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,
148 def ARMssatnoshift : SDNode<"ARMISD::SSAT", SDTIntSatNoShOp, []>;
150 def ARMusatnoshift : SDNode<"ARMISD::USAT", SDTIntSatNoShOp, []>;
152 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
153 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
155 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
157 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
160 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
163 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
166 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
169 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
170 [SDNPOutGlue, SDNPCommutative]>;
172 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
174 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
175 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
176 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
178 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
180 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
181 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
182 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
184 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
185 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
186 SDT_ARMEH_SJLJ_Setjmp,
187 [SDNPHasChain, SDNPSideEffect]>;
188 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
189 SDT_ARMEH_SJLJ_Longjmp,
190 [SDNPHasChain, SDNPSideEffect]>;
191 def ARMeh_sjlj_setup_dispatch: SDNode<"ARMISD::EH_SJLJ_SETUP_DISPATCH",
192 SDT_ARMEH_SJLJ_SetupDispatch,
193 [SDNPHasChain, SDNPSideEffect]>;
195 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
196 [SDNPHasChain, SDNPSideEffect]>;
197 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
198 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
200 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
201 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
203 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
205 def ARMmemcopy : SDNode<"ARMISD::MEMCPY", SDT_ARMMEMCPY,
206 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
207 SDNPMayStore, SDNPMayLoad]>;
209 def ARMsmulwb : SDNode<"ARMISD::SMULWB", SDTIntBinOp, []>;
210 def ARMsmulwt : SDNode<"ARMISD::SMULWT", SDTIntBinOp, []>;
211 def ARMsmlalbb : SDNode<"ARMISD::SMLALBB", SDT_LongMac, []>;
212 def ARMsmlalbt : SDNode<"ARMISD::SMLALBT", SDT_LongMac, []>;
213 def ARMsmlaltb : SDNode<"ARMISD::SMLALTB", SDT_LongMac, []>;
214 def ARMsmlaltt : SDNode<"ARMISD::SMLALTT", SDT_LongMac, []>;
216 //===----------------------------------------------------------------------===//
217 // ARM Instruction Predicate Definitions.
219 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
220 AssemblerPredicate<"HasV4TOps", "armv4t">;
221 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
222 def HasV5T : Predicate<"Subtarget->hasV5TOps()">,
223 AssemblerPredicate<"HasV5TOps", "armv5t">;
224 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
225 AssemblerPredicate<"HasV5TEOps", "armv5te">;
226 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
227 AssemblerPredicate<"HasV6Ops", "armv6">;
228 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
229 def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
230 AssemblerPredicate<"HasV6MOps",
231 "armv6m or armv6t2">;
232 def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">,
233 AssemblerPredicate<"HasV8MBaselineOps",
235 def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">,
236 AssemblerPredicate<"HasV8MMainlineOps",
238 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
239 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
240 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
241 def HasV6K : Predicate<"Subtarget->hasV6KOps()">,
242 AssemblerPredicate<"HasV6KOps", "armv6k">;
243 def NoV6K : Predicate<"!Subtarget->hasV6KOps()">;
244 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
245 AssemblerPredicate<"HasV7Ops", "armv7">;
246 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
247 AssemblerPredicate<"HasV8Ops", "armv8">;
248 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
249 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
250 def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">,
251 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
252 def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">,
253 AssemblerPredicate<"HasV8_2aOps", "armv8.2a">;
254 def HasV8_3a : Predicate<"Subtarget->hasV8_3aOps()">,
255 AssemblerPredicate<"HasV8_3aOps", "armv8.3a">;
256 def HasV8_4a : Predicate<"Subtarget->hasV8_4aOps()">,
257 AssemblerPredicate<"HasV8_4aOps", "armv8.4a">;
258 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
259 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
260 AssemblerPredicate<"FeatureVFP2", "VFP2">;
261 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
262 AssemblerPredicate<"FeatureVFP3", "VFP3">;
263 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
264 AssemblerPredicate<"FeatureVFP4", "VFP4">;
265 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
266 AssemblerPredicate<"!FeatureVFPOnlySP",
267 "double precision VFP">;
268 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
269 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
270 def HasNEON : Predicate<"Subtarget->hasNEON()">,
271 AssemblerPredicate<"FeatureNEON", "NEON">;
272 def HasSHA2 : Predicate<"Subtarget->hasSHA2()">,
273 AssemblerPredicate<"FeatureSHA2", "sha2">;
274 def HasAES : Predicate<"Subtarget->hasAES()">,
275 AssemblerPredicate<"FeatureAES", "aes">;
276 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
277 AssemblerPredicate<"FeatureCrypto", "crypto">;
278 def HasDotProd : Predicate<"Subtarget->hasDotProd()">,
279 AssemblerPredicate<"FeatureDotProd", "dotprod">;
280 def HasCRC : Predicate<"Subtarget->hasCRC()">,
281 AssemblerPredicate<"FeatureCRC", "crc">;
282 def HasRAS : Predicate<"Subtarget->hasRAS()">,
283 AssemblerPredicate<"FeatureRAS", "ras">;
284 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
285 AssemblerPredicate<"FeatureFP16","half-float conversions">;
286 def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">,
287 AssemblerPredicate<"FeatureFullFP16","full half-float">;
288 def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">,
289 AssemblerPredicate<"FeatureHWDivThumb", "divide in THUMB">;
290 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
291 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
292 def HasDSP : Predicate<"Subtarget->hasDSP()">,
293 AssemblerPredicate<"FeatureDSP", "dsp">;
294 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
295 AssemblerPredicate<"FeatureDB",
297 def HasDFB : Predicate<"Subtarget->hasFullDataBarrier()">,
298 AssemblerPredicate<"FeatureDFB",
299 "full-data-barrier">;
300 def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">,
301 AssemblerPredicate<"FeatureV7Clrex",
303 def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">,
304 AssemblerPredicate<"FeatureAcquireRelease",
306 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
307 AssemblerPredicate<"FeatureMP",
309 def HasVirtualization: Predicate<"false">,
310 AssemblerPredicate<"FeatureVirtualization",
311 "virtualization-extensions">;
312 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
313 AssemblerPredicate<"FeatureTrustZone",
315 def Has8MSecExt : Predicate<"Subtarget->has8MSecExt()">,
316 AssemblerPredicate<"Feature8MSecExt",
317 "ARMv8-M Security Extensions">;
318 def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">;
319 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
320 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
321 def IsThumb : Predicate<"Subtarget->isThumb()">,
322 AssemblerPredicate<"ModeThumb", "thumb">;
323 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
324 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
325 AssemblerPredicate<"ModeThumb,FeatureThumb2",
327 def IsMClass : Predicate<"Subtarget->isMClass()">,
328 AssemblerPredicate<"FeatureMClass", "armv*m">;
329 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
330 AssemblerPredicate<"!FeatureMClass",
332 def IsARM : Predicate<"!Subtarget->isThumb()">,
333 AssemblerPredicate<"!ModeThumb", "arm-mode">;
334 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
335 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
336 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
337 def IsWindows : Predicate<"Subtarget->isTargetWindows()">;
338 def IsNotWindows : Predicate<"!Subtarget->isTargetWindows()">;
339 def IsReadTPHard : Predicate<"Subtarget->isReadTPHard()">;
340 def IsReadTPSoft : Predicate<"!Subtarget->isReadTPHard()">;
341 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
342 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
343 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
345 def UseNegativeImmediates :
347 AssemblerPredicate<"!FeatureNoNegativeImmediates",
348 "NegativeImmediates">;
350 // FIXME: Eventually this will be just "hasV6T2Ops".
351 let RecomputePerFunction = 1 in {
352 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
353 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
354 def UseMovtInPic : Predicate<"Subtarget->useMovt(*MF) && Subtarget->allowPositionIndependentMovt()">;
355 def DontUseMovtInPic : Predicate<"!Subtarget->useMovt(*MF) || !Subtarget->allowPositionIndependentMovt()">;
357 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
358 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
360 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
361 // But only select them if more precision in FP computation is allowed.
362 // Do not use them for Darwin platforms.
363 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
364 " FPOpFusion::Fast && "
365 " Subtarget->hasVFP4()) && "
366 "!Subtarget->isTargetDarwin()">;
367 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
368 " FPOpFusion::Fast &&"
369 " Subtarget->hasVFP4()) || "
370 "Subtarget->isTargetDarwin()">;
372 def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
373 def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
375 def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
376 def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
378 def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
379 "!Subtarget->useNEONForSinglePrecisionFP()">;
380 def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
381 "Subtarget->useNEONForSinglePrecisionFP()">;
383 let RecomputePerFunction = 1 in {
384 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">;
385 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">;
388 def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">;
390 //===----------------------------------------------------------------------===//
391 // ARM Flag Definitions.
393 class RegConstraint<string C> {
394 string Constraints = C;
397 //===----------------------------------------------------------------------===//
398 // ARM specific transformation functions and pattern fragments.
401 // imm_neg_XFORM - Return the negation of an i32 immediate value.
402 def imm_neg_XFORM : SDNodeXForm<imm, [{
403 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), SDLoc(N), MVT::i32);
406 // imm_not_XFORM - Return the complement of a i32 immediate value.
407 def imm_not_XFORM : SDNodeXForm<imm, [{
408 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), SDLoc(N), MVT::i32);
411 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
412 def imm16_31 : ImmLeaf<i32, [{
413 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
416 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
417 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
418 if (CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17)
421 if (N->getOpcode() != ISD::SRA)
423 if (N->getOperand(0).getOpcode() != ISD::SHL)
426 auto *ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(1));
427 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
430 ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(0)->getOperand(1));
431 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
437 /// Split a 32-bit immediate into two 16 bit parts.
438 def hi16 : SDNodeXForm<imm, [{
439 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, SDLoc(N),
443 def lo16AllZero : PatLeaf<(i32 imm), [{
444 // Returns true if all low 16-bits are 0.
445 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
448 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
449 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
451 // An 'and' node with a single use.
452 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
453 return N->hasOneUse();
456 // An 'xor' node with a single use.
457 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
458 return N->hasOneUse();
461 // An 'fmul' node with a single use.
462 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
463 return N->hasOneUse();
466 // An 'fadd' node which checks for single non-hazardous use.
467 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
468 return hasNoVMLxHazardUse(N);
471 // An 'fsub' node which checks for single non-hazardous use.
472 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
473 return hasNoVMLxHazardUse(N);
476 //===----------------------------------------------------------------------===//
477 // Operand Definitions.
480 // Immediate operands with a shared generic asm render method.
481 class ImmAsmOperand<int Low, int High> : AsmOperandClass {
482 let RenderMethod = "addImmOperands";
483 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
484 let DiagnosticString = "operand must be an immediate in the range [" # Low # "," # High # "]";
487 class ImmAsmOperandMinusOne<int Low, int High> : AsmOperandClass {
488 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
489 let DiagnosticType = "ImmRange" # Low # "_" # High;
490 let DiagnosticString = "operand must be an immediate in the range [" # Low # "," # High # "]";
493 // Operands that are part of a memory addressing mode.
494 class MemOperand : Operand<i32> { let OperandType = "OPERAND_MEMORY"; }
497 // FIXME: rename brtarget to t2_brtarget
498 def brtarget : Operand<OtherVT> {
499 let EncoderMethod = "getBranchTargetOpValue";
500 let OperandType = "OPERAND_PCREL";
501 let DecoderMethod = "DecodeT2BROperand";
504 // Branches targeting ARM-mode must be divisible by 4 if they're a raw
506 def ARMBranchTarget : AsmOperandClass {
507 let Name = "ARMBranchTarget";
510 // Branches targeting Thumb-mode must be divisible by 2 if they're a raw
512 def ThumbBranchTarget : AsmOperandClass {
513 let Name = "ThumbBranchTarget";
516 def arm_br_target : Operand<OtherVT> {
517 let ParserMatchClass = ARMBranchTarget;
518 let EncoderMethod = "getARMBranchTargetOpValue";
519 let OperandType = "OPERAND_PCREL";
522 // Call target for ARM. Handles conditional/unconditional
523 // FIXME: rename bl_target to t2_bltarget?
524 def arm_bl_target : Operand<i32> {
525 let ParserMatchClass = ARMBranchTarget;
526 let EncoderMethod = "getARMBLTargetOpValue";
527 let OperandType = "OPERAND_PCREL";
530 // Target for BLX *from* ARM mode.
531 def arm_blx_target : Operand<i32> {
532 let ParserMatchClass = ThumbBranchTarget;
533 let EncoderMethod = "getARMBLXTargetOpValue";
534 let OperandType = "OPERAND_PCREL";
537 // A list of registers separated by comma. Used by load/store multiple.
538 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
539 def reglist : Operand<i32> {
540 let EncoderMethod = "getRegisterListOpValue";
541 let ParserMatchClass = RegListAsmOperand;
542 let PrintMethod = "printRegisterList";
543 let DecoderMethod = "DecodeRegListOperand";
546 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
548 def DPRRegListAsmOperand : AsmOperandClass {
549 let Name = "DPRRegList";
550 let DiagnosticType = "DPR_RegList";
552 def dpr_reglist : Operand<i32> {
553 let EncoderMethod = "getRegisterListOpValue";
554 let ParserMatchClass = DPRRegListAsmOperand;
555 let PrintMethod = "printRegisterList";
556 let DecoderMethod = "DecodeDPRRegListOperand";
559 def SPRRegListAsmOperand : AsmOperandClass {
560 let Name = "SPRRegList";
561 let DiagnosticString = "operand must be a list of registers in range [s0, s31]";
563 def spr_reglist : Operand<i32> {
564 let EncoderMethod = "getRegisterListOpValue";
565 let ParserMatchClass = SPRRegListAsmOperand;
566 let PrintMethod = "printRegisterList";
567 let DecoderMethod = "DecodeSPRRegListOperand";
570 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
571 def cpinst_operand : Operand<i32> {
572 let PrintMethod = "printCPInstOperand";
576 def pclabel : Operand<i32> {
577 let PrintMethod = "printPCLabel";
580 // ADR instruction labels.
581 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
582 def adrlabel : Operand<i32> {
583 let EncoderMethod = "getAdrLabelOpValue";
584 let ParserMatchClass = AdrLabelAsmOperand;
585 let PrintMethod = "printAdrLabelOperand<0>";
588 def neon_vcvt_imm32 : Operand<i32> {
589 let EncoderMethod = "getNEONVcvtImm32OpValue";
590 let DecoderMethod = "DecodeVCVTImmOperand";
593 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
594 def rot_imm_XFORM: SDNodeXForm<imm, [{
595 switch (N->getZExtValue()){
596 default: llvm_unreachable(nullptr);
597 case 0: return CurDAG->getTargetConstant(0, SDLoc(N), MVT::i32);
598 case 8: return CurDAG->getTargetConstant(1, SDLoc(N), MVT::i32);
599 case 16: return CurDAG->getTargetConstant(2, SDLoc(N), MVT::i32);
600 case 24: return CurDAG->getTargetConstant(3, SDLoc(N), MVT::i32);
603 def RotImmAsmOperand : AsmOperandClass {
605 let ParserMethod = "parseRotImm";
607 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
608 int32_t v = N->getZExtValue();
609 return v == 8 || v == 16 || v == 24; }],
611 let PrintMethod = "printRotImmOperand";
612 let ParserMatchClass = RotImmAsmOperand;
615 // shift_imm: An integer that encodes a shift amount and the type of shift
616 // (asr or lsl). The 6-bit immediate encodes as:
619 // {4-0} imm5 shift amount.
620 // asr #32 encoded as imm5 == 0.
621 def ShifterImmAsmOperand : AsmOperandClass {
622 let Name = "ShifterImm";
623 let ParserMethod = "parseShifterImm";
625 def shift_imm : Operand<i32> {
626 let PrintMethod = "printShiftImmOperand";
627 let ParserMatchClass = ShifterImmAsmOperand;
630 // shifter_operand operands: so_reg_reg, so_reg_imm, and mod_imm.
631 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
632 def so_reg_reg : Operand<i32>, // reg reg imm
633 ComplexPattern<i32, 3, "SelectRegShifterOperand",
634 [shl, srl, sra, rotr]> {
635 let EncoderMethod = "getSORegRegOpValue";
636 let PrintMethod = "printSORegRegOperand";
637 let DecoderMethod = "DecodeSORegRegOperand";
638 let ParserMatchClass = ShiftedRegAsmOperand;
639 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
642 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
643 def so_reg_imm : Operand<i32>, // reg imm
644 ComplexPattern<i32, 2, "SelectImmShifterOperand",
645 [shl, srl, sra, rotr]> {
646 let EncoderMethod = "getSORegImmOpValue";
647 let PrintMethod = "printSORegImmOperand";
648 let DecoderMethod = "DecodeSORegImmOperand";
649 let ParserMatchClass = ShiftedImmAsmOperand;
650 let MIOperandInfo = (ops GPR, i32imm);
653 // FIXME: Does this need to be distinct from so_reg?
654 def shift_so_reg_reg : Operand<i32>, // reg reg imm
655 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
656 [shl,srl,sra,rotr]> {
657 let EncoderMethod = "getSORegRegOpValue";
658 let PrintMethod = "printSORegRegOperand";
659 let DecoderMethod = "DecodeSORegRegOperand";
660 let ParserMatchClass = ShiftedRegAsmOperand;
661 let MIOperandInfo = (ops GPR, GPR, i32imm);
664 // FIXME: Does this need to be distinct from so_reg?
665 def shift_so_reg_imm : Operand<i32>, // reg reg imm
666 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
667 [shl,srl,sra,rotr]> {
668 let EncoderMethod = "getSORegImmOpValue";
669 let PrintMethod = "printSORegImmOperand";
670 let DecoderMethod = "DecodeSORegImmOperand";
671 let ParserMatchClass = ShiftedImmAsmOperand;
672 let MIOperandInfo = (ops GPR, i32imm);
675 // mod_imm: match a 32-bit immediate operand, which can be encoded into
676 // a 12-bit immediate; an 8-bit integer and a 4-bit rotator (See ARMARM
677 // - "Modified Immediate Constants"). Within the MC layer we keep this
678 // immediate in its encoded form.
679 def ModImmAsmOperand: AsmOperandClass {
681 let ParserMethod = "parseModImm";
683 def mod_imm : Operand<i32>, ImmLeaf<i32, [{
684 return ARM_AM::getSOImmVal(Imm) != -1;
686 let EncoderMethod = "getModImmOpValue";
687 let PrintMethod = "printModImmOperand";
688 let ParserMatchClass = ModImmAsmOperand;
691 // Note: the patterns mod_imm_not and mod_imm_neg do not require an encoder
692 // method and such, as they are only used on aliases (Pat<> and InstAlias<>).
693 // The actual parsing, encoding, decoding are handled by the destination
694 // instructions, which use mod_imm.
696 def ModImmNotAsmOperand : AsmOperandClass { let Name = "ModImmNot"; }
697 def mod_imm_not : Operand<i32>, PatLeaf<(imm), [{
698 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
700 let ParserMatchClass = ModImmNotAsmOperand;
703 def ModImmNegAsmOperand : AsmOperandClass { let Name = "ModImmNeg"; }
704 def mod_imm_neg : Operand<i32>, PatLeaf<(imm), [{
705 unsigned Value = -(unsigned)N->getZExtValue();
706 return Value && ARM_AM::getSOImmVal(Value) != -1;
708 let ParserMatchClass = ModImmNegAsmOperand;
711 /// arm_i32imm - True for +V6T2, or when isSOImmTwoParVal()
712 def arm_i32imm : PatLeaf<(imm), [{
713 if (Subtarget->useMovt(*MF))
715 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
718 /// imm0_1 predicate - Immediate in the range [0,1].
719 def Imm0_1AsmOperand: ImmAsmOperand<0,1> { let Name = "Imm0_1"; }
720 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
722 /// imm0_3 predicate - Immediate in the range [0,3].
723 def Imm0_3AsmOperand: ImmAsmOperand<0,3> { let Name = "Imm0_3"; }
724 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
726 /// imm0_7 predicate - Immediate in the range [0,7].
727 def Imm0_7AsmOperand: ImmAsmOperand<0,7> {
730 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
731 return Imm >= 0 && Imm < 8;
733 let ParserMatchClass = Imm0_7AsmOperand;
736 /// imm8_255 predicate - Immediate in the range [8,255].
737 def Imm8_255AsmOperand: ImmAsmOperand<8,255> { let Name = "Imm8_255"; }
738 def imm8_255 : Operand<i32>, ImmLeaf<i32, [{
739 return Imm >= 8 && Imm < 256;
741 let ParserMatchClass = Imm8_255AsmOperand;
744 /// imm8 predicate - Immediate is exactly 8.
745 def Imm8AsmOperand: ImmAsmOperand<8,8> { let Name = "Imm8"; }
746 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
747 let ParserMatchClass = Imm8AsmOperand;
750 /// imm16 predicate - Immediate is exactly 16.
751 def Imm16AsmOperand: ImmAsmOperand<16,16> { let Name = "Imm16"; }
752 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
753 let ParserMatchClass = Imm16AsmOperand;
756 /// imm32 predicate - Immediate is exactly 32.
757 def Imm32AsmOperand: ImmAsmOperand<32,32> { let Name = "Imm32"; }
758 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
759 let ParserMatchClass = Imm32AsmOperand;
762 def imm8_or_16 : ImmLeaf<i32, [{ return Imm == 8 || Imm == 16;}]>;
764 /// imm1_7 predicate - Immediate in the range [1,7].
765 def Imm1_7AsmOperand: ImmAsmOperand<1,7> { let Name = "Imm1_7"; }
766 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
767 let ParserMatchClass = Imm1_7AsmOperand;
770 /// imm1_15 predicate - Immediate in the range [1,15].
771 def Imm1_15AsmOperand: ImmAsmOperand<1,15> { let Name = "Imm1_15"; }
772 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
773 let ParserMatchClass = Imm1_15AsmOperand;
776 /// imm1_31 predicate - Immediate in the range [1,31].
777 def Imm1_31AsmOperand: ImmAsmOperand<1,31> { let Name = "Imm1_31"; }
778 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
779 let ParserMatchClass = Imm1_31AsmOperand;
782 /// imm0_15 predicate - Immediate in the range [0,15].
783 def Imm0_15AsmOperand: ImmAsmOperand<0,15> {
784 let Name = "Imm0_15";
786 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
787 return Imm >= 0 && Imm < 16;
789 let ParserMatchClass = Imm0_15AsmOperand;
792 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
793 def Imm0_31AsmOperand: ImmAsmOperand<0,31> { let Name = "Imm0_31"; }
794 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
795 return Imm >= 0 && Imm < 32;
797 let ParserMatchClass = Imm0_31AsmOperand;
800 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
801 def Imm0_32AsmOperand: ImmAsmOperand<0,32> { let Name = "Imm0_32"; }
802 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
803 return Imm >= 0 && Imm < 33;
805 let ParserMatchClass = Imm0_32AsmOperand;
808 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
809 def Imm0_63AsmOperand: ImmAsmOperand<0,63> { let Name = "Imm0_63"; }
810 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
811 return Imm >= 0 && Imm < 64;
813 let ParserMatchClass = Imm0_63AsmOperand;
816 /// imm0_239 predicate - Immediate in the range [0,239].
817 def Imm0_239AsmOperand : ImmAsmOperand<0,239> {
818 let Name = "Imm0_239";
820 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
821 let ParserMatchClass = Imm0_239AsmOperand;
824 /// imm0_255 predicate - Immediate in the range [0,255].
825 def Imm0_255AsmOperand : ImmAsmOperand<0,255> { let Name = "Imm0_255"; }
826 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
827 let ParserMatchClass = Imm0_255AsmOperand;
830 /// imm0_65535 - An immediate is in the range [0,65535].
831 def Imm0_65535AsmOperand: ImmAsmOperand<0,65535> { let Name = "Imm0_65535"; }
832 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
833 return Imm >= 0 && Imm < 65536;
835 let ParserMatchClass = Imm0_65535AsmOperand;
838 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
839 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
840 return -Imm >= 0 && -Imm < 65536;
843 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
844 // a relocatable expression.
846 // FIXME: This really needs a Thumb version separate from the ARM version.
847 // While the range is the same, and can thus use the same match class,
848 // the encoding is different so it should have a different encoder method.
849 def Imm0_65535ExprAsmOperand: AsmOperandClass {
850 let Name = "Imm0_65535Expr";
851 let RenderMethod = "addImmOperands";
852 let DiagnosticString = "operand must be an immediate in the range [0,0xffff] or a relocatable expression";
855 def imm0_65535_expr : Operand<i32> {
856 let EncoderMethod = "getHiLo16ImmOpValue";
857 let ParserMatchClass = Imm0_65535ExprAsmOperand;
860 def Imm256_65535ExprAsmOperand: ImmAsmOperand<256,65535> { let Name = "Imm256_65535Expr"; }
861 def imm256_65535_expr : Operand<i32> {
862 let ParserMatchClass = Imm256_65535ExprAsmOperand;
865 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
866 def Imm24bitAsmOperand: ImmAsmOperand<0,0xffffff> {
867 let Name = "Imm24bit";
868 let DiagnosticString = "operand must be an immediate in the range [0,0xffffff]";
870 def imm24b : Operand<i32>, ImmLeaf<i32, [{
871 return Imm >= 0 && Imm <= 0xffffff;
873 let ParserMatchClass = Imm24bitAsmOperand;
877 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
879 def BitfieldAsmOperand : AsmOperandClass {
880 let Name = "Bitfield";
881 let ParserMethod = "parseBitfield";
884 def bf_inv_mask_imm : Operand<i32>,
886 return ARM::isBitFieldInvertedMask(N->getZExtValue());
888 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
889 let PrintMethod = "printBitfieldInvMaskImmOperand";
890 let DecoderMethod = "DecodeBitfieldMaskOperand";
891 let ParserMatchClass = BitfieldAsmOperand;
892 let GISelPredicateCode = [{
893 // There's better methods of implementing this check. IntImmLeaf<> would be
894 // equivalent and have less boilerplate but we need a test for C++
895 // predicates and this one causes new rules to be imported into GlobalISel
896 // without requiring additional features first.
897 const auto &MO = MI.getOperand(1);
900 return ARM::isBitFieldInvertedMask(MO.getCImm()->getZExtValue());
904 def imm1_32_XFORM: SDNodeXForm<imm, [{
905 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
908 def Imm1_32AsmOperand: ImmAsmOperandMinusOne<1,32> {
909 let Name = "Imm1_32";
911 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
912 uint64_t Imm = N->getZExtValue();
913 return Imm > 0 && Imm <= 32;
916 let PrintMethod = "printImmPlusOneOperand";
917 let ParserMatchClass = Imm1_32AsmOperand;
920 def imm1_16_XFORM: SDNodeXForm<imm, [{
921 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
924 def Imm1_16AsmOperand: ImmAsmOperandMinusOne<1,16> { let Name = "Imm1_16"; }
925 def imm1_16 : Operand<i32>, ImmLeaf<i32, [{
926 return Imm > 0 && Imm <= 16;
929 let PrintMethod = "printImmPlusOneOperand";
930 let ParserMatchClass = Imm1_16AsmOperand;
933 // Define ARM specific addressing modes.
934 // addrmode_imm12 := reg +/- imm12
936 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
937 class AddrMode_Imm12 : MemOperand,
938 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
939 // 12-bit immediate operand. Note that instructions using this encode
940 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
941 // immediate values are as normal.
943 let EncoderMethod = "getAddrModeImm12OpValue";
944 let DecoderMethod = "DecodeAddrModeImm12Operand";
945 let ParserMatchClass = MemImm12OffsetAsmOperand;
946 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
949 def addrmode_imm12 : AddrMode_Imm12 {
950 let PrintMethod = "printAddrModeImm12Operand<false>";
953 def addrmode_imm12_pre : AddrMode_Imm12 {
954 let PrintMethod = "printAddrModeImm12Operand<true>";
957 // ldst_so_reg := reg +/- reg shop imm
959 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
960 def ldst_so_reg : MemOperand,
961 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
962 let EncoderMethod = "getLdStSORegOpValue";
963 // FIXME: Simplify the printer
964 let PrintMethod = "printAddrMode2Operand";
965 let DecoderMethod = "DecodeSORegMemOperand";
966 let ParserMatchClass = MemRegOffsetAsmOperand;
967 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
970 // postidx_imm8 := +/- [0,255]
973 // {8} 1 is imm8 is non-negative. 0 otherwise.
974 // {7-0} [0,255] imm8 value.
975 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
976 def postidx_imm8 : MemOperand {
977 let PrintMethod = "printPostIdxImm8Operand";
978 let ParserMatchClass = PostIdxImm8AsmOperand;
979 let MIOperandInfo = (ops i32imm);
982 // postidx_imm8s4 := +/- [0,1020]
985 // {8} 1 is imm8 is non-negative. 0 otherwise.
986 // {7-0} [0,255] imm8 value, scaled by 4.
987 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
988 def postidx_imm8s4 : MemOperand {
989 let PrintMethod = "printPostIdxImm8s4Operand";
990 let ParserMatchClass = PostIdxImm8s4AsmOperand;
991 let MIOperandInfo = (ops i32imm);
995 // postidx_reg := +/- reg
997 def PostIdxRegAsmOperand : AsmOperandClass {
998 let Name = "PostIdxReg";
999 let ParserMethod = "parsePostIdxReg";
1001 def postidx_reg : MemOperand {
1002 let EncoderMethod = "getPostIdxRegOpValue";
1003 let DecoderMethod = "DecodePostIdxReg";
1004 let PrintMethod = "printPostIdxRegOperand";
1005 let ParserMatchClass = PostIdxRegAsmOperand;
1006 let MIOperandInfo = (ops GPRnopc, i32imm);
1009 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
1010 let Name = "PostIdxRegShifted";
1011 let ParserMethod = "parsePostIdxReg";
1013 def am2offset_reg : MemOperand,
1014 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
1015 [], [SDNPWantRoot]> {
1016 let EncoderMethod = "getAddrMode2OffsetOpValue";
1017 let PrintMethod = "printAddrMode2OffsetOperand";
1018 // When using this for assembly, it's always as a post-index offset.
1019 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
1020 let MIOperandInfo = (ops GPRnopc, i32imm);
1023 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
1024 // the GPR is purely vestigal at this point.
1025 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
1026 def am2offset_imm : MemOperand,
1027 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
1028 [], [SDNPWantRoot]> {
1029 let EncoderMethod = "getAddrMode2OffsetOpValue";
1030 let PrintMethod = "printAddrMode2OffsetOperand";
1031 let ParserMatchClass = AM2OffsetImmAsmOperand;
1032 let MIOperandInfo = (ops GPRnopc, i32imm);
1036 // addrmode3 := reg +/- reg
1037 // addrmode3 := reg +/- imm8
1039 // FIXME: split into imm vs. reg versions.
1040 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
1041 class AddrMode3 : MemOperand,
1042 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
1043 let EncoderMethod = "getAddrMode3OpValue";
1044 let ParserMatchClass = AddrMode3AsmOperand;
1045 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
1048 def addrmode3 : AddrMode3
1050 let PrintMethod = "printAddrMode3Operand<false>";
1053 def addrmode3_pre : AddrMode3
1055 let PrintMethod = "printAddrMode3Operand<true>";
1058 // FIXME: split into imm vs. reg versions.
1059 // FIXME: parser method to handle +/- register.
1060 def AM3OffsetAsmOperand : AsmOperandClass {
1061 let Name = "AM3Offset";
1062 let ParserMethod = "parseAM3Offset";
1064 def am3offset : MemOperand,
1065 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
1066 [], [SDNPWantRoot]> {
1067 let EncoderMethod = "getAddrMode3OffsetOpValue";
1068 let PrintMethod = "printAddrMode3OffsetOperand";
1069 let ParserMatchClass = AM3OffsetAsmOperand;
1070 let MIOperandInfo = (ops GPR, i32imm);
1073 // ldstm_mode := {ia, ib, da, db}
1075 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
1076 let EncoderMethod = "getLdStmModeOpValue";
1077 let PrintMethod = "printLdStmModeOperand";
1080 // addrmode5 := reg +/- imm8*4
1082 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
1083 class AddrMode5 : MemOperand,
1084 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
1085 let EncoderMethod = "getAddrMode5OpValue";
1086 let DecoderMethod = "DecodeAddrMode5Operand";
1087 let ParserMatchClass = AddrMode5AsmOperand;
1088 let MIOperandInfo = (ops GPR:$base, i32imm);
1091 def addrmode5 : AddrMode5 {
1092 let PrintMethod = "printAddrMode5Operand<false>";
1095 def addrmode5_pre : AddrMode5 {
1096 let PrintMethod = "printAddrMode5Operand<true>";
1099 // addrmode5fp16 := reg +/- imm8*2
1101 def AddrMode5FP16AsmOperand : AsmOperandClass { let Name = "AddrMode5FP16"; }
1102 class AddrMode5FP16 : Operand<i32>,
1103 ComplexPattern<i32, 2, "SelectAddrMode5FP16", []> {
1104 let EncoderMethod = "getAddrMode5FP16OpValue";
1105 let DecoderMethod = "DecodeAddrMode5FP16Operand";
1106 let ParserMatchClass = AddrMode5FP16AsmOperand;
1107 let MIOperandInfo = (ops GPR:$base, i32imm);
1110 def addrmode5fp16 : AddrMode5FP16 {
1111 let PrintMethod = "printAddrMode5FP16Operand<false>";
1114 // addrmode6 := reg with optional alignment
1116 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
1117 def addrmode6 : MemOperand,
1118 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1119 let PrintMethod = "printAddrMode6Operand";
1120 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1121 let EncoderMethod = "getAddrMode6AddressOpValue";
1122 let DecoderMethod = "DecodeAddrMode6Operand";
1123 let ParserMatchClass = AddrMode6AsmOperand;
1126 def am6offset : MemOperand,
1127 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
1128 [], [SDNPWantRoot]> {
1129 let PrintMethod = "printAddrMode6OffsetOperand";
1130 let MIOperandInfo = (ops GPR);
1131 let EncoderMethod = "getAddrMode6OffsetOpValue";
1132 let DecoderMethod = "DecodeGPRRegisterClass";
1135 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
1136 // (single element from one lane) for size 32.
1137 def addrmode6oneL32 : MemOperand,
1138 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1139 let PrintMethod = "printAddrMode6Operand";
1140 let MIOperandInfo = (ops GPR:$addr, i32imm);
1141 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
1144 // Base class for addrmode6 with specific alignment restrictions.
1145 class AddrMode6Align : MemOperand,
1146 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1147 let PrintMethod = "printAddrMode6Operand";
1148 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1149 let EncoderMethod = "getAddrMode6AddressOpValue";
1150 let DecoderMethod = "DecodeAddrMode6Operand";
1153 // Special version of addrmode6 to handle no allowed alignment encoding for
1154 // VLD/VST instructions and checking the alignment is not specified.
1155 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1156 let Name = "AlignedMemoryNone";
1157 let DiagnosticString = "alignment must be omitted";
1159 def addrmode6alignNone : AddrMode6Align {
1160 // The alignment specifier can only be omitted.
1161 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1164 // Special version of addrmode6 to handle 16-bit alignment encoding for
1165 // VLD/VST instructions and checking the alignment value.
1166 def AddrMode6Align16AsmOperand : AsmOperandClass {
1167 let Name = "AlignedMemory16";
1168 let DiagnosticString = "alignment must be 16 or omitted";
1170 def addrmode6align16 : AddrMode6Align {
1171 // The alignment specifier can only be 16 or omitted.
1172 let ParserMatchClass = AddrMode6Align16AsmOperand;
1175 // Special version of addrmode6 to handle 32-bit alignment encoding for
1176 // VLD/VST instructions and checking the alignment value.
1177 def AddrMode6Align32AsmOperand : AsmOperandClass {
1178 let Name = "AlignedMemory32";
1179 let DiagnosticString = "alignment must be 32 or omitted";
1181 def addrmode6align32 : AddrMode6Align {
1182 // The alignment specifier can only be 32 or omitted.
1183 let ParserMatchClass = AddrMode6Align32AsmOperand;
1186 // Special version of addrmode6 to handle 64-bit alignment encoding for
1187 // VLD/VST instructions and checking the alignment value.
1188 def AddrMode6Align64AsmOperand : AsmOperandClass {
1189 let Name = "AlignedMemory64";
1190 let DiagnosticString = "alignment must be 64 or omitted";
1192 def addrmode6align64 : AddrMode6Align {
1193 // The alignment specifier can only be 64 or omitted.
1194 let ParserMatchClass = AddrMode6Align64AsmOperand;
1197 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1198 // for VLD/VST instructions and checking the alignment value.
1199 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1200 let Name = "AlignedMemory64or128";
1201 let DiagnosticString = "alignment must be 64, 128 or omitted";
1203 def addrmode6align64or128 : AddrMode6Align {
1204 // The alignment specifier can only be 64, 128 or omitted.
1205 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1208 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1209 // encoding for VLD/VST instructions and checking the alignment value.
1210 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1211 let Name = "AlignedMemory64or128or256";
1212 let DiagnosticString = "alignment must be 64, 128, 256 or omitted";
1214 def addrmode6align64or128or256 : AddrMode6Align {
1215 // The alignment specifier can only be 64, 128, 256 or omitted.
1216 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1219 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1220 // instructions, specifically VLD4-dup.
1221 def addrmode6dup : MemOperand,
1222 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1223 let PrintMethod = "printAddrMode6Operand";
1224 let MIOperandInfo = (ops GPR:$addr, i32imm);
1225 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1226 // FIXME: This is close, but not quite right. The alignment specifier is
1228 let ParserMatchClass = AddrMode6AsmOperand;
1231 // Base class for addrmode6dup with specific alignment restrictions.
1232 class AddrMode6DupAlign : MemOperand,
1233 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1234 let PrintMethod = "printAddrMode6Operand";
1235 let MIOperandInfo = (ops GPR:$addr, i32imm);
1236 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1239 // Special version of addrmode6 to handle no allowed alignment encoding for
1240 // VLD-dup instruction and checking the alignment is not specified.
1241 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1242 let Name = "DupAlignedMemoryNone";
1243 let DiagnosticString = "alignment must be omitted";
1245 def addrmode6dupalignNone : AddrMode6DupAlign {
1246 // The alignment specifier can only be omitted.
1247 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1250 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1251 // instruction and checking the alignment value.
1252 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1253 let Name = "DupAlignedMemory16";
1254 let DiagnosticString = "alignment must be 16 or omitted";
1256 def addrmode6dupalign16 : AddrMode6DupAlign {
1257 // The alignment specifier can only be 16 or omitted.
1258 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1261 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1262 // instruction and checking the alignment value.
1263 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1264 let Name = "DupAlignedMemory32";
1265 let DiagnosticString = "alignment must be 32 or omitted";
1267 def addrmode6dupalign32 : AddrMode6DupAlign {
1268 // The alignment specifier can only be 32 or omitted.
1269 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1272 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1273 // instructions and checking the alignment value.
1274 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1275 let Name = "DupAlignedMemory64";
1276 let DiagnosticString = "alignment must be 64 or omitted";
1278 def addrmode6dupalign64 : AddrMode6DupAlign {
1279 // The alignment specifier can only be 64 or omitted.
1280 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1283 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1284 // for VLD instructions and checking the alignment value.
1285 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1286 let Name = "DupAlignedMemory64or128";
1287 let DiagnosticString = "alignment must be 64, 128 or omitted";
1289 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1290 // The alignment specifier can only be 64, 128 or omitted.
1291 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1294 // addrmodepc := pc + reg
1296 def addrmodepc : MemOperand,
1297 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1298 let PrintMethod = "printAddrModePCOperand";
1299 let MIOperandInfo = (ops GPR, i32imm);
1302 // addr_offset_none := reg
1304 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1305 def addr_offset_none : MemOperand,
1306 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1307 let PrintMethod = "printAddrMode7Operand";
1308 let DecoderMethod = "DecodeAddrMode7Operand";
1309 let ParserMatchClass = MemNoOffsetAsmOperand;
1310 let MIOperandInfo = (ops GPR:$base);
1313 def nohash_imm : Operand<i32> {
1314 let PrintMethod = "printNoHashImmediate";
1317 def CoprocNumAsmOperand : AsmOperandClass {
1318 let Name = "CoprocNum";
1319 let ParserMethod = "parseCoprocNumOperand";
1321 def p_imm : Operand<i32> {
1322 let PrintMethod = "printPImmediate";
1323 let ParserMatchClass = CoprocNumAsmOperand;
1324 let DecoderMethod = "DecodeCoprocessor";
1327 def CoprocRegAsmOperand : AsmOperandClass {
1328 let Name = "CoprocReg";
1329 let ParserMethod = "parseCoprocRegOperand";
1331 def c_imm : Operand<i32> {
1332 let PrintMethod = "printCImmediate";
1333 let ParserMatchClass = CoprocRegAsmOperand;
1335 def CoprocOptionAsmOperand : AsmOperandClass {
1336 let Name = "CoprocOption";
1337 let ParserMethod = "parseCoprocOptionOperand";
1339 def coproc_option_imm : Operand<i32> {
1340 let PrintMethod = "printCoprocOptionImm";
1341 let ParserMatchClass = CoprocOptionAsmOperand;
1344 //===----------------------------------------------------------------------===//
1346 include "ARMInstrFormats.td"
1348 //===----------------------------------------------------------------------===//
1349 // Multiclass helpers...
1352 /// AsI1_bin_irs - Defines a set of (op r, {mod_imm|r|so_reg}) patterns for a
1353 /// binop that produces a value.
1354 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1355 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1356 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1357 SDPatternOperator opnode, bit Commutable = 0> {
1358 // The register-immediate version is re-materializable. This is useful
1359 // in particular for taking the address of a local.
1360 let isReMaterializable = 1 in {
1361 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1362 iii, opc, "\t$Rd, $Rn, $imm",
1363 [(set GPR:$Rd, (opnode GPR:$Rn, mod_imm:$imm))]>,
1364 Sched<[WriteALU, ReadALU]> {
1369 let Inst{19-16} = Rn;
1370 let Inst{15-12} = Rd;
1371 let Inst{11-0} = imm;
1374 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1375 iir, opc, "\t$Rd, $Rn, $Rm",
1376 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1377 Sched<[WriteALU, ReadALU, ReadALU]> {
1382 let isCommutable = Commutable;
1383 let Inst{19-16} = Rn;
1384 let Inst{15-12} = Rd;
1385 let Inst{11-4} = 0b00000000;
1389 def rsi : AsI1<opcod, (outs GPR:$Rd),
1390 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1391 iis, opc, "\t$Rd, $Rn, $shift",
1392 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1393 Sched<[WriteALUsi, ReadALU]> {
1398 let Inst{19-16} = Rn;
1399 let Inst{15-12} = Rd;
1400 let Inst{11-5} = shift{11-5};
1402 let Inst{3-0} = shift{3-0};
1405 def rsr : AsI1<opcod, (outs GPR:$Rd),
1406 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1407 iis, opc, "\t$Rd, $Rn, $shift",
1408 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1409 Sched<[WriteALUsr, ReadALUsr]> {
1414 let Inst{19-16} = Rn;
1415 let Inst{15-12} = Rd;
1416 let Inst{11-8} = shift{11-8};
1418 let Inst{6-5} = shift{6-5};
1420 let Inst{3-0} = shift{3-0};
1424 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1425 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1426 /// it is equivalent to the AsI1_bin_irs counterpart.
1427 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1428 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1429 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1430 SDNode opnode, bit Commutable = 0> {
1431 // The register-immediate version is re-materializable. This is useful
1432 // in particular for taking the address of a local.
1433 let isReMaterializable = 1 in {
1434 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1435 iii, opc, "\t$Rd, $Rn, $imm",
1436 [(set GPR:$Rd, (opnode mod_imm:$imm, GPR:$Rn))]>,
1437 Sched<[WriteALU, ReadALU]> {
1442 let Inst{19-16} = Rn;
1443 let Inst{15-12} = Rd;
1444 let Inst{11-0} = imm;
1447 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1448 iir, opc, "\t$Rd, $Rn, $Rm",
1449 [/* pattern left blank */]>,
1450 Sched<[WriteALU, ReadALU, ReadALU]> {
1454 let Inst{11-4} = 0b00000000;
1457 let Inst{15-12} = Rd;
1458 let Inst{19-16} = Rn;
1461 def rsi : AsI1<opcod, (outs GPR:$Rd),
1462 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1463 iis, opc, "\t$Rd, $Rn, $shift",
1464 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1465 Sched<[WriteALUsi, ReadALU]> {
1470 let Inst{19-16} = Rn;
1471 let Inst{15-12} = Rd;
1472 let Inst{11-5} = shift{11-5};
1474 let Inst{3-0} = shift{3-0};
1477 def rsr : AsI1<opcod, (outs GPR:$Rd),
1478 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1479 iis, opc, "\t$Rd, $Rn, $shift",
1480 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1481 Sched<[WriteALUsr, ReadALUsr]> {
1486 let Inst{19-16} = Rn;
1487 let Inst{15-12} = Rd;
1488 let Inst{11-8} = shift{11-8};
1490 let Inst{6-5} = shift{6-5};
1492 let Inst{3-0} = shift{3-0};
1496 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1498 /// These opcodes will be converted to the real non-S opcodes by
1499 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1500 let hasPostISelHook = 1, Defs = [CPSR] in {
1501 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1502 InstrItinClass iis, SDNode opnode,
1503 bit Commutable = 0> {
1504 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1506 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm))]>,
1507 Sched<[WriteALU, ReadALU]>;
1509 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1511 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1512 Sched<[WriteALU, ReadALU, ReadALU]> {
1513 let isCommutable = Commutable;
1515 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1516 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1518 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1519 so_reg_imm:$shift))]>,
1520 Sched<[WriteALUsi, ReadALU]>;
1522 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1523 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1525 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1526 so_reg_reg:$shift))]>,
1527 Sched<[WriteALUSsr, ReadALUsr]>;
1531 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1532 /// operands are reversed.
1533 let hasPostISelHook = 1, Defs = [CPSR] in {
1534 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1535 InstrItinClass iis, SDNode opnode,
1536 bit Commutable = 0> {
1537 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1539 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn))]>,
1540 Sched<[WriteALU, ReadALU]>;
1542 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1543 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1545 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1547 Sched<[WriteALUsi, ReadALU]>;
1549 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1550 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1552 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1554 Sched<[WriteALUSsr, ReadALUsr]>;
1558 /// AI1_cmp_irs - Defines a set of (op r, {mod_imm|r|so_reg}) cmp / test
1559 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1560 /// a explicit result, only implicitly set CPSR.
1561 let isCompare = 1, Defs = [CPSR] in {
1562 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1563 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1564 SDPatternOperator opnode, bit Commutable = 0,
1565 string rrDecoderMethod = ""> {
1566 def ri : AI1<opcod, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, iii,
1568 [(opnode GPR:$Rn, mod_imm:$imm)]>,
1569 Sched<[WriteCMP, ReadALU]> {
1574 let Inst{19-16} = Rn;
1575 let Inst{15-12} = 0b0000;
1576 let Inst{11-0} = imm;
1578 let Unpredictable{15-12} = 0b1111;
1580 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1582 [(opnode GPR:$Rn, GPR:$Rm)]>,
1583 Sched<[WriteCMP, ReadALU, ReadALU]> {
1586 let isCommutable = Commutable;
1589 let Inst{19-16} = Rn;
1590 let Inst{15-12} = 0b0000;
1591 let Inst{11-4} = 0b00000000;
1593 let DecoderMethod = rrDecoderMethod;
1595 let Unpredictable{15-12} = 0b1111;
1597 def rsi : AI1<opcod, (outs),
1598 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1599 opc, "\t$Rn, $shift",
1600 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1601 Sched<[WriteCMPsi, ReadALU]> {
1606 let Inst{19-16} = Rn;
1607 let Inst{15-12} = 0b0000;
1608 let Inst{11-5} = shift{11-5};
1610 let Inst{3-0} = shift{3-0};
1612 let Unpredictable{15-12} = 0b1111;
1614 def rsr : AI1<opcod, (outs),
1615 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1616 opc, "\t$Rn, $shift",
1617 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1618 Sched<[WriteCMPsr, ReadALU]> {
1623 let Inst{19-16} = Rn;
1624 let Inst{15-12} = 0b0000;
1625 let Inst{11-8} = shift{11-8};
1627 let Inst{6-5} = shift{6-5};
1629 let Inst{3-0} = shift{3-0};
1631 let Unpredictable{15-12} = 0b1111;
1637 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1638 /// register and one whose operand is a register rotated by 8/16/24.
1639 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1640 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1641 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1642 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1643 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1644 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1648 let Inst{19-16} = 0b1111;
1649 let Inst{15-12} = Rd;
1650 let Inst{11-10} = rot;
1654 class AI_ext_rrot_np<bits<8> opcod, string opc>
1655 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1656 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1657 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1659 let Inst{19-16} = 0b1111;
1660 let Inst{11-10} = rot;
1663 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1664 /// register and one whose operand is a register rotated by 8/16/24.
1665 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1666 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1667 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1668 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1669 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1670 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1675 let Inst{19-16} = Rn;
1676 let Inst{15-12} = Rd;
1677 let Inst{11-10} = rot;
1678 let Inst{9-4} = 0b000111;
1682 class AI_exta_rrot_np<bits<8> opcod, string opc>
1683 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1684 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1685 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1688 let Inst{19-16} = Rn;
1689 let Inst{11-10} = rot;
1692 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1693 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1694 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, SDNode opnode,
1695 bit Commutable = 0> {
1696 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1697 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1698 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1699 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm, CPSR))]>,
1701 Sched<[WriteALU, ReadALU]> {
1706 let Inst{15-12} = Rd;
1707 let Inst{19-16} = Rn;
1708 let Inst{11-0} = imm;
1710 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1711 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1712 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1714 Sched<[WriteALU, ReadALU, ReadALU]> {
1718 let Inst{11-4} = 0b00000000;
1720 let isCommutable = Commutable;
1722 let Inst{15-12} = Rd;
1723 let Inst{19-16} = Rn;
1725 def rsi : AsI1<opcod, (outs GPR:$Rd),
1726 (ins GPR:$Rn, so_reg_imm:$shift),
1727 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1728 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1730 Sched<[WriteALUsi, ReadALU]> {
1735 let Inst{19-16} = Rn;
1736 let Inst{15-12} = Rd;
1737 let Inst{11-5} = shift{11-5};
1739 let Inst{3-0} = shift{3-0};
1741 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1742 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1743 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1744 [(set GPRnopc:$Rd, CPSR,
1745 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1747 Sched<[WriteALUsr, ReadALUsr]> {
1752 let Inst{19-16} = Rn;
1753 let Inst{15-12} = Rd;
1754 let Inst{11-8} = shift{11-8};
1756 let Inst{6-5} = shift{6-5};
1758 let Inst{3-0} = shift{3-0};
1763 /// AI1_rsc_irs - Define instructions and patterns for rsc
1764 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1765 multiclass AI1_rsc_irs<bits<4> opcod, string opc, SDNode opnode> {
1766 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1767 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1768 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1769 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn, CPSR))]>,
1771 Sched<[WriteALU, ReadALU]> {
1776 let Inst{15-12} = Rd;
1777 let Inst{19-16} = Rn;
1778 let Inst{11-0} = imm;
1780 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1781 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1782 [/* pattern left blank */]>,
1783 Sched<[WriteALU, ReadALU, ReadALU]> {
1787 let Inst{11-4} = 0b00000000;
1790 let Inst{15-12} = Rd;
1791 let Inst{19-16} = Rn;
1793 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1794 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1795 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1797 Sched<[WriteALUsi, ReadALU]> {
1802 let Inst{19-16} = Rn;
1803 let Inst{15-12} = Rd;
1804 let Inst{11-5} = shift{11-5};
1806 let Inst{3-0} = shift{3-0};
1808 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1809 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1810 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1812 Sched<[WriteALUsr, ReadALUsr]> {
1817 let Inst{19-16} = Rn;
1818 let Inst{15-12} = Rd;
1819 let Inst{11-8} = shift{11-8};
1821 let Inst{6-5} = shift{6-5};
1823 let Inst{3-0} = shift{3-0};
1828 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1829 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1830 InstrItinClass iir, PatFrag opnode> {
1831 // Note: We use the complex addrmode_imm12 rather than just an input
1832 // GPR and a constrained immediate so that we can use this to match
1833 // frame index references and avoid matching constant pool references.
1834 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1835 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1836 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1839 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1840 let Inst{19-16} = addr{16-13}; // Rn
1841 let Inst{15-12} = Rt;
1842 let Inst{11-0} = addr{11-0}; // imm12
1844 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1845 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1846 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1849 let shift{4} = 0; // Inst{4} = 0
1850 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1851 let Inst{19-16} = shift{16-13}; // Rn
1852 let Inst{15-12} = Rt;
1853 let Inst{11-0} = shift{11-0};
1858 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1859 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1860 InstrItinClass iir, PatFrag opnode> {
1861 // Note: We use the complex addrmode_imm12 rather than just an input
1862 // GPR and a constrained immediate so that we can use this to match
1863 // frame index references and avoid matching constant pool references.
1864 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1865 (ins addrmode_imm12:$addr),
1866 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1867 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1870 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1871 let Inst{19-16} = addr{16-13}; // Rn
1872 let Inst{15-12} = Rt;
1873 let Inst{11-0} = addr{11-0}; // imm12
1875 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1876 (ins ldst_so_reg:$shift),
1877 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1878 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1881 let shift{4} = 0; // Inst{4} = 0
1882 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1883 let Inst{19-16} = shift{16-13}; // Rn
1884 let Inst{15-12} = Rt;
1885 let Inst{11-0} = shift{11-0};
1891 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1892 InstrItinClass iir, PatFrag opnode> {
1893 // Note: We use the complex addrmode_imm12 rather than just an input
1894 // GPR and a constrained immediate so that we can use this to match
1895 // frame index references and avoid matching constant pool references.
1896 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1897 (ins GPR:$Rt, addrmode_imm12:$addr),
1898 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1899 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1902 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1903 let Inst{19-16} = addr{16-13}; // Rn
1904 let Inst{15-12} = Rt;
1905 let Inst{11-0} = addr{11-0}; // imm12
1907 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1908 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1909 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1912 let shift{4} = 0; // Inst{4} = 0
1913 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1914 let Inst{19-16} = shift{16-13}; // Rn
1915 let Inst{15-12} = Rt;
1916 let Inst{11-0} = shift{11-0};
1920 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1921 InstrItinClass iir, PatFrag opnode> {
1922 // Note: We use the complex addrmode_imm12 rather than just an input
1923 // GPR and a constrained immediate so that we can use this to match
1924 // frame index references and avoid matching constant pool references.
1925 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1926 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1927 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1928 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1931 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1932 let Inst{19-16} = addr{16-13}; // Rn
1933 let Inst{15-12} = Rt;
1934 let Inst{11-0} = addr{11-0}; // imm12
1936 def rs : AI2ldst<0b011, 0, isByte, (outs),
1937 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1938 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1939 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1942 let shift{4} = 0; // Inst{4} = 0
1943 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1944 let Inst{19-16} = shift{16-13}; // Rn
1945 let Inst{15-12} = Rt;
1946 let Inst{11-0} = shift{11-0};
1951 //===----------------------------------------------------------------------===//
1953 //===----------------------------------------------------------------------===//
1955 //===----------------------------------------------------------------------===//
1956 // Miscellaneous Instructions.
1959 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1960 /// the function. The first operand is the ID# for this instruction, the second
1961 /// is the index into the MachineConstantPool that this is, the third is the
1962 /// size in bytes of this constant pool entry.
1963 let hasSideEffects = 0, isNotDuplicable = 1 in
1964 def CONSTPOOL_ENTRY :
1965 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1966 i32imm:$size), NoItinerary, []>;
1968 /// A jumptable consisting of direct 32-bit addresses of the destination basic
1969 /// blocks (either absolute, or relative to the start of the jump-table in PIC
1970 /// mode). Used mostly in ARM and Thumb-1 modes.
1971 def JUMPTABLE_ADDRS :
1972 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1973 i32imm:$size), NoItinerary, []>;
1975 /// A jumptable consisting of 32-bit jump instructions. Used for Thumb-2 tables
1976 /// that cannot be optimised to use TBB or TBH.
1977 def JUMPTABLE_INSTS :
1978 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1979 i32imm:$size), NoItinerary, []>;
1981 /// A jumptable consisting of 8-bit unsigned integers representing offsets from
1982 /// a TBB instruction.
1984 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1985 i32imm:$size), NoItinerary, []>;
1987 /// A jumptable consisting of 16-bit unsigned integers representing offsets from
1988 /// a TBH instruction.
1990 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1991 i32imm:$size), NoItinerary, []>;
1994 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1995 // from removing one half of the matched pairs. That breaks PEI, which assumes
1996 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1997 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1998 def ADJCALLSTACKUP :
1999 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
2000 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
2002 def ADJCALLSTACKDOWN :
2003 PseudoInst<(outs), (ins i32imm:$amt, i32imm:$amt2, pred:$p), NoItinerary,
2004 [(ARMcallseq_start timm:$amt, timm:$amt2)]>;
2007 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
2008 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
2009 Requires<[IsARM, HasV6]> {
2011 let Inst{27-8} = 0b00110010000011110000;
2012 let Inst{7-0} = imm;
2013 let DecoderMethod = "DecodeHINTInstruction";
2016 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6K]>;
2017 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6K]>;
2018 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6K]>;
2019 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6K]>;
2020 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6K]>;
2021 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
2022 def : InstAlias<"esb$p", (HINT 16, pred:$p)>, Requires<[IsARM, HasRAS]>;
2023 def : InstAlias<"csdb$p", (HINT 20, pred:$p)>, Requires<[IsARM, HasV6K]>;
2025 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
2027 [(set GPR:$Rd, (int_arm_sel GPR:$Rn, GPR:$Rm))]>,
2028 Requires<[IsARM, HasV6]> {
2033 let Inst{15-12} = Rd;
2034 let Inst{19-16} = Rn;
2035 let Inst{27-20} = 0b01101000;
2036 let Inst{7-4} = 0b1011;
2037 let Inst{11-8} = 0b1111;
2038 let Unpredictable{11-8} = 0b1111;
2041 // The 16-bit operand $val can be used by a debugger to store more information
2042 // about the breakpoint.
2043 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2044 "bkpt", "\t$val", []>, Requires<[IsARM]> {
2046 let Inst{3-0} = val{3-0};
2047 let Inst{19-8} = val{15-4};
2048 let Inst{27-20} = 0b00010010;
2049 let Inst{31-28} = 0xe; // AL
2050 let Inst{7-4} = 0b0111;
2052 // default immediate for breakpoint mnemonic
2053 def : InstAlias<"bkpt", (BKPT 0), 0>, Requires<[IsARM]>;
2055 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2056 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
2058 let Inst{3-0} = val{3-0};
2059 let Inst{19-8} = val{15-4};
2060 let Inst{27-20} = 0b00010000;
2061 let Inst{31-28} = 0xe; // AL
2062 let Inst{7-4} = 0b0111;
2065 // Change Processor State
2066 // FIXME: We should use InstAlias to handle the optional operands.
2067 class CPS<dag iops, string asm_ops>
2068 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
2069 []>, Requires<[IsARM]> {
2075 let Inst{31-28} = 0b1111;
2076 let Inst{27-20} = 0b00010000;
2077 let Inst{19-18} = imod;
2078 let Inst{17} = M; // Enabled if mode is set;
2079 let Inst{16-9} = 0b00000000;
2080 let Inst{8-6} = iflags;
2082 let Inst{4-0} = mode;
2085 let DecoderMethod = "DecodeCPSInstruction" in {
2087 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
2088 "$imod\t$iflags, $mode">;
2089 let mode = 0, M = 0 in
2090 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
2092 let imod = 0, iflags = 0, M = 1 in
2093 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
2096 // Preload signals the memory system of possible future data/instruction access.
2097 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
2099 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
2100 IIC_Preload, !strconcat(opc, "\t$addr"),
2101 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
2102 Sched<[WritePreLd]> {
2105 let Inst{31-26} = 0b111101;
2106 let Inst{25} = 0; // 0 for immediate form
2107 let Inst{24} = data;
2108 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2109 let Inst{22} = read;
2110 let Inst{21-20} = 0b01;
2111 let Inst{19-16} = addr{16-13}; // Rn
2112 let Inst{15-12} = 0b1111;
2113 let Inst{11-0} = addr{11-0}; // imm12
2116 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
2117 !strconcat(opc, "\t$shift"),
2118 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
2119 Sched<[WritePreLd]> {
2121 let Inst{31-26} = 0b111101;
2122 let Inst{25} = 1; // 1 for register form
2123 let Inst{24} = data;
2124 let Inst{23} = shift{12}; // U (add = ('U' == 1))
2125 let Inst{22} = read;
2126 let Inst{21-20} = 0b01;
2127 let Inst{19-16} = shift{16-13}; // Rn
2128 let Inst{15-12} = 0b1111;
2129 let Inst{11-0} = shift{11-0};
2134 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
2135 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
2136 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
2138 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
2139 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
2141 let Inst{31-10} = 0b1111000100000001000000;
2146 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
2147 [(int_arm_dbg imm0_15:$opt)]>, Requires<[IsARM, HasV7]> {
2149 let Inst{27-4} = 0b001100100000111100001111;
2150 let Inst{3-0} = opt;
2153 // A8.8.247 UDF - Undefined (Encoding A1)
2154 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
2155 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
2157 let Inst{31-28} = 0b1110; // AL
2158 let Inst{27-25} = 0b011;
2159 let Inst{24-20} = 0b11111;
2160 let Inst{19-8} = imm16{15-4};
2161 let Inst{7-4} = 0b1111;
2162 let Inst{3-0} = imm16{3-0};
2166 * A5.4 Permanently UNDEFINED instructions.
2168 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
2169 * Other UDF encodings generate SIGILL.
2171 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
2173 * 1110 0111 1111 iiii iiii iiii 1111 iiii
2175 * 1101 1110 iiii iiii
2176 * It uses the following encoding:
2177 * 1110 0111 1111 1110 1101 1110 1111 0000
2178 * - In ARM: UDF #60896;
2179 * - In Thumb: UDF #254 followed by a branch-to-self.
2181 let isBarrier = 1, isTerminator = 1 in
2182 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2184 Requires<[IsARM,UseNaClTrap]> {
2185 let Inst = 0xe7fedef0;
2187 let isBarrier = 1, isTerminator = 1 in
2188 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2190 Requires<[IsARM,DontUseNaClTrap]> {
2191 let Inst = 0xe7ffdefe;
2194 // Address computation and loads and stores in PIC mode.
2195 let isNotDuplicable = 1 in {
2196 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2198 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2199 Sched<[WriteALU, ReadALU]>;
2201 let AddedComplexity = 10 in {
2202 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2204 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2206 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2208 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2210 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2212 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2214 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2216 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2218 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2220 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2222 let AddedComplexity = 10 in {
2223 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2224 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2226 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2227 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2228 addrmodepc:$addr)]>;
2230 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2231 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2233 } // isNotDuplicable = 1
2236 // LEApcrel - Load a pc-relative address into a register without offending the
2238 let hasSideEffects = 0, isReMaterializable = 1 in
2239 // The 'adr' mnemonic encodes differently if the label is before or after
2240 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2241 // know until then which form of the instruction will be used.
2242 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2243 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2244 Sched<[WriteALU, ReadALU]> {
2247 let Inst{27-25} = 0b001;
2249 let Inst{23-22} = label{13-12};
2252 let Inst{19-16} = 0b1111;
2253 let Inst{15-12} = Rd;
2254 let Inst{11-0} = label{11-0};
2257 let hasSideEffects = 1 in {
2258 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2259 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2261 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2262 (ins i32imm:$label, pred:$p),
2263 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2266 //===----------------------------------------------------------------------===//
2267 // Control Flow Instructions.
2270 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2272 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2273 "bx", "\tlr", [(ARMretflag)]>,
2274 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2275 let Inst{27-0} = 0b0001001011111111111100011110;
2279 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2280 "mov", "\tpc, lr", [(ARMretflag)]>,
2281 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2282 let Inst{27-0} = 0b0001101000001111000000001110;
2285 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2286 // the user-space one).
2287 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2289 [(ARMintretflag imm:$offset)]>;
2292 // Indirect branches
2293 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2295 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2296 [(brind GPR:$dst)]>,
2297 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2299 let Inst{31-4} = 0b1110000100101111111111110001;
2300 let Inst{3-0} = dst;
2303 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2304 "bx", "\t$dst", [/* pattern left blank */]>,
2305 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2307 let Inst{27-4} = 0b000100101111111111110001;
2308 let Inst{3-0} = dst;
2312 // SP is marked as a use to prevent stack-pointer assignments that appear
2313 // immediately before calls from potentially appearing dead.
2315 // FIXME: Do we really need a non-predicated version? If so, it should
2316 // at least be a pseudo instruction expanding to the predicated version
2317 // at MC lowering time.
2318 Defs = [LR], Uses = [SP] in {
2319 def BL : ABXI<0b1011, (outs), (ins arm_bl_target:$func),
2320 IIC_Br, "bl\t$func",
2321 [(ARMcall tglobaladdr:$func)]>,
2322 Requires<[IsARM]>, Sched<[WriteBrL]> {
2323 let Inst{31-28} = 0b1110;
2325 let Inst{23-0} = func;
2326 let DecoderMethod = "DecodeBranchImmInstruction";
2329 def BL_pred : ABI<0b1011, (outs), (ins arm_bl_target:$func),
2330 IIC_Br, "bl", "\t$func",
2331 [(ARMcall_pred tglobaladdr:$func)]>,
2332 Requires<[IsARM]>, Sched<[WriteBrL]> {
2334 let Inst{23-0} = func;
2335 let DecoderMethod = "DecodeBranchImmInstruction";
2339 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2340 IIC_Br, "blx\t$func",
2341 [(ARMcall GPR:$func)]>,
2342 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2344 let Inst{31-4} = 0b1110000100101111111111110011;
2345 let Inst{3-0} = func;
2348 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2349 IIC_Br, "blx", "\t$func",
2350 [(ARMcall_pred GPR:$func)]>,
2351 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2353 let Inst{27-4} = 0b000100101111111111110011;
2354 let Inst{3-0} = func;
2358 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2359 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2360 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2361 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2364 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2365 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2366 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2368 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2369 // return stack predictor.
2370 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins arm_bl_target:$func),
2371 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2372 Requires<[IsARM]>, Sched<[WriteBr]>;
2375 let isBranch = 1, isTerminator = 1 in {
2376 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2377 // a two-value operand where a dag node expects two operands. :(
2378 def Bcc : ABI<0b1010, (outs), (ins arm_br_target:$target),
2379 IIC_Br, "b", "\t$target",
2380 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2383 let Inst{23-0} = target;
2384 let DecoderMethod = "DecodeBranchImmInstruction";
2387 let isBarrier = 1 in {
2388 // B is "predicable" since it's just a Bcc with an 'always' condition.
2389 let isPredicable = 1 in
2390 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2391 // should be sufficient.
2392 // FIXME: Is B really a Barrier? That doesn't seem right.
2393 def B : ARMPseudoExpand<(outs), (ins arm_br_target:$target), 4, IIC_Br,
2394 [(br bb:$target)], (Bcc arm_br_target:$target,
2395 (ops 14, zero_reg))>,
2398 let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
2399 def BR_JTr : ARMPseudoInst<(outs),
2400 (ins GPR:$target, i32imm:$jt),
2402 [(ARMbrjt GPR:$target, tjumptable:$jt)]>,
2404 def BR_JTm_i12 : ARMPseudoInst<(outs),
2405 (ins addrmode_imm12:$target, i32imm:$jt),
2407 [(ARMbrjt (i32 (load addrmode_imm12:$target)),
2408 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2409 def BR_JTm_rs : ARMPseudoInst<(outs),
2410 (ins ldst_so_reg:$target, i32imm:$jt),
2412 [(ARMbrjt (i32 (load ldst_so_reg:$target)),
2413 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2414 def BR_JTadd : ARMPseudoInst<(outs),
2415 (ins GPR:$target, GPR:$idx, i32imm:$jt),
2417 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt)]>,
2418 Sched<[WriteBrTbl]>;
2419 } // isNotDuplicable = 1, isIndirectBranch = 1
2425 def BLXi : AXI<(outs), (ins arm_blx_target:$target), BrMiscFrm, NoItinerary,
2426 "blx\t$target", []>,
2427 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2428 let Inst{31-25} = 0b1111101;
2430 let Inst{23-0} = target{24-1};
2431 let Inst{24} = target{0};
2435 // Branch and Exchange Jazelle
2436 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2437 [/* pattern left blank */]>, Sched<[WriteBr]> {
2439 let Inst{23-20} = 0b0010;
2440 let Inst{19-8} = 0xfff;
2441 let Inst{7-4} = 0b0010;
2442 let Inst{3-0} = func;
2448 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2449 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2452 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2455 def TAILJMPd : ARMPseudoExpand<(outs), (ins arm_br_target:$dst),
2457 (Bcc arm_br_target:$dst, (ops 14, zero_reg))>,
2458 Requires<[IsARM]>, Sched<[WriteBr]>;
2460 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2462 (BX GPR:$dst)>, Sched<[WriteBr]>,
2463 Requires<[IsARM, HasV4T]>;
2466 // Secure Monitor Call is a system instruction.
2467 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2468 []>, Requires<[IsARM, HasTrustZone]> {
2470 let Inst{23-4} = 0b01100000000000000111;
2471 let Inst{3-0} = opt;
2473 def : MnemonicAlias<"smi", "smc">;
2475 // Supervisor Call (Software Interrupt)
2476 let isCall = 1, Uses = [SP] in {
2477 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2480 let Inst{23-0} = svc;
2484 // Store Return State
2485 class SRSI<bit wb, string asm>
2486 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2487 NoItinerary, asm, "", []> {
2489 let Inst{31-28} = 0b1111;
2490 let Inst{27-25} = 0b100;
2494 let Inst{19-16} = 0b1101; // SP
2495 let Inst{15-5} = 0b00000101000;
2496 let Inst{4-0} = mode;
2499 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2500 let Inst{24-23} = 0;
2502 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2503 let Inst{24-23} = 0;
2505 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2506 let Inst{24-23} = 0b10;
2508 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2509 let Inst{24-23} = 0b10;
2511 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2512 let Inst{24-23} = 0b01;
2514 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2515 let Inst{24-23} = 0b01;
2517 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2518 let Inst{24-23} = 0b11;
2520 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2521 let Inst{24-23} = 0b11;
2524 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2525 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2527 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2528 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2530 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2531 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2533 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2534 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2536 // Return From Exception
2537 class RFEI<bit wb, string asm>
2538 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2539 NoItinerary, asm, "", []> {
2541 let Inst{31-28} = 0b1111;
2542 let Inst{27-25} = 0b100;
2546 let Inst{19-16} = Rn;
2547 let Inst{15-0} = 0xa00;
2550 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2551 let Inst{24-23} = 0;
2553 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2554 let Inst{24-23} = 0;
2556 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2557 let Inst{24-23} = 0b10;
2559 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2560 let Inst{24-23} = 0b10;
2562 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2563 let Inst{24-23} = 0b01;
2565 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2566 let Inst{24-23} = 0b01;
2568 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2569 let Inst{24-23} = 0b11;
2571 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2572 let Inst{24-23} = 0b11;
2575 // Hypervisor Call is a system instruction
2577 def HVC : AInoP< (outs), (ins imm0_65535:$imm), BrFrm, NoItinerary,
2578 "hvc", "\t$imm", []>,
2579 Requires<[IsARM, HasVirtualization]> {
2582 // Even though HVC isn't predicable, it's encoding includes a condition field.
2583 // The instruction is undefined if the condition field is 0xf otherwise it is
2584 // unpredictable if it isn't condition AL (0xe).
2585 let Inst{31-28} = 0b1110;
2586 let Unpredictable{31-28} = 0b1111;
2587 let Inst{27-24} = 0b0001;
2588 let Inst{23-20} = 0b0100;
2589 let Inst{19-8} = imm{15-4};
2590 let Inst{7-4} = 0b0111;
2591 let Inst{3-0} = imm{3-0};
2595 // Return from exception in Hypervisor mode.
2596 let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
2597 def ERET : ABI<0b0001, (outs), (ins), NoItinerary, "eret", "", []>,
2598 Requires<[IsARM, HasVirtualization]> {
2599 let Inst{23-0} = 0b011000000000000001101110;
2602 //===----------------------------------------------------------------------===//
2603 // Load / Store Instructions.
2609 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si, load>;
2610 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2612 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si, store>;
2613 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2616 // Special LDR for loads from non-pc-relative constpools.
2617 let canFoldAsLoad = 1, mayLoad = 1, hasSideEffects = 0,
2618 isReMaterializable = 1, isCodeGenOnly = 1 in
2619 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2620 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2624 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2625 let Inst{19-16} = 0b1111;
2626 let Inst{15-12} = Rt;
2627 let Inst{11-0} = addr{11-0}; // imm12
2630 // Loads with zero extension
2631 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2632 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2633 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2635 // Loads with sign extension
2636 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2637 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2638 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2640 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2641 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2642 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2644 let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
2646 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2647 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2648 Requires<[IsARM, HasV5TE]>;
2651 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2652 NoItinerary, "lda", "\t$Rt, $addr", []>;
2653 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2654 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2655 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2656 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2659 multiclass AI2_ldridx<bit isByte, string opc,
2660 InstrItinClass iii, InstrItinClass iir> {
2661 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2662 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2663 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2666 let Inst{23} = addr{12};
2667 let Inst{19-16} = addr{16-13};
2668 let Inst{11-0} = addr{11-0};
2669 let DecoderMethod = "DecodeLDRPreImm";
2672 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2673 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2674 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2677 let Inst{23} = addr{12};
2678 let Inst{19-16} = addr{16-13};
2679 let Inst{11-0} = addr{11-0};
2681 let DecoderMethod = "DecodeLDRPreReg";
2684 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2685 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2686 IndexModePost, LdFrm, iir,
2687 opc, "\t$Rt, $addr, $offset",
2688 "$addr.base = $Rn_wb", []> {
2694 let Inst{23} = offset{12};
2695 let Inst{19-16} = addr;
2696 let Inst{11-0} = offset{11-0};
2699 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2702 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2703 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2704 IndexModePost, LdFrm, iii,
2705 opc, "\t$Rt, $addr, $offset",
2706 "$addr.base = $Rn_wb", []> {
2712 let Inst{23} = offset{12};
2713 let Inst{19-16} = addr;
2714 let Inst{11-0} = offset{11-0};
2716 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2721 let mayLoad = 1, hasSideEffects = 0 in {
2722 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2723 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2724 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2725 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2728 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2729 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2730 (ins addrmode3_pre:$addr), IndexModePre,
2732 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2734 let Inst{23} = addr{8}; // U bit
2735 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2736 let Inst{19-16} = addr{12-9}; // Rn
2737 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2738 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2739 let DecoderMethod = "DecodeAddrMode3Instruction";
2741 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2742 (ins addr_offset_none:$addr, am3offset:$offset),
2743 IndexModePost, LdMiscFrm, itin,
2744 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2748 let Inst{23} = offset{8}; // U bit
2749 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2750 let Inst{19-16} = addr;
2751 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2752 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2753 let DecoderMethod = "DecodeAddrMode3Instruction";
2757 let mayLoad = 1, hasSideEffects = 0 in {
2758 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2759 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2760 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2761 let hasExtraDefRegAllocReq = 1 in {
2762 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2763 (ins addrmode3_pre:$addr), IndexModePre,
2764 LdMiscFrm, IIC_iLoad_d_ru,
2765 "ldrd", "\t$Rt, $Rt2, $addr!",
2766 "$addr.base = $Rn_wb", []> {
2768 let Inst{23} = addr{8}; // U bit
2769 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2770 let Inst{19-16} = addr{12-9}; // Rn
2771 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2772 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2773 let DecoderMethod = "DecodeAddrMode3Instruction";
2775 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2776 (ins addr_offset_none:$addr, am3offset:$offset),
2777 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2778 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2779 "$addr.base = $Rn_wb", []> {
2782 let Inst{23} = offset{8}; // U bit
2783 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2784 let Inst{19-16} = addr;
2785 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2786 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2787 let DecoderMethod = "DecodeAddrMode3Instruction";
2789 } // hasExtraDefRegAllocReq = 1
2790 } // mayLoad = 1, hasSideEffects = 0
2792 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2793 let mayLoad = 1, hasSideEffects = 0 in {
2794 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2795 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2796 IndexModePost, LdFrm, IIC_iLoad_ru,
2797 "ldrt", "\t$Rt, $addr, $offset",
2798 "$addr.base = $Rn_wb", []> {
2804 let Inst{23} = offset{12};
2805 let Inst{21} = 1; // overwrite
2806 let Inst{19-16} = addr;
2807 let Inst{11-5} = offset{11-5};
2809 let Inst{3-0} = offset{3-0};
2810 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2814 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2815 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2816 IndexModePost, LdFrm, IIC_iLoad_ru,
2817 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2823 let Inst{23} = offset{12};
2824 let Inst{21} = 1; // overwrite
2825 let Inst{19-16} = addr;
2826 let Inst{11-0} = offset{11-0};
2827 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2830 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2831 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2832 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2833 "ldrbt", "\t$Rt, $addr, $offset",
2834 "$addr.base = $Rn_wb", []> {
2840 let Inst{23} = offset{12};
2841 let Inst{21} = 1; // overwrite
2842 let Inst{19-16} = addr;
2843 let Inst{11-5} = offset{11-5};
2845 let Inst{3-0} = offset{3-0};
2846 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2850 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2851 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2852 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2853 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2859 let Inst{23} = offset{12};
2860 let Inst{21} = 1; // overwrite
2861 let Inst{19-16} = addr;
2862 let Inst{11-0} = offset{11-0};
2863 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2866 multiclass AI3ldrT<bits<4> op, string opc> {
2867 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2868 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2869 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2870 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2872 let Inst{23} = offset{8};
2874 let Inst{11-8} = offset{7-4};
2875 let Inst{3-0} = offset{3-0};
2877 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2878 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2879 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2880 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2882 let Inst{23} = Rm{4};
2885 let Unpredictable{11-8} = 0b1111;
2886 let Inst{3-0} = Rm{3-0};
2887 let DecoderMethod = "DecodeLDR";
2891 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2892 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2893 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2897 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2901 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2904 // Pseudo instruction ldr Rt, =immediate
2906 : ARMAsmPseudo<"ldr${q} $Rt, $immediate",
2907 (ins const_pool_asm_imm:$immediate, pred:$q),
2912 // Stores with truncate
2913 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2914 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2915 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2918 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2919 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2920 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2921 Requires<[IsARM, HasV5TE]> {
2927 multiclass AI2_stridx<bit isByte, string opc,
2928 InstrItinClass iii, InstrItinClass iir> {
2929 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2930 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2932 opc, "\t$Rt, $addr!",
2933 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2936 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2937 let Inst{19-16} = addr{16-13}; // Rn
2938 let Inst{11-0} = addr{11-0}; // imm12
2939 let DecoderMethod = "DecodeSTRPreImm";
2942 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2943 (ins GPR:$Rt, ldst_so_reg:$addr),
2944 IndexModePre, StFrm, iir,
2945 opc, "\t$Rt, $addr!",
2946 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2949 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2950 let Inst{19-16} = addr{16-13}; // Rn
2951 let Inst{11-0} = addr{11-0};
2952 let Inst{4} = 0; // Inst{4} = 0
2953 let DecoderMethod = "DecodeSTRPreReg";
2955 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2956 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2957 IndexModePost, StFrm, iir,
2958 opc, "\t$Rt, $addr, $offset",
2959 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2965 let Inst{23} = offset{12};
2966 let Inst{19-16} = addr;
2967 let Inst{11-0} = offset{11-0};
2970 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2973 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2974 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2975 IndexModePost, StFrm, iii,
2976 opc, "\t$Rt, $addr, $offset",
2977 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2983 let Inst{23} = offset{12};
2984 let Inst{19-16} = addr;
2985 let Inst{11-0} = offset{11-0};
2987 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2991 let mayStore = 1, hasSideEffects = 0 in {
2992 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2993 // IIC_iStore_siu depending on whether it the offset register is shifted.
2994 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2995 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2998 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2999 am2offset_reg:$offset),
3000 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
3001 am2offset_reg:$offset)>;
3002 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
3003 am2offset_imm:$offset),
3004 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
3005 am2offset_imm:$offset)>;
3006 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
3007 am2offset_reg:$offset),
3008 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
3009 am2offset_reg:$offset)>;
3010 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
3011 am2offset_imm:$offset),
3012 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
3013 am2offset_imm:$offset)>;
3015 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
3016 // put the patterns on the instruction definitions directly as ISel wants
3017 // the address base and offset to be separate operands, not a single
3018 // complex operand like we represent the instructions themselves. The
3019 // pseudos map between the two.
3020 let usesCustomInserter = 1,
3021 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
3022 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3023 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
3026 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
3027 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3028 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
3031 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
3032 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3033 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
3036 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
3037 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3038 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
3041 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
3042 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3043 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
3046 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
3051 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
3052 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
3053 StMiscFrm, IIC_iStore_bh_ru,
3054 "strh", "\t$Rt, $addr!",
3055 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
3057 let Inst{23} = addr{8}; // U bit
3058 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3059 let Inst{19-16} = addr{12-9}; // Rn
3060 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3061 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3062 let DecoderMethod = "DecodeAddrMode3Instruction";
3065 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
3066 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
3067 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
3068 "strh", "\t$Rt, $addr, $offset",
3069 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb",
3070 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
3071 addr_offset_none:$addr,
3072 am3offset:$offset))]> {
3075 let Inst{23} = offset{8}; // U bit
3076 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3077 let Inst{19-16} = addr;
3078 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3079 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3080 let DecoderMethod = "DecodeAddrMode3Instruction";
3083 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
3084 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
3085 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
3086 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
3087 "strd", "\t$Rt, $Rt2, $addr!",
3088 "$addr.base = $Rn_wb", []> {
3090 let Inst{23} = addr{8}; // U bit
3091 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3092 let Inst{19-16} = addr{12-9}; // Rn
3093 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3094 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3095 let DecoderMethod = "DecodeAddrMode3Instruction";
3098 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
3099 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
3101 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
3102 "strd", "\t$Rt, $Rt2, $addr, $offset",
3103 "$addr.base = $Rn_wb", []> {
3106 let Inst{23} = offset{8}; // U bit
3107 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3108 let Inst{19-16} = addr;
3109 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3110 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3111 let DecoderMethod = "DecodeAddrMode3Instruction";
3113 } // mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1
3115 // STRT, STRBT, and STRHT
3117 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3118 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3119 IndexModePost, StFrm, IIC_iStore_bh_ru,
3120 "strbt", "\t$Rt, $addr, $offset",
3121 "$addr.base = $Rn_wb", []> {
3127 let Inst{23} = offset{12};
3128 let Inst{21} = 1; // overwrite
3129 let Inst{19-16} = addr;
3130 let Inst{11-5} = offset{11-5};
3132 let Inst{3-0} = offset{3-0};
3133 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3137 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3138 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3139 IndexModePost, StFrm, IIC_iStore_bh_ru,
3140 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3146 let Inst{23} = offset{12};
3147 let Inst{21} = 1; // overwrite
3148 let Inst{19-16} = addr;
3149 let Inst{11-0} = offset{11-0};
3150 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3154 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
3155 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3157 let mayStore = 1, hasSideEffects = 0 in {
3158 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3159 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3160 IndexModePost, StFrm, IIC_iStore_ru,
3161 "strt", "\t$Rt, $addr, $offset",
3162 "$addr.base = $Rn_wb", []> {
3168 let Inst{23} = offset{12};
3169 let Inst{21} = 1; // overwrite
3170 let Inst{19-16} = addr;
3171 let Inst{11-5} = offset{11-5};
3173 let Inst{3-0} = offset{3-0};
3174 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3178 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3179 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3180 IndexModePost, StFrm, IIC_iStore_ru,
3181 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3187 let Inst{23} = offset{12};
3188 let Inst{21} = 1; // overwrite
3189 let Inst{19-16} = addr;
3190 let Inst{11-0} = offset{11-0};
3191 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3196 : ARMAsmPseudo<"strt${q} $Rt, $addr",
3197 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3199 multiclass AI3strT<bits<4> op, string opc> {
3200 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3201 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
3202 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3203 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
3205 let Inst{23} = offset{8};
3207 let Inst{11-8} = offset{7-4};
3208 let Inst{3-0} = offset{3-0};
3210 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3211 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
3212 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3213 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
3215 let Inst{23} = Rm{4};
3218 let Inst{3-0} = Rm{3-0};
3223 defm STRHT : AI3strT<0b1011, "strht">;
3225 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3226 NoItinerary, "stl", "\t$Rt, $addr", []>;
3227 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3228 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3229 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3230 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3232 //===----------------------------------------------------------------------===//
3233 // Load / store multiple Instructions.
3236 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3237 InstrItinClass itin, InstrItinClass itin_upd> {
3238 // IA is the default, so no need for an explicit suffix on the
3239 // mnemonic here. Without it is the canonical spelling.
3241 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3242 IndexModeNone, f, itin,
3243 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3244 let Inst{24-23} = 0b01; // Increment After
3245 let Inst{22} = P_bit;
3246 let Inst{21} = 0; // No writeback
3247 let Inst{20} = L_bit;
3250 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3251 IndexModeUpd, f, itin_upd,
3252 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3253 let Inst{24-23} = 0b01; // Increment After
3254 let Inst{22} = P_bit;
3255 let Inst{21} = 1; // Writeback
3256 let Inst{20} = L_bit;
3258 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3261 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3262 IndexModeNone, f, itin,
3263 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3264 let Inst{24-23} = 0b00; // Decrement After
3265 let Inst{22} = P_bit;
3266 let Inst{21} = 0; // No writeback
3267 let Inst{20} = L_bit;
3270 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3271 IndexModeUpd, f, itin_upd,
3272 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3273 let Inst{24-23} = 0b00; // Decrement After
3274 let Inst{22} = P_bit;
3275 let Inst{21} = 1; // Writeback
3276 let Inst{20} = L_bit;
3278 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3281 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3282 IndexModeNone, f, itin,
3283 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3284 let Inst{24-23} = 0b10; // Decrement Before
3285 let Inst{22} = P_bit;
3286 let Inst{21} = 0; // No writeback
3287 let Inst{20} = L_bit;
3290 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3291 IndexModeUpd, f, itin_upd,
3292 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3293 let Inst{24-23} = 0b10; // Decrement Before
3294 let Inst{22} = P_bit;
3295 let Inst{21} = 1; // Writeback
3296 let Inst{20} = L_bit;
3298 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3301 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3302 IndexModeNone, f, itin,
3303 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3304 let Inst{24-23} = 0b11; // Increment Before
3305 let Inst{22} = P_bit;
3306 let Inst{21} = 0; // No writeback
3307 let Inst{20} = L_bit;
3310 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3311 IndexModeUpd, f, itin_upd,
3312 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3313 let Inst{24-23} = 0b11; // Increment Before
3314 let Inst{22} = P_bit;
3315 let Inst{21} = 1; // Writeback
3316 let Inst{20} = L_bit;
3318 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3322 let hasSideEffects = 0 in {
3324 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3325 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3326 IIC_iLoad_mu>, ComplexDeprecationPredicate<"ARMLoad">;
3328 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3329 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3331 ComplexDeprecationPredicate<"ARMStore">;
3335 // FIXME: remove when we have a way to marking a MI with these properties.
3336 // FIXME: Should pc be an implicit operand like PICADD, etc?
3337 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3338 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3339 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3340 reglist:$regs, variable_ops),
3341 4, IIC_iLoad_mBr, [],
3342 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3343 RegConstraint<"$Rn = $wb">;
3345 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3346 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3349 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3350 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3355 //===----------------------------------------------------------------------===//
3356 // Move Instructions.
3359 let hasSideEffects = 0, isMoveReg = 1 in
3360 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3361 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3365 let Inst{19-16} = 0b0000;
3366 let Inst{11-4} = 0b00000000;
3369 let Inst{15-12} = Rd;
3372 // A version for the smaller set of tail call registers.
3373 let hasSideEffects = 0 in
3374 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3375 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3379 let Inst{11-4} = 0b00000000;
3382 let Inst{15-12} = Rd;
3385 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3386 DPSoRegRegFrm, IIC_iMOVsr,
3387 "mov", "\t$Rd, $src",
3388 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3392 let Inst{15-12} = Rd;
3393 let Inst{19-16} = 0b0000;
3394 let Inst{11-8} = src{11-8};
3396 let Inst{6-5} = src{6-5};
3398 let Inst{3-0} = src{3-0};
3402 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3403 DPSoRegImmFrm, IIC_iMOVsr,
3404 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3405 UnaryDP, Sched<[WriteALU]> {
3408 let Inst{15-12} = Rd;
3409 let Inst{19-16} = 0b0000;
3410 let Inst{11-5} = src{11-5};
3412 let Inst{3-0} = src{3-0};
3416 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3417 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm, IIC_iMOVi,
3418 "mov", "\t$Rd, $imm", [(set GPR:$Rd, mod_imm:$imm)]>, UnaryDP,
3423 let Inst{15-12} = Rd;
3424 let Inst{19-16} = 0b0000;
3425 let Inst{11-0} = imm;
3428 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3429 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3431 "movw", "\t$Rd, $imm",
3432 [(set GPR:$Rd, imm0_65535:$imm)]>,
3433 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3436 let Inst{15-12} = Rd;
3437 let Inst{11-0} = imm{11-0};
3438 let Inst{19-16} = imm{15-12};
3441 let DecoderMethod = "DecodeArmMOVTWInstruction";
3444 def : InstAlias<"mov${p} $Rd, $imm",
3445 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p), 0>,
3446 Requires<[IsARM, HasV6T2]>;
3448 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3449 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3452 let Constraints = "$src = $Rd" in {
3453 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3454 (ins GPR:$src, imm0_65535_expr:$imm),
3456 "movt", "\t$Rd, $imm",
3458 (or (and GPR:$src, 0xffff),
3459 lo16AllZero:$imm))]>, UnaryDP,
3460 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3463 let Inst{15-12} = Rd;
3464 let Inst{11-0} = imm{11-0};
3465 let Inst{19-16} = imm{15-12};
3468 let DecoderMethod = "DecodeArmMOVTWInstruction";
3471 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3472 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3477 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3478 Requires<[IsARM, HasV6T2]>;
3480 let Uses = [CPSR] in
3481 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3482 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3483 Requires<[IsARM]>, Sched<[WriteALU]>;
3485 // These aren't really mov instructions, but we have to define them this way
3486 // due to flag operands.
3488 let Defs = [CPSR] in {
3489 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3490 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3491 Sched<[WriteALU]>, Requires<[IsARM]>;
3492 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3493 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3494 Sched<[WriteALU]>, Requires<[IsARM]>;
3497 //===----------------------------------------------------------------------===//
3498 // Extend Instructions.
3503 def SXTB : AI_ext_rrot<0b01101010,
3504 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3505 def SXTH : AI_ext_rrot<0b01101011,
3506 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3508 def SXTAB : AI_exta_rrot<0b01101010,
3509 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3510 def SXTAH : AI_exta_rrot<0b01101011,
3511 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3513 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, rot_imm:$rot), i8)),
3514 (SXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3515 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, imm8_or_16:$rot),
3517 (SXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3519 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3520 def : ARMV6Pat<(int_arm_sxtb16 GPR:$Src),
3521 (SXTB16 GPR:$Src, 0)>;
3523 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3524 def : ARMV6Pat<(int_arm_sxtab16 GPR:$LHS, GPR:$RHS),
3525 (SXTAB16 GPR:$LHS, GPR:$RHS, 0)>;
3529 let AddedComplexity = 16 in {
3530 def UXTB : AI_ext_rrot<0b01101110,
3531 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3532 def UXTH : AI_ext_rrot<0b01101111,
3533 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3534 def UXTB16 : AI_ext_rrot<0b01101100,
3535 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3537 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3538 // The transformation should probably be done as a combiner action
3539 // instead so we can include a check for masking back in the upper
3540 // eight bits of the source into the lower eight bits of the result.
3541 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3542 // (UXTB16r_rot GPR:$Src, 3)>;
3543 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3544 (UXTB16 GPR:$Src, 1)>;
3545 def : ARMV6Pat<(int_arm_uxtb16 GPR:$Src),
3546 (UXTB16 GPR:$Src, 0)>;
3548 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3549 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3550 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3551 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3553 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, rot_imm:$rot), 0xFF)),
3554 (UXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3555 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, imm8_or_16:$rot), 0xFFFF)),
3556 (UXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3559 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3560 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3561 def : ARMV6Pat<(int_arm_uxtab16 GPR:$LHS, GPR:$RHS),
3562 (UXTAB16 GPR:$LHS, GPR:$RHS, 0)>;
3565 def SBFX : I<(outs GPRnopc:$Rd),
3566 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3567 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3568 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3569 Requires<[IsARM, HasV6T2]> {
3574 let Inst{27-21} = 0b0111101;
3575 let Inst{6-4} = 0b101;
3576 let Inst{20-16} = width;
3577 let Inst{15-12} = Rd;
3578 let Inst{11-7} = lsb;
3582 def UBFX : I<(outs GPRnopc:$Rd),
3583 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3584 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3585 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3586 Requires<[IsARM, HasV6T2]> {
3591 let Inst{27-21} = 0b0111111;
3592 let Inst{6-4} = 0b101;
3593 let Inst{20-16} = width;
3594 let Inst{15-12} = Rd;
3595 let Inst{11-7} = lsb;
3599 //===----------------------------------------------------------------------===//
3600 // Arithmetic Instructions.
3604 defm ADD : AsI1_bin_irs<0b0100, "add",
3605 IIC_iALUi, IIC_iALUr, IIC_iALUsr, add, 1>;
3606 defm SUB : AsI1_bin_irs<0b0010, "sub",
3607 IIC_iALUi, IIC_iALUr, IIC_iALUsr, sub>;
3609 // ADD and SUB with 's' bit set.
3611 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3612 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3613 // AdjustInstrPostInstrSelection where we determine whether or not to
3614 // set the "s" bit based on CPSR liveness.
3616 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3617 // support for an optional CPSR definition that corresponds to the DAG
3618 // node's second value. We can then eliminate the implicit def of CPSR.
3620 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMaddc, 1>;
3621 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3624 defm ADC : AI1_adde_sube_irs<0b0101, "adc", ARMadde, 1>;
3625 defm SBC : AI1_adde_sube_irs<0b0110, "sbc", ARMsube>;
3627 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3628 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3631 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3632 // CPSR and the implicit def of CPSR is not needed.
3633 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3635 defm RSC : AI1_rsc_irs<0b0111, "rsc", ARMsube>;
3637 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3638 // The assume-no-carry-in form uses the negation of the input since add/sub
3639 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3640 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3642 def : ARMPat<(add GPR:$src, mod_imm_neg:$imm),
3643 (SUBri GPR:$src, mod_imm_neg:$imm)>;
3644 def : ARMPat<(ARMaddc GPR:$src, mod_imm_neg:$imm),
3645 (SUBSri GPR:$src, mod_imm_neg:$imm)>;
3647 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3648 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3649 Requires<[IsARM, HasV6T2]>;
3650 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3651 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3652 Requires<[IsARM, HasV6T2]>;
3654 // The with-carry-in form matches bitwise not instead of the negation.
3655 // Effectively, the inverse interpretation of the carry flag already accounts
3656 // for part of the negation.
3657 def : ARMPat<(ARMadde GPR:$src, mod_imm_not:$imm, CPSR),
3658 (SBCri GPR:$src, mod_imm_not:$imm)>;
3659 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3660 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>,
3661 Requires<[IsARM, HasV6T2]>;
3663 // Note: These are implemented in C++ code, because they have to generate
3664 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3666 // (mul X, 2^n+1) -> (add (X << n), X)
3667 // (mul X, 2^n-1) -> (rsb X, (X << n))
3669 // ARM Arithmetic Instruction
3670 // GPR:$dst = GPR:$a op GPR:$b
3671 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3672 list<dag> pattern = [],
3673 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3674 string asm = "\t$Rd, $Rn, $Rm">
3675 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3676 Sched<[WriteALU, ReadALU, ReadALU]> {
3680 let Inst{27-20} = op27_20;
3681 let Inst{11-4} = op11_4;
3682 let Inst{19-16} = Rn;
3683 let Inst{15-12} = Rd;
3686 let Unpredictable{11-8} = 0b1111;
3689 // Wrappers around the AAI class
3690 class AAIRevOpr<bits<8> op27_20, bits<8> op11_4, string opc,
3691 list<dag> pattern = []>
3692 : AAI<op27_20, op11_4, opc,
3694 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3697 class AAIIntrinsic<bits<8> op27_20, bits<8> op11_4, string opc,
3698 Intrinsic intrinsic>
3699 : AAI<op27_20, op11_4, opc,
3700 [(set GPRnopc:$Rd, (intrinsic GPRnopc:$Rn, GPRnopc:$Rm))]>;
3702 // Saturating add/subtract
3703 let hasSideEffects = 1 in {
3704 def QADD8 : AAIIntrinsic<0b01100010, 0b11111001, "qadd8", int_arm_qadd8>;
3705 def QADD16 : AAIIntrinsic<0b01100010, 0b11110001, "qadd16", int_arm_qadd16>;
3706 def QSUB16 : AAIIntrinsic<0b01100010, 0b11110111, "qsub16", int_arm_qsub16>;
3707 def QSUB8 : AAIIntrinsic<0b01100010, 0b11111111, "qsub8", int_arm_qsub8>;
3709 def QDADD : AAIRevOpr<0b00010100, 0b00000101, "qdadd",
3710 [(set GPRnopc:$Rd, (int_arm_qadd (int_arm_qadd GPRnopc:$Rm,
3713 def QDSUB : AAIRevOpr<0b00010110, 0b00000101, "qdsub",
3714 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm,
3715 (int_arm_qadd GPRnopc:$Rn, GPRnopc:$Rn)))]>;
3716 def QSUB : AAIRevOpr<0b00010010, 0b00000101, "qsub",
3717 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))]>;
3718 let DecoderMethod = "DecodeQADDInstruction" in
3719 def QADD : AAIRevOpr<0b00010000, 0b00000101, "qadd",
3720 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))]>;
3723 def UQADD16 : AAIIntrinsic<0b01100110, 0b11110001, "uqadd16", int_arm_uqadd16>;
3724 def UQADD8 : AAIIntrinsic<0b01100110, 0b11111001, "uqadd8", int_arm_uqadd8>;
3725 def UQSUB16 : AAIIntrinsic<0b01100110, 0b11110111, "uqsub16", int_arm_uqsub16>;
3726 def UQSUB8 : AAIIntrinsic<0b01100110, 0b11111111, "uqsub8", int_arm_uqsub8>;
3727 def QASX : AAIIntrinsic<0b01100010, 0b11110011, "qasx", int_arm_qasx>;
3728 def QSAX : AAIIntrinsic<0b01100010, 0b11110101, "qsax", int_arm_qsax>;
3729 def UQASX : AAIIntrinsic<0b01100110, 0b11110011, "uqasx", int_arm_uqasx>;
3730 def UQSAX : AAIIntrinsic<0b01100110, 0b11110101, "uqsax", int_arm_uqsax>;
3732 // Signed/Unsigned add/subtract
3734 def SASX : AAIIntrinsic<0b01100001, 0b11110011, "sasx", int_arm_sasx>;
3735 def SADD16 : AAIIntrinsic<0b01100001, 0b11110001, "sadd16", int_arm_sadd16>;
3736 def SADD8 : AAIIntrinsic<0b01100001, 0b11111001, "sadd8", int_arm_sadd8>;
3737 def SSAX : AAIIntrinsic<0b01100001, 0b11110101, "ssax", int_arm_ssax>;
3738 def SSUB16 : AAIIntrinsic<0b01100001, 0b11110111, "ssub16", int_arm_ssub16>;
3739 def SSUB8 : AAIIntrinsic<0b01100001, 0b11111111, "ssub8", int_arm_ssub8>;
3740 def UASX : AAIIntrinsic<0b01100101, 0b11110011, "uasx", int_arm_uasx>;
3741 def UADD16 : AAIIntrinsic<0b01100101, 0b11110001, "uadd16", int_arm_uadd16>;
3742 def UADD8 : AAIIntrinsic<0b01100101, 0b11111001, "uadd8", int_arm_uadd8>;
3743 def USAX : AAIIntrinsic<0b01100101, 0b11110101, "usax", int_arm_usax>;
3744 def USUB16 : AAIIntrinsic<0b01100101, 0b11110111, "usub16", int_arm_usub16>;
3745 def USUB8 : AAIIntrinsic<0b01100101, 0b11111111, "usub8", int_arm_usub8>;
3747 // Signed/Unsigned halving add/subtract
3749 def SHASX : AAIIntrinsic<0b01100011, 0b11110011, "shasx", int_arm_shasx>;
3750 def SHADD16 : AAIIntrinsic<0b01100011, 0b11110001, "shadd16", int_arm_shadd16>;
3751 def SHADD8 : AAIIntrinsic<0b01100011, 0b11111001, "shadd8", int_arm_shadd8>;
3752 def SHSAX : AAIIntrinsic<0b01100011, 0b11110101, "shsax", int_arm_shsax>;
3753 def SHSUB16 : AAIIntrinsic<0b01100011, 0b11110111, "shsub16", int_arm_shsub16>;
3754 def SHSUB8 : AAIIntrinsic<0b01100011, 0b11111111, "shsub8", int_arm_shsub8>;
3755 def UHASX : AAIIntrinsic<0b01100111, 0b11110011, "uhasx", int_arm_uhasx>;
3756 def UHADD16 : AAIIntrinsic<0b01100111, 0b11110001, "uhadd16", int_arm_uhadd16>;
3757 def UHADD8 : AAIIntrinsic<0b01100111, 0b11111001, "uhadd8", int_arm_uhadd8>;
3758 def UHSAX : AAIIntrinsic<0b01100111, 0b11110101, "uhsax", int_arm_uhsax>;
3759 def UHSUB16 : AAIIntrinsic<0b01100111, 0b11110111, "uhsub16", int_arm_uhsub16>;
3760 def UHSUB8 : AAIIntrinsic<0b01100111, 0b11111111, "uhsub8", int_arm_uhsub8>;
3762 // Unsigned Sum of Absolute Differences [and Accumulate].
3764 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3765 MulFrm /* for convenience */, NoItinerary, "usad8",
3767 [(set GPR:$Rd, (int_arm_usad8 GPR:$Rn, GPR:$Rm))]>,
3768 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3772 let Inst{27-20} = 0b01111000;
3773 let Inst{15-12} = 0b1111;
3774 let Inst{7-4} = 0b0001;
3775 let Inst{19-16} = Rd;
3776 let Inst{11-8} = Rm;
3779 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3780 MulFrm /* for convenience */, NoItinerary, "usada8",
3781 "\t$Rd, $Rn, $Rm, $Ra",
3782 [(set GPR:$Rd, (int_arm_usada8 GPR:$Rn, GPR:$Rm, GPR:$Ra))]>,
3783 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3788 let Inst{27-20} = 0b01111000;
3789 let Inst{7-4} = 0b0001;
3790 let Inst{19-16} = Rd;
3791 let Inst{15-12} = Ra;
3792 let Inst{11-8} = Rm;
3796 // Signed/Unsigned saturate
3797 def SSAT : AI<(outs GPRnopc:$Rd),
3798 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3799 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3800 Requires<[IsARM,HasV6]>{
3805 let Inst{27-21} = 0b0110101;
3806 let Inst{5-4} = 0b01;
3807 let Inst{20-16} = sat_imm;
3808 let Inst{15-12} = Rd;
3809 let Inst{11-7} = sh{4-0};
3810 let Inst{6} = sh{5};
3814 def SSAT16 : AI<(outs GPRnopc:$Rd),
3815 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3816 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []>,
3817 Requires<[IsARM,HasV6]>{
3821 let Inst{27-20} = 0b01101010;
3822 let Inst{11-4} = 0b11110011;
3823 let Inst{15-12} = Rd;
3824 let Inst{19-16} = sat_imm;
3828 def USAT : AI<(outs GPRnopc:$Rd),
3829 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3830 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3831 Requires<[IsARM,HasV6]> {
3836 let Inst{27-21} = 0b0110111;
3837 let Inst{5-4} = 0b01;
3838 let Inst{15-12} = Rd;
3839 let Inst{11-7} = sh{4-0};
3840 let Inst{6} = sh{5};
3841 let Inst{20-16} = sat_imm;
3845 def USAT16 : AI<(outs GPRnopc:$Rd),
3846 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3847 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []>,
3848 Requires<[IsARM,HasV6]>{
3852 let Inst{27-20} = 0b01101110;
3853 let Inst{11-4} = 0b11110011;
3854 let Inst{15-12} = Rd;
3855 let Inst{19-16} = sat_imm;
3859 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm1_32:$pos),
3860 (SSAT imm1_32:$pos, GPRnopc:$a, 0)>;
3861 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm0_31:$pos),
3862 (USAT imm0_31:$pos, GPRnopc:$a, 0)>;
3863 def : ARMPat<(ARMssatnoshift GPRnopc:$Rn, imm0_31:$imm),
3864 (SSAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3865 def : ARMPat<(ARMusatnoshift GPRnopc:$Rn, imm0_31:$imm),
3866 (USAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3867 def : ARMV6Pat<(int_arm_ssat16 GPRnopc:$a, imm1_16:$pos),
3868 (SSAT16 imm1_16:$pos, GPRnopc:$a)>;
3869 def : ARMV6Pat<(int_arm_usat16 GPRnopc:$a, imm0_15:$pos),
3870 (USAT16 imm0_15:$pos, GPRnopc:$a)>;
3872 //===----------------------------------------------------------------------===//
3873 // Bitwise Instructions.
3876 defm AND : AsI1_bin_irs<0b0000, "and",
3877 IIC_iBITi, IIC_iBITr, IIC_iBITsr, and, 1>;
3878 defm ORR : AsI1_bin_irs<0b1100, "orr",
3879 IIC_iBITi, IIC_iBITr, IIC_iBITsr, or, 1>;
3880 defm EOR : AsI1_bin_irs<0b0001, "eor",
3881 IIC_iBITi, IIC_iBITr, IIC_iBITsr, xor, 1>;
3882 defm BIC : AsI1_bin_irs<0b1110, "bic",
3883 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3884 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3886 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3887 // like in the actual instruction encoding. The complexity of mapping the mask
3888 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3889 // instruction description.
3890 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3891 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3892 "bfc", "\t$Rd, $imm", "$src = $Rd",
3893 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3894 Requires<[IsARM, HasV6T2]> {
3897 let Inst{27-21} = 0b0111110;
3898 let Inst{6-0} = 0b0011111;
3899 let Inst{15-12} = Rd;
3900 let Inst{11-7} = imm{4-0}; // lsb
3901 let Inst{20-16} = imm{9-5}; // msb
3904 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3905 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3906 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3907 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3908 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3909 bf_inv_mask_imm:$imm))]>,
3910 Requires<[IsARM, HasV6T2]> {
3914 let Inst{27-21} = 0b0111110;
3915 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3916 let Inst{15-12} = Rd;
3917 let Inst{11-7} = imm{4-0}; // lsb
3918 let Inst{20-16} = imm{9-5}; // width
3922 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3923 "mvn", "\t$Rd, $Rm",
3924 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3928 let Inst{19-16} = 0b0000;
3929 let Inst{11-4} = 0b00000000;
3930 let Inst{15-12} = Rd;
3933 let Unpredictable{19-16} = 0b1111;
3935 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3936 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3937 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3942 let Inst{19-16} = 0b0000;
3943 let Inst{15-12} = Rd;
3944 let Inst{11-5} = shift{11-5};
3946 let Inst{3-0} = shift{3-0};
3948 let Unpredictable{19-16} = 0b1111;
3950 def MVNsr : AsI1<0b1111, (outs GPRnopc:$Rd), (ins so_reg_reg:$shift),
3951 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3952 [(set GPRnopc:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3957 let Inst{19-16} = 0b0000;
3958 let Inst{15-12} = Rd;
3959 let Inst{11-8} = shift{11-8};
3961 let Inst{6-5} = shift{6-5};
3963 let Inst{3-0} = shift{3-0};
3965 let Unpredictable{19-16} = 0b1111;
3967 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3968 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm,
3969 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3970 [(set GPR:$Rd, mod_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3974 let Inst{19-16} = 0b0000;
3975 let Inst{15-12} = Rd;
3976 let Inst{11-0} = imm;
3979 let AddedComplexity = 1 in
3980 def : ARMPat<(and GPR:$src, mod_imm_not:$imm),
3981 (BICri GPR:$src, mod_imm_not:$imm)>;
3983 //===----------------------------------------------------------------------===//
3984 // Multiply Instructions.
3986 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3987 string opc, string asm, list<dag> pattern>
3988 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3992 let Inst{19-16} = Rd;
3993 let Inst{11-8} = Rm;
3996 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3997 string opc, string asm, list<dag> pattern>
3998 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
4003 let Inst{19-16} = RdHi;
4004 let Inst{15-12} = RdLo;
4005 let Inst{11-8} = Rm;
4008 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
4009 string opc, string asm, list<dag> pattern>
4010 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
4015 let Inst{19-16} = RdHi;
4016 let Inst{15-12} = RdLo;
4017 let Inst{11-8} = Rm;
4021 // FIXME: The v5 pseudos are only necessary for the additional Constraint
4022 // property. Remove them when it's possible to add those properties
4023 // on an individual MachineInstr, not just an instruction description.
4024 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
4025 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
4026 (ins GPRnopc:$Rn, GPRnopc:$Rm),
4027 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
4028 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
4029 Requires<[IsARM, HasV6]>,
4030 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4031 let Inst{15-12} = 0b0000;
4032 let Unpredictable{15-12} = 0b1111;
4035 let Constraints = "@earlyclobber $Rd" in
4036 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
4037 pred:$p, cc_out:$s),
4039 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
4040 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
4041 Requires<[IsARM, NoV6, UseMulOps]>,
4042 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4045 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
4046 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
4047 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
4048 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
4049 Requires<[IsARM, HasV6, UseMulOps]>,
4050 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
4052 let Inst{15-12} = Ra;
4055 let Constraints = "@earlyclobber $Rd" in
4056 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
4057 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
4058 pred:$p, cc_out:$s), 4, IIC_iMAC32,
4059 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
4060 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
4061 Requires<[IsARM, NoV6]>,
4062 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4064 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4065 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
4066 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
4067 Requires<[IsARM, HasV6T2, UseMulOps]>,
4068 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
4073 let Inst{19-16} = Rd;
4074 let Inst{15-12} = Ra;
4075 let Inst{11-8} = Rm;
4079 // Extra precision multiplies with low / high results
4080 let hasSideEffects = 0 in {
4081 let isCommutable = 1 in {
4082 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
4083 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4084 "smull", "\t$RdLo, $RdHi, $Rn, $Rm",
4085 [(set GPR:$RdLo, GPR:$RdHi,
4086 (smullohi GPR:$Rn, GPR:$Rm))]>,
4087 Requires<[IsARM, HasV6]>,
4088 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4090 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
4091 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4092 "umull", "\t$RdLo, $RdHi, $Rn, $Rm",
4093 [(set GPR:$RdLo, GPR:$RdHi,
4094 (umullohi GPR:$Rn, GPR:$Rm))]>,
4095 Requires<[IsARM, HasV6]>,
4096 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL]>;
4098 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
4099 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4100 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4102 [(set GPR:$RdLo, GPR:$RdHi,
4103 (smullohi GPR:$Rn, GPR:$Rm))],
4104 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4105 Requires<[IsARM, NoV6]>,
4106 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4108 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4109 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4111 [(set GPR:$RdLo, GPR:$RdHi,
4112 (umullohi GPR:$Rn, GPR:$Rm))],
4113 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4114 Requires<[IsARM, NoV6]>,
4115 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4119 // Multiply + accumulate
4120 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
4121 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4122 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4123 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4124 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4125 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
4126 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4127 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4128 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4129 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4131 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
4132 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4134 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4135 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4136 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]> {
4141 let Inst{19-16} = RdHi;
4142 let Inst{15-12} = RdLo;
4143 let Inst{11-8} = Rm;
4148 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
4149 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4150 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4152 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4153 pred:$p, cc_out:$s)>,
4154 Requires<[IsARM, NoV6]>,
4155 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4156 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4157 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4159 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4160 pred:$p, cc_out:$s)>,
4161 Requires<[IsARM, NoV6]>,
4162 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4167 // Most significant word multiply
4168 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4169 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
4170 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
4171 Requires<[IsARM, HasV6]>,
4172 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4173 let Inst{15-12} = 0b1111;
4176 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4177 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
4178 [(set GPR:$Rd, (ARMsmmlar GPR:$Rn, GPR:$Rm, (i32 0)))]>,
4179 Requires<[IsARM, HasV6]>,
4180 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4181 let Inst{15-12} = 0b1111;
4184 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
4185 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4186 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
4187 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
4188 Requires<[IsARM, HasV6, UseMulOps]>,
4189 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4191 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
4192 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4193 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
4194 [(set GPR:$Rd, (ARMsmmlar GPR:$Rn, GPR:$Rm, GPR:$Ra))]>,
4195 Requires<[IsARM, HasV6]>,
4196 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4198 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
4199 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4200 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
4201 Requires<[IsARM, HasV6, UseMulOps]>,
4202 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4204 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
4205 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4206 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
4207 [(set GPR:$Rd, (ARMsmmlsr GPR:$Rn, GPR:$Rm, GPR:$Ra))]>,
4208 Requires<[IsARM, HasV6]>,
4209 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4211 multiclass AI_smul<string opc> {
4212 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4213 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
4214 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4215 (sext_inreg GPR:$Rm, i16)))]>,
4216 Requires<[IsARM, HasV5TE]>,
4217 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4219 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4220 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
4221 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4222 (sra GPR:$Rm, (i32 16))))]>,
4223 Requires<[IsARM, HasV5TE]>,
4224 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4226 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4227 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
4228 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4229 (sext_inreg GPR:$Rm, i16)))]>,
4230 Requires<[IsARM, HasV5TE]>,
4231 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4233 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4234 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
4235 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4236 (sra GPR:$Rm, (i32 16))))]>,
4237 Requires<[IsARM, HasV5TE]>,
4238 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4240 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4241 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
4242 [(set GPR:$Rd, (ARMsmulwb GPR:$Rn, GPR:$Rm))]>,
4243 Requires<[IsARM, HasV5TE]>,
4244 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4246 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4247 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
4248 [(set GPR:$Rd, (ARMsmulwt GPR:$Rn, GPR:$Rm))]>,
4249 Requires<[IsARM, HasV5TE]>,
4250 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4254 multiclass AI_smla<string opc> {
4255 let DecoderMethod = "DecodeSMLAInstruction" in {
4256 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
4257 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4258 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
4259 [(set GPRnopc:$Rd, (add GPR:$Ra,
4260 (mul (sext_inreg GPRnopc:$Rn, i16),
4261 (sext_inreg GPRnopc:$Rm, i16))))]>,
4262 Requires<[IsARM, HasV5TE, UseMulOps]>,
4263 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4265 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
4266 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4267 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
4269 (add GPR:$Ra, (mul (sext_inreg GPRnopc:$Rn, i16),
4270 (sra GPRnopc:$Rm, (i32 16)))))]>,
4271 Requires<[IsARM, HasV5TE, UseMulOps]>,
4272 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4274 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
4275 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4276 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
4278 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4279 (sext_inreg GPRnopc:$Rm, i16))))]>,
4280 Requires<[IsARM, HasV5TE, UseMulOps]>,
4281 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4283 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
4284 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4285 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
4287 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4288 (sra GPRnopc:$Rm, (i32 16)))))]>,
4289 Requires<[IsARM, HasV5TE, UseMulOps]>,
4290 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4292 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
4293 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4294 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
4296 (add GPR:$Ra, (ARMsmulwb GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4297 Requires<[IsARM, HasV5TE, UseMulOps]>,
4298 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4300 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
4301 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4302 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
4304 (add GPR:$Ra, (ARMsmulwt GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4305 Requires<[IsARM, HasV5TE, UseMulOps]>,
4306 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4310 defm SMUL : AI_smul<"smul">;
4311 defm SMLA : AI_smla<"smla">;
4313 // Halfword multiply accumulate long: SMLAL<x><y>.
4314 class SMLAL<bits<2> opc1, string asm>
4315 : AMulxyI64<0b0001010, opc1,
4316 (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4317 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4318 IIC_iMAC64, asm, "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4319 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4320 Requires<[IsARM, HasV5TE]>,
4321 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4323 def SMLALBB : SMLAL<0b00, "smlalbb">;
4324 def SMLALBT : SMLAL<0b10, "smlalbt">;
4325 def SMLALTB : SMLAL<0b01, "smlaltb">;
4326 def SMLALTT : SMLAL<0b11, "smlaltt">;
4328 def : ARMV5TEPat<(ARMsmlalbb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4329 (SMLALBB $Rn, $Rm, $RLo, $RHi)>;
4330 def : ARMV5TEPat<(ARMsmlalbt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4331 (SMLALBT $Rn, $Rm, $RLo, $RHi)>;
4332 def : ARMV5TEPat<(ARMsmlaltb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4333 (SMLALTB $Rn, $Rm, $RLo, $RHi)>;
4334 def : ARMV5TEPat<(ARMsmlaltt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4335 (SMLALTT $Rn, $Rm, $RLo, $RHi)>;
4337 // Helper class for AI_smld.
4338 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4339 InstrItinClass itin, string opc, string asm>
4340 : AI<oops, iops, MulFrm, itin, opc, asm, []>,
4341 Requires<[IsARM, HasV6]> {
4344 let Inst{27-23} = 0b01110;
4345 let Inst{22} = long;
4346 let Inst{21-20} = 0b00;
4347 let Inst{11-8} = Rm;
4354 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4355 InstrItinClass itin, string opc, string asm>
4356 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4358 let Inst{15-12} = 0b1111;
4359 let Inst{19-16} = Rd;
4361 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4362 InstrItinClass itin, string opc, string asm>
4363 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4366 let Inst{19-16} = Rd;
4367 let Inst{15-12} = Ra;
4369 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4370 InstrItinClass itin, string opc, string asm>
4371 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4374 let Inst{19-16} = RdHi;
4375 let Inst{15-12} = RdLo;
4378 multiclass AI_smld<bit sub, string opc> {
4380 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4381 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4382 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">,
4383 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4385 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4386 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4387 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">,
4388 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4390 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4391 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4393 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">,
4394 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4395 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4397 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4398 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4400 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">,
4401 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4402 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4405 defm SMLA : AI_smld<0, "smla">;
4406 defm SMLS : AI_smld<1, "smls">;
4408 def : ARMV6Pat<(int_arm_smlad GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4409 (SMLAD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4410 def : ARMV6Pat<(int_arm_smladx GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4411 (SMLADX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4412 def : ARMV6Pat<(int_arm_smlsd GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4413 (SMLSD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4414 def : ARMV6Pat<(int_arm_smlsdx GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4415 (SMLSDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4416 def : ARMV6Pat<(ARMSmlald GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4417 (SMLALD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4418 def : ARMV6Pat<(ARMSmlaldx GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4419 (SMLALDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4420 def : ARMV6Pat<(ARMSmlsld GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4421 (SMLSLD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4422 def : ARMV6Pat<(ARMSmlsldx GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4423 (SMLSLDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4425 multiclass AI_sdml<bit sub, string opc> {
4427 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4428 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">,
4429 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4430 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4431 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">,
4432 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4435 defm SMUA : AI_sdml<0, "smua">;
4436 defm SMUS : AI_sdml<1, "smus">;
4438 def : ARMV6Pat<(int_arm_smuad GPRnopc:$Rn, GPRnopc:$Rm),
4439 (SMUAD GPRnopc:$Rn, GPRnopc:$Rm)>;
4440 def : ARMV6Pat<(int_arm_smuadx GPRnopc:$Rn, GPRnopc:$Rm),
4441 (SMUADX GPRnopc:$Rn, GPRnopc:$Rm)>;
4442 def : ARMV6Pat<(int_arm_smusd GPRnopc:$Rn, GPRnopc:$Rm),
4443 (SMUSD GPRnopc:$Rn, GPRnopc:$Rm)>;
4444 def : ARMV6Pat<(int_arm_smusdx GPRnopc:$Rn, GPRnopc:$Rm),
4445 (SMUSDX GPRnopc:$Rn, GPRnopc:$Rm)>;
4447 //===----------------------------------------------------------------------===//
4448 // Division Instructions (ARMv7-A with virtualization extension)
4450 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4451 "sdiv", "\t$Rd, $Rn, $Rm",
4452 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4453 Requires<[IsARM, HasDivideInARM]>,
4456 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4457 "udiv", "\t$Rd, $Rn, $Rm",
4458 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4459 Requires<[IsARM, HasDivideInARM]>,
4462 //===----------------------------------------------------------------------===//
4463 // Misc. Arithmetic Instructions.
4466 def CLZ : AMiscA1I<0b00010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4467 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4468 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4471 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4472 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4473 [(set GPR:$Rd, (bitreverse GPR:$Rm))]>,
4474 Requires<[IsARM, HasV6T2]>,
4477 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4478 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4479 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4482 let AddedComplexity = 5 in
4483 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4484 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4485 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4486 Requires<[IsARM, HasV6]>,
4489 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4490 (REV16 (LDRH addrmode3:$addr))>;
4491 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4492 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4494 let AddedComplexity = 5 in
4495 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4496 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4497 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4498 Requires<[IsARM, HasV6]>,
4501 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4502 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4505 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4506 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4507 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4508 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4509 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4511 Requires<[IsARM, HasV6]>,
4512 Sched<[WriteALUsi, ReadALU]>;
4514 // Alternate cases for PKHBT where identities eliminate some nodes.
4515 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4516 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4517 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4518 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4520 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4521 // will match the pattern below.
4522 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4523 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4524 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4525 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4526 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4528 Requires<[IsARM, HasV6]>,
4529 Sched<[WriteALUsi, ReadALU]>;
4531 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4532 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4533 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4534 // pkhtb src1, src2, asr (17..31).
4535 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4536 (srl GPRnopc:$src2, imm16:$sh)),
4537 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4538 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4539 (sra GPRnopc:$src2, imm16_31:$sh)),
4540 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4541 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4542 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4543 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4545 //===----------------------------------------------------------------------===//
4549 // + CRC32{B,H,W} 0x04C11DB7
4550 // + CRC32C{B,H,W} 0x1EDC6F41
4553 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4554 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4555 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4556 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4557 Requires<[IsARM, HasV8, HasCRC]> {
4562 let Inst{31-28} = 0b1110;
4563 let Inst{27-23} = 0b00010;
4564 let Inst{22-21} = sz;
4566 let Inst{19-16} = Rn;
4567 let Inst{15-12} = Rd;
4568 let Inst{11-10} = 0b00;
4571 let Inst{7-4} = 0b0100;
4574 let Unpredictable{11-8} = 0b1101;
4577 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4578 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4579 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4580 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4581 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4582 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4584 //===----------------------------------------------------------------------===//
4585 // ARMv8.1a Privilege Access Never extension
4589 def SETPAN : AInoP<(outs), (ins imm0_1:$imm), MiscFrm, NoItinerary, "setpan",
4590 "\t$imm", []>, Requires<[IsARM, HasV8, HasV8_1a]> {
4593 let Inst{31-28} = 0b1111;
4594 let Inst{27-20} = 0b00010001;
4595 let Inst{19-16} = 0b0000;
4596 let Inst{15-10} = 0b000000;
4599 let Inst{7-4} = 0b0000;
4600 let Inst{3-0} = 0b0000;
4602 let Unpredictable{19-16} = 0b1111;
4603 let Unpredictable{15-10} = 0b111111;
4604 let Unpredictable{8} = 0b1;
4605 let Unpredictable{3-0} = 0b1111;
4608 //===----------------------------------------------------------------------===//
4609 // Comparison Instructions...
4612 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4613 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, ARMcmp>;
4615 // ARMcmpZ can re-use the above instruction definitions.
4616 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm:$imm),
4617 (CMPri GPR:$src, mod_imm:$imm)>;
4618 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4619 (CMPrr GPR:$src, GPR:$rhs)>;
4620 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4621 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4622 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4623 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4625 // CMN register-integer
4626 let isCompare = 1, Defs = [CPSR] in {
4627 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, IIC_iCMPi,
4628 "cmn", "\t$Rn, $imm",
4629 [(ARMcmn GPR:$Rn, mod_imm:$imm)]>,
4630 Sched<[WriteCMP, ReadALU]> {
4635 let Inst{19-16} = Rn;
4636 let Inst{15-12} = 0b0000;
4637 let Inst{11-0} = imm;
4639 let Unpredictable{15-12} = 0b1111;
4642 // CMN register-register/shift
4643 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4644 "cmn", "\t$Rn, $Rm",
4645 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4646 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4649 let isCommutable = 1;
4652 let Inst{19-16} = Rn;
4653 let Inst{15-12} = 0b0000;
4654 let Inst{11-4} = 0b00000000;
4657 let Unpredictable{15-12} = 0b1111;
4660 def CMNzrsi : AI1<0b1011, (outs),
4661 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4662 "cmn", "\t$Rn, $shift",
4663 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4664 GPR:$Rn, so_reg_imm:$shift)]>,
4665 Sched<[WriteCMPsi, ReadALU]> {
4670 let Inst{19-16} = Rn;
4671 let Inst{15-12} = 0b0000;
4672 let Inst{11-5} = shift{11-5};
4674 let Inst{3-0} = shift{3-0};
4676 let Unpredictable{15-12} = 0b1111;
4679 def CMNzrsr : AI1<0b1011, (outs),
4680 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4681 "cmn", "\t$Rn, $shift",
4682 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4683 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4684 Sched<[WriteCMPsr, ReadALU]> {
4689 let Inst{19-16} = Rn;
4690 let Inst{15-12} = 0b0000;
4691 let Inst{11-8} = shift{11-8};
4693 let Inst{6-5} = shift{6-5};
4695 let Inst{3-0} = shift{3-0};
4697 let Unpredictable{15-12} = 0b1111;
4702 def : ARMPat<(ARMcmp GPR:$src, mod_imm_neg:$imm),
4703 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4705 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm_neg:$imm),
4706 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4708 // Note that TST/TEQ don't set all the same flags that CMP does!
4709 defm TST : AI1_cmp_irs<0b1000, "tst",
4710 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4711 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1,
4712 "DecodeTSTInstruction">;
4713 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4714 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4715 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4717 // Pseudo i64 compares for some floating point compares.
4718 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4720 def BCCi64 : PseudoInst<(outs),
4721 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4723 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4726 def BCCZi64 : PseudoInst<(outs),
4727 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4728 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4730 } // usesCustomInserter
4733 // Conditional moves
4734 let hasSideEffects = 0 in {
4736 let isCommutable = 1, isSelect = 1 in
4737 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4738 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4740 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4742 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4744 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4745 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4748 (ARMcmov GPR:$false, so_reg_imm:$shift,
4750 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4751 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4752 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4754 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4756 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4759 let isMoveImm = 1 in
4761 : ARMPseudoInst<(outs GPR:$Rd),
4762 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4764 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4766 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4769 let isMoveImm = 1 in
4770 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4771 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4773 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm:$imm,
4775 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4777 // Two instruction predicate mov immediate.
4778 let isMoveImm = 1 in
4780 : ARMPseudoInst<(outs GPR:$Rd),
4781 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4783 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4785 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4787 let isMoveImm = 1 in
4788 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4789 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4791 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm_not:$imm,
4793 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4798 //===----------------------------------------------------------------------===//
4799 // Atomic operations intrinsics
4802 def MemBarrierOptOperand : AsmOperandClass {
4803 let Name = "MemBarrierOpt";
4804 let ParserMethod = "parseMemBarrierOptOperand";
4806 def memb_opt : Operand<i32> {
4807 let PrintMethod = "printMemBOption";
4808 let ParserMatchClass = MemBarrierOptOperand;
4809 let DecoderMethod = "DecodeMemBarrierOption";
4812 def InstSyncBarrierOptOperand : AsmOperandClass {
4813 let Name = "InstSyncBarrierOpt";
4814 let ParserMethod = "parseInstSyncBarrierOptOperand";
4816 def instsyncb_opt : Operand<i32> {
4817 let PrintMethod = "printInstSyncBOption";
4818 let ParserMatchClass = InstSyncBarrierOptOperand;
4819 let DecoderMethod = "DecodeInstSyncBarrierOption";
4822 def TraceSyncBarrierOptOperand : AsmOperandClass {
4823 let Name = "TraceSyncBarrierOpt";
4824 let ParserMethod = "parseTraceSyncBarrierOptOperand";
4826 def tsb_opt : Operand<i32> {
4827 let PrintMethod = "printTraceSyncBOption";
4828 let ParserMatchClass = TraceSyncBarrierOptOperand;
4831 // Memory barriers protect the atomic sequences
4832 let hasSideEffects = 1 in {
4833 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4834 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4835 Requires<[IsARM, HasDB]> {
4837 let Inst{31-4} = 0xf57ff05;
4838 let Inst{3-0} = opt;
4841 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4842 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4843 Requires<[IsARM, HasDB]> {
4845 let Inst{31-4} = 0xf57ff04;
4846 let Inst{3-0} = opt;
4849 // ISB has only full system option
4850 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4851 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4852 Requires<[IsARM, HasDB]> {
4854 let Inst{31-4} = 0xf57ff06;
4855 let Inst{3-0} = opt;
4858 let hasNoSchedulingInfo = 1 in
4859 def TSB : AInoP<(outs), (ins tsb_opt:$opt), MiscFrm, NoItinerary,
4860 "tsb", "\t$opt", []>, Requires<[IsARM, HasV8_4a]> {
4861 let Inst{31-0} = 0xe320f012;
4866 let usesCustomInserter = 1, Defs = [CPSR] in {
4868 // Pseudo instruction that combines movs + predicated rsbmi
4869 // to implement integer ABS
4870 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4873 let usesCustomInserter = 1 in {
4874 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4875 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4877 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4880 let hasPostISelHook = 1, Constraints = "$newdst = $dst, $newsrc = $src" in {
4881 // %newsrc, %newdst = MEMCPY %dst, %src, N, ...N scratch regs...
4882 // Copies N registers worth of memory from address %src to address %dst
4883 // and returns the incremented addresses. N scratch register will
4884 // be attached for the copy to use.
4885 def MEMCPY : PseudoInst<
4886 (outs GPR:$newdst, GPR:$newsrc),
4887 (ins GPR:$dst, GPR:$src, i32imm:$nreg, variable_ops),
4889 [(set GPR:$newdst, GPR:$newsrc,
4890 (ARMmemcopy GPR:$dst, GPR:$src, imm:$nreg))]>;
4893 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4894 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4897 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4898 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4901 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4902 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4905 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4906 (int_arm_strex node:$val, node:$ptr), [{
4907 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4910 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4911 (int_arm_strex node:$val, node:$ptr), [{
4912 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4915 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4916 (int_arm_strex node:$val, node:$ptr), [{
4917 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4920 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4921 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4924 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4925 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4928 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4929 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4932 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4933 (int_arm_stlex node:$val, node:$ptr), [{
4934 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4937 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4938 (int_arm_stlex node:$val, node:$ptr), [{
4939 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4942 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4943 (int_arm_stlex node:$val, node:$ptr), [{
4944 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4947 let mayLoad = 1 in {
4948 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4949 NoItinerary, "ldrexb", "\t$Rt, $addr",
4950 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4951 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4952 NoItinerary, "ldrexh", "\t$Rt, $addr",
4953 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4954 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4955 NoItinerary, "ldrex", "\t$Rt, $addr",
4956 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4957 let hasExtraDefRegAllocReq = 1 in
4958 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4959 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4960 let DecoderMethod = "DecodeDoubleRegLoad";
4963 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4964 NoItinerary, "ldaexb", "\t$Rt, $addr",
4965 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4966 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4967 NoItinerary, "ldaexh", "\t$Rt, $addr",
4968 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4969 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4970 NoItinerary, "ldaex", "\t$Rt, $addr",
4971 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4972 let hasExtraDefRegAllocReq = 1 in
4973 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4974 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4975 let DecoderMethod = "DecodeDoubleRegLoad";
4979 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4980 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4981 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4982 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4983 addr_offset_none:$addr))]>;
4984 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4985 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4986 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4987 addr_offset_none:$addr))]>;
4988 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4989 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4990 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4991 addr_offset_none:$addr))]>;
4992 let hasExtraSrcRegAllocReq = 1 in
4993 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4994 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4995 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4996 let DecoderMethod = "DecodeDoubleRegStore";
4998 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4999 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
5001 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
5002 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
5003 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
5005 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
5006 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
5007 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
5009 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
5010 let hasExtraSrcRegAllocReq = 1 in
5011 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
5012 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
5013 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
5014 let DecoderMethod = "DecodeDoubleRegStore";
5018 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
5020 Requires<[IsARM, HasV6K]> {
5021 let Inst{31-0} = 0b11110101011111111111000000011111;
5024 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
5025 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
5026 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
5027 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
5029 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
5030 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
5031 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
5032 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
5034 class acquiring_load<PatFrag base>
5035 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
5036 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
5037 return isAcquireOrStronger(Ordering);
5040 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
5041 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
5042 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
5044 class releasing_store<PatFrag base>
5045 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
5046 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
5047 return isReleaseOrStronger(Ordering);
5050 def atomic_store_release_8 : releasing_store<atomic_store_8>;
5051 def atomic_store_release_16 : releasing_store<atomic_store_16>;
5052 def atomic_store_release_32 : releasing_store<atomic_store_32>;
5054 let AddedComplexity = 8 in {
5055 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
5056 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
5057 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
5058 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
5059 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
5060 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
5063 // SWP/SWPB are deprecated in V6/V7 and optional in v7VE.
5064 // FIXME Use InstAlias to generate LDREX/STREX pairs instead.
5065 let mayLoad = 1, mayStore = 1 in {
5066 def SWP : AIswp<0, (outs GPRnopc:$Rt),
5067 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
5068 Requires<[IsARM,PreV8]>;
5069 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
5070 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
5071 Requires<[IsARM,PreV8]>;
5074 //===----------------------------------------------------------------------===//
5075 // Coprocessor Instructions.
5078 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5079 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
5080 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
5081 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
5082 imm:$CRm, imm:$opc2)]>,
5083 Requires<[IsARM,PreV8]> {
5091 let Inst{3-0} = CRm;
5093 let Inst{7-5} = opc2;
5094 let Inst{11-8} = cop;
5095 let Inst{15-12} = CRd;
5096 let Inst{19-16} = CRn;
5097 let Inst{23-20} = opc1;
5099 let DecoderNamespace = "CoProc";
5102 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5103 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
5104 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
5105 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
5106 imm:$CRm, imm:$opc2)]>,
5107 Requires<[IsARM,PreV8]> {
5108 let Inst{31-28} = 0b1111;
5116 let Inst{3-0} = CRm;
5118 let Inst{7-5} = opc2;
5119 let Inst{11-8} = cop;
5120 let Inst{15-12} = CRd;
5121 let Inst{19-16} = CRn;
5122 let Inst{23-20} = opc1;
5124 let DecoderNamespace = "CoProc";
5127 class ACI<dag oops, dag iops, string opc, string asm,
5128 list<dag> pattern, IndexMode im = IndexModeNone>
5129 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5130 opc, asm, "", pattern> {
5131 let Inst{27-25} = 0b110;
5133 class ACInoP<dag oops, dag iops, string opc, string asm,
5134 list<dag> pattern, IndexMode im = IndexModeNone>
5135 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5136 opc, asm, "", pattern> {
5137 let Inst{31-28} = 0b1111;
5138 let Inst{27-25} = 0b110;
5141 let DecoderNamespace = "CoProc" in {
5142 multiclass LdStCop<bit load, bit Dbit, string asm, list<dag> pattern> {
5143 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5144 asm, "\t$cop, $CRd, $addr", pattern> {
5148 let Inst{24} = 1; // P = 1
5149 let Inst{23} = addr{8};
5150 let Inst{22} = Dbit;
5151 let Inst{21} = 0; // W = 0
5152 let Inst{20} = load;
5153 let Inst{19-16} = addr{12-9};
5154 let Inst{15-12} = CRd;
5155 let Inst{11-8} = cop;
5156 let Inst{7-0} = addr{7-0};
5157 let DecoderMethod = "DecodeCopMemInstruction";
5159 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5160 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5164 let Inst{24} = 1; // P = 1
5165 let Inst{23} = addr{8};
5166 let Inst{22} = Dbit;
5167 let Inst{21} = 1; // W = 1
5168 let Inst{20} = load;
5169 let Inst{19-16} = addr{12-9};
5170 let Inst{15-12} = CRd;
5171 let Inst{11-8} = cop;
5172 let Inst{7-0} = addr{7-0};
5173 let DecoderMethod = "DecodeCopMemInstruction";
5175 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5176 postidx_imm8s4:$offset),
5177 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5182 let Inst{24} = 0; // P = 0
5183 let Inst{23} = offset{8};
5184 let Inst{22} = Dbit;
5185 let Inst{21} = 1; // W = 1
5186 let Inst{20} = load;
5187 let Inst{19-16} = addr;
5188 let Inst{15-12} = CRd;
5189 let Inst{11-8} = cop;
5190 let Inst{7-0} = offset{7-0};
5191 let DecoderMethod = "DecodeCopMemInstruction";
5193 def _OPTION : ACI<(outs),
5194 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5195 coproc_option_imm:$option),
5196 asm, "\t$cop, $CRd, $addr, $option", []> {
5201 let Inst{24} = 0; // P = 0
5202 let Inst{23} = 1; // U = 1
5203 let Inst{22} = Dbit;
5204 let Inst{21} = 0; // W = 0
5205 let Inst{20} = load;
5206 let Inst{19-16} = addr;
5207 let Inst{15-12} = CRd;
5208 let Inst{11-8} = cop;
5209 let Inst{7-0} = option;
5210 let DecoderMethod = "DecodeCopMemInstruction";
5213 multiclass LdSt2Cop<bit load, bit Dbit, string asm, list<dag> pattern> {
5214 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5215 asm, "\t$cop, $CRd, $addr", pattern> {
5219 let Inst{24} = 1; // P = 1
5220 let Inst{23} = addr{8};
5221 let Inst{22} = Dbit;
5222 let Inst{21} = 0; // W = 0
5223 let Inst{20} = load;
5224 let Inst{19-16} = addr{12-9};
5225 let Inst{15-12} = CRd;
5226 let Inst{11-8} = cop;
5227 let Inst{7-0} = addr{7-0};
5228 let DecoderMethod = "DecodeCopMemInstruction";
5230 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5231 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5235 let Inst{24} = 1; // P = 1
5236 let Inst{23} = addr{8};
5237 let Inst{22} = Dbit;
5238 let Inst{21} = 1; // W = 1
5239 let Inst{20} = load;
5240 let Inst{19-16} = addr{12-9};
5241 let Inst{15-12} = CRd;
5242 let Inst{11-8} = cop;
5243 let Inst{7-0} = addr{7-0};
5244 let DecoderMethod = "DecodeCopMemInstruction";
5246 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5247 postidx_imm8s4:$offset),
5248 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5253 let Inst{24} = 0; // P = 0
5254 let Inst{23} = offset{8};
5255 let Inst{22} = Dbit;
5256 let Inst{21} = 1; // W = 1
5257 let Inst{20} = load;
5258 let Inst{19-16} = addr;
5259 let Inst{15-12} = CRd;
5260 let Inst{11-8} = cop;
5261 let Inst{7-0} = offset{7-0};
5262 let DecoderMethod = "DecodeCopMemInstruction";
5264 def _OPTION : ACInoP<(outs),
5265 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5266 coproc_option_imm:$option),
5267 asm, "\t$cop, $CRd, $addr, $option", []> {
5272 let Inst{24} = 0; // P = 0
5273 let Inst{23} = 1; // U = 1
5274 let Inst{22} = Dbit;
5275 let Inst{21} = 0; // W = 0
5276 let Inst{20} = load;
5277 let Inst{19-16} = addr;
5278 let Inst{15-12} = CRd;
5279 let Inst{11-8} = cop;
5280 let Inst{7-0} = option;
5281 let DecoderMethod = "DecodeCopMemInstruction";
5285 defm LDC : LdStCop <1, 0, "ldc", [(int_arm_ldc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5286 defm LDCL : LdStCop <1, 1, "ldcl", [(int_arm_ldcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5287 defm LDC2 : LdSt2Cop<1, 0, "ldc2", [(int_arm_ldc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5288 defm LDC2L : LdSt2Cop<1, 1, "ldc2l", [(int_arm_ldc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5290 defm STC : LdStCop <0, 0, "stc", [(int_arm_stc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5291 defm STCL : LdStCop <0, 1, "stcl", [(int_arm_stcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5292 defm STC2 : LdSt2Cop<0, 0, "stc2", [(int_arm_stc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5293 defm STC2L : LdSt2Cop<0, 1, "stc2l", [(int_arm_stc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5295 } // DecoderNamespace = "CoProc"
5297 //===----------------------------------------------------------------------===//
5298 // Move between coprocessor and ARM core register.
5301 class MovRCopro<string opc, bit direction, dag oops, dag iops,
5303 : ABI<0b1110, oops, iops, NoItinerary, opc,
5304 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
5305 let Inst{20} = direction;
5315 let Inst{15-12} = Rt;
5316 let Inst{11-8} = cop;
5317 let Inst{23-21} = opc1;
5318 let Inst{7-5} = opc2;
5319 let Inst{3-0} = CRm;
5320 let Inst{19-16} = CRn;
5322 let DecoderNamespace = "CoProc";
5325 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
5327 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5328 c_imm:$CRm, imm0_7:$opc2),
5329 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5330 imm:$CRm, imm:$opc2)]>,
5331 ComplexDeprecationPredicate<"MCR">;
5332 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
5333 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5334 c_imm:$CRm, 0, pred:$p)>;
5335 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
5336 (outs GPRwithAPSR:$Rt),
5337 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5339 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
5340 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5341 c_imm:$CRm, 0, pred:$p)>;
5343 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
5344 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5346 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5348 : ABXI<0b1110, oops, iops, NoItinerary,
5349 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5350 let Inst{31-24} = 0b11111110;
5351 let Inst{20} = direction;
5361 let Inst{15-12} = Rt;
5362 let Inst{11-8} = cop;
5363 let Inst{23-21} = opc1;
5364 let Inst{7-5} = opc2;
5365 let Inst{3-0} = CRm;
5366 let Inst{19-16} = CRn;
5368 let DecoderNamespace = "CoProc";
5371 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5373 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5374 c_imm:$CRm, imm0_7:$opc2),
5375 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5376 imm:$CRm, imm:$opc2)]>,
5377 Requires<[IsARM,PreV8]>;
5378 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
5379 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5381 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5382 (outs GPRwithAPSR:$Rt),
5383 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5385 Requires<[IsARM,PreV8]>;
5386 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
5387 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5390 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5391 imm:$CRm, imm:$opc2),
5392 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5394 class MovRRCopro<string opc, bit direction, dag oops, dag iops, list<dag>
5396 : ABI<0b1100, oops, iops, NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
5399 let Inst{23-21} = 0b010;
5400 let Inst{20} = direction;
5408 let Inst{15-12} = Rt;
5409 let Inst{19-16} = Rt2;
5410 let Inst{11-8} = cop;
5411 let Inst{7-4} = opc1;
5412 let Inst{3-0} = CRm;
5415 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5416 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5417 GPRnopc:$Rt2, c_imm:$CRm),
5418 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5419 GPRnopc:$Rt2, imm:$CRm)]>;
5420 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */,
5421 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5422 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5424 class MovRRCopro2<string opc, bit direction, dag oops, dag iops,
5425 list<dag> pattern = []>
5426 : ABXI<0b1100, oops, iops, NoItinerary,
5427 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5428 Requires<[IsARM,PreV8]> {
5429 let Inst{31-28} = 0b1111;
5430 let Inst{23-21} = 0b010;
5431 let Inst{20} = direction;
5439 let Inst{15-12} = Rt;
5440 let Inst{19-16} = Rt2;
5441 let Inst{11-8} = cop;
5442 let Inst{7-4} = opc1;
5443 let Inst{3-0} = CRm;
5445 let DecoderMethod = "DecoderForMRRC2AndMCRR2";
5448 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5449 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5450 GPRnopc:$Rt2, c_imm:$CRm),
5451 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5452 GPRnopc:$Rt2, imm:$CRm)]>;
5454 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */,
5455 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5456 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5458 //===----------------------------------------------------------------------===//
5459 // Move between special register and ARM core register
5462 // Move to ARM core register from Special Register
5463 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5464 "mrs", "\t$Rd, apsr", []> {
5466 let Inst{23-16} = 0b00001111;
5467 let Unpredictable{19-17} = 0b111;
5469 let Inst{15-12} = Rd;
5471 let Inst{11-0} = 0b000000000000;
5472 let Unpredictable{11-0} = 0b110100001111;
5475 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p), 0>,
5478 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5479 // section B9.3.9, with the R bit set to 1.
5480 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5481 "mrs", "\t$Rd, spsr", []> {
5483 let Inst{23-16} = 0b01001111;
5484 let Unpredictable{19-16} = 0b1111;
5486 let Inst{15-12} = Rd;
5488 let Inst{11-0} = 0b000000000000;
5489 let Unpredictable{11-0} = 0b110100001111;
5492 // However, the MRS (banked register) system instruction (ARMv7VE) *does* have a
5493 // separate encoding (distinguished by bit 5.
5494 def MRSbanked : ABI<0b0001, (outs GPRnopc:$Rd), (ins banked_reg:$banked),
5495 NoItinerary, "mrs", "\t$Rd, $banked", []>,
5496 Requires<[IsARM, HasVirtualization]> {
5501 let Inst{22} = banked{5}; // R bit
5502 let Inst{21-20} = 0b00;
5503 let Inst{19-16} = banked{3-0};
5504 let Inst{15-12} = Rd;
5505 let Inst{11-9} = 0b001;
5506 let Inst{8} = banked{4};
5507 let Inst{7-0} = 0b00000000;
5510 // Move from ARM core register to Special Register
5512 // No need to have both system and application versions of MSR (immediate) or
5513 // MSR (register), the encodings are the same and the assembly parser has no way
5514 // to distinguish between them. The mask operand contains the special register
5515 // (R Bit) in bit 4 and bits 3-0 contains the mask with the fields to be
5516 // accessed in the special register.
5517 let Defs = [CPSR] in
5518 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5519 "msr", "\t$mask, $Rn", []> {
5524 let Inst{22} = mask{4}; // R bit
5525 let Inst{21-20} = 0b10;
5526 let Inst{19-16} = mask{3-0};
5527 let Inst{15-12} = 0b1111;
5528 let Inst{11-4} = 0b00000000;
5532 let Defs = [CPSR] in
5533 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, mod_imm:$imm), NoItinerary,
5534 "msr", "\t$mask, $imm", []> {
5539 let Inst{22} = mask{4}; // R bit
5540 let Inst{21-20} = 0b10;
5541 let Inst{19-16} = mask{3-0};
5542 let Inst{15-12} = 0b1111;
5543 let Inst{11-0} = imm;
5546 // However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
5547 // separate encoding (distinguished by bit 5.
5548 def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
5549 NoItinerary, "msr", "\t$banked, $Rn", []>,
5550 Requires<[IsARM, HasVirtualization]> {
5555 let Inst{22} = banked{5}; // R bit
5556 let Inst{21-20} = 0b10;
5557 let Inst{19-16} = banked{3-0};
5558 let Inst{15-12} = 0b1111;
5559 let Inst{11-9} = 0b001;
5560 let Inst{8} = banked{4};
5561 let Inst{7-4} = 0b0000;
5565 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5566 // are needed to probe the stack when allocating more than
5567 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5568 // ensure that the guard pages used by the OS virtual memory manager are
5569 // allocated in correct sequence.
5570 // The main point of having separate instruction are extra unmodelled effects
5571 // (compared to ordinary calls) like stack pointer change.
5573 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5574 [SDNPHasChain, SDNPSideEffect]>;
5575 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5576 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5578 def win__dbzchk : SDNode<"ARMISD::WIN__DBZCHK", SDT_WIN__DBZCHK,
5579 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
5580 let usesCustomInserter = 1, Defs = [CPSR] in
5581 def WIN__DBZCHK : PseudoInst<(outs), (ins tGPR:$divisor), NoItinerary,
5582 [(win__dbzchk tGPR:$divisor)]>;
5584 //===----------------------------------------------------------------------===//
5588 // __aeabi_read_tp preserves the registers r1-r3.
5589 // This is a pseudo inst so that we can get the encoding right,
5590 // complete with fixup for the aeabi_read_tp function.
5591 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5592 // is defined in "ARMInstrThumb.td".
5594 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5595 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5596 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>,
5597 Requires<[IsARM, IsReadTPSoft]>;
5600 // Reading thread pointer from coprocessor register
5601 def : ARMPat<(ARMthread_pointer), (MRC 15, 0, 13, 0, 3)>,
5602 Requires<[IsARM, IsReadTPHard]>;
5604 //===----------------------------------------------------------------------===//
5605 // SJLJ Exception handling intrinsics
5606 // eh_sjlj_setjmp() is an instruction sequence to store the return
5607 // address and save #0 in R0 for the non-longjmp case.
5608 // Since by its nature we may be coming from some other function to get
5609 // here, and we're using the stack frame for the containing function to
5610 // save/restore registers, we can't keep anything live in regs across
5611 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5612 // when we get here from a longjmp(). We force everything out of registers
5613 // except for our own input by listing the relevant registers in Defs. By
5614 // doing so, we also cause the prologue/epilogue code to actively preserve
5615 // all of the callee-saved resgisters, which is exactly what we want.
5616 // A constant value is passed in $val, and we use the location as a scratch.
5618 // These are pseudo-instructions and are lowered to individual MC-insts, so
5619 // no encoding information is necessary.
5621 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5622 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5623 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5624 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5626 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5627 Requires<[IsARM, HasVFP2]>;
5631 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5632 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5633 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5635 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5636 Requires<[IsARM, NoVFP]>;
5639 // FIXME: Non-IOS version(s)
5640 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5641 Defs = [ R7, LR, SP ] in {
5642 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5644 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5648 let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1 in
5649 def Int_eh_sjlj_setup_dispatch : PseudoInst<(outs), (ins), NoItinerary,
5650 [(ARMeh_sjlj_setup_dispatch)]>;
5652 // eh.sjlj.dispatchsetup pseudo-instruction.
5653 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5654 // the pseudo is expanded (which happens before any passes that need the
5655 // instruction size).
5656 let isBarrier = 1 in
5657 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5660 //===----------------------------------------------------------------------===//
5661 // Non-Instruction Patterns
5664 // ARMv4 indirect branch using (MOVr PC, dst)
5665 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5666 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5667 4, IIC_Br, [(brind GPR:$dst)],
5668 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5669 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5671 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in
5672 def TAILJMPr4 : ARMPseudoExpand<(outs), (ins GPR:$dst),
5674 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5675 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5677 // Large immediate handling.
5679 // 32-bit immediate using two piece mod_imms or movw + movt.
5680 // This is a single pseudo instruction, the benefit is that it can be remat'd
5681 // as a single unit instead of having to handle reg inputs.
5682 // FIXME: Remove this when we can do generalized remat.
5683 let isReMaterializable = 1, isMoveImm = 1 in
5684 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5685 [(set GPR:$dst, (arm_i32imm:$src))]>,
5688 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5689 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5690 Requires<[IsARM, DontUseMovt]>;
5692 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5693 // It also makes it possible to rematerialize the instructions.
5694 // FIXME: Remove this when we can do generalized remat and when machine licm
5695 // can properly the instructions.
5696 let isReMaterializable = 1 in {
5697 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5699 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5700 Requires<[IsARM, UseMovtInPic]>;
5702 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5705 (ARMWrapperPIC tglobaladdr:$addr))]>,
5706 Requires<[IsARM, DontUseMovtInPic]>;
5708 let AddedComplexity = 10 in
5709 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5712 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5713 Requires<[IsARM, DontUseMovtInPic]>;
5715 let AddedComplexity = 10 in
5716 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5718 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5719 Requires<[IsARM, UseMovtInPic]>;
5720 } // isReMaterializable
5722 // The many different faces of TLS access.
5723 def : ARMPat<(ARMWrapper tglobaltlsaddr :$dst),
5724 (MOVi32imm tglobaltlsaddr :$dst)>,
5725 Requires<[IsARM, UseMovt]>;
5727 def : Pat<(ARMWrapper tglobaltlsaddr:$src),
5728 (LDRLIT_ga_abs tglobaltlsaddr:$src)>,
5729 Requires<[IsARM, DontUseMovt]>;
5731 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5732 (MOV_ga_pcrel tglobaltlsaddr:$addr)>, Requires<[IsARM, UseMovtInPic]>;
5734 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5735 (LDRLIT_ga_pcrel tglobaltlsaddr:$addr)>,
5736 Requires<[IsARM, DontUseMovtInPic]>;
5737 let AddedComplexity = 10 in
5738 def : Pat<(load (ARMWrapperPIC tglobaltlsaddr:$addr)),
5739 (MOV_ga_pcrel_ldr tglobaltlsaddr:$addr)>,
5740 Requires<[IsARM, UseMovtInPic]>;
5743 // ConstantPool, GlobalAddress, and JumpTable
5744 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5745 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5746 Requires<[IsARM, UseMovt]>;
5747 def : ARMPat<(ARMWrapper texternalsym :$dst), (MOVi32imm texternalsym :$dst)>,
5748 Requires<[IsARM, UseMovt]>;
5749 def : ARMPat<(ARMWrapperJT tjumptable:$dst),
5750 (LEApcrelJT tjumptable:$dst)>;
5752 // TODO: add,sub,and, 3-instr forms?
5754 // Tail calls. These patterns also apply to Thumb mode.
5755 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5756 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5757 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5760 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5761 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5762 (BMOVPCB_CALL texternalsym:$func)>;
5764 // zextload i1 -> zextload i8
5765 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5766 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5768 // extload -> zextload
5769 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5770 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5771 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5772 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5774 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5776 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5777 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5780 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5781 (SMULBB GPR:$a, GPR:$b)>,
5782 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5783 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5784 (SMULBT GPR:$a, GPR:$b)>,
5785 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5786 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5787 (SMULTB GPR:$a, GPR:$b)>,
5788 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5789 def : ARMV5MOPat<(add GPR:$acc,
5790 (mul sext_16_node:$a, sext_16_node:$b)),
5791 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>,
5792 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5793 def : ARMV5MOPat<(add GPR:$acc,
5794 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5795 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>,
5796 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5797 def : ARMV5MOPat<(add GPR:$acc,
5798 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5799 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>,
5800 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5802 def : ARMV5TEPat<(int_arm_smulbb GPR:$a, GPR:$b),
5803 (SMULBB GPR:$a, GPR:$b)>;
5804 def : ARMV5TEPat<(int_arm_smulbt GPR:$a, GPR:$b),
5805 (SMULBT GPR:$a, GPR:$b)>;
5806 def : ARMV5TEPat<(int_arm_smultb GPR:$a, GPR:$b),
5807 (SMULTB GPR:$a, GPR:$b)>;
5808 def : ARMV5TEPat<(int_arm_smultt GPR:$a, GPR:$b),
5809 (SMULTT GPR:$a, GPR:$b)>;
5810 def : ARMV5TEPat<(int_arm_smulwb GPR:$a, GPR:$b),
5811 (SMULWB GPR:$a, GPR:$b)>;
5812 def : ARMV5TEPat<(int_arm_smulwt GPR:$a, GPR:$b),
5813 (SMULWT GPR:$a, GPR:$b)>;
5815 def : ARMV5TEPat<(int_arm_smlabb GPR:$a, GPR:$b, GPR:$acc),
5816 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5817 def : ARMV5TEPat<(int_arm_smlabt GPR:$a, GPR:$b, GPR:$acc),
5818 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5819 def : ARMV5TEPat<(int_arm_smlatb GPR:$a, GPR:$b, GPR:$acc),
5820 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5821 def : ARMV5TEPat<(int_arm_smlatt GPR:$a, GPR:$b, GPR:$acc),
5822 (SMLATT GPR:$a, GPR:$b, GPR:$acc)>;
5823 def : ARMV5TEPat<(int_arm_smlawb GPR:$a, GPR:$b, GPR:$acc),
5824 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5825 def : ARMV5TEPat<(int_arm_smlawt GPR:$a, GPR:$b, GPR:$acc),
5826 (SMLAWT GPR:$a, GPR:$b, GPR:$acc)>;
5828 // Pre-v7 uses MCR for synchronization barriers.
5829 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5830 Requires<[IsARM, HasV6]>;
5832 // SXT/UXT with no rotate
5833 let AddedComplexity = 16 in {
5834 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5835 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5836 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5837 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5838 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5839 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5840 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5843 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5844 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5846 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5847 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5848 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5849 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5851 // Atomic load/store patterns
5852 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5853 (LDRBrs ldst_so_reg:$src)>;
5854 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5855 (LDRBi12 addrmode_imm12:$src)>;
5856 def : ARMPat<(atomic_load_16 addrmode3:$src),
5857 (LDRH addrmode3:$src)>;
5858 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5859 (LDRrs ldst_so_reg:$src)>;
5860 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5861 (LDRi12 addrmode_imm12:$src)>;
5862 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5863 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5864 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5865 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5866 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5867 (STRH GPR:$val, addrmode3:$ptr)>;
5868 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5869 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5870 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5871 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5874 //===----------------------------------------------------------------------===//
5878 include "ARMInstrThumb.td"
5880 //===----------------------------------------------------------------------===//
5884 include "ARMInstrThumb2.td"
5886 //===----------------------------------------------------------------------===//
5887 // Floating Point Support
5890 include "ARMInstrVFP.td"
5892 //===----------------------------------------------------------------------===//
5893 // Advanced SIMD (NEON) Support
5896 include "ARMInstrNEON.td"
5898 //===----------------------------------------------------------------------===//
5899 // Assembler aliases
5903 def : InstAlias<"dmb", (DMB 0xf), 0>, Requires<[IsARM, HasDB]>;
5904 def : InstAlias<"dsb", (DSB 0xf), 0>, Requires<[IsARM, HasDB]>;
5905 def : InstAlias<"isb", (ISB 0xf), 0>, Requires<[IsARM, HasDB]>;
5906 // Armv8-R 'Data Full Barrier'
5907 def : InstAlias<"dfb", (DSB 0xc), 1>, Requires<[IsARM, HasDFB]>;
5909 // System instructions
5910 def : MnemonicAlias<"swi", "svc">;
5912 // Load / Store Multiple
5913 def : MnemonicAlias<"ldmfd", "ldm">;
5914 def : MnemonicAlias<"ldmia", "ldm">;
5915 def : MnemonicAlias<"ldmea", "ldmdb">;
5916 def : MnemonicAlias<"stmfd", "stmdb">;
5917 def : MnemonicAlias<"stmia", "stm">;
5918 def : MnemonicAlias<"stmea", "stm">;
5920 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
5921 // input operands swapped when the shift amount is zero (i.e., unspecified).
5922 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5923 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p), 0>,
5924 Requires<[IsARM, HasV6]>;
5925 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5926 (PKHBT GPRnopc:$Rd, GPRnopc:$Rm, GPRnopc:$Rn, 0, pred:$p), 0>,
5927 Requires<[IsARM, HasV6]>;
5929 // PUSH/POP aliases for STM/LDM
5930 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5931 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5933 // SSAT/USAT optional shift operand.
5934 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5935 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5936 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5937 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5940 // Extend instruction optional rotate operand.
5941 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5942 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5943 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5944 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5945 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5946 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5947 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5948 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5949 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5950 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5951 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5952 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5954 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5955 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5956 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5957 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5958 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5959 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5960 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5961 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5962 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5963 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5964 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5965 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5969 def : MnemonicAlias<"rfefa", "rfeda">;
5970 def : MnemonicAlias<"rfeea", "rfedb">;
5971 def : MnemonicAlias<"rfefd", "rfeia">;
5972 def : MnemonicAlias<"rfeed", "rfeib">;
5973 def : MnemonicAlias<"rfe", "rfeia">;
5976 def : MnemonicAlias<"srsfa", "srsib">;
5977 def : MnemonicAlias<"srsea", "srsia">;
5978 def : MnemonicAlias<"srsfd", "srsdb">;
5979 def : MnemonicAlias<"srsed", "srsda">;
5980 def : MnemonicAlias<"srs", "srsia">;
5983 def : MnemonicAlias<"qsubaddx", "qsax">;
5985 def : MnemonicAlias<"saddsubx", "sasx">;
5986 // SHASX == SHADDSUBX
5987 def : MnemonicAlias<"shaddsubx", "shasx">;
5988 // SHSAX == SHSUBADDX
5989 def : MnemonicAlias<"shsubaddx", "shsax">;
5991 def : MnemonicAlias<"ssubaddx", "ssax">;
5993 def : MnemonicAlias<"uaddsubx", "uasx">;
5994 // UHASX == UHADDSUBX
5995 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5996 // UHSAX == UHSUBADDX
5997 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5998 // UQASX == UQADDSUBX
5999 def : MnemonicAlias<"uqaddsubx", "uqasx">;
6000 // UQSAX == UQSUBADDX
6001 def : MnemonicAlias<"uqsubaddx", "uqsax">;
6003 def : MnemonicAlias<"usubaddx", "usax">;
6005 // "mov Rd, mod_imm_not" can be handled via "mvn" in assembly, just like
6007 def : ARMInstSubst<"mov${s}${p} $Rd, $imm",
6008 (MVNi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6009 def : ARMInstSubst<"mvn${s}${p} $Rd, $imm",
6010 (MOVi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6011 // Same for AND <--> BIC
6012 def : ARMInstSubst<"bic${s}${p} $Rd, $Rn, $imm",
6013 (ANDri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
6014 pred:$p, cc_out:$s)>;
6015 def : ARMInstSubst<"bic${s}${p} $Rdn, $imm",
6016 (ANDri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
6017 pred:$p, cc_out:$s)>;
6018 def : ARMInstSubst<"and${s}${p} $Rd, $Rn, $imm",
6019 (BICri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
6020 pred:$p, cc_out:$s)>;
6021 def : ARMInstSubst<"and${s}${p} $Rdn, $imm",
6022 (BICri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
6023 pred:$p, cc_out:$s)>;
6025 // Likewise, "add Rd, mod_imm_neg" -> sub
6026 def : ARMInstSubst<"add${s}${p} $Rd, $Rn, $imm",
6027 (SUBri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
6028 def : ARMInstSubst<"add${s}${p} $Rd, $imm",
6029 (SUBri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
6030 // Likewise, "sub Rd, mod_imm_neg" -> add
6031 def : ARMInstSubst<"sub${s}${p} $Rd, $Rn, $imm",
6032 (ADDri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
6033 def : ARMInstSubst<"sub${s}${p} $Rd, $imm",
6034 (ADDri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
6037 def : ARMInstSubst<"adc${s}${p} $Rd, $Rn, $imm",
6038 (SBCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6039 def : ARMInstSubst<"adc${s}${p} $Rdn, $imm",
6040 (SBCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6041 def : ARMInstSubst<"sbc${s}${p} $Rd, $Rn, $imm",
6042 (ADCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6043 def : ARMInstSubst<"sbc${s}${p} $Rdn, $imm",
6044 (ADCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
6046 // Same for CMP <--> CMN via mod_imm_neg
6047 def : ARMInstSubst<"cmp${p} $Rd, $imm",
6048 (CMNri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
6049 def : ARMInstSubst<"cmn${p} $Rd, $imm",
6050 (CMPri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
6052 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
6053 // LSR, ROR, and RRX instructions.
6054 // FIXME: We need C++ parser hooks to map the alias to the MOV
6055 // encoding. It seems we should be able to do that sort of thing
6056 // in tblgen, but it could get ugly.
6057 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
6058 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
6059 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
6061 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
6062 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
6064 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
6065 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
6067 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
6068 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
6071 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
6072 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
6073 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
6074 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
6075 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6077 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
6078 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6080 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
6081 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6083 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
6084 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6088 // "neg" is and alias for "rsb rd, rn, #0"
6089 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
6090 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
6092 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
6093 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
6094 Requires<[IsARM, NoV6]>;
6096 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
6097 // the instruction definitions need difference constraints pre-v6.
6098 // Use these aliases for the assembly parsing on pre-v6.
6099 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
6100 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s), 0>,
6101 Requires<[IsARM, NoV6]>;
6102 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
6103 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
6104 pred:$p, cc_out:$s), 0>,
6105 Requires<[IsARM, NoV6]>;
6106 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6107 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6108 Requires<[IsARM, NoV6]>;
6109 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6110 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6111 Requires<[IsARM, NoV6]>;
6112 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6113 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6114 Requires<[IsARM, NoV6]>;
6115 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6116 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6117 Requires<[IsARM, NoV6]>;
6119 // 'it' blocks in ARM mode just validate the predicates. The IT itself
6121 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
6122 ComplexDeprecationPredicate<"IT">;
6124 let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
6125 def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
6127 [(set GPR:$Rd, (int_arm_space imm:$size, GPR:$Rn))]>;
6129 //===----------------------------------
6130 // Atomic cmpxchg for -O0
6131 //===----------------------------------
6133 // The fast register allocator used during -O0 inserts spills to cover any VRegs
6134 // live across basic block boundaries. When this happens between an LDXR and an
6135 // STXR it can clear the exclusive monitor, causing all cmpxchg attempts to
6138 // Unfortunately, this means we have to have an alternative (expanded
6139 // post-regalloc) path for -O0 compilations. Fortunately this path can be
6140 // significantly more naive than the standard expansion: we conservatively
6141 // assume seq_cst, strong cmpxchg and omit clrex on failure.
6143 let Constraints = "@earlyclobber $Rd,@earlyclobber $temp",
6144 mayLoad = 1, mayStore = 1 in {
6145 def CMP_SWAP_8 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6146 (ins GPR:$addr, GPR:$desired, GPR:$new),
6147 NoItinerary, []>, Sched<[]>;
6149 def CMP_SWAP_16 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6150 (ins GPR:$addr, GPR:$desired, GPR:$new),
6151 NoItinerary, []>, Sched<[]>;
6153 def CMP_SWAP_32 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6154 (ins GPR:$addr, GPR:$desired, GPR:$new),
6155 NoItinerary, []>, Sched<[]>;
6157 def CMP_SWAP_64 : PseudoInst<(outs GPRPair:$Rd, GPR:$temp),
6158 (ins GPR:$addr, GPRPair:$desired, GPRPair:$new),
6159 NoItinerary, []>, Sched<[]>;
6162 def CompilerBarrier : PseudoInst<(outs), (ins i32imm:$ordering), NoItinerary,
6163 [(atomic_fence imm:$ordering, 0)]> {
6164 let hasSideEffects = 1;
6166 let AsmString = "@ COMPILER BARRIER";