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> ]>;
21 def SDT_ARMStructByVal : SDTypeProfile<0, 4,
22 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
23 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
25 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
27 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
29 def SDT_ARMCMov : SDTypeProfile<1, 3,
30 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
33 def SDT_ARMBrcond : SDTypeProfile<0, 2,
34 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
36 def SDT_ARMBrJT : SDTypeProfile<0, 3,
37 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
40 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
41 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
42 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
44 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
46 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
47 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
48 SDTCisVT<5, OtherVT>]>;
50 def SDT_ARMAnd : SDTypeProfile<1, 2,
51 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
54 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
56 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
57 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
59 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
60 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
62 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
64 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
66 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
69 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
71 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
72 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
74 def SDT_ARMVMAXNM : SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisFP<1>, SDTCisFP<2>]>;
75 def SDT_ARMVMINNM : SDTypeProfile<1, 2, [SDTCisFP<0>, SDTCisFP<1>, SDTCisFP<2>]>;
77 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
80 SDTCisInt<0>, SDTCisVT<1, i32>]>;
82 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
83 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
90 def SDT_ARM64bitmlal : SDTypeProfile<2,4, [ SDTCisVT<0, i32>, SDTCisVT<1, i32>,
91 SDTCisVT<2, i32>, SDTCisVT<3, i32>,
92 SDTCisVT<4, i32>, SDTCisVT<5, i32> ] >;
93 def ARMUmlal : SDNode<"ARMISD::UMLAL", SDT_ARM64bitmlal>;
94 def ARMSmlal : SDNode<"ARMISD::SMLAL", SDT_ARM64bitmlal>;
97 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
98 def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
99 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
100 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
102 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
103 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
104 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
105 [SDNPHasChain, SDNPSideEffect,
106 SDNPOptInGlue, SDNPOutGlue]>;
107 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
109 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
110 SDNPMayStore, SDNPMayLoad]>;
112 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
113 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
115 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
116 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
118 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
119 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
122 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
123 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
124 def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
125 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
126 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
129 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
130 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
132 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
134 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
137 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
140 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
143 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
146 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
147 [SDNPOutGlue, SDNPCommutative]>;
149 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
151 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
152 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
153 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
155 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
157 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
158 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
159 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
161 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
162 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
163 SDT_ARMEH_SJLJ_Setjmp,
164 [SDNPHasChain, SDNPSideEffect]>;
165 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
166 SDT_ARMEH_SJLJ_Longjmp,
167 [SDNPHasChain, SDNPSideEffect]>;
169 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
170 [SDNPHasChain, SDNPSideEffect]>;
171 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
172 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
174 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
176 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
177 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
179 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
181 def ARMvmaxnm : SDNode<"ARMISD::VMAXNM", SDT_ARMVMAXNM, []>;
182 def ARMvminnm : SDNode<"ARMISD::VMINNM", SDT_ARMVMINNM, []>;
184 //===----------------------------------------------------------------------===//
185 // ARM Instruction Predicate Definitions.
187 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
188 AssemblerPredicate<"HasV4TOps", "armv4t">;
189 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
190 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
191 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
192 AssemblerPredicate<"HasV5TEOps", "armv5te">;
193 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
194 AssemblerPredicate<"HasV6Ops", "armv6">;
195 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
196 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
197 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
198 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
199 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
200 AssemblerPredicate<"HasV7Ops", "armv7">;
201 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
202 AssemblerPredicate<"HasV8Ops", "armv8">;
203 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
204 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
205 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
206 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
207 AssemblerPredicate<"FeatureVFP2", "VFP2">;
208 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
209 AssemblerPredicate<"FeatureVFP3", "VFP3">;
210 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
211 AssemblerPredicate<"FeatureVFP4", "VFP4">;
212 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
213 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
214 def HasNEON : Predicate<"Subtarget->hasNEON()">,
215 AssemblerPredicate<"FeatureNEON", "NEON">;
216 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
217 AssemblerPredicate<"FeatureCrypto", "crypto">;
218 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
219 AssemblerPredicate<"FeatureFP16","half-float">;
220 def HasDivide : Predicate<"Subtarget->hasDivide()">,
221 AssemblerPredicate<"FeatureHWDiv", "divide">;
222 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
223 AssemblerPredicate<"FeatureHWDivARM">;
224 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
225 AssemblerPredicate<"FeatureT2XtPk",
227 def HasThumb2DSP : Predicate<"Subtarget->hasThumb2DSP()">,
228 AssemblerPredicate<"FeatureDSPThumb2",
230 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
231 AssemblerPredicate<"FeatureDB",
233 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
234 AssemblerPredicate<"FeatureMP",
236 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
237 AssemblerPredicate<"FeatureTrustZone",
239 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
240 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
241 def IsThumb : Predicate<"Subtarget->isThumb()">,
242 AssemblerPredicate<"ModeThumb", "thumb">;
243 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
244 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
245 AssemblerPredicate<"ModeThumb,FeatureThumb2",
247 def IsMClass : Predicate<"Subtarget->isMClass()">,
248 AssemblerPredicate<"FeatureMClass", "armv*m">;
249 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
250 AssemblerPredicate<"!FeatureMClass",
252 def IsARM : Predicate<"!Subtarget->isThumb()">,
253 AssemblerPredicate<"!ModeThumb", "arm-mode">;
254 def IsIOS : Predicate<"Subtarget->isTargetIOS()">;
255 def IsNotIOS : Predicate<"!Subtarget->isTargetIOS()">;
256 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
257 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
258 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
259 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
261 // FIXME: Eventually this will be just "hasV6T2Ops".
262 def UseMovt : Predicate<"Subtarget->useMovt()">;
263 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
264 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
265 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
267 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
268 // But only select them if more precision in FP computation is allowed.
269 // Do not use them for Darwin platforms.
270 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
271 " FPOpFusion::Fast) && "
272 "!Subtarget->isTargetDarwin()">;
273 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
274 " FPOpFusion::Fast &&"
275 " Subtarget->hasVFP4()) || "
276 "Subtarget->isTargetDarwin()">;
278 // VGETLNi32 is microcoded on Swift - prefer VMOV.
279 def HasFastVGETLNi32 : Predicate<"!Subtarget->isSwift()">;
280 def HasSlowVGETLNi32 : Predicate<"Subtarget->isSwift()">;
282 // VDUP.32 is microcoded on Swift - prefer VMOV.
283 def HasFastVDUP32 : Predicate<"!Subtarget->isSwift()">;
284 def HasSlowVDUP32 : Predicate<"Subtarget->isSwift()">;
286 // Cortex-A9 prefers VMOVSR to VMOVDRR even when using NEON for scalar FP, as
287 // this allows more effective execution domain optimization. See
288 // setExecutionDomain().
289 def UseVMOVSR : Predicate<"Subtarget->isCortexA9() || !Subtarget->useNEONForSinglePrecisionFP()">;
290 def DontUseVMOVSR : Predicate<"!Subtarget->isCortexA9() && Subtarget->useNEONForSinglePrecisionFP()">;
292 def IsLE : Predicate<"getTargetLowering()->isLittleEndian()">;
293 def IsBE : Predicate<"getTargetLowering()->isBigEndian()">;
295 //===----------------------------------------------------------------------===//
296 // ARM Flag Definitions.
298 class RegConstraint<string C> {
299 string Constraints = C;
302 //===----------------------------------------------------------------------===//
303 // ARM specific transformation functions and pattern fragments.
306 // imm_neg_XFORM - Return the negation of an i32 immediate value.
307 def imm_neg_XFORM : SDNodeXForm<imm, [{
308 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
311 // imm_not_XFORM - Return the complement of a i32 immediate value.
312 def imm_not_XFORM : SDNodeXForm<imm, [{
313 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
316 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
317 def imm16_31 : ImmLeaf<i32, [{
318 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
321 def so_imm_neg_asmoperand : AsmOperandClass { let Name = "ARMSOImmNeg"; }
322 def so_imm_neg : Operand<i32>, PatLeaf<(imm), [{
323 unsigned Value = -(unsigned)N->getZExtValue();
324 return Value && ARM_AM::getSOImmVal(Value) != -1;
326 let ParserMatchClass = so_imm_neg_asmoperand;
329 // Note: this pattern doesn't require an encoder method and such, as it's
330 // only used on aliases (Pat<> and InstAlias<>). The actual encoding
331 // is handled by the destination instructions, which use so_imm.
332 def so_imm_not_asmoperand : AsmOperandClass { let Name = "ARMSOImmNot"; }
333 def so_imm_not : Operand<i32>, PatLeaf<(imm), [{
334 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
336 let ParserMatchClass = so_imm_not_asmoperand;
339 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
340 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
341 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
344 /// Split a 32-bit immediate into two 16 bit parts.
345 def hi16 : SDNodeXForm<imm, [{
346 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
349 def lo16AllZero : PatLeaf<(i32 imm), [{
350 // Returns true if all low 16-bits are 0.
351 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
354 class BinOpWithFlagFrag<dag res> :
355 PatFrag<(ops node:$LHS, node:$RHS, node:$FLAG), res>;
356 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
357 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
359 // An 'and' node with a single use.
360 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
361 return N->hasOneUse();
364 // An 'xor' node with a single use.
365 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
366 return N->hasOneUse();
369 // An 'fmul' node with a single use.
370 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
371 return N->hasOneUse();
374 // An 'fadd' node which checks for single non-hazardous use.
375 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
376 return hasNoVMLxHazardUse(N);
379 // An 'fsub' node which checks for single non-hazardous use.
380 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
381 return hasNoVMLxHazardUse(N);
384 //===----------------------------------------------------------------------===//
385 // Operand Definitions.
388 // Immediate operands with a shared generic asm render method.
389 class ImmAsmOperand : AsmOperandClass { let RenderMethod = "addImmOperands"; }
392 // FIXME: rename brtarget to t2_brtarget
393 def brtarget : Operand<OtherVT> {
394 let EncoderMethod = "getBranchTargetOpValue";
395 let OperandType = "OPERAND_PCREL";
396 let DecoderMethod = "DecodeT2BROperand";
399 // FIXME: get rid of this one?
400 def uncondbrtarget : Operand<OtherVT> {
401 let EncoderMethod = "getUnconditionalBranchTargetOpValue";
402 let OperandType = "OPERAND_PCREL";
405 // Branch target for ARM. Handles conditional/unconditional
406 def br_target : Operand<OtherVT> {
407 let EncoderMethod = "getARMBranchTargetOpValue";
408 let OperandType = "OPERAND_PCREL";
412 // FIXME: rename bltarget to t2_bl_target?
413 def bltarget : Operand<i32> {
414 // Encoded the same as branch targets.
415 let EncoderMethod = "getBranchTargetOpValue";
416 let OperandType = "OPERAND_PCREL";
419 // Call target for ARM. Handles conditional/unconditional
420 // FIXME: rename bl_target to t2_bltarget?
421 def bl_target : Operand<i32> {
422 let EncoderMethod = "getARMBLTargetOpValue";
423 let OperandType = "OPERAND_PCREL";
426 def blx_target : Operand<i32> {
427 let EncoderMethod = "getARMBLXTargetOpValue";
428 let OperandType = "OPERAND_PCREL";
431 // A list of registers separated by comma. Used by load/store multiple.
432 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
433 def reglist : Operand<i32> {
434 let EncoderMethod = "getRegisterListOpValue";
435 let ParserMatchClass = RegListAsmOperand;
436 let PrintMethod = "printRegisterList";
437 let DecoderMethod = "DecodeRegListOperand";
440 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
442 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
443 def dpr_reglist : Operand<i32> {
444 let EncoderMethod = "getRegisterListOpValue";
445 let ParserMatchClass = DPRRegListAsmOperand;
446 let PrintMethod = "printRegisterList";
447 let DecoderMethod = "DecodeDPRRegListOperand";
450 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
451 def spr_reglist : Operand<i32> {
452 let EncoderMethod = "getRegisterListOpValue";
453 let ParserMatchClass = SPRRegListAsmOperand;
454 let PrintMethod = "printRegisterList";
455 let DecoderMethod = "DecodeSPRRegListOperand";
458 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
459 def cpinst_operand : Operand<i32> {
460 let PrintMethod = "printCPInstOperand";
464 def pclabel : Operand<i32> {
465 let PrintMethod = "printPCLabel";
468 // ADR instruction labels.
469 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
470 def adrlabel : Operand<i32> {
471 let EncoderMethod = "getAdrLabelOpValue";
472 let ParserMatchClass = AdrLabelAsmOperand;
473 let PrintMethod = "printAdrLabelOperand<0>";
476 def neon_vcvt_imm32 : Operand<i32> {
477 let EncoderMethod = "getNEONVcvtImm32OpValue";
478 let DecoderMethod = "DecodeVCVTImmOperand";
481 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
482 def rot_imm_XFORM: SDNodeXForm<imm, [{
483 switch (N->getZExtValue()){
485 case 0: return CurDAG->getTargetConstant(0, MVT::i32);
486 case 8: return CurDAG->getTargetConstant(1, MVT::i32);
487 case 16: return CurDAG->getTargetConstant(2, MVT::i32);
488 case 24: return CurDAG->getTargetConstant(3, MVT::i32);
491 def RotImmAsmOperand : AsmOperandClass {
493 let ParserMethod = "parseRotImm";
495 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
496 int32_t v = N->getZExtValue();
497 return v == 8 || v == 16 || v == 24; }],
499 let PrintMethod = "printRotImmOperand";
500 let ParserMatchClass = RotImmAsmOperand;
503 // shift_imm: An integer that encodes a shift amount and the type of shift
504 // (asr or lsl). The 6-bit immediate encodes as:
507 // {4-0} imm5 shift amount.
508 // asr #32 encoded as imm5 == 0.
509 def ShifterImmAsmOperand : AsmOperandClass {
510 let Name = "ShifterImm";
511 let ParserMethod = "parseShifterImm";
513 def shift_imm : Operand<i32> {
514 let PrintMethod = "printShiftImmOperand";
515 let ParserMatchClass = ShifterImmAsmOperand;
518 // shifter_operand operands: so_reg_reg, so_reg_imm, and so_imm.
519 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
520 def so_reg_reg : Operand<i32>, // reg reg imm
521 ComplexPattern<i32, 3, "SelectRegShifterOperand",
522 [shl, srl, sra, rotr]> {
523 let EncoderMethod = "getSORegRegOpValue";
524 let PrintMethod = "printSORegRegOperand";
525 let DecoderMethod = "DecodeSORegRegOperand";
526 let ParserMatchClass = ShiftedRegAsmOperand;
527 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
530 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
531 def so_reg_imm : Operand<i32>, // reg imm
532 ComplexPattern<i32, 2, "SelectImmShifterOperand",
533 [shl, srl, sra, rotr]> {
534 let EncoderMethod = "getSORegImmOpValue";
535 let PrintMethod = "printSORegImmOperand";
536 let DecoderMethod = "DecodeSORegImmOperand";
537 let ParserMatchClass = ShiftedImmAsmOperand;
538 let MIOperandInfo = (ops GPR, i32imm);
541 // FIXME: Does this need to be distinct from so_reg?
542 def shift_so_reg_reg : Operand<i32>, // reg reg imm
543 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
544 [shl,srl,sra,rotr]> {
545 let EncoderMethod = "getSORegRegOpValue";
546 let PrintMethod = "printSORegRegOperand";
547 let DecoderMethod = "DecodeSORegRegOperand";
548 let ParserMatchClass = ShiftedRegAsmOperand;
549 let MIOperandInfo = (ops GPR, GPR, i32imm);
552 // FIXME: Does this need to be distinct from so_reg?
553 def shift_so_reg_imm : Operand<i32>, // reg reg imm
554 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
555 [shl,srl,sra,rotr]> {
556 let EncoderMethod = "getSORegImmOpValue";
557 let PrintMethod = "printSORegImmOperand";
558 let DecoderMethod = "DecodeSORegImmOperand";
559 let ParserMatchClass = ShiftedImmAsmOperand;
560 let MIOperandInfo = (ops GPR, i32imm);
564 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
565 // 8-bit immediate rotated by an arbitrary number of bits.
566 def SOImmAsmOperand: ImmAsmOperand { let Name = "ARMSOImm"; }
567 def so_imm : Operand<i32>, ImmLeaf<i32, [{
568 return ARM_AM::getSOImmVal(Imm) != -1;
570 let EncoderMethod = "getSOImmOpValue";
571 let ParserMatchClass = SOImmAsmOperand;
572 let DecoderMethod = "DecodeSOImmOperand";
575 // Break so_imm's up into two pieces. This handles immediates with up to 16
576 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
577 // get the first/second pieces.
578 def so_imm2part : PatLeaf<(imm), [{
579 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
582 /// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
584 def arm_i32imm : PatLeaf<(imm), [{
585 if (Subtarget->hasV6T2Ops())
587 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
590 /// imm0_1 predicate - Immediate in the range [0,1].
591 def Imm0_1AsmOperand: ImmAsmOperand { let Name = "Imm0_1"; }
592 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
594 /// imm0_3 predicate - Immediate in the range [0,3].
595 def Imm0_3AsmOperand: ImmAsmOperand { let Name = "Imm0_3"; }
596 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
598 /// imm0_7 predicate - Immediate in the range [0,7].
599 def Imm0_7AsmOperand: ImmAsmOperand { let Name = "Imm0_7"; }
600 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
601 return Imm >= 0 && Imm < 8;
603 let ParserMatchClass = Imm0_7AsmOperand;
606 /// imm8 predicate - Immediate is exactly 8.
607 def Imm8AsmOperand: ImmAsmOperand { let Name = "Imm8"; }
608 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
609 let ParserMatchClass = Imm8AsmOperand;
612 /// imm16 predicate - Immediate is exactly 16.
613 def Imm16AsmOperand: ImmAsmOperand { let Name = "Imm16"; }
614 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
615 let ParserMatchClass = Imm16AsmOperand;
618 /// imm32 predicate - Immediate is exactly 32.
619 def Imm32AsmOperand: ImmAsmOperand { let Name = "Imm32"; }
620 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
621 let ParserMatchClass = Imm32AsmOperand;
624 /// imm1_7 predicate - Immediate in the range [1,7].
625 def Imm1_7AsmOperand: ImmAsmOperand { let Name = "Imm1_7"; }
626 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
627 let ParserMatchClass = Imm1_7AsmOperand;
630 /// imm1_15 predicate - Immediate in the range [1,15].
631 def Imm1_15AsmOperand: ImmAsmOperand { let Name = "Imm1_15"; }
632 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
633 let ParserMatchClass = Imm1_15AsmOperand;
636 /// imm1_31 predicate - Immediate in the range [1,31].
637 def Imm1_31AsmOperand: ImmAsmOperand { let Name = "Imm1_31"; }
638 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
639 let ParserMatchClass = Imm1_31AsmOperand;
642 /// imm0_15 predicate - Immediate in the range [0,15].
643 def Imm0_15AsmOperand: ImmAsmOperand {
644 let Name = "Imm0_15";
645 let DiagnosticType = "ImmRange0_15";
647 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
648 return Imm >= 0 && Imm < 16;
650 let ParserMatchClass = Imm0_15AsmOperand;
653 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
654 def Imm0_31AsmOperand: ImmAsmOperand { let Name = "Imm0_31"; }
655 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
656 return Imm >= 0 && Imm < 32;
658 let ParserMatchClass = Imm0_31AsmOperand;
661 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
662 def Imm0_32AsmOperand: ImmAsmOperand { let Name = "Imm0_32"; }
663 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
664 return Imm >= 0 && Imm < 32;
666 let ParserMatchClass = Imm0_32AsmOperand;
669 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
670 def Imm0_63AsmOperand: ImmAsmOperand { let Name = "Imm0_63"; }
671 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
672 return Imm >= 0 && Imm < 64;
674 let ParserMatchClass = Imm0_63AsmOperand;
677 /// imm0_255 predicate - Immediate in the range [0,255].
678 def Imm0_255AsmOperand : ImmAsmOperand { let Name = "Imm0_255"; }
679 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
680 let ParserMatchClass = Imm0_255AsmOperand;
683 /// imm0_65535 - An immediate is in the range [0.65535].
684 def Imm0_65535AsmOperand: ImmAsmOperand { let Name = "Imm0_65535"; }
685 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
686 return Imm >= 0 && Imm < 65536;
688 let ParserMatchClass = Imm0_65535AsmOperand;
691 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
692 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
693 return -Imm >= 0 && -Imm < 65536;
696 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
697 // a relocatable expression.
699 // FIXME: This really needs a Thumb version separate from the ARM version.
700 // While the range is the same, and can thus use the same match class,
701 // the encoding is different so it should have a different encoder method.
702 def Imm0_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm0_65535Expr"; }
703 def imm0_65535_expr : Operand<i32> {
704 let EncoderMethod = "getHiLo16ImmOpValue";
705 let ParserMatchClass = Imm0_65535ExprAsmOperand;
708 def Imm256_65535ExprAsmOperand: ImmAsmOperand { let Name = "Imm256_65535Expr"; }
709 def imm256_65535_expr : Operand<i32> {
710 let ParserMatchClass = Imm256_65535ExprAsmOperand;
713 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
714 def Imm24bitAsmOperand: ImmAsmOperand { let Name = "Imm24bit"; }
715 def imm24b : Operand<i32>, ImmLeaf<i32, [{
716 return Imm >= 0 && Imm <= 0xffffff;
718 let ParserMatchClass = Imm24bitAsmOperand;
722 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
724 def BitfieldAsmOperand : AsmOperandClass {
725 let Name = "Bitfield";
726 let ParserMethod = "parseBitfield";
729 def bf_inv_mask_imm : Operand<i32>,
731 return ARM::isBitFieldInvertedMask(N->getZExtValue());
733 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
734 let PrintMethod = "printBitfieldInvMaskImmOperand";
735 let DecoderMethod = "DecodeBitfieldMaskOperand";
736 let ParserMatchClass = BitfieldAsmOperand;
739 def imm1_32_XFORM: SDNodeXForm<imm, [{
740 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
742 def Imm1_32AsmOperand: AsmOperandClass { let Name = "Imm1_32"; }
743 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
744 uint64_t Imm = N->getZExtValue();
745 return Imm > 0 && Imm <= 32;
748 let PrintMethod = "printImmPlusOneOperand";
749 let ParserMatchClass = Imm1_32AsmOperand;
752 def imm1_16_XFORM: SDNodeXForm<imm, [{
753 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, MVT::i32);
755 def Imm1_16AsmOperand: AsmOperandClass { let Name = "Imm1_16"; }
756 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
758 let PrintMethod = "printImmPlusOneOperand";
759 let ParserMatchClass = Imm1_16AsmOperand;
762 // Define ARM specific addressing modes.
763 // addrmode_imm12 := reg +/- imm12
765 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
766 class AddrMode_Imm12 : Operand<i32>,
767 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
768 // 12-bit immediate operand. Note that instructions using this encode
769 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
770 // immediate values are as normal.
772 let EncoderMethod = "getAddrModeImm12OpValue";
773 let DecoderMethod = "DecodeAddrModeImm12Operand";
774 let ParserMatchClass = MemImm12OffsetAsmOperand;
775 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
778 def addrmode_imm12 : AddrMode_Imm12 {
779 let PrintMethod = "printAddrModeImm12Operand<false>";
782 def addrmode_imm12_pre : AddrMode_Imm12 {
783 let PrintMethod = "printAddrModeImm12Operand<true>";
786 // ldst_so_reg := reg +/- reg shop imm
788 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
789 def ldst_so_reg : Operand<i32>,
790 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
791 let EncoderMethod = "getLdStSORegOpValue";
792 // FIXME: Simplify the printer
793 let PrintMethod = "printAddrMode2Operand";
794 let DecoderMethod = "DecodeSORegMemOperand";
795 let ParserMatchClass = MemRegOffsetAsmOperand;
796 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
799 // postidx_imm8 := +/- [0,255]
802 // {8} 1 is imm8 is non-negative. 0 otherwise.
803 // {7-0} [0,255] imm8 value.
804 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
805 def postidx_imm8 : Operand<i32> {
806 let PrintMethod = "printPostIdxImm8Operand";
807 let ParserMatchClass = PostIdxImm8AsmOperand;
808 let MIOperandInfo = (ops i32imm);
811 // postidx_imm8s4 := +/- [0,1020]
814 // {8} 1 is imm8 is non-negative. 0 otherwise.
815 // {7-0} [0,255] imm8 value, scaled by 4.
816 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
817 def postidx_imm8s4 : Operand<i32> {
818 let PrintMethod = "printPostIdxImm8s4Operand";
819 let ParserMatchClass = PostIdxImm8s4AsmOperand;
820 let MIOperandInfo = (ops i32imm);
824 // postidx_reg := +/- reg
826 def PostIdxRegAsmOperand : AsmOperandClass {
827 let Name = "PostIdxReg";
828 let ParserMethod = "parsePostIdxReg";
830 def postidx_reg : Operand<i32> {
831 let EncoderMethod = "getPostIdxRegOpValue";
832 let DecoderMethod = "DecodePostIdxReg";
833 let PrintMethod = "printPostIdxRegOperand";
834 let ParserMatchClass = PostIdxRegAsmOperand;
835 let MIOperandInfo = (ops GPRnopc, i32imm);
839 // addrmode2 := reg +/- imm12
840 // := reg +/- reg shop imm
842 // FIXME: addrmode2 should be refactored the rest of the way to always
843 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
844 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
845 def addrmode2 : Operand<i32>,
846 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
847 let EncoderMethod = "getAddrMode2OpValue";
848 let PrintMethod = "printAddrMode2Operand";
849 let ParserMatchClass = AddrMode2AsmOperand;
850 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
853 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
854 let Name = "PostIdxRegShifted";
855 let ParserMethod = "parsePostIdxReg";
857 def am2offset_reg : Operand<i32>,
858 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
859 [], [SDNPWantRoot]> {
860 let EncoderMethod = "getAddrMode2OffsetOpValue";
861 let PrintMethod = "printAddrMode2OffsetOperand";
862 // When using this for assembly, it's always as a post-index offset.
863 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
864 let MIOperandInfo = (ops GPRnopc, i32imm);
867 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
868 // the GPR is purely vestigal at this point.
869 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
870 def am2offset_imm : Operand<i32>,
871 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
872 [], [SDNPWantRoot]> {
873 let EncoderMethod = "getAddrMode2OffsetOpValue";
874 let PrintMethod = "printAddrMode2OffsetOperand";
875 let ParserMatchClass = AM2OffsetImmAsmOperand;
876 let MIOperandInfo = (ops GPRnopc, i32imm);
880 // addrmode3 := reg +/- reg
881 // addrmode3 := reg +/- imm8
883 // FIXME: split into imm vs. reg versions.
884 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
885 class AddrMode3 : Operand<i32>,
886 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
887 let EncoderMethod = "getAddrMode3OpValue";
888 let ParserMatchClass = AddrMode3AsmOperand;
889 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
892 def addrmode3 : AddrMode3
894 let PrintMethod = "printAddrMode3Operand<false>";
897 def addrmode3_pre : AddrMode3
899 let PrintMethod = "printAddrMode3Operand<true>";
902 // FIXME: split into imm vs. reg versions.
903 // FIXME: parser method to handle +/- register.
904 def AM3OffsetAsmOperand : AsmOperandClass {
905 let Name = "AM3Offset";
906 let ParserMethod = "parseAM3Offset";
908 def am3offset : Operand<i32>,
909 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
910 [], [SDNPWantRoot]> {
911 let EncoderMethod = "getAddrMode3OffsetOpValue";
912 let PrintMethod = "printAddrMode3OffsetOperand";
913 let ParserMatchClass = AM3OffsetAsmOperand;
914 let MIOperandInfo = (ops GPR, i32imm);
917 // ldstm_mode := {ia, ib, da, db}
919 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
920 let EncoderMethod = "getLdStmModeOpValue";
921 let PrintMethod = "printLdStmModeOperand";
924 // addrmode5 := reg +/- imm8*4
926 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
927 class AddrMode5 : Operand<i32>,
928 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
929 let EncoderMethod = "getAddrMode5OpValue";
930 let DecoderMethod = "DecodeAddrMode5Operand";
931 let ParserMatchClass = AddrMode5AsmOperand;
932 let MIOperandInfo = (ops GPR:$base, i32imm);
935 def addrmode5 : AddrMode5 {
936 let PrintMethod = "printAddrMode5Operand<false>";
939 def addrmode5_pre : AddrMode5 {
940 let PrintMethod = "printAddrMode5Operand<true>";
943 // addrmode6 := reg with optional alignment
945 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
946 def addrmode6 : Operand<i32>,
947 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
948 let PrintMethod = "printAddrMode6Operand";
949 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
950 let EncoderMethod = "getAddrMode6AddressOpValue";
951 let DecoderMethod = "DecodeAddrMode6Operand";
952 let ParserMatchClass = AddrMode6AsmOperand;
955 def am6offset : Operand<i32>,
956 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
957 [], [SDNPWantRoot]> {
958 let PrintMethod = "printAddrMode6OffsetOperand";
959 let MIOperandInfo = (ops GPR);
960 let EncoderMethod = "getAddrMode6OffsetOpValue";
961 let DecoderMethod = "DecodeGPRRegisterClass";
964 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
965 // (single element from one lane) for size 32.
966 def addrmode6oneL32 : Operand<i32>,
967 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
968 let PrintMethod = "printAddrMode6Operand";
969 let MIOperandInfo = (ops GPR:$addr, i32imm);
970 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
973 // Special version of addrmode6 to handle alignment encoding for VLD-dup
974 // instructions, specifically VLD4-dup.
975 def addrmode6dup : Operand<i32>,
976 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
977 let PrintMethod = "printAddrMode6Operand";
978 let MIOperandInfo = (ops GPR:$addr, i32imm);
979 let EncoderMethod = "getAddrMode6DupAddressOpValue";
980 // FIXME: This is close, but not quite right. The alignment specifier is
982 let ParserMatchClass = AddrMode6AsmOperand;
985 // addrmodepc := pc + reg
987 def addrmodepc : Operand<i32>,
988 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
989 let PrintMethod = "printAddrModePCOperand";
990 let MIOperandInfo = (ops GPR, i32imm);
993 // addr_offset_none := reg
995 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
996 def addr_offset_none : Operand<i32>,
997 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
998 let PrintMethod = "printAddrMode7Operand";
999 let DecoderMethod = "DecodeAddrMode7Operand";
1000 let ParserMatchClass = MemNoOffsetAsmOperand;
1001 let MIOperandInfo = (ops GPR:$base);
1004 def nohash_imm : Operand<i32> {
1005 let PrintMethod = "printNoHashImmediate";
1008 def CoprocNumAsmOperand : AsmOperandClass {
1009 let Name = "CoprocNum";
1010 let ParserMethod = "parseCoprocNumOperand";
1012 def p_imm : Operand<i32> {
1013 let PrintMethod = "printPImmediate";
1014 let ParserMatchClass = CoprocNumAsmOperand;
1015 let DecoderMethod = "DecodeCoprocessor";
1018 def CoprocRegAsmOperand : AsmOperandClass {
1019 let Name = "CoprocReg";
1020 let ParserMethod = "parseCoprocRegOperand";
1022 def c_imm : Operand<i32> {
1023 let PrintMethod = "printCImmediate";
1024 let ParserMatchClass = CoprocRegAsmOperand;
1026 def CoprocOptionAsmOperand : AsmOperandClass {
1027 let Name = "CoprocOption";
1028 let ParserMethod = "parseCoprocOptionOperand";
1030 def coproc_option_imm : Operand<i32> {
1031 let PrintMethod = "printCoprocOptionImm";
1032 let ParserMatchClass = CoprocOptionAsmOperand;
1035 //===----------------------------------------------------------------------===//
1037 include "ARMInstrFormats.td"
1039 //===----------------------------------------------------------------------===//
1040 // Multiclass helpers...
1043 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
1044 /// binop that produces a value.
1045 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1046 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1047 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1048 PatFrag opnode, bit Commutable = 0> {
1049 // The register-immediate version is re-materializable. This is useful
1050 // in particular for taking the address of a local.
1051 let isReMaterializable = 1 in {
1052 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1053 iii, opc, "\t$Rd, $Rn, $imm",
1054 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
1055 Sched<[WriteALU, ReadALU]> {
1060 let Inst{19-16} = Rn;
1061 let Inst{15-12} = Rd;
1062 let Inst{11-0} = imm;
1065 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1066 iir, opc, "\t$Rd, $Rn, $Rm",
1067 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1068 Sched<[WriteALU, ReadALU, ReadALU]> {
1073 let isCommutable = Commutable;
1074 let Inst{19-16} = Rn;
1075 let Inst{15-12} = Rd;
1076 let Inst{11-4} = 0b00000000;
1080 def rsi : AsI1<opcod, (outs GPR:$Rd),
1081 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1082 iis, opc, "\t$Rd, $Rn, $shift",
1083 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1084 Sched<[WriteALUsi, ReadALU]> {
1089 let Inst{19-16} = Rn;
1090 let Inst{15-12} = Rd;
1091 let Inst{11-5} = shift{11-5};
1093 let Inst{3-0} = shift{3-0};
1096 def rsr : AsI1<opcod, (outs GPR:$Rd),
1097 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1098 iis, opc, "\t$Rd, $Rn, $shift",
1099 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1100 Sched<[WriteALUsr, ReadALUsr]> {
1105 let Inst{19-16} = Rn;
1106 let Inst{15-12} = Rd;
1107 let Inst{11-8} = shift{11-8};
1109 let Inst{6-5} = shift{6-5};
1111 let Inst{3-0} = shift{3-0};
1115 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1116 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1117 /// it is equivalent to the AsI1_bin_irs counterpart.
1118 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1119 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1120 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1121 PatFrag opnode, bit Commutable = 0> {
1122 // The register-immediate version is re-materializable. This is useful
1123 // in particular for taking the address of a local.
1124 let isReMaterializable = 1 in {
1125 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1126 iii, opc, "\t$Rd, $Rn, $imm",
1127 [(set GPR:$Rd, (opnode so_imm:$imm, GPR:$Rn))]>,
1128 Sched<[WriteALU, ReadALU]> {
1133 let Inst{19-16} = Rn;
1134 let Inst{15-12} = Rd;
1135 let Inst{11-0} = imm;
1138 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1139 iir, opc, "\t$Rd, $Rn, $Rm",
1140 [/* pattern left blank */]>,
1141 Sched<[WriteALU, ReadALU, ReadALU]> {
1145 let Inst{11-4} = 0b00000000;
1148 let Inst{15-12} = Rd;
1149 let Inst{19-16} = Rn;
1152 def rsi : AsI1<opcod, (outs GPR:$Rd),
1153 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1154 iis, opc, "\t$Rd, $Rn, $shift",
1155 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1156 Sched<[WriteALUsi, ReadALU]> {
1161 let Inst{19-16} = Rn;
1162 let Inst{15-12} = Rd;
1163 let Inst{11-5} = shift{11-5};
1165 let Inst{3-0} = shift{3-0};
1168 def rsr : AsI1<opcod, (outs GPR:$Rd),
1169 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1170 iis, opc, "\t$Rd, $Rn, $shift",
1171 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1172 Sched<[WriteALUsr, ReadALUsr]> {
1177 let Inst{19-16} = Rn;
1178 let Inst{15-12} = Rd;
1179 let Inst{11-8} = shift{11-8};
1181 let Inst{6-5} = shift{6-5};
1183 let Inst{3-0} = shift{3-0};
1187 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1189 /// These opcodes will be converted to the real non-S opcodes by
1190 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1191 let hasPostISelHook = 1, Defs = [CPSR] in {
1192 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1193 InstrItinClass iis, PatFrag opnode,
1194 bit Commutable = 0> {
1195 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1197 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm))]>,
1198 Sched<[WriteALU, ReadALU]>;
1200 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1202 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1203 Sched<[WriteALU, ReadALU, ReadALU]> {
1204 let isCommutable = Commutable;
1206 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1207 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1209 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1210 so_reg_imm:$shift))]>,
1211 Sched<[WriteALUsi, ReadALU]>;
1213 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1214 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1216 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1217 so_reg_reg:$shift))]>,
1218 Sched<[WriteALUSsr, ReadALUsr]>;
1222 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1223 /// operands are reversed.
1224 let hasPostISelHook = 1, Defs = [CPSR] in {
1225 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1226 InstrItinClass iis, PatFrag opnode,
1227 bit Commutable = 0> {
1228 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm, pred:$p),
1230 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn))]>,
1231 Sched<[WriteALU, ReadALU]>;
1233 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1234 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1236 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1238 Sched<[WriteALUsi, ReadALU]>;
1240 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1241 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1243 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1245 Sched<[WriteALUSsr, ReadALUsr]>;
1249 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
1250 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1251 /// a explicit result, only implicitly set CPSR.
1252 let isCompare = 1, Defs = [CPSR] in {
1253 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1254 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1255 PatFrag opnode, bit Commutable = 0> {
1256 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
1258 [(opnode GPR:$Rn, so_imm:$imm)]>,
1259 Sched<[WriteCMP, ReadALU]> {
1264 let Inst{19-16} = Rn;
1265 let Inst{15-12} = 0b0000;
1266 let Inst{11-0} = imm;
1268 let Unpredictable{15-12} = 0b1111;
1270 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1272 [(opnode GPR:$Rn, GPR:$Rm)]>,
1273 Sched<[WriteCMP, ReadALU, ReadALU]> {
1276 let isCommutable = Commutable;
1279 let Inst{19-16} = Rn;
1280 let Inst{15-12} = 0b0000;
1281 let Inst{11-4} = 0b00000000;
1284 let Unpredictable{15-12} = 0b1111;
1286 def rsi : AI1<opcod, (outs),
1287 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1288 opc, "\t$Rn, $shift",
1289 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1290 Sched<[WriteCMPsi, ReadALU]> {
1295 let Inst{19-16} = Rn;
1296 let Inst{15-12} = 0b0000;
1297 let Inst{11-5} = shift{11-5};
1299 let Inst{3-0} = shift{3-0};
1301 let Unpredictable{15-12} = 0b1111;
1303 def rsr : AI1<opcod, (outs),
1304 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1305 opc, "\t$Rn, $shift",
1306 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1307 Sched<[WriteCMPsr, ReadALU]> {
1312 let Inst{19-16} = Rn;
1313 let Inst{15-12} = 0b0000;
1314 let Inst{11-8} = shift{11-8};
1316 let Inst{6-5} = shift{6-5};
1318 let Inst{3-0} = shift{3-0};
1320 let Unpredictable{15-12} = 0b1111;
1326 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1327 /// register and one whose operand is a register rotated by 8/16/24.
1328 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1329 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1330 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1331 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1332 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1333 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1337 let Inst{19-16} = 0b1111;
1338 let Inst{15-12} = Rd;
1339 let Inst{11-10} = rot;
1343 class AI_ext_rrot_np<bits<8> opcod, string opc>
1344 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1345 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1346 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1348 let Inst{19-16} = 0b1111;
1349 let Inst{11-10} = rot;
1352 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1353 /// register and one whose operand is a register rotated by 8/16/24.
1354 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1355 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1356 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1357 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1358 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1359 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1364 let Inst{19-16} = Rn;
1365 let Inst{15-12} = Rd;
1366 let Inst{11-10} = rot;
1367 let Inst{9-4} = 0b000111;
1371 class AI_exta_rrot_np<bits<8> opcod, string opc>
1372 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1373 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1374 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1377 let Inst{19-16} = Rn;
1378 let Inst{11-10} = rot;
1381 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1382 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1383 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
1384 bit Commutable = 0> {
1385 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1386 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1387 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1388 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_imm:$imm, CPSR))]>,
1390 Sched<[WriteALU, ReadALU]> {
1395 let Inst{15-12} = Rd;
1396 let Inst{19-16} = Rn;
1397 let Inst{11-0} = imm;
1399 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1400 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1401 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1403 Sched<[WriteALU, ReadALU, ReadALU]> {
1407 let Inst{11-4} = 0b00000000;
1409 let isCommutable = Commutable;
1411 let Inst{15-12} = Rd;
1412 let Inst{19-16} = Rn;
1414 def rsi : AsI1<opcod, (outs GPR:$Rd),
1415 (ins GPR:$Rn, so_reg_imm:$shift),
1416 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1417 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1419 Sched<[WriteALUsi, ReadALU]> {
1424 let Inst{19-16} = Rn;
1425 let Inst{15-12} = Rd;
1426 let Inst{11-5} = shift{11-5};
1428 let Inst{3-0} = shift{3-0};
1430 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1431 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1432 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1433 [(set GPRnopc:$Rd, CPSR,
1434 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1436 Sched<[WriteALUsr, ReadALUsr]> {
1441 let Inst{19-16} = Rn;
1442 let Inst{15-12} = Rd;
1443 let Inst{11-8} = shift{11-8};
1445 let Inst{6-5} = shift{6-5};
1447 let Inst{3-0} = shift{3-0};
1452 /// AI1_rsc_irs - Define instructions and patterns for rsc
1453 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1454 multiclass AI1_rsc_irs<bits<4> opcod, string opc, PatFrag opnode> {
1455 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1456 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
1457 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1458 [(set GPR:$Rd, CPSR, (opnode so_imm:$imm, GPR:$Rn, CPSR))]>,
1460 Sched<[WriteALU, ReadALU]> {
1465 let Inst{15-12} = Rd;
1466 let Inst{19-16} = Rn;
1467 let Inst{11-0} = imm;
1469 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1470 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1471 [/* pattern left blank */]>,
1472 Sched<[WriteALU, ReadALU, ReadALU]> {
1476 let Inst{11-4} = 0b00000000;
1479 let Inst{15-12} = Rd;
1480 let Inst{19-16} = Rn;
1482 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1483 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1484 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1486 Sched<[WriteALUsi, ReadALU]> {
1491 let Inst{19-16} = Rn;
1492 let Inst{15-12} = Rd;
1493 let Inst{11-5} = shift{11-5};
1495 let Inst{3-0} = shift{3-0};
1497 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1498 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1499 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1501 Sched<[WriteALUsr, ReadALUsr]> {
1506 let Inst{19-16} = Rn;
1507 let Inst{15-12} = Rd;
1508 let Inst{11-8} = shift{11-8};
1510 let Inst{6-5} = shift{6-5};
1512 let Inst{3-0} = shift{3-0};
1517 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1518 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1519 InstrItinClass iir, PatFrag opnode> {
1520 // Note: We use the complex addrmode_imm12 rather than just an input
1521 // GPR and a constrained immediate so that we can use this to match
1522 // frame index references and avoid matching constant pool references.
1523 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1524 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1525 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1528 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1529 let Inst{19-16} = addr{16-13}; // Rn
1530 let Inst{15-12} = Rt;
1531 let Inst{11-0} = addr{11-0}; // imm12
1533 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1534 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1535 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1538 let shift{4} = 0; // Inst{4} = 0
1539 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1540 let Inst{19-16} = shift{16-13}; // Rn
1541 let Inst{15-12} = Rt;
1542 let Inst{11-0} = shift{11-0};
1547 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1548 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1549 InstrItinClass iir, PatFrag opnode> {
1550 // Note: We use the complex addrmode_imm12 rather than just an input
1551 // GPR and a constrained immediate so that we can use this to match
1552 // frame index references and avoid matching constant pool references.
1553 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1554 (ins addrmode_imm12:$addr),
1555 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1556 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1559 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1560 let Inst{19-16} = addr{16-13}; // Rn
1561 let Inst{15-12} = Rt;
1562 let Inst{11-0} = addr{11-0}; // imm12
1564 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1565 (ins ldst_so_reg:$shift),
1566 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1567 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1570 let shift{4} = 0; // Inst{4} = 0
1571 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1572 let Inst{19-16} = shift{16-13}; // Rn
1573 let Inst{15-12} = Rt;
1574 let Inst{11-0} = shift{11-0};
1580 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1581 InstrItinClass iir, PatFrag opnode> {
1582 // Note: We use the complex addrmode_imm12 rather than just an input
1583 // GPR and a constrained immediate so that we can use this to match
1584 // frame index references and avoid matching constant pool references.
1585 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1586 (ins GPR:$Rt, addrmode_imm12:$addr),
1587 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1588 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1591 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1592 let Inst{19-16} = addr{16-13}; // Rn
1593 let Inst{15-12} = Rt;
1594 let Inst{11-0} = addr{11-0}; // imm12
1596 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1597 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1598 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1601 let shift{4} = 0; // Inst{4} = 0
1602 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1603 let Inst{19-16} = shift{16-13}; // Rn
1604 let Inst{15-12} = Rt;
1605 let Inst{11-0} = shift{11-0};
1609 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1610 InstrItinClass iir, PatFrag opnode> {
1611 // Note: We use the complex addrmode_imm12 rather than just an input
1612 // GPR and a constrained immediate so that we can use this to match
1613 // frame index references and avoid matching constant pool references.
1614 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1615 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1616 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1617 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1620 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1621 let Inst{19-16} = addr{16-13}; // Rn
1622 let Inst{15-12} = Rt;
1623 let Inst{11-0} = addr{11-0}; // imm12
1625 def rs : AI2ldst<0b011, 0, isByte, (outs),
1626 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1627 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1628 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1631 let shift{4} = 0; // Inst{4} = 0
1632 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1633 let Inst{19-16} = shift{16-13}; // Rn
1634 let Inst{15-12} = Rt;
1635 let Inst{11-0} = shift{11-0};
1640 //===----------------------------------------------------------------------===//
1642 //===----------------------------------------------------------------------===//
1644 //===----------------------------------------------------------------------===//
1645 // Miscellaneous Instructions.
1648 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1649 /// the function. The first operand is the ID# for this instruction, the second
1650 /// is the index into the MachineConstantPool that this is, the third is the
1651 /// size in bytes of this constant pool entry.
1652 let neverHasSideEffects = 1, isNotDuplicable = 1 in
1653 def CONSTPOOL_ENTRY :
1654 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1655 i32imm:$size), NoItinerary, []>;
1657 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1658 // from removing one half of the matched pairs. That breaks PEI, which assumes
1659 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1660 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1661 def ADJCALLSTACKUP :
1662 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1663 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1665 def ADJCALLSTACKDOWN :
1666 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1667 [(ARMcallseq_start timm:$amt)]>;
1670 def HINT : AI<(outs), (ins imm0_255:$imm), MiscFrm, NoItinerary,
1671 "hint", "\t$imm", []>, Requires<[IsARM, HasV6]> {
1673 let Inst{27-8} = 0b00110010000011110000;
1674 let Inst{7-0} = imm;
1677 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1678 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1679 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1680 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1681 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6T2]>;
1682 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1684 def : Pat<(int_arm_sevl), (HINT 5)>;
1686 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1687 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1692 let Inst{15-12} = Rd;
1693 let Inst{19-16} = Rn;
1694 let Inst{27-20} = 0b01101000;
1695 let Inst{7-4} = 0b1011;
1696 let Inst{11-8} = 0b1111;
1697 let Unpredictable{11-8} = 0b1111;
1700 // The 16-bit operand $val can be used by a debugger to store more information
1701 // about the breakpoint.
1702 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1703 "bkpt", "\t$val", []>, Requires<[IsARM]> {
1705 let Inst{3-0} = val{3-0};
1706 let Inst{19-8} = val{15-4};
1707 let Inst{27-20} = 0b00010010;
1708 let Inst{31-28} = 0xe; // AL
1709 let Inst{7-4} = 0b0111;
1712 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1713 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
1715 let Inst{3-0} = val{3-0};
1716 let Inst{19-8} = val{15-4};
1717 let Inst{27-20} = 0b00010000;
1718 let Inst{31-28} = 0xe; // AL
1719 let Inst{7-4} = 0b0111;
1722 // Change Processor State
1723 // FIXME: We should use InstAlias to handle the optional operands.
1724 class CPS<dag iops, string asm_ops>
1725 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
1726 []>, Requires<[IsARM]> {
1732 let Inst{31-28} = 0b1111;
1733 let Inst{27-20} = 0b00010000;
1734 let Inst{19-18} = imod;
1735 let Inst{17} = M; // Enabled if mode is set;
1736 let Inst{16-9} = 0b00000000;
1737 let Inst{8-6} = iflags;
1739 let Inst{4-0} = mode;
1742 let DecoderMethod = "DecodeCPSInstruction" in {
1744 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
1745 "$imod\t$iflags, $mode">;
1746 let mode = 0, M = 0 in
1747 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
1749 let imod = 0, iflags = 0, M = 1 in
1750 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
1753 // Preload signals the memory system of possible future data/instruction access.
1754 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1756 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1757 !strconcat(opc, "\t$addr"),
1758 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
1759 Sched<[WritePreLd]> {
1762 let Inst{31-26} = 0b111101;
1763 let Inst{25} = 0; // 0 for immediate form
1764 let Inst{24} = data;
1765 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1766 let Inst{22} = read;
1767 let Inst{21-20} = 0b01;
1768 let Inst{19-16} = addr{16-13}; // Rn
1769 let Inst{15-12} = 0b1111;
1770 let Inst{11-0} = addr{11-0}; // imm12
1773 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1774 !strconcat(opc, "\t$shift"),
1775 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
1776 Sched<[WritePreLd]> {
1778 let Inst{31-26} = 0b111101;
1779 let Inst{25} = 1; // 1 for register form
1780 let Inst{24} = data;
1781 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1782 let Inst{22} = read;
1783 let Inst{21-20} = 0b01;
1784 let Inst{19-16} = shift{16-13}; // Rn
1785 let Inst{15-12} = 0b1111;
1786 let Inst{11-0} = shift{11-0};
1791 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1792 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1793 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1795 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
1796 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
1798 let Inst{31-10} = 0b1111000100000001000000;
1803 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1804 []>, Requires<[IsARM, HasV7]> {
1806 let Inst{27-4} = 0b001100100000111100001111;
1807 let Inst{3-0} = opt;
1811 * A5.4 Permanently UNDEFINED instructions.
1813 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
1814 * Other UDF encodings generate SIGILL.
1816 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
1818 * 1110 0111 1111 iiii iiii iiii 1111 iiii
1820 * 1101 1110 iiii iiii
1821 * It uses the following encoding:
1822 * 1110 0111 1111 1110 1101 1110 1111 0000
1823 * - In ARM: UDF #60896;
1824 * - In Thumb: UDF #254 followed by a branch-to-self.
1826 let isBarrier = 1, isTerminator = 1 in
1827 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
1829 Requires<[IsARM,UseNaClTrap]> {
1830 let Inst = 0xe7fedef0;
1832 let isBarrier = 1, isTerminator = 1 in
1833 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1835 Requires<[IsARM,DontUseNaClTrap]> {
1836 let Inst = 0xe7ffdefe;
1839 // Address computation and loads and stores in PIC mode.
1840 let isNotDuplicable = 1 in {
1841 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1843 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
1844 Sched<[WriteALU, ReadALU]>;
1846 let AddedComplexity = 10 in {
1847 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1849 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1851 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1853 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
1855 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1857 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
1859 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1861 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
1863 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
1865 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
1867 let AddedComplexity = 10 in {
1868 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1869 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
1871 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1872 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
1873 addrmodepc:$addr)]>;
1875 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1876 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1878 } // isNotDuplicable = 1
1881 // LEApcrel - Load a pc-relative address into a register without offending the
1883 let neverHasSideEffects = 1, isReMaterializable = 1 in
1884 // The 'adr' mnemonic encodes differently if the label is before or after
1885 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
1886 // know until then which form of the instruction will be used.
1887 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
1888 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
1889 Sched<[WriteALU, ReadALU]> {
1892 let Inst{27-25} = 0b001;
1894 let Inst{23-22} = label{13-12};
1897 let Inst{19-16} = 0b1111;
1898 let Inst{15-12} = Rd;
1899 let Inst{11-0} = label{11-0};
1902 let hasSideEffects = 1 in {
1903 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
1904 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1906 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
1907 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1908 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
1911 //===----------------------------------------------------------------------===//
1912 // Control Flow Instructions.
1915 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1917 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1918 "bx", "\tlr", [(ARMretflag)]>,
1919 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1920 let Inst{27-0} = 0b0001001011111111111100011110;
1924 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1925 "mov", "\tpc, lr", [(ARMretflag)]>,
1926 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
1927 let Inst{27-0} = 0b0001101000001111000000001110;
1930 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
1931 // the user-space one).
1932 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
1934 [(ARMintretflag imm:$offset)]>;
1937 // Indirect branches
1938 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1940 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1941 [(brind GPR:$dst)]>,
1942 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1944 let Inst{31-4} = 0b1110000100101111111111110001;
1945 let Inst{3-0} = dst;
1948 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
1949 "bx", "\t$dst", [/* pattern left blank */]>,
1950 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
1952 let Inst{27-4} = 0b000100101111111111110001;
1953 let Inst{3-0} = dst;
1957 // SP is marked as a use to prevent stack-pointer assignments that appear
1958 // immediately before calls from potentially appearing dead.
1960 // FIXME: Do we really need a non-predicated version? If so, it should
1961 // at least be a pseudo instruction expanding to the predicated version
1962 // at MC lowering time.
1963 Defs = [LR], Uses = [SP] in {
1964 def BL : ABXI<0b1011, (outs), (ins bl_target:$func),
1965 IIC_Br, "bl\t$func",
1966 [(ARMcall tglobaladdr:$func)]>,
1967 Requires<[IsARM]>, Sched<[WriteBrL]> {
1968 let Inst{31-28} = 0b1110;
1970 let Inst{23-0} = func;
1971 let DecoderMethod = "DecodeBranchImmInstruction";
1974 def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func),
1975 IIC_Br, "bl", "\t$func",
1976 [(ARMcall_pred tglobaladdr:$func)]>,
1977 Requires<[IsARM]>, Sched<[WriteBrL]> {
1979 let Inst{23-0} = func;
1980 let DecoderMethod = "DecodeBranchImmInstruction";
1984 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
1985 IIC_Br, "blx\t$func",
1986 [(ARMcall GPR:$func)]>,
1987 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
1989 let Inst{31-4} = 0b1110000100101111111111110011;
1990 let Inst{3-0} = func;
1993 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
1994 IIC_Br, "blx", "\t$func",
1995 [(ARMcall_pred GPR:$func)]>,
1996 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
1998 let Inst{27-4} = 0b000100101111111111110011;
1999 let Inst{3-0} = func;
2003 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2004 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2005 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2006 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2009 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2010 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2011 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2013 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2014 // return stack predictor.
2015 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins bl_target:$func),
2016 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2017 Requires<[IsARM]>, Sched<[WriteBr]>;
2020 let isBranch = 1, isTerminator = 1 in {
2021 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2022 // a two-value operand where a dag node expects two operands. :(
2023 def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
2024 IIC_Br, "b", "\t$target",
2025 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2028 let Inst{23-0} = target;
2029 let DecoderMethod = "DecodeBranchImmInstruction";
2032 let isBarrier = 1 in {
2033 // B is "predicable" since it's just a Bcc with an 'always' condition.
2034 let isPredicable = 1 in
2035 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2036 // should be sufficient.
2037 // FIXME: Is B really a Barrier? That doesn't seem right.
2038 def B : ARMPseudoExpand<(outs), (ins br_target:$target), 4, IIC_Br,
2039 [(br bb:$target)], (Bcc br_target:$target, (ops 14, zero_reg))>,
2042 let isNotDuplicable = 1, isIndirectBranch = 1 in {
2043 def BR_JTr : ARMPseudoInst<(outs),
2044 (ins GPR:$target, i32imm:$jt, i32imm:$id),
2046 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>,
2048 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2049 // into i12 and rs suffixed versions.
2050 def BR_JTm : ARMPseudoInst<(outs),
2051 (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
2053 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
2054 imm:$id)]>, Sched<[WriteBrTbl]>;
2055 def BR_JTadd : ARMPseudoInst<(outs),
2056 (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
2058 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
2059 imm:$id)]>, Sched<[WriteBrTbl]>;
2060 } // isNotDuplicable = 1, isIndirectBranch = 1
2066 def BLXi : AXI<(outs), (ins blx_target:$target), BrMiscFrm, NoItinerary,
2067 "blx\t$target", []>,
2068 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2069 let Inst{31-25} = 0b1111101;
2071 let Inst{23-0} = target{24-1};
2072 let Inst{24} = target{0};
2075 // Branch and Exchange Jazelle
2076 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2077 [/* pattern left blank */]>, Sched<[WriteBr]> {
2079 let Inst{23-20} = 0b0010;
2080 let Inst{19-8} = 0xfff;
2081 let Inst{7-4} = 0b0010;
2082 let Inst{3-0} = func;
2087 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2088 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2091 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2094 def TAILJMPd : ARMPseudoExpand<(outs), (ins br_target:$dst),
2096 (Bcc br_target:$dst, (ops 14, zero_reg))>,
2097 Requires<[IsARM]>, Sched<[WriteBr]>;
2099 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2101 (BX GPR:$dst)>, Sched<[WriteBr]>,
2105 // Secure Monitor Call is a system instruction.
2106 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2107 []>, Requires<[IsARM, HasTrustZone]> {
2109 let Inst{23-4} = 0b01100000000000000111;
2110 let Inst{3-0} = opt;
2113 // Supervisor Call (Software Interrupt)
2114 let isCall = 1, Uses = [SP] in {
2115 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2118 let Inst{23-0} = svc;
2122 // Store Return State
2123 class SRSI<bit wb, string asm>
2124 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2125 NoItinerary, asm, "", []> {
2127 let Inst{31-28} = 0b1111;
2128 let Inst{27-25} = 0b100;
2132 let Inst{19-16} = 0b1101; // SP
2133 let Inst{15-5} = 0b00000101000;
2134 let Inst{4-0} = mode;
2137 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2138 let Inst{24-23} = 0;
2140 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2141 let Inst{24-23} = 0;
2143 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2144 let Inst{24-23} = 0b10;
2146 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2147 let Inst{24-23} = 0b10;
2149 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2150 let Inst{24-23} = 0b01;
2152 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2153 let Inst{24-23} = 0b01;
2155 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2156 let Inst{24-23} = 0b11;
2158 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2159 let Inst{24-23} = 0b11;
2162 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2163 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2165 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2166 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2168 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2169 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2171 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2172 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2174 // Return From Exception
2175 class RFEI<bit wb, string asm>
2176 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2177 NoItinerary, asm, "", []> {
2179 let Inst{31-28} = 0b1111;
2180 let Inst{27-25} = 0b100;
2184 let Inst{19-16} = Rn;
2185 let Inst{15-0} = 0xa00;
2188 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2189 let Inst{24-23} = 0;
2191 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2192 let Inst{24-23} = 0;
2194 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2195 let Inst{24-23} = 0b10;
2197 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2198 let Inst{24-23} = 0b10;
2200 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2201 let Inst{24-23} = 0b01;
2203 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2204 let Inst{24-23} = 0b01;
2206 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2207 let Inst{24-23} = 0b11;
2209 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2210 let Inst{24-23} = 0b11;
2213 //===----------------------------------------------------------------------===//
2214 // Load / Store Instructions.
2220 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
2221 UnOpFrag<(load node:$Src)>>;
2222 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2223 UnOpFrag<(zextloadi8 node:$Src)>>;
2224 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
2225 BinOpFrag<(store node:$LHS, node:$RHS)>>;
2226 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2227 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
2229 // Special LDR for loads from non-pc-relative constpools.
2230 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
2231 isReMaterializable = 1, isCodeGenOnly = 1 in
2232 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2233 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2237 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2238 let Inst{19-16} = 0b1111;
2239 let Inst{15-12} = Rt;
2240 let Inst{11-0} = addr{11-0}; // imm12
2243 // Loads with zero extension
2244 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2245 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2246 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2248 // Loads with sign extension
2249 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2250 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2251 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2253 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2254 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2255 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2257 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
2259 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
2260 (ins addrmode3:$addr), LdMiscFrm,
2261 IIC_iLoad_d_r, "ldrd", "\t$Rd, $dst2, $addr",
2262 []>, Requires<[IsARM, HasV5TE]>;
2265 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2266 NoItinerary, "lda", "\t$Rt, $addr", []>;
2267 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2268 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2269 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2270 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2273 multiclass AI2_ldridx<bit isByte, string opc,
2274 InstrItinClass iii, InstrItinClass iir> {
2275 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2276 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2277 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2280 let Inst{23} = addr{12};
2281 let Inst{19-16} = addr{16-13};
2282 let Inst{11-0} = addr{11-0};
2283 let DecoderMethod = "DecodeLDRPreImm";
2286 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2287 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2288 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2291 let Inst{23} = addr{12};
2292 let Inst{19-16} = addr{16-13};
2293 let Inst{11-0} = addr{11-0};
2295 let DecoderMethod = "DecodeLDRPreReg";
2298 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2299 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2300 IndexModePost, LdFrm, iir,
2301 opc, "\t$Rt, $addr, $offset",
2302 "$addr.base = $Rn_wb", []> {
2308 let Inst{23} = offset{12};
2309 let Inst{19-16} = addr;
2310 let Inst{11-0} = offset{11-0};
2313 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2316 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2317 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2318 IndexModePost, LdFrm, iii,
2319 opc, "\t$Rt, $addr, $offset",
2320 "$addr.base = $Rn_wb", []> {
2326 let Inst{23} = offset{12};
2327 let Inst{19-16} = addr;
2328 let Inst{11-0} = offset{11-0};
2330 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2335 let mayLoad = 1, neverHasSideEffects = 1 in {
2336 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2337 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2338 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2339 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2342 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2343 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2344 (ins addrmode3_pre:$addr), IndexModePre,
2346 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2348 let Inst{23} = addr{8}; // U bit
2349 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2350 let Inst{19-16} = addr{12-9}; // Rn
2351 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2352 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2353 let DecoderMethod = "DecodeAddrMode3Instruction";
2355 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2356 (ins addr_offset_none:$addr, am3offset:$offset),
2357 IndexModePost, LdMiscFrm, itin,
2358 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2362 let Inst{23} = offset{8}; // U bit
2363 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2364 let Inst{19-16} = addr;
2365 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2366 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2367 let DecoderMethod = "DecodeAddrMode3Instruction";
2371 let mayLoad = 1, neverHasSideEffects = 1 in {
2372 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2373 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2374 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2375 let hasExtraDefRegAllocReq = 1 in {
2376 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2377 (ins addrmode3_pre:$addr), IndexModePre,
2378 LdMiscFrm, IIC_iLoad_d_ru,
2379 "ldrd", "\t$Rt, $Rt2, $addr!",
2380 "$addr.base = $Rn_wb", []> {
2382 let Inst{23} = addr{8}; // U bit
2383 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2384 let Inst{19-16} = addr{12-9}; // Rn
2385 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2386 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2387 let DecoderMethod = "DecodeAddrMode3Instruction";
2389 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2390 (ins addr_offset_none:$addr, am3offset:$offset),
2391 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2392 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2393 "$addr.base = $Rn_wb", []> {
2396 let Inst{23} = offset{8}; // U bit
2397 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2398 let Inst{19-16} = addr;
2399 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2400 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2401 let DecoderMethod = "DecodeAddrMode3Instruction";
2403 } // hasExtraDefRegAllocReq = 1
2404 } // mayLoad = 1, neverHasSideEffects = 1
2406 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2407 let mayLoad = 1, neverHasSideEffects = 1 in {
2408 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2409 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2410 IndexModePost, LdFrm, IIC_iLoad_ru,
2411 "ldrt", "\t$Rt, $addr, $offset",
2412 "$addr.base = $Rn_wb", []> {
2418 let Inst{23} = offset{12};
2419 let Inst{21} = 1; // overwrite
2420 let Inst{19-16} = addr;
2421 let Inst{11-5} = offset{11-5};
2423 let Inst{3-0} = offset{3-0};
2424 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2427 def LDRT_POST_IMM : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2428 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2429 IndexModePost, LdFrm, IIC_iLoad_ru,
2430 "ldrt", "\t$Rt, $addr, $offset",
2431 "$addr.base = $Rn_wb", []> {
2437 let Inst{23} = offset{12};
2438 let Inst{21} = 1; // overwrite
2439 let Inst{19-16} = addr;
2440 let Inst{11-0} = offset{11-0};
2441 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2444 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2445 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2446 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2447 "ldrbt", "\t$Rt, $addr, $offset",
2448 "$addr.base = $Rn_wb", []> {
2454 let Inst{23} = offset{12};
2455 let Inst{21} = 1; // overwrite
2456 let Inst{19-16} = addr;
2457 let Inst{11-5} = offset{11-5};
2459 let Inst{3-0} = offset{3-0};
2460 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2463 def LDRBT_POST_IMM : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2464 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2465 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2466 "ldrbt", "\t$Rt, $addr, $offset",
2467 "$addr.base = $Rn_wb", []> {
2473 let Inst{23} = offset{12};
2474 let Inst{21} = 1; // overwrite
2475 let Inst{19-16} = addr;
2476 let Inst{11-0} = offset{11-0};
2477 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2480 multiclass AI3ldrT<bits<4> op, string opc> {
2481 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2482 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2483 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2484 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2486 let Inst{23} = offset{8};
2488 let Inst{11-8} = offset{7-4};
2489 let Inst{3-0} = offset{3-0};
2491 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2492 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2493 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2494 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2496 let Inst{23} = Rm{4};
2499 let Unpredictable{11-8} = 0b1111;
2500 let Inst{3-0} = Rm{3-0};
2501 let DecoderMethod = "DecodeLDR";
2505 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2506 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2507 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2512 // Stores with truncate
2513 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2514 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2515 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2518 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
2519 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$src2, addrmode3:$addr),
2520 StMiscFrm, IIC_iStore_d_r,
2521 "strd", "\t$Rt, $src2, $addr", []>,
2522 Requires<[IsARM, HasV5TE]> {
2527 multiclass AI2_stridx<bit isByte, string opc,
2528 InstrItinClass iii, InstrItinClass iir> {
2529 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2530 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2532 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2535 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2536 let Inst{19-16} = addr{16-13}; // Rn
2537 let Inst{11-0} = addr{11-0}; // imm12
2538 let DecoderMethod = "DecodeSTRPreImm";
2541 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2542 (ins GPR:$Rt, ldst_so_reg:$addr),
2543 IndexModePre, StFrm, iir,
2544 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2547 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2548 let Inst{19-16} = addr{16-13}; // Rn
2549 let Inst{11-0} = addr{11-0};
2550 let Inst{4} = 0; // Inst{4} = 0
2551 let DecoderMethod = "DecodeSTRPreReg";
2553 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2554 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2555 IndexModePost, StFrm, iir,
2556 opc, "\t$Rt, $addr, $offset",
2557 "$addr.base = $Rn_wb", []> {
2563 let Inst{23} = offset{12};
2564 let Inst{19-16} = addr;
2565 let Inst{11-0} = offset{11-0};
2568 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2571 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2572 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2573 IndexModePost, StFrm, iii,
2574 opc, "\t$Rt, $addr, $offset",
2575 "$addr.base = $Rn_wb", []> {
2581 let Inst{23} = offset{12};
2582 let Inst{19-16} = addr;
2583 let Inst{11-0} = offset{11-0};
2585 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2589 let mayStore = 1, neverHasSideEffects = 1 in {
2590 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2591 // IIC_iStore_siu depending on whether it the offset register is shifted.
2592 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2593 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2596 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2597 am2offset_reg:$offset),
2598 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2599 am2offset_reg:$offset)>;
2600 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2601 am2offset_imm:$offset),
2602 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2603 am2offset_imm:$offset)>;
2604 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2605 am2offset_reg:$offset),
2606 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2607 am2offset_reg:$offset)>;
2608 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2609 am2offset_imm:$offset),
2610 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2611 am2offset_imm:$offset)>;
2613 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2614 // put the patterns on the instruction definitions directly as ISel wants
2615 // the address base and offset to be separate operands, not a single
2616 // complex operand like we represent the instructions themselves. The
2617 // pseudos map between the two.
2618 let usesCustomInserter = 1,
2619 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2620 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2621 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2624 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2625 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2626 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2629 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2630 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2631 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2634 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2635 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2636 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2639 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2640 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2641 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2644 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
2649 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
2650 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
2651 StMiscFrm, IIC_iStore_bh_ru,
2652 "strh", "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2654 let Inst{23} = addr{8}; // U bit
2655 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2656 let Inst{19-16} = addr{12-9}; // Rn
2657 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2658 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2659 let DecoderMethod = "DecodeAddrMode3Instruction";
2662 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
2663 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
2664 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
2665 "strh", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2666 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
2667 addr_offset_none:$addr,
2668 am3offset:$offset))]> {
2671 let Inst{23} = offset{8}; // U bit
2672 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2673 let Inst{19-16} = addr;
2674 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2675 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2676 let DecoderMethod = "DecodeAddrMode3Instruction";
2679 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
2680 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
2681 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
2682 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
2683 "strd", "\t$Rt, $Rt2, $addr!",
2684 "$addr.base = $Rn_wb", []> {
2686 let Inst{23} = addr{8}; // U bit
2687 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2688 let Inst{19-16} = addr{12-9}; // Rn
2689 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2690 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2691 let DecoderMethod = "DecodeAddrMode3Instruction";
2694 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
2695 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
2697 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
2698 "strd", "\t$Rt, $Rt2, $addr, $offset",
2699 "$addr.base = $Rn_wb", []> {
2702 let Inst{23} = offset{8}; // U bit
2703 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2704 let Inst{19-16} = addr;
2705 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2706 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2707 let DecoderMethod = "DecodeAddrMode3Instruction";
2709 } // mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1
2711 // STRT, STRBT, and STRHT
2713 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2714 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2715 IndexModePost, StFrm, IIC_iStore_bh_ru,
2716 "strbt", "\t$Rt, $addr, $offset",
2717 "$addr.base = $Rn_wb", []> {
2723 let Inst{23} = offset{12};
2724 let Inst{21} = 1; // overwrite
2725 let Inst{19-16} = addr;
2726 let Inst{11-5} = offset{11-5};
2728 let Inst{3-0} = offset{3-0};
2729 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2732 def STRBT_POST_IMM : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
2733 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2734 IndexModePost, StFrm, IIC_iStore_bh_ru,
2735 "strbt", "\t$Rt, $addr, $offset",
2736 "$addr.base = $Rn_wb", []> {
2742 let Inst{23} = offset{12};
2743 let Inst{21} = 1; // overwrite
2744 let Inst{19-16} = addr;
2745 let Inst{11-0} = offset{11-0};
2746 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2749 let mayStore = 1, neverHasSideEffects = 1 in {
2750 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2751 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2752 IndexModePost, StFrm, IIC_iStore_ru,
2753 "strt", "\t$Rt, $addr, $offset",
2754 "$addr.base = $Rn_wb", []> {
2760 let Inst{23} = offset{12};
2761 let Inst{21} = 1; // overwrite
2762 let Inst{19-16} = addr;
2763 let Inst{11-5} = offset{11-5};
2765 let Inst{3-0} = offset{3-0};
2766 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2769 def STRT_POST_IMM : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
2770 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2771 IndexModePost, StFrm, IIC_iStore_ru,
2772 "strt", "\t$Rt, $addr, $offset",
2773 "$addr.base = $Rn_wb", []> {
2779 let Inst{23} = offset{12};
2780 let Inst{21} = 1; // overwrite
2781 let Inst{19-16} = addr;
2782 let Inst{11-0} = offset{11-0};
2783 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2788 multiclass AI3strT<bits<4> op, string opc> {
2789 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2790 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
2791 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2792 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2794 let Inst{23} = offset{8};
2796 let Inst{11-8} = offset{7-4};
2797 let Inst{3-0} = offset{3-0};
2799 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
2800 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
2801 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
2802 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2804 let Inst{23} = Rm{4};
2807 let Inst{3-0} = Rm{3-0};
2812 defm STRHT : AI3strT<0b1011, "strht">;
2814 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2815 NoItinerary, "stl", "\t$Rt, $addr", []>;
2816 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2817 NoItinerary, "stlb", "\t$Rt, $addr", []>;
2818 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
2819 NoItinerary, "stlh", "\t$Rt, $addr", []>;
2821 //===----------------------------------------------------------------------===//
2822 // Load / store multiple Instructions.
2825 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
2826 InstrItinClass itin, InstrItinClass itin_upd> {
2827 // IA is the default, so no need for an explicit suffix on the
2828 // mnemonic here. Without it is the canonical spelling.
2830 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2831 IndexModeNone, f, itin,
2832 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
2833 let Inst{24-23} = 0b01; // Increment After
2834 let Inst{22} = P_bit;
2835 let Inst{21} = 0; // No writeback
2836 let Inst{20} = L_bit;
2839 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2840 IndexModeUpd, f, itin_upd,
2841 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2842 let Inst{24-23} = 0b01; // Increment After
2843 let Inst{22} = P_bit;
2844 let Inst{21} = 1; // Writeback
2845 let Inst{20} = L_bit;
2847 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2850 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2851 IndexModeNone, f, itin,
2852 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
2853 let Inst{24-23} = 0b00; // Decrement After
2854 let Inst{22} = P_bit;
2855 let Inst{21} = 0; // No writeback
2856 let Inst{20} = L_bit;
2859 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2860 IndexModeUpd, f, itin_upd,
2861 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2862 let Inst{24-23} = 0b00; // Decrement After
2863 let Inst{22} = P_bit;
2864 let Inst{21} = 1; // Writeback
2865 let Inst{20} = L_bit;
2867 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2870 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2871 IndexModeNone, f, itin,
2872 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
2873 let Inst{24-23} = 0b10; // Decrement Before
2874 let Inst{22} = P_bit;
2875 let Inst{21} = 0; // No writeback
2876 let Inst{20} = L_bit;
2879 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2880 IndexModeUpd, f, itin_upd,
2881 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2882 let Inst{24-23} = 0b10; // Decrement Before
2883 let Inst{22} = P_bit;
2884 let Inst{21} = 1; // Writeback
2885 let Inst{20} = L_bit;
2887 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2890 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2891 IndexModeNone, f, itin,
2892 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
2893 let Inst{24-23} = 0b11; // Increment Before
2894 let Inst{22} = P_bit;
2895 let Inst{21} = 0; // No writeback
2896 let Inst{20} = L_bit;
2899 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
2900 IndexModeUpd, f, itin_upd,
2901 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
2902 let Inst{24-23} = 0b11; // Increment Before
2903 let Inst{22} = P_bit;
2904 let Inst{21} = 1; // Writeback
2905 let Inst{20} = L_bit;
2907 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
2911 let neverHasSideEffects = 1 in {
2913 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2914 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
2917 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2918 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
2921 } // neverHasSideEffects
2923 // FIXME: remove when we have a way to marking a MI with these properties.
2924 // FIXME: Should pc be an implicit operand like PICADD, etc?
2925 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
2926 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
2927 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
2928 reglist:$regs, variable_ops),
2929 4, IIC_iLoad_mBr, [],
2930 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
2931 RegConstraint<"$Rn = $wb">;
2933 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
2934 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
2937 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
2938 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
2943 //===----------------------------------------------------------------------===//
2944 // Move Instructions.
2947 let neverHasSideEffects = 1 in
2948 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
2949 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2953 let Inst{19-16} = 0b0000;
2954 let Inst{11-4} = 0b00000000;
2957 let Inst{15-12} = Rd;
2960 // A version for the smaller set of tail call registers.
2961 let neverHasSideEffects = 1 in
2962 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
2963 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
2967 let Inst{11-4} = 0b00000000;
2970 let Inst{15-12} = Rd;
2973 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
2974 DPSoRegRegFrm, IIC_iMOVsr,
2975 "mov", "\t$Rd, $src",
2976 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
2980 let Inst{15-12} = Rd;
2981 let Inst{19-16} = 0b0000;
2982 let Inst{11-8} = src{11-8};
2984 let Inst{6-5} = src{6-5};
2986 let Inst{3-0} = src{3-0};
2990 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
2991 DPSoRegImmFrm, IIC_iMOVsr,
2992 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
2993 UnaryDP, Sched<[WriteALU]> {
2996 let Inst{15-12} = Rd;
2997 let Inst{19-16} = 0b0000;
2998 let Inst{11-5} = src{11-5};
3000 let Inst{3-0} = src{3-0};
3004 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3005 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
3006 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP,
3011 let Inst{15-12} = Rd;
3012 let Inst{19-16} = 0b0000;
3013 let Inst{11-0} = imm;
3016 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3017 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3019 "movw", "\t$Rd, $imm",
3020 [(set GPR:$Rd, imm0_65535:$imm)]>,
3021 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3024 let Inst{15-12} = Rd;
3025 let Inst{11-0} = imm{11-0};
3026 let Inst{19-16} = imm{15-12};
3029 let DecoderMethod = "DecodeArmMOVTWInstruction";
3032 def : InstAlias<"mov${p} $Rd, $imm",
3033 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p)>,
3036 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3037 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3040 let Constraints = "$src = $Rd" in {
3041 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3042 (ins GPR:$src, imm0_65535_expr:$imm),
3044 "movt", "\t$Rd, $imm",
3046 (or (and GPR:$src, 0xffff),
3047 lo16AllZero:$imm))]>, UnaryDP,
3048 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3051 let Inst{15-12} = Rd;
3052 let Inst{11-0} = imm{11-0};
3053 let Inst{19-16} = imm{15-12};
3056 let DecoderMethod = "DecodeArmMOVTWInstruction";
3059 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3060 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3065 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3066 Requires<[IsARM, HasV6T2]>;
3068 let Uses = [CPSR] in
3069 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3070 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3071 Requires<[IsARM]>, Sched<[WriteALU]>;
3073 // These aren't really mov instructions, but we have to define them this way
3074 // due to flag operands.
3076 let Defs = [CPSR] in {
3077 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3078 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3079 Sched<[WriteALU]>, Requires<[IsARM]>;
3080 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3081 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3082 Sched<[WriteALU]>, Requires<[IsARM]>;
3085 //===----------------------------------------------------------------------===//
3086 // Extend Instructions.
3091 def SXTB : AI_ext_rrot<0b01101010,
3092 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3093 def SXTH : AI_ext_rrot<0b01101011,
3094 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3096 def SXTAB : AI_exta_rrot<0b01101010,
3097 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3098 def SXTAH : AI_exta_rrot<0b01101011,
3099 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3101 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3103 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3107 let AddedComplexity = 16 in {
3108 def UXTB : AI_ext_rrot<0b01101110,
3109 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3110 def UXTH : AI_ext_rrot<0b01101111,
3111 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3112 def UXTB16 : AI_ext_rrot<0b01101100,
3113 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3115 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3116 // The transformation should probably be done as a combiner action
3117 // instead so we can include a check for masking back in the upper
3118 // eight bits of the source into the lower eight bits of the result.
3119 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3120 // (UXTB16r_rot GPR:$Src, 3)>;
3121 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3122 (UXTB16 GPR:$Src, 1)>;
3124 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3125 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3126 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3127 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3130 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3131 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3134 def SBFX : I<(outs GPRnopc:$Rd),
3135 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3136 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3137 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3138 Requires<[IsARM, HasV6T2]> {
3143 let Inst{27-21} = 0b0111101;
3144 let Inst{6-4} = 0b101;
3145 let Inst{20-16} = width;
3146 let Inst{15-12} = Rd;
3147 let Inst{11-7} = lsb;
3151 def UBFX : I<(outs GPR:$Rd),
3152 (ins GPR:$Rn, imm0_31:$lsb, imm1_32:$width),
3153 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3154 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3155 Requires<[IsARM, HasV6T2]> {
3160 let Inst{27-21} = 0b0111111;
3161 let Inst{6-4} = 0b101;
3162 let Inst{20-16} = width;
3163 let Inst{15-12} = Rd;
3164 let Inst{11-7} = lsb;
3168 //===----------------------------------------------------------------------===//
3169 // Arithmetic Instructions.
3172 defm ADD : AsI1_bin_irs<0b0100, "add",
3173 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3174 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
3175 defm SUB : AsI1_bin_irs<0b0010, "sub",
3176 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3177 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3179 // ADD and SUB with 's' bit set.
3181 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3182 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3183 // AdjustInstrPostInstrSelection where we determine whether or not to
3184 // set the "s" bit based on CPSR liveness.
3186 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3187 // support for an optional CPSR definition that corresponds to the DAG
3188 // node's second value. We can then eliminate the implicit def of CPSR.
3189 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3190 BinOpFrag<(ARMaddc node:$LHS, node:$RHS)>, 1>;
3191 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3192 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3194 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
3195 BinOpWithFlagFrag<(ARMadde node:$LHS, node:$RHS, node:$FLAG)>, 1>;
3196 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
3197 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3199 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3200 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3201 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
3203 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3204 // CPSR and the implicit def of CPSR is not needed.
3205 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3206 BinOpFrag<(ARMsubc node:$LHS, node:$RHS)>>;
3208 defm RSC : AI1_rsc_irs<0b0111, "rsc",
3209 BinOpWithFlagFrag<(ARMsube node:$LHS, node:$RHS, node:$FLAG)>>;
3211 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3212 // The assume-no-carry-in form uses the negation of the input since add/sub
3213 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3214 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3216 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
3217 (SUBri GPR:$src, so_imm_neg:$imm)>;
3218 def : ARMPat<(ARMaddc GPR:$src, so_imm_neg:$imm),
3219 (SUBSri GPR:$src, so_imm_neg:$imm)>;
3221 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3222 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3223 Requires<[IsARM, HasV6T2]>;
3224 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3225 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3226 Requires<[IsARM, HasV6T2]>;
3228 // The with-carry-in form matches bitwise not instead of the negation.
3229 // Effectively, the inverse interpretation of the carry flag already accounts
3230 // for part of the negation.
3231 def : ARMPat<(ARMadde GPR:$src, so_imm_not:$imm, CPSR),
3232 (SBCri GPR:$src, so_imm_not:$imm)>;
3233 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3234 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>;
3236 // Note: These are implemented in C++ code, because they have to generate
3237 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3239 // (mul X, 2^n+1) -> (add (X << n), X)
3240 // (mul X, 2^n-1) -> (rsb X, (X << n))
3242 // ARM Arithmetic Instruction
3243 // GPR:$dst = GPR:$a op GPR:$b
3244 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3245 list<dag> pattern = [],
3246 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3247 string asm = "\t$Rd, $Rn, $Rm">
3248 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3249 Sched<[WriteALU, ReadALU, ReadALU]> {
3253 let Inst{27-20} = op27_20;
3254 let Inst{11-4} = op11_4;
3255 let Inst{19-16} = Rn;
3256 let Inst{15-12} = Rd;
3259 let Unpredictable{11-8} = 0b1111;
3262 // Saturating add/subtract
3264 let DecoderMethod = "DecodeQADDInstruction" in
3265 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3266 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3267 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3269 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3270 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3271 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3272 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3273 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3275 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3276 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3279 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3280 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3281 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3282 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3283 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3284 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3285 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3286 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3287 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3288 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3289 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3290 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3292 // Signed/Unsigned add/subtract
3294 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3295 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3296 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3297 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3298 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3299 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3300 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3301 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3302 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3303 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3304 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3305 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3307 // Signed/Unsigned halving add/subtract
3309 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3310 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3311 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3312 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3313 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3314 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3315 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3316 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3317 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3318 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3319 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3320 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3322 // Unsigned Sum of Absolute Differences [and Accumulate].
3324 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3325 MulFrm /* for convenience */, NoItinerary, "usad8",
3326 "\t$Rd, $Rn, $Rm", []>,
3327 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3331 let Inst{27-20} = 0b01111000;
3332 let Inst{15-12} = 0b1111;
3333 let Inst{7-4} = 0b0001;
3334 let Inst{19-16} = Rd;
3335 let Inst{11-8} = Rm;
3338 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3339 MulFrm /* for convenience */, NoItinerary, "usada8",
3340 "\t$Rd, $Rn, $Rm, $Ra", []>,
3341 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3346 let Inst{27-20} = 0b01111000;
3347 let Inst{7-4} = 0b0001;
3348 let Inst{19-16} = Rd;
3349 let Inst{15-12} = Ra;
3350 let Inst{11-8} = Rm;
3354 // Signed/Unsigned saturate
3356 def SSAT : AI<(outs GPRnopc:$Rd),
3357 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3358 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3363 let Inst{27-21} = 0b0110101;
3364 let Inst{5-4} = 0b01;
3365 let Inst{20-16} = sat_imm;
3366 let Inst{15-12} = Rd;
3367 let Inst{11-7} = sh{4-0};
3368 let Inst{6} = sh{5};
3372 def SSAT16 : AI<(outs GPRnopc:$Rd),
3373 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3374 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []> {
3378 let Inst{27-20} = 0b01101010;
3379 let Inst{11-4} = 0b11110011;
3380 let Inst{15-12} = Rd;
3381 let Inst{19-16} = sat_imm;
3385 def USAT : AI<(outs GPRnopc:$Rd),
3386 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3387 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []> {
3392 let Inst{27-21} = 0b0110111;
3393 let Inst{5-4} = 0b01;
3394 let Inst{15-12} = Rd;
3395 let Inst{11-7} = sh{4-0};
3396 let Inst{6} = sh{5};
3397 let Inst{20-16} = sat_imm;
3401 def USAT16 : AI<(outs GPRnopc:$Rd),
3402 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3403 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []> {
3407 let Inst{27-20} = 0b01101110;
3408 let Inst{11-4} = 0b11110011;
3409 let Inst{15-12} = Rd;
3410 let Inst{19-16} = sat_imm;
3414 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm:$pos),
3415 (SSAT imm:$pos, GPRnopc:$a, 0)>;
3416 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm:$pos),
3417 (USAT imm:$pos, GPRnopc:$a, 0)>;
3419 //===----------------------------------------------------------------------===//
3420 // Bitwise Instructions.
3423 defm AND : AsI1_bin_irs<0b0000, "and",
3424 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3425 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
3426 defm ORR : AsI1_bin_irs<0b1100, "orr",
3427 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3428 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
3429 defm EOR : AsI1_bin_irs<0b0001, "eor",
3430 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3431 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
3432 defm BIC : AsI1_bin_irs<0b1110, "bic",
3433 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3434 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3436 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3437 // like in the actual instruction encoding. The complexity of mapping the mask
3438 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3439 // instruction description.
3440 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3441 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3442 "bfc", "\t$Rd, $imm", "$src = $Rd",
3443 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3444 Requires<[IsARM, HasV6T2]> {
3447 let Inst{27-21} = 0b0111110;
3448 let Inst{6-0} = 0b0011111;
3449 let Inst{15-12} = Rd;
3450 let Inst{11-7} = imm{4-0}; // lsb
3451 let Inst{20-16} = imm{9-5}; // msb
3454 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3455 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3456 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3457 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3458 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3459 bf_inv_mask_imm:$imm))]>,
3460 Requires<[IsARM, HasV6T2]> {
3464 let Inst{27-21} = 0b0111110;
3465 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3466 let Inst{15-12} = Rd;
3467 let Inst{11-7} = imm{4-0}; // lsb
3468 let Inst{20-16} = imm{9-5}; // width
3472 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3473 "mvn", "\t$Rd, $Rm",
3474 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3478 let Inst{19-16} = 0b0000;
3479 let Inst{11-4} = 0b00000000;
3480 let Inst{15-12} = Rd;
3483 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3484 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3485 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3490 let Inst{19-16} = 0b0000;
3491 let Inst{15-12} = Rd;
3492 let Inst{11-5} = shift{11-5};
3494 let Inst{3-0} = shift{3-0};
3496 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3497 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3498 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3503 let Inst{19-16} = 0b0000;
3504 let Inst{15-12} = Rd;
3505 let Inst{11-8} = shift{11-8};
3507 let Inst{6-5} = shift{6-5};
3509 let Inst{3-0} = shift{3-0};
3511 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3512 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
3513 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3514 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3518 let Inst{19-16} = 0b0000;
3519 let Inst{15-12} = Rd;
3520 let Inst{11-0} = imm;
3523 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
3524 (BICri GPR:$src, so_imm_not:$imm)>;
3526 //===----------------------------------------------------------------------===//
3527 // Multiply Instructions.
3529 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3530 string opc, string asm, list<dag> pattern>
3531 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3535 let Inst{19-16} = Rd;
3536 let Inst{11-8} = Rm;
3539 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3540 string opc, string asm, list<dag> pattern>
3541 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3546 let Inst{19-16} = RdHi;
3547 let Inst{15-12} = RdLo;
3548 let Inst{11-8} = Rm;
3551 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3552 string opc, string asm, list<dag> pattern>
3553 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3558 let Inst{19-16} = RdHi;
3559 let Inst{15-12} = RdLo;
3560 let Inst{11-8} = Rm;
3564 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3565 // property. Remove them when it's possible to add those properties
3566 // on an individual MachineInstr, not just an instruction description.
3567 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3568 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3569 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3570 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3571 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3572 Requires<[IsARM, HasV6]> {
3573 let Inst{15-12} = 0b0000;
3574 let Unpredictable{15-12} = 0b1111;
3577 let Constraints = "@earlyclobber $Rd" in
3578 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3579 pred:$p, cc_out:$s),
3581 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3582 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3583 Requires<[IsARM, NoV6, UseMulOps]>;
3586 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3587 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3588 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3589 Requires<[IsARM, HasV6, UseMulOps]> {
3591 let Inst{15-12} = Ra;
3594 let Constraints = "@earlyclobber $Rd" in
3595 def MLAv5: ARMPseudoExpand<(outs GPR:$Rd),
3596 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
3598 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))],
3599 (MLA GPR:$Rd, GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s)>,
3600 Requires<[IsARM, NoV6]>;
3602 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3603 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3604 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3605 Requires<[IsARM, HasV6T2, UseMulOps]> {
3610 let Inst{19-16} = Rd;
3611 let Inst{15-12} = Ra;
3612 let Inst{11-8} = Rm;
3616 // Extra precision multiplies with low / high results
3617 let neverHasSideEffects = 1 in {
3618 let isCommutable = 1 in {
3619 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
3620 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3621 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3622 Requires<[IsARM, HasV6]>;
3624 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
3625 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
3626 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3627 Requires<[IsARM, HasV6]>;
3629 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3630 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3631 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3633 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3634 Requires<[IsARM, NoV6]>;
3636 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3637 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
3639 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
3640 Requires<[IsARM, NoV6]>;
3644 // Multiply + accumulate
3645 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
3646 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3647 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3648 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3649 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
3650 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
3651 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3652 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>;
3654 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
3655 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
3656 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3657 Requires<[IsARM, HasV6]> {
3662 let Inst{19-16} = RdHi;
3663 let Inst{15-12} = RdLo;
3664 let Inst{11-8} = Rm;
3668 let Constraints = "$RLo = $RdLo,$RHi = $RdHi" in {
3669 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3670 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3672 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3673 pred:$p, cc_out:$s)>,
3674 Requires<[IsARM, NoV6]>;
3675 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3676 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
3678 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
3679 pred:$p, cc_out:$s)>,
3680 Requires<[IsARM, NoV6]>;
3683 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
3684 def UMAALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
3685 (ins GPR:$Rn, GPR:$Rm, pred:$p),
3687 (UMAAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p)>,
3688 Requires<[IsARM, NoV6]>;
3691 } // neverHasSideEffects
3693 // Most significant word multiply
3694 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3695 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
3696 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
3697 Requires<[IsARM, HasV6]> {
3698 let Inst{15-12} = 0b1111;
3701 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3702 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
3703 Requires<[IsARM, HasV6]> {
3704 let Inst{15-12} = 0b1111;
3707 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
3708 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3709 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
3710 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
3711 Requires<[IsARM, HasV6, UseMulOps]>;
3713 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
3714 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3715 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
3716 Requires<[IsARM, HasV6]>;
3718 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
3719 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3720 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
3721 Requires<[IsARM, HasV6, UseMulOps]>;
3723 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
3724 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3725 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
3726 Requires<[IsARM, HasV6]>;
3728 multiclass AI_smul<string opc, PatFrag opnode> {
3729 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3730 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
3731 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3732 (sext_inreg GPR:$Rm, i16)))]>,
3733 Requires<[IsARM, HasV5TE]>;
3735 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3736 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
3737 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
3738 (sra GPR:$Rm, (i32 16))))]>,
3739 Requires<[IsARM, HasV5TE]>;
3741 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3742 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
3743 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3744 (sext_inreg GPR:$Rm, i16)))]>,
3745 Requires<[IsARM, HasV5TE]>;
3747 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3748 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
3749 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
3750 (sra GPR:$Rm, (i32 16))))]>,
3751 Requires<[IsARM, HasV5TE]>;
3753 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3754 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
3755 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3756 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
3757 Requires<[IsARM, HasV5TE]>;
3759 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3760 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
3761 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
3762 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
3763 Requires<[IsARM, HasV5TE]>;
3767 multiclass AI_smla<string opc, PatFrag opnode> {
3768 let DecoderMethod = "DecodeSMLAInstruction" in {
3769 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
3770 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3771 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
3772 [(set GPRnopc:$Rd, (add GPR:$Ra,
3773 (opnode (sext_inreg GPRnopc:$Rn, i16),
3774 (sext_inreg GPRnopc:$Rm, i16))))]>,
3775 Requires<[IsARM, HasV5TE, UseMulOps]>;
3777 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
3778 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3779 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
3781 (add GPR:$Ra, (opnode (sext_inreg GPRnopc:$Rn, i16),
3782 (sra GPRnopc:$Rm, (i32 16)))))]>,
3783 Requires<[IsARM, HasV5TE, UseMulOps]>;
3785 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
3786 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3787 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
3789 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3790 (sext_inreg GPRnopc:$Rm, i16))))]>,
3791 Requires<[IsARM, HasV5TE, UseMulOps]>;
3793 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
3794 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3795 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
3797 (add GPR:$Ra, (opnode (sra GPRnopc:$Rn, (i32 16)),
3798 (sra GPRnopc:$Rm, (i32 16)))))]>,
3799 Requires<[IsARM, HasV5TE, UseMulOps]>;
3801 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
3802 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3803 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
3805 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3806 (sext_inreg GPRnopc:$Rm, i16)), (i32 16))))]>,
3807 Requires<[IsARM, HasV5TE, UseMulOps]>;
3809 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
3810 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3811 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
3813 (add GPR:$Ra, (sra (opnode GPRnopc:$Rn,
3814 (sra GPRnopc:$Rm, (i32 16))), (i32 16))))]>,
3815 Requires<[IsARM, HasV5TE, UseMulOps]>;
3819 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3820 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
3822 // Halfword multiply accumulate long: SMLAL<x><y>.
3823 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3824 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3825 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3826 Requires<[IsARM, HasV5TE]>;
3828 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3829 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3830 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3831 Requires<[IsARM, HasV5TE]>;
3833 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3834 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3835 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3836 Requires<[IsARM, HasV5TE]>;
3838 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3839 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3840 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
3841 Requires<[IsARM, HasV5TE]>;
3843 // Helper class for AI_smld.
3844 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
3845 InstrItinClass itin, string opc, string asm>
3846 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
3849 let Inst{27-23} = 0b01110;
3850 let Inst{22} = long;
3851 let Inst{21-20} = 0b00;
3852 let Inst{11-8} = Rm;
3859 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
3860 InstrItinClass itin, string opc, string asm>
3861 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3863 let Inst{15-12} = 0b1111;
3864 let Inst{19-16} = Rd;
3866 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
3867 InstrItinClass itin, string opc, string asm>
3868 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3871 let Inst{19-16} = Rd;
3872 let Inst{15-12} = Ra;
3874 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
3875 InstrItinClass itin, string opc, string asm>
3876 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
3879 let Inst{19-16} = RdHi;
3880 let Inst{15-12} = RdLo;
3883 multiclass AI_smld<bit sub, string opc> {
3885 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
3886 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3887 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
3889 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
3890 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
3891 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
3893 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3894 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3895 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
3897 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
3898 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
3899 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
3903 defm SMLA : AI_smld<0, "smla">;
3904 defm SMLS : AI_smld<1, "smls">;
3906 multiclass AI_sdml<bit sub, string opc> {
3908 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
3909 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
3910 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
3911 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
3914 defm SMUA : AI_sdml<0, "smua">;
3915 defm SMUS : AI_sdml<1, "smus">;
3917 //===----------------------------------------------------------------------===//
3918 // Division Instructions (ARMv7-A with virtualization extension)
3920 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3921 "sdiv", "\t$Rd, $Rn, $Rm",
3922 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
3923 Requires<[IsARM, HasDivideInARM]>;
3925 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
3926 "udiv", "\t$Rd, $Rn, $Rm",
3927 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
3928 Requires<[IsARM, HasDivideInARM]>;
3930 //===----------------------------------------------------------------------===//
3931 // Misc. Arithmetic Instructions.
3934 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
3935 IIC_iUNAr, "clz", "\t$Rd, $Rm",
3936 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
3939 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3940 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
3941 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
3942 Requires<[IsARM, HasV6T2]>,
3945 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
3946 IIC_iUNAr, "rev", "\t$Rd, $Rm",
3947 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
3950 let AddedComplexity = 5 in
3951 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3952 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
3953 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
3954 Requires<[IsARM, HasV6]>,
3957 let AddedComplexity = 5 in
3958 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
3959 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
3960 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
3961 Requires<[IsARM, HasV6]>,
3964 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
3965 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
3968 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
3969 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
3970 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
3971 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
3972 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
3974 Requires<[IsARM, HasV6]>,
3975 Sched<[WriteALUsi, ReadALU]>;
3977 // Alternate cases for PKHBT where identities eliminate some nodes.
3978 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
3979 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
3980 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
3981 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
3983 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
3984 // will match the pattern below.
3985 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
3986 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
3987 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
3988 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
3989 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
3991 Requires<[IsARM, HasV6]>,
3992 Sched<[WriteALUsi, ReadALU]>;
3994 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
3995 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
3996 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
3997 // pkhtb src1, src2, asr (17..31).
3998 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
3999 (srl GPRnopc:$src2, imm16:$sh)),
4000 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4001 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4002 (sra GPRnopc:$src2, imm16_31:$sh)),
4003 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4004 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4005 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4006 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4008 //===----------------------------------------------------------------------===//
4012 // + CRC32{B,H,W} 0x04C11DB7
4013 // + CRC32C{B,H,W} 0x1EDC6F41
4016 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4017 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4018 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4019 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4020 Requires<[IsARM, HasV8]> {
4025 let Inst{31-28} = 0b1110;
4026 let Inst{27-23} = 0b00010;
4027 let Inst{22-21} = sz;
4029 let Inst{19-16} = Rn;
4030 let Inst{15-12} = Rd;
4031 let Inst{11-10} = 0b00;
4034 let Inst{7-4} = 0b0100;
4037 let Unpredictable{11-8} = 0b1101;
4040 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4041 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4042 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4043 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4044 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4045 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4047 //===----------------------------------------------------------------------===//
4048 // Comparison Instructions...
4051 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4052 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
4053 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
4055 // ARMcmpZ can re-use the above instruction definitions.
4056 def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
4057 (CMPri GPR:$src, so_imm:$imm)>;
4058 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4059 (CMPrr GPR:$src, GPR:$rhs)>;
4060 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4061 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4062 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4063 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4065 // CMN register-integer
4066 let isCompare = 1, Defs = [CPSR] in {
4067 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, IIC_iCMPi,
4068 "cmn", "\t$Rn, $imm",
4069 [(ARMcmn GPR:$Rn, so_imm:$imm)]>,
4070 Sched<[WriteCMP, ReadALU]> {
4075 let Inst{19-16} = Rn;
4076 let Inst{15-12} = 0b0000;
4077 let Inst{11-0} = imm;
4079 let Unpredictable{15-12} = 0b1111;
4082 // CMN register-register/shift
4083 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4084 "cmn", "\t$Rn, $Rm",
4085 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4086 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4089 let isCommutable = 1;
4092 let Inst{19-16} = Rn;
4093 let Inst{15-12} = 0b0000;
4094 let Inst{11-4} = 0b00000000;
4097 let Unpredictable{15-12} = 0b1111;
4100 def CMNzrsi : AI1<0b1011, (outs),
4101 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4102 "cmn", "\t$Rn, $shift",
4103 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4104 GPR:$Rn, so_reg_imm:$shift)]>,
4105 Sched<[WriteCMPsi, ReadALU]> {
4110 let Inst{19-16} = Rn;
4111 let Inst{15-12} = 0b0000;
4112 let Inst{11-5} = shift{11-5};
4114 let Inst{3-0} = shift{3-0};
4116 let Unpredictable{15-12} = 0b1111;
4119 def CMNzrsr : AI1<0b1011, (outs),
4120 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4121 "cmn", "\t$Rn, $shift",
4122 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4123 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4124 Sched<[WriteCMPsr, ReadALU]> {
4129 let Inst{19-16} = Rn;
4130 let Inst{15-12} = 0b0000;
4131 let Inst{11-8} = shift{11-8};
4133 let Inst{6-5} = shift{6-5};
4135 let Inst{3-0} = shift{3-0};
4137 let Unpredictable{15-12} = 0b1111;
4142 def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
4143 (CMNri GPR:$src, so_imm_neg:$imm)>;
4145 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
4146 (CMNri GPR:$src, so_imm_neg:$imm)>;
4148 // Note that TST/TEQ don't set all the same flags that CMP does!
4149 defm TST : AI1_cmp_irs<0b1000, "tst",
4150 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4151 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
4152 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4153 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4154 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4156 // Pseudo i64 compares for some floating point compares.
4157 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4159 def BCCi64 : PseudoInst<(outs),
4160 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4162 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4165 def BCCZi64 : PseudoInst<(outs),
4166 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4167 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4169 } // usesCustomInserter
4172 // Conditional moves
4173 let neverHasSideEffects = 1 in {
4175 let isCommutable = 1, isSelect = 1 in
4176 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4177 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4179 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4181 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4183 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4184 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4187 (ARMcmov GPR:$false, so_reg_imm:$shift,
4189 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4190 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4191 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4193 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4195 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4198 let isMoveImm = 1 in
4200 : ARMPseudoInst<(outs GPR:$Rd),
4201 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4203 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4205 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4208 let isMoveImm = 1 in
4209 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4210 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4212 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm,
4214 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4216 // Two instruction predicate mov immediate.
4217 let isMoveImm = 1 in
4219 : ARMPseudoInst<(outs GPR:$Rd),
4220 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4222 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4224 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4226 let isMoveImm = 1 in
4227 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4228 (ins GPR:$false, so_imm:$imm, cmovpred:$p),
4230 [(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm,
4232 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4234 } // neverHasSideEffects
4237 //===----------------------------------------------------------------------===//
4238 // Atomic operations intrinsics
4241 def MemBarrierOptOperand : AsmOperandClass {
4242 let Name = "MemBarrierOpt";
4243 let ParserMethod = "parseMemBarrierOptOperand";
4245 def memb_opt : Operand<i32> {
4246 let PrintMethod = "printMemBOption";
4247 let ParserMatchClass = MemBarrierOptOperand;
4248 let DecoderMethod = "DecodeMemBarrierOption";
4251 def InstSyncBarrierOptOperand : AsmOperandClass {
4252 let Name = "InstSyncBarrierOpt";
4253 let ParserMethod = "parseInstSyncBarrierOptOperand";
4255 def instsyncb_opt : Operand<i32> {
4256 let PrintMethod = "printInstSyncBOption";
4257 let ParserMatchClass = InstSyncBarrierOptOperand;
4258 let DecoderMethod = "DecodeInstSyncBarrierOption";
4261 // memory barriers protect the atomic sequences
4262 let hasSideEffects = 1 in {
4263 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4264 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4265 Requires<[IsARM, HasDB]> {
4267 let Inst{31-4} = 0xf57ff05;
4268 let Inst{3-0} = opt;
4272 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4273 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4274 Requires<[IsARM, HasDB]> {
4276 let Inst{31-4} = 0xf57ff04;
4277 let Inst{3-0} = opt;
4280 // ISB has only full system option
4281 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4282 "isb", "\t$opt", []>,
4283 Requires<[IsARM, HasDB]> {
4285 let Inst{31-4} = 0xf57ff06;
4286 let Inst{3-0} = opt;
4289 let usesCustomInserter = 1, Defs = [CPSR] in {
4291 // Pseudo instruction that combines movs + predicated rsbmi
4292 // to implement integer ABS
4293 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4295 // Atomic pseudo-insts which will be lowered to ldrex/strex loops.
4296 // (64-bit pseudos use a hand-written selection code).
4297 let mayLoad = 1, mayStore = 1 in {
4298 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
4300 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4302 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
4304 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4306 def ATOMIC_LOAD_AND_I8 : PseudoInst<
4308 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4310 def ATOMIC_LOAD_OR_I8 : PseudoInst<
4312 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4314 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
4316 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4318 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
4320 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4322 def ATOMIC_LOAD_MIN_I8 : PseudoInst<
4324 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4326 def ATOMIC_LOAD_MAX_I8 : PseudoInst<
4328 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4330 def ATOMIC_LOAD_UMIN_I8 : PseudoInst<
4332 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4334 def ATOMIC_LOAD_UMAX_I8 : PseudoInst<
4336 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4338 def ATOMIC_SWAP_I8 : PseudoInst<
4340 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4342 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
4344 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4346 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
4348 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4350 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
4352 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4354 def ATOMIC_LOAD_AND_I16 : PseudoInst<
4356 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4358 def ATOMIC_LOAD_OR_I16 : PseudoInst<
4360 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4362 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
4364 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4366 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
4368 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4370 def ATOMIC_LOAD_MIN_I16 : PseudoInst<
4372 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4374 def ATOMIC_LOAD_MAX_I16 : PseudoInst<
4376 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4378 def ATOMIC_LOAD_UMIN_I16 : PseudoInst<
4380 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4382 def ATOMIC_LOAD_UMAX_I16 : PseudoInst<
4384 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4386 def ATOMIC_SWAP_I16 : PseudoInst<
4388 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4390 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
4392 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4394 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
4396 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4398 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
4400 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4402 def ATOMIC_LOAD_AND_I32 : PseudoInst<
4404 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4406 def ATOMIC_LOAD_OR_I32 : PseudoInst<
4408 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4410 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
4412 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4414 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
4416 (ins GPR:$ptr, GPR:$incr, i32imm:$ordering),
4418 def ATOMIC_LOAD_MIN_I32 : PseudoInst<
4420 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4422 def ATOMIC_LOAD_MAX_I32 : PseudoInst<
4424 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4426 def ATOMIC_LOAD_UMIN_I32 : PseudoInst<
4428 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4430 def ATOMIC_LOAD_UMAX_I32 : PseudoInst<
4432 (ins GPR:$ptr, GPR:$val, i32imm:$ordering),
4434 def ATOMIC_SWAP_I32 : PseudoInst<
4436 (ins GPR:$ptr, GPR:$new, i32imm:$ordering),
4438 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
4440 (ins GPR:$ptr, GPR:$old, GPR:$new, i32imm:$ordering),
4442 def ATOMIC_LOAD_ADD_I64 : PseudoInst<
4443 (outs GPR:$dst1, GPR:$dst2),
4444 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4446 def ATOMIC_LOAD_SUB_I64 : PseudoInst<
4447 (outs GPR:$dst1, GPR:$dst2),
4448 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4450 def ATOMIC_LOAD_AND_I64 : PseudoInst<
4451 (outs GPR:$dst1, GPR:$dst2),
4452 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4454 def ATOMIC_LOAD_OR_I64 : PseudoInst<
4455 (outs GPR:$dst1, GPR:$dst2),
4456 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4458 def ATOMIC_LOAD_XOR_I64 : PseudoInst<
4459 (outs GPR:$dst1, GPR:$dst2),
4460 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4462 def ATOMIC_LOAD_NAND_I64 : PseudoInst<
4463 (outs GPR:$dst1, GPR:$dst2),
4464 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4466 def ATOMIC_LOAD_MIN_I64 : PseudoInst<
4467 (outs GPR:$dst1, GPR:$dst2),
4468 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4470 def ATOMIC_LOAD_MAX_I64 : PseudoInst<
4471 (outs GPR:$dst1, GPR:$dst2),
4472 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4474 def ATOMIC_LOAD_UMIN_I64 : PseudoInst<
4475 (outs GPR:$dst1, GPR:$dst2),
4476 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4478 def ATOMIC_LOAD_UMAX_I64 : PseudoInst<
4479 (outs GPR:$dst1, GPR:$dst2),
4480 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4482 def ATOMIC_SWAP_I64 : PseudoInst<
4483 (outs GPR:$dst1, GPR:$dst2),
4484 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4486 def ATOMIC_CMP_SWAP_I64 : PseudoInst<
4487 (outs GPR:$dst1, GPR:$dst2),
4488 (ins GPR:$addr, GPR:$cmp1, GPR:$cmp2,
4489 GPR:$set1, GPR:$set2, i32imm:$ordering),
4493 def ATOMIC_LOAD_I64 : PseudoInst<
4494 (outs GPR:$dst1, GPR:$dst2),
4495 (ins GPR:$addr, i32imm:$ordering),
4498 def ATOMIC_STORE_I64 : PseudoInst<
4499 (outs GPR:$dst1, GPR:$dst2),
4500 (ins GPR:$addr, GPR:$src1, GPR:$src2, i32imm:$ordering),
4504 let usesCustomInserter = 1 in {
4505 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4506 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4508 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4511 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4512 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4515 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4516 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4519 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4520 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4523 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4524 (int_arm_strex node:$val, node:$ptr), [{
4525 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4528 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4529 (int_arm_strex node:$val, node:$ptr), [{
4530 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4533 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4534 (int_arm_strex node:$val, node:$ptr), [{
4535 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4538 let mayLoad = 1 in {
4539 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4540 NoItinerary, "ldrexb", "\t$Rt, $addr",
4541 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4542 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4543 NoItinerary, "ldrexh", "\t$Rt, $addr",
4544 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4545 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4546 NoItinerary, "ldrex", "\t$Rt, $addr",
4547 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4548 let hasExtraDefRegAllocReq = 1 in
4549 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4550 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4551 let DecoderMethod = "DecodeDoubleRegLoad";
4554 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4555 NoItinerary, "ldaexb", "\t$Rt, $addr", []>;
4556 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4557 NoItinerary, "ldaexh", "\t$Rt, $addr", []>;
4558 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4559 NoItinerary, "ldaex", "\t$Rt, $addr", []>;
4560 let hasExtraDefRegAllocReq = 1 in
4561 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4562 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4563 let DecoderMethod = "DecodeDoubleRegLoad";
4567 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4568 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4569 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4570 [(set GPR:$Rd, (strex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4571 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4572 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4573 [(set GPR:$Rd, (strex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4574 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4575 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4576 [(set GPR:$Rd, (strex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4577 let hasExtraSrcRegAllocReq = 1 in
4578 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4579 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4580 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4581 let DecoderMethod = "DecodeDoubleRegStore";
4583 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4584 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4586 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4587 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4589 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4590 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4592 let hasExtraSrcRegAllocReq = 1 in
4593 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4594 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4595 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4596 let DecoderMethod = "DecodeDoubleRegStore";
4600 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4602 Requires<[IsARM, HasV7]> {
4603 let Inst{31-0} = 0b11110101011111111111000000011111;
4606 def : ARMPat<(and (ldrex_1 addr_offset_none:$addr), 0xff),
4607 (LDREXB addr_offset_none:$addr)>;
4608 def : ARMPat<(and (ldrex_2 addr_offset_none:$addr), 0xffff),
4609 (LDREXH addr_offset_none:$addr)>;
4610 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4611 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4612 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4613 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4615 class acquiring_load<PatFrag base>
4616 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4617 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4618 return Ordering == Acquire || Ordering == SequentiallyConsistent;
4621 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4622 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4623 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4625 class releasing_store<PatFrag base>
4626 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4627 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4628 return Ordering == Release || Ordering == SequentiallyConsistent;
4631 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4632 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4633 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4635 let AddedComplexity = 8 in {
4636 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4637 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4638 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4639 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4640 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4641 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4644 // SWP/SWPB are deprecated in V6/V7.
4645 let mayLoad = 1, mayStore = 1 in {
4646 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4647 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4649 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4650 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4654 //===----------------------------------------------------------------------===//
4655 // Coprocessor Instructions.
4658 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4659 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4660 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4661 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4662 imm:$CRm, imm:$opc2)]> {
4670 let Inst{3-0} = CRm;
4672 let Inst{7-5} = opc2;
4673 let Inst{11-8} = cop;
4674 let Inst{15-12} = CRd;
4675 let Inst{19-16} = CRn;
4676 let Inst{23-20} = opc1;
4679 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4680 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4681 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4682 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4683 imm:$CRm, imm:$opc2)]> {
4684 let Inst{31-28} = 0b1111;
4692 let Inst{3-0} = CRm;
4694 let Inst{7-5} = opc2;
4695 let Inst{11-8} = cop;
4696 let Inst{15-12} = CRd;
4697 let Inst{19-16} = CRn;
4698 let Inst{23-20} = opc1;
4701 class ACI<dag oops, dag iops, string opc, string asm,
4702 IndexMode im = IndexModeNone>
4703 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4705 let Inst{27-25} = 0b110;
4707 class ACInoP<dag oops, dag iops, string opc, string asm,
4708 IndexMode im = IndexModeNone>
4709 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4711 let Inst{31-28} = 0b1111;
4712 let Inst{27-25} = 0b110;
4714 multiclass LdStCop<bit load, bit Dbit, string asm> {
4715 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4716 asm, "\t$cop, $CRd, $addr"> {
4720 let Inst{24} = 1; // P = 1
4721 let Inst{23} = addr{8};
4722 let Inst{22} = Dbit;
4723 let Inst{21} = 0; // W = 0
4724 let Inst{20} = load;
4725 let Inst{19-16} = addr{12-9};
4726 let Inst{15-12} = CRd;
4727 let Inst{11-8} = cop;
4728 let Inst{7-0} = addr{7-0};
4729 let DecoderMethod = "DecodeCopMemInstruction";
4731 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4732 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4736 let Inst{24} = 1; // P = 1
4737 let Inst{23} = addr{8};
4738 let Inst{22} = Dbit;
4739 let Inst{21} = 1; // W = 1
4740 let Inst{20} = load;
4741 let Inst{19-16} = addr{12-9};
4742 let Inst{15-12} = CRd;
4743 let Inst{11-8} = cop;
4744 let Inst{7-0} = addr{7-0};
4745 let DecoderMethod = "DecodeCopMemInstruction";
4747 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4748 postidx_imm8s4:$offset),
4749 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4754 let Inst{24} = 0; // P = 0
4755 let Inst{23} = offset{8};
4756 let Inst{22} = Dbit;
4757 let Inst{21} = 1; // W = 1
4758 let Inst{20} = load;
4759 let Inst{19-16} = addr;
4760 let Inst{15-12} = CRd;
4761 let Inst{11-8} = cop;
4762 let Inst{7-0} = offset{7-0};
4763 let DecoderMethod = "DecodeCopMemInstruction";
4765 def _OPTION : ACI<(outs),
4766 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4767 coproc_option_imm:$option),
4768 asm, "\t$cop, $CRd, $addr, $option"> {
4773 let Inst{24} = 0; // P = 0
4774 let Inst{23} = 1; // U = 1
4775 let Inst{22} = Dbit;
4776 let Inst{21} = 0; // W = 0
4777 let Inst{20} = load;
4778 let Inst{19-16} = addr;
4779 let Inst{15-12} = CRd;
4780 let Inst{11-8} = cop;
4781 let Inst{7-0} = option;
4782 let DecoderMethod = "DecodeCopMemInstruction";
4785 multiclass LdSt2Cop<bit load, bit Dbit, string asm> {
4786 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
4787 asm, "\t$cop, $CRd, $addr"> {
4791 let Inst{24} = 1; // P = 1
4792 let Inst{23} = addr{8};
4793 let Inst{22} = Dbit;
4794 let Inst{21} = 0; // W = 0
4795 let Inst{20} = load;
4796 let Inst{19-16} = addr{12-9};
4797 let Inst{15-12} = CRd;
4798 let Inst{11-8} = cop;
4799 let Inst{7-0} = addr{7-0};
4800 let DecoderMethod = "DecodeCopMemInstruction";
4802 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
4803 asm, "\t$cop, $CRd, $addr!", IndexModePre> {
4807 let Inst{24} = 1; // P = 1
4808 let Inst{23} = addr{8};
4809 let Inst{22} = Dbit;
4810 let Inst{21} = 1; // W = 1
4811 let Inst{20} = load;
4812 let Inst{19-16} = addr{12-9};
4813 let Inst{15-12} = CRd;
4814 let Inst{11-8} = cop;
4815 let Inst{7-0} = addr{7-0};
4816 let DecoderMethod = "DecodeCopMemInstruction";
4818 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4819 postidx_imm8s4:$offset),
4820 asm, "\t$cop, $CRd, $addr, $offset", IndexModePost> {
4825 let Inst{24} = 0; // P = 0
4826 let Inst{23} = offset{8};
4827 let Inst{22} = Dbit;
4828 let Inst{21} = 1; // W = 1
4829 let Inst{20} = load;
4830 let Inst{19-16} = addr;
4831 let Inst{15-12} = CRd;
4832 let Inst{11-8} = cop;
4833 let Inst{7-0} = offset{7-0};
4834 let DecoderMethod = "DecodeCopMemInstruction";
4836 def _OPTION : ACInoP<(outs),
4837 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
4838 coproc_option_imm:$option),
4839 asm, "\t$cop, $CRd, $addr, $option"> {
4844 let Inst{24} = 0; // P = 0
4845 let Inst{23} = 1; // U = 1
4846 let Inst{22} = Dbit;
4847 let Inst{21} = 0; // W = 0
4848 let Inst{20} = load;
4849 let Inst{19-16} = addr;
4850 let Inst{15-12} = CRd;
4851 let Inst{11-8} = cop;
4852 let Inst{7-0} = option;
4853 let DecoderMethod = "DecodeCopMemInstruction";
4857 defm LDC : LdStCop <1, 0, "ldc">;
4858 defm LDCL : LdStCop <1, 1, "ldcl">;
4859 defm STC : LdStCop <0, 0, "stc">;
4860 defm STCL : LdStCop <0, 1, "stcl">;
4861 defm LDC2 : LdSt2Cop<1, 0, "ldc2">;
4862 defm LDC2L : LdSt2Cop<1, 1, "ldc2l">;
4863 defm STC2 : LdSt2Cop<0, 0, "stc2">;
4864 defm STC2L : LdSt2Cop<0, 1, "stc2l">;
4866 //===----------------------------------------------------------------------===//
4867 // Move between coprocessor and ARM core register.
4870 class MovRCopro<string opc, bit direction, dag oops, dag iops,
4872 : ABI<0b1110, oops, iops, NoItinerary, opc,
4873 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
4874 let Inst{20} = direction;
4884 let Inst{15-12} = Rt;
4885 let Inst{11-8} = cop;
4886 let Inst{23-21} = opc1;
4887 let Inst{7-5} = opc2;
4888 let Inst{3-0} = CRm;
4889 let Inst{19-16} = CRn;
4892 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
4894 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4895 c_imm:$CRm, imm0_7:$opc2),
4896 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4897 imm:$CRm, imm:$opc2)]>,
4898 ComplexDeprecationPredicate<"MCR">;
4899 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
4900 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4901 c_imm:$CRm, 0, pred:$p)>;
4902 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
4903 (outs GPRwithAPSR:$Rt),
4904 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4906 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
4907 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4908 c_imm:$CRm, 0, pred:$p)>;
4910 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
4911 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4913 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
4915 : ABXI<0b1110, oops, iops, NoItinerary,
4916 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
4917 let Inst{31-24} = 0b11111110;
4918 let Inst{20} = direction;
4928 let Inst{15-12} = Rt;
4929 let Inst{11-8} = cop;
4930 let Inst{23-21} = opc1;
4931 let Inst{7-5} = opc2;
4932 let Inst{3-0} = CRm;
4933 let Inst{19-16} = CRn;
4936 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
4938 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4939 c_imm:$CRm, imm0_7:$opc2),
4940 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
4941 imm:$CRm, imm:$opc2)]>;
4942 def : ARMInstAlias<"mcr2$ $cop, $opc1, $Rt, $CRn, $CRm",
4943 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
4945 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
4946 (outs GPRwithAPSR:$Rt),
4947 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
4949 def : ARMInstAlias<"mrc2$ $cop, $opc1, $Rt, $CRn, $CRm",
4950 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
4953 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
4954 imm:$CRm, imm:$opc2),
4955 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
4957 class MovRRCopro<string opc, bit direction, list<dag> pattern = []>
4958 : ABI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4959 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm),
4960 NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm", pattern> {
4961 let Inst{23-21} = 0b010;
4962 let Inst{20} = direction;
4970 let Inst{15-12} = Rt;
4971 let Inst{19-16} = Rt2;
4972 let Inst{11-8} = cop;
4973 let Inst{7-4} = opc1;
4974 let Inst{3-0} = CRm;
4977 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
4978 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
4979 GPRnopc:$Rt2, imm:$CRm)]>;
4980 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
4982 class MovRRCopro2<string opc, bit direction, list<dag> pattern = []>
4983 : ABXI<0b1100, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4984 GPRnopc:$Rt, GPRnopc:$Rt2, c_imm:$CRm), NoItinerary,
4985 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern> {
4986 let Inst{31-28} = 0b1111;
4987 let Inst{23-21} = 0b010;
4988 let Inst{20} = direction;
4996 let Inst{15-12} = Rt;
4997 let Inst{19-16} = Rt2;
4998 let Inst{11-8} = cop;
4999 let Inst{7-4} = opc1;
5000 let Inst{3-0} = CRm;
5002 let DecoderMethod = "DecodeMRRC2";
5005 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5006 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5007 GPRnopc:$Rt2, imm:$CRm)]>;
5008 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
5010 //===----------------------------------------------------------------------===//
5011 // Move between special register and ARM core register
5014 // Move to ARM core register from Special Register
5015 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5016 "mrs", "\t$Rd, apsr", []> {
5018 let Inst{23-16} = 0b00001111;
5019 let Unpredictable{19-17} = 0b111;
5021 let Inst{15-12} = Rd;
5023 let Inst{11-0} = 0b000000000000;
5024 let Unpredictable{11-0} = 0b110100001111;
5027 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p)>,
5030 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5031 // section B9.3.9, with the R bit set to 1.
5032 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5033 "mrs", "\t$Rd, spsr", []> {
5035 let Inst{23-16} = 0b01001111;
5036 let Unpredictable{19-16} = 0b1111;
5038 let Inst{15-12} = Rd;
5040 let Inst{11-0} = 0b000000000000;
5041 let Unpredictable{11-0} = 0b110100001111;
5044 // Move from ARM core register to Special Register
5046 // No need to have both system and application versions, the encodings are the
5047 // same and the assembly parser has no way to distinguish between them. The mask
5048 // operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
5049 // the mask with the fields to be accessed in the special register.
5050 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5051 "msr", "\t$mask, $Rn", []> {
5056 let Inst{22} = mask{4}; // R bit
5057 let Inst{21-20} = 0b10;
5058 let Inst{19-16} = mask{3-0};
5059 let Inst{15-12} = 0b1111;
5060 let Inst{11-4} = 0b00000000;
5064 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
5065 "msr", "\t$mask, $a", []> {
5070 let Inst{22} = mask{4}; // R bit
5071 let Inst{21-20} = 0b10;
5072 let Inst{19-16} = mask{3-0};
5073 let Inst{15-12} = 0b1111;
5077 //===----------------------------------------------------------------------===//
5081 // __aeabi_read_tp preserves the registers r1-r3.
5082 // This is a pseudo inst so that we can get the encoding right,
5083 // complete with fixup for the aeabi_read_tp function.
5085 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5086 def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
5087 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5090 //===----------------------------------------------------------------------===//
5091 // SJLJ Exception handling intrinsics
5092 // eh_sjlj_setjmp() is an instruction sequence to store the return
5093 // address and save #0 in R0 for the non-longjmp case.
5094 // Since by its nature we may be coming from some other function to get
5095 // here, and we're using the stack frame for the containing function to
5096 // save/restore registers, we can't keep anything live in regs across
5097 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5098 // when we get here from a longjmp(). We force everything out of registers
5099 // except for our own input by listing the relevant registers in Defs. By
5100 // doing so, we also cause the prologue/epilogue code to actively preserve
5101 // all of the callee-saved resgisters, which is exactly what we want.
5102 // A constant value is passed in $val, and we use the location as a scratch.
5104 // These are pseudo-instructions and are lowered to individual MC-insts, so
5105 // no encoding information is necessary.
5107 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5108 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5109 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5110 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5112 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5113 Requires<[IsARM, HasVFP2]>;
5117 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5118 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5119 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5121 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5122 Requires<[IsARM, NoVFP]>;
5125 // FIXME: Non-IOS version(s)
5126 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5127 Defs = [ R7, LR, SP ] in {
5128 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5130 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5131 Requires<[IsARM, IsIOS]>;
5134 // eh.sjlj.dispatchsetup pseudo-instruction.
5135 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5136 // the pseudo is expanded (which happens before any passes that need the
5137 // instruction size).
5138 let isBarrier = 1 in
5139 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5142 //===----------------------------------------------------------------------===//
5143 // Non-Instruction Patterns
5146 // ARMv4 indirect branch using (MOVr PC, dst)
5147 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5148 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5149 4, IIC_Br, [(brind GPR:$dst)],
5150 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5151 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5153 // Large immediate handling.
5155 // 32-bit immediate using two piece so_imms or movw + movt.
5156 // This is a single pseudo instruction, the benefit is that it can be remat'd
5157 // as a single unit instead of having to handle reg inputs.
5158 // FIXME: Remove this when we can do generalized remat.
5159 let isReMaterializable = 1, isMoveImm = 1 in
5160 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5161 [(set GPR:$dst, (arm_i32imm:$src))]>,
5164 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5165 // It also makes it possible to rematerialize the instructions.
5166 // FIXME: Remove this when we can do generalized remat and when machine licm
5167 // can properly the instructions.
5168 let isReMaterializable = 1 in {
5169 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5171 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5172 Requires<[IsARM, UseMovt]>;
5174 def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5176 [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
5177 Requires<[IsARM, UseMovt]>;
5179 let AddedComplexity = 10 in
5180 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5182 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5183 Requires<[IsARM, UseMovt]>;
5184 } // isReMaterializable
5186 // ConstantPool, GlobalAddress, and JumpTable
5187 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
5188 Requires<[IsARM, DontUseMovt]>;
5189 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5190 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5191 Requires<[IsARM, UseMovt]>;
5192 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
5193 (LEApcrelJT tjumptable:$dst, imm:$id)>;
5195 // TODO: add,sub,and, 3-instr forms?
5197 // Tail calls. These patterns also apply to Thumb mode.
5198 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5199 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5200 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5203 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5204 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5205 (BMOVPCB_CALL texternalsym:$func)>;
5207 // zextload i1 -> zextload i8
5208 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5209 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5211 // extload -> zextload
5212 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5213 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5214 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5215 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5217 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5219 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5220 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5223 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5224 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5225 (SMULBB GPR:$a, GPR:$b)>;
5226 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5227 (SMULBB GPR:$a, GPR:$b)>;
5228 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5229 (sra GPR:$b, (i32 16))),
5230 (SMULBT GPR:$a, GPR:$b)>;
5231 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5232 (SMULBT GPR:$a, GPR:$b)>;
5233 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
5234 (sra (shl GPR:$b, (i32 16)), (i32 16))),
5235 (SMULTB GPR:$a, GPR:$b)>;
5236 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5237 (SMULTB GPR:$a, GPR:$b)>;
5238 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5240 (SMULWB GPR:$a, GPR:$b)>;
5241 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
5242 (SMULWB GPR:$a, GPR:$b)>;
5244 def : ARMV5MOPat<(add GPR:$acc,
5245 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5246 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5247 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5248 def : ARMV5MOPat<(add GPR:$acc,
5249 (mul sext_16_node:$a, sext_16_node:$b)),
5250 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5251 def : ARMV5MOPat<(add GPR:$acc,
5252 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
5253 (sra GPR:$b, (i32 16)))),
5254 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5255 def : ARMV5MOPat<(add GPR:$acc,
5256 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5257 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5258 def : ARMV5MOPat<(add GPR:$acc,
5259 (mul (sra GPR:$a, (i32 16)),
5260 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
5261 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5262 def : ARMV5MOPat<(add GPR:$acc,
5263 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5264 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5265 def : ARMV5MOPat<(add GPR:$acc,
5266 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
5268 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5269 def : ARMV5MOPat<(add GPR:$acc,
5270 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
5271 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5274 // Pre-v7 uses MCR for synchronization barriers.
5275 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5276 Requires<[IsARM, HasV6]>;
5278 // SXT/UXT with no rotate
5279 let AddedComplexity = 16 in {
5280 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5281 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5282 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5283 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5284 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5285 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5286 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5289 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5290 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5292 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5293 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5294 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5295 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5297 // Atomic load/store patterns
5298 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5299 (LDRBrs ldst_so_reg:$src)>;
5300 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5301 (LDRBi12 addrmode_imm12:$src)>;
5302 def : ARMPat<(atomic_load_16 addrmode3:$src),
5303 (LDRH addrmode3:$src)>;
5304 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5305 (LDRrs ldst_so_reg:$src)>;
5306 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5307 (LDRi12 addrmode_imm12:$src)>;
5308 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5309 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5310 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5311 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5312 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5313 (STRH GPR:$val, addrmode3:$ptr)>;
5314 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5315 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5316 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5317 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5320 //===----------------------------------------------------------------------===//
5324 include "ARMInstrThumb.td"
5326 //===----------------------------------------------------------------------===//
5330 include "ARMInstrThumb2.td"
5332 //===----------------------------------------------------------------------===//
5333 // Floating Point Support
5336 include "ARMInstrVFP.td"
5338 //===----------------------------------------------------------------------===//
5339 // Advanced SIMD (NEON) Support
5342 include "ARMInstrNEON.td"
5344 //===----------------------------------------------------------------------===//
5345 // Assembler aliases
5349 def : InstAlias<"dmb", (DMB 0xf)>, Requires<[IsARM, HasDB]>;
5350 def : InstAlias<"dsb", (DSB 0xf)>, Requires<[IsARM, HasDB]>;
5351 def : InstAlias<"isb", (ISB 0xf)>, Requires<[IsARM, HasDB]>;
5353 // System instructions
5354 def : MnemonicAlias<"swi", "svc">;
5356 // Load / Store Multiple
5357 def : MnemonicAlias<"ldmfd", "ldm">;
5358 def : MnemonicAlias<"ldmia", "ldm">;
5359 def : MnemonicAlias<"ldmea", "ldmdb">;
5360 def : MnemonicAlias<"stmfd", "stmdb">;
5361 def : MnemonicAlias<"stmia", "stm">;
5362 def : MnemonicAlias<"stmea", "stm">;
5364 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT when the
5365 // shift amount is zero (i.e., unspecified).
5366 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5367 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5368 Requires<[IsARM, HasV6]>;
5369 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5370 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p)>,
5371 Requires<[IsARM, HasV6]>;
5373 // PUSH/POP aliases for STM/LDM
5374 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5375 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5377 // SSAT/USAT optional shift operand.
5378 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5379 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5380 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5381 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5384 // Extend instruction optional rotate operand.
5385 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5386 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5387 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5388 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5389 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5390 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5391 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5392 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5393 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5394 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5395 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5396 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5398 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5399 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5400 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5401 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5402 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5403 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5404 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5405 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5406 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5407 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5408 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5409 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5413 def : MnemonicAlias<"rfefa", "rfeda">;
5414 def : MnemonicAlias<"rfeea", "rfedb">;
5415 def : MnemonicAlias<"rfefd", "rfeia">;
5416 def : MnemonicAlias<"rfeed", "rfeib">;
5417 def : MnemonicAlias<"rfe", "rfeia">;
5420 def : MnemonicAlias<"srsfa", "srsib">;
5421 def : MnemonicAlias<"srsea", "srsia">;
5422 def : MnemonicAlias<"srsfd", "srsdb">;
5423 def : MnemonicAlias<"srsed", "srsda">;
5424 def : MnemonicAlias<"srs", "srsia">;
5427 def : MnemonicAlias<"qsubaddx", "qsax">;
5429 def : MnemonicAlias<"saddsubx", "sasx">;
5430 // SHASX == SHADDSUBX
5431 def : MnemonicAlias<"shaddsubx", "shasx">;
5432 // SHSAX == SHSUBADDX
5433 def : MnemonicAlias<"shsubaddx", "shsax">;
5435 def : MnemonicAlias<"ssubaddx", "ssax">;
5437 def : MnemonicAlias<"uaddsubx", "uasx">;
5438 // UHASX == UHADDSUBX
5439 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5440 // UHSAX == UHSUBADDX
5441 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5442 // UQASX == UQADDSUBX
5443 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5444 // UQSAX == UQSUBADDX
5445 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5447 def : MnemonicAlias<"usubaddx", "usax">;
5449 // "mov Rd, so_imm_not" can be handled via "mvn" in assembly, just like
5451 def : ARMInstAlias<"mov${s}${p} $Rd, $imm",
5452 (MVNi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5453 def : ARMInstAlias<"mvn${s}${p} $Rd, $imm",
5454 (MOVi rGPR:$Rd, so_imm_not:$imm, pred:$p, cc_out:$s)>;
5455 // Same for AND <--> BIC
5456 def : ARMInstAlias<"bic${s}${p} $Rd, $Rn, $imm",
5457 (ANDri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5458 pred:$p, cc_out:$s)>;
5459 def : ARMInstAlias<"bic${s}${p} $Rdn, $imm",
5460 (ANDri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5461 pred:$p, cc_out:$s)>;
5462 def : ARMInstAlias<"and${s}${p} $Rd, $Rn, $imm",
5463 (BICri rGPR:$Rd, rGPR:$Rn, so_imm_not:$imm,
5464 pred:$p, cc_out:$s)>;
5465 def : ARMInstAlias<"and${s}${p} $Rdn, $imm",
5466 (BICri rGPR:$Rdn, rGPR:$Rdn, so_imm_not:$imm,
5467 pred:$p, cc_out:$s)>;
5469 // Likewise, "add Rd, so_imm_neg" -> sub
5470 def : ARMInstAlias<"add${s}${p} $Rd, $Rn, $imm",
5471 (SUBri GPR:$Rd, GPR:$Rn, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5472 def : ARMInstAlias<"add${s}${p} $Rd, $imm",
5473 (SUBri GPR:$Rd, GPR:$Rd, so_imm_neg:$imm, pred:$p, cc_out:$s)>;
5474 // Same for CMP <--> CMN via so_imm_neg
5475 def : ARMInstAlias<"cmp${p} $Rd, $imm",
5476 (CMNri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5477 def : ARMInstAlias<"cmn${p} $Rd, $imm",
5478 (CMPri rGPR:$Rd, so_imm_neg:$imm, pred:$p)>;
5480 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5481 // LSR, ROR, and RRX instructions.
5482 // FIXME: We need C++ parser hooks to map the alias to the MOV
5483 // encoding. It seems we should be able to do that sort of thing
5484 // in tblgen, but it could get ugly.
5485 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5486 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5487 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5489 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5490 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5492 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5493 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5495 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5496 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5499 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5500 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5501 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5502 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5503 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5505 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5506 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5508 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5509 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5511 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5512 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5516 // "neg" is and alias for "rsb rd, rn, #0"
5517 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5518 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5520 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5521 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5522 Requires<[IsARM, NoV6]>;
5524 // UMULL/SMULL are available on all arches, but the instruction definitions
5525 // need difference constraints pre-v6. Use these aliases for the assembly
5526 // parsing on pre-v6.
5527 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5528 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5529 Requires<[IsARM, NoV6]>;
5530 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5531 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
5532 Requires<[IsARM, NoV6]>;
5534 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5536 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5537 ComplexDeprecationPredicate<"IT">;