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>,
21 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMStructByVal : SDTypeProfile<0, 4,
23 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
24 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
26 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
28 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
30 def SDT_ARMCMov : SDTypeProfile<1, 3,
31 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
34 def SDT_ARMBrcond : SDTypeProfile<0, 2,
35 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
37 def SDT_ARMBrJT : SDTypeProfile<0, 2,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
40 def SDT_ARMBr2JT : SDTypeProfile<0, 3,
41 [SDTCisPtrTy<0>, SDTCisVT<1, 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>]>;
55 def SDT_ARMFCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>,
58 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
59 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
61 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
62 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
64 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
65 def SDT_ARMEH_SJLJ_SetupDispatch: SDTypeProfile<0, 0, []>;
67 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
69 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
72 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
74 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
75 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
77 def SDT_WIN__DBZCHK : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
79 def SDT_ARMMEMCPY : SDTypeProfile<2, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
80 SDTCisVT<2, i32>, SDTCisVT<3, i32>,
83 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
86 SDTCisInt<0>, SDTCisVT<1, i32>]>;
88 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
89 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
96 def SDT_LongMac : SDTypeProfile<2, 4, [SDTCisVT<0, i32>,
101 SDTCisSameAs<0, 5>]>;
103 def ARMSmlald : SDNode<"ARMISD::SMLALD", SDT_LongMac>;
104 def ARMSmlaldx : SDNode<"ARMISD::SMLALDX", SDT_LongMac>;
105 def ARMSmlsld : SDNode<"ARMISD::SMLSLD", SDT_LongMac>;
106 def ARMSmlsldx : SDNode<"ARMISD::SMLSLDX", SDT_LongMac>;
108 def SDT_MulHSR : SDTypeProfile<1, 3, [SDTCisVT<0,i32>,
111 SDTCisSameAs<0, 3>]>;
113 def ARMsmmlar : SDNode<"ARMISD::SMMLAR", SDT_MulHSR>;
114 def ARMsmmlsr : SDNode<"ARMISD::SMMLSR", SDT_MulHSR>;
117 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
118 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
119 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntUnaryOp>;
121 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
122 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
123 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
124 [SDNPHasChain, SDNPSideEffect,
125 SDNPOptInGlue, SDNPOutGlue]>;
126 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
128 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
129 SDNPMayStore, SDNPMayLoad]>;
131 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
132 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
134 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
135 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
137 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
138 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
141 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
142 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
143 def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
144 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
145 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
147 def ARMsubs : SDNode<"ARMISD::SUBS", SDTIntBinOp, [SDNPOutGlue]>;
149 def ARMssatnoshift : SDNode<"ARMISD::SSAT", SDTIntSatNoShOp, []>;
151 def ARMusatnoshift : SDNode<"ARMISD::USAT", SDTIntSatNoShOp, []>;
153 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
154 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
156 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
158 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
161 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
164 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
167 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
170 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
171 [SDNPOutGlue, SDNPCommutative]>;
173 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
175 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
176 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
177 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
179 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
181 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
182 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
183 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
185 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
186 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
187 SDT_ARMEH_SJLJ_Setjmp,
188 [SDNPHasChain, SDNPSideEffect]>;
189 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
190 SDT_ARMEH_SJLJ_Longjmp,
191 [SDNPHasChain, SDNPSideEffect]>;
192 def ARMeh_sjlj_setup_dispatch: SDNode<"ARMISD::EH_SJLJ_SETUP_DISPATCH",
193 SDT_ARMEH_SJLJ_SetupDispatch,
194 [SDNPHasChain, SDNPSideEffect]>;
196 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
197 [SDNPHasChain, SDNPSideEffect]>;
198 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
199 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
201 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
202 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
204 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
206 def ARMmemcopy : SDNode<"ARMISD::MEMCPY", SDT_ARMMEMCPY,
207 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
208 SDNPMayStore, SDNPMayLoad]>;
210 def ARMsmulwb : SDNode<"ARMISD::SMULWB", SDTIntBinOp, []>;
211 def ARMsmulwt : SDNode<"ARMISD::SMULWT", SDTIntBinOp, []>;
212 def ARMsmlalbb : SDNode<"ARMISD::SMLALBB", SDT_LongMac, []>;
213 def ARMsmlalbt : SDNode<"ARMISD::SMLALBT", SDT_LongMac, []>;
214 def ARMsmlaltb : SDNode<"ARMISD::SMLALTB", SDT_LongMac, []>;
215 def ARMsmlaltt : SDNode<"ARMISD::SMLALTT", SDT_LongMac, []>;
217 //===----------------------------------------------------------------------===//
218 // ARM Instruction Predicate Definitions.
220 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
221 AssemblerPredicate<"HasV4TOps", "armv4t">;
222 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
223 def HasV5T : Predicate<"Subtarget->hasV5TOps()">,
224 AssemblerPredicate<"HasV5TOps", "armv5t">;
225 def NoV5T : Predicate<"!Subtarget->hasV5TOps()">;
226 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
227 AssemblerPredicate<"HasV5TEOps", "armv5te">;
228 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
229 AssemblerPredicate<"HasV6Ops", "armv6">;
230 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
231 def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
232 AssemblerPredicate<"HasV6MOps",
233 "armv6m or armv6t2">;
234 def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">,
235 AssemblerPredicate<"HasV8MBaselineOps",
237 def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">,
238 AssemblerPredicate<"HasV8MMainlineOps",
240 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
241 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
242 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
243 def HasV6K : Predicate<"Subtarget->hasV6KOps()">,
244 AssemblerPredicate<"HasV6KOps", "armv6k">;
245 def NoV6K : Predicate<"!Subtarget->hasV6KOps()">;
246 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
247 AssemblerPredicate<"HasV7Ops", "armv7">;
248 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
249 AssemblerPredicate<"HasV8Ops", "armv8">;
250 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
251 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
252 def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">,
253 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
254 def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">,
255 AssemblerPredicate<"HasV8_2aOps", "armv8.2a">;
256 def HasV8_3a : Predicate<"Subtarget->hasV8_3aOps()">,
257 AssemblerPredicate<"HasV8_3aOps", "armv8.3a">;
258 def HasV8_4a : Predicate<"Subtarget->hasV8_4aOps()">,
259 AssemblerPredicate<"HasV8_4aOps", "armv8.4a">;
260 def HasV8_5a : Predicate<"Subtarget->hasV8_5aOps()">,
261 AssemblerPredicate<"HasV8_5aOps", "armv8.5a">;
262 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
263 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
264 AssemblerPredicate<"FeatureVFP2", "VFP2">;
265 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
266 AssemblerPredicate<"FeatureVFP3", "VFP3">;
267 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
268 AssemblerPredicate<"FeatureVFP4", "VFP4">;
269 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
270 AssemblerPredicate<"!FeatureVFPOnlySP",
271 "double precision VFP">;
272 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
273 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
274 def HasNEON : Predicate<"Subtarget->hasNEON()">,
275 AssemblerPredicate<"FeatureNEON", "NEON">;
276 def HasSHA2 : Predicate<"Subtarget->hasSHA2()">,
277 AssemblerPredicate<"FeatureSHA2", "sha2">;
278 def HasAES : Predicate<"Subtarget->hasAES()">,
279 AssemblerPredicate<"FeatureAES", "aes">;
280 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
281 AssemblerPredicate<"FeatureCrypto", "crypto">;
282 def HasDotProd : Predicate<"Subtarget->hasDotProd()">,
283 AssemblerPredicate<"FeatureDotProd", "dotprod">;
284 def HasCRC : Predicate<"Subtarget->hasCRC()">,
285 AssemblerPredicate<"FeatureCRC", "crc">;
286 def HasRAS : Predicate<"Subtarget->hasRAS()">,
287 AssemblerPredicate<"FeatureRAS", "ras">;
288 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
289 AssemblerPredicate<"FeatureFP16","half-float conversions">;
290 def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">,
291 AssemblerPredicate<"FeatureFullFP16","full half-float">;
292 def HasFP16FML : Predicate<"Subtarget->hasFP16FML()">,
293 AssemblerPredicate<"FeatureFP16FML","full half-float fml">;
294 def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">,
295 AssemblerPredicate<"FeatureHWDivThumb", "divide in THUMB">;
296 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
297 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
298 def HasDSP : Predicate<"Subtarget->hasDSP()">,
299 AssemblerPredicate<"FeatureDSP", "dsp">;
300 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
301 AssemblerPredicate<"FeatureDB",
303 def HasDFB : Predicate<"Subtarget->hasFullDataBarrier()">,
304 AssemblerPredicate<"FeatureDFB",
305 "full-data-barrier">;
306 def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">,
307 AssemblerPredicate<"FeatureV7Clrex",
309 def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">,
310 AssemblerPredicate<"FeatureAcquireRelease",
312 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
313 AssemblerPredicate<"FeatureMP",
315 def HasVirtualization: Predicate<"false">,
316 AssemblerPredicate<"FeatureVirtualization",
317 "virtualization-extensions">;
318 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
319 AssemblerPredicate<"FeatureTrustZone",
321 def Has8MSecExt : Predicate<"Subtarget->has8MSecExt()">,
322 AssemblerPredicate<"Feature8MSecExt",
323 "ARMv8-M Security Extensions">;
324 def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">;
325 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
326 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
327 def IsThumb : Predicate<"Subtarget->isThumb()">,
328 AssemblerPredicate<"ModeThumb", "thumb">;
329 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
330 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
331 AssemblerPredicate<"ModeThumb,FeatureThumb2",
333 def IsMClass : Predicate<"Subtarget->isMClass()">,
334 AssemblerPredicate<"FeatureMClass", "armv*m">;
335 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
336 AssemblerPredicate<"!FeatureMClass",
338 def IsARM : Predicate<"!Subtarget->isThumb()">,
339 AssemblerPredicate<"!ModeThumb", "arm-mode">;
340 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
341 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
342 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
343 def IsWindows : Predicate<"Subtarget->isTargetWindows()">;
344 def IsNotWindows : Predicate<"!Subtarget->isTargetWindows()">;
345 def IsReadTPHard : Predicate<"Subtarget->isReadTPHard()">;
346 def IsReadTPSoft : Predicate<"!Subtarget->isReadTPHard()">;
347 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
348 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
349 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
351 def UseNegativeImmediates :
353 AssemblerPredicate<"!FeatureNoNegativeImmediates",
354 "NegativeImmediates">;
356 // FIXME: Eventually this will be just "hasV6T2Ops".
357 let RecomputePerFunction = 1 in {
358 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
359 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
360 def UseMovtInPic : Predicate<"Subtarget->useMovt(*MF) && Subtarget->allowPositionIndependentMovt()">;
361 def DontUseMovtInPic : Predicate<"!Subtarget->useMovt(*MF) || !Subtarget->allowPositionIndependentMovt()">;
363 def UseFPVMLx: Predicate<"((Subtarget->useFPVMLx() &&"
364 " TM.Options.AllowFPOpFusion != FPOpFusion::Fast) ||"
365 "MF->getFunction().optForMinSize())">;
367 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
369 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
370 // But only select them if more precision in FP computation is allowed, and when
371 // they are not slower than a mul + add sequence.
372 // Do not use them for Darwin platforms.
373 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
374 " FPOpFusion::Fast && "
375 " Subtarget->hasVFP4()) && "
376 "!Subtarget->isTargetDarwin() &&"
377 "Subtarget->useFPVMLx()">;
379 def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
380 def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
382 def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
383 def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
385 def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
386 "!Subtarget->useNEONForSinglePrecisionFP()">;
387 def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
388 "Subtarget->useNEONForSinglePrecisionFP()">;
390 let RecomputePerFunction = 1 in {
391 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">;
392 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">;
395 def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">;
397 // Armv8.5-A extensions
398 def HasSB : Predicate<"Subtarget->hasSB()">,
399 AssemblerPredicate<"FeatureSB", "sb">;
401 //===----------------------------------------------------------------------===//
402 // ARM Flag Definitions.
404 class RegConstraint<string C> {
405 string Constraints = C;
408 //===----------------------------------------------------------------------===//
409 // ARM specific transformation functions and pattern fragments.
412 // imm_neg_XFORM - Return the negation of an i32 immediate value.
413 def imm_neg_XFORM : SDNodeXForm<imm, [{
414 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), SDLoc(N), MVT::i32);
417 // imm_not_XFORM - Return the complement of a i32 immediate value.
418 def imm_not_XFORM : SDNodeXForm<imm, [{
419 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), SDLoc(N), MVT::i32);
422 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
423 def imm16_31 : ImmLeaf<i32, [{
424 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
427 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
428 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
429 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
432 def sext_bottom_16 : PatFrag<(ops node:$a),
433 (sext_inreg node:$a, i16)>;
434 def sext_top_16 : PatFrag<(ops node:$a),
435 (i32 (sra node:$a, (i32 16)))>;
437 def bb_mul : PatFrag<(ops node:$a, node:$b),
438 (mul (sext_bottom_16 node:$a), (sext_bottom_16 node:$b))>;
439 def bt_mul : PatFrag<(ops node:$a, node:$b),
440 (mul (sext_bottom_16 node:$a), (sra node:$b, (i32 16)))>;
441 def tb_mul : PatFrag<(ops node:$a, node:$b),
442 (mul (sra node:$a, (i32 16)), (sext_bottom_16 node:$b))>;
443 def tt_mul : PatFrag<(ops node:$a, node:$b),
444 (mul (sra node:$a, (i32 16)), (sra node:$b, (i32 16)))>;
446 /// Split a 32-bit immediate into two 16 bit parts.
447 def hi16 : SDNodeXForm<imm, [{
448 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, SDLoc(N),
452 def lo16AllZero : PatLeaf<(i32 imm), [{
453 // Returns true if all low 16-bits are 0.
454 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
457 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
458 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
460 // An 'and' node with a single use.
461 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
462 return N->hasOneUse();
465 // An 'xor' node with a single use.
466 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
467 return N->hasOneUse();
470 // An 'fmul' node with a single use.
471 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
472 return N->hasOneUse();
475 // An 'fadd' node which checks for single non-hazardous use.
476 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
477 return hasNoVMLxHazardUse(N);
480 // An 'fsub' node which checks for single non-hazardous use.
481 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
482 return hasNoVMLxHazardUse(N);
485 //===----------------------------------------------------------------------===//
486 // Operand Definitions.
489 // Immediate operands with a shared generic asm render method.
490 class ImmAsmOperand<int Low, int High> : AsmOperandClass {
491 let RenderMethod = "addImmOperands";
492 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
493 let DiagnosticString = "operand must be an immediate in the range [" # Low # "," # High # "]";
496 class ImmAsmOperandMinusOne<int Low, int High> : AsmOperandClass {
497 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
498 let DiagnosticType = "ImmRange" # Low # "_" # High;
499 let DiagnosticString = "operand must be an immediate in the range [" # Low # "," # High # "]";
502 // Operands that are part of a memory addressing mode.
503 class MemOperand : Operand<i32> { let OperandType = "OPERAND_MEMORY"; }
506 // FIXME: rename brtarget to t2_brtarget
507 def brtarget : Operand<OtherVT> {
508 let EncoderMethod = "getBranchTargetOpValue";
509 let OperandType = "OPERAND_PCREL";
510 let DecoderMethod = "DecodeT2BROperand";
513 // Branches targeting ARM-mode must be divisible by 4 if they're a raw
515 def ARMBranchTarget : AsmOperandClass {
516 let Name = "ARMBranchTarget";
519 // Branches targeting Thumb-mode must be divisible by 2 if they're a raw
521 def ThumbBranchTarget : AsmOperandClass {
522 let Name = "ThumbBranchTarget";
525 def arm_br_target : Operand<OtherVT> {
526 let ParserMatchClass = ARMBranchTarget;
527 let EncoderMethod = "getARMBranchTargetOpValue";
528 let OperandType = "OPERAND_PCREL";
531 // Call target for ARM. Handles conditional/unconditional
532 // FIXME: rename bl_target to t2_bltarget?
533 def arm_bl_target : Operand<i32> {
534 let ParserMatchClass = ARMBranchTarget;
535 let EncoderMethod = "getARMBLTargetOpValue";
536 let OperandType = "OPERAND_PCREL";
539 // Target for BLX *from* ARM mode.
540 def arm_blx_target : Operand<i32> {
541 let ParserMatchClass = ThumbBranchTarget;
542 let EncoderMethod = "getARMBLXTargetOpValue";
543 let OperandType = "OPERAND_PCREL";
546 // A list of registers separated by comma. Used by load/store multiple.
547 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
548 def reglist : Operand<i32> {
549 let EncoderMethod = "getRegisterListOpValue";
550 let ParserMatchClass = RegListAsmOperand;
551 let PrintMethod = "printRegisterList";
552 let DecoderMethod = "DecodeRegListOperand";
555 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
557 def DPRRegListAsmOperand : AsmOperandClass {
558 let Name = "DPRRegList";
559 let DiagnosticType = "DPR_RegList";
561 def dpr_reglist : Operand<i32> {
562 let EncoderMethod = "getRegisterListOpValue";
563 let ParserMatchClass = DPRRegListAsmOperand;
564 let PrintMethod = "printRegisterList";
565 let DecoderMethod = "DecodeDPRRegListOperand";
568 def SPRRegListAsmOperand : AsmOperandClass {
569 let Name = "SPRRegList";
570 let DiagnosticString = "operand must be a list of registers in range [s0, s31]";
572 def spr_reglist : Operand<i32> {
573 let EncoderMethod = "getRegisterListOpValue";
574 let ParserMatchClass = SPRRegListAsmOperand;
575 let PrintMethod = "printRegisterList";
576 let DecoderMethod = "DecodeSPRRegListOperand";
579 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
580 def cpinst_operand : Operand<i32> {
581 let PrintMethod = "printCPInstOperand";
585 def pclabel : Operand<i32> {
586 let PrintMethod = "printPCLabel";
589 // ADR instruction labels.
590 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
591 def adrlabel : Operand<i32> {
592 let EncoderMethod = "getAdrLabelOpValue";
593 let ParserMatchClass = AdrLabelAsmOperand;
594 let PrintMethod = "printAdrLabelOperand<0>";
597 def neon_vcvt_imm32 : Operand<i32> {
598 let EncoderMethod = "getNEONVcvtImm32OpValue";
599 let DecoderMethod = "DecodeVCVTImmOperand";
602 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
603 def rot_imm_XFORM: SDNodeXForm<imm, [{
604 switch (N->getZExtValue()){
605 default: llvm_unreachable(nullptr);
606 case 0: return CurDAG->getTargetConstant(0, SDLoc(N), MVT::i32);
607 case 8: return CurDAG->getTargetConstant(1, SDLoc(N), MVT::i32);
608 case 16: return CurDAG->getTargetConstant(2, SDLoc(N), MVT::i32);
609 case 24: return CurDAG->getTargetConstant(3, SDLoc(N), MVT::i32);
612 def RotImmAsmOperand : AsmOperandClass {
614 let ParserMethod = "parseRotImm";
616 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
617 int32_t v = N->getZExtValue();
618 return v == 8 || v == 16 || v == 24; }],
620 let PrintMethod = "printRotImmOperand";
621 let ParserMatchClass = RotImmAsmOperand;
624 // shift_imm: An integer that encodes a shift amount and the type of shift
625 // (asr or lsl). The 6-bit immediate encodes as:
628 // {4-0} imm5 shift amount.
629 // asr #32 encoded as imm5 == 0.
630 def ShifterImmAsmOperand : AsmOperandClass {
631 let Name = "ShifterImm";
632 let ParserMethod = "parseShifterImm";
634 def shift_imm : Operand<i32> {
635 let PrintMethod = "printShiftImmOperand";
636 let ParserMatchClass = ShifterImmAsmOperand;
639 // shifter_operand operands: so_reg_reg, so_reg_imm, and mod_imm.
640 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
641 def so_reg_reg : Operand<i32>, // reg reg imm
642 ComplexPattern<i32, 3, "SelectRegShifterOperand",
643 [shl, srl, sra, rotr]> {
644 let EncoderMethod = "getSORegRegOpValue";
645 let PrintMethod = "printSORegRegOperand";
646 let DecoderMethod = "DecodeSORegRegOperand";
647 let ParserMatchClass = ShiftedRegAsmOperand;
648 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
651 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
652 def so_reg_imm : Operand<i32>, // reg imm
653 ComplexPattern<i32, 2, "SelectImmShifterOperand",
654 [shl, srl, sra, rotr]> {
655 let EncoderMethod = "getSORegImmOpValue";
656 let PrintMethod = "printSORegImmOperand";
657 let DecoderMethod = "DecodeSORegImmOperand";
658 let ParserMatchClass = ShiftedImmAsmOperand;
659 let MIOperandInfo = (ops GPR, i32imm);
662 // FIXME: Does this need to be distinct from so_reg?
663 def shift_so_reg_reg : Operand<i32>, // reg reg imm
664 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
665 [shl,srl,sra,rotr]> {
666 let EncoderMethod = "getSORegRegOpValue";
667 let PrintMethod = "printSORegRegOperand";
668 let DecoderMethod = "DecodeSORegRegOperand";
669 let ParserMatchClass = ShiftedRegAsmOperand;
670 let MIOperandInfo = (ops GPR, GPR, i32imm);
673 // FIXME: Does this need to be distinct from so_reg?
674 def shift_so_reg_imm : Operand<i32>, // reg reg imm
675 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
676 [shl,srl,sra,rotr]> {
677 let EncoderMethod = "getSORegImmOpValue";
678 let PrintMethod = "printSORegImmOperand";
679 let DecoderMethod = "DecodeSORegImmOperand";
680 let ParserMatchClass = ShiftedImmAsmOperand;
681 let MIOperandInfo = (ops GPR, i32imm);
684 // mod_imm: match a 32-bit immediate operand, which can be encoded into
685 // a 12-bit immediate; an 8-bit integer and a 4-bit rotator (See ARMARM
686 // - "Modified Immediate Constants"). Within the MC layer we keep this
687 // immediate in its encoded form.
688 def ModImmAsmOperand: AsmOperandClass {
690 let ParserMethod = "parseModImm";
692 def mod_imm : Operand<i32>, ImmLeaf<i32, [{
693 return ARM_AM::getSOImmVal(Imm) != -1;
695 let EncoderMethod = "getModImmOpValue";
696 let PrintMethod = "printModImmOperand";
697 let ParserMatchClass = ModImmAsmOperand;
700 // Note: the patterns mod_imm_not and mod_imm_neg do not require an encoder
701 // method and such, as they are only used on aliases (Pat<> and InstAlias<>).
702 // The actual parsing, encoding, decoding are handled by the destination
703 // instructions, which use mod_imm.
705 def ModImmNotAsmOperand : AsmOperandClass { let Name = "ModImmNot"; }
706 def mod_imm_not : Operand<i32>, PatLeaf<(imm), [{
707 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
709 let ParserMatchClass = ModImmNotAsmOperand;
712 def ModImmNegAsmOperand : AsmOperandClass { let Name = "ModImmNeg"; }
713 def mod_imm_neg : Operand<i32>, PatLeaf<(imm), [{
714 unsigned Value = -(unsigned)N->getZExtValue();
715 return Value && ARM_AM::getSOImmVal(Value) != -1;
717 let ParserMatchClass = ModImmNegAsmOperand;
720 /// arm_i32imm - True for +V6T2, or when isSOImmTwoParVal()
721 def arm_i32imm : PatLeaf<(imm), [{
722 if (Subtarget->useMovt(*MF))
724 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
726 // Ideally this would be an IntImmLeaf, but then we wouldn't have access to
727 // the MachineFunction.
728 let GISelPredicateCode = [{
729 const auto &MF = *MI.getParent()->getParent();
733 const auto &MO = MI.getOperand(1);
736 return ARM_AM::isSOImmTwoPartVal(MO.getCImm()->getZExtValue());
740 /// imm0_1 predicate - Immediate in the range [0,1].
741 def Imm0_1AsmOperand: ImmAsmOperand<0,1> { let Name = "Imm0_1"; }
742 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
744 /// imm0_3 predicate - Immediate in the range [0,3].
745 def Imm0_3AsmOperand: ImmAsmOperand<0,3> { let Name = "Imm0_3"; }
746 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
748 /// imm0_7 predicate - Immediate in the range [0,7].
749 def Imm0_7AsmOperand: ImmAsmOperand<0,7> {
752 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
753 return Imm >= 0 && Imm < 8;
755 let ParserMatchClass = Imm0_7AsmOperand;
758 /// imm8_255 predicate - Immediate in the range [8,255].
759 def Imm8_255AsmOperand: ImmAsmOperand<8,255> { let Name = "Imm8_255"; }
760 def imm8_255 : Operand<i32>, ImmLeaf<i32, [{
761 return Imm >= 8 && Imm < 256;
763 let ParserMatchClass = Imm8_255AsmOperand;
766 /// imm8 predicate - Immediate is exactly 8.
767 def Imm8AsmOperand: ImmAsmOperand<8,8> { let Name = "Imm8"; }
768 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
769 let ParserMatchClass = Imm8AsmOperand;
772 /// imm16 predicate - Immediate is exactly 16.
773 def Imm16AsmOperand: ImmAsmOperand<16,16> { let Name = "Imm16"; }
774 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
775 let ParserMatchClass = Imm16AsmOperand;
778 /// imm32 predicate - Immediate is exactly 32.
779 def Imm32AsmOperand: ImmAsmOperand<32,32> { let Name = "Imm32"; }
780 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
781 let ParserMatchClass = Imm32AsmOperand;
784 def imm8_or_16 : ImmLeaf<i32, [{ return Imm == 8 || Imm == 16;}]>;
786 /// imm1_7 predicate - Immediate in the range [1,7].
787 def Imm1_7AsmOperand: ImmAsmOperand<1,7> { let Name = "Imm1_7"; }
788 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
789 let ParserMatchClass = Imm1_7AsmOperand;
792 /// imm1_15 predicate - Immediate in the range [1,15].
793 def Imm1_15AsmOperand: ImmAsmOperand<1,15> { let Name = "Imm1_15"; }
794 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
795 let ParserMatchClass = Imm1_15AsmOperand;
798 /// imm1_31 predicate - Immediate in the range [1,31].
799 def Imm1_31AsmOperand: ImmAsmOperand<1,31> { let Name = "Imm1_31"; }
800 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
801 let ParserMatchClass = Imm1_31AsmOperand;
804 /// imm0_15 predicate - Immediate in the range [0,15].
805 def Imm0_15AsmOperand: ImmAsmOperand<0,15> {
806 let Name = "Imm0_15";
808 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
809 return Imm >= 0 && Imm < 16;
811 let ParserMatchClass = Imm0_15AsmOperand;
814 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
815 def Imm0_31AsmOperand: ImmAsmOperand<0,31> { let Name = "Imm0_31"; }
816 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
817 return Imm >= 0 && Imm < 32;
819 let ParserMatchClass = Imm0_31AsmOperand;
822 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
823 def Imm0_32AsmOperand: ImmAsmOperand<0,32> { let Name = "Imm0_32"; }
824 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
825 return Imm >= 0 && Imm < 33;
827 let ParserMatchClass = Imm0_32AsmOperand;
830 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
831 def Imm0_63AsmOperand: ImmAsmOperand<0,63> { let Name = "Imm0_63"; }
832 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
833 return Imm >= 0 && Imm < 64;
835 let ParserMatchClass = Imm0_63AsmOperand;
838 /// imm0_239 predicate - Immediate in the range [0,239].
839 def Imm0_239AsmOperand : ImmAsmOperand<0,239> {
840 let Name = "Imm0_239";
842 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
843 let ParserMatchClass = Imm0_239AsmOperand;
846 /// imm0_255 predicate - Immediate in the range [0,255].
847 def Imm0_255AsmOperand : ImmAsmOperand<0,255> { let Name = "Imm0_255"; }
848 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
849 let ParserMatchClass = Imm0_255AsmOperand;
852 /// imm0_65535 - An immediate is in the range [0,65535].
853 def Imm0_65535AsmOperand: ImmAsmOperand<0,65535> { let Name = "Imm0_65535"; }
854 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
855 return Imm >= 0 && Imm < 65536;
857 let ParserMatchClass = Imm0_65535AsmOperand;
860 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
861 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
862 return -Imm >= 0 && -Imm < 65536;
865 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
866 // a relocatable expression.
868 // FIXME: This really needs a Thumb version separate from the ARM version.
869 // While the range is the same, and can thus use the same match class,
870 // the encoding is different so it should have a different encoder method.
871 def Imm0_65535ExprAsmOperand: AsmOperandClass {
872 let Name = "Imm0_65535Expr";
873 let RenderMethod = "addImmOperands";
874 let DiagnosticString = "operand must be an immediate in the range [0,0xffff] or a relocatable expression";
877 def imm0_65535_expr : Operand<i32> {
878 let EncoderMethod = "getHiLo16ImmOpValue";
879 let ParserMatchClass = Imm0_65535ExprAsmOperand;
882 def Imm256_65535ExprAsmOperand: ImmAsmOperand<256,65535> { let Name = "Imm256_65535Expr"; }
883 def imm256_65535_expr : Operand<i32> {
884 let ParserMatchClass = Imm256_65535ExprAsmOperand;
887 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
888 def Imm24bitAsmOperand: ImmAsmOperand<0,0xffffff> {
889 let Name = "Imm24bit";
890 let DiagnosticString = "operand must be an immediate in the range [0,0xffffff]";
892 def imm24b : Operand<i32>, ImmLeaf<i32, [{
893 return Imm >= 0 && Imm <= 0xffffff;
895 let ParserMatchClass = Imm24bitAsmOperand;
899 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
901 def BitfieldAsmOperand : AsmOperandClass {
902 let Name = "Bitfield";
903 let ParserMethod = "parseBitfield";
906 def bf_inv_mask_imm : Operand<i32>,
908 return ARM::isBitFieldInvertedMask(N->getZExtValue());
910 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
911 let PrintMethod = "printBitfieldInvMaskImmOperand";
912 let DecoderMethod = "DecodeBitfieldMaskOperand";
913 let ParserMatchClass = BitfieldAsmOperand;
914 let GISelPredicateCode = [{
915 // There's better methods of implementing this check. IntImmLeaf<> would be
916 // equivalent and have less boilerplate but we need a test for C++
917 // predicates and this one causes new rules to be imported into GlobalISel
918 // without requiring additional features first.
919 const auto &MO = MI.getOperand(1);
922 return ARM::isBitFieldInvertedMask(MO.getCImm()->getZExtValue());
926 def imm1_32_XFORM: SDNodeXForm<imm, [{
927 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
930 def Imm1_32AsmOperand: ImmAsmOperandMinusOne<1,32> {
931 let Name = "Imm1_32";
933 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
934 uint64_t Imm = N->getZExtValue();
935 return Imm > 0 && Imm <= 32;
938 let PrintMethod = "printImmPlusOneOperand";
939 let ParserMatchClass = Imm1_32AsmOperand;
942 def imm1_16_XFORM: SDNodeXForm<imm, [{
943 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
946 def Imm1_16AsmOperand: ImmAsmOperandMinusOne<1,16> { let Name = "Imm1_16"; }
947 def imm1_16 : Operand<i32>, ImmLeaf<i32, [{
948 return Imm > 0 && Imm <= 16;
951 let PrintMethod = "printImmPlusOneOperand";
952 let ParserMatchClass = Imm1_16AsmOperand;
955 // Define ARM specific addressing modes.
956 // addrmode_imm12 := reg +/- imm12
958 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
959 class AddrMode_Imm12 : MemOperand,
960 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
961 // 12-bit immediate operand. Note that instructions using this encode
962 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
963 // immediate values are as normal.
965 let EncoderMethod = "getAddrModeImm12OpValue";
966 let DecoderMethod = "DecodeAddrModeImm12Operand";
967 let ParserMatchClass = MemImm12OffsetAsmOperand;
968 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
971 def addrmode_imm12 : AddrMode_Imm12 {
972 let PrintMethod = "printAddrModeImm12Operand<false>";
975 def addrmode_imm12_pre : AddrMode_Imm12 {
976 let PrintMethod = "printAddrModeImm12Operand<true>";
979 // ldst_so_reg := reg +/- reg shop imm
981 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
982 def ldst_so_reg : MemOperand,
983 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
984 let EncoderMethod = "getLdStSORegOpValue";
985 // FIXME: Simplify the printer
986 let PrintMethod = "printAddrMode2Operand";
987 let DecoderMethod = "DecodeSORegMemOperand";
988 let ParserMatchClass = MemRegOffsetAsmOperand;
989 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
992 // postidx_imm8 := +/- [0,255]
995 // {8} 1 is imm8 is non-negative. 0 otherwise.
996 // {7-0} [0,255] imm8 value.
997 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
998 def postidx_imm8 : MemOperand {
999 let PrintMethod = "printPostIdxImm8Operand";
1000 let ParserMatchClass = PostIdxImm8AsmOperand;
1001 let MIOperandInfo = (ops i32imm);
1004 // postidx_imm8s4 := +/- [0,1020]
1007 // {8} 1 is imm8 is non-negative. 0 otherwise.
1008 // {7-0} [0,255] imm8 value, scaled by 4.
1009 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
1010 def postidx_imm8s4 : MemOperand {
1011 let PrintMethod = "printPostIdxImm8s4Operand";
1012 let ParserMatchClass = PostIdxImm8s4AsmOperand;
1013 let MIOperandInfo = (ops i32imm);
1017 // postidx_reg := +/- reg
1019 def PostIdxRegAsmOperand : AsmOperandClass {
1020 let Name = "PostIdxReg";
1021 let ParserMethod = "parsePostIdxReg";
1023 def postidx_reg : MemOperand {
1024 let EncoderMethod = "getPostIdxRegOpValue";
1025 let DecoderMethod = "DecodePostIdxReg";
1026 let PrintMethod = "printPostIdxRegOperand";
1027 let ParserMatchClass = PostIdxRegAsmOperand;
1028 let MIOperandInfo = (ops GPRnopc, i32imm);
1031 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
1032 let Name = "PostIdxRegShifted";
1033 let ParserMethod = "parsePostIdxReg";
1035 def am2offset_reg : MemOperand,
1036 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
1037 [], [SDNPWantRoot]> {
1038 let EncoderMethod = "getAddrMode2OffsetOpValue";
1039 let PrintMethod = "printAddrMode2OffsetOperand";
1040 // When using this for assembly, it's always as a post-index offset.
1041 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
1042 let MIOperandInfo = (ops GPRnopc, i32imm);
1045 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
1046 // the GPR is purely vestigal at this point.
1047 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
1048 def am2offset_imm : MemOperand,
1049 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
1050 [], [SDNPWantRoot]> {
1051 let EncoderMethod = "getAddrMode2OffsetOpValue";
1052 let PrintMethod = "printAddrMode2OffsetOperand";
1053 let ParserMatchClass = AM2OffsetImmAsmOperand;
1054 let MIOperandInfo = (ops GPRnopc, i32imm);
1058 // addrmode3 := reg +/- reg
1059 // addrmode3 := reg +/- imm8
1061 // FIXME: split into imm vs. reg versions.
1062 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
1063 class AddrMode3 : MemOperand,
1064 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
1065 let EncoderMethod = "getAddrMode3OpValue";
1066 let ParserMatchClass = AddrMode3AsmOperand;
1067 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
1070 def addrmode3 : AddrMode3
1072 let PrintMethod = "printAddrMode3Operand<false>";
1075 def addrmode3_pre : AddrMode3
1077 let PrintMethod = "printAddrMode3Operand<true>";
1080 // FIXME: split into imm vs. reg versions.
1081 // FIXME: parser method to handle +/- register.
1082 def AM3OffsetAsmOperand : AsmOperandClass {
1083 let Name = "AM3Offset";
1084 let ParserMethod = "parseAM3Offset";
1086 def am3offset : MemOperand,
1087 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
1088 [], [SDNPWantRoot]> {
1089 let EncoderMethod = "getAddrMode3OffsetOpValue";
1090 let PrintMethod = "printAddrMode3OffsetOperand";
1091 let ParserMatchClass = AM3OffsetAsmOperand;
1092 let MIOperandInfo = (ops GPR, i32imm);
1095 // ldstm_mode := {ia, ib, da, db}
1097 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
1098 let EncoderMethod = "getLdStmModeOpValue";
1099 let PrintMethod = "printLdStmModeOperand";
1102 // addrmode5 := reg +/- imm8*4
1104 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
1105 class AddrMode5 : MemOperand,
1106 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
1107 let EncoderMethod = "getAddrMode5OpValue";
1108 let DecoderMethod = "DecodeAddrMode5Operand";
1109 let ParserMatchClass = AddrMode5AsmOperand;
1110 let MIOperandInfo = (ops GPR:$base, i32imm);
1113 def addrmode5 : AddrMode5 {
1114 let PrintMethod = "printAddrMode5Operand<false>";
1117 def addrmode5_pre : AddrMode5 {
1118 let PrintMethod = "printAddrMode5Operand<true>";
1121 // addrmode5fp16 := reg +/- imm8*2
1123 def AddrMode5FP16AsmOperand : AsmOperandClass { let Name = "AddrMode5FP16"; }
1124 class AddrMode5FP16 : Operand<i32>,
1125 ComplexPattern<i32, 2, "SelectAddrMode5FP16", []> {
1126 let EncoderMethod = "getAddrMode5FP16OpValue";
1127 let DecoderMethod = "DecodeAddrMode5FP16Operand";
1128 let ParserMatchClass = AddrMode5FP16AsmOperand;
1129 let MIOperandInfo = (ops GPR:$base, i32imm);
1132 def addrmode5fp16 : AddrMode5FP16 {
1133 let PrintMethod = "printAddrMode5FP16Operand<false>";
1136 // addrmode6 := reg with optional alignment
1138 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
1139 def addrmode6 : MemOperand,
1140 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1141 let PrintMethod = "printAddrMode6Operand";
1142 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1143 let EncoderMethod = "getAddrMode6AddressOpValue";
1144 let DecoderMethod = "DecodeAddrMode6Operand";
1145 let ParserMatchClass = AddrMode6AsmOperand;
1148 def am6offset : MemOperand,
1149 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
1150 [], [SDNPWantRoot]> {
1151 let PrintMethod = "printAddrMode6OffsetOperand";
1152 let MIOperandInfo = (ops GPR);
1153 let EncoderMethod = "getAddrMode6OffsetOpValue";
1154 let DecoderMethod = "DecodeGPRRegisterClass";
1157 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
1158 // (single element from one lane) for size 32.
1159 def addrmode6oneL32 : MemOperand,
1160 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1161 let PrintMethod = "printAddrMode6Operand";
1162 let MIOperandInfo = (ops GPR:$addr, i32imm);
1163 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
1166 // Base class for addrmode6 with specific alignment restrictions.
1167 class AddrMode6Align : MemOperand,
1168 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1169 let PrintMethod = "printAddrMode6Operand";
1170 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1171 let EncoderMethod = "getAddrMode6AddressOpValue";
1172 let DecoderMethod = "DecodeAddrMode6Operand";
1175 // Special version of addrmode6 to handle no allowed alignment encoding for
1176 // VLD/VST instructions and checking the alignment is not specified.
1177 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1178 let Name = "AlignedMemoryNone";
1179 let DiagnosticString = "alignment must be omitted";
1181 def addrmode6alignNone : AddrMode6Align {
1182 // The alignment specifier can only be omitted.
1183 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1186 // Special version of addrmode6 to handle 16-bit alignment encoding for
1187 // VLD/VST instructions and checking the alignment value.
1188 def AddrMode6Align16AsmOperand : AsmOperandClass {
1189 let Name = "AlignedMemory16";
1190 let DiagnosticString = "alignment must be 16 or omitted";
1192 def addrmode6align16 : AddrMode6Align {
1193 // The alignment specifier can only be 16 or omitted.
1194 let ParserMatchClass = AddrMode6Align16AsmOperand;
1197 // Special version of addrmode6 to handle 32-bit alignment encoding for
1198 // VLD/VST instructions and checking the alignment value.
1199 def AddrMode6Align32AsmOperand : AsmOperandClass {
1200 let Name = "AlignedMemory32";
1201 let DiagnosticString = "alignment must be 32 or omitted";
1203 def addrmode6align32 : AddrMode6Align {
1204 // The alignment specifier can only be 32 or omitted.
1205 let ParserMatchClass = AddrMode6Align32AsmOperand;
1208 // Special version of addrmode6 to handle 64-bit alignment encoding for
1209 // VLD/VST instructions and checking the alignment value.
1210 def AddrMode6Align64AsmOperand : AsmOperandClass {
1211 let Name = "AlignedMemory64";
1212 let DiagnosticString = "alignment must be 64 or omitted";
1214 def addrmode6align64 : AddrMode6Align {
1215 // The alignment specifier can only be 64 or omitted.
1216 let ParserMatchClass = AddrMode6Align64AsmOperand;
1219 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1220 // for VLD/VST instructions and checking the alignment value.
1221 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1222 let Name = "AlignedMemory64or128";
1223 let DiagnosticString = "alignment must be 64, 128 or omitted";
1225 def addrmode6align64or128 : AddrMode6Align {
1226 // The alignment specifier can only be 64, 128 or omitted.
1227 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1230 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1231 // encoding for VLD/VST instructions and checking the alignment value.
1232 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1233 let Name = "AlignedMemory64or128or256";
1234 let DiagnosticString = "alignment must be 64, 128, 256 or omitted";
1236 def addrmode6align64or128or256 : AddrMode6Align {
1237 // The alignment specifier can only be 64, 128, 256 or omitted.
1238 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1241 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1242 // instructions, specifically VLD4-dup.
1243 def addrmode6dup : MemOperand,
1244 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1245 let PrintMethod = "printAddrMode6Operand";
1246 let MIOperandInfo = (ops GPR:$addr, i32imm);
1247 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1248 // FIXME: This is close, but not quite right. The alignment specifier is
1250 let ParserMatchClass = AddrMode6AsmOperand;
1253 // Base class for addrmode6dup with specific alignment restrictions.
1254 class AddrMode6DupAlign : MemOperand,
1255 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1256 let PrintMethod = "printAddrMode6Operand";
1257 let MIOperandInfo = (ops GPR:$addr, i32imm);
1258 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1261 // Special version of addrmode6 to handle no allowed alignment encoding for
1262 // VLD-dup instruction and checking the alignment is not specified.
1263 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1264 let Name = "DupAlignedMemoryNone";
1265 let DiagnosticString = "alignment must be omitted";
1267 def addrmode6dupalignNone : AddrMode6DupAlign {
1268 // The alignment specifier can only be omitted.
1269 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1272 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1273 // instruction and checking the alignment value.
1274 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1275 let Name = "DupAlignedMemory16";
1276 let DiagnosticString = "alignment must be 16 or omitted";
1278 def addrmode6dupalign16 : AddrMode6DupAlign {
1279 // The alignment specifier can only be 16 or omitted.
1280 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1283 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1284 // instruction and checking the alignment value.
1285 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1286 let Name = "DupAlignedMemory32";
1287 let DiagnosticString = "alignment must be 32 or omitted";
1289 def addrmode6dupalign32 : AddrMode6DupAlign {
1290 // The alignment specifier can only be 32 or omitted.
1291 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1294 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1295 // instructions and checking the alignment value.
1296 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1297 let Name = "DupAlignedMemory64";
1298 let DiagnosticString = "alignment must be 64 or omitted";
1300 def addrmode6dupalign64 : AddrMode6DupAlign {
1301 // The alignment specifier can only be 64 or omitted.
1302 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1305 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1306 // for VLD instructions and checking the alignment value.
1307 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1308 let Name = "DupAlignedMemory64or128";
1309 let DiagnosticString = "alignment must be 64, 128 or omitted";
1311 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1312 // The alignment specifier can only be 64, 128 or omitted.
1313 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1316 // addrmodepc := pc + reg
1318 def addrmodepc : MemOperand,
1319 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1320 let PrintMethod = "printAddrModePCOperand";
1321 let MIOperandInfo = (ops GPR, i32imm);
1324 // addr_offset_none := reg
1326 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1327 def addr_offset_none : MemOperand,
1328 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1329 let PrintMethod = "printAddrMode7Operand";
1330 let DecoderMethod = "DecodeAddrMode7Operand";
1331 let ParserMatchClass = MemNoOffsetAsmOperand;
1332 let MIOperandInfo = (ops GPR:$base);
1335 def nohash_imm : Operand<i32> {
1336 let PrintMethod = "printNoHashImmediate";
1339 def CoprocNumAsmOperand : AsmOperandClass {
1340 let Name = "CoprocNum";
1341 let ParserMethod = "parseCoprocNumOperand";
1343 def p_imm : Operand<i32> {
1344 let PrintMethod = "printPImmediate";
1345 let ParserMatchClass = CoprocNumAsmOperand;
1346 let DecoderMethod = "DecodeCoprocessor";
1349 def CoprocRegAsmOperand : AsmOperandClass {
1350 let Name = "CoprocReg";
1351 let ParserMethod = "parseCoprocRegOperand";
1353 def c_imm : Operand<i32> {
1354 let PrintMethod = "printCImmediate";
1355 let ParserMatchClass = CoprocRegAsmOperand;
1357 def CoprocOptionAsmOperand : AsmOperandClass {
1358 let Name = "CoprocOption";
1359 let ParserMethod = "parseCoprocOptionOperand";
1361 def coproc_option_imm : Operand<i32> {
1362 let PrintMethod = "printCoprocOptionImm";
1363 let ParserMatchClass = CoprocOptionAsmOperand;
1366 //===----------------------------------------------------------------------===//
1368 include "ARMInstrFormats.td"
1370 //===----------------------------------------------------------------------===//
1371 // Multiclass helpers...
1374 /// AsI1_bin_irs - Defines a set of (op r, {mod_imm|r|so_reg}) patterns for a
1375 /// binop that produces a value.
1376 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1377 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1378 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1379 SDPatternOperator opnode, bit Commutable = 0> {
1380 // The register-immediate version is re-materializable. This is useful
1381 // in particular for taking the address of a local.
1382 let isReMaterializable = 1 in {
1383 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1384 iii, opc, "\t$Rd, $Rn, $imm",
1385 [(set GPR:$Rd, (opnode GPR:$Rn, mod_imm:$imm))]>,
1386 Sched<[WriteALU, ReadALU]> {
1391 let Inst{19-16} = Rn;
1392 let Inst{15-12} = Rd;
1393 let Inst{11-0} = imm;
1396 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1397 iir, opc, "\t$Rd, $Rn, $Rm",
1398 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1399 Sched<[WriteALU, ReadALU, ReadALU]> {
1404 let isCommutable = Commutable;
1405 let Inst{19-16} = Rn;
1406 let Inst{15-12} = Rd;
1407 let Inst{11-4} = 0b00000000;
1411 def rsi : AsI1<opcod, (outs GPR:$Rd),
1412 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1413 iis, opc, "\t$Rd, $Rn, $shift",
1414 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1415 Sched<[WriteALUsi, ReadALU]> {
1420 let Inst{19-16} = Rn;
1421 let Inst{15-12} = Rd;
1422 let Inst{11-5} = shift{11-5};
1424 let Inst{3-0} = shift{3-0};
1427 def rsr : AsI1<opcod, (outs GPR:$Rd),
1428 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1429 iis, opc, "\t$Rd, $Rn, $shift",
1430 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1431 Sched<[WriteALUsr, ReadALUsr]> {
1436 let Inst{19-16} = Rn;
1437 let Inst{15-12} = Rd;
1438 let Inst{11-8} = shift{11-8};
1440 let Inst{6-5} = shift{6-5};
1442 let Inst{3-0} = shift{3-0};
1446 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1447 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1448 /// it is equivalent to the AsI1_bin_irs counterpart.
1449 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1450 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1451 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1452 SDNode opnode, bit Commutable = 0> {
1453 // The register-immediate version is re-materializable. This is useful
1454 // in particular for taking the address of a local.
1455 let isReMaterializable = 1 in {
1456 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1457 iii, opc, "\t$Rd, $Rn, $imm",
1458 [(set GPR:$Rd, (opnode mod_imm:$imm, GPR:$Rn))]>,
1459 Sched<[WriteALU, ReadALU]> {
1464 let Inst{19-16} = Rn;
1465 let Inst{15-12} = Rd;
1466 let Inst{11-0} = imm;
1469 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1470 iir, opc, "\t$Rd, $Rn, $Rm",
1471 [/* pattern left blank */]>,
1472 Sched<[WriteALU, ReadALU, ReadALU]> {
1476 let Inst{11-4} = 0b00000000;
1479 let Inst{15-12} = Rd;
1480 let Inst{19-16} = Rn;
1483 def rsi : AsI1<opcod, (outs GPR:$Rd),
1484 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1485 iis, opc, "\t$Rd, $Rn, $shift",
1486 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1487 Sched<[WriteALUsi, ReadALU]> {
1492 let Inst{19-16} = Rn;
1493 let Inst{15-12} = Rd;
1494 let Inst{11-5} = shift{11-5};
1496 let Inst{3-0} = shift{3-0};
1499 def rsr : AsI1<opcod, (outs GPR:$Rd),
1500 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1501 iis, opc, "\t$Rd, $Rn, $shift",
1502 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1503 Sched<[WriteALUsr, ReadALUsr]> {
1508 let Inst{19-16} = Rn;
1509 let Inst{15-12} = Rd;
1510 let Inst{11-8} = shift{11-8};
1512 let Inst{6-5} = shift{6-5};
1514 let Inst{3-0} = shift{3-0};
1518 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1520 /// These opcodes will be converted to the real non-S opcodes by
1521 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1522 let hasPostISelHook = 1, Defs = [CPSR] in {
1523 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1524 InstrItinClass iis, SDNode opnode,
1525 bit Commutable = 0> {
1526 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1528 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm))]>,
1529 Sched<[WriteALU, ReadALU]>;
1531 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1533 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1534 Sched<[WriteALU, ReadALU, ReadALU]> {
1535 let isCommutable = Commutable;
1537 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1538 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1540 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1541 so_reg_imm:$shift))]>,
1542 Sched<[WriteALUsi, ReadALU]>;
1544 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1545 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1547 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1548 so_reg_reg:$shift))]>,
1549 Sched<[WriteALUSsr, ReadALUsr]>;
1553 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1554 /// operands are reversed.
1555 let hasPostISelHook = 1, Defs = [CPSR] in {
1556 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1557 InstrItinClass iis, SDNode opnode,
1558 bit Commutable = 0> {
1559 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1561 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn))]>,
1562 Sched<[WriteALU, ReadALU]>;
1564 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1565 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1567 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1569 Sched<[WriteALUsi, ReadALU]>;
1571 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1572 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1574 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1576 Sched<[WriteALUSsr, ReadALUsr]>;
1580 /// AI1_cmp_irs - Defines a set of (op r, {mod_imm|r|so_reg}) cmp / test
1581 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1582 /// a explicit result, only implicitly set CPSR.
1583 let isCompare = 1, Defs = [CPSR] in {
1584 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1585 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1586 SDPatternOperator opnode, bit Commutable = 0,
1587 string rrDecoderMethod = ""> {
1588 def ri : AI1<opcod, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, iii,
1590 [(opnode GPR:$Rn, mod_imm:$imm)]>,
1591 Sched<[WriteCMP, ReadALU]> {
1596 let Inst{19-16} = Rn;
1597 let Inst{15-12} = 0b0000;
1598 let Inst{11-0} = imm;
1600 let Unpredictable{15-12} = 0b1111;
1602 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1604 [(opnode GPR:$Rn, GPR:$Rm)]>,
1605 Sched<[WriteCMP, ReadALU, ReadALU]> {
1608 let isCommutable = Commutable;
1611 let Inst{19-16} = Rn;
1612 let Inst{15-12} = 0b0000;
1613 let Inst{11-4} = 0b00000000;
1615 let DecoderMethod = rrDecoderMethod;
1617 let Unpredictable{15-12} = 0b1111;
1619 def rsi : AI1<opcod, (outs),
1620 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1621 opc, "\t$Rn, $shift",
1622 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1623 Sched<[WriteCMPsi, ReadALU]> {
1628 let Inst{19-16} = Rn;
1629 let Inst{15-12} = 0b0000;
1630 let Inst{11-5} = shift{11-5};
1632 let Inst{3-0} = shift{3-0};
1634 let Unpredictable{15-12} = 0b1111;
1636 def rsr : AI1<opcod, (outs),
1637 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1638 opc, "\t$Rn, $shift",
1639 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1640 Sched<[WriteCMPsr, ReadALU]> {
1645 let Inst{19-16} = Rn;
1646 let Inst{15-12} = 0b0000;
1647 let Inst{11-8} = shift{11-8};
1649 let Inst{6-5} = shift{6-5};
1651 let Inst{3-0} = shift{3-0};
1653 let Unpredictable{15-12} = 0b1111;
1659 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1660 /// register and one whose operand is a register rotated by 8/16/24.
1661 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1662 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1663 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1664 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1665 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1666 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1670 let Inst{19-16} = 0b1111;
1671 let Inst{15-12} = Rd;
1672 let Inst{11-10} = rot;
1676 class AI_ext_rrot_np<bits<8> opcod, string opc>
1677 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1678 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1679 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1681 let Inst{19-16} = 0b1111;
1682 let Inst{11-10} = rot;
1685 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1686 /// register and one whose operand is a register rotated by 8/16/24.
1687 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1688 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1689 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1690 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1691 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1692 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1697 let Inst{19-16} = Rn;
1698 let Inst{15-12} = Rd;
1699 let Inst{11-10} = rot;
1700 let Inst{9-4} = 0b000111;
1704 class AI_exta_rrot_np<bits<8> opcod, string opc>
1705 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1706 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1707 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1710 let Inst{19-16} = Rn;
1711 let Inst{11-10} = rot;
1714 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1715 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1716 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, SDNode opnode,
1717 bit Commutable = 0> {
1718 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1719 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1720 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1721 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm, CPSR))]>,
1723 Sched<[WriteALU, ReadALU]> {
1728 let Inst{15-12} = Rd;
1729 let Inst{19-16} = Rn;
1730 let Inst{11-0} = imm;
1732 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1733 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1734 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1736 Sched<[WriteALU, ReadALU, ReadALU]> {
1740 let Inst{11-4} = 0b00000000;
1742 let isCommutable = Commutable;
1744 let Inst{15-12} = Rd;
1745 let Inst{19-16} = Rn;
1747 def rsi : AsI1<opcod, (outs GPR:$Rd),
1748 (ins GPR:$Rn, so_reg_imm:$shift),
1749 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1750 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1752 Sched<[WriteALUsi, ReadALU]> {
1757 let Inst{19-16} = Rn;
1758 let Inst{15-12} = Rd;
1759 let Inst{11-5} = shift{11-5};
1761 let Inst{3-0} = shift{3-0};
1763 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1764 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1765 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1766 [(set GPRnopc:$Rd, CPSR,
1767 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1769 Sched<[WriteALUsr, ReadALUsr]> {
1774 let Inst{19-16} = Rn;
1775 let Inst{15-12} = Rd;
1776 let Inst{11-8} = shift{11-8};
1778 let Inst{6-5} = shift{6-5};
1780 let Inst{3-0} = shift{3-0};
1785 /// AI1_rsc_irs - Define instructions and patterns for rsc
1786 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1787 multiclass AI1_rsc_irs<bits<4> opcod, string opc, SDNode opnode> {
1788 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1789 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1790 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1791 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn, CPSR))]>,
1793 Sched<[WriteALU, ReadALU]> {
1798 let Inst{15-12} = Rd;
1799 let Inst{19-16} = Rn;
1800 let Inst{11-0} = imm;
1802 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1803 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1804 [/* pattern left blank */]>,
1805 Sched<[WriteALU, ReadALU, ReadALU]> {
1809 let Inst{11-4} = 0b00000000;
1812 let Inst{15-12} = Rd;
1813 let Inst{19-16} = Rn;
1815 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1816 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1817 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1819 Sched<[WriteALUsi, ReadALU]> {
1824 let Inst{19-16} = Rn;
1825 let Inst{15-12} = Rd;
1826 let Inst{11-5} = shift{11-5};
1828 let Inst{3-0} = shift{3-0};
1830 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1831 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1832 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1834 Sched<[WriteALUsr, ReadALUsr]> {
1839 let Inst{19-16} = Rn;
1840 let Inst{15-12} = Rd;
1841 let Inst{11-8} = shift{11-8};
1843 let Inst{6-5} = shift{6-5};
1845 let Inst{3-0} = shift{3-0};
1850 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1851 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1852 InstrItinClass iir, PatFrag opnode> {
1853 // Note: We use the complex addrmode_imm12 rather than just an input
1854 // GPR and a constrained immediate so that we can use this to match
1855 // frame index references and avoid matching constant pool references.
1856 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1857 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1858 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1861 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1862 let Inst{19-16} = addr{16-13}; // Rn
1863 let Inst{15-12} = Rt;
1864 let Inst{11-0} = addr{11-0}; // imm12
1866 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1867 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1868 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1871 let shift{4} = 0; // Inst{4} = 0
1872 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1873 let Inst{19-16} = shift{16-13}; // Rn
1874 let Inst{15-12} = Rt;
1875 let Inst{11-0} = shift{11-0};
1880 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1881 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1882 InstrItinClass iir, PatFrag opnode> {
1883 // Note: We use the complex addrmode_imm12 rather than just an input
1884 // GPR and a constrained immediate so that we can use this to match
1885 // frame index references and avoid matching constant pool references.
1886 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1887 (ins addrmode_imm12:$addr),
1888 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1889 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1892 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1893 let Inst{19-16} = addr{16-13}; // Rn
1894 let Inst{15-12} = Rt;
1895 let Inst{11-0} = addr{11-0}; // imm12
1897 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1898 (ins ldst_so_reg:$shift),
1899 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1900 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1903 let shift{4} = 0; // Inst{4} = 0
1904 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1905 let Inst{19-16} = shift{16-13}; // Rn
1906 let Inst{15-12} = Rt;
1907 let Inst{11-0} = shift{11-0};
1913 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1914 InstrItinClass iir, PatFrag opnode> {
1915 // Note: We use the complex addrmode_imm12 rather than just an input
1916 // GPR and a constrained immediate so that we can use this to match
1917 // frame index references and avoid matching constant pool references.
1918 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1919 (ins GPR:$Rt, addrmode_imm12:$addr),
1920 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1921 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1924 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1925 let Inst{19-16} = addr{16-13}; // Rn
1926 let Inst{15-12} = Rt;
1927 let Inst{11-0} = addr{11-0}; // imm12
1929 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1930 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1931 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1934 let shift{4} = 0; // Inst{4} = 0
1935 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1936 let Inst{19-16} = shift{16-13}; // Rn
1937 let Inst{15-12} = Rt;
1938 let Inst{11-0} = shift{11-0};
1942 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1943 InstrItinClass iir, PatFrag opnode> {
1944 // Note: We use the complex addrmode_imm12 rather than just an input
1945 // GPR and a constrained immediate so that we can use this to match
1946 // frame index references and avoid matching constant pool references.
1947 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1948 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1949 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1950 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1953 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1954 let Inst{19-16} = addr{16-13}; // Rn
1955 let Inst{15-12} = Rt;
1956 let Inst{11-0} = addr{11-0}; // imm12
1958 def rs : AI2ldst<0b011, 0, isByte, (outs),
1959 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1960 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1961 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1964 let shift{4} = 0; // Inst{4} = 0
1965 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1966 let Inst{19-16} = shift{16-13}; // Rn
1967 let Inst{15-12} = Rt;
1968 let Inst{11-0} = shift{11-0};
1973 //===----------------------------------------------------------------------===//
1975 //===----------------------------------------------------------------------===//
1977 //===----------------------------------------------------------------------===//
1978 // Miscellaneous Instructions.
1981 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1982 /// the function. The first operand is the ID# for this instruction, the second
1983 /// is the index into the MachineConstantPool that this is, the third is the
1984 /// size in bytes of this constant pool entry.
1985 let hasSideEffects = 0, isNotDuplicable = 1 in
1986 def CONSTPOOL_ENTRY :
1987 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1988 i32imm:$size), NoItinerary, []>;
1990 /// A jumptable consisting of direct 32-bit addresses of the destination basic
1991 /// blocks (either absolute, or relative to the start of the jump-table in PIC
1992 /// mode). Used mostly in ARM and Thumb-1 modes.
1993 def JUMPTABLE_ADDRS :
1994 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1995 i32imm:$size), NoItinerary, []>;
1997 /// A jumptable consisting of 32-bit jump instructions. Used for Thumb-2 tables
1998 /// that cannot be optimised to use TBB or TBH.
1999 def JUMPTABLE_INSTS :
2000 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
2001 i32imm:$size), NoItinerary, []>;
2003 /// A jumptable consisting of 8-bit unsigned integers representing offsets from
2004 /// a TBB instruction.
2006 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
2007 i32imm:$size), NoItinerary, []>;
2009 /// A jumptable consisting of 16-bit unsigned integers representing offsets from
2010 /// a TBH instruction.
2012 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
2013 i32imm:$size), NoItinerary, []>;
2016 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
2017 // from removing one half of the matched pairs. That breaks PEI, which assumes
2018 // these will always be in pairs, and asserts if it finds otherwise. Better way?
2019 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
2020 def ADJCALLSTACKUP :
2021 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
2022 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
2024 def ADJCALLSTACKDOWN :
2025 PseudoInst<(outs), (ins i32imm:$amt, i32imm:$amt2, pred:$p), NoItinerary,
2026 [(ARMcallseq_start timm:$amt, timm:$amt2)]>;
2029 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
2030 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
2031 Requires<[IsARM, HasV6]> {
2033 let Inst{27-8} = 0b00110010000011110000;
2034 let Inst{7-0} = imm;
2035 let DecoderMethod = "DecodeHINTInstruction";
2038 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6K]>;
2039 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6K]>;
2040 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6K]>;
2041 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6K]>;
2042 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6K]>;
2043 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
2044 def : InstAlias<"esb$p", (HINT 16, pred:$p)>, Requires<[IsARM, HasRAS]>;
2045 def : InstAlias<"csdb$p", (HINT 20, pred:$p)>, Requires<[IsARM, HasV6K]>;
2047 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
2049 [(set GPR:$Rd, (int_arm_sel GPR:$Rn, GPR:$Rm))]>,
2050 Requires<[IsARM, HasV6]> {
2055 let Inst{15-12} = Rd;
2056 let Inst{19-16} = Rn;
2057 let Inst{27-20} = 0b01101000;
2058 let Inst{7-4} = 0b1011;
2059 let Inst{11-8} = 0b1111;
2060 let Unpredictable{11-8} = 0b1111;
2063 // The 16-bit operand $val can be used by a debugger to store more information
2064 // about the breakpoint.
2065 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2066 "bkpt", "\t$val", []>, Requires<[IsARM]> {
2068 let Inst{3-0} = val{3-0};
2069 let Inst{19-8} = val{15-4};
2070 let Inst{27-20} = 0b00010010;
2071 let Inst{31-28} = 0xe; // AL
2072 let Inst{7-4} = 0b0111;
2074 // default immediate for breakpoint mnemonic
2075 def : InstAlias<"bkpt", (BKPT 0), 0>, Requires<[IsARM]>;
2077 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2078 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
2080 let Inst{3-0} = val{3-0};
2081 let Inst{19-8} = val{15-4};
2082 let Inst{27-20} = 0b00010000;
2083 let Inst{31-28} = 0xe; // AL
2084 let Inst{7-4} = 0b0111;
2087 // Change Processor State
2088 // FIXME: We should use InstAlias to handle the optional operands.
2089 class CPS<dag iops, string asm_ops>
2090 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
2091 []>, Requires<[IsARM]> {
2097 let Inst{31-28} = 0b1111;
2098 let Inst{27-20} = 0b00010000;
2099 let Inst{19-18} = imod;
2100 let Inst{17} = M; // Enabled if mode is set;
2101 let Inst{16-9} = 0b00000000;
2102 let Inst{8-6} = iflags;
2104 let Inst{4-0} = mode;
2107 let DecoderMethod = "DecodeCPSInstruction" in {
2109 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
2110 "$imod\t$iflags, $mode">;
2111 let mode = 0, M = 0 in
2112 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
2114 let imod = 0, iflags = 0, M = 1 in
2115 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
2118 // Preload signals the memory system of possible future data/instruction access.
2119 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
2121 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
2122 IIC_Preload, !strconcat(opc, "\t$addr"),
2123 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
2124 Sched<[WritePreLd]> {
2127 let Inst{31-26} = 0b111101;
2128 let Inst{25} = 0; // 0 for immediate form
2129 let Inst{24} = data;
2130 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2131 let Inst{22} = read;
2132 let Inst{21-20} = 0b01;
2133 let Inst{19-16} = addr{16-13}; // Rn
2134 let Inst{15-12} = 0b1111;
2135 let Inst{11-0} = addr{11-0}; // imm12
2138 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
2139 !strconcat(opc, "\t$shift"),
2140 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
2141 Sched<[WritePreLd]> {
2143 let Inst{31-26} = 0b111101;
2144 let Inst{25} = 1; // 1 for register form
2145 let Inst{24} = data;
2146 let Inst{23} = shift{12}; // U (add = ('U' == 1))
2147 let Inst{22} = read;
2148 let Inst{21-20} = 0b01;
2149 let Inst{19-16} = shift{16-13}; // Rn
2150 let Inst{15-12} = 0b1111;
2151 let Inst{11-0} = shift{11-0};
2156 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
2157 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
2158 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
2160 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
2161 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
2163 let Inst{31-10} = 0b1111000100000001000000;
2168 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
2169 [(int_arm_dbg imm0_15:$opt)]>, Requires<[IsARM, HasV7]> {
2171 let Inst{27-4} = 0b001100100000111100001111;
2172 let Inst{3-0} = opt;
2175 // A8.8.247 UDF - Undefined (Encoding A1)
2176 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
2177 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
2179 let Inst{31-28} = 0b1110; // AL
2180 let Inst{27-25} = 0b011;
2181 let Inst{24-20} = 0b11111;
2182 let Inst{19-8} = imm16{15-4};
2183 let Inst{7-4} = 0b1111;
2184 let Inst{3-0} = imm16{3-0};
2188 * A5.4 Permanently UNDEFINED instructions.
2190 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
2191 * Other UDF encodings generate SIGILL.
2193 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
2195 * 1110 0111 1111 iiii iiii iiii 1111 iiii
2197 * 1101 1110 iiii iiii
2198 * It uses the following encoding:
2199 * 1110 0111 1111 1110 1101 1110 1111 0000
2200 * - In ARM: UDF #60896;
2201 * - In Thumb: UDF #254 followed by a branch-to-self.
2203 let isBarrier = 1, isTerminator = 1 in
2204 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2206 Requires<[IsARM,UseNaClTrap]> {
2207 let Inst = 0xe7fedef0;
2209 let isBarrier = 1, isTerminator = 1 in
2210 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2212 Requires<[IsARM,DontUseNaClTrap]> {
2213 let Inst = 0xe7ffdefe;
2216 def : Pat<(debugtrap), (BKPT 0)>, Requires<[IsARM, HasV5T]>;
2217 def : Pat<(debugtrap), (UDF 254)>, Requires<[IsARM, NoV5T]>;
2219 // Address computation and loads and stores in PIC mode.
2220 let isNotDuplicable = 1 in {
2221 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2223 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2224 Sched<[WriteALU, ReadALU]>;
2226 let AddedComplexity = 10 in {
2227 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2229 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2231 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2233 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2235 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2237 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2239 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2241 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2243 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2245 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2247 let AddedComplexity = 10 in {
2248 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2249 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2251 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2252 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2253 addrmodepc:$addr)]>;
2255 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2256 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2258 } // isNotDuplicable = 1
2261 // LEApcrel - Load a pc-relative address into a register without offending the
2263 let hasSideEffects = 0, isReMaterializable = 1 in
2264 // The 'adr' mnemonic encodes differently if the label is before or after
2265 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2266 // know until then which form of the instruction will be used.
2267 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2268 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2269 Sched<[WriteALU, ReadALU]> {
2272 let Inst{27-25} = 0b001;
2274 let Inst{23-22} = label{13-12};
2277 let Inst{19-16} = 0b1111;
2278 let Inst{15-12} = Rd;
2279 let Inst{11-0} = label{11-0};
2282 let hasSideEffects = 1 in {
2283 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2284 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2286 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2287 (ins i32imm:$label, pred:$p),
2288 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2291 //===----------------------------------------------------------------------===//
2292 // Control Flow Instructions.
2295 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2297 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2298 "bx", "\tlr", [(ARMretflag)]>,
2299 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2300 let Inst{27-0} = 0b0001001011111111111100011110;
2304 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2305 "mov", "\tpc, lr", [(ARMretflag)]>,
2306 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2307 let Inst{27-0} = 0b0001101000001111000000001110;
2310 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2311 // the user-space one).
2312 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2314 [(ARMintretflag imm:$offset)]>;
2317 // Indirect branches
2318 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2320 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2321 [(brind GPR:$dst)]>,
2322 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2324 let Inst{31-4} = 0b1110000100101111111111110001;
2325 let Inst{3-0} = dst;
2328 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2329 "bx", "\t$dst", [/* pattern left blank */]>,
2330 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2332 let Inst{27-4} = 0b000100101111111111110001;
2333 let Inst{3-0} = dst;
2337 // SP is marked as a use to prevent stack-pointer assignments that appear
2338 // immediately before calls from potentially appearing dead.
2340 // FIXME: Do we really need a non-predicated version? If so, it should
2341 // at least be a pseudo instruction expanding to the predicated version
2342 // at MC lowering time.
2343 Defs = [LR], Uses = [SP] in {
2344 def BL : ABXI<0b1011, (outs), (ins arm_bl_target:$func),
2345 IIC_Br, "bl\t$func",
2346 [(ARMcall tglobaladdr:$func)]>,
2347 Requires<[IsARM]>, Sched<[WriteBrL]> {
2348 let Inst{31-28} = 0b1110;
2350 let Inst{23-0} = func;
2351 let DecoderMethod = "DecodeBranchImmInstruction";
2354 def BL_pred : ABI<0b1011, (outs), (ins arm_bl_target:$func),
2355 IIC_Br, "bl", "\t$func",
2356 [(ARMcall_pred tglobaladdr:$func)]>,
2357 Requires<[IsARM]>, Sched<[WriteBrL]> {
2359 let Inst{23-0} = func;
2360 let DecoderMethod = "DecodeBranchImmInstruction";
2364 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2365 IIC_Br, "blx\t$func",
2366 [(ARMcall GPR:$func)]>,
2367 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2369 let Inst{31-4} = 0b1110000100101111111111110011;
2370 let Inst{3-0} = func;
2373 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2374 IIC_Br, "blx", "\t$func",
2375 [(ARMcall_pred GPR:$func)]>,
2376 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2378 let Inst{27-4} = 0b000100101111111111110011;
2379 let Inst{3-0} = func;
2383 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2384 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2385 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2386 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2389 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2390 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2391 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2393 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2394 // return stack predictor.
2395 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins arm_bl_target:$func),
2396 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2397 Requires<[IsARM]>, Sched<[WriteBr]>;
2400 let isBranch = 1, isTerminator = 1 in {
2401 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2402 // a two-value operand where a dag node expects two operands. :(
2403 def Bcc : ABI<0b1010, (outs), (ins arm_br_target:$target),
2404 IIC_Br, "b", "\t$target",
2405 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2408 let Inst{23-0} = target;
2409 let DecoderMethod = "DecodeBranchImmInstruction";
2412 let isBarrier = 1 in {
2413 // B is "predicable" since it's just a Bcc with an 'always' condition.
2414 let isPredicable = 1 in
2415 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2416 // should be sufficient.
2417 // FIXME: Is B really a Barrier? That doesn't seem right.
2418 def B : ARMPseudoExpand<(outs), (ins arm_br_target:$target), 4, IIC_Br,
2419 [(br bb:$target)], (Bcc arm_br_target:$target,
2420 (ops 14, zero_reg))>,
2423 let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
2424 def BR_JTr : ARMPseudoInst<(outs),
2425 (ins GPR:$target, i32imm:$jt),
2427 [(ARMbrjt GPR:$target, tjumptable:$jt)]>,
2429 def BR_JTm_i12 : ARMPseudoInst<(outs),
2430 (ins addrmode_imm12:$target, i32imm:$jt),
2432 [(ARMbrjt (i32 (load addrmode_imm12:$target)),
2433 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2434 def BR_JTm_rs : ARMPseudoInst<(outs),
2435 (ins ldst_so_reg:$target, i32imm:$jt),
2437 [(ARMbrjt (i32 (load ldst_so_reg:$target)),
2438 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2439 def BR_JTadd : ARMPseudoInst<(outs),
2440 (ins GPR:$target, GPR:$idx, i32imm:$jt),
2442 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt)]>,
2443 Sched<[WriteBrTbl]>;
2444 } // isNotDuplicable = 1, isIndirectBranch = 1
2450 def BLXi : AXI<(outs), (ins arm_blx_target:$target), BrMiscFrm, NoItinerary,
2451 "blx\t$target", []>,
2452 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2453 let Inst{31-25} = 0b1111101;
2455 let Inst{23-0} = target{24-1};
2456 let Inst{24} = target{0};
2460 // Branch and Exchange Jazelle
2461 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2462 [/* pattern left blank */]>, Sched<[WriteBr]> {
2464 let Inst{23-20} = 0b0010;
2465 let Inst{19-8} = 0xfff;
2466 let Inst{7-4} = 0b0010;
2467 let Inst{3-0} = func;
2473 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2474 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2477 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2480 def TAILJMPd : ARMPseudoExpand<(outs), (ins arm_br_target:$dst),
2482 (Bcc arm_br_target:$dst, (ops 14, zero_reg))>,
2483 Requires<[IsARM]>, Sched<[WriteBr]>;
2485 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2487 (BX GPR:$dst)>, Sched<[WriteBr]>,
2488 Requires<[IsARM, HasV4T]>;
2491 // Secure Monitor Call is a system instruction.
2492 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2493 []>, Requires<[IsARM, HasTrustZone]> {
2495 let Inst{23-4} = 0b01100000000000000111;
2496 let Inst{3-0} = opt;
2498 def : MnemonicAlias<"smi", "smc">;
2500 // Supervisor Call (Software Interrupt)
2501 let isCall = 1, Uses = [SP] in {
2502 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2505 let Inst{23-0} = svc;
2509 // Store Return State
2510 class SRSI<bit wb, string asm>
2511 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2512 NoItinerary, asm, "", []> {
2514 let Inst{31-28} = 0b1111;
2515 let Inst{27-25} = 0b100;
2519 let Inst{19-16} = 0b1101; // SP
2520 let Inst{15-5} = 0b00000101000;
2521 let Inst{4-0} = mode;
2524 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2525 let Inst{24-23} = 0;
2527 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2528 let Inst{24-23} = 0;
2530 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2531 let Inst{24-23} = 0b10;
2533 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2534 let Inst{24-23} = 0b10;
2536 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2537 let Inst{24-23} = 0b01;
2539 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2540 let Inst{24-23} = 0b01;
2542 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2543 let Inst{24-23} = 0b11;
2545 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2546 let Inst{24-23} = 0b11;
2549 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2550 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2552 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2553 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2555 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2556 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2558 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2559 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2561 // Return From Exception
2562 class RFEI<bit wb, string asm>
2563 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2564 NoItinerary, asm, "", []> {
2566 let Inst{31-28} = 0b1111;
2567 let Inst{27-25} = 0b100;
2571 let Inst{19-16} = Rn;
2572 let Inst{15-0} = 0xa00;
2575 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2576 let Inst{24-23} = 0;
2578 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2579 let Inst{24-23} = 0;
2581 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2582 let Inst{24-23} = 0b10;
2584 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2585 let Inst{24-23} = 0b10;
2587 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2588 let Inst{24-23} = 0b01;
2590 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2591 let Inst{24-23} = 0b01;
2593 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2594 let Inst{24-23} = 0b11;
2596 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2597 let Inst{24-23} = 0b11;
2600 // Hypervisor Call is a system instruction
2602 def HVC : AInoP< (outs), (ins imm0_65535:$imm), BrFrm, NoItinerary,
2603 "hvc", "\t$imm", []>,
2604 Requires<[IsARM, HasVirtualization]> {
2607 // Even though HVC isn't predicable, it's encoding includes a condition field.
2608 // The instruction is undefined if the condition field is 0xf otherwise it is
2609 // unpredictable if it isn't condition AL (0xe).
2610 let Inst{31-28} = 0b1110;
2611 let Unpredictable{31-28} = 0b1111;
2612 let Inst{27-24} = 0b0001;
2613 let Inst{23-20} = 0b0100;
2614 let Inst{19-8} = imm{15-4};
2615 let Inst{7-4} = 0b0111;
2616 let Inst{3-0} = imm{3-0};
2620 // Return from exception in Hypervisor mode.
2621 let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
2622 def ERET : ABI<0b0001, (outs), (ins), NoItinerary, "eret", "", []>,
2623 Requires<[IsARM, HasVirtualization]> {
2624 let Inst{23-0} = 0b011000000000000001101110;
2627 //===----------------------------------------------------------------------===//
2628 // Load / Store Instructions.
2634 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si, load>;
2635 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2637 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si, store>;
2638 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2641 // Special LDR for loads from non-pc-relative constpools.
2642 let canFoldAsLoad = 1, mayLoad = 1, hasSideEffects = 0,
2643 isReMaterializable = 1, isCodeGenOnly = 1 in
2644 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2645 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2649 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2650 let Inst{19-16} = 0b1111;
2651 let Inst{15-12} = Rt;
2652 let Inst{11-0} = addr{11-0}; // imm12
2655 // Loads with zero extension
2656 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2657 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2658 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2660 // Loads with sign extension
2661 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2662 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2663 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2665 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2666 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2667 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2669 let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
2671 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2672 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2673 Requires<[IsARM, HasV5TE]>;
2676 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2677 NoItinerary, "lda", "\t$Rt, $addr", []>;
2678 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2679 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2680 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2681 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2684 multiclass AI2_ldridx<bit isByte, string opc,
2685 InstrItinClass iii, InstrItinClass iir> {
2686 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2687 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2688 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2691 let Inst{23} = addr{12};
2692 let Inst{19-16} = addr{16-13};
2693 let Inst{11-0} = addr{11-0};
2694 let DecoderMethod = "DecodeLDRPreImm";
2697 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2698 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2699 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2702 let Inst{23} = addr{12};
2703 let Inst{19-16} = addr{16-13};
2704 let Inst{11-0} = addr{11-0};
2706 let DecoderMethod = "DecodeLDRPreReg";
2709 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2710 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2711 IndexModePost, LdFrm, iir,
2712 opc, "\t$Rt, $addr, $offset",
2713 "$addr.base = $Rn_wb", []> {
2719 let Inst{23} = offset{12};
2720 let Inst{19-16} = addr;
2721 let Inst{11-0} = offset{11-0};
2724 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2727 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2728 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2729 IndexModePost, LdFrm, iii,
2730 opc, "\t$Rt, $addr, $offset",
2731 "$addr.base = $Rn_wb", []> {
2737 let Inst{23} = offset{12};
2738 let Inst{19-16} = addr;
2739 let Inst{11-0} = offset{11-0};
2741 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2746 let mayLoad = 1, hasSideEffects = 0 in {
2747 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2748 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2749 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2750 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2753 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2754 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2755 (ins addrmode3_pre:$addr), IndexModePre,
2757 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2759 let Inst{23} = addr{8}; // U bit
2760 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2761 let Inst{19-16} = addr{12-9}; // Rn
2762 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2763 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2764 let DecoderMethod = "DecodeAddrMode3Instruction";
2766 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2767 (ins addr_offset_none:$addr, am3offset:$offset),
2768 IndexModePost, LdMiscFrm, itin,
2769 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2773 let Inst{23} = offset{8}; // U bit
2774 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2775 let Inst{19-16} = addr;
2776 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2777 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2778 let DecoderMethod = "DecodeAddrMode3Instruction";
2782 let mayLoad = 1, hasSideEffects = 0 in {
2783 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2784 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2785 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2786 let hasExtraDefRegAllocReq = 1 in {
2787 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2788 (ins addrmode3_pre:$addr), IndexModePre,
2789 LdMiscFrm, IIC_iLoad_d_ru,
2790 "ldrd", "\t$Rt, $Rt2, $addr!",
2791 "$addr.base = $Rn_wb", []> {
2793 let Inst{23} = addr{8}; // U bit
2794 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2795 let Inst{19-16} = addr{12-9}; // Rn
2796 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2797 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2798 let DecoderMethod = "DecodeAddrMode3Instruction";
2800 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2801 (ins addr_offset_none:$addr, am3offset:$offset),
2802 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2803 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2804 "$addr.base = $Rn_wb", []> {
2807 let Inst{23} = offset{8}; // U bit
2808 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2809 let Inst{19-16} = addr;
2810 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2811 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2812 let DecoderMethod = "DecodeAddrMode3Instruction";
2814 } // hasExtraDefRegAllocReq = 1
2815 } // mayLoad = 1, hasSideEffects = 0
2817 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2818 let mayLoad = 1, hasSideEffects = 0 in {
2819 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2820 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2821 IndexModePost, LdFrm, IIC_iLoad_ru,
2822 "ldrt", "\t$Rt, $addr, $offset",
2823 "$addr.base = $Rn_wb", []> {
2829 let Inst{23} = offset{12};
2830 let Inst{21} = 1; // overwrite
2831 let Inst{19-16} = addr;
2832 let Inst{11-5} = offset{11-5};
2834 let Inst{3-0} = offset{3-0};
2835 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2839 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2840 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2841 IndexModePost, LdFrm, IIC_iLoad_ru,
2842 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2848 let Inst{23} = offset{12};
2849 let Inst{21} = 1; // overwrite
2850 let Inst{19-16} = addr;
2851 let Inst{11-0} = offset{11-0};
2852 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2855 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2856 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2857 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2858 "ldrbt", "\t$Rt, $addr, $offset",
2859 "$addr.base = $Rn_wb", []> {
2865 let Inst{23} = offset{12};
2866 let Inst{21} = 1; // overwrite
2867 let Inst{19-16} = addr;
2868 let Inst{11-5} = offset{11-5};
2870 let Inst{3-0} = offset{3-0};
2871 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2875 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2876 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2877 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2878 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2884 let Inst{23} = offset{12};
2885 let Inst{21} = 1; // overwrite
2886 let Inst{19-16} = addr;
2887 let Inst{11-0} = offset{11-0};
2888 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2891 multiclass AI3ldrT<bits<4> op, string opc> {
2892 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2893 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2894 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2895 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2897 let Inst{23} = offset{8};
2899 let Inst{11-8} = offset{7-4};
2900 let Inst{3-0} = offset{3-0};
2902 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2903 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2904 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2905 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2907 let Inst{23} = Rm{4};
2910 let Unpredictable{11-8} = 0b1111;
2911 let Inst{3-0} = Rm{3-0};
2912 let DecoderMethod = "DecodeLDR";
2916 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2917 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2918 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2922 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2926 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2929 // Pseudo instruction ldr Rt, =immediate
2931 : ARMAsmPseudo<"ldr${q} $Rt, $immediate",
2932 (ins const_pool_asm_imm:$immediate, pred:$q),
2937 // Stores with truncate
2938 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2939 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2940 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2943 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2944 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2945 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2946 Requires<[IsARM, HasV5TE]> {
2952 multiclass AI2_stridx<bit isByte, string opc,
2953 InstrItinClass iii, InstrItinClass iir> {
2954 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2955 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2957 opc, "\t$Rt, $addr!",
2958 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2961 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2962 let Inst{19-16} = addr{16-13}; // Rn
2963 let Inst{11-0} = addr{11-0}; // imm12
2964 let DecoderMethod = "DecodeSTRPreImm";
2967 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2968 (ins GPR:$Rt, ldst_so_reg:$addr),
2969 IndexModePre, StFrm, iir,
2970 opc, "\t$Rt, $addr!",
2971 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2974 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2975 let Inst{19-16} = addr{16-13}; // Rn
2976 let Inst{11-0} = addr{11-0};
2977 let Inst{4} = 0; // Inst{4} = 0
2978 let DecoderMethod = "DecodeSTRPreReg";
2980 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2981 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2982 IndexModePost, StFrm, iir,
2983 opc, "\t$Rt, $addr, $offset",
2984 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2990 let Inst{23} = offset{12};
2991 let Inst{19-16} = addr;
2992 let Inst{11-0} = offset{11-0};
2995 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2998 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2999 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3000 IndexModePost, StFrm, iii,
3001 opc, "\t$Rt, $addr, $offset",
3002 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
3008 let Inst{23} = offset{12};
3009 let Inst{19-16} = addr;
3010 let Inst{11-0} = offset{11-0};
3012 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3016 let mayStore = 1, hasSideEffects = 0 in {
3017 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
3018 // IIC_iStore_siu depending on whether it the offset register is shifted.
3019 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
3020 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
3023 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
3024 am2offset_reg:$offset),
3025 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
3026 am2offset_reg:$offset)>;
3027 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
3028 am2offset_imm:$offset),
3029 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
3030 am2offset_imm:$offset)>;
3031 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
3032 am2offset_reg:$offset),
3033 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
3034 am2offset_reg:$offset)>;
3035 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
3036 am2offset_imm:$offset),
3037 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
3038 am2offset_imm:$offset)>;
3040 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
3041 // put the patterns on the instruction definitions directly as ISel wants
3042 // the address base and offset to be separate operands, not a single
3043 // complex operand like we represent the instructions themselves. The
3044 // pseudos map between the two.
3045 let usesCustomInserter = 1,
3046 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
3047 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3048 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
3051 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
3052 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3053 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
3056 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
3057 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3058 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
3061 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
3062 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3063 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
3066 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
3067 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3068 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
3071 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
3076 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
3077 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
3078 StMiscFrm, IIC_iStore_bh_ru,
3079 "strh", "\t$Rt, $addr!",
3080 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
3082 let Inst{23} = addr{8}; // U bit
3083 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3084 let Inst{19-16} = addr{12-9}; // Rn
3085 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3086 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3087 let DecoderMethod = "DecodeAddrMode3Instruction";
3090 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
3091 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
3092 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
3093 "strh", "\t$Rt, $addr, $offset",
3094 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb",
3095 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
3096 addr_offset_none:$addr,
3097 am3offset:$offset))]> {
3100 let Inst{23} = offset{8}; // U bit
3101 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3102 let Inst{19-16} = addr;
3103 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3104 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3105 let DecoderMethod = "DecodeAddrMode3Instruction";
3108 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
3109 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
3110 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
3111 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
3112 "strd", "\t$Rt, $Rt2, $addr!",
3113 "$addr.base = $Rn_wb", []> {
3115 let Inst{23} = addr{8}; // U bit
3116 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3117 let Inst{19-16} = addr{12-9}; // Rn
3118 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3119 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3120 let DecoderMethod = "DecodeAddrMode3Instruction";
3123 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
3124 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
3126 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
3127 "strd", "\t$Rt, $Rt2, $addr, $offset",
3128 "$addr.base = $Rn_wb", []> {
3131 let Inst{23} = offset{8}; // U bit
3132 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3133 let Inst{19-16} = addr;
3134 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3135 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3136 let DecoderMethod = "DecodeAddrMode3Instruction";
3138 } // mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1
3140 // STRT, STRBT, and STRHT
3142 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3143 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3144 IndexModePost, StFrm, IIC_iStore_bh_ru,
3145 "strbt", "\t$Rt, $addr, $offset",
3146 "$addr.base = $Rn_wb", []> {
3152 let Inst{23} = offset{12};
3153 let Inst{21} = 1; // overwrite
3154 let Inst{19-16} = addr;
3155 let Inst{11-5} = offset{11-5};
3157 let Inst{3-0} = offset{3-0};
3158 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3162 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3163 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3164 IndexModePost, StFrm, IIC_iStore_bh_ru,
3165 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3171 let Inst{23} = offset{12};
3172 let Inst{21} = 1; // overwrite
3173 let Inst{19-16} = addr;
3174 let Inst{11-0} = offset{11-0};
3175 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3179 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
3180 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3182 let mayStore = 1, hasSideEffects = 0 in {
3183 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3184 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3185 IndexModePost, StFrm, IIC_iStore_ru,
3186 "strt", "\t$Rt, $addr, $offset",
3187 "$addr.base = $Rn_wb", []> {
3193 let Inst{23} = offset{12};
3194 let Inst{21} = 1; // overwrite
3195 let Inst{19-16} = addr;
3196 let Inst{11-5} = offset{11-5};
3198 let Inst{3-0} = offset{3-0};
3199 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3203 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3204 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3205 IndexModePost, StFrm, IIC_iStore_ru,
3206 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3212 let Inst{23} = offset{12};
3213 let Inst{21} = 1; // overwrite
3214 let Inst{19-16} = addr;
3215 let Inst{11-0} = offset{11-0};
3216 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3221 : ARMAsmPseudo<"strt${q} $Rt, $addr",
3222 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3224 multiclass AI3strT<bits<4> op, string opc> {
3225 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3226 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
3227 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3228 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
3230 let Inst{23} = offset{8};
3232 let Inst{11-8} = offset{7-4};
3233 let Inst{3-0} = offset{3-0};
3235 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3236 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
3237 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3238 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
3240 let Inst{23} = Rm{4};
3243 let Inst{3-0} = Rm{3-0};
3248 defm STRHT : AI3strT<0b1011, "strht">;
3250 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3251 NoItinerary, "stl", "\t$Rt, $addr", []>;
3252 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3253 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3254 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3255 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3257 //===----------------------------------------------------------------------===//
3258 // Load / store multiple Instructions.
3261 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3262 InstrItinClass itin, InstrItinClass itin_upd> {
3263 // IA is the default, so no need for an explicit suffix on the
3264 // mnemonic here. Without it is the canonical spelling.
3266 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3267 IndexModeNone, f, itin,
3268 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3269 let Inst{24-23} = 0b01; // Increment After
3270 let Inst{22} = P_bit;
3271 let Inst{21} = 0; // No writeback
3272 let Inst{20} = L_bit;
3275 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3276 IndexModeUpd, f, itin_upd,
3277 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3278 let Inst{24-23} = 0b01; // Increment After
3279 let Inst{22} = P_bit;
3280 let Inst{21} = 1; // Writeback
3281 let Inst{20} = L_bit;
3283 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3286 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3287 IndexModeNone, f, itin,
3288 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3289 let Inst{24-23} = 0b00; // Decrement After
3290 let Inst{22} = P_bit;
3291 let Inst{21} = 0; // No writeback
3292 let Inst{20} = L_bit;
3295 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3296 IndexModeUpd, f, itin_upd,
3297 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3298 let Inst{24-23} = 0b00; // Decrement After
3299 let Inst{22} = P_bit;
3300 let Inst{21} = 1; // Writeback
3301 let Inst{20} = L_bit;
3303 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3306 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3307 IndexModeNone, f, itin,
3308 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3309 let Inst{24-23} = 0b10; // Decrement Before
3310 let Inst{22} = P_bit;
3311 let Inst{21} = 0; // No writeback
3312 let Inst{20} = L_bit;
3315 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3316 IndexModeUpd, f, itin_upd,
3317 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3318 let Inst{24-23} = 0b10; // Decrement Before
3319 let Inst{22} = P_bit;
3320 let Inst{21} = 1; // Writeback
3321 let Inst{20} = L_bit;
3323 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3326 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3327 IndexModeNone, f, itin,
3328 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3329 let Inst{24-23} = 0b11; // Increment Before
3330 let Inst{22} = P_bit;
3331 let Inst{21} = 0; // No writeback
3332 let Inst{20} = L_bit;
3335 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3336 IndexModeUpd, f, itin_upd,
3337 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3338 let Inst{24-23} = 0b11; // Increment Before
3339 let Inst{22} = P_bit;
3340 let Inst{21} = 1; // Writeback
3341 let Inst{20} = L_bit;
3343 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3347 let hasSideEffects = 0 in {
3349 let mayLoad = 1, hasExtraDefRegAllocReq = 1, variadicOpsAreDefs = 1 in
3350 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3351 IIC_iLoad_mu>, ComplexDeprecationPredicate<"ARMLoad">;
3353 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3354 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3356 ComplexDeprecationPredicate<"ARMStore">;
3360 // FIXME: remove when we have a way to marking a MI with these properties.
3361 // FIXME: Should pc be an implicit operand like PICADD, etc?
3362 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3363 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3364 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3365 reglist:$regs, variable_ops),
3366 4, IIC_iLoad_mBr, [],
3367 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3368 RegConstraint<"$Rn = $wb">;
3370 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3371 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3374 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3375 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3380 //===----------------------------------------------------------------------===//
3381 // Move Instructions.
3384 let hasSideEffects = 0, isMoveReg = 1 in
3385 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3386 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3390 let Inst{19-16} = 0b0000;
3391 let Inst{11-4} = 0b00000000;
3394 let Inst{15-12} = Rd;
3397 // A version for the smaller set of tail call registers.
3398 let hasSideEffects = 0 in
3399 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3400 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3404 let Inst{11-4} = 0b00000000;
3407 let Inst{15-12} = Rd;
3410 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3411 DPSoRegRegFrm, IIC_iMOVsr,
3412 "mov", "\t$Rd, $src",
3413 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3417 let Inst{15-12} = Rd;
3418 let Inst{19-16} = 0b0000;
3419 let Inst{11-8} = src{11-8};
3421 let Inst{6-5} = src{6-5};
3423 let Inst{3-0} = src{3-0};
3427 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3428 DPSoRegImmFrm, IIC_iMOVsr,
3429 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3430 UnaryDP, Sched<[WriteALU]> {
3433 let Inst{15-12} = Rd;
3434 let Inst{19-16} = 0b0000;
3435 let Inst{11-5} = src{11-5};
3437 let Inst{3-0} = src{3-0};
3441 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3442 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm, IIC_iMOVi,
3443 "mov", "\t$Rd, $imm", [(set GPR:$Rd, mod_imm:$imm)]>, UnaryDP,
3448 let Inst{15-12} = Rd;
3449 let Inst{19-16} = 0b0000;
3450 let Inst{11-0} = imm;
3453 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3454 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3456 "movw", "\t$Rd, $imm",
3457 [(set GPR:$Rd, imm0_65535:$imm)]>,
3458 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3461 let Inst{15-12} = Rd;
3462 let Inst{11-0} = imm{11-0};
3463 let Inst{19-16} = imm{15-12};
3466 let DecoderMethod = "DecodeArmMOVTWInstruction";
3469 def : InstAlias<"mov${p} $Rd, $imm",
3470 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p), 0>,
3471 Requires<[IsARM, HasV6T2]>;
3473 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3474 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3477 let Constraints = "$src = $Rd" in {
3478 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3479 (ins GPR:$src, imm0_65535_expr:$imm),
3481 "movt", "\t$Rd, $imm",
3483 (or (and GPR:$src, 0xffff),
3484 lo16AllZero:$imm))]>, UnaryDP,
3485 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3488 let Inst{15-12} = Rd;
3489 let Inst{11-0} = imm{11-0};
3490 let Inst{19-16} = imm{15-12};
3493 let DecoderMethod = "DecodeArmMOVTWInstruction";
3496 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3497 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3502 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3503 Requires<[IsARM, HasV6T2]>;
3505 let Uses = [CPSR] in
3506 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3507 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3508 Requires<[IsARM]>, Sched<[WriteALU]>;
3510 // These aren't really mov instructions, but we have to define them this way
3511 // due to flag operands.
3513 let Defs = [CPSR] in {
3514 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3515 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3516 Sched<[WriteALU]>, Requires<[IsARM]>;
3517 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3518 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3519 Sched<[WriteALU]>, Requires<[IsARM]>;
3522 //===----------------------------------------------------------------------===//
3523 // Extend Instructions.
3528 def SXTB : AI_ext_rrot<0b01101010,
3529 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3530 def SXTH : AI_ext_rrot<0b01101011,
3531 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3533 def SXTAB : AI_exta_rrot<0b01101010,
3534 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3535 def SXTAH : AI_exta_rrot<0b01101011,
3536 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3538 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, rot_imm:$rot), i8)),
3539 (SXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3540 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, imm8_or_16:$rot),
3542 (SXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3544 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3545 def : ARMV6Pat<(int_arm_sxtb16 GPR:$Src),
3546 (SXTB16 GPR:$Src, 0)>;
3547 def : ARMV6Pat<(int_arm_sxtb16 (rotr GPR:$Src, rot_imm:$rot)),
3548 (SXTB16 GPR:$Src, rot_imm:$rot)>;
3550 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3551 def : ARMV6Pat<(int_arm_sxtab16 GPR:$LHS, GPR:$RHS),
3552 (SXTAB16 GPR:$LHS, GPR:$RHS, 0)>;
3553 def : ARMV6Pat<(int_arm_sxtab16 GPR:$LHS, (rotr GPR:$RHS, rot_imm:$rot)),
3554 (SXTAB16 GPR:$LHS, GPR:$RHS, rot_imm:$rot)>;
3558 let AddedComplexity = 16 in {
3559 def UXTB : AI_ext_rrot<0b01101110,
3560 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3561 def UXTH : AI_ext_rrot<0b01101111,
3562 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3563 def UXTB16 : AI_ext_rrot<0b01101100,
3564 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3566 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3567 // The transformation should probably be done as a combiner action
3568 // instead so we can include a check for masking back in the upper
3569 // eight bits of the source into the lower eight bits of the result.
3570 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3571 // (UXTB16r_rot GPR:$Src, 3)>;
3572 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3573 (UXTB16 GPR:$Src, 1)>;
3574 def : ARMV6Pat<(int_arm_uxtb16 GPR:$Src),
3575 (UXTB16 GPR:$Src, 0)>;
3576 def : ARMV6Pat<(int_arm_uxtb16 (rotr GPR:$Src, rot_imm:$rot)),
3577 (UXTB16 GPR:$Src, rot_imm:$rot)>;
3579 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3580 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3581 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3582 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3584 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, rot_imm:$rot), 0xFF)),
3585 (UXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3586 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, imm8_or_16:$rot), 0xFFFF)),
3587 (UXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3590 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3591 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3592 def : ARMV6Pat<(int_arm_uxtab16 GPR:$LHS, GPR:$RHS),
3593 (UXTAB16 GPR:$LHS, GPR:$RHS, 0)>;
3594 def : ARMV6Pat<(int_arm_uxtab16 GPR:$LHS, (rotr GPR:$RHS, rot_imm:$rot)),
3595 (UXTAB16 GPR:$LHS, GPR:$RHS, rot_imm:$rot)>;
3598 def SBFX : I<(outs GPRnopc:$Rd),
3599 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3600 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3601 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3602 Requires<[IsARM, HasV6T2]> {
3607 let Inst{27-21} = 0b0111101;
3608 let Inst{6-4} = 0b101;
3609 let Inst{20-16} = width;
3610 let Inst{15-12} = Rd;
3611 let Inst{11-7} = lsb;
3615 def UBFX : I<(outs GPRnopc:$Rd),
3616 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3617 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3618 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3619 Requires<[IsARM, HasV6T2]> {
3624 let Inst{27-21} = 0b0111111;
3625 let Inst{6-4} = 0b101;
3626 let Inst{20-16} = width;
3627 let Inst{15-12} = Rd;
3628 let Inst{11-7} = lsb;
3632 //===----------------------------------------------------------------------===//
3633 // Arithmetic Instructions.
3637 defm ADD : AsI1_bin_irs<0b0100, "add",
3638 IIC_iALUi, IIC_iALUr, IIC_iALUsr, add, 1>;
3639 defm SUB : AsI1_bin_irs<0b0010, "sub",
3640 IIC_iALUi, IIC_iALUr, IIC_iALUsr, sub>;
3642 // ADD and SUB with 's' bit set.
3644 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3645 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3646 // AdjustInstrPostInstrSelection where we determine whether or not to
3647 // set the "s" bit based on CPSR liveness.
3649 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3650 // support for an optional CPSR definition that corresponds to the DAG
3651 // node's second value. We can then eliminate the implicit def of CPSR.
3653 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMaddc, 1>;
3654 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3656 def : ARMPat<(ARMsubs GPR:$Rn, mod_imm:$imm), (SUBSri $Rn, mod_imm:$imm)>;
3657 def : ARMPat<(ARMsubs GPR:$Rn, GPR:$Rm), (SUBSrr $Rn, $Rm)>;
3658 def : ARMPat<(ARMsubs GPR:$Rn, so_reg_imm:$shift),
3659 (SUBSrsi $Rn, so_reg_imm:$shift)>;
3660 def : ARMPat<(ARMsubs GPR:$Rn, so_reg_reg:$shift),
3661 (SUBSrsr $Rn, so_reg_reg:$shift)>;
3665 defm ADC : AI1_adde_sube_irs<0b0101, "adc", ARMadde, 1>;
3666 defm SBC : AI1_adde_sube_irs<0b0110, "sbc", ARMsube>;
3668 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3669 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3672 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3673 // CPSR and the implicit def of CPSR is not needed.
3674 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3676 defm RSC : AI1_rsc_irs<0b0111, "rsc", ARMsube>;
3678 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3679 // The assume-no-carry-in form uses the negation of the input since add/sub
3680 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3681 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3683 def : ARMPat<(add GPR:$src, mod_imm_neg:$imm),
3684 (SUBri GPR:$src, mod_imm_neg:$imm)>;
3685 def : ARMPat<(ARMaddc GPR:$src, mod_imm_neg:$imm),
3686 (SUBSri GPR:$src, mod_imm_neg:$imm)>;
3688 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3689 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3690 Requires<[IsARM, HasV6T2]>;
3691 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3692 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3693 Requires<[IsARM, HasV6T2]>;
3695 // The with-carry-in form matches bitwise not instead of the negation.
3696 // Effectively, the inverse interpretation of the carry flag already accounts
3697 // for part of the negation.
3698 def : ARMPat<(ARMadde GPR:$src, mod_imm_not:$imm, CPSR),
3699 (SBCri GPR:$src, mod_imm_not:$imm)>;
3700 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3701 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>,
3702 Requires<[IsARM, HasV6T2]>;
3704 // Note: These are implemented in C++ code, because they have to generate
3705 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3707 // (mul X, 2^n+1) -> (add (X << n), X)
3708 // (mul X, 2^n-1) -> (rsb X, (X << n))
3710 // ARM Arithmetic Instruction
3711 // GPR:$dst = GPR:$a op GPR:$b
3712 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3713 list<dag> pattern = [],
3714 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3715 string asm = "\t$Rd, $Rn, $Rm">
3716 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3717 Sched<[WriteALU, ReadALU, ReadALU]> {
3721 let Inst{27-20} = op27_20;
3722 let Inst{11-4} = op11_4;
3723 let Inst{19-16} = Rn;
3724 let Inst{15-12} = Rd;
3727 let Unpredictable{11-8} = 0b1111;
3730 // Wrappers around the AAI class
3731 class AAIRevOpr<bits<8> op27_20, bits<8> op11_4, string opc,
3732 list<dag> pattern = []>
3733 : AAI<op27_20, op11_4, opc,
3735 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3738 class AAIIntrinsic<bits<8> op27_20, bits<8> op11_4, string opc,
3739 Intrinsic intrinsic>
3740 : AAI<op27_20, op11_4, opc,
3741 [(set GPRnopc:$Rd, (intrinsic GPRnopc:$Rn, GPRnopc:$Rm))]>;
3743 // Saturating add/subtract
3744 let hasSideEffects = 1 in {
3745 def QADD8 : AAIIntrinsic<0b01100010, 0b11111001, "qadd8", int_arm_qadd8>;
3746 def QADD16 : AAIIntrinsic<0b01100010, 0b11110001, "qadd16", int_arm_qadd16>;
3747 def QSUB16 : AAIIntrinsic<0b01100010, 0b11110111, "qsub16", int_arm_qsub16>;
3748 def QSUB8 : AAIIntrinsic<0b01100010, 0b11111111, "qsub8", int_arm_qsub8>;
3750 def QDADD : AAIRevOpr<0b00010100, 0b00000101, "qdadd",
3751 [(set GPRnopc:$Rd, (int_arm_qadd (int_arm_qadd GPRnopc:$Rm,
3754 def QDSUB : AAIRevOpr<0b00010110, 0b00000101, "qdsub",
3755 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm,
3756 (int_arm_qadd GPRnopc:$Rn, GPRnopc:$Rn)))]>;
3757 def QSUB : AAIRevOpr<0b00010010, 0b00000101, "qsub",
3758 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))]>;
3759 let DecoderMethod = "DecodeQADDInstruction" in
3760 def QADD : AAIRevOpr<0b00010000, 0b00000101, "qadd",
3761 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))]>;
3764 def UQADD16 : AAIIntrinsic<0b01100110, 0b11110001, "uqadd16", int_arm_uqadd16>;
3765 def UQADD8 : AAIIntrinsic<0b01100110, 0b11111001, "uqadd8", int_arm_uqadd8>;
3766 def UQSUB16 : AAIIntrinsic<0b01100110, 0b11110111, "uqsub16", int_arm_uqsub16>;
3767 def UQSUB8 : AAIIntrinsic<0b01100110, 0b11111111, "uqsub8", int_arm_uqsub8>;
3768 def QASX : AAIIntrinsic<0b01100010, 0b11110011, "qasx", int_arm_qasx>;
3769 def QSAX : AAIIntrinsic<0b01100010, 0b11110101, "qsax", int_arm_qsax>;
3770 def UQASX : AAIIntrinsic<0b01100110, 0b11110011, "uqasx", int_arm_uqasx>;
3771 def UQSAX : AAIIntrinsic<0b01100110, 0b11110101, "uqsax", int_arm_uqsax>;
3773 // Signed/Unsigned add/subtract
3775 def SASX : AAIIntrinsic<0b01100001, 0b11110011, "sasx", int_arm_sasx>;
3776 def SADD16 : AAIIntrinsic<0b01100001, 0b11110001, "sadd16", int_arm_sadd16>;
3777 def SADD8 : AAIIntrinsic<0b01100001, 0b11111001, "sadd8", int_arm_sadd8>;
3778 def SSAX : AAIIntrinsic<0b01100001, 0b11110101, "ssax", int_arm_ssax>;
3779 def SSUB16 : AAIIntrinsic<0b01100001, 0b11110111, "ssub16", int_arm_ssub16>;
3780 def SSUB8 : AAIIntrinsic<0b01100001, 0b11111111, "ssub8", int_arm_ssub8>;
3781 def UASX : AAIIntrinsic<0b01100101, 0b11110011, "uasx", int_arm_uasx>;
3782 def UADD16 : AAIIntrinsic<0b01100101, 0b11110001, "uadd16", int_arm_uadd16>;
3783 def UADD8 : AAIIntrinsic<0b01100101, 0b11111001, "uadd8", int_arm_uadd8>;
3784 def USAX : AAIIntrinsic<0b01100101, 0b11110101, "usax", int_arm_usax>;
3785 def USUB16 : AAIIntrinsic<0b01100101, 0b11110111, "usub16", int_arm_usub16>;
3786 def USUB8 : AAIIntrinsic<0b01100101, 0b11111111, "usub8", int_arm_usub8>;
3788 // Signed/Unsigned halving add/subtract
3790 def SHASX : AAIIntrinsic<0b01100011, 0b11110011, "shasx", int_arm_shasx>;
3791 def SHADD16 : AAIIntrinsic<0b01100011, 0b11110001, "shadd16", int_arm_shadd16>;
3792 def SHADD8 : AAIIntrinsic<0b01100011, 0b11111001, "shadd8", int_arm_shadd8>;
3793 def SHSAX : AAIIntrinsic<0b01100011, 0b11110101, "shsax", int_arm_shsax>;
3794 def SHSUB16 : AAIIntrinsic<0b01100011, 0b11110111, "shsub16", int_arm_shsub16>;
3795 def SHSUB8 : AAIIntrinsic<0b01100011, 0b11111111, "shsub8", int_arm_shsub8>;
3796 def UHASX : AAIIntrinsic<0b01100111, 0b11110011, "uhasx", int_arm_uhasx>;
3797 def UHADD16 : AAIIntrinsic<0b01100111, 0b11110001, "uhadd16", int_arm_uhadd16>;
3798 def UHADD8 : AAIIntrinsic<0b01100111, 0b11111001, "uhadd8", int_arm_uhadd8>;
3799 def UHSAX : AAIIntrinsic<0b01100111, 0b11110101, "uhsax", int_arm_uhsax>;
3800 def UHSUB16 : AAIIntrinsic<0b01100111, 0b11110111, "uhsub16", int_arm_uhsub16>;
3801 def UHSUB8 : AAIIntrinsic<0b01100111, 0b11111111, "uhsub8", int_arm_uhsub8>;
3803 // Unsigned Sum of Absolute Differences [and Accumulate].
3805 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3806 MulFrm /* for convenience */, NoItinerary, "usad8",
3808 [(set GPR:$Rd, (int_arm_usad8 GPR:$Rn, GPR:$Rm))]>,
3809 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3813 let Inst{27-20} = 0b01111000;
3814 let Inst{15-12} = 0b1111;
3815 let Inst{7-4} = 0b0001;
3816 let Inst{19-16} = Rd;
3817 let Inst{11-8} = Rm;
3820 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3821 MulFrm /* for convenience */, NoItinerary, "usada8",
3822 "\t$Rd, $Rn, $Rm, $Ra",
3823 [(set GPR:$Rd, (int_arm_usada8 GPR:$Rn, GPR:$Rm, GPR:$Ra))]>,
3824 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3829 let Inst{27-20} = 0b01111000;
3830 let Inst{7-4} = 0b0001;
3831 let Inst{19-16} = Rd;
3832 let Inst{15-12} = Ra;
3833 let Inst{11-8} = Rm;
3837 // Signed/Unsigned saturate
3838 def SSAT : AI<(outs GPRnopc:$Rd),
3839 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3840 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3841 Requires<[IsARM,HasV6]>{
3846 let Inst{27-21} = 0b0110101;
3847 let Inst{5-4} = 0b01;
3848 let Inst{20-16} = sat_imm;
3849 let Inst{15-12} = Rd;
3850 let Inst{11-7} = sh{4-0};
3851 let Inst{6} = sh{5};
3855 def SSAT16 : AI<(outs GPRnopc:$Rd),
3856 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3857 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []>,
3858 Requires<[IsARM,HasV6]>{
3862 let Inst{27-20} = 0b01101010;
3863 let Inst{11-4} = 0b11110011;
3864 let Inst{15-12} = Rd;
3865 let Inst{19-16} = sat_imm;
3869 def USAT : AI<(outs GPRnopc:$Rd),
3870 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3871 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3872 Requires<[IsARM,HasV6]> {
3877 let Inst{27-21} = 0b0110111;
3878 let Inst{5-4} = 0b01;
3879 let Inst{15-12} = Rd;
3880 let Inst{11-7} = sh{4-0};
3881 let Inst{6} = sh{5};
3882 let Inst{20-16} = sat_imm;
3886 def USAT16 : AI<(outs GPRnopc:$Rd),
3887 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3888 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []>,
3889 Requires<[IsARM,HasV6]>{
3893 let Inst{27-20} = 0b01101110;
3894 let Inst{11-4} = 0b11110011;
3895 let Inst{15-12} = Rd;
3896 let Inst{19-16} = sat_imm;
3900 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm1_32:$pos),
3901 (SSAT imm1_32:$pos, GPRnopc:$a, 0)>;
3902 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm0_31:$pos),
3903 (USAT imm0_31:$pos, GPRnopc:$a, 0)>;
3904 def : ARMPat<(ARMssatnoshift GPRnopc:$Rn, imm0_31:$imm),
3905 (SSAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3906 def : ARMPat<(ARMusatnoshift GPRnopc:$Rn, imm0_31:$imm),
3907 (USAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3908 def : ARMV6Pat<(int_arm_ssat16 GPRnopc:$a, imm1_16:$pos),
3909 (SSAT16 imm1_16:$pos, GPRnopc:$a)>;
3910 def : ARMV6Pat<(int_arm_usat16 GPRnopc:$a, imm0_15:$pos),
3911 (USAT16 imm0_15:$pos, GPRnopc:$a)>;
3913 //===----------------------------------------------------------------------===//
3914 // Bitwise Instructions.
3917 defm AND : AsI1_bin_irs<0b0000, "and",
3918 IIC_iBITi, IIC_iBITr, IIC_iBITsr, and, 1>;
3919 defm ORR : AsI1_bin_irs<0b1100, "orr",
3920 IIC_iBITi, IIC_iBITr, IIC_iBITsr, or, 1>;
3921 defm EOR : AsI1_bin_irs<0b0001, "eor",
3922 IIC_iBITi, IIC_iBITr, IIC_iBITsr, xor, 1>;
3923 defm BIC : AsI1_bin_irs<0b1110, "bic",
3924 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3925 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3927 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3928 // like in the actual instruction encoding. The complexity of mapping the mask
3929 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3930 // instruction description.
3931 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3932 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3933 "bfc", "\t$Rd, $imm", "$src = $Rd",
3934 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3935 Requires<[IsARM, HasV6T2]> {
3938 let Inst{27-21} = 0b0111110;
3939 let Inst{6-0} = 0b0011111;
3940 let Inst{15-12} = Rd;
3941 let Inst{11-7} = imm{4-0}; // lsb
3942 let Inst{20-16} = imm{9-5}; // msb
3945 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3946 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3947 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3948 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3949 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3950 bf_inv_mask_imm:$imm))]>,
3951 Requires<[IsARM, HasV6T2]> {
3955 let Inst{27-21} = 0b0111110;
3956 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3957 let Inst{15-12} = Rd;
3958 let Inst{11-7} = imm{4-0}; // lsb
3959 let Inst{20-16} = imm{9-5}; // width
3963 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3964 "mvn", "\t$Rd, $Rm",
3965 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3969 let Inst{19-16} = 0b0000;
3970 let Inst{11-4} = 0b00000000;
3971 let Inst{15-12} = Rd;
3974 let Unpredictable{19-16} = 0b1111;
3976 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3977 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3978 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3983 let Inst{19-16} = 0b0000;
3984 let Inst{15-12} = Rd;
3985 let Inst{11-5} = shift{11-5};
3987 let Inst{3-0} = shift{3-0};
3989 let Unpredictable{19-16} = 0b1111;
3991 def MVNsr : AsI1<0b1111, (outs GPRnopc:$Rd), (ins so_reg_reg:$shift),
3992 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3993 [(set GPRnopc:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3998 let Inst{19-16} = 0b0000;
3999 let Inst{15-12} = Rd;
4000 let Inst{11-8} = shift{11-8};
4002 let Inst{6-5} = shift{6-5};
4004 let Inst{3-0} = shift{3-0};
4006 let Unpredictable{19-16} = 0b1111;
4008 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
4009 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm,
4010 IIC_iMVNi, "mvn", "\t$Rd, $imm",
4011 [(set GPR:$Rd, mod_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
4015 let Inst{19-16} = 0b0000;
4016 let Inst{15-12} = Rd;
4017 let Inst{11-0} = imm;
4020 let AddedComplexity = 1 in
4021 def : ARMPat<(and GPR:$src, mod_imm_not:$imm),
4022 (BICri GPR:$src, mod_imm_not:$imm)>;
4024 //===----------------------------------------------------------------------===//
4025 // Multiply Instructions.
4027 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
4028 string opc, string asm, list<dag> pattern>
4029 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
4033 let Inst{19-16} = Rd;
4034 let Inst{11-8} = Rm;
4037 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
4038 string opc, string asm, list<dag> pattern>
4039 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
4044 let Inst{19-16} = RdHi;
4045 let Inst{15-12} = RdLo;
4046 let Inst{11-8} = Rm;
4049 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
4050 string opc, string asm, list<dag> pattern>
4051 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
4056 let Inst{19-16} = RdHi;
4057 let Inst{15-12} = RdLo;
4058 let Inst{11-8} = Rm;
4062 // FIXME: The v5 pseudos are only necessary for the additional Constraint
4063 // property. Remove them when it's possible to add those properties
4064 // on an individual MachineInstr, not just an instruction description.
4065 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
4066 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
4067 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4068 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
4069 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
4070 Requires<[IsARM, HasV6]>,
4071 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4072 let Inst{15-12} = 0b0000;
4073 let Unpredictable{15-12} = 0b1111;
4076 let Constraints = "@earlyclobber $Rd" in
4077 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
4078 pred:$p, cc_out:$s),
4080 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
4081 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
4082 Requires<[IsARM, NoV6, UseMulOps]>,
4083 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4086 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
4087 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
4088 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
4089 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
4090 Requires<[IsARM, HasV6, UseMulOps]>,
4091 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
4093 let Inst{15-12} = Ra;
4096 let Constraints = "@earlyclobber $Rd" in
4097 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
4098 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
4099 pred:$p, cc_out:$s), 4, IIC_iMAC32,
4100 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
4101 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
4102 Requires<[IsARM, NoV6]>,
4103 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4105 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4106 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
4107 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
4108 Requires<[IsARM, HasV6T2, UseMulOps]>,
4109 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
4114 let Inst{19-16} = Rd;
4115 let Inst{15-12} = Ra;
4116 let Inst{11-8} = Rm;
4120 // Extra precision multiplies with low / high results
4121 let hasSideEffects = 0 in {
4122 let isCommutable = 1 in {
4123 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
4124 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4125 "smull", "\t$RdLo, $RdHi, $Rn, $Rm",
4126 [(set GPR:$RdLo, GPR:$RdHi,
4127 (smullohi GPR:$Rn, GPR:$Rm))]>,
4128 Requires<[IsARM, HasV6]>,
4129 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4131 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
4132 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4133 "umull", "\t$RdLo, $RdHi, $Rn, $Rm",
4134 [(set GPR:$RdLo, GPR:$RdHi,
4135 (umullohi GPR:$Rn, GPR:$Rm))]>,
4136 Requires<[IsARM, HasV6]>,
4137 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL]>;
4139 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
4140 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4141 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4143 [(set GPR:$RdLo, GPR:$RdHi,
4144 (smullohi GPR:$Rn, GPR:$Rm))],
4145 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4146 Requires<[IsARM, NoV6]>,
4147 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4149 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4150 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4152 [(set GPR:$RdLo, GPR:$RdHi,
4153 (umullohi GPR:$Rn, GPR:$Rm))],
4154 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4155 Requires<[IsARM, NoV6]>,
4156 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4160 // Multiply + accumulate
4161 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
4162 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4163 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4164 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4165 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4166 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
4167 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4168 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4169 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4170 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4172 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
4173 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4175 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4176 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4177 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]> {
4182 let Inst{19-16} = RdHi;
4183 let Inst{15-12} = RdLo;
4184 let Inst{11-8} = Rm;
4189 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
4190 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4191 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4193 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4194 pred:$p, cc_out:$s)>,
4195 Requires<[IsARM, NoV6]>,
4196 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4197 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4198 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4200 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4201 pred:$p, cc_out:$s)>,
4202 Requires<[IsARM, NoV6]>,
4203 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4208 // Most significant word multiply
4209 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4210 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
4211 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
4212 Requires<[IsARM, HasV6]>,
4213 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4214 let Inst{15-12} = 0b1111;
4217 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4218 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
4219 [(set GPR:$Rd, (ARMsmmlar GPR:$Rn, GPR:$Rm, (i32 0)))]>,
4220 Requires<[IsARM, HasV6]>,
4221 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4222 let Inst{15-12} = 0b1111;
4225 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
4226 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4227 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
4228 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
4229 Requires<[IsARM, HasV6, UseMulOps]>,
4230 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4232 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
4233 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4234 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
4235 [(set GPR:$Rd, (ARMsmmlar GPR:$Rn, GPR:$Rm, GPR:$Ra))]>,
4236 Requires<[IsARM, HasV6]>,
4237 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4239 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
4240 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4241 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
4242 Requires<[IsARM, HasV6, UseMulOps]>,
4243 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4245 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
4246 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4247 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
4248 [(set GPR:$Rd, (ARMsmmlsr GPR:$Rn, GPR:$Rm, GPR:$Ra))]>,
4249 Requires<[IsARM, HasV6]>,
4250 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4252 multiclass AI_smul<string opc> {
4253 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4254 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
4255 [(set GPR:$Rd, (bb_mul GPR:$Rn, GPR:$Rm))]>,
4256 Requires<[IsARM, HasV5TE]>,
4257 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4259 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4260 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
4261 [(set GPR:$Rd, (bt_mul GPR:$Rn, GPR:$Rm))]>,
4262 Requires<[IsARM, HasV5TE]>,
4263 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4265 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4266 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
4267 [(set GPR:$Rd, (tb_mul GPR:$Rn, GPR:$Rm))]>,
4268 Requires<[IsARM, HasV5TE]>,
4269 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4271 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4272 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
4273 [(set GPR:$Rd, (tt_mul GPR:$Rn, GPR:$Rm))]>,
4274 Requires<[IsARM, HasV5TE]>,
4275 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4277 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4278 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
4279 [(set GPR:$Rd, (ARMsmulwb GPR:$Rn, GPR:$Rm))]>,
4280 Requires<[IsARM, HasV5TE]>,
4281 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4283 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4284 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
4285 [(set GPR:$Rd, (ARMsmulwt GPR:$Rn, GPR:$Rm))]>,
4286 Requires<[IsARM, HasV5TE]>,
4287 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4291 multiclass AI_smla<string opc> {
4292 let DecoderMethod = "DecodeSMLAInstruction" in {
4293 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
4294 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4295 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
4296 [(set GPRnopc:$Rd, (add GPR:$Ra,
4297 (bb_mul GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4298 Requires<[IsARM, HasV5TE, UseMulOps]>,
4299 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4301 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
4302 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4303 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
4304 [(set GPRnopc:$Rd, (add GPR:$Ra,
4305 (bt_mul GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4306 Requires<[IsARM, HasV5TE, UseMulOps]>,
4307 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4309 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
4310 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4311 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
4312 [(set GPRnopc:$Rd, (add GPR:$Ra,
4313 (tb_mul GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4314 Requires<[IsARM, HasV5TE, UseMulOps]>,
4315 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4317 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
4318 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4319 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
4320 [(set GPRnopc:$Rd, (add GPR:$Ra,
4321 (tt_mul GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4322 Requires<[IsARM, HasV5TE, UseMulOps]>,
4323 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4325 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
4326 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4327 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
4329 (add GPR:$Ra, (ARMsmulwb GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4330 Requires<[IsARM, HasV5TE, UseMulOps]>,
4331 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4333 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
4334 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4335 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
4337 (add GPR:$Ra, (ARMsmulwt GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4338 Requires<[IsARM, HasV5TE, UseMulOps]>,
4339 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4343 defm SMUL : AI_smul<"smul">;
4344 defm SMLA : AI_smla<"smla">;
4346 // Halfword multiply accumulate long: SMLAL<x><y>.
4347 class SMLAL<bits<2> opc1, string asm>
4348 : AMulxyI64<0b0001010, opc1,
4349 (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4350 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4351 IIC_iMAC64, asm, "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4352 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4353 Requires<[IsARM, HasV5TE]>,
4354 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4356 def SMLALBB : SMLAL<0b00, "smlalbb">;
4357 def SMLALBT : SMLAL<0b10, "smlalbt">;
4358 def SMLALTB : SMLAL<0b01, "smlaltb">;
4359 def SMLALTT : SMLAL<0b11, "smlaltt">;
4361 def : ARMV5TEPat<(ARMsmlalbb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4362 (SMLALBB $Rn, $Rm, $RLo, $RHi)>;
4363 def : ARMV5TEPat<(ARMsmlalbt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4364 (SMLALBT $Rn, $Rm, $RLo, $RHi)>;
4365 def : ARMV5TEPat<(ARMsmlaltb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4366 (SMLALTB $Rn, $Rm, $RLo, $RHi)>;
4367 def : ARMV5TEPat<(ARMsmlaltt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4368 (SMLALTT $Rn, $Rm, $RLo, $RHi)>;
4370 // Helper class for AI_smld.
4371 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4372 InstrItinClass itin, string opc, string asm>
4373 : AI<oops, iops, MulFrm, itin, opc, asm, []>,
4374 Requires<[IsARM, HasV6]> {
4377 let Inst{27-23} = 0b01110;
4378 let Inst{22} = long;
4379 let Inst{21-20} = 0b00;
4380 let Inst{11-8} = Rm;
4387 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4388 InstrItinClass itin, string opc, string asm>
4389 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4391 let Inst{15-12} = 0b1111;
4392 let Inst{19-16} = Rd;
4394 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4395 InstrItinClass itin, string opc, string asm>
4396 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4399 let Inst{19-16} = Rd;
4400 let Inst{15-12} = Ra;
4402 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4403 InstrItinClass itin, string opc, string asm>
4404 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4407 let Inst{19-16} = RdHi;
4408 let Inst{15-12} = RdLo;
4411 multiclass AI_smld<bit sub, string opc> {
4413 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4414 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4415 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">,
4416 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4418 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4419 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4420 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">,
4421 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4423 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4424 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4426 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">,
4427 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4428 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4430 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4431 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4433 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">,
4434 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4435 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4438 defm SMLA : AI_smld<0, "smla">;
4439 defm SMLS : AI_smld<1, "smls">;
4441 def : ARMV6Pat<(int_arm_smlad GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4442 (SMLAD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4443 def : ARMV6Pat<(int_arm_smladx GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4444 (SMLADX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4445 def : ARMV6Pat<(int_arm_smlsd GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4446 (SMLSD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4447 def : ARMV6Pat<(int_arm_smlsdx GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4448 (SMLSDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4449 def : ARMV6Pat<(ARMSmlald GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4450 (SMLALD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4451 def : ARMV6Pat<(ARMSmlaldx GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4452 (SMLALDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4453 def : ARMV6Pat<(ARMSmlsld GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4454 (SMLSLD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4455 def : ARMV6Pat<(ARMSmlsldx GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4456 (SMLSLDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4458 multiclass AI_sdml<bit sub, string opc> {
4460 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4461 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">,
4462 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4463 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4464 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">,
4465 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4468 defm SMUA : AI_sdml<0, "smua">;
4469 defm SMUS : AI_sdml<1, "smus">;
4471 def : ARMV6Pat<(int_arm_smuad GPRnopc:$Rn, GPRnopc:$Rm),
4472 (SMUAD GPRnopc:$Rn, GPRnopc:$Rm)>;
4473 def : ARMV6Pat<(int_arm_smuadx GPRnopc:$Rn, GPRnopc:$Rm),
4474 (SMUADX GPRnopc:$Rn, GPRnopc:$Rm)>;
4475 def : ARMV6Pat<(int_arm_smusd GPRnopc:$Rn, GPRnopc:$Rm),
4476 (SMUSD GPRnopc:$Rn, GPRnopc:$Rm)>;
4477 def : ARMV6Pat<(int_arm_smusdx GPRnopc:$Rn, GPRnopc:$Rm),
4478 (SMUSDX GPRnopc:$Rn, GPRnopc:$Rm)>;
4480 //===----------------------------------------------------------------------===//
4481 // Division Instructions (ARMv7-A with virtualization extension)
4483 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4484 "sdiv", "\t$Rd, $Rn, $Rm",
4485 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4486 Requires<[IsARM, HasDivideInARM]>,
4489 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4490 "udiv", "\t$Rd, $Rn, $Rm",
4491 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4492 Requires<[IsARM, HasDivideInARM]>,
4495 //===----------------------------------------------------------------------===//
4496 // Misc. Arithmetic Instructions.
4499 def CLZ : AMiscA1I<0b00010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4500 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4501 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4504 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4505 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4506 [(set GPR:$Rd, (bitreverse GPR:$Rm))]>,
4507 Requires<[IsARM, HasV6T2]>,
4510 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4511 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4512 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4515 let AddedComplexity = 5 in
4516 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4517 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4518 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4519 Requires<[IsARM, HasV6]>,
4522 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4523 (REV16 (LDRH addrmode3:$addr))>;
4524 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4525 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4527 let AddedComplexity = 5 in
4528 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4529 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4530 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4531 Requires<[IsARM, HasV6]>,
4534 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4535 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4538 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4539 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4540 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4541 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4542 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4544 Requires<[IsARM, HasV6]>,
4545 Sched<[WriteALUsi, ReadALU]>;
4547 // Alternate cases for PKHBT where identities eliminate some nodes.
4548 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4549 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4550 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4551 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4553 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4554 // will match the pattern below.
4555 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4556 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4557 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4558 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4559 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4561 Requires<[IsARM, HasV6]>,
4562 Sched<[WriteALUsi, ReadALU]>;
4564 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4565 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4566 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4567 // pkhtb src1, src2, asr (17..31).
4568 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4569 (srl GPRnopc:$src2, imm16:$sh)),
4570 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4571 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4572 (sra GPRnopc:$src2, imm16_31:$sh)),
4573 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4574 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4575 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4576 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4578 //===----------------------------------------------------------------------===//
4582 // + CRC32{B,H,W} 0x04C11DB7
4583 // + CRC32C{B,H,W} 0x1EDC6F41
4586 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4587 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4588 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4589 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4590 Requires<[IsARM, HasV8, HasCRC]> {
4595 let Inst{31-28} = 0b1110;
4596 let Inst{27-23} = 0b00010;
4597 let Inst{22-21} = sz;
4599 let Inst{19-16} = Rn;
4600 let Inst{15-12} = Rd;
4601 let Inst{11-10} = 0b00;
4604 let Inst{7-4} = 0b0100;
4607 let Unpredictable{11-8} = 0b1101;
4610 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4611 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4612 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4613 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4614 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4615 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4617 //===----------------------------------------------------------------------===//
4618 // ARMv8.1a Privilege Access Never extension
4622 def SETPAN : AInoP<(outs), (ins imm0_1:$imm), MiscFrm, NoItinerary, "setpan",
4623 "\t$imm", []>, Requires<[IsARM, HasV8, HasV8_1a]> {
4626 let Inst{31-28} = 0b1111;
4627 let Inst{27-20} = 0b00010001;
4628 let Inst{19-16} = 0b0000;
4629 let Inst{15-10} = 0b000000;
4632 let Inst{7-4} = 0b0000;
4633 let Inst{3-0} = 0b0000;
4635 let Unpredictable{19-16} = 0b1111;
4636 let Unpredictable{15-10} = 0b111111;
4637 let Unpredictable{8} = 0b1;
4638 let Unpredictable{3-0} = 0b1111;
4641 //===----------------------------------------------------------------------===//
4642 // Comparison Instructions...
4645 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4646 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, ARMcmp>;
4648 // ARMcmpZ can re-use the above instruction definitions.
4649 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm:$imm),
4650 (CMPri GPR:$src, mod_imm:$imm)>;
4651 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4652 (CMPrr GPR:$src, GPR:$rhs)>;
4653 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4654 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4655 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4656 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4658 // CMN register-integer
4659 let isCompare = 1, Defs = [CPSR] in {
4660 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, IIC_iCMPi,
4661 "cmn", "\t$Rn, $imm",
4662 [(ARMcmn GPR:$Rn, mod_imm:$imm)]>,
4663 Sched<[WriteCMP, ReadALU]> {
4668 let Inst{19-16} = Rn;
4669 let Inst{15-12} = 0b0000;
4670 let Inst{11-0} = imm;
4672 let Unpredictable{15-12} = 0b1111;
4675 // CMN register-register/shift
4676 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4677 "cmn", "\t$Rn, $Rm",
4678 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4679 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4682 let isCommutable = 1;
4685 let Inst{19-16} = Rn;
4686 let Inst{15-12} = 0b0000;
4687 let Inst{11-4} = 0b00000000;
4690 let Unpredictable{15-12} = 0b1111;
4693 def CMNzrsi : AI1<0b1011, (outs),
4694 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4695 "cmn", "\t$Rn, $shift",
4696 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4697 GPR:$Rn, so_reg_imm:$shift)]>,
4698 Sched<[WriteCMPsi, ReadALU]> {
4703 let Inst{19-16} = Rn;
4704 let Inst{15-12} = 0b0000;
4705 let Inst{11-5} = shift{11-5};
4707 let Inst{3-0} = shift{3-0};
4709 let Unpredictable{15-12} = 0b1111;
4712 def CMNzrsr : AI1<0b1011, (outs),
4713 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4714 "cmn", "\t$Rn, $shift",
4715 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4716 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4717 Sched<[WriteCMPsr, ReadALU]> {
4722 let Inst{19-16} = Rn;
4723 let Inst{15-12} = 0b0000;
4724 let Inst{11-8} = shift{11-8};
4726 let Inst{6-5} = shift{6-5};
4728 let Inst{3-0} = shift{3-0};
4730 let Unpredictable{15-12} = 0b1111;
4735 def : ARMPat<(ARMcmp GPR:$src, mod_imm_neg:$imm),
4736 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4738 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm_neg:$imm),
4739 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4741 // Note that TST/TEQ don't set all the same flags that CMP does!
4742 defm TST : AI1_cmp_irs<0b1000, "tst",
4743 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4744 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1,
4745 "DecodeTSTInstruction">;
4746 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4747 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4748 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4750 // Pseudo i64 compares for some floating point compares.
4751 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4753 def BCCi64 : PseudoInst<(outs),
4754 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4756 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4759 def BCCZi64 : PseudoInst<(outs),
4760 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4761 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4763 } // usesCustomInserter
4766 // Conditional moves
4767 let hasSideEffects = 0 in {
4769 let isCommutable = 1, isSelect = 1 in
4770 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4771 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4773 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4775 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4777 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4778 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4781 (ARMcmov GPR:$false, so_reg_imm:$shift,
4783 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4784 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4785 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4787 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4789 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4792 let isMoveImm = 1 in
4794 : ARMPseudoInst<(outs GPR:$Rd),
4795 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4797 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4799 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4802 let isMoveImm = 1 in
4803 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4804 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4806 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm:$imm,
4808 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4810 // Two instruction predicate mov immediate.
4811 let isMoveImm = 1 in
4813 : ARMPseudoInst<(outs GPR:$Rd),
4814 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4816 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4818 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4820 let isMoveImm = 1 in
4821 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4822 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4824 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm_not:$imm,
4826 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4831 //===----------------------------------------------------------------------===//
4832 // Atomic operations intrinsics
4835 def MemBarrierOptOperand : AsmOperandClass {
4836 let Name = "MemBarrierOpt";
4837 let ParserMethod = "parseMemBarrierOptOperand";
4839 def memb_opt : Operand<i32> {
4840 let PrintMethod = "printMemBOption";
4841 let ParserMatchClass = MemBarrierOptOperand;
4842 let DecoderMethod = "DecodeMemBarrierOption";
4845 def InstSyncBarrierOptOperand : AsmOperandClass {
4846 let Name = "InstSyncBarrierOpt";
4847 let ParserMethod = "parseInstSyncBarrierOptOperand";
4849 def instsyncb_opt : Operand<i32> {
4850 let PrintMethod = "printInstSyncBOption";
4851 let ParserMatchClass = InstSyncBarrierOptOperand;
4852 let DecoderMethod = "DecodeInstSyncBarrierOption";
4855 def TraceSyncBarrierOptOperand : AsmOperandClass {
4856 let Name = "TraceSyncBarrierOpt";
4857 let ParserMethod = "parseTraceSyncBarrierOptOperand";
4859 def tsb_opt : Operand<i32> {
4860 let PrintMethod = "printTraceSyncBOption";
4861 let ParserMatchClass = TraceSyncBarrierOptOperand;
4864 // Memory barriers protect the atomic sequences
4865 let hasSideEffects = 1 in {
4866 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4867 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4868 Requires<[IsARM, HasDB]> {
4870 let Inst{31-4} = 0xf57ff05;
4871 let Inst{3-0} = opt;
4874 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4875 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4876 Requires<[IsARM, HasDB]> {
4878 let Inst{31-4} = 0xf57ff04;
4879 let Inst{3-0} = opt;
4882 // ISB has only full system option
4883 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4884 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4885 Requires<[IsARM, HasDB]> {
4887 let Inst{31-4} = 0xf57ff06;
4888 let Inst{3-0} = opt;
4891 let hasNoSchedulingInfo = 1 in
4892 def TSB : AInoP<(outs), (ins tsb_opt:$opt), MiscFrm, NoItinerary,
4893 "tsb", "\t$opt", []>, Requires<[IsARM, HasV8_4a]> {
4894 let Inst{31-0} = 0xe320f012;
4899 // Armv8.5-A speculation barrier
4900 def SB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "sb", "", []>,
4901 Requires<[IsARM, HasSB]>, Sched<[]> {
4902 let Inst{31-0} = 0xf57ff070;
4903 let Unpredictable = 0x000fff0f;
4904 let hasSideEffects = 1;
4907 let usesCustomInserter = 1, Defs = [CPSR] in {
4909 // Pseudo instruction that combines movs + predicated rsbmi
4910 // to implement integer ABS
4911 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4914 let usesCustomInserter = 1, Defs = [CPSR] in {
4915 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4916 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4918 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4921 let hasPostISelHook = 1, Constraints = "$newdst = $dst, $newsrc = $src" in {
4922 // %newsrc, %newdst = MEMCPY %dst, %src, N, ...N scratch regs...
4923 // Copies N registers worth of memory from address %src to address %dst
4924 // and returns the incremented addresses. N scratch register will
4925 // be attached for the copy to use.
4926 def MEMCPY : PseudoInst<
4927 (outs GPR:$newdst, GPR:$newsrc),
4928 (ins GPR:$dst, GPR:$src, i32imm:$nreg, variable_ops),
4930 [(set GPR:$newdst, GPR:$newsrc,
4931 (ARMmemcopy GPR:$dst, GPR:$src, imm:$nreg))]>;
4934 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4935 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4938 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4939 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4942 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4943 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4946 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4947 (int_arm_strex node:$val, node:$ptr), [{
4948 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4951 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4952 (int_arm_strex node:$val, node:$ptr), [{
4953 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4956 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4957 (int_arm_strex node:$val, node:$ptr), [{
4958 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4961 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4962 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4965 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4966 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4969 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4970 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4973 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4974 (int_arm_stlex node:$val, node:$ptr), [{
4975 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4978 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4979 (int_arm_stlex node:$val, node:$ptr), [{
4980 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4983 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4984 (int_arm_stlex node:$val, node:$ptr), [{
4985 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4988 let mayLoad = 1 in {
4989 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4990 NoItinerary, "ldrexb", "\t$Rt, $addr",
4991 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4992 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4993 NoItinerary, "ldrexh", "\t$Rt, $addr",
4994 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4995 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4996 NoItinerary, "ldrex", "\t$Rt, $addr",
4997 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4998 let hasExtraDefRegAllocReq = 1 in
4999 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
5000 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
5001 let DecoderMethod = "DecodeDoubleRegLoad";
5004 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
5005 NoItinerary, "ldaexb", "\t$Rt, $addr",
5006 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
5007 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
5008 NoItinerary, "ldaexh", "\t$Rt, $addr",
5009 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
5010 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
5011 NoItinerary, "ldaex", "\t$Rt, $addr",
5012 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
5013 let hasExtraDefRegAllocReq = 1 in
5014 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
5015 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
5016 let DecoderMethod = "DecodeDoubleRegLoad";
5020 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
5021 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
5022 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
5023 [(set GPR:$Rd, (strex_1 GPR:$Rt,
5024 addr_offset_none:$addr))]>;
5025 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
5026 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
5027 [(set GPR:$Rd, (strex_2 GPR:$Rt,
5028 addr_offset_none:$addr))]>;
5029 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
5030 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
5031 [(set GPR:$Rd, (strex_4 GPR:$Rt,
5032 addr_offset_none:$addr))]>;
5033 let hasExtraSrcRegAllocReq = 1 in
5034 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
5035 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
5036 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
5037 let DecoderMethod = "DecodeDoubleRegStore";
5039 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
5040 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
5042 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
5043 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
5044 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
5046 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
5047 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
5048 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
5050 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
5051 let hasExtraSrcRegAllocReq = 1 in
5052 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
5053 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
5054 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
5055 let DecoderMethod = "DecodeDoubleRegStore";
5059 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
5061 Requires<[IsARM, HasV6K]> {
5062 let Inst{31-0} = 0b11110101011111111111000000011111;
5065 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
5066 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
5067 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
5068 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
5070 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
5071 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
5072 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
5073 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
5075 class acquiring_load<PatFrag base>
5076 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
5077 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
5078 return isAcquireOrStronger(Ordering);
5081 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
5082 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
5083 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
5085 class releasing_store<PatFrag base>
5086 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
5087 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
5088 return isReleaseOrStronger(Ordering);
5091 def atomic_store_release_8 : releasing_store<atomic_store_8>;
5092 def atomic_store_release_16 : releasing_store<atomic_store_16>;
5093 def atomic_store_release_32 : releasing_store<atomic_store_32>;
5095 let AddedComplexity = 8 in {
5096 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
5097 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
5098 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
5099 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
5100 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
5101 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
5104 // SWP/SWPB are deprecated in V6/V7 and optional in v7VE.
5105 // FIXME Use InstAlias to generate LDREX/STREX pairs instead.
5106 let mayLoad = 1, mayStore = 1 in {
5107 def SWP : AIswp<0, (outs GPRnopc:$Rt),
5108 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
5109 Requires<[IsARM,PreV8]>;
5110 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
5111 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
5112 Requires<[IsARM,PreV8]>;
5115 //===----------------------------------------------------------------------===//
5116 // Coprocessor Instructions.
5119 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5120 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
5121 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
5122 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
5123 imm:$CRm, imm:$opc2)]>,
5124 Requires<[IsARM,PreV8]> {
5132 let Inst{3-0} = CRm;
5134 let Inst{7-5} = opc2;
5135 let Inst{11-8} = cop;
5136 let Inst{15-12} = CRd;
5137 let Inst{19-16} = CRn;
5138 let Inst{23-20} = opc1;
5140 let DecoderNamespace = "CoProc";
5143 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5144 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
5145 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
5146 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
5147 imm:$CRm, imm:$opc2)]>,
5148 Requires<[IsARM,PreV8]> {
5149 let Inst{31-28} = 0b1111;
5157 let Inst{3-0} = CRm;
5159 let Inst{7-5} = opc2;
5160 let Inst{11-8} = cop;
5161 let Inst{15-12} = CRd;
5162 let Inst{19-16} = CRn;
5163 let Inst{23-20} = opc1;
5165 let DecoderNamespace = "CoProc";
5168 class ACI<dag oops, dag iops, string opc, string asm,
5169 list<dag> pattern, IndexMode im = IndexModeNone>
5170 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5171 opc, asm, "", pattern> {
5172 let Inst{27-25} = 0b110;
5174 class ACInoP<dag oops, dag iops, string opc, string asm,
5175 list<dag> pattern, IndexMode im = IndexModeNone>
5176 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5177 opc, asm, "", pattern> {
5178 let Inst{31-28} = 0b1111;
5179 let Inst{27-25} = 0b110;
5182 let DecoderNamespace = "CoProc" in {
5183 multiclass LdStCop<bit load, bit Dbit, string asm, list<dag> pattern> {
5184 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5185 asm, "\t$cop, $CRd, $addr", pattern> {
5189 let Inst{24} = 1; // P = 1
5190 let Inst{23} = addr{8};
5191 let Inst{22} = Dbit;
5192 let Inst{21} = 0; // W = 0
5193 let Inst{20} = load;
5194 let Inst{19-16} = addr{12-9};
5195 let Inst{15-12} = CRd;
5196 let Inst{11-8} = cop;
5197 let Inst{7-0} = addr{7-0};
5198 let DecoderMethod = "DecodeCopMemInstruction";
5200 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5201 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5205 let Inst{24} = 1; // P = 1
5206 let Inst{23} = addr{8};
5207 let Inst{22} = Dbit;
5208 let Inst{21} = 1; // W = 1
5209 let Inst{20} = load;
5210 let Inst{19-16} = addr{12-9};
5211 let Inst{15-12} = CRd;
5212 let Inst{11-8} = cop;
5213 let Inst{7-0} = addr{7-0};
5214 let DecoderMethod = "DecodeCopMemInstruction";
5216 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5217 postidx_imm8s4:$offset),
5218 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5223 let Inst{24} = 0; // P = 0
5224 let Inst{23} = offset{8};
5225 let Inst{22} = Dbit;
5226 let Inst{21} = 1; // W = 1
5227 let Inst{20} = load;
5228 let Inst{19-16} = addr;
5229 let Inst{15-12} = CRd;
5230 let Inst{11-8} = cop;
5231 let Inst{7-0} = offset{7-0};
5232 let DecoderMethod = "DecodeCopMemInstruction";
5234 def _OPTION : ACI<(outs),
5235 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5236 coproc_option_imm:$option),
5237 asm, "\t$cop, $CRd, $addr, $option", []> {
5242 let Inst{24} = 0; // P = 0
5243 let Inst{23} = 1; // U = 1
5244 let Inst{22} = Dbit;
5245 let Inst{21} = 0; // W = 0
5246 let Inst{20} = load;
5247 let Inst{19-16} = addr;
5248 let Inst{15-12} = CRd;
5249 let Inst{11-8} = cop;
5250 let Inst{7-0} = option;
5251 let DecoderMethod = "DecodeCopMemInstruction";
5254 multiclass LdSt2Cop<bit load, bit Dbit, string asm, list<dag> pattern> {
5255 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5256 asm, "\t$cop, $CRd, $addr", pattern> {
5260 let Inst{24} = 1; // P = 1
5261 let Inst{23} = addr{8};
5262 let Inst{22} = Dbit;
5263 let Inst{21} = 0; // W = 0
5264 let Inst{20} = load;
5265 let Inst{19-16} = addr{12-9};
5266 let Inst{15-12} = CRd;
5267 let Inst{11-8} = cop;
5268 let Inst{7-0} = addr{7-0};
5269 let DecoderMethod = "DecodeCopMemInstruction";
5271 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5272 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5276 let Inst{24} = 1; // P = 1
5277 let Inst{23} = addr{8};
5278 let Inst{22} = Dbit;
5279 let Inst{21} = 1; // W = 1
5280 let Inst{20} = load;
5281 let Inst{19-16} = addr{12-9};
5282 let Inst{15-12} = CRd;
5283 let Inst{11-8} = cop;
5284 let Inst{7-0} = addr{7-0};
5285 let DecoderMethod = "DecodeCopMemInstruction";
5287 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5288 postidx_imm8s4:$offset),
5289 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5294 let Inst{24} = 0; // P = 0
5295 let Inst{23} = offset{8};
5296 let Inst{22} = Dbit;
5297 let Inst{21} = 1; // W = 1
5298 let Inst{20} = load;
5299 let Inst{19-16} = addr;
5300 let Inst{15-12} = CRd;
5301 let Inst{11-8} = cop;
5302 let Inst{7-0} = offset{7-0};
5303 let DecoderMethod = "DecodeCopMemInstruction";
5305 def _OPTION : ACInoP<(outs),
5306 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5307 coproc_option_imm:$option),
5308 asm, "\t$cop, $CRd, $addr, $option", []> {
5313 let Inst{24} = 0; // P = 0
5314 let Inst{23} = 1; // U = 1
5315 let Inst{22} = Dbit;
5316 let Inst{21} = 0; // W = 0
5317 let Inst{20} = load;
5318 let Inst{19-16} = addr;
5319 let Inst{15-12} = CRd;
5320 let Inst{11-8} = cop;
5321 let Inst{7-0} = option;
5322 let DecoderMethod = "DecodeCopMemInstruction";
5326 defm LDC : LdStCop <1, 0, "ldc", [(int_arm_ldc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5327 defm LDCL : LdStCop <1, 1, "ldcl", [(int_arm_ldcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5328 defm LDC2 : LdSt2Cop<1, 0, "ldc2", [(int_arm_ldc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5329 defm LDC2L : LdSt2Cop<1, 1, "ldc2l", [(int_arm_ldc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5331 defm STC : LdStCop <0, 0, "stc", [(int_arm_stc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5332 defm STCL : LdStCop <0, 1, "stcl", [(int_arm_stcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5333 defm STC2 : LdSt2Cop<0, 0, "stc2", [(int_arm_stc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5334 defm STC2L : LdSt2Cop<0, 1, "stc2l", [(int_arm_stc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5336 } // DecoderNamespace = "CoProc"
5338 //===----------------------------------------------------------------------===//
5339 // Move between coprocessor and ARM core register.
5342 class MovRCopro<string opc, bit direction, dag oops, dag iops,
5344 : ABI<0b1110, oops, iops, NoItinerary, opc,
5345 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
5346 let Inst{20} = direction;
5356 let Inst{15-12} = Rt;
5357 let Inst{11-8} = cop;
5358 let Inst{23-21} = opc1;
5359 let Inst{7-5} = opc2;
5360 let Inst{3-0} = CRm;
5361 let Inst{19-16} = CRn;
5363 let DecoderNamespace = "CoProc";
5366 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
5368 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5369 c_imm:$CRm, imm0_7:$opc2),
5370 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5371 imm:$CRm, imm:$opc2)]>,
5372 ComplexDeprecationPredicate<"MCR">;
5373 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
5374 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5375 c_imm:$CRm, 0, pred:$p)>;
5376 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
5377 (outs GPRwithAPSR:$Rt),
5378 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5380 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
5381 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5382 c_imm:$CRm, 0, pred:$p)>;
5384 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
5385 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5387 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5389 : ABXI<0b1110, oops, iops, NoItinerary,
5390 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5391 let Inst{31-24} = 0b11111110;
5392 let Inst{20} = direction;
5402 let Inst{15-12} = Rt;
5403 let Inst{11-8} = cop;
5404 let Inst{23-21} = opc1;
5405 let Inst{7-5} = opc2;
5406 let Inst{3-0} = CRm;
5407 let Inst{19-16} = CRn;
5409 let DecoderNamespace = "CoProc";
5412 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5414 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5415 c_imm:$CRm, imm0_7:$opc2),
5416 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5417 imm:$CRm, imm:$opc2)]>,
5418 Requires<[IsARM,PreV8]>;
5419 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
5420 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5422 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5423 (outs GPRwithAPSR:$Rt),
5424 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5426 Requires<[IsARM,PreV8]>;
5427 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
5428 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5431 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5432 imm:$CRm, imm:$opc2),
5433 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5435 class MovRRCopro<string opc, bit direction, dag oops, dag iops, list<dag>
5437 : ABI<0b1100, oops, iops, NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
5440 let Inst{23-21} = 0b010;
5441 let Inst{20} = direction;
5449 let Inst{15-12} = Rt;
5450 let Inst{19-16} = Rt2;
5451 let Inst{11-8} = cop;
5452 let Inst{7-4} = opc1;
5453 let Inst{3-0} = CRm;
5456 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5457 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5458 GPRnopc:$Rt2, c_imm:$CRm),
5459 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5460 GPRnopc:$Rt2, imm:$CRm)]>;
5461 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */,
5462 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5463 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5465 class MovRRCopro2<string opc, bit direction, dag oops, dag iops,
5466 list<dag> pattern = []>
5467 : ABXI<0b1100, oops, iops, NoItinerary,
5468 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5469 Requires<[IsARM,PreV8]> {
5470 let Inst{31-28} = 0b1111;
5471 let Inst{23-21} = 0b010;
5472 let Inst{20} = direction;
5480 let Inst{15-12} = Rt;
5481 let Inst{19-16} = Rt2;
5482 let Inst{11-8} = cop;
5483 let Inst{7-4} = opc1;
5484 let Inst{3-0} = CRm;
5486 let DecoderMethod = "DecoderForMRRC2AndMCRR2";
5489 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5490 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5491 GPRnopc:$Rt2, c_imm:$CRm),
5492 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5493 GPRnopc:$Rt2, imm:$CRm)]>;
5495 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */,
5496 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5497 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5499 //===----------------------------------------------------------------------===//
5500 // Move between special register and ARM core register
5503 // Move to ARM core register from Special Register
5504 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5505 "mrs", "\t$Rd, apsr", []> {
5507 let Inst{23-16} = 0b00001111;
5508 let Unpredictable{19-17} = 0b111;
5510 let Inst{15-12} = Rd;
5512 let Inst{11-0} = 0b000000000000;
5513 let Unpredictable{11-0} = 0b110100001111;
5516 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p), 0>,
5519 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5520 // section B9.3.9, with the R bit set to 1.
5521 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5522 "mrs", "\t$Rd, spsr", []> {
5524 let Inst{23-16} = 0b01001111;
5525 let Unpredictable{19-16} = 0b1111;
5527 let Inst{15-12} = Rd;
5529 let Inst{11-0} = 0b000000000000;
5530 let Unpredictable{11-0} = 0b110100001111;
5533 // However, the MRS (banked register) system instruction (ARMv7VE) *does* have a
5534 // separate encoding (distinguished by bit 5.
5535 def MRSbanked : ABI<0b0001, (outs GPRnopc:$Rd), (ins banked_reg:$banked),
5536 NoItinerary, "mrs", "\t$Rd, $banked", []>,
5537 Requires<[IsARM, HasVirtualization]> {
5542 let Inst{22} = banked{5}; // R bit
5543 let Inst{21-20} = 0b00;
5544 let Inst{19-16} = banked{3-0};
5545 let Inst{15-12} = Rd;
5546 let Inst{11-9} = 0b001;
5547 let Inst{8} = banked{4};
5548 let Inst{7-0} = 0b00000000;
5551 // Move from ARM core register to Special Register
5553 // No need to have both system and application versions of MSR (immediate) or
5554 // MSR (register), the encodings are the same and the assembly parser has no way
5555 // to distinguish between them. The mask operand contains the special register
5556 // (R Bit) in bit 4 and bits 3-0 contains the mask with the fields to be
5557 // accessed in the special register.
5558 let Defs = [CPSR] in
5559 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5560 "msr", "\t$mask, $Rn", []> {
5565 let Inst{22} = mask{4}; // R bit
5566 let Inst{21-20} = 0b10;
5567 let Inst{19-16} = mask{3-0};
5568 let Inst{15-12} = 0b1111;
5569 let Inst{11-4} = 0b00000000;
5573 let Defs = [CPSR] in
5574 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, mod_imm:$imm), NoItinerary,
5575 "msr", "\t$mask, $imm", []> {
5580 let Inst{22} = mask{4}; // R bit
5581 let Inst{21-20} = 0b10;
5582 let Inst{19-16} = mask{3-0};
5583 let Inst{15-12} = 0b1111;
5584 let Inst{11-0} = imm;
5587 // However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
5588 // separate encoding (distinguished by bit 5.
5589 def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
5590 NoItinerary, "msr", "\t$banked, $Rn", []>,
5591 Requires<[IsARM, HasVirtualization]> {
5596 let Inst{22} = banked{5}; // R bit
5597 let Inst{21-20} = 0b10;
5598 let Inst{19-16} = banked{3-0};
5599 let Inst{15-12} = 0b1111;
5600 let Inst{11-9} = 0b001;
5601 let Inst{8} = banked{4};
5602 let Inst{7-4} = 0b0000;
5606 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5607 // are needed to probe the stack when allocating more than
5608 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5609 // ensure that the guard pages used by the OS virtual memory manager are
5610 // allocated in correct sequence.
5611 // The main point of having separate instruction are extra unmodelled effects
5612 // (compared to ordinary calls) like stack pointer change.
5614 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5615 [SDNPHasChain, SDNPSideEffect]>;
5616 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5617 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5619 def win__dbzchk : SDNode<"ARMISD::WIN__DBZCHK", SDT_WIN__DBZCHK,
5620 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
5621 let usesCustomInserter = 1, Defs = [CPSR] in
5622 def WIN__DBZCHK : PseudoInst<(outs), (ins tGPR:$divisor), NoItinerary,
5623 [(win__dbzchk tGPR:$divisor)]>;
5625 //===----------------------------------------------------------------------===//
5629 // __aeabi_read_tp preserves the registers r1-r3.
5630 // This is a pseudo inst so that we can get the encoding right,
5631 // complete with fixup for the aeabi_read_tp function.
5632 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5633 // is defined in "ARMInstrThumb.td".
5635 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5636 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5637 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>,
5638 Requires<[IsARM, IsReadTPSoft]>;
5641 // Reading thread pointer from coprocessor register
5642 def : ARMPat<(ARMthread_pointer), (MRC 15, 0, 13, 0, 3)>,
5643 Requires<[IsARM, IsReadTPHard]>;
5645 //===----------------------------------------------------------------------===//
5646 // SJLJ Exception handling intrinsics
5647 // eh_sjlj_setjmp() is an instruction sequence to store the return
5648 // address and save #0 in R0 for the non-longjmp case.
5649 // Since by its nature we may be coming from some other function to get
5650 // here, and we're using the stack frame for the containing function to
5651 // save/restore registers, we can't keep anything live in regs across
5652 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5653 // when we get here from a longjmp(). We force everything out of registers
5654 // except for our own input by listing the relevant registers in Defs. By
5655 // doing so, we also cause the prologue/epilogue code to actively preserve
5656 // all of the callee-saved resgisters, which is exactly what we want.
5657 // A constant value is passed in $val, and we use the location as a scratch.
5659 // These are pseudo-instructions and are lowered to individual MC-insts, so
5660 // no encoding information is necessary.
5662 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5663 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5664 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5665 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5667 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5668 Requires<[IsARM, HasVFP2]>;
5672 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5673 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5674 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5676 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5677 Requires<[IsARM, NoVFP]>;
5680 // FIXME: Non-IOS version(s)
5681 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5682 Defs = [ R7, LR, SP ] in {
5683 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5685 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5689 let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1 in
5690 def Int_eh_sjlj_setup_dispatch : PseudoInst<(outs), (ins), NoItinerary,
5691 [(ARMeh_sjlj_setup_dispatch)]>;
5693 // eh.sjlj.dispatchsetup pseudo-instruction.
5694 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5695 // the pseudo is expanded (which happens before any passes that need the
5696 // instruction size).
5697 let isBarrier = 1 in
5698 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5701 //===----------------------------------------------------------------------===//
5702 // Non-Instruction Patterns
5705 // ARMv4 indirect branch using (MOVr PC, dst)
5706 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5707 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5708 4, IIC_Br, [(brind GPR:$dst)],
5709 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5710 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5712 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in
5713 def TAILJMPr4 : ARMPseudoExpand<(outs), (ins GPR:$dst),
5715 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5716 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5718 // Large immediate handling.
5720 // 32-bit immediate using two piece mod_imms or movw + movt.
5721 // This is a single pseudo instruction, the benefit is that it can be remat'd
5722 // as a single unit instead of having to handle reg inputs.
5723 // FIXME: Remove this when we can do generalized remat.
5724 let isReMaterializable = 1, isMoveImm = 1 in
5725 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5726 [(set GPR:$dst, (arm_i32imm:$src))]>,
5729 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5730 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5731 Requires<[IsARM, DontUseMovt]>;
5733 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5734 // It also makes it possible to rematerialize the instructions.
5735 // FIXME: Remove this when we can do generalized remat and when machine licm
5736 // can properly the instructions.
5737 let isReMaterializable = 1 in {
5738 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5740 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5741 Requires<[IsARM, UseMovtInPic]>;
5743 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5746 (ARMWrapperPIC tglobaladdr:$addr))]>,
5747 Requires<[IsARM, DontUseMovtInPic]>;
5749 let AddedComplexity = 10 in
5750 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5753 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5754 Requires<[IsARM, DontUseMovtInPic]>;
5756 let AddedComplexity = 10 in
5757 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5759 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5760 Requires<[IsARM, UseMovtInPic]>;
5761 } // isReMaterializable
5763 // The many different faces of TLS access.
5764 def : ARMPat<(ARMWrapper tglobaltlsaddr :$dst),
5765 (MOVi32imm tglobaltlsaddr :$dst)>,
5766 Requires<[IsARM, UseMovt]>;
5768 def : Pat<(ARMWrapper tglobaltlsaddr:$src),
5769 (LDRLIT_ga_abs tglobaltlsaddr:$src)>,
5770 Requires<[IsARM, DontUseMovt]>;
5772 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5773 (MOV_ga_pcrel tglobaltlsaddr:$addr)>, Requires<[IsARM, UseMovtInPic]>;
5775 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5776 (LDRLIT_ga_pcrel tglobaltlsaddr:$addr)>,
5777 Requires<[IsARM, DontUseMovtInPic]>;
5778 let AddedComplexity = 10 in
5779 def : Pat<(load (ARMWrapperPIC tglobaltlsaddr:$addr)),
5780 (MOV_ga_pcrel_ldr tglobaltlsaddr:$addr)>,
5781 Requires<[IsARM, UseMovtInPic]>;
5784 // ConstantPool, GlobalAddress, and JumpTable
5785 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5786 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5787 Requires<[IsARM, UseMovt]>;
5788 def : ARMPat<(ARMWrapper texternalsym :$dst), (MOVi32imm texternalsym :$dst)>,
5789 Requires<[IsARM, UseMovt]>;
5790 def : ARMPat<(ARMWrapperJT tjumptable:$dst),
5791 (LEApcrelJT tjumptable:$dst)>;
5793 // TODO: add,sub,and, 3-instr forms?
5795 // Tail calls. These patterns also apply to Thumb mode.
5796 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5797 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5798 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5801 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5802 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5803 (BMOVPCB_CALL texternalsym:$func)>;
5805 // zextload i1 -> zextload i8
5806 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5807 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5809 // extload -> zextload
5810 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5811 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5812 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5813 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5815 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5817 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5818 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5821 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5822 (SMULBB GPR:$a, GPR:$b)>;
5823 def : ARMV5TEPat<(mul sext_16_node:$a, (sext_bottom_16 GPR:$b)),
5824 (SMULBB GPR:$a, GPR:$b)>;
5825 def : ARMV5TEPat<(mul sext_16_node:$a, (sext_top_16 GPR:$b)),
5826 (SMULBT GPR:$a, GPR:$b)>;
5827 def : ARMV5TEPat<(mul (sext_top_16 GPR:$a), sext_16_node:$b),
5828 (SMULTB GPR:$a, GPR:$b)>;
5829 def : ARMV5MOPat<(add GPR:$acc, (mul sext_16_node:$a, sext_16_node:$b)),
5830 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5831 def : ARMV5MOPat<(add GPR:$acc, (mul sext_16_node:$a, (sext_bottom_16 GPR:$b))),
5832 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5833 def : ARMV5MOPat<(add GPR:$acc, (mul sext_16_node:$a, (sext_top_16 GPR:$b))),
5834 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5835 def : ARMV5MOPat<(add GPR:$acc, (mul (sext_top_16 GPR:$a), sext_16_node:$b)),
5836 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5838 def : ARMV5TEPat<(int_arm_smulbb GPR:$a, GPR:$b),
5839 (SMULBB GPR:$a, GPR:$b)>;
5840 def : ARMV5TEPat<(int_arm_smulbt GPR:$a, GPR:$b),
5841 (SMULBT GPR:$a, GPR:$b)>;
5842 def : ARMV5TEPat<(int_arm_smultb GPR:$a, GPR:$b),
5843 (SMULTB GPR:$a, GPR:$b)>;
5844 def : ARMV5TEPat<(int_arm_smultt GPR:$a, GPR:$b),
5845 (SMULTT GPR:$a, GPR:$b)>;
5846 def : ARMV5TEPat<(int_arm_smulwb GPR:$a, GPR:$b),
5847 (SMULWB GPR:$a, GPR:$b)>;
5848 def : ARMV5TEPat<(int_arm_smulwt GPR:$a, GPR:$b),
5849 (SMULWT GPR:$a, GPR:$b)>;
5851 def : ARMV5TEPat<(int_arm_smlabb GPR:$a, GPR:$b, GPR:$acc),
5852 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5853 def : ARMV5TEPat<(int_arm_smlabt GPR:$a, GPR:$b, GPR:$acc),
5854 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5855 def : ARMV5TEPat<(int_arm_smlatb GPR:$a, GPR:$b, GPR:$acc),
5856 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5857 def : ARMV5TEPat<(int_arm_smlatt GPR:$a, GPR:$b, GPR:$acc),
5858 (SMLATT GPR:$a, GPR:$b, GPR:$acc)>;
5859 def : ARMV5TEPat<(int_arm_smlawb GPR:$a, GPR:$b, GPR:$acc),
5860 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5861 def : ARMV5TEPat<(int_arm_smlawt GPR:$a, GPR:$b, GPR:$acc),
5862 (SMLAWT GPR:$a, GPR:$b, GPR:$acc)>;
5864 // Pre-v7 uses MCR for synchronization barriers.
5865 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5866 Requires<[IsARM, HasV6]>;
5868 // SXT/UXT with no rotate
5869 let AddedComplexity = 16 in {
5870 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5871 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5872 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5873 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5874 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5875 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5876 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5879 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5880 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5882 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5883 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5884 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5885 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5887 // Atomic load/store patterns
5888 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5889 (LDRBrs ldst_so_reg:$src)>;
5890 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5891 (LDRBi12 addrmode_imm12:$src)>;
5892 def : ARMPat<(atomic_load_16 addrmode3:$src),
5893 (LDRH addrmode3:$src)>;
5894 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5895 (LDRrs ldst_so_reg:$src)>;
5896 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5897 (LDRi12 addrmode_imm12:$src)>;
5898 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5899 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5900 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5901 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5902 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5903 (STRH GPR:$val, addrmode3:$ptr)>;
5904 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5905 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5906 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5907 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5910 //===----------------------------------------------------------------------===//
5914 include "ARMInstrThumb.td"
5916 //===----------------------------------------------------------------------===//
5920 include "ARMInstrThumb2.td"
5922 //===----------------------------------------------------------------------===//
5923 // Floating Point Support
5926 include "ARMInstrVFP.td"
5928 //===----------------------------------------------------------------------===//
5929 // Advanced SIMD (NEON) Support
5932 include "ARMInstrNEON.td"
5934 //===----------------------------------------------------------------------===//
5935 // Assembler aliases
5939 def : InstAlias<"dmb", (DMB 0xf), 0>, Requires<[IsARM, HasDB]>;
5940 def : InstAlias<"dsb", (DSB 0xf), 0>, Requires<[IsARM, HasDB]>;
5941 def : InstAlias<"ssbb", (DSB 0x0), 1>, Requires<[IsARM, HasDB]>;
5942 def : InstAlias<"pssbb", (DSB 0x4), 1>, Requires<[IsARM, HasDB]>;
5943 def : InstAlias<"isb", (ISB 0xf), 0>, Requires<[IsARM, HasDB]>;
5944 // Armv8-R 'Data Full Barrier'
5945 def : InstAlias<"dfb", (DSB 0xc), 1>, Requires<[IsARM, HasDFB]>;
5947 // System instructions
5948 def : MnemonicAlias<"swi", "svc">;
5950 // Load / Store Multiple
5951 def : MnemonicAlias<"ldmfd", "ldm">;
5952 def : MnemonicAlias<"ldmia", "ldm">;
5953 def : MnemonicAlias<"ldmea", "ldmdb">;
5954 def : MnemonicAlias<"stmfd", "stmdb">;
5955 def : MnemonicAlias<"stmia", "stm">;
5956 def : MnemonicAlias<"stmea", "stm">;
5958 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
5959 // input operands swapped when the shift amount is zero (i.e., unspecified).
5960 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5961 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p), 0>,
5962 Requires<[IsARM, HasV6]>;
5963 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5964 (PKHBT GPRnopc:$Rd, GPRnopc:$Rm, GPRnopc:$Rn, 0, pred:$p), 0>,
5965 Requires<[IsARM, HasV6]>;
5967 // PUSH/POP aliases for STM/LDM
5968 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5969 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5971 // SSAT/USAT optional shift operand.
5972 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5973 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5974 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5975 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5978 // Extend instruction optional rotate operand.
5979 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5980 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5981 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5982 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5983 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5984 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5985 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5986 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5987 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5988 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5989 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5990 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5992 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5993 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5994 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5995 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5996 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5997 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5998 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5999 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
6000 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
6001 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
6002 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
6003 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
6007 def : MnemonicAlias<"rfefa", "rfeda">;
6008 def : MnemonicAlias<"rfeea", "rfedb">;
6009 def : MnemonicAlias<"rfefd", "rfeia">;
6010 def : MnemonicAlias<"rfeed", "rfeib">;
6011 def : MnemonicAlias<"rfe", "rfeia">;
6014 def : MnemonicAlias<"srsfa", "srsib">;
6015 def : MnemonicAlias<"srsea", "srsia">;
6016 def : MnemonicAlias<"srsfd", "srsdb">;
6017 def : MnemonicAlias<"srsed", "srsda">;
6018 def : MnemonicAlias<"srs", "srsia">;
6021 def : MnemonicAlias<"qsubaddx", "qsax">;
6023 def : MnemonicAlias<"saddsubx", "sasx">;
6024 // SHASX == SHADDSUBX
6025 def : MnemonicAlias<"shaddsubx", "shasx">;
6026 // SHSAX == SHSUBADDX
6027 def : MnemonicAlias<"shsubaddx", "shsax">;
6029 def : MnemonicAlias<"ssubaddx", "ssax">;
6031 def : MnemonicAlias<"uaddsubx", "uasx">;
6032 // UHASX == UHADDSUBX
6033 def : MnemonicAlias<"uhaddsubx", "uhasx">;
6034 // UHSAX == UHSUBADDX
6035 def : MnemonicAlias<"uhsubaddx", "uhsax">;
6036 // UQASX == UQADDSUBX
6037 def : MnemonicAlias<"uqaddsubx", "uqasx">;
6038 // UQSAX == UQSUBADDX
6039 def : MnemonicAlias<"uqsubaddx", "uqsax">;
6041 def : MnemonicAlias<"usubaddx", "usax">;
6043 // "mov Rd, mod_imm_not" can be handled via "mvn" in assembly, just like
6045 def : ARMInstSubst<"mov${s}${p} $Rd, $imm",
6046 (MVNi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6047 def : ARMInstSubst<"mvn${s}${p} $Rd, $imm",
6048 (MOVi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6049 // Same for AND <--> BIC
6050 def : ARMInstSubst<"bic${s}${p} $Rd, $Rn, $imm",
6051 (ANDri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
6052 pred:$p, cc_out:$s)>;
6053 def : ARMInstSubst<"bic${s}${p} $Rdn, $imm",
6054 (ANDri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
6055 pred:$p, cc_out:$s)>;
6056 def : ARMInstSubst<"and${s}${p} $Rd, $Rn, $imm",
6057 (BICri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
6058 pred:$p, cc_out:$s)>;
6059 def : ARMInstSubst<"and${s}${p} $Rdn, $imm",
6060 (BICri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
6061 pred:$p, cc_out:$s)>;
6063 // Likewise, "add Rd, mod_imm_neg" -> sub
6064 def : ARMInstSubst<"add${s}${p} $Rd, $Rn, $imm",
6065 (SUBri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
6066 def : ARMInstSubst<"add${s}${p} $Rd, $imm",
6067 (SUBri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
6068 // Likewise, "sub Rd, mod_imm_neg" -> add
6069 def : ARMInstSubst<"sub${s}${p} $Rd, $Rn, $imm",
6070 (ADDri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
6071 def : ARMInstSubst<"sub${s}${p} $Rd, $imm",
6072 (ADDri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
6075 def : ARMInstSubst<"adc${s}${p} $Rd, $Rn, $imm",
6076 (SBCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6077 def : ARMInstSubst<"adc${s}${p} $Rdn, $imm",
6078 (SBCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6079 def : ARMInstSubst<"sbc${s}${p} $Rd, $Rn, $imm",
6080 (ADCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6081 def : ARMInstSubst<"sbc${s}${p} $Rdn, $imm",
6082 (ADCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6084 // Same for CMP <--> CMN via mod_imm_neg
6085 def : ARMInstSubst<"cmp${p} $Rd, $imm",
6086 (CMNri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
6087 def : ARMInstSubst<"cmn${p} $Rd, $imm",
6088 (CMPri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
6090 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
6091 // LSR, ROR, and RRX instructions.
6092 // FIXME: We need C++ parser hooks to map the alias to the MOV
6093 // encoding. It seems we should be able to do that sort of thing
6094 // in tblgen, but it could get ugly.
6095 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
6096 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
6097 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
6099 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
6100 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
6102 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
6103 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
6105 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
6106 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
6109 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
6110 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
6111 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
6112 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
6113 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6115 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
6116 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6118 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
6119 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6121 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
6122 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6126 // "neg" is and alias for "rsb rd, rn, #0"
6127 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
6128 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
6130 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
6131 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
6132 Requires<[IsARM, NoV6]>;
6134 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
6135 // the instruction definitions need difference constraints pre-v6.
6136 // Use these aliases for the assembly parsing on pre-v6.
6137 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
6138 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s), 0>,
6139 Requires<[IsARM, NoV6]>;
6140 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
6141 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
6142 pred:$p, cc_out:$s), 0>,
6143 Requires<[IsARM, NoV6]>;
6144 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6145 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6146 Requires<[IsARM, NoV6]>;
6147 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6148 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6149 Requires<[IsARM, NoV6]>;
6150 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6151 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6152 Requires<[IsARM, NoV6]>;
6153 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6154 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6155 Requires<[IsARM, NoV6]>;
6157 // 'it' blocks in ARM mode just validate the predicates. The IT itself
6159 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
6160 ComplexDeprecationPredicate<"IT">;
6162 let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
6163 def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
6165 [(set GPR:$Rd, (int_arm_space imm:$size, GPR:$Rn))]>;
6167 //===----------------------------------
6168 // Atomic cmpxchg for -O0
6169 //===----------------------------------
6171 // The fast register allocator used during -O0 inserts spills to cover any VRegs
6172 // live across basic block boundaries. When this happens between an LDXR and an
6173 // STXR it can clear the exclusive monitor, causing all cmpxchg attempts to
6176 // Unfortunately, this means we have to have an alternative (expanded
6177 // post-regalloc) path for -O0 compilations. Fortunately this path can be
6178 // significantly more naive than the standard expansion: we conservatively
6179 // assume seq_cst, strong cmpxchg and omit clrex on failure.
6181 let Constraints = "@earlyclobber $Rd,@earlyclobber $temp",
6182 mayLoad = 1, mayStore = 1 in {
6183 def CMP_SWAP_8 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6184 (ins GPR:$addr, GPR:$desired, GPR:$new),
6185 NoItinerary, []>, Sched<[]>;
6187 def CMP_SWAP_16 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6188 (ins GPR:$addr, GPR:$desired, GPR:$new),
6189 NoItinerary, []>, Sched<[]>;
6191 def CMP_SWAP_32 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6192 (ins GPR:$addr, GPR:$desired, GPR:$new),
6193 NoItinerary, []>, Sched<[]>;
6195 def CMP_SWAP_64 : PseudoInst<(outs GPRPair:$Rd, GPR:$temp),
6196 (ins GPR:$addr, GPRPair:$desired, GPRPair:$new),
6197 NoItinerary, []>, Sched<[]>;
6200 def CompilerBarrier : PseudoInst<(outs), (ins i32imm:$ordering), NoItinerary,
6201 [(atomic_fence imm:$ordering, 0)]> {
6202 let hasSideEffects = 1;
6204 let AsmString = "@ COMPILER BARRIER";