1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisInt<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
68 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
70 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
71 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
73 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
76 SDTCisInt<0>, SDTCisVT<1, i32>]>;
78 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
79 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
86 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
87 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
88 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
89 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
91 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
92 [SDNPHasChain, SDNPOutGlue]>;
93 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
94 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
96 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
97 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
99 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
100 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
102 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
103 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
106 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
107 [SDNPHasChain, SDNPOptInGlue]>;
109 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
112 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
113 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
115 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
117 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
120 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
123 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
126 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
127 [SDNPOutGlue, SDNPCommutative]>;
129 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
131 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
132 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
133 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
135 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
137 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
138 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
139 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
141 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
142 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
143 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
144 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
145 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
146 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
147 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
150 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
152 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
154 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
155 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
157 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
159 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
160 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
163 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
165 //===----------------------------------------------------------------------===//
166 // ARM Instruction Predicate Definitions.
168 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
169 AssemblerPredicate<"HasV4TOps">;
170 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
171 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
172 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
173 AssemblerPredicate<"HasV5TEOps">;
174 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
175 AssemblerPredicate<"HasV6Ops">;
176 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
177 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
178 AssemblerPredicate<"HasV6T2Ops">;
179 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
180 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
181 AssemblerPredicate<"HasV7Ops">;
182 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
183 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
184 AssemblerPredicate<"FeatureVFP2">;
185 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
186 AssemblerPredicate<"FeatureVFP3">;
187 def HasNEON : Predicate<"Subtarget->hasNEON()">,
188 AssemblerPredicate<"FeatureNEON">;
189 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
190 AssemblerPredicate<"FeatureFP16">;
191 def HasDivide : Predicate<"Subtarget->hasDivide()">,
192 AssemblerPredicate<"FeatureHWDiv">;
193 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
194 AssemblerPredicate<"FeatureT2XtPk">;
195 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
196 AssemblerPredicate<"FeatureDSPThumb2">;
197 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
198 AssemblerPredicate<"FeatureDB">;
199 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
200 AssemblerPredicate<"FeatureMP">;
201 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
202 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
203 def IsThumb : Predicate<"Subtarget->isThumb()">,
204 AssemblerPredicate<"ModeThumb">;
205 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
206 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
207 AssemblerPredicate<"ModeThumb,FeatureThumb2">;
208 def IsARM : Predicate<"!Subtarget->isThumb()">,
209 AssemblerPredicate<"!ModeThumb">;
210 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
211 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
212 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">,
213 AssemblerPredicate<"ModeNaCl">;
215 // FIXME: Eventually this will be just "hasV6T2Ops".
216 def UseMovt : Predicate<"Subtarget->useMovt()">;
217 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
218 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
220 //===----------------------------------------------------------------------===//
221 // ARM Flag Definitions.
223 class RegConstraint<string C> {
224 string Constraints = C;
227 //===----------------------------------------------------------------------===//
228 // ARM specific transformation functions and pattern fragments.
231 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
232 // so_imm_neg def below.
233 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
234 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
237 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
238 // so_imm_not def below.
239 def so_imm_not_XFORM : SDNodeXForm<imm, [{
240 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
243 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
244 def imm1_15 : ImmLeaf<i32, [{
245 return (int32_t)Imm >= 1 && (int32_t)Imm < 16;
248 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
249 def imm16_31 : ImmLeaf<i32, [{
250 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
255 return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
256 }], so_imm_neg_XFORM>;
260 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
261 }], so_imm_not_XFORM>;
263 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
264 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
265 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
268 /// Split a 32-bit immediate into two 16 bit parts.
269 def hi16 : SDNodeXForm<imm, [{
270 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
273 def lo16AllZero : PatLeaf<(i32 imm), [{
274 // Returns true if all low 16-bits are 0.
275 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
278 /// imm0_65535 - An immediate is in the range [0.65535].
279 def Imm0_65535AsmOperand: AsmOperandClass { let Name = "Imm0_65535"; }
280 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
281 return Imm >= 0 && Imm < 65536;
283 let ParserMatchClass = Imm0_65535AsmOperand;
286 class BinOpWithFlagFrag<dag res> :
287 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
288 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
289 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
291 // An 'and' node with a single use.
292 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
293 return N->hasOneUse();
296 // An 'xor' node with a single use.
297 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
298 return N->hasOneUse();
301 // An 'fmul' node with a single use.
302 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
303 return N->hasOneUse();
306 // An 'fadd' node which checks for single non-hazardous use.
307 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
308 return hasNoVMLxHazardUse(N);
311 // An 'fsub' node which checks for single non-hazardous use.
312 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
313 return hasNoVMLxHazardUse(N);
316 //===----------------------------------------------------------------------===//
317 // Operand Definitions.
321 // FIXME: rename brtarget to t2_brtarget
322 def brtarget : Operand<OtherVT> {
323 let EncoderMethod = "getBranchTargetOpValue";
324 let OperandType = "OPERAND_PCREL";
325 let DecoderMethod = "DecodeT2BROperand";
328 // FIXME: get rid of this one?
329 def uncondbrtarget : Operand<OtherVT> {
330 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
331 let OperandType = "OPERAND_PCREL";
334 // Branch target for ARM. Handles conditional/unconditional
335 def br_target : Operand<OtherVT> {
336 let EncoderMethod = "getARMBranchTargetOpValue";
337 let OperandType = "OPERAND_PCREL";
341 // FIXME: rename bltarget to t2_bl_target?
342 def bltarget : Operand<i32> {
343 // Encoded the same as branch targets.
344 let EncoderMethod = "getBranchTargetOpValue";
345 let OperandType = "OPERAND_PCREL";
348 // Call target for ARM. Handles conditional/unconditional
349 // FIXME: rename bl_target to t2_bltarget?
350 def bl_target : Operand<i32> {
351 // Encoded the same as branch targets.
352 let EncoderMethod = "getARMBranchTargetOpValue";
353 let OperandType = "OPERAND_PCREL";
356 def blx_target : Operand<i32> {
357 // Encoded the same as branch targets.
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 MIOperandInfo = (ops GPR, GPR, i32imm);
477 // FIXME: Does this need to be distinct from so_reg?
478 def shift_so_reg_imm : Operand<i32>, // reg reg imm
479 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
480 [shl,srl,sra,rotr]> {
481 let EncoderMethod = "getSORegImmOpValue";
482 let PrintMethod = "printSORegImmOperand";
483 let DecoderMethod = "DecodeSORegImmOperand";
484 let MIOperandInfo = (ops GPR, i32imm);
488 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
489 // 8-bit immediate rotated by an arbitrary number of bits.
490 def SOImmAsmOperand: AsmOperandClass { let Name = "ARMSOImm"; }
491 def so_imm : Operand<i32>, ImmLeaf<i32, [{
492 return ARM_AM::getSOImmVal(Imm) != -1;
494 let EncoderMethod = "getSOImmOpValue";
495 let ParserMatchClass = SOImmAsmOperand;
496 let DecoderMethod = "DecodeSOImmOperand";
499 // Break so_imm's up into two pieces. This handles immediates with up to 16
500 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
501 // get the first/second pieces.
502 def so_imm2part : PatLeaf<(imm), [{
503 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
506 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
508 def arm_i32imm : PatLeaf<(imm), [{
509 if (Subtarget->hasV6T2Ops())
511 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
514 /// imm0_7 predicate - Immediate in the range [0,7].
515 def Imm0_7AsmOperand: AsmOperandClass { let Name = "Imm0_7"; }
516 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
517 return Imm >= 0 && Imm < 8;
519 let ParserMatchClass = Imm0_7AsmOperand;
522 /// imm0_15 predicate - Immediate in the range [0,15].
523 def Imm0_15AsmOperand: AsmOperandClass { let Name = "Imm0_15"; }
524 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
525 return Imm >= 0 && Imm < 16;
527 let ParserMatchClass = Imm0_15AsmOperand;
530 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
531 def Imm0_31AsmOperand: AsmOperandClass { let Name = "Imm0_31"; }
532 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
533 return Imm >= 0 && Imm < 32;
535 let ParserMatchClass = Imm0_31AsmOperand;
538 /// imm0_255 predicate - Immediate in the range [0,255].
539 def Imm0_255AsmOperand : AsmOperandClass { let Name = "Imm0_255"; }
540 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
541 let ParserMatchClass = Imm0_255AsmOperand;
544 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
545 // a relocatable expression.
547 // FIXME: This really needs a Thumb version separate from the ARM version.
548 // While the range is the same, and can thus use the same match class,
549 // the encoding is different so it should have a different encoder method.
550 def Imm0_65535ExprAsmOperand: AsmOperandClass { let Name = "Imm0_65535Expr"; }
551 def imm0_65535_expr : Operand<i32> {
552 let EncoderMethod = "getHiLo16ImmOpValue";
553 let ParserMatchClass = Imm0_65535ExprAsmOperand;
556 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
557 def Imm24bitAsmOperand: AsmOperandClass { let Name = "Imm24bit"; }
558 def imm24b : Operand<i32>, ImmLeaf<i32, [{
559 return Imm >= 0 && Imm <= 0xffffff;
561 let ParserMatchClass = Imm24bitAsmOperand;
565 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
567 def BitfieldAsmOperand : AsmOperandClass {
568 let Name = "Bitfield";
569 let ParserMethod = "parseBitfield";
571 def bf_inv_mask_imm : Operand<i32>,
573 return ARM::isBitFieldInvertedMask(N->getZExtValue());
575 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
576 let PrintMethod = "printBitfieldInvMaskImmOperand";
577 let DecoderMethod = "DecodeBitfieldMaskOperand";
578 let ParserMatchClass = BitfieldAsmOperand;
581 def imm1_32_XFORM: SDNodeXForm<imm, [{
582 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
584 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
585 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
586 uint64_t Imm = N->getZExtValue();
587 return Imm > 0 && Imm <= 32;
590 let PrintMethod = "printImmPlusOneOperand";
591 let ParserMatchClass = Imm1_32AsmOperand;
594 def imm1_16_XFORM: SDNodeXForm<imm, [{
595 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
597 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
598 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
600 let PrintMethod = "printImmPlusOneOperand";
601 let ParserMatchClass = Imm1_16AsmOperand;
604 // Define ARM specific addressing modes.
605 // addrmode_imm12 := reg +/- imm12
607 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
608 def addrmode_imm12 : Operand<i32>,
609 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
610 // 12-bit immediate operand. Note that instructions using this encode
611 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
612 // immediate values are as normal.
614 let EncoderMethod = "getAddrModeImm12OpValue";
615 let PrintMethod = "printAddrModeImm12Operand";
616 let DecoderMethod = "DecodeAddrModeImm12Operand";
617 let ParserMatchClass = MemImm12OffsetAsmOperand;
618 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
620 // ldst_so_reg := reg +/- reg shop imm
622 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
623 def ldst_so_reg : Operand<i32>,
624 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
625 let EncoderMethod = "getLdStSORegOpValue";
626 // FIXME: Simplify the printer
627 let PrintMethod = "printAddrMode2Operand";
628 let DecoderMethod = "DecodeSORegMemOperand";
629 let ParserMatchClass = MemRegOffsetAsmOperand;
630 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
633 // postidx_imm8 := +/- [0,255]
636 // {8} 1 is imm8 is non-negative. 0 otherwise.
637 // {7-0} [0,255] imm8 value.
638 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
639 def postidx_imm8 : Operand<i32> {
640 let PrintMethod = "printPostIdxImm8Operand";
641 let ParserMatchClass = PostIdxImm8AsmOperand;
642 let MIOperandInfo = (ops i32imm);
645 // postidx_imm8s4 := +/- [0,1020]
648 // {8} 1 is imm8 is non-negative. 0 otherwise.
649 // {7-0} [0,255] imm8 value, scaled by 4.
650 def postidx_imm8s4 : Operand<i32> {
651 let PrintMethod = "printPostIdxImm8s4Operand";
652 let MIOperandInfo = (ops i32imm);
656 // postidx_reg := +/- reg
658 def PostIdxRegAsmOperand : AsmOperandClass {
659 let Name = "PostIdxReg";
660 let ParserMethod = "parsePostIdxReg";
662 def postidx_reg : Operand<i32> {
663 let EncoderMethod = "getPostIdxRegOpValue";
664 let DecoderMethod = "DecodePostIdxReg";
665 let PrintMethod = "printPostIdxRegOperand";
666 let ParserMatchClass = PostIdxRegAsmOperand;
667 let MIOperandInfo = (ops GPR, i32imm);
671 // addrmode2 := reg +/- imm12
672 // := reg +/- reg shop imm
674 // FIXME: addrmode2 should be refactored the rest of the way to always
675 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
676 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
677 def addrmode2 : Operand<i32>,
678 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
679 let EncoderMethod = "getAddrMode2OpValue";
680 let PrintMethod = "printAddrMode2Operand";
681 let ParserMatchClass = AddrMode2AsmOperand;
682 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
685 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
686 let Name = "PostIdxRegShifted";
687 let ParserMethod = "parsePostIdxReg";
689 def am2offset_reg : Operand<i32>,
690 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
691 [], [SDNPWantRoot]> {
692 let EncoderMethod = "getAddrMode2OffsetOpValue";
693 let PrintMethod = "printAddrMode2OffsetOperand";
694 // When using this for assembly, it's always as a post-index offset.
695 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
696 let MIOperandInfo = (ops GPR, i32imm);
699 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
700 // the GPR is purely vestigal at this point.
701 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
702 def am2offset_imm : Operand<i32>,
703 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
704 [], [SDNPWantRoot]> {
705 let EncoderMethod = "getAddrMode2OffsetOpValue";
706 let PrintMethod = "printAddrMode2OffsetOperand";
707 let ParserMatchClass = AM2OffsetImmAsmOperand;
708 let MIOperandInfo = (ops GPR, i32imm);
712 // addrmode3 := reg +/- reg
713 // addrmode3 := reg +/- imm8
715 // FIXME: split into imm vs. reg versions.
716 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
717 def addrmode3 : Operand<i32>,
718 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
719 let EncoderMethod = "getAddrMode3OpValue";
720 let PrintMethod = "printAddrMode3Operand";
721 let ParserMatchClass = AddrMode3AsmOperand;
722 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
725 // FIXME: split into imm vs. reg versions.
726 // FIXME: parser method to handle +/- register.
727 def AM3OffsetAsmOperand : AsmOperandClass {
728 let Name = "AM3Offset";
729 let ParserMethod = "parseAM3Offset";
731 def am3offset : Operand<i32>,
732 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
733 [], [SDNPWantRoot]> {
734 let EncoderMethod = "getAddrMode3OffsetOpValue";
735 let PrintMethod = "printAddrMode3OffsetOperand";
736 let ParserMatchClass = AM3OffsetAsmOperand;
737 let MIOperandInfo = (ops GPR, i32imm);
740 // ldstm_mode := {ia, ib, da, db}
742 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
743 let EncoderMethod = "getLdStmModeOpValue";
744 let PrintMethod = "printLdStmModeOperand";
747 // addrmode5 := reg +/- imm8*4
749 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
750 def addrmode5 : Operand<i32>,
751 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
752 let PrintMethod = "printAddrMode5Operand";
753 let EncoderMethod = "getAddrMode5OpValue";
754 let DecoderMethod = "DecodeAddrMode5Operand";
755 let ParserMatchClass = AddrMode5AsmOperand;
756 let MIOperandInfo = (ops GPR:$base, i32imm);
759 // addrmode6 := reg with optional alignment
761 def addrmode6 : Operand<i32>,
762 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
763 let PrintMethod = "printAddrMode6Operand";
764 let MIOperandInfo = (ops GPR:$addr, i32imm);
765 let EncoderMethod = "getAddrMode6AddressOpValue";
766 let DecoderMethod = "DecodeAddrMode6Operand";
769 def am6offset : Operand<i32>,
770 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
771 [], [SDNPWantRoot]> {
772 let PrintMethod = "printAddrMode6OffsetOperand";
773 let MIOperandInfo = (ops GPR);
774 let EncoderMethod = "getAddrMode6OffsetOpValue";
775 let DecoderMethod = "DecodeGPRRegisterClass";
778 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
779 // (single element from one lane) for size 32.
780 def addrmode6oneL32 : Operand<i32>,
781 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
782 let PrintMethod = "printAddrMode6Operand";
783 let MIOperandInfo = (ops GPR:$addr, i32imm);
784 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
787 // Special version of addrmode6 to handle alignment encoding for VLD-dup
788 // instructions, specifically VLD4-dup.
789 def addrmode6dup : Operand<i32>,
790 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
791 let PrintMethod = "printAddrMode6Operand";
792 let MIOperandInfo = (ops GPR:$addr, i32imm);
793 let EncoderMethod = "getAddrMode6DupAddressOpValue";
796 // addrmodepc := pc + reg
798 def addrmodepc : Operand<i32>,
799 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
800 let PrintMethod = "printAddrModePCOperand";
801 let MIOperandInfo = (ops GPR, i32imm);
804 // addr_offset_none := reg
806 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
807 def addr_offset_none : Operand<i32>,
808 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
809 let PrintMethod = "printAddrMode7Operand";
810 let DecoderMethod = "DecodeAddrMode7Operand";
811 let ParserMatchClass = MemNoOffsetAsmOperand;
812 let MIOperandInfo = (ops GPR:$base);
815 def nohash_imm : Operand<i32> {
816 let PrintMethod = "printNoHashImmediate";
819 def CoprocNumAsmOperand : AsmOperandClass {
820 let Name = "CoprocNum";
821 let ParserMethod = "parseCoprocNumOperand";
823 def p_imm : Operand<i32> {
824 let PrintMethod = "printPImmediate";
825 let ParserMatchClass = CoprocNumAsmOperand;
826 let DecoderMethod = "DecodeCoprocessor";
829 def CoprocRegAsmOperand : AsmOperandClass {
830 let Name = "CoprocReg";
831 let ParserMethod = "parseCoprocRegOperand";
833 def c_imm : Operand<i32> {
834 let PrintMethod = "printCImmediate";
835 let ParserMatchClass = CoprocRegAsmOperand;
838 //===----------------------------------------------------------------------===//
840 include "ARMInstrFormats.td"
842 //===----------------------------------------------------------------------===//
843 // Multiclass helpers...
846 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
847 /// binop that produces a value.
848 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
849 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
850 PatFrag opnode, string baseOpc, bit Commutable = 0> {
851 // The register-immediate version is re-materializable. This is useful
852 // in particular for taking the address of a local.
853 let isReMaterializable = 1 in {
854 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
855 iii, opc, "\t$Rd, $Rn, $imm",
856 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
861 let Inst{19-16} = Rn;
862 let Inst{15-12} = Rd;
863 let Inst{11-0} = imm;
866 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
867 iir, opc, "\t$Rd, $Rn, $Rm",
868 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
873 let isCommutable = Commutable;
874 let Inst{19-16} = Rn;
875 let Inst{15-12} = Rd;
876 let Inst{11-4} = 0b00000000;
880 def rsi : AsI1<opcod, (outs GPR:$Rd),
881 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
882 iis, opc, "\t$Rd, $Rn, $shift",
883 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]> {
888 let Inst{19-16} = Rn;
889 let Inst{15-12} = Rd;
890 let Inst{11-5} = shift{11-5};
892 let Inst{3-0} = shift{3-0};
895 def rsr : AsI1<opcod, (outs GPR:$Rd),
896 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
897 iis, opc, "\t$Rd, $Rn, $shift",
898 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]> {
903 let Inst{19-16} = Rn;
904 let Inst{15-12} = Rd;
905 let Inst{11-8} = shift{11-8};
907 let Inst{6-5} = shift{6-5};
909 let Inst{3-0} = shift{3-0};
912 // Assembly aliases for optional destination operand when it's the same
913 // as the source operand.
914 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
915 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
916 so_imm:$imm, pred:$p,
919 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
920 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
924 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
925 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
926 so_reg_imm:$shift, pred:$p,
929 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
930 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
931 so_reg_reg:$shift, pred:$p,
937 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
938 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
939 /// it is equivalent to the AsI1_bin_irs counterpart.
940 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
941 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
942 PatFrag opnode, string baseOpc, bit Commutable = 0> {
943 // The register-immediate version is re-materializable. This is useful
944 // in particular for taking the address of a local.
945 let isReMaterializable = 1 in {
946 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
947 iii, opc, "\t$Rd, $Rn, $imm",
948 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]> {
953 let Inst{19-16} = Rn;
954 let Inst{15-12} = Rd;
955 let Inst{11-0} = imm;
958 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
959 iir, opc, "\t$Rd, $Rn, $Rm",
960 [/* pattern left blank */]> {
964 let Inst{11-4} = 0b00000000;
967 let Inst{15-12} = Rd;
968 let Inst{19-16} = Rn;
971 def rsi : AsI1<opcod, (outs GPR:$Rd),
972 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
973 iis, opc, "\t$Rd, $Rn, $shift",
974 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]> {
979 let Inst{19-16} = Rn;
980 let Inst{15-12} = Rd;
981 let Inst{11-5} = shift{11-5};
983 let Inst{3-0} = shift{3-0};
986 def rsr : AsI1<opcod, (outs GPR:$Rd),
987 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
988 iis, opc, "\t$Rd, $Rn, $shift",
989 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
994 let Inst{19-16} = Rn;
995 let Inst{15-12} = Rd;
996 let Inst{11-8} = shift{11-8};
998 let Inst{6-5} = shift{6-5};
1000 let Inst{3-0} = shift{3-0};
1003 // Assembly aliases for optional destination operand when it's the same
1004 // as the source operand.
1005 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1006 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1007 so_imm:$imm, pred:$p,
1010 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1011 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1015 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1016 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1017 so_reg_imm:$shift, pred:$p,
1020 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1021 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1022 so_reg_reg:$shift, pred:$p,
1028 /// AsI1_rbin_s_is - Same as AsI1_rbin_s_is except it sets 's' bit by default.
1030 /// These opcodes will be converted to the real non-S opcodes by
1031 /// AdjustInstrPostInstrSelection after giving then an optional CPSR operand.
1032 let hasPostISelHook = 1, isCodeGenOnly = 1, isPseudo = 1, Defs = [CPSR] in {
1033 multiclass AsI1_rbin_s_is<bits<4> opcod, string opc,
1034 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1035 PatFrag opnode, bit Commutable = 0> {
1036 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1037 iii, opc, "\t$Rd, $Rn, $imm",
1038 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>;
1040 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1041 iir, opc, "\t$Rd, $Rn, $Rm",
1042 [/* pattern left blank */]>;
1044 def rsi : AsI1<opcod, (outs GPR:$Rd),
1045 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1046 iis, opc, "\t$Rd, $Rn, $shift",
1047 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn))]>;
1049 def rsr : AsI1<opcod, (outs GPR:$Rd),
1050 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1051 iis, opc, "\t$Rd, $Rn, $shift",
1052 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn))]> {
1057 let Inst{19-16} = Rn;
1058 let Inst{15-12} = Rd;
1059 let Inst{11-8} = shift{11-8};
1061 let Inst{6-5} = shift{6-5};
1063 let Inst{3-0} = shift{3-0};
1068 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1070 /// These opcodes will be converted to the real non-S opcodes by
1071 /// AdjustInstrPostInstrSelection after giving then an optional CPSR operand.
1072 let hasPostISelHook = 1, isCodeGenOnly = 1, isPseudo = 1, Defs = [CPSR] in {
1073 multiclass AsI1_bin_s_irs<bits<4> opcod, string opc,
1074 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1075 PatFrag opnode, bit Commutable = 0> {
1076 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1077 iii, opc, "\t$Rd, $Rn, $imm",
1078 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>;
1079 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1080 iir, opc, "\t$Rd, $Rn, $Rm",
1081 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>;
1082 def rsi : AsI1<opcod, (outs GPR:$Rd),
1083 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1084 iis, opc, "\t$Rd, $Rn, $shift",
1085 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift))]>;
1087 def rsr : AsI1<opcod, (outs GPR:$Rd),
1088 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1089 iis, opc, "\t$Rd, $Rn, $shift",
1090 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift))]>;
1094 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1095 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1096 /// a explicit result, only implicitly set CPSR.
1097 let isCompare = 1, Defs = [CPSR] in {
1098 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1099 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1100 PatFrag opnode, bit Commutable = 0> {
1101 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1103 [(opnode GPR:$Rn, so_imm:$imm)]> {
1108 let Inst{19-16} = Rn;
1109 let Inst{15-12} = 0b0000;
1110 let Inst{11-0} = imm;
1112 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1114 [(opnode GPR:$Rn, GPR:$Rm)]> {
1117 let isCommutable = Commutable;
1120 let Inst{19-16} = Rn;
1121 let Inst{15-12} = 0b0000;
1122 let Inst{11-4} = 0b00000000;
1125 def rsi : AI1<opcod, (outs),
1126 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1127 opc, "\t$Rn, $shift",
1128 [(opnode GPR:$Rn, so_reg_imm:$shift)]> {
1133 let Inst{19-16} = Rn;
1134 let Inst{15-12} = 0b0000;
1135 let Inst{11-5} = shift{11-5};
1137 let Inst{3-0} = shift{3-0};
1139 def rsr : AI1<opcod, (outs),
1140 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1141 opc, "\t$Rn, $shift",
1142 [(opnode GPR:$Rn, so_reg_reg:$shift)]> {
1147 let Inst{19-16} = Rn;
1148 let Inst{15-12} = 0b0000;
1149 let Inst{11-8} = shift{11-8};
1151 let Inst{6-5} = shift{6-5};
1153 let Inst{3-0} = shift{3-0};
1159 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1160 /// register and one whose operand is a register rotated by 8/16/24.
1161 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1162 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1163 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1164 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1165 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1166 Requires<[IsARM, HasV6]> {
1170 let Inst{19-16} = 0b1111;
1171 let Inst{15-12} = Rd;
1172 let Inst{11-10} = rot;
1176 class AI_ext_rrot_np<bits<8> opcod, string opc>
1177 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1178 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1179 Requires<[IsARM, HasV6]> {
1181 let Inst{19-16} = 0b1111;
1182 let Inst{11-10} = rot;
1185 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1186 /// register and one whose operand is a register rotated by 8/16/24.
1187 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1188 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1189 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1190 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1191 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1192 Requires<[IsARM, HasV6]> {
1197 let Inst{19-16} = Rn;
1198 let Inst{15-12} = Rd;
1199 let Inst{11-10} = rot;
1200 let Inst{9-4} = 0b000111;
1204 class AI_exta_rrot_np<bits<8> opcod, string opc>
1205 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1206 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1207 Requires<[IsARM, HasV6]> {
1210 let Inst{19-16} = Rn;
1211 let Inst{11-10} = rot;
1214 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1215 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1216 string baseOpc, bit Commutable = 0> {
1217 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1218 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1219 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1220 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1226 let Inst{15-12} = Rd;
1227 let Inst{19-16} = Rn;
1228 let Inst{11-0} = imm;
1230 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1231 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1232 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1237 let Inst{11-4} = 0b00000000;
1239 let isCommutable = Commutable;
1241 let Inst{15-12} = Rd;
1242 let Inst{19-16} = Rn;
1244 def rsi : AsI1<opcod, (outs GPR:$Rd),
1245 (ins GPR:$Rn, so_reg_imm:$shift),
1246 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1247 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1253 let Inst{19-16} = Rn;
1254 let Inst{15-12} = Rd;
1255 let Inst{11-5} = shift{11-5};
1257 let Inst{3-0} = shift{3-0};
1259 def rsr : AsI1<opcod, (outs GPR:$Rd),
1260 (ins GPR:$Rn, so_reg_reg:$shift),
1261 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1262 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_reg:$shift, CPSR))]>,
1268 let Inst{19-16} = Rn;
1269 let Inst{15-12} = Rd;
1270 let Inst{11-8} = shift{11-8};
1272 let Inst{6-5} = shift{6-5};
1274 let Inst{3-0} = shift{3-0};
1278 // Assembly aliases for optional destination operand when it's the same
1279 // as the source operand.
1280 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1281 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1282 so_imm:$imm, pred:$p,
1285 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1286 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1290 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1291 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1292 so_reg_imm:$shift, pred:$p,
1295 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1296 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1297 so_reg_reg:$shift, pred:$p,
1302 /// AI1_rsc_irs - Define instructions and patterns for rsc
1303 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode,
1305 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1306 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1307 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1308 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1314 let Inst{15-12} = Rd;
1315 let Inst{19-16} = Rn;
1316 let Inst{11-0} = imm;
1318 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1319 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1320 [/* pattern left blank */]> {
1324 let Inst{11-4} = 0b00000000;
1327 let Inst{15-12} = Rd;
1328 let Inst{19-16} = Rn;
1330 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1331 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1332 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1338 let Inst{19-16} = Rn;
1339 let Inst{15-12} = Rd;
1340 let Inst{11-5} = shift{11-5};
1342 let Inst{3-0} = shift{3-0};
1344 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1345 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1346 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1352 let Inst{19-16} = Rn;
1353 let Inst{15-12} = Rd;
1354 let Inst{11-8} = shift{11-8};
1356 let Inst{6-5} = shift{6-5};
1358 let Inst{3-0} = shift{3-0};
1362 // Assembly aliases for optional destination operand when it's the same
1363 // as the source operand.
1364 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $imm"),
1365 (!cast<Instruction>(!strconcat(baseOpc, "ri")) GPR:$Rdn, GPR:$Rdn,
1366 so_imm:$imm, pred:$p,
1369 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $Rm"),
1370 (!cast<Instruction>(!strconcat(baseOpc, "rr")) GPR:$Rdn, GPR:$Rdn,
1374 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1375 (!cast<Instruction>(!strconcat(baseOpc, "rsi")) GPR:$Rdn, GPR:$Rdn,
1376 so_reg_imm:$shift, pred:$p,
1379 def : InstAlias<!strconcat(opc, "${s}${p} $Rdn, $shift"),
1380 (!cast<Instruction>(!strconcat(baseOpc, "rsr")) GPR:$Rdn, GPR:$Rdn,
1381 so_reg_reg:$shift, pred:$p,
1386 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1387 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1388 InstrItinClass iir, PatFrag opnode> {
1389 // Note: We use the complex addrmode_imm12 rather than just an input
1390 // GPR and a constrained immediate so that we can use this to match
1391 // frame index references and avoid matching constant pool references.
1392 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1393 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1394 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1397 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1398 let Inst{19-16} = addr{16-13}; // Rn
1399 let Inst{15-12} = Rt;
1400 let Inst{11-0} = addr{11-0}; // imm12
1402 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1403 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1404 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1407 let shift{4} = 0; // Inst{4} = 0
1408 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1409 let Inst{19-16} = shift{16-13}; // Rn
1410 let Inst{15-12} = Rt;
1411 let Inst{11-0} = shift{11-0};
1416 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1417 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1418 InstrItinClass iir, PatFrag opnode> {
1419 // Note: We use the complex addrmode_imm12 rather than just an input
1420 // GPR and a constrained immediate so that we can use this to match
1421 // frame index references and avoid matching constant pool references.
1422 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt), (ins addrmode_imm12:$addr),
1423 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1424 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1427 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1428 let Inst{19-16} = addr{16-13}; // Rn
1429 let Inst{15-12} = Rt;
1430 let Inst{11-0} = addr{11-0}; // imm12
1432 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt), (ins ldst_so_reg:$shift),
1433 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1434 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1437 let shift{4} = 0; // Inst{4} = 0
1438 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1439 let Inst{19-16} = shift{16-13}; // Rn
1440 let Inst{15-12} = Rt;
1441 let Inst{11-0} = shift{11-0};
1447 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1448 InstrItinClass iir, PatFrag opnode> {
1449 // Note: We use the complex addrmode_imm12 rather than just an input
1450 // GPR and a constrained immediate so that we can use this to match
1451 // frame index references and avoid matching constant pool references.
1452 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1453 (ins GPR:$Rt, addrmode_imm12:$addr),
1454 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1455 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1458 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1459 let Inst{19-16} = addr{16-13}; // Rn
1460 let Inst{15-12} = Rt;
1461 let Inst{11-0} = addr{11-0}; // imm12
1463 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1464 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1465 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1468 let shift{4} = 0; // Inst{4} = 0
1469 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1470 let Inst{19-16} = shift{16-13}; // Rn
1471 let Inst{15-12} = Rt;
1472 let Inst{11-0} = shift{11-0};
1476 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1477 InstrItinClass iir, PatFrag opnode> {
1478 // Note: We use the complex addrmode_imm12 rather than just an input
1479 // GPR and a constrained immediate so that we can use this to match
1480 // frame index references and avoid matching constant pool references.
1481 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1482 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1483 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1484 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1487 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1488 let Inst{19-16} = addr{16-13}; // Rn
1489 let Inst{15-12} = Rt;
1490 let Inst{11-0} = addr{11-0}; // imm12
1492 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1493 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1494 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1497 let shift{4} = 0; // Inst{4} = 0
1498 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1499 let Inst{19-16} = shift{16-13}; // Rn
1500 let Inst{15-12} = Rt;
1501 let Inst{11-0} = shift{11-0};
1506 //===----------------------------------------------------------------------===//
1508 //===----------------------------------------------------------------------===//
1510 //===----------------------------------------------------------------------===//
1511 // Miscellaneous Instructions.
1514 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1515 /// the function. The first operand is the ID# for this instruction, the second
1516 /// is the index into the MachineConstantPool that this is, the third is the
1517 /// size in bytes of this constant pool entry.
1518 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1519 def CONSTPOOL_ENTRY :
1520 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1521 i32imm:$size), NoItinerary, []>;
1523 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1524 // from removing one half of the matched pairs. That breaks PEI, which assumes
1525 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1526 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1527 def ADJCALLSTACKUP :
1528 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1529 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1531 def ADJCALLSTACKDOWN :
1532 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1533 [(ARMcallseq_start timm:$amt)]>;
1536 // Atomic pseudo-insts which will be lowered to ldrexd/strexd loops.
1537 // (These psuedos use a hand-written selection code).
1538 let usesCustomInserter = 1, Defs = [CPSR], mayLoad = 1, mayStore = 1 in {
1539 def ATOMOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1540 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1542 def ATOMXOR6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1543 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1545 def ATOMADD6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1546 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1548 def ATOMSUB6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1549 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1551 def ATOMNAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1552 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1554 def ATOMAND6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1555 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1557 def ATOMSWAP6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1558 (ins GPR:$addr, GPR:$src1, GPR:$src2),
1560 def ATOMCMPXCHG6432 : PseudoInst<(outs GPR:$dst1, GPR:$dst2),
1561 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
1562 GPR:$set1, GPR:$set2),
1566 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "", []>,
1567 Requires<[IsARM, HasV6T2]> {
1568 let Inst{27-16} = 0b001100100000;
1569 let Inst{15-8} = 0b11110000;
1570 let Inst{7-0} = 0b00000000;
1573 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "", []>,
1574 Requires<[IsARM, HasV6T2]> {
1575 let Inst{27-16} = 0b001100100000;
1576 let Inst{15-8} = 0b11110000;
1577 let Inst{7-0} = 0b00000001;
1580 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "", []>,
1581 Requires<[IsARM, HasV6T2]> {
1582 let Inst{27-16} = 0b001100100000;
1583 let Inst{15-8} = 0b11110000;
1584 let Inst{7-0} = 0b00000010;
1587 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "", []>,
1588 Requires<[IsARM, HasV6T2]> {
1589 let Inst{27-16} = 0b001100100000;
1590 let Inst{15-8} = 0b11110000;
1591 let Inst{7-0} = 0b00000011;
1594 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1595 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1600 let Inst{15-12} = Rd;
1601 let Inst{19-16} = Rn;
1602 let Inst{27-20} = 0b01101000;
1603 let Inst{7-4} = 0b1011;
1604 let Inst{11-8} = 0b1111;
1607 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
1608 []>, Requires<[IsARM, HasV6T2]> {
1609 let Inst{27-16} = 0b001100100000;
1610 let Inst{15-8} = 0b11110000;
1611 let Inst{7-0} = 0b00000100;
1614 // The i32imm operand $val can be used by a debugger to store more information
1615 // about the breakpoint.
1616 def BKPT : AI<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1617 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1619 let Inst{3-0} = val{3-0};
1620 let Inst{19-8} = val{15-4};
1621 let Inst{27-20} = 0b00010010;
1622 let Inst{7-4} = 0b0111;
1625 // Change Processor State
1626 // FIXME: We should use InstAlias to handle the optional operands.
1627 class CPS<dag iops, string asm_ops>
1628 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1629 []>, Requires<[IsARM]> {
1635 let Inst{31-28} = 0b1111;
1636 let Inst{27-20} = 0b00010000;
1637 let Inst{19-18} = imod;
1638 let Inst{17} = M; // Enabled if mode is set;
1640 let Inst{8-6} = iflags;
1642 let Inst{4-0} = mode;
1645 let DecoderMethod = "DecodeCPSInstruction" in {
1647 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1648 "$imod\t$iflags, $mode">;
1649 let mode = 0, M = 0 in
1650 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1652 let imod = 0, iflags = 0, M = 1 in
1653 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1656 // Preload signals the memory system of possible future data/instruction access.
1657 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1659 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1660 !strconcat(opc, "\t$addr"),
1661 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1664 let Inst{31-26} = 0b111101;
1665 let Inst{25} = 0; // 0 for immediate form
1666 let Inst{24} = data;
1667 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1668 let Inst{22} = read;
1669 let Inst{21-20} = 0b01;
1670 let Inst{19-16} = addr{16-13}; // Rn
1671 let Inst{15-12} = 0b1111;
1672 let Inst{11-0} = addr{11-0}; // imm12
1675 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1676 !strconcat(opc, "\t$shift"),
1677 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1679 let Inst{31-26} = 0b111101;
1680 let Inst{25} = 1; // 1 for register form
1681 let Inst{24} = data;
1682 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1683 let Inst{22} = read;
1684 let Inst{21-20} = 0b01;
1685 let Inst{19-16} = shift{16-13}; // Rn
1686 let Inst{15-12} = 0b1111;
1687 let Inst{11-0} = shift{11-0};
1692 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1693 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1694 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1696 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1697 "setend\t$end", []>, Requires<[IsARM]> {
1699 let Inst{31-10} = 0b1111000100000001000000;
1704 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1705 []>, Requires<[IsARM, HasV7]> {
1707 let Inst{27-4} = 0b001100100000111100001111;
1708 let Inst{3-0} = opt;
1711 // A5.4 Permanently UNDEFINED instructions.
1712 let isBarrier = 1, isTerminator = 1 in
1713 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1716 let Inst = 0xe7ffdefe;
1719 // Address computation and loads and stores in PIC mode.
1720 let isNotDuplicable = 1 in {
1721 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1723 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1725 let AddedComplexity = 10 in {
1726 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1728 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1730 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1732 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1734 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1736 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1738 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1740 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1742 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1744 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1746 let AddedComplexity = 10 in {
1747 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1748 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1750 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1751 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1752 addrmodepc:$addr)]>;
1754 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1755 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1757 } // isNotDuplicable = 1
1760 // LEApcrel - Load a pc-relative address into a register without offending the
1762 let neverHasSideEffects = 1, isReMaterializable = 1 in
1763 // The 'adr' mnemonic encodes differently if the label is before or after
1764 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1765 // know until then which form of the instruction will be used.
1766 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1767 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []> {
1770 let Inst{27-25} = 0b001;
1772 let Inst{23-22} = label{13-12};
1775 let Inst{19-16} = 0b1111;
1776 let Inst{15-12} = Rd;
1777 let Inst{11-0} = label{11-0};
1779 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1782 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1783 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1786 //===----------------------------------------------------------------------===//
1787 // Control Flow Instructions.
1790 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1792 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1793 "bx", "\tlr", [(ARMretflag)]>,
1794 Requires<[IsARM, HasV4T]> {
1795 let Inst{27-0} = 0b0001001011111111111100011110;
1799 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1800 "mov", "\tpc, lr", [(ARMretflag)]>,
1801 Requires<[IsARM, NoV4T]> {
1802 let Inst{27-0} = 0b0001101000001111000000001110;
1806 // Indirect branches
1807 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1809 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1810 [(brind GPR:$dst)]>,
1811 Requires<[IsARM, HasV4T]> {
1813 let Inst{31-4} = 0b1110000100101111111111110001;
1814 let Inst{3-0} = dst;
1817 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1818 "bx", "\t$dst", [/* pattern left blank */]>,
1819 Requires<[IsARM, HasV4T]> {
1821 let Inst{27-4} = 0b000100101111111111110001;
1822 let Inst{3-0} = dst;
1826 // All calls clobber the non-callee saved registers. SP is marked as
1827 // a use to prevent stack-pointer assignments that appear immediately
1828 // before calls from potentially appearing dead.
1830 // On non-Darwin platforms R9 is callee-saved.
1831 // FIXME: Do we really need a non-predicated version? If so, it should
1832 // at least be a pseudo instruction expanding to the predicated version
1833 // at MC lowering time.
1834 Defs = [R0, R1, R2, R3, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1836 def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1837 IIC_Br, "bl\t$func",
1838 [(ARMcall tglobaladdr:$func)]>,
1839 Requires<[IsARM, IsNotDarwin]> {
1840 let Inst{31-28} = 0b1110;
1842 let Inst{23-0} = func;
1843 let DecoderMethod = "DecodeBranchImmInstruction";
1846 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
1847 IIC_Br, "bl", "\t$func",
1848 [(ARMcall_pred tglobaladdr:$func)]>,
1849 Requires<[IsARM, IsNotDarwin]> {
1851 let Inst{23-0} = func;
1852 let DecoderMethod = "DecodeBranchImmInstruction";
1856 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1857 IIC_Br, "blx\t$func",
1858 [(ARMcall GPR:$func)]>,
1859 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1861 let Inst{31-4} = 0b1110000100101111111111110011;
1862 let Inst{3-0} = func;
1865 def BLX_pred : AI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1866 IIC_Br, "blx", "\t$func",
1867 [(ARMcall_pred GPR:$func)]>,
1868 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1870 let Inst{27-4} = 0b000100101111111111110011;
1871 let Inst{3-0} = func;
1875 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1876 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1877 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1878 Requires<[IsARM, HasV4T, IsNotDarwin]>;
1881 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1882 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1883 Requires<[IsARM, NoV4T, IsNotDarwin]>;
1887 // On Darwin R9 is call-clobbered.
1888 // R7 is marked as a use to prevent frame-pointer assignments from being
1889 // moved above / below calls.
1890 Defs = [R0, R1, R2, R3, R9, R12, LR, QQQQ0, QQQQ2, QQQQ3, CPSR, FPSCR],
1891 Uses = [R7, SP] in {
1892 def BLr9 : ARMPseudoExpand<(outs), (ins bl_target:$func, variable_ops),
1894 [(ARMcall tglobaladdr:$func)], (BL bl_target:$func)>,
1895 Requires<[IsARM, IsDarwin]>;
1897 def BLr9_pred : ARMPseudoExpand<(outs),
1898 (ins bl_target:$func, pred:$p, variable_ops),
1900 [(ARMcall_pred tglobaladdr:$func)],
1901 (BL_pred bl_target:$func, pred:$p)>,
1902 Requires<[IsARM, IsDarwin]>;
1905 def BLXr9 : ARMPseudoExpand<(outs), (ins GPR:$func, variable_ops),
1907 [(ARMcall GPR:$func)],
1909 Requires<[IsARM, HasV5T, IsDarwin]>;
1911 def BLXr9_pred: ARMPseudoExpand<(outs), (ins GPR:$func, pred:$p,variable_ops),
1913 [(ARMcall_pred GPR:$func)],
1914 (BLX_pred GPR:$func, pred:$p)>,
1915 Requires<[IsARM, HasV5T, IsDarwin]>;
1918 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1919 def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1920 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1921 Requires<[IsARM, HasV4T, IsDarwin]>;
1924 def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
1925 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
1926 Requires<[IsARM, NoV4T, IsDarwin]>;
1929 let isBranch = 1, isTerminator = 1 in {
1930 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1931 // a two-value operand where a dag node expects two operands. :(
1932 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
1933 IIC_Br, "b", "\t$target",
1934 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
1936 let Inst{23-0} = target;
1937 let DecoderMethod = "DecodeBranchImmInstruction";
1940 let isBarrier = 1 in {
1941 // B is "predicable" since it's just a Bcc with an 'always' condition.
1942 let isPredicable = 1 in
1943 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
1944 // should be sufficient.
1945 // FIXME: Is B really a Barrier? That doesn't seem right.
1946 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
1947 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>;
1949 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1950 def BR_JTr : ARMPseudoInst<(outs),
1951 (ins GPR:$target, i32imm:$jt, i32imm:$id),
1953 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
1954 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
1955 // into i12 and rs suffixed versions.
1956 def BR_JTm : ARMPseudoInst<(outs),
1957 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
1959 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1961 def BR_JTadd : ARMPseudoInst<(outs),
1962 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
1964 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1966 } // isNotDuplicable = 1, isIndirectBranch = 1
1972 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
1973 "blx\t$target", []>,
1974 Requires<[IsARM, HasV5T]> {
1975 let Inst{31-25} = 0b1111101;
1977 let Inst{23-0} = target{24-1};
1978 let Inst{24} = target{0};
1981 // Branch and Exchange Jazelle
1982 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1983 [/* pattern left blank */]> {
1985 let Inst{23-20} = 0b0010;
1986 let Inst{19-8} = 0xfff;
1987 let Inst{7-4} = 0b0010;
1988 let Inst{3-0} = func;
1993 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1995 let Defs = [R0, R1, R2, R3, R9, R12, QQQQ0, QQQQ2, QQQQ3, PC],
1997 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
1998 IIC_Br, []>, Requires<[IsDarwin]>;
2000 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2001 IIC_Br, []>, Requires<[IsDarwin]>;
2003 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst, variable_ops),
2005 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2006 Requires<[IsARM, IsDarwin]>;
2008 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2011 Requires<[IsARM, IsDarwin]>;
2015 // Non-Darwin versions (the difference is R9).
2016 let Defs = [R0, R1, R2, R3, R12, QQQQ0, QQQQ2, QQQQ3, PC],
2018 def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
2019 IIC_Br, []>, Requires<[IsNotDarwin]>;
2021 def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
2022 IIC_Br, []>, Requires<[IsNotDarwin]>;
2024 def TAILJMPdND : ARMPseudoExpand<(outs), (ins brtarget:$dst, variable_ops),
2026 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2027 Requires<[IsARM, IsNotDarwin]>;
2029 def TAILJMPrND : ARMPseudoExpand<(outs), (ins tcGPR:$dst, variable_ops),
2032 Requires<[IsARM, IsNotDarwin]>;
2036 // Secure Monitor Call is a system instruction.
2037 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2040 let Inst{23-4} = 0b01100000000000000111;
2041 let Inst{3-0} = opt;
2044 // Supervisor Call (Software Interrupt)
2045 let isCall = 1, Uses = [SP] in {
2046 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []> {
2048 let Inst{23-0} = svc;
2052 // Store Return State
2053 class SRSI<bit wb, string asm>
2054 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2055 NoItinerary, asm, "", []> {
2057 let Inst{31-28} = 0b1111;
2058 let Inst{27-25} = 0b100;
2062 let Inst{19-16} = 0b1101; // SP
2063 let Inst{15-5} = 0b00000101000;
2064 let Inst{4-0} = mode;
2067 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2068 let Inst{24-23} = 0;
2070 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2071 let Inst{24-23} = 0;
2073 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2074 let Inst{24-23} = 0b10;
2076 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2077 let Inst{24-23} = 0b10;
2079 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2080 let Inst{24-23} = 0b01;
2082 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2083 let Inst{24-23} = 0b01;
2085 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2086 let Inst{24-23} = 0b11;
2088 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2089 let Inst{24-23} = 0b11;
2092 // Return From Exception
2093 class RFEI<bit wb, string asm>
2094 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2095 NoItinerary, asm, "", []> {
2097 let Inst{31-28} = 0b1111;
2098 let Inst{27-25} = 0b100;
2102 let Inst{19-16} = Rn;
2103 let Inst{15-0} = 0xa00;
2106 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2107 let Inst{24-23} = 0;
2109 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2110 let Inst{24-23} = 0;
2112 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2113 let Inst{24-23} = 0b10;
2115 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2116 let Inst{24-23} = 0b10;
2118 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2119 let Inst{24-23} = 0b01;
2121 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2122 let Inst{24-23} = 0b01;
2124 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2125 let Inst{24-23} = 0b11;
2127 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2128 let Inst{24-23} = 0b11;
2131 //===----------------------------------------------------------------------===//
2132 // Load / store Instructions.
2138 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2139 UnOpFrag<(load node:$Src)>>;
2140 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2141 UnOpFrag<(zextloadi8 node:$Src)>>;
2142 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2143 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2144 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2145 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2147 // Special LDR for loads from non-pc-relative constpools.
2148 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2149 isReMaterializable = 1, isCodeGenOnly = 1 in
2150 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2151 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2155 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2156 let Inst{19-16} = 0b1111;
2157 let Inst{15-12} = Rt;
2158 let Inst{11-0} = addr{11-0}; // imm12
2161 // Loads with zero extension
2162 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2163 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2164 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2166 // Loads with sign extension
2167 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2168 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2169 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2171 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2172 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2173 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2175 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2177 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2178 (ins addrmode3:$addr), LdMiscFrm,
2179 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2180 []>, Requires<[IsARM, HasV5TE]>;
2184 multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
2185 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2186 (ins addrmode_imm12:$addr), IndexModePre, LdFrm, itin,
2187 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2190 let Inst{23} = addr{12};
2191 let Inst{19-16} = addr{16-13};
2192 let Inst{11-0} = addr{11-0};
2193 let DecoderMethod = "DecodeLDRPreImm";
2194 let AsmMatchConverter = "cvtLdWriteBackRegAddrModeImm12";
2197 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2198 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, itin,
2199 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2202 let Inst{23} = addr{12};
2203 let Inst{19-16} = addr{16-13};
2204 let Inst{11-0} = addr{11-0};
2206 let DecoderMethod = "DecodeLDRPreReg";
2207 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode2";
2210 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2211 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2212 IndexModePost, LdFrm, itin,
2213 opc, "\t$Rt, $addr, $offset",
2214 "$addr.base = $Rn_wb", []> {
2220 let Inst{23} = offset{12};
2221 let Inst{19-16} = addr;
2222 let Inst{11-0} = offset{11-0};
2224 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2227 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2228 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2229 IndexModePost, LdFrm, itin,
2230 opc, "\t$Rt, $addr, $offset",
2231 "$addr.base = $Rn_wb", []> {
2237 let Inst{23} = offset{12};
2238 let Inst{19-16} = addr;
2239 let Inst{11-0} = offset{11-0};
2241 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2246 let mayLoad = 1, neverHasSideEffects = 1 in {
2247 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
2248 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
2251 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2252 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2253 (ins addrmode3:$addr), IndexModePre,
2255 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2257 let Inst{23} = addr{8}; // U bit
2258 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2259 let Inst{19-16} = addr{12-9}; // Rn
2260 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2261 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2262 let AsmMatchConverter = "cvtLdWriteBackRegAddrMode3";
2263 let DecoderMethod = "DecodeAddrMode3Instruction";
2265 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2266 (ins addr_offset_none:$addr, am3offset:$offset),
2267 IndexModePost, LdMiscFrm, itin,
2268 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2272 let Inst{23} = offset{8}; // U bit
2273 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2274 let Inst{19-16} = addr;
2275 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2276 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2277 let DecoderMethod = "DecodeAddrMode3Instruction";
2281 let mayLoad = 1, neverHasSideEffects = 1 in {
2282 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2283 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2284 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2285 let hasExtraDefRegAllocReq = 1 in {
2286 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2287 (ins addrmode3:$addr), IndexModePre,
2288 LdMiscFrm, IIC_iLoad_d_ru,
2289 "ldrd", "\t$Rt, $Rt2, $addr!",
2290 "$addr.base = $Rn_wb", []> {
2292 let Inst{23} = addr{8}; // U bit
2293 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2294 let Inst{19-16} = addr{12-9}; // Rn
2295 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2296 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2297 let DecoderMethod = "DecodeAddrMode3Instruction";
2298 let AsmMatchConverter = "cvtLdrdPre";
2300 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2301 (ins addr_offset_none:$addr, am3offset:$offset),
2302 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2303 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2304 "$addr.base = $Rn_wb", []> {
2307 let Inst{23} = offset{8}; // U bit
2308 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2309 let Inst{19-16} = addr;
2310 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2311 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2312 let DecoderMethod = "DecodeAddrMode3Instruction";
2314 } // hasExtraDefRegAllocReq = 1
2315 } // mayLoad = 1, neverHasSideEffects = 1
2317 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2318 let mayLoad = 1, neverHasSideEffects = 1 in {
2319 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2320 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2321 IndexModePost, LdFrm, IIC_iLoad_ru,
2322 "ldrt", "\t$Rt, $addr, $offset",
2323 "$addr.base = $Rn_wb", []> {
2329 let Inst{23} = offset{12};
2330 let Inst{21} = 1; // overwrite
2331 let Inst{19-16} = addr;
2332 let Inst{11-5} = offset{11-5};
2334 let Inst{3-0} = offset{3-0};
2335 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2338 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2339 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2340 IndexModePost, LdFrm, IIC_iLoad_ru,
2341 "ldrt", "\t$Rt, $addr, $offset",
2342 "$addr.base = $Rn_wb", []> {
2348 let Inst{23} = offset{12};
2349 let Inst{21} = 1; // overwrite
2350 let Inst{19-16} = addr;
2351 let Inst{11-0} = offset{11-0};
2352 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2355 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2356 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2357 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2358 "ldrbt", "\t$Rt, $addr, $offset",
2359 "$addr.base = $Rn_wb", []> {
2365 let Inst{23} = offset{12};
2366 let Inst{21} = 1; // overwrite
2367 let Inst{19-16} = addr;
2368 let Inst{11-5} = offset{11-5};
2370 let Inst{3-0} = offset{3-0};
2371 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2374 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2375 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2376 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2377 "ldrbt", "\t$Rt, $addr, $offset",
2378 "$addr.base = $Rn_wb", []> {
2384 let Inst{23} = offset{12};
2385 let Inst{21} = 1; // overwrite
2386 let Inst{19-16} = addr;
2387 let Inst{11-0} = offset{11-0};
2388 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2391 multiclass AI3ldrT<bits<4> op, string opc> {
2392 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2393 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2394 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2395 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2397 let Inst{23} = offset{8};
2399 let Inst{11-8} = offset{7-4};
2400 let Inst{3-0} = offset{3-0};
2401 let AsmMatchConverter = "cvtLdExtTWriteBackImm";
2403 def r : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2404 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2405 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2406 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2408 let Inst{23} = Rm{4};
2411 let Inst{3-0} = Rm{3-0};
2412 let AsmMatchConverter = "cvtLdExtTWriteBackReg";
2416 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2417 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2418 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2423 // Stores with truncate
2424 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2425 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2426 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2429 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2430 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2431 StMiscFrm, IIC_iStore_d_r,
2432 "strd", "\t$Rt, $src2, $addr", []>,
2433 Requires<[IsARM, HasV5TE]> {
2438 multiclass AI2_stridx<bit isByte, string opc, InstrItinClass itin> {
2439 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2440 (ins GPR:$Rt, addrmode_imm12:$addr), IndexModePre,
2442 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2445 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2446 let Inst{19-16} = addr{16-13}; // Rn
2447 let Inst{11-0} = addr{11-0}; // imm12
2448 let AsmMatchConverter = "cvtStWriteBackRegAddrModeImm12";
2449 let DecoderMethod = "DecodeSTRPreImm";
2452 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2453 (ins GPR:$Rt, ldst_so_reg:$addr),
2454 IndexModePre, StFrm, itin,
2455 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2458 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2459 let Inst{19-16} = addr{16-13}; // Rn
2460 let Inst{11-0} = addr{11-0};
2461 let Inst{4} = 0; // Inst{4} = 0
2462 let AsmMatchConverter = "cvtStWriteBackRegAddrMode2";
2463 let DecoderMethod = "DecodeSTRPreReg";
2465 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2466 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2467 IndexModePost, StFrm, itin,
2468 opc, "\t$Rt, $addr, $offset",
2469 "$addr.base = $Rn_wb", []> {
2475 let Inst{23} = offset{12};
2476 let Inst{19-16} = addr;
2477 let Inst{11-0} = offset{11-0};
2479 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2482 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2483 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2484 IndexModePost, StFrm, itin,
2485 opc, "\t$Rt, $addr, $offset",
2486 "$addr.base = $Rn_wb", []> {
2492 let Inst{23} = offset{12};
2493 let Inst{19-16} = addr;
2494 let Inst{11-0} = offset{11-0};
2496 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2500 let mayStore = 1, neverHasSideEffects = 1 in {
2501 defm STR : AI2_stridx<0, "str", IIC_iStore_ru>;
2502 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_ru>;
2505 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2506 am2offset_reg:$offset),
2507 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2508 am2offset_reg:$offset)>;
2509 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2510 am2offset_imm:$offset),
2511 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2512 am2offset_imm:$offset)>;
2513 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2514 am2offset_reg:$offset),
2515 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2516 am2offset_reg:$offset)>;
2517 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2518 am2offset_imm:$offset),
2519 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2520 am2offset_imm:$offset)>;
2522 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2523 // put the patterns on the instruction definitions directly as ISel wants
2524 // the address base and offset to be separate operands, not a single
2525 // complex operand like we represent the instructions themselves. The
2526 // pseudos map between the two.
2527 let usesCustomInserter = 1,
2528 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2529 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2530 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2533 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2534 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2535 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2538 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2539 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2540 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2543 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2544 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2545 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2548 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2549 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2550 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2553 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2558 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2559 (ins GPR:$Rt, addrmode3:$addr), IndexModePre,
2560 StMiscFrm, IIC_iStore_bh_ru,
2561 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2563 let Inst{23} = addr{8}; // U bit
2564 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2565 let Inst{19-16} = addr{12-9}; // Rn
2566 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2567 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2568 let AsmMatchConverter = "cvtStWriteBackRegAddrMode3";
2569 let DecoderMethod = "DecodeAddrMode3Instruction";
2572 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2573 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2574 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2575 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2576 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2577 addr_offset_none:$addr,
2578 am3offset:$offset))]> {
2581 let Inst{23} = offset{8}; // U bit
2582 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2583 let Inst{19-16} = addr;
2584 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2585 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2586 let DecoderMethod = "DecodeAddrMode3Instruction";
2589 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2590 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2591 (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2592 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2593 "strd", "\t$Rt, $Rt2, $addr!",
2594 "$addr.base = $Rn_wb", []> {
2596 let Inst{23} = addr{8}; // U bit
2597 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2598 let Inst{19-16} = addr{12-9}; // Rn
2599 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2600 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2601 let DecoderMethod = "DecodeAddrMode3Instruction";
2602 let AsmMatchConverter = "cvtStrdPre";
2605 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2606 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2608 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2609 "strd", "\t$Rt, $Rt2, $addr, $offset",
2610 "$addr.base = $Rn_wb", []> {
2613 let Inst{23} = offset{8}; // U bit
2614 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2615 let Inst{19-16} = addr;
2616 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2617 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2618 let DecoderMethod = "DecodeAddrMode3Instruction";
2620 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2622 // STRT, STRBT, and STRHT
2624 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2625 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2626 IndexModePost, StFrm, IIC_iStore_bh_ru,
2627 "strbt", "\t$Rt, $addr, $offset",
2628 "$addr.base = $Rn_wb", []> {
2634 let Inst{23} = offset{12};
2635 let Inst{21} = 1; // overwrite
2636 let Inst{19-16} = addr;
2637 let Inst{11-5} = offset{11-5};
2639 let Inst{3-0} = offset{3-0};
2640 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2643 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2644 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2645 IndexModePost, StFrm, IIC_iStore_bh_ru,
2646 "strbt", "\t$Rt, $addr, $offset",
2647 "$addr.base = $Rn_wb", []> {
2653 let Inst{23} = offset{12};
2654 let Inst{21} = 1; // overwrite
2655 let Inst{19-16} = addr;
2656 let Inst{11-0} = offset{11-0};
2657 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2660 let mayStore = 1, neverHasSideEffects = 1 in {
2661 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2662 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2663 IndexModePost, StFrm, IIC_iStore_ru,
2664 "strt", "\t$Rt, $addr, $offset",
2665 "$addr.base = $Rn_wb", []> {
2671 let Inst{23} = offset{12};
2672 let Inst{21} = 1; // overwrite
2673 let Inst{19-16} = addr;
2674 let Inst{11-5} = offset{11-5};
2676 let Inst{3-0} = offset{3-0};
2677 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2680 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2681 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2682 IndexModePost, StFrm, IIC_iStore_ru,
2683 "strt", "\t$Rt, $addr, $offset",
2684 "$addr.base = $Rn_wb", []> {
2690 let Inst{23} = offset{12};
2691 let Inst{21} = 1; // overwrite
2692 let Inst{19-16} = addr;
2693 let Inst{11-0} = offset{11-0};
2694 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2699 multiclass AI3strT<bits<4> op, string opc> {
2700 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2701 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2702 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2703 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2705 let Inst{23} = offset{8};
2707 let Inst{11-8} = offset{7-4};
2708 let Inst{3-0} = offset{3-0};
2709 let AsmMatchConverter = "cvtStExtTWriteBackImm";
2711 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2712 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2713 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2714 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2716 let Inst{23} = Rm{4};
2719 let Inst{3-0} = Rm{3-0};
2720 let AsmMatchConverter = "cvtStExtTWriteBackReg";
2725 defm STRHT : AI3strT<0b1011, "strht">;
2728 //===----------------------------------------------------------------------===//
2729 // Load / store multiple Instructions.
2732 multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
2733 InstrItinClass itin, InstrItinClass itin_upd> {
2734 // IA is the default, so no need for an explicit suffix on the
2735 // mnemonic here. Without it is the cannonical spelling.
2737 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2738 IndexModeNone, f, itin,
2739 !strconcat(asm, "${p}\t$Rn, $regs"), "", []> {
2740 let Inst{24-23} = 0b01; // Increment After
2741 let Inst{21} = 0; // No writeback
2742 let Inst{20} = L_bit;
2745 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2746 IndexModeUpd, f, itin_upd,
2747 !strconcat(asm, "${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2748 let Inst{24-23} = 0b01; // Increment After
2749 let Inst{21} = 1; // Writeback
2750 let Inst{20} = L_bit;
2752 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2755 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2756 IndexModeNone, f, itin,
2757 !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
2758 let Inst{24-23} = 0b00; // Decrement After
2759 let Inst{21} = 0; // No writeback
2760 let Inst{20} = L_bit;
2763 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2764 IndexModeUpd, f, itin_upd,
2765 !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2766 let Inst{24-23} = 0b00; // Decrement After
2767 let Inst{21} = 1; // Writeback
2768 let Inst{20} = L_bit;
2770 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2773 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2774 IndexModeNone, f, itin,
2775 !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
2776 let Inst{24-23} = 0b10; // Decrement Before
2777 let Inst{21} = 0; // No writeback
2778 let Inst{20} = L_bit;
2781 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2782 IndexModeUpd, f, itin_upd,
2783 !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2784 let Inst{24-23} = 0b10; // Decrement Before
2785 let Inst{21} = 1; // Writeback
2786 let Inst{20} = L_bit;
2788 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2791 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2792 IndexModeNone, f, itin,
2793 !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
2794 let Inst{24-23} = 0b11; // Increment Before
2795 let Inst{21} = 0; // No writeback
2796 let Inst{20} = L_bit;
2799 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2800 IndexModeUpd, f, itin_upd,
2801 !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
2802 let Inst{24-23} = 0b11; // Increment Before
2803 let Inst{21} = 1; // Writeback
2804 let Inst{20} = L_bit;
2806 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2810 let neverHasSideEffects = 1 in {
2812 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2813 defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
2815 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2816 defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
2818 } // neverHasSideEffects
2820 // FIXME: remove when we have a way to marking a MI with these properties.
2821 // FIXME: Should pc be an implicit operand like PICADD, etc?
2822 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2823 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2824 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2825 reglist:$regs, variable_ops),
2826 4, IIC_iLoad_mBr, [],
2827 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2828 RegConstraint<"$Rn = $wb">;
2830 //===----------------------------------------------------------------------===//
2831 // Move Instructions.
2834 let neverHasSideEffects = 1 in
2835 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2836 "mov", "\t$Rd, $Rm", []>, UnaryDP {
2840 let Inst{19-16} = 0b0000;
2841 let Inst{11-4} = 0b00000000;
2844 let Inst{15-12} = Rd;
2847 // A version for the smaller set of tail call registers.
2848 let neverHasSideEffects = 1 in
2849 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2850 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
2854 let Inst{11-4} = 0b00000000;
2857 let Inst{15-12} = Rd;
2860 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2861 DPSoRegRegFrm, IIC_iMOVsr,
2862 "mov", "\t$Rd, $src",
2863 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP {
2866 let Inst{15-12} = Rd;
2867 let Inst{19-16} = 0b0000;
2868 let Inst{11-8} = src{11-8};
2870 let Inst{6-5} = src{6-5};
2872 let Inst{3-0} = src{3-0};
2876 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2877 DPSoRegImmFrm, IIC_iMOVsr,
2878 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2882 let Inst{15-12} = Rd;
2883 let Inst{19-16} = 0b0000;
2884 let Inst{11-5} = src{11-5};
2886 let Inst{3-0} = src{3-0};
2890 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2891 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
2892 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
2896 let Inst{15-12} = Rd;
2897 let Inst{19-16} = 0b0000;
2898 let Inst{11-0} = imm;
2901 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
2902 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
2904 "movw", "\t$Rd, $imm",
2905 [(set GPR:$Rd, imm0_65535:$imm)]>,
2906 Requires<[IsARM, HasV6T2]>, UnaryDP {
2909 let Inst{15-12} = Rd;
2910 let Inst{11-0} = imm{11-0};
2911 let Inst{19-16} = imm{15-12};
2916 def : InstAlias<"mov${p} $Rd, $imm",
2917 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
2920 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2921 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2923 let Constraints = "$src = $Rd" in {
2924 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
2925 (ins GPR:$src, imm0_65535_expr:$imm),
2927 "movt", "\t$Rd, $imm",
2929 (or (and GPR:$src, 0xffff),
2930 lo16AllZero:$imm))]>, UnaryDP,
2931 Requires<[IsARM, HasV6T2]> {
2934 let Inst{15-12} = Rd;
2935 let Inst{11-0} = imm{11-0};
2936 let Inst{19-16} = imm{15-12};
2941 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
2942 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
2946 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
2947 Requires<[IsARM, HasV6T2]>;
2949 let Uses = [CPSR] in
2950 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
2951 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
2954 // These aren't really mov instructions, but we have to define them this way
2955 // due to flag operands.
2957 let Defs = [CPSR] in {
2958 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2959 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
2961 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
2962 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
2966 //===----------------------------------------------------------------------===//
2967 // Extend Instructions.
2972 def SXTB : AI_ext_rrot<0b01101010,
2973 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
2974 def SXTH : AI_ext_rrot<0b01101011,
2975 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
2977 def SXTAB : AI_exta_rrot<0b01101010,
2978 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
2979 def SXTAH : AI_exta_rrot<0b01101011,
2980 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
2982 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
2984 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
2988 let AddedComplexity = 16 in {
2989 def UXTB : AI_ext_rrot<0b01101110,
2990 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
2991 def UXTH : AI_ext_rrot<0b01101111,
2992 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
2993 def UXTB16 : AI_ext_rrot<0b01101100,
2994 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
2996 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
2997 // The transformation should probably be done as a combiner action
2998 // instead so we can include a check for masking back in the upper
2999 // eight bits of the source into the lower eight bits of the result.
3000 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3001 // (UXTB16r_rot GPR:$Src, 3)>;
3002 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3003 (UXTB16 GPR:$Src, 1)>;
3005 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3006 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3007 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3008 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3011 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3012 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3015 def SBFX : I<(outs GPRnopc:$Rd),
3016 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3017 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3018 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3019 Requires<[IsARM, HasV6T2]> {
3024 let Inst{27-21} = 0b0111101;
3025 let Inst{6-4} = 0b101;
3026 let Inst{20-16} = width;
3027 let Inst{15-12} = Rd;
3028 let Inst{11-7} = lsb;
3032 def UBFX : I<(outs GPR:$Rd),
3033 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3034 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3035 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3036 Requires<[IsARM, HasV6T2]> {
3041 let Inst{27-21} = 0b0111111;
3042 let Inst{6-4} = 0b101;
3043 let Inst{20-16} = width;
3044 let Inst{15-12} = Rd;
3045 let Inst{11-7} = lsb;
3049 //===----------------------------------------------------------------------===//
3050 // Arithmetic Instructions.
3053 defm ADD : AsI1_bin_irs<0b0100, "add",
3054 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3055 BinOpFrag<(add node:$LHS, node:$RHS)>, "ADD", 1>;
3056 defm SUB : AsI1_bin_irs<0b0010, "sub",
3057 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3058 BinOpFrag<(sub node:$LHS, node:$RHS)>, "SUB">;
3060 // ADD and SUB with 's' bit set.
3062 // Currently, t2ADDS/t2SUBS are pseudo opcodes that exist only in the
3063 // selection DAG. They are "lowered" to real t2ADD/t2SUB opcodes by
3064 // AdjustInstrPostInstrSelection where we determine whether or not to
3065 // set the "s" bit based on CPSR liveness.
3067 // FIXME: Eliminate t2ADDS/t2SUBS pseudo opcodes after adding tablegen
3068 // support for an optional CPSR definition that corresponds to the DAG
3069 // node's second value. We can then eliminate the implicit def of CPSR.
3070 defm ADDS : AsI1_bin_s_irs<0b0100, "add",
3071 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3072 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3073 defm SUBS : AsI1_bin_s_irs<0b0010, "sub",
3074 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3075 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3077 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3078 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>,
3080 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3081 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3084 defm RSB : AsI1_rbin_irs <0b0011, "rsb",
3085 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3086 BinOpFrag<(sub node:$LHS, node:$RHS)>, "RSB">;
3088 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3089 // CPSR and the implicit def of CPSR is not needed.
3090 defm RSBS : AsI1_rbin_s_is<0b0011, "rsb",
3091 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3092 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3094 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3095 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>,
3098 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3099 // The assume-no-carry-in form uses the negation of the input since add/sub
3100 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3101 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3103 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3104 (SUBri GPR:$src, so_imm_neg:$imm)>;
3105 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3106 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3108 // The with-carry-in form matches bitwise not instead of the negation.
3109 // Effectively, the inverse interpretation of the carry flag already accounts
3110 // for part of the negation.
3111 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3112 (SBCri GPR:$src, so_imm_not:$imm)>;
3114 // Note: These are implemented in C++ code, because they have to generate
3115 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3117 // (mul X, 2^n+1) -> (add (X << n), X)
3118 // (mul X, 2^n-1) -> (rsb X, (X << n))
3120 // ARM Arithmetic Instruction
3121 // GPR:$dst = GPR:$a op GPR:$b
3122 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3123 list<dag> pattern = [],
3124 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3125 string asm = "\t$Rd, $Rn, $Rm">
3126 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
3130 let Inst{27-20} = op27_20;
3131 let Inst{11-4} = op11_4;
3132 let Inst{19-16} = Rn;
3133 let Inst{15-12} = Rd;
3137 // Saturating add/subtract
3139 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3140 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3141 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3142 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3143 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3144 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3145 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3146 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3148 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3149 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3152 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3153 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3154 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3155 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3156 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3157 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3158 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3159 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3160 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3161 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3162 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3163 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3165 // Signed/Unsigned add/subtract
3167 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3168 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3169 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3170 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3171 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3172 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3173 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3174 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3175 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3176 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3177 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3178 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3180 // Signed/Unsigned halving add/subtract
3182 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3183 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3184 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3185 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3186 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3187 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3188 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3189 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3190 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3191 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3192 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3193 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3195 // Unsigned Sum of Absolute Differences [and Accumulate].
3197 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3198 MulFrm /* for convenience */, NoItinerary, "usad8",
3199 "\t$Rd, $Rn, $Rm", []>,
3200 Requires<[IsARM, HasV6]> {
3204 let Inst{27-20} = 0b01111000;
3205 let Inst{15-12} = 0b1111;
3206 let Inst{7-4} = 0b0001;
3207 let Inst{19-16} = Rd;
3208 let Inst{11-8} = Rm;
3211 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3212 MulFrm /* for convenience */, NoItinerary, "usada8",
3213 "\t$Rd, $Rn, $Rm, $Ra", []>,
3214 Requires<[IsARM, HasV6]> {
3219 let Inst{27-20} = 0b01111000;
3220 let Inst{7-4} = 0b0001;
3221 let Inst{19-16} = Rd;
3222 let Inst{15-12} = Ra;
3223 let Inst{11-8} = Rm;
3227 // Signed/Unsigned saturate
3229 def SSAT : AI<(outs GPRnopc:$Rd),
3230 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3231 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3236 let Inst{27-21} = 0b0110101;
3237 let Inst{5-4} = 0b01;
3238 let Inst{20-16} = sat_imm;
3239 let Inst{15-12} = Rd;
3240 let Inst{11-7} = sh{4-0};
3241 let Inst{6} = sh{5};
3245 def SSAT16 : AI<(outs GPRnopc:$Rd),
3246 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3247 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3251 let Inst{27-20} = 0b01101010;
3252 let Inst{11-4} = 0b11110011;
3253 let Inst{15-12} = Rd;
3254 let Inst{19-16} = sat_imm;
3258 def USAT : AI<(outs GPRnopc:$Rd),
3259 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3260 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3265 let Inst{27-21} = 0b0110111;
3266 let Inst{5-4} = 0b01;
3267 let Inst{15-12} = Rd;
3268 let Inst{11-7} = sh{4-0};
3269 let Inst{6} = sh{5};
3270 let Inst{20-16} = sat_imm;
3274 def USAT16 : AI<(outs GPRnopc:$Rd),
3275 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3276 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3280 let Inst{27-20} = 0b01101110;
3281 let Inst{11-4} = 0b11110011;
3282 let Inst{15-12} = Rd;
3283 let Inst{19-16} = sat_imm;
3287 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3288 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3289 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3290 (USAT imm:$pos, GPRnopc:$a, 0)>;
3292 //===----------------------------------------------------------------------===//
3293 // Bitwise Instructions.
3296 defm AND : AsI1_bin_irs<0b0000, "and",
3297 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3298 BinOpFrag<(and node:$LHS, node:$RHS)>, "AND", 1>;
3299 defm ORR : AsI1_bin_irs<0b1100, "orr",
3300 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3301 BinOpFrag<(or node:$LHS, node:$RHS)>, "ORR", 1>;
3302 defm EOR : AsI1_bin_irs<0b0001, "eor",
3303 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3304 BinOpFrag<(xor node:$LHS, node:$RHS)>, "EOR", 1>;
3305 defm BIC : AsI1_bin_irs<0b1110, "bic",
3306 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3307 BinOpFrag<(and node:$LHS, (not node:$RHS))>, "BIC">;
3309 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3310 // like in the actual instruction encoding. The complexity of mapping the mask
3311 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3312 // instruction description.
3313 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3314 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3315 "bfc", "\t$Rd, $imm", "$src = $Rd",
3316 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3317 Requires<[IsARM, HasV6T2]> {
3320 let Inst{27-21} = 0b0111110;
3321 let Inst{6-0} = 0b0011111;
3322 let Inst{15-12} = Rd;
3323 let Inst{11-7} = imm{4-0}; // lsb
3324 let Inst{20-16} = imm{9-5}; // msb
3327 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3328 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3329 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3330 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3331 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3332 bf_inv_mask_imm:$imm))]>,
3333 Requires<[IsARM, HasV6T2]> {
3337 let Inst{27-21} = 0b0111110;
3338 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3339 let Inst{15-12} = Rd;
3340 let Inst{11-7} = imm{4-0}; // lsb
3341 let Inst{20-16} = imm{9-5}; // width
3345 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3346 "mvn", "\t$Rd, $Rm",
3347 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
3351 let Inst{19-16} = 0b0000;
3352 let Inst{11-4} = 0b00000000;
3353 let Inst{15-12} = Rd;
3356 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3357 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3358 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP {
3362 let Inst{19-16} = 0b0000;
3363 let Inst{15-12} = Rd;
3364 let Inst{11-5} = shift{11-5};
3366 let Inst{3-0} = shift{3-0};
3368 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3369 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3370 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP {
3374 let Inst{19-16} = 0b0000;
3375 let Inst{15-12} = Rd;
3376 let Inst{11-8} = shift{11-8};
3378 let Inst{6-5} = shift{6-5};
3380 let Inst{3-0} = shift{3-0};
3382 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3383 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3384 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3385 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
3389 let Inst{19-16} = 0b0000;
3390 let Inst{15-12} = Rd;
3391 let Inst{11-0} = imm;
3394 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3395 (BICri GPR:$src, so_imm_not:$imm)>;
3397 //===----------------------------------------------------------------------===//
3398 // Multiply Instructions.
3400 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3401 string opc, string asm, list<dag> pattern>
3402 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3406 let Inst{19-16} = Rd;
3407 let Inst{11-8} = Rm;
3410 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3411 string opc, string asm, list<dag> pattern>
3412 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3417 let Inst{19-16} = RdHi;
3418 let Inst{15-12} = RdLo;
3419 let Inst{11-8} = Rm;
3423 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3424 // property. Remove them when it's possible to add those properties
3425 // on an individual MachineInstr, not just an instuction description.
3426 let isCommutable = 1 in {
3427 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3428 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3429 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
3430 Requires<[IsARM, HasV6]> {
3431 let Inst{15-12} = 0b0000;
3434 let Constraints = "@earlyclobber $Rd" in
3435 def MULv5: ARMPseudoExpand<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
3436 pred:$p, cc_out:$s),
3438 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))],
3439 (MUL GPR:$Rd, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3440 Requires<[IsARM, NoV6]>;
3443 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3444 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3445 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3446 Requires<[IsARM, HasV6]> {
3448 let Inst{15-12} = Ra;
3451 let Constraints = "@earlyclobber $Rd" in
3452 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3453 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3455 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3456 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3457 Requires<[IsARM, NoV6]>;
3459 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3460 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3461 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3462 Requires<[IsARM, HasV6T2]> {
3467 let Inst{19-16} = Rd;
3468 let Inst{15-12} = Ra;
3469 let Inst{11-8} = Rm;
3473 // Extra precision multiplies with low / high results
3474 let neverHasSideEffects = 1 in {
3475 let isCommutable = 1 in {
3476 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3477 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3478 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3479 Requires<[IsARM, HasV6]>;
3481 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3482 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3483 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3484 Requires<[IsARM, HasV6]>;
3486 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3487 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3488 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3490 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3491 Requires<[IsARM, NoV6]>;
3493 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3494 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3496 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3497 Requires<[IsARM, NoV6]>;
3501 // Multiply + accumulate
3502 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3503 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3504 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3505 Requires<[IsARM, HasV6]>;
3506 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3507 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3508 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3509 Requires<[IsARM, HasV6]>;
3511 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3512 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3513 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3514 Requires<[IsARM, HasV6]> {
3519 let Inst{19-16} = RdHi;
3520 let Inst{15-12} = RdLo;
3521 let Inst{11-8} = Rm;
3525 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3526 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3527 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3529 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3530 Requires<[IsARM, NoV6]>;
3531 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3532 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3534 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3535 Requires<[IsARM, NoV6]>;
3536 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3537 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3539 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3540 Requires<[IsARM, NoV6]>;
3543 } // neverHasSideEffects
3545 // Most significant word multiply
3546 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3547 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3548 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3549 Requires<[IsARM, HasV6]> {
3550 let Inst{15-12} = 0b1111;
3553 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3554 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3555 Requires<[IsARM, HasV6]> {
3556 let Inst{15-12} = 0b1111;
3559 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3560 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3561 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3562 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3563 Requires<[IsARM, HasV6]>;
3565 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3566 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3567 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3568 Requires<[IsARM, HasV6]>;
3570 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3571 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3572 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
3573 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
3574 Requires<[IsARM, HasV6]>;
3576 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3577 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3578 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3579 Requires<[IsARM, HasV6]>;
3581 multiclass AI_smul<string opc, PatFrag opnode> {
3582 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3583 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3584 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3585 (sext_inreg GPR:$Rm, i16)))]>,
3586 Requires<[IsARM, HasV5TE]>;
3588 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3589 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3590 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3591 (sra GPR:$Rm, (i32 16))))]>,
3592 Requires<[IsARM, HasV5TE]>;
3594 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3595 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3596 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3597 (sext_inreg GPR:$Rm, i16)))]>,
3598 Requires<[IsARM, HasV5TE]>;
3600 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3601 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3602 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3603 (sra GPR:$Rm, (i32 16))))]>,
3604 Requires<[IsARM, HasV5TE]>;
3606 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3607 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3608 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3609 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3610 Requires<[IsARM, HasV5TE]>;
3612 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3613 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3614 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3615 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3616 Requires<[IsARM, HasV5TE]>;
3620 multiclass AI_smla<string opc, PatFrag opnode> {
3621 let DecoderMethod = "DecodeSMLAInstruction" in {
3622 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3623 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3624 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3625 [(set GPRnopc:$Rd, (add GPR:$Ra,
3626 (opnode (sext_inreg GPRnopc:$Rn, i16),
3627 (sext_inreg GPRnopc:$Rm, i16))))]>,
3628 Requires<[IsARM, HasV5TE]>;
3630 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3631 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3632 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3634 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3635 (sra GPRnopc:$Rm, (i32 16)))))]>,
3636 Requires<[IsARM, HasV5TE]>;
3638 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3639 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3640 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3642 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3643 (sext_inreg GPRnopc:$Rm, i16))))]>,
3644 Requires<[IsARM, HasV5TE]>;
3646 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3647 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3648 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3650 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3651 (sra GPRnopc:$Rm, (i32 16)))))]>,
3652 Requires<[IsARM, HasV5TE]>;
3654 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3655 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3656 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3658 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3659 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3660 Requires<[IsARM, HasV5TE]>;
3662 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3663 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3664 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3666 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3667 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3668 Requires<[IsARM, HasV5TE]>;
3672 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3673 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3675 // Halfword multiply accumulate long: SMLAL<x><y>.
3676 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3677 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3678 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3679 Requires<[IsARM, HasV5TE]>;
3681 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3682 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3683 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3684 Requires<[IsARM, HasV5TE]>;
3686 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3687 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3688 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3689 Requires<[IsARM, HasV5TE]>;
3691 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3692 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3693 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3694 Requires<[IsARM, HasV5TE]>;
3696 // Helper class for AI_smld.
3697 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3698 InstrItinClass itin, string opc, string asm>
3699 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3702 let Inst{27-23} = 0b01110;
3703 let Inst{22} = long;
3704 let Inst{21-20} = 0b00;
3705 let Inst{11-8} = Rm;
3712 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3713 InstrItinClass itin, string opc, string asm>
3714 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3716 let Inst{15-12} = 0b1111;
3717 let Inst{19-16} = Rd;
3719 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3720 InstrItinClass itin, string opc, string asm>
3721 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3724 let Inst{19-16} = Rd;
3725 let Inst{15-12} = Ra;
3727 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3728 InstrItinClass itin, string opc, string asm>
3729 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3732 let Inst{19-16} = RdHi;
3733 let Inst{15-12} = RdLo;
3736 multiclass AI_smld<bit sub, string opc> {
3738 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3739 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3740 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3742 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3743 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3744 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3746 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3747 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3748 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3750 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3751 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3752 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3756 defm SMLA : AI_smld<0, "smla">;
3757 defm SMLS : AI_smld<1, "smls">;
3759 multiclass AI_sdml<bit sub, string opc> {
3761 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3762 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3763 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3764 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3767 defm SMUA : AI_sdml<0, "smua">;
3768 defm SMUS : AI_sdml<1, "smus">;
3770 //===----------------------------------------------------------------------===//
3771 // Misc. Arithmetic Instructions.
3774 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3775 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3776 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
3778 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3779 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3780 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3781 Requires<[IsARM, HasV6T2]>;
3783 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3784 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3785 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
3787 let AddedComplexity = 5 in
3788 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3789 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3790 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3791 Requires<[IsARM, HasV6]>;
3793 let AddedComplexity = 5 in
3794 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3795 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3796 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3797 Requires<[IsARM, HasV6]>;
3799 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3800 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3803 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3804 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3805 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3806 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3807 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3809 Requires<[IsARM, HasV6]>;
3811 // Alternate cases for PKHBT where identities eliminate some nodes.
3812 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3813 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3814 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3815 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3817 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3818 // will match the pattern below.
3819 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3820 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3821 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3822 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3823 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3825 Requires<[IsARM, HasV6]>;
3827 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3828 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3829 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3830 (srl GPRnopc:$src2, imm16_31:$sh)),
3831 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
3832 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3833 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
3834 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
3836 //===----------------------------------------------------------------------===//
3837 // Comparison Instructions...
3840 defm CMP : AI1_cmp_irs<0b1010, "cmp",
3841 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3842 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
3844 // ARMcmpZ can re-use the above instruction definitions.
3845 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
3846 (CMPri GPR:$src, so_imm:$imm)>;
3847 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
3848 (CMPrr GPR:$src, GPR:$rhs)>;
3849 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
3850 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
3851 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
3852 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
3854 // FIXME: We have to be careful when using the CMN instruction and comparison
3855 // with 0. One would expect these two pieces of code should give identical
3871 // However, the CMN gives the *opposite* result when r1 is 0. This is because
3872 // the carry flag is set in the CMP case but not in the CMN case. In short, the
3873 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
3874 // value of r0 and the carry bit (because the "carry bit" parameter to
3875 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
3876 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
3877 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
3878 // parameter to AddWithCarry is defined as 0).
3880 // When x is 0 and unsigned:
3884 // ~x + 1 = 0x1 0000 0000
3885 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
3887 // Therefore, we should disable CMN when comparing against zero, until we can
3888 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
3889 // when it's a comparison which doesn't look at the 'carry' flag).
3891 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
3893 // This is related to <rdar://problem/7569620>.
3895 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
3896 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
3898 // Note that TST/TEQ don't set all the same flags that CMP does!
3899 defm TST : AI1_cmp_irs<0b1000, "tst",
3900 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3901 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
3902 defm TEQ : AI1_cmp_irs<0b1001, "teq",
3903 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
3904 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
3906 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
3907 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
3908 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
3910 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
3911 // (CMNri GPR:$src, so_imm_neg:$imm)>;
3913 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
3914 (CMNzri GPR:$src, so_imm_neg:$imm)>;
3916 // Pseudo i64 compares for some floating point compares.
3917 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
3919 def BCCi64 : PseudoInst<(outs),
3920 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
3922 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
3924 def BCCZi64 : PseudoInst<(outs),
3925 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
3926 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
3927 } // usesCustomInserter
3930 // Conditional moves
3931 // FIXME: should be able to write a pattern for ARMcmov, but can't use
3932 // a two-value operand where a dag node expects two operands. :(
3933 let neverHasSideEffects = 1 in {
3934 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$false, GPR:$Rm, pred:$p),
3936 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
3937 RegConstraint<"$false = $Rd">;
3938 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
3939 (ins GPR:$false, so_reg_imm:$shift, pred:$p),
3941 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_imm:$shift,
3942 imm:$cc, CCR:$ccr))*/]>,
3943 RegConstraint<"$false = $Rd">;
3944 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
3945 (ins GPR:$false, so_reg_reg:$shift, pred:$p),
3947 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
3948 imm:$cc, CCR:$ccr))*/]>,
3949 RegConstraint<"$false = $Rd">;
3952 let isMoveImm = 1 in
3953 def MOVCCi16 : ARMPseudoInst<(outs GPR:$Rd),
3954 (ins GPR:$false, imm0_65535_expr:$imm, pred:$p),
3957 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
3959 let isMoveImm = 1 in
3960 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
3961 (ins GPR:$false, so_imm:$imm, pred:$p),
3963 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
3964 RegConstraint<"$false = $Rd">;
3966 // Two instruction predicate mov immediate.
3967 let isMoveImm = 1 in
3968 def MOVCCi32imm : ARMPseudoInst<(outs GPR:$Rd),
3969 (ins GPR:$false, i32imm:$src, pred:$p),
3970 8, IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
3972 let isMoveImm = 1 in
3973 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
3974 (ins GPR:$false, so_imm:$imm, pred:$p),
3976 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
3977 RegConstraint<"$false = $Rd">;
3978 } // neverHasSideEffects
3980 //===----------------------------------------------------------------------===//
3981 // Atomic operations intrinsics
3984 def MemBarrierOptOperand : AsmOperandClass {
3985 let Name = "MemBarrierOpt";
3986 let ParserMethod = "parseMemBarrierOptOperand";
3988 def memb_opt : Operand<i32> {
3989 let PrintMethod = "printMemBOption";
3990 let ParserMatchClass = MemBarrierOptOperand;
3991 let DecoderMethod = "DecodeMemBarrierOption";
3994 // memory barriers protect the atomic sequences
3995 let hasSideEffects = 1 in {
3996 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
3997 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
3998 Requires<[IsARM, HasDB]> {
4000 let Inst{31-4} = 0xf57ff05;
4001 let Inst{3-0} = opt;
4005 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4006 "dsb", "\t$opt", []>,
4007 Requires<[IsARM, HasDB]> {
4009 let Inst{31-4} = 0xf57ff04;
4010 let Inst{3-0} = opt;
4013 // ISB has only full system option
4014 def ISB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4015 "isb", "\t$opt", []>,
4016 Requires<[IsARM, HasDB]> {
4018 let Inst{31-4} = 0xf57ff06;
4019 let Inst{3-0} = opt;
4022 let usesCustomInserter = 1 in {
4023 let Defs = [CPSR] in {
4024 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4025 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4026 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
4027 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4028 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4029 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
4030 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4031 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4032 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
4033 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4034 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4035 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
4036 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4037 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4038 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
4039 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4040 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4041 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
4042 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4043 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4044 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4045 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4046 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4047 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4048 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4049 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4050 [(set GPR:$dst, (atomic_load_min_8 GPR:$ptr, GPR:$val))]>;
4051 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4052 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4053 [(set GPR:$dst, (atomic_load_max_8 GPR:$ptr, GPR:$val))]>;
4054 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4055 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4056 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
4057 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4058 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4059 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
4060 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4061 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4062 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
4063 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4064 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4065 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
4066 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4067 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4068 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
4069 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4070 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4071 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
4072 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4073 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4074 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4075 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4076 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4077 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4078 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4079 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4080 [(set GPR:$dst, (atomic_load_min_16 GPR:$ptr, GPR:$val))]>;
4081 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4082 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4083 [(set GPR:$dst, (atomic_load_max_16 GPR:$ptr, GPR:$val))]>;
4084 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4085 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4086 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
4087 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4088 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4089 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
4090 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4091 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4092 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
4093 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4094 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4095 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
4096 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4097 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4098 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
4099 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4100 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
4101 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
4102 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4103 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4104 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4105 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4106 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4107 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4108 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4109 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4110 [(set GPR:$dst, (atomic_load_min_32 GPR:$ptr, GPR:$val))]>;
4111 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4112 (outs GPR:$dst), (ins GPR:$ptr, GPR:$val), NoItinerary,
4113 [(set GPR:$dst, (atomic_load_max_32 GPR:$ptr, GPR:$val))]>;
4115 def ATOMIC_SWAP_I8 : PseudoInst<
4116 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4117 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
4118 def ATOMIC_SWAP_I16 : PseudoInst<
4119 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4120 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
4121 def ATOMIC_SWAP_I32 : PseudoInst<
4122 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
4123 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
4125 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4126 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4127 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
4128 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4129 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4130 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
4131 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4132 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
4133 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
4137 let mayLoad = 1 in {
4138 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4140 "ldrexb", "\t$Rt, $addr", []>;
4141 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4142 NoItinerary, "ldrexh", "\t$Rt, $addr", []>;
4143 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4144 NoItinerary, "ldrex", "\t$Rt, $addr", []>;
4145 let hasExtraDefRegAllocReq = 1 in
4146 def LDREXD: AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2),(ins addr_offset_none:$addr),
4147 NoItinerary, "ldrexd", "\t$Rt, $Rt2, $addr", []> {
4148 let DecoderMethod = "DecodeDoubleRegLoad";
4152 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4153 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4154 NoItinerary, "strexb", "\t$Rd, $Rt, $addr", []>;
4155 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4156 NoItinerary, "strexh", "\t$Rd, $Rt, $addr", []>;
4157 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4158 NoItinerary, "strex", "\t$Rd, $Rt, $addr", []>;
4161 let hasExtraSrcRegAllocReq = 1, Constraints = "@earlyclobber $Rd" in
4162 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4163 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr),
4164 NoItinerary, "strexd", "\t$Rd, $Rt, $Rt2, $addr", []> {
4165 let DecoderMethod = "DecodeDoubleRegStore";
4168 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex", []>,
4169 Requires<[IsARM, HasV7]> {
4170 let Inst{31-0} = 0b11110101011111111111000000011111;
4173 // SWP/SWPB are deprecated in V6/V7.
4174 let mayLoad = 1, mayStore = 1 in {
4175 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4177 def SWPB: AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, addr_offset_none:$addr),
4181 //===----------------------------------------------------------------------===//
4182 // Coprocessor Instructions.
4185 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4186 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4187 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4188 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4189 imm:$CRm, imm:$opc2)]> {
4197 let Inst{3-0} = CRm;
4199 let Inst{7-5} = opc2;
4200 let Inst{11-8} = cop;
4201 let Inst{15-12} = CRd;
4202 let Inst{19-16} = CRn;
4203 let Inst{23-20} = opc1;
4206 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4207 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4208 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4209 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4210 imm:$CRm, imm:$opc2)]> {
4211 let Inst{31-28} = 0b1111;
4219 let Inst{3-0} = CRm;
4221 let Inst{7-5} = opc2;
4222 let Inst{11-8} = cop;
4223 let Inst{15-12} = CRd;
4224 let Inst{19-16} = CRn;
4225 let Inst{23-20} = opc1;
4228 class ACI<dag oops, dag iops, string opc, string asm,
4229 IndexMode im = IndexModeNone>
4230 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4232 let Inst{27-25} = 0b110;
4235 multiclass LdStCop<bits<4> op31_28, bit load, dag ops, string opc, string cond>{
4236 def _OFFSET : ACI<(outs),
4237 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4238 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr"> {
4239 let Inst{31-28} = op31_28;
4240 let Inst{24} = 1; // P = 1
4241 let Inst{21} = 0; // W = 0
4242 let Inst{22} = 0; // D = 0
4243 let Inst{20} = load;
4244 let DecoderMethod = "DecodeCopMemInstruction";
4247 def _PRE : ACI<(outs),
4248 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4249 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr!", IndexModePre> {
4250 let Inst{31-28} = op31_28;
4251 let Inst{24} = 1; // P = 1
4252 let Inst{21} = 1; // W = 1
4253 let Inst{22} = 0; // D = 0
4254 let Inst{20} = load;
4255 let DecoderMethod = "DecodeCopMemInstruction";
4258 def _POST : ACI<(outs),
4259 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4260 !strconcat(opc, cond), "\tp$cop, cr$CRd, $addr", IndexModePost> {
4261 let Inst{31-28} = op31_28;
4262 let Inst{24} = 0; // P = 0
4263 let Inst{21} = 1; // W = 1
4264 let Inst{22} = 0; // D = 0
4265 let Inst{20} = load;
4266 let DecoderMethod = "DecodeCopMemInstruction";
4269 def _OPTION : ACI<(outs),
4270 !con((ins nohash_imm:$cop,nohash_imm:$CRd,GPR:$base, nohash_imm:$option),
4272 !strconcat(opc, cond), "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4273 let Inst{31-28} = op31_28;
4274 let Inst{24} = 0; // P = 0
4275 let Inst{23} = 1; // U = 1
4276 let Inst{21} = 0; // W = 0
4277 let Inst{22} = 0; // D = 0
4278 let Inst{20} = load;
4279 let DecoderMethod = "DecodeCopMemInstruction";
4282 def L_OFFSET : ACI<(outs),
4283 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4284 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr"> {
4285 let Inst{31-28} = op31_28;
4286 let Inst{24} = 1; // P = 1
4287 let Inst{21} = 0; // W = 0
4288 let Inst{22} = 1; // D = 1
4289 let Inst{20} = load;
4290 let DecoderMethod = "DecodeCopMemInstruction";
4293 def L_PRE : ACI<(outs),
4294 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr), ops),
4295 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr!",
4297 let Inst{31-28} = op31_28;
4298 let Inst{24} = 1; // P = 1
4299 let Inst{21} = 1; // W = 1
4300 let Inst{22} = 1; // D = 1
4301 let Inst{20} = load;
4302 let DecoderMethod = "DecodeCopMemInstruction";
4305 def L_POST : ACI<(outs),
4306 !con((ins nohash_imm:$cop, nohash_imm:$CRd, addr_offset_none:$addr,
4307 postidx_imm8s4:$offset), ops),
4308 !strconcat(!strconcat(opc, "l"), cond), "\tp$cop, cr$CRd, $addr, $offset",
4310 let Inst{31-28} = op31_28;
4311 let Inst{24} = 0; // P = 0
4312 let Inst{21} = 1; // W = 1
4313 let Inst{22} = 1; // D = 1
4314 let Inst{20} = load;
4315 let DecoderMethod = "DecodeCopMemInstruction";
4318 def L_OPTION : ACI<(outs),
4319 !con((ins nohash_imm:$cop, nohash_imm:$CRd,GPR:$base,nohash_imm:$option),
4321 !strconcat(!strconcat(opc, "l"), cond),
4322 "\tp$cop, cr$CRd, [$base], \\{$option\\}"> {
4323 let Inst{31-28} = op31_28;
4324 let Inst{24} = 0; // P = 0
4325 let Inst{23} = 1; // U = 1
4326 let Inst{21} = 0; // W = 0
4327 let Inst{22} = 1; // D = 1
4328 let Inst{20} = load;
4329 let DecoderMethod = "DecodeCopMemInstruction";
4333 defm LDC : LdStCop<{?,?,?,?}, 1, (ins pred:$p), "ldc", "${p}">;
4334 defm LDC2 : LdStCop<0b1111, 1, (ins), "ldc2", "">;
4335 defm STC : LdStCop<{?,?,?,?}, 0, (ins pred:$p), "stc", "${p}">;
4336 defm STC2 : LdStCop<0b1111, 0, (ins), "stc2", "">;
4338 //===----------------------------------------------------------------------===//
4339 // Move between coprocessor and ARM core register.
4342 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4344 : ABI<0b1110, oops, iops, NoItinerary, opc,
4345 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4346 let Inst{20} = direction;
4356 let Inst{15-12} = Rt;
4357 let Inst{11-8} = cop;
4358 let Inst{23-21} = opc1;
4359 let Inst{7-5} = opc2;
4360 let Inst{3-0} = CRm;
4361 let Inst{19-16} = CRn;
4364 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4366 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4367 c_imm:$CRm, imm0_7:$opc2),
4368 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4369 imm:$CRm, imm:$opc2)]>;
4370 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4372 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4375 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4376 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4378 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4380 : ABXI<0b1110, oops, iops, NoItinerary,
4381 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4382 let Inst{31-28} = 0b1111;
4383 let Inst{20} = direction;
4393 let Inst{15-12} = Rt;
4394 let Inst{11-8} = cop;
4395 let Inst{23-21} = opc1;
4396 let Inst{7-5} = opc2;
4397 let Inst{3-0} = CRm;
4398 let Inst{19-16} = CRn;
4401 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4403 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4404 c_imm:$CRm, imm0_7:$opc2),
4405 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4406 imm:$CRm, imm:$opc2)]>;
4407 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4409 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4412 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4413 imm:$CRm, imm:$opc2),
4414 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4416 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4417 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4418 GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
4419 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4420 let Inst{23-21} = 0b010;
4421 let Inst{20} = direction;
4429 let Inst{15-12} = Rt;
4430 let Inst{19-16} = Rt2;
4431 let Inst{11-8} = cop;
4432 let Inst{7-4} = opc1;
4433 let Inst{3-0} = CRm;
4436 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4437 [(int_arm_mcrr imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4439 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4441 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4442 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4443 GPR:$Rt, GPR:$Rt2, c_imm:$CRm), NoItinerary,
4444 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4445 let Inst{31-28} = 0b1111;
4446 let Inst{23-21} = 0b010;
4447 let Inst{20} = direction;
4455 let Inst{15-12} = Rt;
4456 let Inst{19-16} = Rt2;
4457 let Inst{11-8} = cop;
4458 let Inst{7-4} = opc1;
4459 let Inst{3-0} = CRm;
4462 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
4463 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPR:$Rt, GPR:$Rt2,
4465 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
4467 //===----------------------------------------------------------------------===//
4468 // Move between special register and ARM core register
4471 // Move to ARM core register from Special Register
4472 def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4473 "mrs", "\t$Rd, apsr", []> {
4475 let Inst{23-16} = 0b00001111;
4476 let Inst{15-12} = Rd;
4477 let Inst{7-4} = 0b0000;
4480 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPR:$Rd, pred:$p)>, Requires<[IsARM]>;
4482 def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,
4483 "mrs", "\t$Rd, spsr", []> {
4485 let Inst{23-16} = 0b01001111;
4486 let Inst{15-12} = Rd;
4487 let Inst{7-4} = 0b0000;
4490 // Move from ARM core register to Special Register
4492 // No need to have both system and application versions, the encodings are the
4493 // same and the assembly parser has no way to distinguish between them. The mask
4494 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
4495 // the mask with the fields to be accessed in the special register.
4496 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
4497 "msr", "\t$mask, $Rn", []> {
4502 let Inst{22} = mask{4}; // R bit
4503 let Inst{21-20} = 0b10;
4504 let Inst{19-16} = mask{3-0};
4505 let Inst{15-12} = 0b1111;
4506 let Inst{11-4} = 0b00000000;
4510 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
4511 "msr", "\t$mask, $a", []> {
4516 let Inst{22} = mask{4}; // R bit
4517 let Inst{21-20} = 0b10;
4518 let Inst{19-16} = mask{3-0};
4519 let Inst{15-12} = 0b1111;
4523 //===----------------------------------------------------------------------===//
4527 // __aeabi_read_tp preserves the registers r1-r3.
4528 // This is a pseudo inst so that we can get the encoding right,
4529 // complete with fixup for the aeabi_read_tp function.
4531 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
4532 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
4533 [(set R0, ARMthread_pointer)]>;
4536 //===----------------------------------------------------------------------===//
4537 // SJLJ Exception handling intrinsics
4538 // eh_sjlj_setjmp() is an instruction sequence to store the return
4539 // address and save #0 in R0 for the non-longjmp case.
4540 // Since by its nature we may be coming from some other function to get
4541 // here, and we're using the stack frame for the containing function to
4542 // save/restore registers, we can't keep anything live in regs across
4543 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
4544 // when we get here from a longjmp(). We force everything out of registers
4545 // except for our own input by listing the relevant registers in Defs. By
4546 // doing so, we also cause the prologue/epilogue code to actively preserve
4547 // all of the callee-saved resgisters, which is exactly what we want.
4548 // A constant value is passed in $val, and we use the location as a scratch.
4550 // These are pseudo-instructions and are lowered to individual MC-insts, so
4551 // no encoding information is necessary.
4553 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
4554 QQQQ0, QQQQ1, QQQQ2, QQQQ3 ], hasSideEffects = 1, isBarrier = 1 in {
4555 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4557 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4558 Requires<[IsARM, HasVFP2]>;
4562 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
4563 hasSideEffects = 1, isBarrier = 1 in {
4564 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
4566 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
4567 Requires<[IsARM, NoVFP]>;
4570 // FIXME: Non-Darwin version(s)
4571 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
4572 Defs = [ R7, LR, SP ] in {
4573 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
4575 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
4576 Requires<[IsARM, IsDarwin]>;
4579 // eh.sjlj.dispatchsetup pseudo-instruction.
4580 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
4581 // handled when the pseudo is expanded (which happens before any passes
4582 // that need the instruction size).
4583 let isBarrier = 1, hasSideEffects = 1 in
4584 def Int_eh_sjlj_dispatchsetup :
4585 PseudoInst<(outs), (ins GPR:$src), NoItinerary,
4586 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
4587 Requires<[IsDarwin]>;
4589 //===----------------------------------------------------------------------===//
4590 // Non-Instruction Patterns
4593 // ARMv4 indirect branch using (MOVr PC, dst)
4594 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
4595 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
4596 4, IIC_Br, [(brind GPR:$dst)],
4597 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
4598 Requires<[IsARM, NoV4T]>;
4600 // Large immediate handling.
4602 // 32-bit immediate using two piece so_imms or movw + movt.
4603 // This is a single pseudo instruction, the benefit is that it can be remat'd
4604 // as a single unit instead of having to handle reg inputs.
4605 // FIXME: Remove this when we can do generalized remat.
4606 let isReMaterializable = 1, isMoveImm = 1 in
4607 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
4608 [(set GPR:$dst, (arm_i32imm:$src))]>,
4611 // Pseudo instruction that combines movw + movt + add pc (if PIC).
4612 // It also makes it possible to rematerialize the instructions.
4613 // FIXME: Remove this when we can do generalized remat and when machine licm
4614 // can properly the instructions.
4615 let isReMaterializable = 1 in {
4616 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4618 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
4619 Requires<[IsARM, UseMovt]>;
4621 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4623 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
4624 Requires<[IsARM, UseMovt]>;
4626 let AddedComplexity = 10 in
4627 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
4629 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
4630 Requires<[IsARM, UseMovt]>;
4631 } // isReMaterializable
4633 // ConstantPool, GlobalAddress, and JumpTable
4634 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
4635 Requires<[IsARM, DontUseMovt]>;
4636 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
4637 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
4638 Requires<[IsARM, UseMovt]>;
4639 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
4640 (LEApcrelJT tjumptable:$dst, imm:$id)>;
4642 // TODO: add,sub,and, 3-instr forms?
4645 def : ARMPat<(ARMtcret tcGPR:$dst),
4646 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
4648 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4649 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4651 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4652 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
4654 def : ARMPat<(ARMtcret tcGPR:$dst),
4655 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
4657 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
4658 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4660 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
4661 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
4664 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
4665 Requires<[IsARM, IsNotDarwin]>;
4666 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
4667 Requires<[IsARM, IsDarwin]>;
4669 // zextload i1 -> zextload i8
4670 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4671 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4673 // extload -> zextload
4674 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4675 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4676 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
4677 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
4679 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
4681 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
4682 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
4685 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4686 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4687 (SMULBB GPR:$a, GPR:$b)>;
4688 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
4689 (SMULBB GPR:$a, GPR:$b)>;
4690 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4691 (sra GPR:$b, (i32 16))),
4692 (SMULBT GPR:$a, GPR:$b)>;
4693 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
4694 (SMULBT GPR:$a, GPR:$b)>;
4695 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
4696 (sra (shl GPR:$b, (i32 16)), (i32 16))),
4697 (SMULTB GPR:$a, GPR:$b)>;
4698 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
4699 (SMULTB GPR:$a, GPR:$b)>;
4700 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4702 (SMULWB GPR:$a, GPR:$b)>;
4703 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
4704 (SMULWB GPR:$a, GPR:$b)>;
4706 def : ARMV5TEPat<(add GPR:$acc,
4707 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4708 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4709 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4710 def : ARMV5TEPat<(add GPR:$acc,
4711 (mul sext_16_node:$a, sext_16_node:$b)),
4712 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
4713 def : ARMV5TEPat<(add GPR:$acc,
4714 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
4715 (sra GPR:$b, (i32 16)))),
4716 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4717 def : ARMV5TEPat<(add GPR:$acc,
4718 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
4719 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
4720 def : ARMV5TEPat<(add GPR:$acc,
4721 (mul (sra GPR:$a, (i32 16)),
4722 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
4723 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4724 def : ARMV5TEPat<(add GPR:$acc,
4725 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
4726 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
4727 def : ARMV5TEPat<(add GPR:$acc,
4728 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
4730 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4731 def : ARMV5TEPat<(add GPR:$acc,
4732 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
4733 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
4736 // Pre-v7 uses MCR for synchronization barriers.
4737 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
4738 Requires<[IsARM, HasV6]>;
4740 // SXT/UXT with no rotate
4741 let AddedComplexity = 16 in {
4742 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
4743 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
4744 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
4745 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
4746 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
4747 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
4748 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
4751 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
4752 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
4754 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
4755 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
4756 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
4757 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
4759 // Atomic load/store patterns
4760 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
4761 (LDRBrs ldst_so_reg:$src)>;
4762 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
4763 (LDRBi12 addrmode_imm12:$src)>;
4764 def : ARMPat<(atomic_load_16 addrmode3:$src),
4765 (LDRH addrmode3:$src)>;
4766 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
4767 (LDRrs ldst_so_reg:$src)>;
4768 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
4769 (LDRi12 addrmode_imm12:$src)>;
4770 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
4771 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
4772 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
4773 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
4774 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
4775 (STRH GPR:$val, addrmode3:$ptr)>;
4776 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
4777 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
4778 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
4779 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
4782 //===----------------------------------------------------------------------===//
4786 include "ARMInstrThumb.td"
4788 //===----------------------------------------------------------------------===//
4792 include "ARMInstrThumb2.td"
4794 //===----------------------------------------------------------------------===//
4795 // Floating Point Support
4798 include "ARMInstrVFP.td"
4800 //===----------------------------------------------------------------------===//
4801 // Advanced SIMD (NEON) Support
4804 include "ARMInstrNEON.td"
4806 //===----------------------------------------------------------------------===//
4807 // Assembler aliases
4811 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
4812 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
4813 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
4815 // System instructions
4816 def : MnemonicAlias<"swi", "svc">;
4818 // Load / Store Multiple
4819 def : MnemonicAlias<"ldmfd", "ldm">;
4820 def : MnemonicAlias<"ldmia", "ldm">;
4821 def : MnemonicAlias<"ldmea", "ldmdb">;
4822 def : MnemonicAlias<"stmfd", "stmdb">;
4823 def : MnemonicAlias<"stmia", "stm">;
4824 def : MnemonicAlias<"stmea", "stm">;
4826 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
4827 // shift amount is zero (i.e., unspecified).
4828 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
4829 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
4830 Requires<[IsARM, HasV6]>;
4831 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
4832 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
4833 Requires<[IsARM, HasV6]>;
4835 // PUSH/POP aliases for STM/LDM
4836 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
4837 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
4839 // SSAT/USAT optional shift operand.
4840 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
4841 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4842 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
4843 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
4846 // Extend instruction optional rotate operand.
4847 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
4848 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4849 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
4850 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4851 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
4852 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4853 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
4854 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4855 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
4856 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4857 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
4858 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4860 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
4861 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4862 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
4863 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4864 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
4865 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
4866 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
4867 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4868 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
4869 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4870 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
4871 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
4875 def : MnemonicAlias<"rfefa", "rfeda">;
4876 def : MnemonicAlias<"rfeea", "rfedb">;
4877 def : MnemonicAlias<"rfefd", "rfeia">;
4878 def : MnemonicAlias<"rfeed", "rfeib">;
4879 def : MnemonicAlias<"rfe", "rfeia">;
4882 def : MnemonicAlias<"srsfa", "srsda">;
4883 def : MnemonicAlias<"srsea", "srsdb">;
4884 def : MnemonicAlias<"srsfd", "srsia">;
4885 def : MnemonicAlias<"srsed", "srsib">;
4886 def : MnemonicAlias<"srs", "srsia">;
4889 def : MnemonicAlias<"qsubaddx", "qsax">;
4891 def : MnemonicAlias<"saddsubx", "sasx">;
4892 // SHASX == SHADDSUBX
4893 def : MnemonicAlias<"shaddsubx", "shasx">;
4894 // SHSAX == SHSUBADDX
4895 def : MnemonicAlias<"shsubaddx", "shsax">;
4897 def : MnemonicAlias<"ssubaddx", "ssax">;
4899 def : MnemonicAlias<"uaddsubx", "uasx">;
4900 // UHASX == UHADDSUBX
4901 def : MnemonicAlias<"uhaddsubx", "uhasx">;
4902 // UHSAX == UHSUBADDX
4903 def : MnemonicAlias<"uhsubaddx", "uhsax">;
4904 // UQASX == UQADDSUBX
4905 def : MnemonicAlias<"uqaddsubx", "uqasx">;
4906 // UQSAX == UQSUBADDX
4907 def : MnemonicAlias<"uqsubaddx", "uqsax">;
4909 def : MnemonicAlias<"usubaddx", "usax">;
4911 // LDRSBT/LDRHT/LDRSHT post-index offset if optional.
4912 // Note that the write-back output register is a dummy operand for MC (it's
4913 // only meaningful for codegen), so we just pass zero here.
4914 // FIXME: tblgen not cooperating with argument conversions.
4915 //def : InstAlias<"ldrsbt${p} $Rt, $addr",
4916 // (LDRSBTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0,pred:$p)>;
4917 //def : InstAlias<"ldrht${p} $Rt, $addr",
4918 // (LDRHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;
4919 //def : InstAlias<"ldrsht${p} $Rt, $addr",
4920 // (LDRSHTi GPR:$Rt, GPR:$Rt, addr_offset_none:$addr, 0, pred:$p)>;