@earlyclobber $Rd" in
3502 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3503 pred:$p, cc_out:$s),
3505 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3506 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3507 Requires<[IsARM, NoV6]>;
3510 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3511 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3512 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3513 Requires<[IsARM, HasV6]> {
3515 let Inst{15-12} = Ra;
3518 let Constraints = "@earlyclobber $Rd" in
3519 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3520 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3522 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3523 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3524 Requires<[IsARM, NoV6]>;
3526 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3527 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3528 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3529 Requires<[IsARM, HasV6T2]> {
3534 let Inst{19-16} = Rd;
3535 let Inst{15-12} = Ra;
3536 let Inst{11-8} = Rm;
3540 // Extra precision multiplies with low / high results
3541 let neverHasSideEffects = 1 in {
3542 let isCommutable = 1 in {
3543 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3544 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3545 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3546 Requires<[IsARM, HasV6]>;
3548 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3549 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3550 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3551 Requires<[IsARM, HasV6]>;
3553 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3554 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3555 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3557 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3558 Requires<[IsARM, NoV6]>;
3560 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3561 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3563 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3564 Requires<[IsARM, NoV6]>;
3568 // Multiply + accumulate
3569 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3570 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3571 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3572 Requires<[IsARM, HasV6]>;
3573 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3574 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3575 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3576 Requires<[IsARM, HasV6]>;
3578 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3579 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3580 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3581 Requires<[IsARM, HasV6]> {
3586 let Inst{19-16} = RdHi;
3587 let Inst{15-12} = RdLo;
3588 let Inst{11-8} = Rm;
3592 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3593 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3594 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3596 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3597 Requires<[IsARM, NoV6]>;
3598 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3599 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3601 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3602 Requires<[IsARM, NoV6]>;
3603 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3604 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3606 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3607 Requires<[IsARM, NoV6]>;
3610 } // neverHasSideEffects
3612 // Most significant word multiply
3613 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3614 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3615 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3616 Requires<[IsARM, HasV6]> {
3617 let Inst{15-12} = 0b1111;
3620 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3621 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3622 Requires<[IsARM, HasV6]> {
3623 let Inst{15-12} = 0b1111;
3626 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3627 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3628 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3629 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3630 Requires<[IsARM, HasV6]>;
3632 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3633 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3634 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3635 Requires<[IsARM, HasV6]>;
3637 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3638 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3639 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3640 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3641 Requires<[IsARM, HasV6]>;
3643 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3644 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3645 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3646 Requires<[IsARM, HasV6]>;
3648 multiclass AI_smul<string opc, PatFrag opnode> {
3649 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3650 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3651 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3652 (sext_inreg GPR:$Rm, i16)))]>,
3653 Requires<[IsARM, HasV5TE]>;
3655 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3656 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3657 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3658 (sra GPR:$Rm, (i32 16))))]>,
3659 Requires<[IsARM, HasV5TE]>;
3661 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3662 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3663 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3664 (sext_inreg GPR:$Rm, i16)))]>,
3665 Requires<[IsARM, HasV5TE]>;
3667 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3668 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3669 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3670 (sra GPR:$Rm, (i32 16))))]>,
3671 Requires<[IsARM, HasV5TE]>;
3673 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3674 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3675 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3676 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3677 Requires<[IsARM, HasV5TE]>;
3679 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3680 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3681 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3682 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3683 Requires<[IsARM, HasV5TE]>;
3687 multiclass AI_smla<string opc, PatFrag opnode> {
3688 let DecoderMethod = "DecodeSMLAInstruction" in {
3689 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3690 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3691 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3692 [(set GPRnopc:$Rd, (add GPR:$Ra,
3693 (opnode (sext_inreg GPRnopc:$Rn, i16),
3694 (sext_inreg GPRnopc:$Rm, i16))))]>,
3695 Requires<[IsARM, HasV5TE]>;
3697 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3698 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3699 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3701 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3702 (sra GPRnopc:$Rm, (i32 16)))))]>,
3703 Requires<[IsARM, HasV5TE]>;
3705 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3706 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3707 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3709 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3710 (sext_inreg GPRnopc:$Rm, i16))))]>,
3711 Requires<[IsARM, HasV5TE]>;
3713 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3714 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3715 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3717 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3718 (sra GPRnopc:$Rm, (i32 16)))))]>,
3719 Requires<[IsARM, HasV5TE]>;
3721 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3722 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3723 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3725 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3726 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3727 Requires<[IsARM, HasV5TE]>;
3729 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3730 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3731 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3733 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3734 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3735 Requires<[IsARM, HasV5TE]>;
3739 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3740 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3742 // Halfword multiply accumulate long: SMLAL<x><y>.
3743 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3744 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3745 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3746 Requires<[IsARM, HasV5TE]>;
3748 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3749 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3750 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3751 Requires<[IsARM, HasV5TE]>;
3753 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3754 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3755 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3756 Requires<[IsARM, HasV5TE]>;
3758 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3759 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3760 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3761 Requires<[IsARM, HasV5TE]>;
3763 // Helper class for AI_smld.
3764 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3765 InstrItinClass itin, string opc, string asm>
3766 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3769 let Inst{27-23} = 0b01110;
3770 let Inst{22} = long;
3771 let Inst{21-20} = 0b00;
3772 let Inst{11-8} = Rm;
3779 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3780 InstrItinClass itin, string opc, string asm>
3781 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3783 let Inst{15-12} = 0b1111;
3784 let Inst{19-16} = Rd;
3786 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3787 InstrItinClass itin, string opc, string asm>
3788 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3791 let Inst{19-16} = Rd;
3792 let Inst{15-12} = Ra;
3794 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3795 InstrItinClass itin, string opc, string asm>
3796 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3799 let Inst{19-16} = RdHi;
3800 let Inst{15-12} = RdLo;
3803 multiclass AI_smld<bit sub, string opc> {
3805 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3806 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3807 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3809 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3810 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3811 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3813 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3814 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3815 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3817 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3818 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3819 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3823 defm SMLA : AI_smld<0, "smla">;
3824 defm SMLS : AI_smld<1, "smls">;
3826 multiclass AI_sdml<bit sub, string opc> {
3828 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3829 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3830 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3831 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3834 defm SMUA : AI_sdml<0, "smua">;
3835 defm SMUS : AI_sdml<1, "smus">;
3837 //===----------------------------------------------------------------------===//
3838 // Misc. Arithmetic Instructions.
3841 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3842 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3843 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3845 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3846 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3847 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3848 Requires<[IsARM, HasV6T2]>;
3850 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3851 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3852 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3854 let AddedComplexity = 5 in
3855 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3856 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3857 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3858 Requires<[IsARM, HasV6]>;
3860 let AddedComplexity = 5 in
3861 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3862 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3863 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3864 Requires<[IsARM, HasV6]>;
3866 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3867 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3870 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3871 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3872 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3873 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3874 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3876 Requires<[IsARM, HasV6]>;
3878 // Alternate cases for PKHBT where identities eliminate some nodes.
3879 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3880 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3881 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3882 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3884 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3885 // will match the pattern below.
3886 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3887 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3888 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3889 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3890 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3892 Requires<[IsARM, HasV6]>;
3894 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3895 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3896 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3897 (srl GPRnopc:$src2, imm16_31:$sh)),
3898 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
3899 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3900 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
3901 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
3903 //===----------------------------------------------------------------------===//
3904 // Comparison Instructions...
3907 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3908 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3909 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3911 // ARMcmpZ can re-use the above instruction definitions.
3912 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3913 (CMPri GPR:$src, so_imm:$imm)>;
3914 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3915 (CMPrr GPR:$src, GPR:$rhs)>;
3916 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3917 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3918 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3919 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3921 // FIXME: We have to be careful when using the CMN instruction and comparison
3922 // with 0. One would expect these two pieces of code should give identical
3938 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3939 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3940 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3941 // value of r0 and the carry bit (because the "carry bit" parameter to
3942 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3943 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3944 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3945 // parameter to AddWithCarry is defined as 0).
3947 // When x is 0 and unsigned:
3951 // ~x + 1 = 0x1 0000 0000
3952 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3954 // Therefore, we should disable CMN when comparing against zero, until we can
3955 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3956 // when it's a comparison which doesn't look at the 'carry' flag).
3958 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3960 // This is related to <rdar://problem/7569620>.
3962 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3963 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3965 // Note that TST/TEQ don't set all the same flags that CMP does!
3966 defm TST : AI1_cmp_irs<0b1000, "tst",
3967 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3968 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3969 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3970 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3971 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3973 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3974 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3975 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3977 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3978 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3980 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3981 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3983 // Pseudo i64 compares for some floating point compares.
3984 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3986 def BCCi64 : PseudoInst<(outs),
3987 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3989 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3991 def BCCZi64 : PseudoInst<(outs),
3992 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3993 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3994 } // usesCustomInserter
3997 // Conditional moves
3998 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3999 // a two-value operand where a dag node expects two operands. :(
4000 let neverHasSideEffects = 1 in {
4002 let isCommutable = 1 in
4003 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
4005 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
4006 RegConstraint<"$false = $Rd">;
4008 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4009 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
4011 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
4012 imm:$cc, CCR:$ccr))*/]>,
4013 RegConstraint<"$false = $Rd">;
4014 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4015 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
4017 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4018 imm:$cc, CCR:$ccr))*/]>,
4019 RegConstraint<"$false = $Rd">;
4022 let isMoveImm = 1 in
4023 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
4024 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
4027 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4029 let isMoveImm = 1 in
4030 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4031 (ins GPR:$false, so_imm:$imm, pred:$p),
4033 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
4034 RegConstraint<"$false = $Rd">;
4036 // Two instruction predicate mov immediate.
4037 let isMoveImm = 1 in
4038 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
4039 (ins GPR:$false, i32imm:$src, pred:$p),
4040 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
4042 let isMoveImm = 1 in
4043 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4044 (ins GPR:$false, so_imm:$imm, pred:$p),
4046 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
4047 RegConstraint<"$false = $Rd">;
4049 // Conditional instructions
4050 multiclass AsI1_bincc_irs<Instruction iri, Instruction irr, Instruction irsi,
4052 InstrItinClass iii, InstrItinClass iir,
4053 InstrItinClass iis> {
4054 def ri : ARMPseudoExpand<(outs GPR:$Rd),
4055 (ins GPR:$Rn, so_imm:$imm, pred:$p, cc_out:$s),
4057 (iri GPR:$Rd, GPR:$Rn, so_imm:$imm, pred:$p, cc_out:$s)>,
4058 RegConstraint<"$Rn = $Rd">;
4059 def rr : ARMPseudoExpand<(outs GPR:$Rd),
4060 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4062 (irr GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4063 RegConstraint<"$Rn = $Rd">;
4064 def rsi : ARMPseudoExpand<(outs GPR:$Rd),
4065 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p, cc_out:$s),
4067 (irsi GPR:$Rd, GPR:$Rn, so_reg_imm:$shift, pred:$p, cc_out:$s)>,
4068 RegConstraint<"$Rn = $Rd">;
4069 def rsr : ARMPseudoExpand<(outs GPRnopc:$Rd),
4070 (ins GPRnopc:$Rn, so_reg_reg:$shift, pred:$p, cc_out:$s),
4072 (irsr GPR:$Rd, GPR:$Rn, so_reg_reg:$shift, pred:$p, cc_out:$s)>,
4073 RegConstraint<"$Rn = $Rd">;
4076 defm ANDCC : AsI1_bincc_irs<ANDri, ANDrr, ANDrsi, ANDrsr,
4077 IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
4078 defm ORRCC : AsI1_bincc_irs<ORRri, ORRrr, ORRrsi, ORRrsr,
4079 IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
4080 defm EORCC : AsI1_bincc_irs<EORri, EORrr, EORrsi, EORrsr,
4081 IIC_iBITi, IIC_iBITr, IIC_iBITsr>;
4083 } // neverHasSideEffects
4086 //===----------------------------------------------------------------------===//
4087 // Atomic operations intrinsics
4090 def MemBarrierOptOperand : AsmOperandClass {
4091 let Name = "MemBarrierOpt";
4092 let ParserMethod = "parseMemBarrierOptOperand";
4094 def memb_opt : Operand<i32> {
4095 let PrintMethod = "printMemBOption";
4096 let ParserMatchClass = MemBarrierOptOperand;
4097 let DecoderMethod = "DecodeMemBarrierOption";
4100 // memory barriers protect the atomic sequences
4101 let hasSideEffects = 1 in {
4102 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4103 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
4104 Requires<[IsARM, HasDB]> {
4106 let Inst{31-4} = 0xf57ff05;
4107 let Inst{3-0} = opt;
4111 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4112 "dsb", "\t$opt", []>,
4113 Requires<[IsARM, HasDB]> {
4115 let Inst{31-4} = 0xf57ff04;
4116 let Inst{3-0} = opt;
4119 // ISB has only full system option
4120 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4121 "isb", "\t$opt", []>,
4122 Requires<[IsARM, HasDB]> {
4124 let Inst{31-4} = 0xf57ff06;
4125 let Inst{3-0} = opt;
4128 // Pseudo isntruction that combines movs + predicated rsbmi
4129 // to implement integer ABS
4130 let usesCustomInserter = 1, Defs = [CPSR] in {
4131 def ABS : ARMPseudoInst<
4132 (outs GPR:$dst), (ins GPR:$src),
4133 8, NoItinerary, []>;
4136 let usesCustomInserter = 1 in {
4137 let Defs = [CPSR] in {
4138 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4139 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4140 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4141 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4142 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4143 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4144 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4145 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4146 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4147 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4148 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4149 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4150 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4151 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4152 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4153 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4154 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4155 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4156 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4157 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4158 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4159 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4160 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4161 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4162 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4163 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4164 [(set GPR:$dst, (atomic_load_umin_8 GPR:$ptr, GPR:$val))]>;
4165 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4166 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4167 [(set GPR:$dst, (atomic_load_umax_8 GPR:$ptr, GPR:$val))]>;
4168 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4169 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4170 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4171 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4172 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4173 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4174 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4175 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4176 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4177 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4178 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4179 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4180 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4181 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4182 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4183 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4184 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4185 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4186 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4187 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4188 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4189 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4190 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4191 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4192 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4193 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4194 [(set GPR:$dst, (atomic_load_umin_16 GPR:$ptr, GPR:$val))]>;
4195 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4196 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4197 [(set GPR:$dst, (atomic_load_umax_16 GPR:$ptr, GPR:$val))]>;
4198 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4199 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4200 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4201 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4202 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4203 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4204 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4205 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4206 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4207 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4208 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4209 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4210 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4211 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4212 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4213 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4214 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4215 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4216 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4217 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4218 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4219 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4220 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4221 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4222 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4223 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4224 [(set GPR:$dst, (atomic_load_umin_32 GPR:$ptr, GPR:$val))]>;
4225 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4226 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4227 [(set GPR:$dst, (atomic_load_umax_32 GPR:$ptr, GPR:$val))]>;
4229 def ATOMIC_SWAP_I8 : PseudoInst<
4230 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4231 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4232 def ATOMIC_SWAP_I16 : PseudoInst<
4233 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4234 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4235 def ATOMIC_SWAP_I32 : PseudoInst<
4236 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4237 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4239 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4240 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4241 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4242 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4243 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4244 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4245 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4246 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4247 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4251 let mayLoad = 1 in {
4252 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4254 "ldrexb", "\t$Rt, $addr", []>;
4255 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4256 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4257 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4258 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4259 let hasExtraDefRegAllocReq = 1 in
4260 def LDREXD: AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2),(ins addr_offset_none:$addr),
4261 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []> {
4262 let DecoderMethod = "DecodeDoubleRegLoad";
4266 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4267 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4268 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4269 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4270 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4271 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4272 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4273 let hasExtraSrcRegAllocReq = 1 in
4274 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4275 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
4276 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []> {
4277 let DecoderMethod = "DecodeDoubleRegStore";
4282 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
4283 Requires<[IsARM, HasV7]> {
4284 let Inst{31-0} = 0b11110101011111111111000000011111;
4287 // SWP/SWPB are deprecated in V6/V7.
4288 let mayLoad = 1, mayStore = 1 in {
4289 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4291 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4295 //===----------------------------------------------------------------------===//
4296 // Coprocessor Instructions.
4299 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4300 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4301 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4302 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4303 imm:$CRm, imm:$opc2)]> {
4311 let Inst{3-0} = CRm;
4313 let Inst{7-5} = opc2;
4314 let Inst{11-8} = cop;
4315 let Inst{15-12} = CRd;
4316 let Inst{19-16} = CRn;
4317 let Inst{23-20} = opc1;
4320 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4321 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4322 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4323 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4324 imm:$CRm, imm:$opc2)]> {
4325 let Inst{31-28} = 0b1111;
4333 let Inst{3-0} = CRm;
4335 let Inst{7-5} = opc2;
4336 let Inst{11-8} = cop;
4337 let Inst{15-12} = CRd;
4338 let Inst{19-16} = CRn;
4339 let Inst{23-20} = opc1;
4342 class ACI<dag oops, dag iops, string opc, string asm,
4343 IndexMode im = IndexModeNone>
4344 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4346 let Inst{27-25} = 0b110;
4348 class ACInoP<dag oops, dag iops, string opc, string asm,
4349 IndexMode im = IndexModeNone>
4350 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4352 let Inst{31-28} = 0b1111;
4353 let Inst{27-25} = 0b110;
4355 multiclass LdStCop<bit load, bit Dbit, string asm> {
4356 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4357 asm, "\t$cop, $CRd, $addr"> {
4361 let Inst{24} = 1; // P = 1
4362 let Inst{23} = addr{8};
4363 let Inst{22} = Dbit;
4364 let Inst{21} = 0; // W = 0
4365 let Inst{20} = load;
4366 let Inst{19-16} = addr{12-9};
4367 let Inst{15-12} = CRd;
4368 let Inst{11-8} = cop;
4369 let Inst{7-0} = addr{7-0};
4370 let DecoderMethod = "DecodeCopMemInstruction";
4372 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4373 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4377 let Inst{24} = 1; // P = 1
4378 let Inst{23} = addr{8};
4379 let Inst{22} = Dbit;
4380 let Inst{21} = 1; // W = 1
4381 let Inst{20} = load;
4382 let Inst{19-16} = addr{12-9};
4383 let Inst{15-12} = CRd;
4384 let Inst{11-8} = cop;
4385 let Inst{7-0} = addr{7-0};
4386 let DecoderMethod = "DecodeCopMemInstruction";
4388 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4389 postidx_imm8s4:$offset),
4390 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4395 let Inst{24} = 0; // P = 0
4396 let Inst{23} = offset{8};
4397 let Inst{22} = Dbit;
4398 let Inst{21} = 1; // W = 1
4399 let Inst{20} = load;
4400 let Inst{19-16} = addr;
4401 let Inst{15-12} = CRd;
4402 let Inst{11-8} = cop;
4403 let Inst{7-0} = offset{7-0};
4404 let DecoderMethod = "DecodeCopMemInstruction";
4406 def _OPTION : ACI<(outs),
4407 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4408 coproc_option_imm:$option),
4409 asm, "\t$cop, $CRd, $addr, $option"> {
4414 let Inst{24} = 0; // P = 0
4415 let Inst{23} = 1; // U = 1
4416 let Inst{22} = Dbit;
4417 let Inst{21} = 0; // W = 0
4418 let Inst{20} = load;
4419 let Inst{19-16} = addr;
4420 let Inst{15-12} = CRd;
4421 let Inst{11-8} = cop;
4422 let Inst{7-0} = option;
4423 let DecoderMethod = "DecodeCopMemInstruction";
4426 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4427 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4428 asm, "\t$cop, $CRd, $addr"> {
4432 let Inst{24} = 1; // P = 1
4433 let Inst{23} = addr{8};
4434 let Inst{22} = Dbit;
4435 let Inst{21} = 0; // W = 0
4436 let Inst{20} = load;
4437 let Inst{19-16} = addr{12-9};
4438 let Inst{15-12} = CRd;
4439 let Inst{11-8} = cop;
4440 let Inst{7-0} = addr{7-0};
4441 let DecoderMethod = "DecodeCopMemInstruction";
4443 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4444 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4448 let Inst{24} = 1; // P = 1
4449 let Inst{23} = addr{8};
4450 let Inst{22} = Dbit;
4451 let Inst{21} = 1; // W = 1
4452 let Inst{20} = load;
4453 let Inst{19-16} = addr{12-9};
4454 let Inst{15-12} = CRd;
4455 let Inst{11-8} = cop;
4456 let Inst{7-0} = addr{7-0};
4457 let DecoderMethod = "DecodeCopMemInstruction";
4459 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4460 postidx_imm8s4:$offset),
4461 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4466 let Inst{24} = 0; // P = 0
4467 let Inst{23} = offset{8};
4468 let Inst{22} = Dbit;
4469 let Inst{21} = 1; // W = 1
4470 let Inst{20} = load;
4471 let Inst{19-16} = addr;
4472 let Inst{15-12} = CRd;
4473 let Inst{11-8} = cop;
4474 let Inst{7-0} = offset{7-0};
4475 let DecoderMethod = "DecodeCopMemInstruction";
4477 def _OPTION : ACInoP<(outs),
4478 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4479 coproc_option_imm:$option),
4480 asm, "\t$cop, $CRd, $addr, $option"> {
4485 let Inst{24} = 0; // P = 0
4486 let Inst{23} = 1; // U = 1
4487 let Inst{22} = Dbit;
4488 let Inst{21} = 0; // W = 0
4489 let Inst{20} = load;
4490 let Inst{19-16} = addr;
4491 let Inst{15-12} = CRd;
4492 let Inst{11-8} = cop;
4493 let Inst{7-0} = option;
4494 let DecoderMethod = "DecodeCopMemInstruction";
4498 defm LDC : LdStCop <1, 0, "ldc">;
4499 defm LDCL : LdStCop <1, 1, "ldcl">;
4500 defm STC : LdStCop <0, 0, "stc">;
4501 defm STCL : LdStCop <0, 1, "stcl">;
4502 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4503 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4504 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4505 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4507 //===----------------------------------------------------------------------===//
4508 // Move between coprocessor and ARM core register.
4511 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4513 : ABI<0b1110, oops, iops, NoItinerary, opc,
4514 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4515 let Inst{20} = direction;
4525 let Inst{15-12} = Rt;
4526 let Inst{11-8} = cop;
4527 let Inst{23-21} = opc1;
4528 let Inst{7-5} = opc2;
4529 let Inst{3-0} = CRm;
4530 let Inst{19-16} = CRn;
4533 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4535 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4536 c_imm:$CRm, imm0_7:$opc2),
4537 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4538 imm:$CRm, imm:$opc2)]>;
4539 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4540 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4541 c_imm:$CRm, 0, pred:$p)>;
4542 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4544 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4546 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4547 (MRC GPR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4548 c_imm:$CRm, 0, pred:$p)>;
4550 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4551 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4553 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4555 : ABXI<0b1110, oops, iops, NoItinerary,
4556 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4557 let Inst{31-28} = 0b1111;
4558 let Inst{20} = direction;
4568 let Inst{15-12} = Rt;
4569 let Inst{11-8} = cop;
4570 let Inst{23-21} = opc1;
4571 let Inst{7-5} = opc2;
4572 let Inst{3-0} = CRm;
4573 let Inst{19-16} = CRn;
4576 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4578 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4579 c_imm:$CRm, imm0_7:$opc2),
4580 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4581 imm:$CRm, imm:$opc2)]>;
4582 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4583 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4585 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4587 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4589 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4590 (MRC2 GPR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4593 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4594 imm:$CRm, imm:$opc2),
4595 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4597 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4598 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4599 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
4600 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4601 let Inst{23-21} = 0b010;
4602 let Inst{20} = direction;
4610 let Inst{15-12} = Rt;
4611 let Inst{19-16} = Rt2;
4612 let Inst{11-8} = cop;
4613 let Inst{7-4} = opc1;
4614 let Inst{3-0} = CRm;
4617 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4618 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4620 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4622 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4623 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4624 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4625 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4626 let Inst{31-28} = 0b1111;
4627 let Inst{23-21} = 0b010;
4628 let Inst{20} = direction;
4636 let Inst{15-12} = Rt;
4637 let Inst{19-16} = Rt2;
4638 let Inst{11-8} = cop;
4639 let Inst{7-4} = opc1;
4640 let Inst{3-0} = CRm;
4643 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4644 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4646 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4648 //===----------------------------------------------------------------------===//
4649 // Move between special register and ARM core register
4652 // Move to ARM core register from Special Register
4653 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4654 "mrs", "\t$Rd, apsr", []> {
4656 let Inst{23-16} = 0b00001111;
4657 let Inst{15-12} = Rd;
4658 let Inst{7-4} = 0b0000;
4661 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4663 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4664 "mrs", "\t$Rd, spsr", []> {
4666 let Inst{23-16} = 0b01001111;
4667 let Inst{15-12} = Rd;
4668 let Inst{7-4} = 0b0000;
4671 // Move from ARM core register to Special Register
4673 // No need to have both system and application versions, the encodings are the
4674 // same and the assembly parser has no way to distinguish between them. The mask
4675 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4676 // the mask with the fields to be accessed in the special register.
4677 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4678 "msr", "\t$mask, $Rn", []> {
4683 let Inst{22} = mask{4}; // R bit
4684 let Inst{21-20} = 0b10;
4685 let Inst{19-16} = mask{3-0};
4686 let Inst{15-12} = 0b1111;
4687 let Inst{11-4} = 0b00000000;
4691 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4692 "msr", "\t$mask, $a", []> {
4697 let Inst{22} = mask{4}; // R bit
4698 let Inst{21-20} = 0b10;
4699 let Inst{19-16} = mask{3-0};
4700 let Inst{15-12} = 0b1111;
4704 //===----------------------------------------------------------------------===//
4708 // __aeabi_read_tp preserves the registers r1-r3.
4709 // This is a pseudo inst so that we can get the encoding right,
4710 // complete with fixup for the aeabi_read_tp function.
4712 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4713 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4714 [(set R0, ARMthread_pointer)]>;
4717 //===----------------------------------------------------------------------===//
4718 // SJLJ Exception handling intrinsics
4719 // eh_sjlj_setjmp() is an instruction sequence to store the return
4720 // address and save #0 in R0 for the non-longjmp case.
4721 // Since by its nature we may be coming from some other function to get
4722 // here, and we're using the stack frame for the containing function to
4723 // save/restore registers, we can't keep anything live in regs across
4724 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4725 // when we get here from a longjmp(). We force everything out of registers
4726 // except for our own input by listing the relevant registers in Defs. By
4727 // doing so, we also cause the prologue/epilogue code to actively preserve
4728 // all of the callee-saved resgisters, which is exactly what we want.
4729 // A constant value is passed in $val, and we use the location as a scratch.
4731 // These are pseudo-instructions and are lowered to individual MC-insts, so
4732 // no encoding information is necessary.
4734 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4735 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
4736 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4737 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4739 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4740 Requires<[IsARM, HasVFP2]>;
4744 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4745 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
4746 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4748 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4749 Requires<[IsARM, NoVFP]>;
4752 // FIXME: Non-IOS version(s)
4753 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4754 Defs = [ R7, LR, SP ] in {
4755 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4757 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4758 Requires<[IsARM, IsIOS]>;
4761 // eh.sjlj.dispatchsetup pseudo-instructions.
4762 // These pseudos are used for both ARM and Thumb2. Any differences are
4763 // handled when the pseudo is expanded (which happens before any passes
4764 // that need the instruction size).
4766 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4767 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
4769 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
4772 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4774 def Int_eh_sjlj_dispatchsetup_nofp : PseudoInst<(outs), (ins), NoItinerary, []>;
4777 //===----------------------------------------------------------------------===//
4778 // Non-Instruction Patterns
4781 // ARMv4 indirect branch using (MOVr PC, dst)
4782 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4783 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4784 4, IIC_Br, [(brind GPR:$dst)],
4785 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4786 Requires<[IsARM, NoV4T]>;
4788 // Large immediate handling.
4790 // 32-bit immediate using two piece so_imms or movw + movt.
4791 // This is a single pseudo instruction, the benefit is that it can be remat'd
4792 // as a single unit instead of having to handle reg inputs.
4793 // FIXME: Remove this when we can do generalized remat.
4794 let isReMaterializable = 1, isMoveImm = 1 in
4795 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4796 [(set GPR:$dst, (arm_i32imm:$src))]>,
4799 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4800 // It also makes it possible to rematerialize the instructions.
4801 // FIXME: Remove this when we can do generalized remat and when machine licm
4802 // can properly the instructions.
4803 let isReMaterializable = 1 in {
4804 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4806 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4807 Requires<[IsARM, UseMovt]>;
4809 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4811 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4812 Requires<[IsARM, UseMovt]>;
4814 let AddedComplexity = 10 in
4815 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4817 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4818 Requires<[IsARM, UseMovt]>;
4819 } // isReMaterializable
4821 // ConstantPool, GlobalAddress, and JumpTable
4822 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4823 Requires<[IsARM, DontUseMovt]>;
4824 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4825 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4826 Requires<[IsARM, UseMovt]>;
4827 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4828 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4830 // TODO: add,sub,and, 3-instr forms?
4833 def : ARMPat<(ARMtcret tcGPR:$dst),
4834 (TCRETURNri tcGPR:$dst)>, Requires<[IsIOS]>;
4836 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4837 (TCRETURNdi texternalsym:$dst)>, Requires<[IsIOS]>;
4839 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4840 (TCRETURNdi texternalsym:$dst)>, Requires<[IsIOS]>;
4842 def : ARMPat<(ARMtcret tcGPR:$dst),
4843 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotIOS]>;
4845 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4846 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotIOS]>;
4848 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4849 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotIOS]>;
4852 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4854 def : ARMPat<(ARMcall_nolink texternalsym:$func),
4855 (BMOVPCB_CALL texternalsym:$func)>, Requires<[IsARM]>;
4857 // zextload i1 -> zextload i8
4858 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4859 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4861 // extload -> zextload
4862 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4863 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4864 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4865 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4867 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4869 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4870 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4873 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4874 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4875 (SMULBB GPR:$a, GPR:$b)>;
4876 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4877 (SMULBB GPR:$a, GPR:$b)>;
4878 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4879 (sra GPR:$b, (i32 16))),
4880 (SMULBT GPR:$a, GPR:$b)>;
4881 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4882 (SMULBT GPR:$a, GPR:$b)>;
4883 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4884 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4885 (SMULTB GPR:$a, GPR:$b)>;
4886 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4887 (SMULTB GPR:$a, GPR:$b)>;
4888 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4890 (SMULWB GPR:$a, GPR:$b)>;
4891 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4892 (SMULWB GPR:$a, GPR:$b)>;
4894 def : ARMV5TEPat<(add GPR:$acc,
4895 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4896 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4897 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4898 def : ARMV5TEPat<(add GPR:$acc,
4899 (mul sext_16_node:$a, sext_16_node:$b)),
4900 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4901 def : ARMV5TEPat<(add GPR:$acc,
4902 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4903 (sra GPR:$b, (i32 16)))),
4904 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4905 def : ARMV5TEPat<(add GPR:$acc,
4906 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4907 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4908 def : ARMV5TEPat<(add GPR:$acc,
4909 (mul (sra GPR:$a, (i32 16)),
4910 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4911 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4912 def : ARMV5TEPat<(add GPR:$acc,
4913 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4914 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4915 def : ARMV5TEPat<(add GPR:$acc,
4916 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4918 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4919 def : ARMV5TEPat<(add GPR:$acc,
4920 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4921 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4924 // Pre-v7 uses MCR for synchronization barriers.
4925 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4926 Requires<[IsARM, HasV6]>;
4928 // SXT/UXT with no rotate
4929 let AddedComplexity = 16 in {
4930 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4931 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4932 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4933 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4934 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4935 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4936 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4939 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4940 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4942 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4943 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4944 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4945 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4947 // Atomic load/store patterns
4948 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
4949 (LDRBrs ldst_so_reg:$src)>;
4950 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
4951 (LDRBi12 addrmode_imm12:$src)>;
4952 def : ARMPat<(atomic_load_16 addrmode3:$src),
4953 (LDRH addrmode3:$src)>;
4954 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
4955 (LDRrs ldst_so_reg:$src)>;
4956 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
4957 (LDRi12 addrmode_imm12:$src)>;
4958 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
4959 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
4960 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
4961 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
4962 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
4963 (STRH GPR:$val, addrmode3:$ptr)>;
4964 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
4965 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
4966 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
4967 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
4970 //===----------------------------------------------------------------------===//
4974 include "ARMInstrThumb.td"
4976 //===----------------------------------------------------------------------===//
4980 include "ARMInstrThumb2.td"
4982 //===----------------------------------------------------------------------===//
4983 // Floating Point Support
4986 include "ARMInstrVFP.td"
4988 //===----------------------------------------------------------------------===//
4989 // Advanced SIMD (NEON) Support
4992 include "ARMInstrNEON.td"
4994 //===----------------------------------------------------------------------===//
4995 // Assembler aliases
4999 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5000 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5001 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5003 // System instructions
5004 def : MnemonicAlias<"swi", "svc">;
5006 // Load / Store Multiple
5007 def : MnemonicAlias<"ldmfd", "ldm">;
5008 def : MnemonicAlias<"ldmia", "ldm">;
5009 def : MnemonicAlias<"ldmea", "ldmdb">;
5010 def : MnemonicAlias<"stmfd", "stmdb">;
5011 def : MnemonicAlias<"stmia", "stm">;
5012 def : MnemonicAlias<"stmea", "stm">;
5014 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5015 // shift amount is zero (i.e., unspecified).
5016 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5017 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5018 Requires<[IsARM, HasV6]>;
5019 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5020 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5021 Requires<[IsARM, HasV6]>;
5023 // PUSH/POP aliases for STM/LDM
5024 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5025 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5027 // SSAT/USAT optional shift operand.
5028 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5029 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5030 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5031 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5034 // Extend instruction optional rotate operand.
5035 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5036 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5037 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5038 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5039 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5040 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5041 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5042 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5043 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5044 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5045 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5046 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5048 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5049 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5050 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5051 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5052 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5053 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5054 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5055 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5056 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5057 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5058 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5059 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5063 def : MnemonicAlias<"rfefa", "rfeda">;
5064 def : MnemonicAlias<"rfeea", "rfedb">;
5065 def : MnemonicAlias<"rfefd", "rfeia">;
5066 def : MnemonicAlias<"rfeed", "rfeib">;
5067 def : MnemonicAlias<"rfe", "rfeia">;
5070 def : MnemonicAlias<"srsfa", "srsda">;
5071 def : MnemonicAlias<"srsea", "srsdb">;
5072 def : MnemonicAlias<"srsfd", "srsia">;
5073 def : MnemonicAlias<"srsed", "srsib">;
5074 def : MnemonicAlias<"srs", "srsia">;
5077 def : MnemonicAlias<"qsubaddx", "qsax">;
5079 def : MnemonicAlias<"saddsubx", "sasx">;
5080 // SHASX == SHADDSUBX
5081 def : MnemonicAlias<"shaddsubx", "shasx">;
5082 // SHSAX == SHSUBADDX
5083 def : MnemonicAlias<"shsubaddx", "shsax">;
5085 def : MnemonicAlias<"ssubaddx", "ssax">;
5087 def : MnemonicAlias<"uaddsubx", "uasx">;
5088 // UHASX == UHADDSUBX
5089 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5090 // UHSAX == UHSUBADDX
5091 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5092 // UQASX == UQADDSUBX
5093 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5094 // UQSAX == UQSUBADDX
5095 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5097 def : MnemonicAlias<"usubaddx", "usax">;
5099 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5101 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5102 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5103 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5104 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5105 // Same for AND <--> BIC
5106 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5107 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5108 pred:$p, cc_out:$s)>;
5109 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5110 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5111 pred:$p, cc_out:$s)>;
5112 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5113 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5114 pred:$p, cc_out:$s)>;
5115 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5116 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5117 pred:$p, cc_out:$s)>;
5119 // Likewise, "add Rd, so_imm_neg" -> sub
5120 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5121 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5122 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5123 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5124 // Same for CMP <--> CMN via so_imm_neg
5125 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5126 (CMNzri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5127 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5128 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5130 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5131 // LSR, ROR, and RRX instructions.
5132 // FIXME: We need C++ parser hooks to map the alias to the MOV
5133 // encoding. It seems we should be able to do that sort of thing
5134 // in tblgen, but it could get ugly.
5135 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5136 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5138 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5139 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5141 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5142 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5144 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5145 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5147 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5148 (ins GPRnopc:$Rd, GPRnopc:$Rm, pred:$p, cc_out:$s)>;
5149 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5150 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5152 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5153 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5155 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5156 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5158 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5159 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5161 // shifter instructions also support a two-operand form.
5162 def : ARMInstAlias<"asr${s}${p} $Rm, $imm",
5163 (ASRi GPR:$Rm, GPR:$Rm, imm0_32:$imm, pred:$p, cc_out:$s)>;
5164 def : ARMInstAlias<"lsr${s}${p} $Rm, $imm",
5165 (LSRi GPR:$Rm, GPR:$Rm, imm0_32:$imm, pred:$p, cc_out:$s)>;
5166 def : ARMInstAlias<"lsl${s}${p} $Rm, $imm",
5167 (LSLi GPR:$Rm, GPR:$Rm, imm0_31:$imm, pred:$p, cc_out:$s)>;
5168 def : ARMInstAlias<"ror${s}${p} $Rm, $imm",
5169 (RORi GPR:$Rm, GPR:$Rm, imm0_31:$imm, pred:$p, cc_out:$s)>;
5170 def : ARMInstAlias<"asr${s}${p} $Rn, $Rm",
5171 (ASRr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5173 def : ARMInstAlias<"lsr${s}${p} $Rn, $Rm",
5174 (LSRr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5176 def : ARMInstAlias<"lsl${s}${p} $Rn, $Rm",
5177 (LSLr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5179 def : ARMInstAlias<"ror${s}${p} $Rn, $Rm",
5180 (RORr GPRnopc:$Rn, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5184 // 'mul' instruction can be specified with only two operands.
5185 def : ARMInstAlias<"mul${s}${p} $Rn, $Rm",
5186 (MUL rGPR:$Rn, rGPR:$Rm, rGPR:$Rn, pred:$p, cc_out:$s)>;
5188 // "neg" is and alias for "rsb rd, rn, #0"
5189 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5190 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5192 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5193 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5194 Requires<[IsARM, NoV6]>;
5196 // UMULL/SMULL are available on all arches, but the instruction definitions
5197 // need difference constraints pre-v6. Use these aliases for the assembly
5198 // parsing on pre-v6.
5199 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5200 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5201 Requires<[IsARM, NoV6]>;
5202 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5203 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5204 Requires<[IsARM, NoV6]>;
5206 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5208 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>;