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>;
109 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
110 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
111 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntUnaryOp>;
113 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
114 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
115 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
116 [SDNPHasChain, SDNPSideEffect,
117 SDNPOptInGlue, SDNPOutGlue]>;
118 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
120 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
121 SDNPMayStore, SDNPMayLoad]>;
123 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
124 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
126 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
127 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
129 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
130 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
133 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
134 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
135 def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
136 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
137 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
140 def ARMssatnoshift : SDNode<"ARMISD::SSAT", SDTIntSatNoShOp, []>;
142 def ARMusatnoshift : SDNode<"ARMISD::USAT", SDTIntSatNoShOp, []>;
144 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
145 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
147 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
149 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
152 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
155 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
158 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
161 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
162 [SDNPOutGlue, SDNPCommutative]>;
164 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
166 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
167 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
168 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
170 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
172 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
173 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
174 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
176 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
177 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
178 SDT_ARMEH_SJLJ_Setjmp,
179 [SDNPHasChain, SDNPSideEffect]>;
180 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
181 SDT_ARMEH_SJLJ_Longjmp,
182 [SDNPHasChain, SDNPSideEffect]>;
183 def ARMeh_sjlj_setup_dispatch: SDNode<"ARMISD::EH_SJLJ_SETUP_DISPATCH",
184 SDT_ARMEH_SJLJ_SetupDispatch,
185 [SDNPHasChain, SDNPSideEffect]>;
187 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
188 [SDNPHasChain, SDNPSideEffect]>;
189 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
190 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
192 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
193 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
195 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
197 def ARMmemcopy : SDNode<"ARMISD::MEMCPY", SDT_ARMMEMCPY,
198 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
199 SDNPMayStore, SDNPMayLoad]>;
201 def ARMsmulwb : SDNode<"ARMISD::SMULWB", SDTIntBinOp, []>;
202 def ARMsmulwt : SDNode<"ARMISD::SMULWT", SDTIntBinOp, []>;
203 def ARMsmlalbb : SDNode<"ARMISD::SMLALBB", SDT_LongMac, []>;
204 def ARMsmlalbt : SDNode<"ARMISD::SMLALBT", SDT_LongMac, []>;
205 def ARMsmlaltb : SDNode<"ARMISD::SMLALTB", SDT_LongMac, []>;
206 def ARMsmlaltt : SDNode<"ARMISD::SMLALTT", SDT_LongMac, []>;
208 //===----------------------------------------------------------------------===//
209 // ARM Instruction Predicate Definitions.
211 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
212 AssemblerPredicate<"HasV4TOps", "armv4t">;
213 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
214 def HasV5T : Predicate<"Subtarget->hasV5TOps()">,
215 AssemblerPredicate<"HasV5TOps", "armv5t">;
216 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
217 AssemblerPredicate<"HasV5TEOps", "armv5te">;
218 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
219 AssemblerPredicate<"HasV6Ops", "armv6">;
220 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
221 def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
222 AssemblerPredicate<"HasV6MOps",
223 "armv6m or armv6t2">;
224 def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">,
225 AssemblerPredicate<"HasV8MBaselineOps",
227 def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">,
228 AssemblerPredicate<"HasV8MMainlineOps",
230 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
231 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
232 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
233 def HasV6K : Predicate<"Subtarget->hasV6KOps()">,
234 AssemblerPredicate<"HasV6KOps", "armv6k">;
235 def NoV6K : Predicate<"!Subtarget->hasV6KOps()">;
236 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
237 AssemblerPredicate<"HasV7Ops", "armv7">;
238 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
239 AssemblerPredicate<"HasV8Ops", "armv8">;
240 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
241 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
242 def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">,
243 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
244 def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">,
245 AssemblerPredicate<"HasV8_2aOps", "armv8.2a">;
246 def HasV8_3a : Predicate<"Subtarget->hasV8_3aOps()">,
247 AssemblerPredicate<"HasV8_3aOps", "armv8.3a">;
248 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
249 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
250 AssemblerPredicate<"FeatureVFP2", "VFP2">;
251 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
252 AssemblerPredicate<"FeatureVFP3", "VFP3">;
253 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
254 AssemblerPredicate<"FeatureVFP4", "VFP4">;
255 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
256 AssemblerPredicate<"!FeatureVFPOnlySP",
257 "double precision VFP">;
258 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
259 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
260 def HasNEON : Predicate<"Subtarget->hasNEON()">,
261 AssemblerPredicate<"FeatureNEON", "NEON">;
262 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
263 AssemblerPredicate<"FeatureCrypto", "crypto">;
264 def HasDotProd : Predicate<"Subtarget->hasDotProd()">,
265 AssemblerPredicate<"FeatureDotProd", "dotprod">;
266 def HasCRC : Predicate<"Subtarget->hasCRC()">,
267 AssemblerPredicate<"FeatureCRC", "crc">;
268 def HasRAS : Predicate<"Subtarget->hasRAS()">,
269 AssemblerPredicate<"FeatureRAS", "ras">;
270 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
271 AssemblerPredicate<"FeatureFP16","half-float conversions">;
272 def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">,
273 AssemblerPredicate<"FeatureFullFP16","full half-float">;
274 def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">,
275 AssemblerPredicate<"FeatureHWDivThumb", "divide in THUMB">;
276 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
277 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
278 def HasDSP : Predicate<"Subtarget->hasDSP()">,
279 AssemblerPredicate<"FeatureDSP", "dsp">;
280 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
281 AssemblerPredicate<"FeatureDB",
283 def HasDFB : Predicate<"Subtarget->hasFullDataBarrier()">,
284 AssemblerPredicate<"FeatureDFB",
285 "full-data-barrier">;
286 def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">,
287 AssemblerPredicate<"FeatureV7Clrex",
289 def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">,
290 AssemblerPredicate<"FeatureAcquireRelease",
292 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
293 AssemblerPredicate<"FeatureMP",
295 def HasVirtualization: Predicate<"false">,
296 AssemblerPredicate<"FeatureVirtualization",
297 "virtualization-extensions">;
298 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
299 AssemblerPredicate<"FeatureTrustZone",
301 def Has8MSecExt : Predicate<"Subtarget->has8MSecExt()">,
302 AssemblerPredicate<"Feature8MSecExt",
303 "ARMv8-M Security Extensions">;
304 def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">;
305 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
306 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
307 def IsThumb : Predicate<"Subtarget->isThumb()">,
308 AssemblerPredicate<"ModeThumb", "thumb">;
309 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
310 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
311 AssemblerPredicate<"ModeThumb,FeatureThumb2",
313 def IsMClass : Predicate<"Subtarget->isMClass()">,
314 AssemblerPredicate<"FeatureMClass", "armv*m">;
315 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
316 AssemblerPredicate<"!FeatureMClass",
318 def IsARM : Predicate<"!Subtarget->isThumb()">,
319 AssemblerPredicate<"!ModeThumb", "arm-mode">;
320 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
321 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
322 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
323 def IsWindows : Predicate<"Subtarget->isTargetWindows()">;
324 def IsNotWindows : Predicate<"!Subtarget->isTargetWindows()">;
325 def IsReadTPHard : Predicate<"Subtarget->isReadTPHard()">;
326 def IsReadTPSoft : Predicate<"!Subtarget->isReadTPHard()">;
327 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
328 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
329 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
331 def UseNegativeImmediates :
333 AssemblerPredicate<"!FeatureNoNegativeImmediates",
334 "NegativeImmediates">;
336 // FIXME: Eventually this will be just "hasV6T2Ops".
337 let RecomputePerFunction = 1 in {
338 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
339 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
340 def UseMovtInPic : Predicate<"Subtarget->useMovt(*MF) && Subtarget->allowPositionIndependentMovt()">;
341 def DontUseMovtInPic : Predicate<"!Subtarget->useMovt(*MF) || !Subtarget->allowPositionIndependentMovt()">;
343 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
344 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
346 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
347 // But only select them if more precision in FP computation is allowed.
348 // Do not use them for Darwin platforms.
349 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
350 " FPOpFusion::Fast && "
351 " Subtarget->hasVFP4()) && "
352 "!Subtarget->isTargetDarwin()">;
353 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
354 " FPOpFusion::Fast &&"
355 " Subtarget->hasVFP4()) || "
356 "Subtarget->isTargetDarwin()">;
358 def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
359 def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
361 def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
362 def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
364 def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
365 "!Subtarget->useNEONForSinglePrecisionFP()">;
366 def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
367 "Subtarget->useNEONForSinglePrecisionFP()">;
369 let RecomputePerFunction = 1 in {
370 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">;
371 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">;
374 def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">;
376 //===----------------------------------------------------------------------===//
377 // ARM Flag Definitions.
379 class RegConstraint<string C> {
380 string Constraints = C;
383 //===----------------------------------------------------------------------===//
384 // ARM specific transformation functions and pattern fragments.
387 // imm_neg_XFORM - Return the negation of an i32 immediate value.
388 def imm_neg_XFORM : SDNodeXForm<imm, [{
389 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), SDLoc(N), MVT::i32);
392 // imm_not_XFORM - Return the complement of a i32 immediate value.
393 def imm_not_XFORM : SDNodeXForm<imm, [{
394 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), SDLoc(N), MVT::i32);
397 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
398 def imm16_31 : ImmLeaf<i32, [{
399 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
402 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
403 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
404 if (CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17)
407 if (N->getOpcode() != ISD::SRA)
409 if (N->getOperand(0).getOpcode() != ISD::SHL)
412 auto *ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(1));
413 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
416 ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(0)->getOperand(1));
417 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
423 /// Split a 32-bit immediate into two 16 bit parts.
424 def hi16 : SDNodeXForm<imm, [{
425 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, SDLoc(N),
429 def lo16AllZero : PatLeaf<(i32 imm), [{
430 // Returns true if all low 16-bits are 0.
431 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
434 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
435 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
437 // An 'and' node with a single use.
438 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
439 return N->hasOneUse();
442 // An 'xor' node with a single use.
443 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
444 return N->hasOneUse();
447 // An 'fmul' node with a single use.
448 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
449 return N->hasOneUse();
452 // An 'fadd' node which checks for single non-hazardous use.
453 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
454 return hasNoVMLxHazardUse(N);
457 // An 'fsub' node which checks for single non-hazardous use.
458 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
459 return hasNoVMLxHazardUse(N);
462 //===----------------------------------------------------------------------===//
463 // Operand Definitions.
466 // Immediate operands with a shared generic asm render method.
467 class ImmAsmOperand<int Low, int High> : AsmOperandClass {
468 let RenderMethod = "addImmOperands";
469 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
470 let DiagnosticString = "operand must be an immediate in the range [" # Low # "," # High # "]";
473 class ImmAsmOperandMinusOne<int Low, int High> : AsmOperandClass {
474 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
475 let DiagnosticType = "ImmRange" # Low # "_" # High;
476 let DiagnosticString = "operand must be an immediate in the range [" # Low # "," # High # "]";
479 // Operands that are part of a memory addressing mode.
480 class MemOperand : Operand<i32> { let OperandType = "OPERAND_MEMORY"; }
483 // FIXME: rename brtarget to t2_brtarget
484 def brtarget : Operand<OtherVT> {
485 let EncoderMethod = "getBranchTargetOpValue";
486 let OperandType = "OPERAND_PCREL";
487 let DecoderMethod = "DecodeT2BROperand";
490 // Branches targeting ARM-mode must be divisible by 4 if they're a raw
492 def ARMBranchTarget : AsmOperandClass {
493 let Name = "ARMBranchTarget";
496 // Branches targeting Thumb-mode must be divisible by 2 if they're a raw
498 def ThumbBranchTarget : AsmOperandClass {
499 let Name = "ThumbBranchTarget";
502 def arm_br_target : Operand<OtherVT> {
503 let ParserMatchClass = ARMBranchTarget;
504 let EncoderMethod = "getARMBranchTargetOpValue";
505 let OperandType = "OPERAND_PCREL";
508 // Call target for ARM. Handles conditional/unconditional
509 // FIXME: rename bl_target to t2_bltarget?
510 def arm_bl_target : Operand<i32> {
511 let ParserMatchClass = ARMBranchTarget;
512 let EncoderMethod = "getARMBLTargetOpValue";
513 let OperandType = "OPERAND_PCREL";
516 // Target for BLX *from* ARM mode.
517 def arm_blx_target : Operand<i32> {
518 let ParserMatchClass = ThumbBranchTarget;
519 let EncoderMethod = "getARMBLXTargetOpValue";
520 let OperandType = "OPERAND_PCREL";
523 // A list of registers separated by comma. Used by load/store multiple.
524 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
525 def reglist : Operand<i32> {
526 let EncoderMethod = "getRegisterListOpValue";
527 let ParserMatchClass = RegListAsmOperand;
528 let PrintMethod = "printRegisterList";
529 let DecoderMethod = "DecodeRegListOperand";
532 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
534 def DPRRegListAsmOperand : AsmOperandClass {
535 let Name = "DPRRegList";
536 let DiagnosticType = "DPR_RegList";
538 def dpr_reglist : Operand<i32> {
539 let EncoderMethod = "getRegisterListOpValue";
540 let ParserMatchClass = DPRRegListAsmOperand;
541 let PrintMethod = "printRegisterList";
542 let DecoderMethod = "DecodeDPRRegListOperand";
545 def SPRRegListAsmOperand : AsmOperandClass {
546 let Name = "SPRRegList";
547 let DiagnosticString = "operand must be a list of registers in range [s0, s31]";
549 def spr_reglist : Operand<i32> {
550 let EncoderMethod = "getRegisterListOpValue";
551 let ParserMatchClass = SPRRegListAsmOperand;
552 let PrintMethod = "printRegisterList";
553 let DecoderMethod = "DecodeSPRRegListOperand";
556 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
557 def cpinst_operand : Operand<i32> {
558 let PrintMethod = "printCPInstOperand";
562 def pclabel : Operand<i32> {
563 let PrintMethod = "printPCLabel";
566 // ADR instruction labels.
567 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
568 def adrlabel : Operand<i32> {
569 let EncoderMethod = "getAdrLabelOpValue";
570 let ParserMatchClass = AdrLabelAsmOperand;
571 let PrintMethod = "printAdrLabelOperand<0>";
574 def neon_vcvt_imm32 : Operand<i32> {
575 let EncoderMethod = "getNEONVcvtImm32OpValue";
576 let DecoderMethod = "DecodeVCVTImmOperand";
579 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
580 def rot_imm_XFORM: SDNodeXForm<imm, [{
581 switch (N->getZExtValue()){
582 default: llvm_unreachable(nullptr);
583 case 0: return CurDAG->getTargetConstant(0, SDLoc(N), MVT::i32);
584 case 8: return CurDAG->getTargetConstant(1, SDLoc(N), MVT::i32);
585 case 16: return CurDAG->getTargetConstant(2, SDLoc(N), MVT::i32);
586 case 24: return CurDAG->getTargetConstant(3, SDLoc(N), MVT::i32);
589 def RotImmAsmOperand : AsmOperandClass {
591 let ParserMethod = "parseRotImm";
593 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
594 int32_t v = N->getZExtValue();
595 return v == 8 || v == 16 || v == 24; }],
597 let PrintMethod = "printRotImmOperand";
598 let ParserMatchClass = RotImmAsmOperand;
601 // shift_imm: An integer that encodes a shift amount and the type of shift
602 // (asr or lsl). The 6-bit immediate encodes as:
605 // {4-0} imm5 shift amount.
606 // asr #32 encoded as imm5 == 0.
607 def ShifterImmAsmOperand : AsmOperandClass {
608 let Name = "ShifterImm";
609 let ParserMethod = "parseShifterImm";
611 def shift_imm : Operand<i32> {
612 let PrintMethod = "printShiftImmOperand";
613 let ParserMatchClass = ShifterImmAsmOperand;
616 // shifter_operand operands: so_reg_reg, so_reg_imm, and mod_imm.
617 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
618 def so_reg_reg : Operand<i32>, // reg reg imm
619 ComplexPattern<i32, 3, "SelectRegShifterOperand",
620 [shl, srl, sra, rotr]> {
621 let EncoderMethod = "getSORegRegOpValue";
622 let PrintMethod = "printSORegRegOperand";
623 let DecoderMethod = "DecodeSORegRegOperand";
624 let ParserMatchClass = ShiftedRegAsmOperand;
625 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
628 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
629 def so_reg_imm : Operand<i32>, // reg imm
630 ComplexPattern<i32, 2, "SelectImmShifterOperand",
631 [shl, srl, sra, rotr]> {
632 let EncoderMethod = "getSORegImmOpValue";
633 let PrintMethod = "printSORegImmOperand";
634 let DecoderMethod = "DecodeSORegImmOperand";
635 let ParserMatchClass = ShiftedImmAsmOperand;
636 let MIOperandInfo = (ops GPR, i32imm);
639 // FIXME: Does this need to be distinct from so_reg?
640 def shift_so_reg_reg : Operand<i32>, // reg reg imm
641 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
642 [shl,srl,sra,rotr]> {
643 let EncoderMethod = "getSORegRegOpValue";
644 let PrintMethod = "printSORegRegOperand";
645 let DecoderMethod = "DecodeSORegRegOperand";
646 let ParserMatchClass = ShiftedRegAsmOperand;
647 let MIOperandInfo = (ops GPR, GPR, i32imm);
650 // FIXME: Does this need to be distinct from so_reg?
651 def shift_so_reg_imm : Operand<i32>, // reg reg imm
652 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
653 [shl,srl,sra,rotr]> {
654 let EncoderMethod = "getSORegImmOpValue";
655 let PrintMethod = "printSORegImmOperand";
656 let DecoderMethod = "DecodeSORegImmOperand";
657 let ParserMatchClass = ShiftedImmAsmOperand;
658 let MIOperandInfo = (ops GPR, i32imm);
661 // mod_imm: match a 32-bit immediate operand, which can be encoded into
662 // a 12-bit immediate; an 8-bit integer and a 4-bit rotator (See ARMARM
663 // - "Modified Immediate Constants"). Within the MC layer we keep this
664 // immediate in its encoded form.
665 def ModImmAsmOperand: AsmOperandClass {
667 let ParserMethod = "parseModImm";
669 def mod_imm : Operand<i32>, ImmLeaf<i32, [{
670 return ARM_AM::getSOImmVal(Imm) != -1;
672 let EncoderMethod = "getModImmOpValue";
673 let PrintMethod = "printModImmOperand";
674 let ParserMatchClass = ModImmAsmOperand;
677 // Note: the patterns mod_imm_not and mod_imm_neg do not require an encoder
678 // method and such, as they are only used on aliases (Pat<> and InstAlias<>).
679 // The actual parsing, encoding, decoding are handled by the destination
680 // instructions, which use mod_imm.
682 def ModImmNotAsmOperand : AsmOperandClass { let Name = "ModImmNot"; }
683 def mod_imm_not : Operand<i32>, PatLeaf<(imm), [{
684 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
686 let ParserMatchClass = ModImmNotAsmOperand;
689 def ModImmNegAsmOperand : AsmOperandClass { let Name = "ModImmNeg"; }
690 def mod_imm_neg : Operand<i32>, PatLeaf<(imm), [{
691 unsigned Value = -(unsigned)N->getZExtValue();
692 return Value && ARM_AM::getSOImmVal(Value) != -1;
694 let ParserMatchClass = ModImmNegAsmOperand;
697 /// arm_i32imm - True for +V6T2, or when isSOImmTwoParVal()
698 def arm_i32imm : PatLeaf<(imm), [{
699 if (Subtarget->useMovt(*MF))
701 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
704 /// imm0_1 predicate - Immediate in the range [0,1].
705 def Imm0_1AsmOperand: ImmAsmOperand<0,1> { let Name = "Imm0_1"; }
706 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
708 /// imm0_3 predicate - Immediate in the range [0,3].
709 def Imm0_3AsmOperand: ImmAsmOperand<0,3> { let Name = "Imm0_3"; }
710 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
712 /// imm0_7 predicate - Immediate in the range [0,7].
713 def Imm0_7AsmOperand: ImmAsmOperand<0,7> {
716 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
717 return Imm >= 0 && Imm < 8;
719 let ParserMatchClass = Imm0_7AsmOperand;
722 /// imm8_255 predicate - Immediate in the range [8,255].
723 def Imm8_255AsmOperand: ImmAsmOperand<8,255> { let Name = "Imm8_255"; }
724 def imm8_255 : Operand<i32>, ImmLeaf<i32, [{
725 return Imm >= 8 && Imm < 256;
727 let ParserMatchClass = Imm8_255AsmOperand;
730 /// imm8 predicate - Immediate is exactly 8.
731 def Imm8AsmOperand: ImmAsmOperand<8,8> { let Name = "Imm8"; }
732 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
733 let ParserMatchClass = Imm8AsmOperand;
736 /// imm16 predicate - Immediate is exactly 16.
737 def Imm16AsmOperand: ImmAsmOperand<16,16> { let Name = "Imm16"; }
738 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
739 let ParserMatchClass = Imm16AsmOperand;
742 /// imm32 predicate - Immediate is exactly 32.
743 def Imm32AsmOperand: ImmAsmOperand<32,32> { let Name = "Imm32"; }
744 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
745 let ParserMatchClass = Imm32AsmOperand;
748 def imm8_or_16 : ImmLeaf<i32, [{ return Imm == 8 || Imm == 16;}]>;
750 /// imm1_7 predicate - Immediate in the range [1,7].
751 def Imm1_7AsmOperand: ImmAsmOperand<1,7> { let Name = "Imm1_7"; }
752 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
753 let ParserMatchClass = Imm1_7AsmOperand;
756 /// imm1_15 predicate - Immediate in the range [1,15].
757 def Imm1_15AsmOperand: ImmAsmOperand<1,15> { let Name = "Imm1_15"; }
758 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
759 let ParserMatchClass = Imm1_15AsmOperand;
762 /// imm1_31 predicate - Immediate in the range [1,31].
763 def Imm1_31AsmOperand: ImmAsmOperand<1,31> { let Name = "Imm1_31"; }
764 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
765 let ParserMatchClass = Imm1_31AsmOperand;
768 /// imm0_15 predicate - Immediate in the range [0,15].
769 def Imm0_15AsmOperand: ImmAsmOperand<0,15> {
770 let Name = "Imm0_15";
772 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
773 return Imm >= 0 && Imm < 16;
775 let ParserMatchClass = Imm0_15AsmOperand;
778 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
779 def Imm0_31AsmOperand: ImmAsmOperand<0,31> { let Name = "Imm0_31"; }
780 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
781 return Imm >= 0 && Imm < 32;
783 let ParserMatchClass = Imm0_31AsmOperand;
786 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
787 def Imm0_32AsmOperand: ImmAsmOperand<0,32> { let Name = "Imm0_32"; }
788 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
789 return Imm >= 0 && Imm < 33;
791 let ParserMatchClass = Imm0_32AsmOperand;
794 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
795 def Imm0_63AsmOperand: ImmAsmOperand<0,63> { let Name = "Imm0_63"; }
796 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
797 return Imm >= 0 && Imm < 64;
799 let ParserMatchClass = Imm0_63AsmOperand;
802 /// imm0_239 predicate - Immediate in the range [0,239].
803 def Imm0_239AsmOperand : ImmAsmOperand<0,239> {
804 let Name = "Imm0_239";
806 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
807 let ParserMatchClass = Imm0_239AsmOperand;
810 /// imm0_255 predicate - Immediate in the range [0,255].
811 def Imm0_255AsmOperand : ImmAsmOperand<0,255> { let Name = "Imm0_255"; }
812 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
813 let ParserMatchClass = Imm0_255AsmOperand;
816 /// imm0_65535 - An immediate is in the range [0,65535].
817 def Imm0_65535AsmOperand: ImmAsmOperand<0,65535> { let Name = "Imm0_65535"; }
818 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
819 return Imm >= 0 && Imm < 65536;
821 let ParserMatchClass = Imm0_65535AsmOperand;
824 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
825 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
826 return -Imm >= 0 && -Imm < 65536;
829 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
830 // a relocatable expression.
832 // FIXME: This really needs a Thumb version separate from the ARM version.
833 // While the range is the same, and can thus use the same match class,
834 // the encoding is different so it should have a different encoder method.
835 def Imm0_65535ExprAsmOperand: AsmOperandClass {
836 let Name = "Imm0_65535Expr";
837 let RenderMethod = "addImmOperands";
838 let DiagnosticString = "operand must be an immediate in the range [0,0xffff] or a relocatable expression";
841 def imm0_65535_expr : Operand<i32> {
842 let EncoderMethod = "getHiLo16ImmOpValue";
843 let ParserMatchClass = Imm0_65535ExprAsmOperand;
846 def Imm256_65535ExprAsmOperand: ImmAsmOperand<256,65535> { let Name = "Imm256_65535Expr"; }
847 def imm256_65535_expr : Operand<i32> {
848 let ParserMatchClass = Imm256_65535ExprAsmOperand;
851 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
852 def Imm24bitAsmOperand: ImmAsmOperand<0,0xffffff> {
853 let Name = "Imm24bit";
854 let DiagnosticString = "operand must be an immediate in the range [0,0xffffff]";
856 def imm24b : Operand<i32>, ImmLeaf<i32, [{
857 return Imm >= 0 && Imm <= 0xffffff;
859 let ParserMatchClass = Imm24bitAsmOperand;
863 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
865 def BitfieldAsmOperand : AsmOperandClass {
866 let Name = "Bitfield";
867 let ParserMethod = "parseBitfield";
870 def bf_inv_mask_imm : Operand<i32>,
872 return ARM::isBitFieldInvertedMask(N->getZExtValue());
874 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
875 let PrintMethod = "printBitfieldInvMaskImmOperand";
876 let DecoderMethod = "DecodeBitfieldMaskOperand";
877 let ParserMatchClass = BitfieldAsmOperand;
880 def imm1_32_XFORM: SDNodeXForm<imm, [{
881 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
884 def Imm1_32AsmOperand: ImmAsmOperandMinusOne<1,32> {
885 let Name = "Imm1_32";
887 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
888 uint64_t Imm = N->getZExtValue();
889 return Imm > 0 && Imm <= 32;
892 let PrintMethod = "printImmPlusOneOperand";
893 let ParserMatchClass = Imm1_32AsmOperand;
896 def imm1_16_XFORM: SDNodeXForm<imm, [{
897 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
900 def Imm1_16AsmOperand: ImmAsmOperandMinusOne<1,16> { let Name = "Imm1_16"; }
901 def imm1_16 : Operand<i32>, ImmLeaf<i32, [{
902 return Imm > 0 && Imm <= 16;
905 let PrintMethod = "printImmPlusOneOperand";
906 let ParserMatchClass = Imm1_16AsmOperand;
909 // Define ARM specific addressing modes.
910 // addrmode_imm12 := reg +/- imm12
912 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
913 class AddrMode_Imm12 : MemOperand,
914 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
915 // 12-bit immediate operand. Note that instructions using this encode
916 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
917 // immediate values are as normal.
919 let EncoderMethod = "getAddrModeImm12OpValue";
920 let DecoderMethod = "DecodeAddrModeImm12Operand";
921 let ParserMatchClass = MemImm12OffsetAsmOperand;
922 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
925 def addrmode_imm12 : AddrMode_Imm12 {
926 let PrintMethod = "printAddrModeImm12Operand<false>";
929 def addrmode_imm12_pre : AddrMode_Imm12 {
930 let PrintMethod = "printAddrModeImm12Operand<true>";
933 // ldst_so_reg := reg +/- reg shop imm
935 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
936 def ldst_so_reg : MemOperand,
937 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
938 let EncoderMethod = "getLdStSORegOpValue";
939 // FIXME: Simplify the printer
940 let PrintMethod = "printAddrMode2Operand";
941 let DecoderMethod = "DecodeSORegMemOperand";
942 let ParserMatchClass = MemRegOffsetAsmOperand;
943 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
946 // postidx_imm8 := +/- [0,255]
949 // {8} 1 is imm8 is non-negative. 0 otherwise.
950 // {7-0} [0,255] imm8 value.
951 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
952 def postidx_imm8 : MemOperand {
953 let PrintMethod = "printPostIdxImm8Operand";
954 let ParserMatchClass = PostIdxImm8AsmOperand;
955 let MIOperandInfo = (ops i32imm);
958 // postidx_imm8s4 := +/- [0,1020]
961 // {8} 1 is imm8 is non-negative. 0 otherwise.
962 // {7-0} [0,255] imm8 value, scaled by 4.
963 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
964 def postidx_imm8s4 : MemOperand {
965 let PrintMethod = "printPostIdxImm8s4Operand";
966 let ParserMatchClass = PostIdxImm8s4AsmOperand;
967 let MIOperandInfo = (ops i32imm);
971 // postidx_reg := +/- reg
973 def PostIdxRegAsmOperand : AsmOperandClass {
974 let Name = "PostIdxReg";
975 let ParserMethod = "parsePostIdxReg";
977 def postidx_reg : MemOperand {
978 let EncoderMethod = "getPostIdxRegOpValue";
979 let DecoderMethod = "DecodePostIdxReg";
980 let PrintMethod = "printPostIdxRegOperand";
981 let ParserMatchClass = PostIdxRegAsmOperand;
982 let MIOperandInfo = (ops GPRnopc, i32imm);
985 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
986 let Name = "PostIdxRegShifted";
987 let ParserMethod = "parsePostIdxReg";
989 def am2offset_reg : MemOperand,
990 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
991 [], [SDNPWantRoot]> {
992 let EncoderMethod = "getAddrMode2OffsetOpValue";
993 let PrintMethod = "printAddrMode2OffsetOperand";
994 // When using this for assembly, it's always as a post-index offset.
995 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
996 let MIOperandInfo = (ops GPRnopc, i32imm);
999 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
1000 // the GPR is purely vestigal at this point.
1001 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
1002 def am2offset_imm : MemOperand,
1003 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
1004 [], [SDNPWantRoot]> {
1005 let EncoderMethod = "getAddrMode2OffsetOpValue";
1006 let PrintMethod = "printAddrMode2OffsetOperand";
1007 let ParserMatchClass = AM2OffsetImmAsmOperand;
1008 let MIOperandInfo = (ops GPRnopc, i32imm);
1012 // addrmode3 := reg +/- reg
1013 // addrmode3 := reg +/- imm8
1015 // FIXME: split into imm vs. reg versions.
1016 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
1017 class AddrMode3 : MemOperand,
1018 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
1019 let EncoderMethod = "getAddrMode3OpValue";
1020 let ParserMatchClass = AddrMode3AsmOperand;
1021 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
1024 def addrmode3 : AddrMode3
1026 let PrintMethod = "printAddrMode3Operand<false>";
1029 def addrmode3_pre : AddrMode3
1031 let PrintMethod = "printAddrMode3Operand<true>";
1034 // FIXME: split into imm vs. reg versions.
1035 // FIXME: parser method to handle +/- register.
1036 def AM3OffsetAsmOperand : AsmOperandClass {
1037 let Name = "AM3Offset";
1038 let ParserMethod = "parseAM3Offset";
1040 def am3offset : MemOperand,
1041 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
1042 [], [SDNPWantRoot]> {
1043 let EncoderMethod = "getAddrMode3OffsetOpValue";
1044 let PrintMethod = "printAddrMode3OffsetOperand";
1045 let ParserMatchClass = AM3OffsetAsmOperand;
1046 let MIOperandInfo = (ops GPR, i32imm);
1049 // ldstm_mode := {ia, ib, da, db}
1051 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
1052 let EncoderMethod = "getLdStmModeOpValue";
1053 let PrintMethod = "printLdStmModeOperand";
1056 // addrmode5 := reg +/- imm8*4
1058 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
1059 class AddrMode5 : MemOperand,
1060 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
1061 let EncoderMethod = "getAddrMode5OpValue";
1062 let DecoderMethod = "DecodeAddrMode5Operand";
1063 let ParserMatchClass = AddrMode5AsmOperand;
1064 let MIOperandInfo = (ops GPR:$base, i32imm);
1067 def addrmode5 : AddrMode5 {
1068 let PrintMethod = "printAddrMode5Operand<false>";
1071 def addrmode5_pre : AddrMode5 {
1072 let PrintMethod = "printAddrMode5Operand<true>";
1075 // addrmode5fp16 := reg +/- imm8*2
1077 def AddrMode5FP16AsmOperand : AsmOperandClass { let Name = "AddrMode5FP16"; }
1078 class AddrMode5FP16 : Operand<i32>,
1079 ComplexPattern<i32, 2, "SelectAddrMode5FP16", []> {
1080 let EncoderMethod = "getAddrMode5FP16OpValue";
1081 let DecoderMethod = "DecodeAddrMode5FP16Operand";
1082 let ParserMatchClass = AddrMode5FP16AsmOperand;
1083 let MIOperandInfo = (ops GPR:$base, i32imm);
1086 def addrmode5fp16 : AddrMode5FP16 {
1087 let PrintMethod = "printAddrMode5FP16Operand<false>";
1090 // addrmode6 := reg with optional alignment
1092 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
1093 def addrmode6 : MemOperand,
1094 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1095 let PrintMethod = "printAddrMode6Operand";
1096 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1097 let EncoderMethod = "getAddrMode6AddressOpValue";
1098 let DecoderMethod = "DecodeAddrMode6Operand";
1099 let ParserMatchClass = AddrMode6AsmOperand;
1102 def am6offset : MemOperand,
1103 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
1104 [], [SDNPWantRoot]> {
1105 let PrintMethod = "printAddrMode6OffsetOperand";
1106 let MIOperandInfo = (ops GPR);
1107 let EncoderMethod = "getAddrMode6OffsetOpValue";
1108 let DecoderMethod = "DecodeGPRRegisterClass";
1111 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
1112 // (single element from one lane) for size 32.
1113 def addrmode6oneL32 : MemOperand,
1114 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1115 let PrintMethod = "printAddrMode6Operand";
1116 let MIOperandInfo = (ops GPR:$addr, i32imm);
1117 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
1120 // Base class for addrmode6 with specific alignment restrictions.
1121 class AddrMode6Align : MemOperand,
1122 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1123 let PrintMethod = "printAddrMode6Operand";
1124 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1125 let EncoderMethod = "getAddrMode6AddressOpValue";
1126 let DecoderMethod = "DecodeAddrMode6Operand";
1129 // Special version of addrmode6 to handle no allowed alignment encoding for
1130 // VLD/VST instructions and checking the alignment is not specified.
1131 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1132 let Name = "AlignedMemoryNone";
1133 let DiagnosticString = "alignment must be omitted";
1135 def addrmode6alignNone : AddrMode6Align {
1136 // The alignment specifier can only be omitted.
1137 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1140 // Special version of addrmode6 to handle 16-bit alignment encoding for
1141 // VLD/VST instructions and checking the alignment value.
1142 def AddrMode6Align16AsmOperand : AsmOperandClass {
1143 let Name = "AlignedMemory16";
1144 let DiagnosticString = "alignment must be 16 or omitted";
1146 def addrmode6align16 : AddrMode6Align {
1147 // The alignment specifier can only be 16 or omitted.
1148 let ParserMatchClass = AddrMode6Align16AsmOperand;
1151 // Special version of addrmode6 to handle 32-bit alignment encoding for
1152 // VLD/VST instructions and checking the alignment value.
1153 def AddrMode6Align32AsmOperand : AsmOperandClass {
1154 let Name = "AlignedMemory32";
1155 let DiagnosticString = "alignment must be 32 or omitted";
1157 def addrmode6align32 : AddrMode6Align {
1158 // The alignment specifier can only be 32 or omitted.
1159 let ParserMatchClass = AddrMode6Align32AsmOperand;
1162 // Special version of addrmode6 to handle 64-bit alignment encoding for
1163 // VLD/VST instructions and checking the alignment value.
1164 def AddrMode6Align64AsmOperand : AsmOperandClass {
1165 let Name = "AlignedMemory64";
1166 let DiagnosticString = "alignment must be 64 or omitted";
1168 def addrmode6align64 : AddrMode6Align {
1169 // The alignment specifier can only be 64 or omitted.
1170 let ParserMatchClass = AddrMode6Align64AsmOperand;
1173 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1174 // for VLD/VST instructions and checking the alignment value.
1175 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1176 let Name = "AlignedMemory64or128";
1177 let DiagnosticString = "alignment must be 64, 128 or omitted";
1179 def addrmode6align64or128 : AddrMode6Align {
1180 // The alignment specifier can only be 64, 128 or omitted.
1181 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1184 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1185 // encoding for VLD/VST instructions and checking the alignment value.
1186 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1187 let Name = "AlignedMemory64or128or256";
1188 let DiagnosticString = "alignment must be 64, 128, 256 or omitted";
1190 def addrmode6align64or128or256 : AddrMode6Align {
1191 // The alignment specifier can only be 64, 128, 256 or omitted.
1192 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1195 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1196 // instructions, specifically VLD4-dup.
1197 def addrmode6dup : MemOperand,
1198 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1199 let PrintMethod = "printAddrMode6Operand";
1200 let MIOperandInfo = (ops GPR:$addr, i32imm);
1201 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1202 // FIXME: This is close, but not quite right. The alignment specifier is
1204 let ParserMatchClass = AddrMode6AsmOperand;
1207 // Base class for addrmode6dup with specific alignment restrictions.
1208 class AddrMode6DupAlign : MemOperand,
1209 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1210 let PrintMethod = "printAddrMode6Operand";
1211 let MIOperandInfo = (ops GPR:$addr, i32imm);
1212 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1215 // Special version of addrmode6 to handle no allowed alignment encoding for
1216 // VLD-dup instruction and checking the alignment is not specified.
1217 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1218 let Name = "DupAlignedMemoryNone";
1219 let DiagnosticString = "alignment must be omitted";
1221 def addrmode6dupalignNone : AddrMode6DupAlign {
1222 // The alignment specifier can only be omitted.
1223 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1226 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1227 // instruction and checking the alignment value.
1228 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1229 let Name = "DupAlignedMemory16";
1230 let DiagnosticString = "alignment must be 16 or omitted";
1232 def addrmode6dupalign16 : AddrMode6DupAlign {
1233 // The alignment specifier can only be 16 or omitted.
1234 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1237 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1238 // instruction and checking the alignment value.
1239 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1240 let Name = "DupAlignedMemory32";
1241 let DiagnosticString = "alignment must be 32 or omitted";
1243 def addrmode6dupalign32 : AddrMode6DupAlign {
1244 // The alignment specifier can only be 32 or omitted.
1245 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1248 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1249 // instructions and checking the alignment value.
1250 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1251 let Name = "DupAlignedMemory64";
1252 let DiagnosticString = "alignment must be 64 or omitted";
1254 def addrmode6dupalign64 : AddrMode6DupAlign {
1255 // The alignment specifier can only be 64 or omitted.
1256 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1259 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1260 // for VLD instructions and checking the alignment value.
1261 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1262 let Name = "DupAlignedMemory64or128";
1263 let DiagnosticString = "alignment must be 64, 128 or omitted";
1265 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1266 // The alignment specifier can only be 64, 128 or omitted.
1267 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1270 // addrmodepc := pc + reg
1272 def addrmodepc : MemOperand,
1273 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1274 let PrintMethod = "printAddrModePCOperand";
1275 let MIOperandInfo = (ops GPR, i32imm);
1278 // addr_offset_none := reg
1280 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1281 def addr_offset_none : MemOperand,
1282 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1283 let PrintMethod = "printAddrMode7Operand";
1284 let DecoderMethod = "DecodeAddrMode7Operand";
1285 let ParserMatchClass = MemNoOffsetAsmOperand;
1286 let MIOperandInfo = (ops GPR:$base);
1289 def nohash_imm : Operand<i32> {
1290 let PrintMethod = "printNoHashImmediate";
1293 def CoprocNumAsmOperand : AsmOperandClass {
1294 let Name = "CoprocNum";
1295 let ParserMethod = "parseCoprocNumOperand";
1297 def p_imm : Operand<i32> {
1298 let PrintMethod = "printPImmediate";
1299 let ParserMatchClass = CoprocNumAsmOperand;
1300 let DecoderMethod = "DecodeCoprocessor";
1303 def CoprocRegAsmOperand : AsmOperandClass {
1304 let Name = "CoprocReg";
1305 let ParserMethod = "parseCoprocRegOperand";
1307 def c_imm : Operand<i32> {
1308 let PrintMethod = "printCImmediate";
1309 let ParserMatchClass = CoprocRegAsmOperand;
1311 def CoprocOptionAsmOperand : AsmOperandClass {
1312 let Name = "CoprocOption";
1313 let ParserMethod = "parseCoprocOptionOperand";
1315 def coproc_option_imm : Operand<i32> {
1316 let PrintMethod = "printCoprocOptionImm";
1317 let ParserMatchClass = CoprocOptionAsmOperand;
1320 //===----------------------------------------------------------------------===//
1322 include "ARMInstrFormats.td"
1324 //===----------------------------------------------------------------------===//
1325 // Multiclass helpers...
1328 /// AsI1_bin_irs - Defines a set of (op r, {mod_imm|r|so_reg}) patterns for a
1329 /// binop that produces a value.
1330 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1331 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1332 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1333 SDPatternOperator opnode, bit Commutable = 0> {
1334 // The register-immediate version is re-materializable. This is useful
1335 // in particular for taking the address of a local.
1336 let isReMaterializable = 1 in {
1337 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1338 iii, opc, "\t$Rd, $Rn, $imm",
1339 [(set GPR:$Rd, (opnode GPR:$Rn, mod_imm:$imm))]>,
1340 Sched<[WriteALU, ReadALU]> {
1345 let Inst{19-16} = Rn;
1346 let Inst{15-12} = Rd;
1347 let Inst{11-0} = imm;
1350 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1351 iir, opc, "\t$Rd, $Rn, $Rm",
1352 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1353 Sched<[WriteALU, ReadALU, ReadALU]> {
1358 let isCommutable = Commutable;
1359 let Inst{19-16} = Rn;
1360 let Inst{15-12} = Rd;
1361 let Inst{11-4} = 0b00000000;
1365 def rsi : AsI1<opcod, (outs GPR:$Rd),
1366 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1367 iis, opc, "\t$Rd, $Rn, $shift",
1368 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1369 Sched<[WriteALUsi, ReadALU]> {
1374 let Inst{19-16} = Rn;
1375 let Inst{15-12} = Rd;
1376 let Inst{11-5} = shift{11-5};
1378 let Inst{3-0} = shift{3-0};
1381 def rsr : AsI1<opcod, (outs GPR:$Rd),
1382 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1383 iis, opc, "\t$Rd, $Rn, $shift",
1384 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1385 Sched<[WriteALUsr, ReadALUsr]> {
1390 let Inst{19-16} = Rn;
1391 let Inst{15-12} = Rd;
1392 let Inst{11-8} = shift{11-8};
1394 let Inst{6-5} = shift{6-5};
1396 let Inst{3-0} = shift{3-0};
1400 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1401 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1402 /// it is equivalent to the AsI1_bin_irs counterpart.
1403 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1404 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1405 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1406 SDNode opnode, bit Commutable = 0> {
1407 // The register-immediate version is re-materializable. This is useful
1408 // in particular for taking the address of a local.
1409 let isReMaterializable = 1 in {
1410 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1411 iii, opc, "\t$Rd, $Rn, $imm",
1412 [(set GPR:$Rd, (opnode mod_imm:$imm, GPR:$Rn))]>,
1413 Sched<[WriteALU, ReadALU]> {
1418 let Inst{19-16} = Rn;
1419 let Inst{15-12} = Rd;
1420 let Inst{11-0} = imm;
1423 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1424 iir, opc, "\t$Rd, $Rn, $Rm",
1425 [/* pattern left blank */]>,
1426 Sched<[WriteALU, ReadALU, ReadALU]> {
1430 let Inst{11-4} = 0b00000000;
1433 let Inst{15-12} = Rd;
1434 let Inst{19-16} = Rn;
1437 def rsi : AsI1<opcod, (outs GPR:$Rd),
1438 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1439 iis, opc, "\t$Rd, $Rn, $shift",
1440 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1441 Sched<[WriteALUsi, ReadALU]> {
1446 let Inst{19-16} = Rn;
1447 let Inst{15-12} = Rd;
1448 let Inst{11-5} = shift{11-5};
1450 let Inst{3-0} = shift{3-0};
1453 def rsr : AsI1<opcod, (outs GPR:$Rd),
1454 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1455 iis, opc, "\t$Rd, $Rn, $shift",
1456 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1457 Sched<[WriteALUsr, ReadALUsr]> {
1462 let Inst{19-16} = Rn;
1463 let Inst{15-12} = Rd;
1464 let Inst{11-8} = shift{11-8};
1466 let Inst{6-5} = shift{6-5};
1468 let Inst{3-0} = shift{3-0};
1472 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1474 /// These opcodes will be converted to the real non-S opcodes by
1475 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1476 let hasPostISelHook = 1, Defs = [CPSR] in {
1477 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1478 InstrItinClass iis, SDNode opnode,
1479 bit Commutable = 0> {
1480 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1482 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm))]>,
1483 Sched<[WriteALU, ReadALU]>;
1485 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1487 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1488 Sched<[WriteALU, ReadALU, ReadALU]> {
1489 let isCommutable = Commutable;
1491 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1492 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1494 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1495 so_reg_imm:$shift))]>,
1496 Sched<[WriteALUsi, ReadALU]>;
1498 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1499 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1501 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1502 so_reg_reg:$shift))]>,
1503 Sched<[WriteALUSsr, ReadALUsr]>;
1507 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1508 /// operands are reversed.
1509 let hasPostISelHook = 1, Defs = [CPSR] in {
1510 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1511 InstrItinClass iis, SDNode opnode,
1512 bit Commutable = 0> {
1513 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1515 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn))]>,
1516 Sched<[WriteALU, ReadALU]>;
1518 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1519 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1521 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1523 Sched<[WriteALUsi, ReadALU]>;
1525 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1526 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1528 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1530 Sched<[WriteALUSsr, ReadALUsr]>;
1534 /// AI1_cmp_irs - Defines a set of (op r, {mod_imm|r|so_reg}) cmp / test
1535 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1536 /// a explicit result, only implicitly set CPSR.
1537 let isCompare = 1, Defs = [CPSR] in {
1538 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1539 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1540 SDPatternOperator opnode, bit Commutable = 0,
1541 string rrDecoderMethod = ""> {
1542 def ri : AI1<opcod, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, iii,
1544 [(opnode GPR:$Rn, mod_imm:$imm)]>,
1545 Sched<[WriteCMP, ReadALU]> {
1550 let Inst{19-16} = Rn;
1551 let Inst{15-12} = 0b0000;
1552 let Inst{11-0} = imm;
1554 let Unpredictable{15-12} = 0b1111;
1556 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1558 [(opnode GPR:$Rn, GPR:$Rm)]>,
1559 Sched<[WriteCMP, ReadALU, ReadALU]> {
1562 let isCommutable = Commutable;
1565 let Inst{19-16} = Rn;
1566 let Inst{15-12} = 0b0000;
1567 let Inst{11-4} = 0b00000000;
1569 let DecoderMethod = rrDecoderMethod;
1571 let Unpredictable{15-12} = 0b1111;
1573 def rsi : AI1<opcod, (outs),
1574 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1575 opc, "\t$Rn, $shift",
1576 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1577 Sched<[WriteCMPsi, ReadALU]> {
1582 let Inst{19-16} = Rn;
1583 let Inst{15-12} = 0b0000;
1584 let Inst{11-5} = shift{11-5};
1586 let Inst{3-0} = shift{3-0};
1588 let Unpredictable{15-12} = 0b1111;
1590 def rsr : AI1<opcod, (outs),
1591 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1592 opc, "\t$Rn, $shift",
1593 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1594 Sched<[WriteCMPsr, ReadALU]> {
1599 let Inst{19-16} = Rn;
1600 let Inst{15-12} = 0b0000;
1601 let Inst{11-8} = shift{11-8};
1603 let Inst{6-5} = shift{6-5};
1605 let Inst{3-0} = shift{3-0};
1607 let Unpredictable{15-12} = 0b1111;
1613 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1614 /// register and one whose operand is a register rotated by 8/16/24.
1615 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1616 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1617 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1618 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1619 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1620 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1624 let Inst{19-16} = 0b1111;
1625 let Inst{15-12} = Rd;
1626 let Inst{11-10} = rot;
1630 class AI_ext_rrot_np<bits<8> opcod, string opc>
1631 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1632 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1633 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1635 let Inst{19-16} = 0b1111;
1636 let Inst{11-10} = rot;
1639 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1640 /// register and one whose operand is a register rotated by 8/16/24.
1641 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1642 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1643 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1644 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1645 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1646 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1651 let Inst{19-16} = Rn;
1652 let Inst{15-12} = Rd;
1653 let Inst{11-10} = rot;
1654 let Inst{9-4} = 0b000111;
1658 class AI_exta_rrot_np<bits<8> opcod, string opc>
1659 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1660 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1661 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1664 let Inst{19-16} = Rn;
1665 let Inst{11-10} = rot;
1668 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1669 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1670 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, SDNode opnode,
1671 bit Commutable = 0> {
1672 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1673 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1674 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1675 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm, CPSR))]>,
1677 Sched<[WriteALU, ReadALU]> {
1682 let Inst{15-12} = Rd;
1683 let Inst{19-16} = Rn;
1684 let Inst{11-0} = imm;
1686 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1687 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1688 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1690 Sched<[WriteALU, ReadALU, ReadALU]> {
1694 let Inst{11-4} = 0b00000000;
1696 let isCommutable = Commutable;
1698 let Inst{15-12} = Rd;
1699 let Inst{19-16} = Rn;
1701 def rsi : AsI1<opcod, (outs GPR:$Rd),
1702 (ins GPR:$Rn, so_reg_imm:$shift),
1703 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1704 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1706 Sched<[WriteALUsi, ReadALU]> {
1711 let Inst{19-16} = Rn;
1712 let Inst{15-12} = Rd;
1713 let Inst{11-5} = shift{11-5};
1715 let Inst{3-0} = shift{3-0};
1717 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1718 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1719 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1720 [(set GPRnopc:$Rd, CPSR,
1721 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1723 Sched<[WriteALUsr, ReadALUsr]> {
1728 let Inst{19-16} = Rn;
1729 let Inst{15-12} = Rd;
1730 let Inst{11-8} = shift{11-8};
1732 let Inst{6-5} = shift{6-5};
1734 let Inst{3-0} = shift{3-0};
1739 /// AI1_rsc_irs - Define instructions and patterns for rsc
1740 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1741 multiclass AI1_rsc_irs<bits<4> opcod, string opc, SDNode opnode> {
1742 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1743 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1744 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1745 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn, CPSR))]>,
1747 Sched<[WriteALU, ReadALU]> {
1752 let Inst{15-12} = Rd;
1753 let Inst{19-16} = Rn;
1754 let Inst{11-0} = imm;
1756 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1757 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1758 [/* pattern left blank */]>,
1759 Sched<[WriteALU, ReadALU, ReadALU]> {
1763 let Inst{11-4} = 0b00000000;
1766 let Inst{15-12} = Rd;
1767 let Inst{19-16} = Rn;
1769 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1770 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1771 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1773 Sched<[WriteALUsi, ReadALU]> {
1778 let Inst{19-16} = Rn;
1779 let Inst{15-12} = Rd;
1780 let Inst{11-5} = shift{11-5};
1782 let Inst{3-0} = shift{3-0};
1784 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1785 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1786 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1788 Sched<[WriteALUsr, ReadALUsr]> {
1793 let Inst{19-16} = Rn;
1794 let Inst{15-12} = Rd;
1795 let Inst{11-8} = shift{11-8};
1797 let Inst{6-5} = shift{6-5};
1799 let Inst{3-0} = shift{3-0};
1804 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1805 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1806 InstrItinClass iir, PatFrag opnode> {
1807 // Note: We use the complex addrmode_imm12 rather than just an input
1808 // GPR and a constrained immediate so that we can use this to match
1809 // frame index references and avoid matching constant pool references.
1810 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1811 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1812 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1815 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1816 let Inst{19-16} = addr{16-13}; // Rn
1817 let Inst{15-12} = Rt;
1818 let Inst{11-0} = addr{11-0}; // imm12
1820 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1821 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1822 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1825 let shift{4} = 0; // Inst{4} = 0
1826 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1827 let Inst{19-16} = shift{16-13}; // Rn
1828 let Inst{15-12} = Rt;
1829 let Inst{11-0} = shift{11-0};
1834 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1835 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1836 InstrItinClass iir, PatFrag opnode> {
1837 // Note: We use the complex addrmode_imm12 rather than just an input
1838 // GPR and a constrained immediate so that we can use this to match
1839 // frame index references and avoid matching constant pool references.
1840 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1841 (ins addrmode_imm12:$addr),
1842 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1843 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1846 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1847 let Inst{19-16} = addr{16-13}; // Rn
1848 let Inst{15-12} = Rt;
1849 let Inst{11-0} = addr{11-0}; // imm12
1851 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1852 (ins ldst_so_reg:$shift),
1853 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1854 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1857 let shift{4} = 0; // Inst{4} = 0
1858 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1859 let Inst{19-16} = shift{16-13}; // Rn
1860 let Inst{15-12} = Rt;
1861 let Inst{11-0} = shift{11-0};
1867 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1868 InstrItinClass iir, PatFrag opnode> {
1869 // Note: We use the complex addrmode_imm12 rather than just an input
1870 // GPR and a constrained immediate so that we can use this to match
1871 // frame index references and avoid matching constant pool references.
1872 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1873 (ins GPR:$Rt, addrmode_imm12:$addr),
1874 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1875 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1878 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1879 let Inst{19-16} = addr{16-13}; // Rn
1880 let Inst{15-12} = Rt;
1881 let Inst{11-0} = addr{11-0}; // imm12
1883 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1884 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1885 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1888 let shift{4} = 0; // Inst{4} = 0
1889 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1890 let Inst{19-16} = shift{16-13}; // Rn
1891 let Inst{15-12} = Rt;
1892 let Inst{11-0} = shift{11-0};
1896 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1897 InstrItinClass iir, PatFrag opnode> {
1898 // Note: We use the complex addrmode_imm12 rather than just an input
1899 // GPR and a constrained immediate so that we can use this to match
1900 // frame index references and avoid matching constant pool references.
1901 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1902 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1903 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1904 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1907 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1908 let Inst{19-16} = addr{16-13}; // Rn
1909 let Inst{15-12} = Rt;
1910 let Inst{11-0} = addr{11-0}; // imm12
1912 def rs : AI2ldst<0b011, 0, isByte, (outs),
1913 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1914 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1915 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1918 let shift{4} = 0; // Inst{4} = 0
1919 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1920 let Inst{19-16} = shift{16-13}; // Rn
1921 let Inst{15-12} = Rt;
1922 let Inst{11-0} = shift{11-0};
1927 //===----------------------------------------------------------------------===//
1929 //===----------------------------------------------------------------------===//
1931 //===----------------------------------------------------------------------===//
1932 // Miscellaneous Instructions.
1935 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1936 /// the function. The first operand is the ID# for this instruction, the second
1937 /// is the index into the MachineConstantPool that this is, the third is the
1938 /// size in bytes of this constant pool entry.
1939 let hasSideEffects = 0, isNotDuplicable = 1 in
1940 def CONSTPOOL_ENTRY :
1941 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1942 i32imm:$size), NoItinerary, []>;
1944 /// A jumptable consisting of direct 32-bit addresses of the destination basic
1945 /// blocks (either absolute, or relative to the start of the jump-table in PIC
1946 /// mode). Used mostly in ARM and Thumb-1 modes.
1947 def JUMPTABLE_ADDRS :
1948 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1949 i32imm:$size), NoItinerary, []>;
1951 /// A jumptable consisting of 32-bit jump instructions. Used for Thumb-2 tables
1952 /// that cannot be optimised to use TBB or TBH.
1953 def JUMPTABLE_INSTS :
1954 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1955 i32imm:$size), NoItinerary, []>;
1957 /// A jumptable consisting of 8-bit unsigned integers representing offsets from
1958 /// a TBB instruction.
1960 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1961 i32imm:$size), NoItinerary, []>;
1963 /// A jumptable consisting of 16-bit unsigned integers representing offsets from
1964 /// a TBH instruction.
1966 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1967 i32imm:$size), NoItinerary, []>;
1970 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1971 // from removing one half of the matched pairs. That breaks PEI, which assumes
1972 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1973 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1974 def ADJCALLSTACKUP :
1975 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1976 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1978 def ADJCALLSTACKDOWN :
1979 PseudoInst<(outs), (ins i32imm:$amt, i32imm:$amt2, pred:$p), NoItinerary,
1980 [(ARMcallseq_start timm:$amt, timm:$amt2)]>;
1983 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1984 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
1985 Requires<[IsARM, HasV6]> {
1987 let Inst{27-8} = 0b00110010000011110000;
1988 let Inst{7-0} = imm;
1989 let DecoderMethod = "DecodeHINTInstruction";
1992 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6K]>;
1993 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6K]>;
1994 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6K]>;
1995 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6K]>;
1996 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6K]>;
1997 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1998 def : InstAlias<"esb$p", (HINT 16, pred:$p)>, Requires<[IsARM, HasRAS]>;
2000 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
2002 [(set GPR:$Rd, (int_arm_sel GPR:$Rn, GPR:$Rm))]>,
2003 Requires<[IsARM, HasV6]> {
2008 let Inst{15-12} = Rd;
2009 let Inst{19-16} = Rn;
2010 let Inst{27-20} = 0b01101000;
2011 let Inst{7-4} = 0b1011;
2012 let Inst{11-8} = 0b1111;
2013 let Unpredictable{11-8} = 0b1111;
2016 // The 16-bit operand $val can be used by a debugger to store more information
2017 // about the breakpoint.
2018 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2019 "bkpt", "\t$val", []>, Requires<[IsARM]> {
2021 let Inst{3-0} = val{3-0};
2022 let Inst{19-8} = val{15-4};
2023 let Inst{27-20} = 0b00010010;
2024 let Inst{31-28} = 0xe; // AL
2025 let Inst{7-4} = 0b0111;
2027 // default immediate for breakpoint mnemonic
2028 def : InstAlias<"bkpt", (BKPT 0), 0>, Requires<[IsARM]>;
2030 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2031 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
2033 let Inst{3-0} = val{3-0};
2034 let Inst{19-8} = val{15-4};
2035 let Inst{27-20} = 0b00010000;
2036 let Inst{31-28} = 0xe; // AL
2037 let Inst{7-4} = 0b0111;
2040 // Change Processor State
2041 // FIXME: We should use InstAlias to handle the optional operands.
2042 class CPS<dag iops, string asm_ops>
2043 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
2044 []>, Requires<[IsARM]> {
2050 let Inst{31-28} = 0b1111;
2051 let Inst{27-20} = 0b00010000;
2052 let Inst{19-18} = imod;
2053 let Inst{17} = M; // Enabled if mode is set;
2054 let Inst{16-9} = 0b00000000;
2055 let Inst{8-6} = iflags;
2057 let Inst{4-0} = mode;
2060 let DecoderMethod = "DecodeCPSInstruction" in {
2062 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
2063 "$imod\t$iflags, $mode">;
2064 let mode = 0, M = 0 in
2065 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
2067 let imod = 0, iflags = 0, M = 1 in
2068 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
2071 // Preload signals the memory system of possible future data/instruction access.
2072 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
2074 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
2075 IIC_Preload, !strconcat(opc, "\t$addr"),
2076 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
2077 Sched<[WritePreLd]> {
2080 let Inst{31-26} = 0b111101;
2081 let Inst{25} = 0; // 0 for immediate form
2082 let Inst{24} = data;
2083 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2084 let Inst{22} = read;
2085 let Inst{21-20} = 0b01;
2086 let Inst{19-16} = addr{16-13}; // Rn
2087 let Inst{15-12} = 0b1111;
2088 let Inst{11-0} = addr{11-0}; // imm12
2091 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
2092 !strconcat(opc, "\t$shift"),
2093 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
2094 Sched<[WritePreLd]> {
2096 let Inst{31-26} = 0b111101;
2097 let Inst{25} = 1; // 1 for register form
2098 let Inst{24} = data;
2099 let Inst{23} = shift{12}; // U (add = ('U' == 1))
2100 let Inst{22} = read;
2101 let Inst{21-20} = 0b01;
2102 let Inst{19-16} = shift{16-13}; // Rn
2103 let Inst{15-12} = 0b1111;
2104 let Inst{11-0} = shift{11-0};
2109 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
2110 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
2111 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
2113 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
2114 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
2116 let Inst{31-10} = 0b1111000100000001000000;
2121 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
2122 [(int_arm_dbg imm0_15:$opt)]>, Requires<[IsARM, HasV7]> {
2124 let Inst{27-4} = 0b001100100000111100001111;
2125 let Inst{3-0} = opt;
2128 // A8.8.247 UDF - Undefined (Encoding A1)
2129 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
2130 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
2132 let Inst{31-28} = 0b1110; // AL
2133 let Inst{27-25} = 0b011;
2134 let Inst{24-20} = 0b11111;
2135 let Inst{19-8} = imm16{15-4};
2136 let Inst{7-4} = 0b1111;
2137 let Inst{3-0} = imm16{3-0};
2141 * A5.4 Permanently UNDEFINED instructions.
2143 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
2144 * Other UDF encodings generate SIGILL.
2146 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
2148 * 1110 0111 1111 iiii iiii iiii 1111 iiii
2150 * 1101 1110 iiii iiii
2151 * It uses the following encoding:
2152 * 1110 0111 1111 1110 1101 1110 1111 0000
2153 * - In ARM: UDF #60896;
2154 * - In Thumb: UDF #254 followed by a branch-to-self.
2156 let isBarrier = 1, isTerminator = 1 in
2157 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2159 Requires<[IsARM,UseNaClTrap]> {
2160 let Inst = 0xe7fedef0;
2162 let isBarrier = 1, isTerminator = 1 in
2163 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2165 Requires<[IsARM,DontUseNaClTrap]> {
2166 let Inst = 0xe7ffdefe;
2169 // Address computation and loads and stores in PIC mode.
2170 let isNotDuplicable = 1 in {
2171 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2173 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2174 Sched<[WriteALU, ReadALU]>;
2176 let AddedComplexity = 10 in {
2177 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2179 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2181 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2183 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2185 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2187 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2189 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2191 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2193 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2195 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2197 let AddedComplexity = 10 in {
2198 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2199 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2201 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2202 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2203 addrmodepc:$addr)]>;
2205 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2206 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2208 } // isNotDuplicable = 1
2211 // LEApcrel - Load a pc-relative address into a register without offending the
2213 let hasSideEffects = 0, isReMaterializable = 1 in
2214 // The 'adr' mnemonic encodes differently if the label is before or after
2215 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2216 // know until then which form of the instruction will be used.
2217 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2218 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2219 Sched<[WriteALU, ReadALU]> {
2222 let Inst{27-25} = 0b001;
2224 let Inst{23-22} = label{13-12};
2227 let Inst{19-16} = 0b1111;
2228 let Inst{15-12} = Rd;
2229 let Inst{11-0} = label{11-0};
2232 let hasSideEffects = 1 in {
2233 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2234 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2236 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2237 (ins i32imm:$label, pred:$p),
2238 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2241 //===----------------------------------------------------------------------===//
2242 // Control Flow Instructions.
2245 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2247 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2248 "bx", "\tlr", [(ARMretflag)]>,
2249 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2250 let Inst{27-0} = 0b0001001011111111111100011110;
2254 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2255 "mov", "\tpc, lr", [(ARMretflag)]>,
2256 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2257 let Inst{27-0} = 0b0001101000001111000000001110;
2260 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2261 // the user-space one).
2262 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2264 [(ARMintretflag imm:$offset)]>;
2267 // Indirect branches
2268 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2270 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2271 [(brind GPR:$dst)]>,
2272 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2274 let Inst{31-4} = 0b1110000100101111111111110001;
2275 let Inst{3-0} = dst;
2278 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2279 "bx", "\t$dst", [/* pattern left blank */]>,
2280 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2282 let Inst{27-4} = 0b000100101111111111110001;
2283 let Inst{3-0} = dst;
2287 // SP is marked as a use to prevent stack-pointer assignments that appear
2288 // immediately before calls from potentially appearing dead.
2290 // FIXME: Do we really need a non-predicated version? If so, it should
2291 // at least be a pseudo instruction expanding to the predicated version
2292 // at MC lowering time.
2293 Defs = [LR], Uses = [SP] in {
2294 def BL : ABXI<0b1011, (outs), (ins arm_bl_target:$func),
2295 IIC_Br, "bl\t$func",
2296 [(ARMcall tglobaladdr:$func)]>,
2297 Requires<[IsARM]>, Sched<[WriteBrL]> {
2298 let Inst{31-28} = 0b1110;
2300 let Inst{23-0} = func;
2301 let DecoderMethod = "DecodeBranchImmInstruction";
2304 def BL_pred : ABI<0b1011, (outs), (ins arm_bl_target:$func),
2305 IIC_Br, "bl", "\t$func",
2306 [(ARMcall_pred tglobaladdr:$func)]>,
2307 Requires<[IsARM]>, Sched<[WriteBrL]> {
2309 let Inst{23-0} = func;
2310 let DecoderMethod = "DecodeBranchImmInstruction";
2314 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2315 IIC_Br, "blx\t$func",
2316 [(ARMcall GPR:$func)]>,
2317 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2319 let Inst{31-4} = 0b1110000100101111111111110011;
2320 let Inst{3-0} = func;
2323 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2324 IIC_Br, "blx", "\t$func",
2325 [(ARMcall_pred GPR:$func)]>,
2326 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2328 let Inst{27-4} = 0b000100101111111111110011;
2329 let Inst{3-0} = func;
2333 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2334 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2335 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2336 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2339 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2340 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2341 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2343 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2344 // return stack predictor.
2345 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins arm_bl_target:$func),
2346 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2347 Requires<[IsARM]>, Sched<[WriteBr]>;
2350 let isBranch = 1, isTerminator = 1 in {
2351 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2352 // a two-value operand where a dag node expects two operands. :(
2353 def Bcc : ABI<0b1010, (outs), (ins arm_br_target:$target),
2354 IIC_Br, "b", "\t$target",
2355 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2358 let Inst{23-0} = target;
2359 let DecoderMethod = "DecodeBranchImmInstruction";
2362 let isBarrier = 1 in {
2363 // B is "predicable" since it's just a Bcc with an 'always' condition.
2364 let isPredicable = 1 in
2365 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2366 // should be sufficient.
2367 // FIXME: Is B really a Barrier? That doesn't seem right.
2368 def B : ARMPseudoExpand<(outs), (ins arm_br_target:$target), 4, IIC_Br,
2369 [(br bb:$target)], (Bcc arm_br_target:$target,
2370 (ops 14, zero_reg))>,
2373 let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
2374 def BR_JTr : ARMPseudoInst<(outs),
2375 (ins GPR:$target, i32imm:$jt),
2377 [(ARMbrjt GPR:$target, tjumptable:$jt)]>,
2379 def BR_JTm_i12 : ARMPseudoInst<(outs),
2380 (ins addrmode_imm12:$target, i32imm:$jt),
2382 [(ARMbrjt (i32 (load addrmode_imm12:$target)),
2383 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2384 def BR_JTm_rs : ARMPseudoInst<(outs),
2385 (ins ldst_so_reg:$target, i32imm:$jt),
2387 [(ARMbrjt (i32 (load ldst_so_reg:$target)),
2388 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2389 def BR_JTadd : ARMPseudoInst<(outs),
2390 (ins GPR:$target, GPR:$idx, i32imm:$jt),
2392 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt)]>,
2393 Sched<[WriteBrTbl]>;
2394 } // isNotDuplicable = 1, isIndirectBranch = 1
2400 def BLXi : AXI<(outs), (ins arm_blx_target:$target), BrMiscFrm, NoItinerary,
2401 "blx\t$target", []>,
2402 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2403 let Inst{31-25} = 0b1111101;
2405 let Inst{23-0} = target{24-1};
2406 let Inst{24} = target{0};
2410 // Branch and Exchange Jazelle
2411 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2412 [/* pattern left blank */]>, Sched<[WriteBr]> {
2414 let Inst{23-20} = 0b0010;
2415 let Inst{19-8} = 0xfff;
2416 let Inst{7-4} = 0b0010;
2417 let Inst{3-0} = func;
2423 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2424 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2427 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2430 def TAILJMPd : ARMPseudoExpand<(outs), (ins arm_br_target:$dst),
2432 (Bcc arm_br_target:$dst, (ops 14, zero_reg))>,
2433 Requires<[IsARM]>, Sched<[WriteBr]>;
2435 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2437 (BX GPR:$dst)>, Sched<[WriteBr]>,
2438 Requires<[IsARM, HasV4T]>;
2441 // Secure Monitor Call is a system instruction.
2442 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2443 []>, Requires<[IsARM, HasTrustZone]> {
2445 let Inst{23-4} = 0b01100000000000000111;
2446 let Inst{3-0} = opt;
2448 def : MnemonicAlias<"smi", "smc">;
2450 // Supervisor Call (Software Interrupt)
2451 let isCall = 1, Uses = [SP] in {
2452 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2455 let Inst{23-0} = svc;
2459 // Store Return State
2460 class SRSI<bit wb, string asm>
2461 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2462 NoItinerary, asm, "", []> {
2464 let Inst{31-28} = 0b1111;
2465 let Inst{27-25} = 0b100;
2469 let Inst{19-16} = 0b1101; // SP
2470 let Inst{15-5} = 0b00000101000;
2471 let Inst{4-0} = mode;
2474 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2475 let Inst{24-23} = 0;
2477 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2478 let Inst{24-23} = 0;
2480 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2481 let Inst{24-23} = 0b10;
2483 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2484 let Inst{24-23} = 0b10;
2486 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2487 let Inst{24-23} = 0b01;
2489 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2490 let Inst{24-23} = 0b01;
2492 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2493 let Inst{24-23} = 0b11;
2495 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2496 let Inst{24-23} = 0b11;
2499 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2500 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2502 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2503 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2505 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2506 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2508 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2509 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2511 // Return From Exception
2512 class RFEI<bit wb, string asm>
2513 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2514 NoItinerary, asm, "", []> {
2516 let Inst{31-28} = 0b1111;
2517 let Inst{27-25} = 0b100;
2521 let Inst{19-16} = Rn;
2522 let Inst{15-0} = 0xa00;
2525 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2526 let Inst{24-23} = 0;
2528 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2529 let Inst{24-23} = 0;
2531 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2532 let Inst{24-23} = 0b10;
2534 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2535 let Inst{24-23} = 0b10;
2537 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2538 let Inst{24-23} = 0b01;
2540 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2541 let Inst{24-23} = 0b01;
2543 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2544 let Inst{24-23} = 0b11;
2546 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2547 let Inst{24-23} = 0b11;
2550 // Hypervisor Call is a system instruction
2552 def HVC : AInoP< (outs), (ins imm0_65535:$imm), BrFrm, NoItinerary,
2553 "hvc", "\t$imm", []>,
2554 Requires<[IsARM, HasVirtualization]> {
2557 // Even though HVC isn't predicable, it's encoding includes a condition field.
2558 // The instruction is undefined if the condition field is 0xf otherwise it is
2559 // unpredictable if it isn't condition AL (0xe).
2560 let Inst{31-28} = 0b1110;
2561 let Unpredictable{31-28} = 0b1111;
2562 let Inst{27-24} = 0b0001;
2563 let Inst{23-20} = 0b0100;
2564 let Inst{19-8} = imm{15-4};
2565 let Inst{7-4} = 0b0111;
2566 let Inst{3-0} = imm{3-0};
2570 // Return from exception in Hypervisor mode.
2571 let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
2572 def ERET : ABI<0b0001, (outs), (ins), NoItinerary, "eret", "", []>,
2573 Requires<[IsARM, HasVirtualization]> {
2574 let Inst{23-0} = 0b011000000000000001101110;
2577 //===----------------------------------------------------------------------===//
2578 // Load / Store Instructions.
2584 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si, load>;
2585 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2587 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si, store>;
2588 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2591 // Special LDR for loads from non-pc-relative constpools.
2592 let canFoldAsLoad = 1, mayLoad = 1, hasSideEffects = 0,
2593 isReMaterializable = 1, isCodeGenOnly = 1 in
2594 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2595 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2599 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2600 let Inst{19-16} = 0b1111;
2601 let Inst{15-12} = Rt;
2602 let Inst{11-0} = addr{11-0}; // imm12
2605 // Loads with zero extension
2606 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2607 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2608 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2610 // Loads with sign extension
2611 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2612 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2613 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2615 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2616 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2617 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2619 let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
2621 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2622 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2623 Requires<[IsARM, HasV5TE]>;
2626 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2627 NoItinerary, "lda", "\t$Rt, $addr", []>;
2628 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2629 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2630 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2631 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2634 multiclass AI2_ldridx<bit isByte, string opc,
2635 InstrItinClass iii, InstrItinClass iir> {
2636 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2637 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2638 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2641 let Inst{23} = addr{12};
2642 let Inst{19-16} = addr{16-13};
2643 let Inst{11-0} = addr{11-0};
2644 let DecoderMethod = "DecodeLDRPreImm";
2647 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2648 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2649 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2652 let Inst{23} = addr{12};
2653 let Inst{19-16} = addr{16-13};
2654 let Inst{11-0} = addr{11-0};
2656 let DecoderMethod = "DecodeLDRPreReg";
2659 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2660 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2661 IndexModePost, LdFrm, iir,
2662 opc, "\t$Rt, $addr, $offset",
2663 "$addr.base = $Rn_wb", []> {
2669 let Inst{23} = offset{12};
2670 let Inst{19-16} = addr;
2671 let Inst{11-0} = offset{11-0};
2674 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2677 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2678 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2679 IndexModePost, LdFrm, iii,
2680 opc, "\t$Rt, $addr, $offset",
2681 "$addr.base = $Rn_wb", []> {
2687 let Inst{23} = offset{12};
2688 let Inst{19-16} = addr;
2689 let Inst{11-0} = offset{11-0};
2691 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2696 let mayLoad = 1, hasSideEffects = 0 in {
2697 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2698 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2699 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2700 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2703 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2704 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2705 (ins addrmode3_pre:$addr), IndexModePre,
2707 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2709 let Inst{23} = addr{8}; // U bit
2710 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2711 let Inst{19-16} = addr{12-9}; // Rn
2712 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2713 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2714 let DecoderMethod = "DecodeAddrMode3Instruction";
2716 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2717 (ins addr_offset_none:$addr, am3offset:$offset),
2718 IndexModePost, LdMiscFrm, itin,
2719 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2723 let Inst{23} = offset{8}; // U bit
2724 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2725 let Inst{19-16} = addr;
2726 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2727 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2728 let DecoderMethod = "DecodeAddrMode3Instruction";
2732 let mayLoad = 1, hasSideEffects = 0 in {
2733 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2734 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2735 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2736 let hasExtraDefRegAllocReq = 1 in {
2737 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2738 (ins addrmode3_pre:$addr), IndexModePre,
2739 LdMiscFrm, IIC_iLoad_d_ru,
2740 "ldrd", "\t$Rt, $Rt2, $addr!",
2741 "$addr.base = $Rn_wb", []> {
2743 let Inst{23} = addr{8}; // U bit
2744 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2745 let Inst{19-16} = addr{12-9}; // Rn
2746 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2747 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2748 let DecoderMethod = "DecodeAddrMode3Instruction";
2750 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2751 (ins addr_offset_none:$addr, am3offset:$offset),
2752 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2753 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2754 "$addr.base = $Rn_wb", []> {
2757 let Inst{23} = offset{8}; // U bit
2758 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2759 let Inst{19-16} = addr;
2760 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2761 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2762 let DecoderMethod = "DecodeAddrMode3Instruction";
2764 } // hasExtraDefRegAllocReq = 1
2765 } // mayLoad = 1, hasSideEffects = 0
2767 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2768 let mayLoad = 1, hasSideEffects = 0 in {
2769 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2770 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2771 IndexModePost, LdFrm, IIC_iLoad_ru,
2772 "ldrt", "\t$Rt, $addr, $offset",
2773 "$addr.base = $Rn_wb", []> {
2779 let Inst{23} = offset{12};
2780 let Inst{21} = 1; // overwrite
2781 let Inst{19-16} = addr;
2782 let Inst{11-5} = offset{11-5};
2784 let Inst{3-0} = offset{3-0};
2785 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2789 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2790 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2791 IndexModePost, LdFrm, IIC_iLoad_ru,
2792 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2798 let Inst{23} = offset{12};
2799 let Inst{21} = 1; // overwrite
2800 let Inst{19-16} = addr;
2801 let Inst{11-0} = offset{11-0};
2802 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2805 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2806 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2807 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2808 "ldrbt", "\t$Rt, $addr, $offset",
2809 "$addr.base = $Rn_wb", []> {
2815 let Inst{23} = offset{12};
2816 let Inst{21} = 1; // overwrite
2817 let Inst{19-16} = addr;
2818 let Inst{11-5} = offset{11-5};
2820 let Inst{3-0} = offset{3-0};
2821 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2825 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2826 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2827 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2828 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2834 let Inst{23} = offset{12};
2835 let Inst{21} = 1; // overwrite
2836 let Inst{19-16} = addr;
2837 let Inst{11-0} = offset{11-0};
2838 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2841 multiclass AI3ldrT<bits<4> op, string opc> {
2842 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2843 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2844 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2845 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2847 let Inst{23} = offset{8};
2849 let Inst{11-8} = offset{7-4};
2850 let Inst{3-0} = offset{3-0};
2852 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2853 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2854 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2855 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2857 let Inst{23} = Rm{4};
2860 let Unpredictable{11-8} = 0b1111;
2861 let Inst{3-0} = Rm{3-0};
2862 let DecoderMethod = "DecodeLDR";
2866 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2867 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2868 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2872 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2876 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2879 // Pseudo instruction ldr Rt, =immediate
2881 : ARMAsmPseudo<"ldr${q} $Rt, $immediate",
2882 (ins const_pool_asm_imm:$immediate, pred:$q),
2887 // Stores with truncate
2888 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2889 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2890 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2893 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2894 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2895 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2896 Requires<[IsARM, HasV5TE]> {
2902 multiclass AI2_stridx<bit isByte, string opc,
2903 InstrItinClass iii, InstrItinClass iir> {
2904 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2905 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2907 opc, "\t$Rt, $addr!",
2908 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2911 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2912 let Inst{19-16} = addr{16-13}; // Rn
2913 let Inst{11-0} = addr{11-0}; // imm12
2914 let DecoderMethod = "DecodeSTRPreImm";
2917 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2918 (ins GPR:$Rt, ldst_so_reg:$addr),
2919 IndexModePre, StFrm, iir,
2920 opc, "\t$Rt, $addr!",
2921 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2924 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2925 let Inst{19-16} = addr{16-13}; // Rn
2926 let Inst{11-0} = addr{11-0};
2927 let Inst{4} = 0; // Inst{4} = 0
2928 let DecoderMethod = "DecodeSTRPreReg";
2930 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2931 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2932 IndexModePost, StFrm, iir,
2933 opc, "\t$Rt, $addr, $offset",
2934 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2940 let Inst{23} = offset{12};
2941 let Inst{19-16} = addr;
2942 let Inst{11-0} = offset{11-0};
2945 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2948 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2949 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2950 IndexModePost, StFrm, iii,
2951 opc, "\t$Rt, $addr, $offset",
2952 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2958 let Inst{23} = offset{12};
2959 let Inst{19-16} = addr;
2960 let Inst{11-0} = offset{11-0};
2962 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2966 let mayStore = 1, hasSideEffects = 0 in {
2967 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2968 // IIC_iStore_siu depending on whether it the offset register is shifted.
2969 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2970 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2973 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2974 am2offset_reg:$offset),
2975 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2976 am2offset_reg:$offset)>;
2977 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2978 am2offset_imm:$offset),
2979 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2980 am2offset_imm:$offset)>;
2981 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2982 am2offset_reg:$offset),
2983 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2984 am2offset_reg:$offset)>;
2985 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2986 am2offset_imm:$offset),
2987 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2988 am2offset_imm:$offset)>;
2990 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2991 // put the patterns on the instruction definitions directly as ISel wants
2992 // the address base and offset to be separate operands, not a single
2993 // complex operand like we represent the instructions themselves. The
2994 // pseudos map between the two.
2995 let usesCustomInserter = 1,
2996 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2997 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2998 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
3001 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
3002 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3003 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
3006 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
3007 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3008 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
3011 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
3012 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3013 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
3016 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
3017 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3018 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
3021 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
3026 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
3027 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
3028 StMiscFrm, IIC_iStore_bh_ru,
3029 "strh", "\t$Rt, $addr!",
3030 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
3032 let Inst{23} = addr{8}; // U bit
3033 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3034 let Inst{19-16} = addr{12-9}; // Rn
3035 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3036 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3037 let DecoderMethod = "DecodeAddrMode3Instruction";
3040 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
3041 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
3042 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
3043 "strh", "\t$Rt, $addr, $offset",
3044 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb",
3045 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
3046 addr_offset_none:$addr,
3047 am3offset:$offset))]> {
3050 let Inst{23} = offset{8}; // U bit
3051 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3052 let Inst{19-16} = addr;
3053 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3054 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3055 let DecoderMethod = "DecodeAddrMode3Instruction";
3058 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
3059 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
3060 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
3061 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
3062 "strd", "\t$Rt, $Rt2, $addr!",
3063 "$addr.base = $Rn_wb", []> {
3065 let Inst{23} = addr{8}; // U bit
3066 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3067 let Inst{19-16} = addr{12-9}; // Rn
3068 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3069 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3070 let DecoderMethod = "DecodeAddrMode3Instruction";
3073 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
3074 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
3076 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
3077 "strd", "\t$Rt, $Rt2, $addr, $offset",
3078 "$addr.base = $Rn_wb", []> {
3081 let Inst{23} = offset{8}; // U bit
3082 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3083 let Inst{19-16} = addr;
3084 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3085 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3086 let DecoderMethod = "DecodeAddrMode3Instruction";
3088 } // mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1
3090 // STRT, STRBT, and STRHT
3092 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3093 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3094 IndexModePost, StFrm, IIC_iStore_bh_ru,
3095 "strbt", "\t$Rt, $addr, $offset",
3096 "$addr.base = $Rn_wb", []> {
3102 let Inst{23} = offset{12};
3103 let Inst{21} = 1; // overwrite
3104 let Inst{19-16} = addr;
3105 let Inst{11-5} = offset{11-5};
3107 let Inst{3-0} = offset{3-0};
3108 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3112 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3113 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3114 IndexModePost, StFrm, IIC_iStore_bh_ru,
3115 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3121 let Inst{23} = offset{12};
3122 let Inst{21} = 1; // overwrite
3123 let Inst{19-16} = addr;
3124 let Inst{11-0} = offset{11-0};
3125 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3129 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
3130 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3132 let mayStore = 1, hasSideEffects = 0 in {
3133 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3134 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3135 IndexModePost, StFrm, IIC_iStore_ru,
3136 "strt", "\t$Rt, $addr, $offset",
3137 "$addr.base = $Rn_wb", []> {
3143 let Inst{23} = offset{12};
3144 let Inst{21} = 1; // overwrite
3145 let Inst{19-16} = addr;
3146 let Inst{11-5} = offset{11-5};
3148 let Inst{3-0} = offset{3-0};
3149 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3153 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3154 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3155 IndexModePost, StFrm, IIC_iStore_ru,
3156 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3162 let Inst{23} = offset{12};
3163 let Inst{21} = 1; // overwrite
3164 let Inst{19-16} = addr;
3165 let Inst{11-0} = offset{11-0};
3166 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3171 : ARMAsmPseudo<"strt${q} $Rt, $addr",
3172 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3174 multiclass AI3strT<bits<4> op, string opc> {
3175 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3176 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
3177 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3178 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
3180 let Inst{23} = offset{8};
3182 let Inst{11-8} = offset{7-4};
3183 let Inst{3-0} = offset{3-0};
3185 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3186 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
3187 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3188 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
3190 let Inst{23} = Rm{4};
3193 let Inst{3-0} = Rm{3-0};
3198 defm STRHT : AI3strT<0b1011, "strht">;
3200 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3201 NoItinerary, "stl", "\t$Rt, $addr", []>;
3202 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3203 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3204 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3205 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3207 //===----------------------------------------------------------------------===//
3208 // Load / store multiple Instructions.
3211 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3212 InstrItinClass itin, InstrItinClass itin_upd> {
3213 // IA is the default, so no need for an explicit suffix on the
3214 // mnemonic here. Without it is the canonical spelling.
3216 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3217 IndexModeNone, f, itin,
3218 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3219 let Inst{24-23} = 0b01; // Increment After
3220 let Inst{22} = P_bit;
3221 let Inst{21} = 0; // No writeback
3222 let Inst{20} = L_bit;
3225 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3226 IndexModeUpd, f, itin_upd,
3227 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3228 let Inst{24-23} = 0b01; // Increment After
3229 let Inst{22} = P_bit;
3230 let Inst{21} = 1; // Writeback
3231 let Inst{20} = L_bit;
3233 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3236 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3237 IndexModeNone, f, itin,
3238 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3239 let Inst{24-23} = 0b00; // Decrement After
3240 let Inst{22} = P_bit;
3241 let Inst{21} = 0; // No writeback
3242 let Inst{20} = L_bit;
3245 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3246 IndexModeUpd, f, itin_upd,
3247 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3248 let Inst{24-23} = 0b00; // Decrement After
3249 let Inst{22} = P_bit;
3250 let Inst{21} = 1; // Writeback
3251 let Inst{20} = L_bit;
3253 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3256 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3257 IndexModeNone, f, itin,
3258 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3259 let Inst{24-23} = 0b10; // Decrement Before
3260 let Inst{22} = P_bit;
3261 let Inst{21} = 0; // No writeback
3262 let Inst{20} = L_bit;
3265 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3266 IndexModeUpd, f, itin_upd,
3267 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3268 let Inst{24-23} = 0b10; // Decrement Before
3269 let Inst{22} = P_bit;
3270 let Inst{21} = 1; // Writeback
3271 let Inst{20} = L_bit;
3273 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3276 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3277 IndexModeNone, f, itin,
3278 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3279 let Inst{24-23} = 0b11; // Increment Before
3280 let Inst{22} = P_bit;
3281 let Inst{21} = 0; // No writeback
3282 let Inst{20} = L_bit;
3285 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3286 IndexModeUpd, f, itin_upd,
3287 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3288 let Inst{24-23} = 0b11; // Increment Before
3289 let Inst{22} = P_bit;
3290 let Inst{21} = 1; // Writeback
3291 let Inst{20} = L_bit;
3293 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3297 let hasSideEffects = 0 in {
3299 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3300 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3301 IIC_iLoad_mu>, ComplexDeprecationPredicate<"ARMLoad">;
3303 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3304 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3306 ComplexDeprecationPredicate<"ARMStore">;
3310 // FIXME: remove when we have a way to marking a MI with these properties.
3311 // FIXME: Should pc be an implicit operand like PICADD, etc?
3312 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3313 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3314 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3315 reglist:$regs, variable_ops),
3316 4, IIC_iLoad_mBr, [],
3317 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3318 RegConstraint<"$Rn = $wb">;
3320 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3321 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3324 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3325 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3330 //===----------------------------------------------------------------------===//
3331 // Move Instructions.
3334 let hasSideEffects = 0 in
3335 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3336 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3340 let Inst{19-16} = 0b0000;
3341 let Inst{11-4} = 0b00000000;
3344 let Inst{15-12} = Rd;
3347 // A version for the smaller set of tail call registers.
3348 let hasSideEffects = 0 in
3349 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3350 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3354 let Inst{11-4} = 0b00000000;
3357 let Inst{15-12} = Rd;
3360 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3361 DPSoRegRegFrm, IIC_iMOVsr,
3362 "mov", "\t$Rd, $src",
3363 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3367 let Inst{15-12} = Rd;
3368 let Inst{19-16} = 0b0000;
3369 let Inst{11-8} = src{11-8};
3371 let Inst{6-5} = src{6-5};
3373 let Inst{3-0} = src{3-0};
3377 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3378 DPSoRegImmFrm, IIC_iMOVsr,
3379 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3380 UnaryDP, Sched<[WriteALU]> {
3383 let Inst{15-12} = Rd;
3384 let Inst{19-16} = 0b0000;
3385 let Inst{11-5} = src{11-5};
3387 let Inst{3-0} = src{3-0};
3391 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3392 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm, IIC_iMOVi,
3393 "mov", "\t$Rd, $imm", [(set GPR:$Rd, mod_imm:$imm)]>, UnaryDP,
3398 let Inst{15-12} = Rd;
3399 let Inst{19-16} = 0b0000;
3400 let Inst{11-0} = imm;
3403 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3404 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3406 "movw", "\t$Rd, $imm",
3407 [(set GPR:$Rd, imm0_65535:$imm)]>,
3408 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3411 let Inst{15-12} = Rd;
3412 let Inst{11-0} = imm{11-0};
3413 let Inst{19-16} = imm{15-12};
3416 let DecoderMethod = "DecodeArmMOVTWInstruction";
3419 def : InstAlias<"mov${p} $Rd, $imm",
3420 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p), 0>,
3421 Requires<[IsARM, HasV6T2]>;
3423 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3424 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3427 let Constraints = "$src = $Rd" in {
3428 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3429 (ins GPR:$src, imm0_65535_expr:$imm),
3431 "movt", "\t$Rd, $imm",
3433 (or (and GPR:$src, 0xffff),
3434 lo16AllZero:$imm))]>, UnaryDP,
3435 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3438 let Inst{15-12} = Rd;
3439 let Inst{11-0} = imm{11-0};
3440 let Inst{19-16} = imm{15-12};
3443 let DecoderMethod = "DecodeArmMOVTWInstruction";
3446 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3447 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3452 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3453 Requires<[IsARM, HasV6T2]>;
3455 let Uses = [CPSR] in
3456 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3457 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3458 Requires<[IsARM]>, Sched<[WriteALU]>;
3460 // These aren't really mov instructions, but we have to define them this way
3461 // due to flag operands.
3463 let Defs = [CPSR] in {
3464 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3465 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3466 Sched<[WriteALU]>, Requires<[IsARM]>;
3467 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3468 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3469 Sched<[WriteALU]>, Requires<[IsARM]>;
3472 //===----------------------------------------------------------------------===//
3473 // Extend Instructions.
3478 def SXTB : AI_ext_rrot<0b01101010,
3479 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3480 def SXTH : AI_ext_rrot<0b01101011,
3481 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3483 def SXTAB : AI_exta_rrot<0b01101010,
3484 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3485 def SXTAH : AI_exta_rrot<0b01101011,
3486 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3488 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, rot_imm:$rot), i8)),
3489 (SXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3490 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, imm8_or_16:$rot),
3492 (SXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3494 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3495 def : ARMV6Pat<(int_arm_sxtb16 GPR:$Src),
3496 (SXTB16 GPR:$Src, 0)>;
3498 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3499 def : ARMV6Pat<(int_arm_sxtab16 GPR:$LHS, GPR:$RHS),
3500 (SXTAB16 GPR:$LHS, GPR:$RHS, 0)>;
3504 let AddedComplexity = 16 in {
3505 def UXTB : AI_ext_rrot<0b01101110,
3506 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3507 def UXTH : AI_ext_rrot<0b01101111,
3508 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3509 def UXTB16 : AI_ext_rrot<0b01101100,
3510 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3512 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3513 // The transformation should probably be done as a combiner action
3514 // instead so we can include a check for masking back in the upper
3515 // eight bits of the source into the lower eight bits of the result.
3516 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3517 // (UXTB16r_rot GPR:$Src, 3)>;
3518 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3519 (UXTB16 GPR:$Src, 1)>;
3520 def : ARMV6Pat<(int_arm_uxtb16 GPR:$Src),
3521 (UXTB16 GPR:$Src, 0)>;
3523 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3524 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3525 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3526 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3528 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, rot_imm:$rot), 0xFF)),
3529 (UXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3530 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, imm8_or_16:$rot), 0xFFFF)),
3531 (UXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3534 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3535 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3536 def : ARMV6Pat<(int_arm_uxtab16 GPR:$LHS, GPR:$RHS),
3537 (UXTAB16 GPR:$LHS, GPR:$RHS, 0)>;
3540 def SBFX : I<(outs GPRnopc:$Rd),
3541 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3542 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3543 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3544 Requires<[IsARM, HasV6T2]> {
3549 let Inst{27-21} = 0b0111101;
3550 let Inst{6-4} = 0b101;
3551 let Inst{20-16} = width;
3552 let Inst{15-12} = Rd;
3553 let Inst{11-7} = lsb;
3557 def UBFX : I<(outs GPRnopc:$Rd),
3558 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3559 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3560 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3561 Requires<[IsARM, HasV6T2]> {
3566 let Inst{27-21} = 0b0111111;
3567 let Inst{6-4} = 0b101;
3568 let Inst{20-16} = width;
3569 let Inst{15-12} = Rd;
3570 let Inst{11-7} = lsb;
3574 //===----------------------------------------------------------------------===//
3575 // Arithmetic Instructions.
3579 defm ADD : AsI1_bin_irs<0b0100, "add",
3580 IIC_iALUi, IIC_iALUr, IIC_iALUsr, add, 1>;
3581 defm SUB : AsI1_bin_irs<0b0010, "sub",
3582 IIC_iALUi, IIC_iALUr, IIC_iALUsr, sub>;
3584 // ADD and SUB with 's' bit set.
3586 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3587 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3588 // AdjustInstrPostInstrSelection where we determine whether or not to
3589 // set the "s" bit based on CPSR liveness.
3591 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3592 // support for an optional CPSR definition that corresponds to the DAG
3593 // node's second value. We can then eliminate the implicit def of CPSR.
3595 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMaddc, 1>;
3596 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3599 defm ADC : AI1_adde_sube_irs<0b0101, "adc", ARMadde, 1>;
3600 defm SBC : AI1_adde_sube_irs<0b0110, "sbc", ARMsube>;
3602 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3603 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3606 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3607 // CPSR and the implicit def of CPSR is not needed.
3608 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3610 defm RSC : AI1_rsc_irs<0b0111, "rsc", ARMsube>;
3612 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3613 // The assume-no-carry-in form uses the negation of the input since add/sub
3614 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3615 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3617 def : ARMPat<(add GPR:$src, mod_imm_neg:$imm),
3618 (SUBri GPR:$src, mod_imm_neg:$imm)>;
3619 def : ARMPat<(ARMaddc GPR:$src, mod_imm_neg:$imm),
3620 (SUBSri GPR:$src, mod_imm_neg:$imm)>;
3622 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3623 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3624 Requires<[IsARM, HasV6T2]>;
3625 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3626 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3627 Requires<[IsARM, HasV6T2]>;
3629 // The with-carry-in form matches bitwise not instead of the negation.
3630 // Effectively, the inverse interpretation of the carry flag already accounts
3631 // for part of the negation.
3632 def : ARMPat<(ARMadde GPR:$src, mod_imm_not:$imm, CPSR),
3633 (SBCri GPR:$src, mod_imm_not:$imm)>;
3634 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3635 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>,
3636 Requires<[IsARM, HasV6T2]>;
3638 // Note: These are implemented in C++ code, because they have to generate
3639 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3641 // (mul X, 2^n+1) -> (add (X << n), X)
3642 // (mul X, 2^n-1) -> (rsb X, (X << n))
3644 // ARM Arithmetic Instruction
3645 // GPR:$dst = GPR:$a op GPR:$b
3646 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3647 list<dag> pattern = [],
3648 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3649 string asm = "\t$Rd, $Rn, $Rm">
3650 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3651 Sched<[WriteALU, ReadALU, ReadALU]> {
3655 let Inst{27-20} = op27_20;
3656 let Inst{11-4} = op11_4;
3657 let Inst{19-16} = Rn;
3658 let Inst{15-12} = Rd;
3661 let Unpredictable{11-8} = 0b1111;
3664 // Wrappers around the AAI class
3665 class AAIRevOpr<bits<8> op27_20, bits<8> op11_4, string opc,
3666 list<dag> pattern = []>
3667 : AAI<op27_20, op11_4, opc,
3669 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3672 class AAIIntrinsic<bits<8> op27_20, bits<8> op11_4, string opc,
3673 Intrinsic intrinsic>
3674 : AAI<op27_20, op11_4, opc,
3675 [(set GPRnopc:$Rd, (intrinsic GPRnopc:$Rn, GPRnopc:$Rm))]>;
3677 // Saturating add/subtract
3678 let hasSideEffects = 1 in {
3679 def QADD8 : AAIIntrinsic<0b01100010, 0b11111001, "qadd8", int_arm_qadd8>;
3680 def QADD16 : AAIIntrinsic<0b01100010, 0b11110001, "qadd16", int_arm_qadd16>;
3681 def QSUB16 : AAIIntrinsic<0b01100010, 0b11110111, "qsub16", int_arm_qsub16>;
3682 def QSUB8 : AAIIntrinsic<0b01100010, 0b11111111, "qsub8", int_arm_qsub8>;
3684 def QDADD : AAIRevOpr<0b00010100, 0b00000101, "qdadd",
3685 [(set GPRnopc:$Rd, (int_arm_qadd (int_arm_qadd GPRnopc:$Rm,
3688 def QDSUB : AAIRevOpr<0b00010110, 0b00000101, "qdsub",
3689 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm,
3690 (int_arm_qadd GPRnopc:$Rn, GPRnopc:$Rn)))]>;
3691 def QSUB : AAIRevOpr<0b00010010, 0b00000101, "qsub",
3692 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))]>;
3693 let DecoderMethod = "DecodeQADDInstruction" in
3694 def QADD : AAIRevOpr<0b00010000, 0b00000101, "qadd",
3695 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))]>;
3698 def UQADD16 : AAIIntrinsic<0b01100110, 0b11110001, "uqadd16", int_arm_uqadd16>;
3699 def UQADD8 : AAIIntrinsic<0b01100110, 0b11111001, "uqadd8", int_arm_uqadd8>;
3700 def UQSUB16 : AAIIntrinsic<0b01100110, 0b11110111, "uqsub16", int_arm_uqsub16>;
3701 def UQSUB8 : AAIIntrinsic<0b01100110, 0b11111111, "uqsub8", int_arm_uqsub8>;
3702 def QASX : AAIIntrinsic<0b01100010, 0b11110011, "qasx", int_arm_qasx>;
3703 def QSAX : AAIIntrinsic<0b01100010, 0b11110101, "qsax", int_arm_qsax>;
3704 def UQASX : AAIIntrinsic<0b01100110, 0b11110011, "uqasx", int_arm_uqasx>;
3705 def UQSAX : AAIIntrinsic<0b01100110, 0b11110101, "uqsax", int_arm_uqsax>;
3707 // Signed/Unsigned add/subtract
3709 def SASX : AAIIntrinsic<0b01100001, 0b11110011, "sasx", int_arm_sasx>;
3710 def SADD16 : AAIIntrinsic<0b01100001, 0b11110001, "sadd16", int_arm_sadd16>;
3711 def SADD8 : AAIIntrinsic<0b01100001, 0b11111001, "sadd8", int_arm_sadd8>;
3712 def SSAX : AAIIntrinsic<0b01100001, 0b11110101, "ssax", int_arm_ssax>;
3713 def SSUB16 : AAIIntrinsic<0b01100001, 0b11110111, "ssub16", int_arm_ssub16>;
3714 def SSUB8 : AAIIntrinsic<0b01100001, 0b11111111, "ssub8", int_arm_ssub8>;
3715 def UASX : AAIIntrinsic<0b01100101, 0b11110011, "uasx", int_arm_uasx>;
3716 def UADD16 : AAIIntrinsic<0b01100101, 0b11110001, "uadd16", int_arm_uadd16>;
3717 def UADD8 : AAIIntrinsic<0b01100101, 0b11111001, "uadd8", int_arm_uadd8>;
3718 def USAX : AAIIntrinsic<0b01100101, 0b11110101, "usax", int_arm_usax>;
3719 def USUB16 : AAIIntrinsic<0b01100101, 0b11110111, "usub16", int_arm_usub16>;
3720 def USUB8 : AAIIntrinsic<0b01100101, 0b11111111, "usub8", int_arm_usub8>;
3722 // Signed/Unsigned halving add/subtract
3724 def SHASX : AAIIntrinsic<0b01100011, 0b11110011, "shasx", int_arm_shasx>;
3725 def SHADD16 : AAIIntrinsic<0b01100011, 0b11110001, "shadd16", int_arm_shadd16>;
3726 def SHADD8 : AAIIntrinsic<0b01100011, 0b11111001, "shadd8", int_arm_shadd8>;
3727 def SHSAX : AAIIntrinsic<0b01100011, 0b11110101, "shsax", int_arm_shsax>;
3728 def SHSUB16 : AAIIntrinsic<0b01100011, 0b11110111, "shsub16", int_arm_shsub16>;
3729 def SHSUB8 : AAIIntrinsic<0b01100011, 0b11111111, "shsub8", int_arm_shsub8>;
3730 def UHASX : AAIIntrinsic<0b01100111, 0b11110011, "uhasx", int_arm_uhasx>;
3731 def UHADD16 : AAIIntrinsic<0b01100111, 0b11110001, "uhadd16", int_arm_uhadd16>;
3732 def UHADD8 : AAIIntrinsic<0b01100111, 0b11111001, "uhadd8", int_arm_uhadd8>;
3733 def UHSAX : AAIIntrinsic<0b01100111, 0b11110101, "uhsax", int_arm_uhsax>;
3734 def UHSUB16 : AAIIntrinsic<0b01100111, 0b11110111, "uhsub16", int_arm_uhsub16>;
3735 def UHSUB8 : AAIIntrinsic<0b01100111, 0b11111111, "uhsub8", int_arm_uhsub8>;
3737 // Unsigned Sum of Absolute Differences [and Accumulate].
3739 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3740 MulFrm /* for convenience */, NoItinerary, "usad8",
3742 [(set GPR:$Rd, (int_arm_usad8 GPR:$Rn, GPR:$Rm))]>,
3743 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3747 let Inst{27-20} = 0b01111000;
3748 let Inst{15-12} = 0b1111;
3749 let Inst{7-4} = 0b0001;
3750 let Inst{19-16} = Rd;
3751 let Inst{11-8} = Rm;
3754 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3755 MulFrm /* for convenience */, NoItinerary, "usada8",
3756 "\t$Rd, $Rn, $Rm, $Ra",
3757 [(set GPR:$Rd, (int_arm_usada8 GPR:$Rn, GPR:$Rm, GPR:$Ra))]>,
3758 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3763 let Inst{27-20} = 0b01111000;
3764 let Inst{7-4} = 0b0001;
3765 let Inst{19-16} = Rd;
3766 let Inst{15-12} = Ra;
3767 let Inst{11-8} = Rm;
3771 // Signed/Unsigned saturate
3772 def SSAT : AI<(outs GPRnopc:$Rd),
3773 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3774 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3775 Requires<[IsARM,HasV6]>{
3780 let Inst{27-21} = 0b0110101;
3781 let Inst{5-4} = 0b01;
3782 let Inst{20-16} = sat_imm;
3783 let Inst{15-12} = Rd;
3784 let Inst{11-7} = sh{4-0};
3785 let Inst{6} = sh{5};
3789 def SSAT16 : AI<(outs GPRnopc:$Rd),
3790 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3791 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []>,
3792 Requires<[IsARM,HasV6]>{
3796 let Inst{27-20} = 0b01101010;
3797 let Inst{11-4} = 0b11110011;
3798 let Inst{15-12} = Rd;
3799 let Inst{19-16} = sat_imm;
3803 def USAT : AI<(outs GPRnopc:$Rd),
3804 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3805 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3806 Requires<[IsARM,HasV6]> {
3811 let Inst{27-21} = 0b0110111;
3812 let Inst{5-4} = 0b01;
3813 let Inst{15-12} = Rd;
3814 let Inst{11-7} = sh{4-0};
3815 let Inst{6} = sh{5};
3816 let Inst{20-16} = sat_imm;
3820 def USAT16 : AI<(outs GPRnopc:$Rd),
3821 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3822 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []>,
3823 Requires<[IsARM,HasV6]>{
3827 let Inst{27-20} = 0b01101110;
3828 let Inst{11-4} = 0b11110011;
3829 let Inst{15-12} = Rd;
3830 let Inst{19-16} = sat_imm;
3834 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm1_32:$pos),
3835 (SSAT imm1_32:$pos, GPRnopc:$a, 0)>;
3836 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm0_31:$pos),
3837 (USAT imm0_31:$pos, GPRnopc:$a, 0)>;
3838 def : ARMPat<(ARMssatnoshift GPRnopc:$Rn, imm0_31:$imm),
3839 (SSAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3840 def : ARMPat<(ARMusatnoshift GPRnopc:$Rn, imm0_31:$imm),
3841 (USAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3842 def : ARMV6Pat<(int_arm_ssat16 GPRnopc:$a, imm1_16:$pos),
3843 (SSAT16 imm1_16:$pos, GPRnopc:$a)>;
3844 def : ARMV6Pat<(int_arm_usat16 GPRnopc:$a, imm0_15:$pos),
3845 (USAT16 imm0_15:$pos, GPRnopc:$a)>;
3847 //===----------------------------------------------------------------------===//
3848 // Bitwise Instructions.
3851 defm AND : AsI1_bin_irs<0b0000, "and",
3852 IIC_iBITi, IIC_iBITr, IIC_iBITsr, and, 1>;
3853 defm ORR : AsI1_bin_irs<0b1100, "orr",
3854 IIC_iBITi, IIC_iBITr, IIC_iBITsr, or, 1>;
3855 defm EOR : AsI1_bin_irs<0b0001, "eor",
3856 IIC_iBITi, IIC_iBITr, IIC_iBITsr, xor, 1>;
3857 defm BIC : AsI1_bin_irs<0b1110, "bic",
3858 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3859 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3861 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3862 // like in the actual instruction encoding. The complexity of mapping the mask
3863 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3864 // instruction description.
3865 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3866 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3867 "bfc", "\t$Rd, $imm", "$src = $Rd",
3868 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3869 Requires<[IsARM, HasV6T2]> {
3872 let Inst{27-21} = 0b0111110;
3873 let Inst{6-0} = 0b0011111;
3874 let Inst{15-12} = Rd;
3875 let Inst{11-7} = imm{4-0}; // lsb
3876 let Inst{20-16} = imm{9-5}; // msb
3879 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3880 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3881 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3882 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3883 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3884 bf_inv_mask_imm:$imm))]>,
3885 Requires<[IsARM, HasV6T2]> {
3889 let Inst{27-21} = 0b0111110;
3890 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3891 let Inst{15-12} = Rd;
3892 let Inst{11-7} = imm{4-0}; // lsb
3893 let Inst{20-16} = imm{9-5}; // width
3897 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3898 "mvn", "\t$Rd, $Rm",
3899 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3903 let Inst{19-16} = 0b0000;
3904 let Inst{11-4} = 0b00000000;
3905 let Inst{15-12} = Rd;
3908 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3909 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3910 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3915 let Inst{19-16} = 0b0000;
3916 let Inst{15-12} = Rd;
3917 let Inst{11-5} = shift{11-5};
3919 let Inst{3-0} = shift{3-0};
3921 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3922 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3923 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3928 let Inst{19-16} = 0b0000;
3929 let Inst{15-12} = Rd;
3930 let Inst{11-8} = shift{11-8};
3932 let Inst{6-5} = shift{6-5};
3934 let Inst{3-0} = shift{3-0};
3936 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3937 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm,
3938 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3939 [(set GPR:$Rd, mod_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3943 let Inst{19-16} = 0b0000;
3944 let Inst{15-12} = Rd;
3945 let Inst{11-0} = imm;
3948 let AddedComplexity = 1 in
3949 def : ARMPat<(and GPR:$src, mod_imm_not:$imm),
3950 (BICri GPR:$src, mod_imm_not:$imm)>;
3952 //===----------------------------------------------------------------------===//
3953 // Multiply Instructions.
3955 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3956 string opc, string asm, list<dag> pattern>
3957 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3961 let Inst{19-16} = Rd;
3962 let Inst{11-8} = Rm;
3965 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3966 string opc, string asm, list<dag> pattern>
3967 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3972 let Inst{19-16} = RdHi;
3973 let Inst{15-12} = RdLo;
3974 let Inst{11-8} = Rm;
3977 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3978 string opc, string asm, list<dag> pattern>
3979 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3984 let Inst{19-16} = RdHi;
3985 let Inst{15-12} = RdLo;
3986 let Inst{11-8} = Rm;
3990 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3991 // property. Remove them when it's possible to add those properties
3992 // on an individual MachineInstr, not just an instruction description.
3993 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3994 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3995 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3996 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3997 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3998 Requires<[IsARM, HasV6]>,
3999 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4000 let Inst{15-12} = 0b0000;
4001 let Unpredictable{15-12} = 0b1111;
4004 let Constraints = "@earlyclobber $Rd" in
4005 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
4006 pred:$p, cc_out:$s),
4008 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
4009 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
4010 Requires<[IsARM, NoV6, UseMulOps]>,
4011 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4014 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
4015 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
4016 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
4017 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
4018 Requires<[IsARM, HasV6, UseMulOps]>,
4019 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
4021 let Inst{15-12} = Ra;
4024 let Constraints = "@earlyclobber $Rd" in
4025 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
4026 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
4027 pred:$p, cc_out:$s), 4, IIC_iMAC32,
4028 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
4029 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
4030 Requires<[IsARM, NoV6]>,
4031 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4033 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4034 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
4035 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
4036 Requires<[IsARM, HasV6T2, UseMulOps]>,
4037 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
4042 let Inst{19-16} = Rd;
4043 let Inst{15-12} = Ra;
4044 let Inst{11-8} = Rm;
4048 // Extra precision multiplies with low / high results
4049 let hasSideEffects = 0 in {
4050 let isCommutable = 1 in {
4051 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
4052 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4053 "smull", "\t$RdLo, $RdHi, $Rn, $Rm",
4054 [(set GPR:$RdLo, GPR:$RdHi,
4055 (smullohi GPR:$Rn, GPR:$Rm))]>,
4056 Requires<[IsARM, HasV6]>,
4057 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4059 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
4060 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4061 "umull", "\t$RdLo, $RdHi, $Rn, $Rm",
4062 [(set GPR:$RdLo, GPR:$RdHi,
4063 (umullohi GPR:$Rn, GPR:$Rm))]>,
4064 Requires<[IsARM, HasV6]>,
4065 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL]>;
4067 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
4068 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4069 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4071 [(set GPR:$RdLo, GPR:$RdHi,
4072 (smullohi GPR:$Rn, GPR:$Rm))],
4073 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4074 Requires<[IsARM, NoV6]>,
4075 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4077 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4078 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4080 [(set GPR:$RdLo, GPR:$RdHi,
4081 (umullohi GPR:$Rn, GPR:$Rm))],
4082 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4083 Requires<[IsARM, NoV6]>,
4084 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4088 // Multiply + accumulate
4089 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
4090 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4091 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4092 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4093 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4094 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
4095 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4096 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4097 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4098 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4100 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
4101 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4103 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4104 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4105 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]> {
4110 let Inst{19-16} = RdHi;
4111 let Inst{15-12} = RdLo;
4112 let Inst{11-8} = Rm;
4117 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
4118 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4119 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4121 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4122 pred:$p, cc_out:$s)>,
4123 Requires<[IsARM, NoV6]>,
4124 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4125 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4126 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4128 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4129 pred:$p, cc_out:$s)>,
4130 Requires<[IsARM, NoV6]>,
4131 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4136 // Most significant word multiply
4137 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4138 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
4139 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
4140 Requires<[IsARM, HasV6]>,
4141 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4142 let Inst{15-12} = 0b1111;
4145 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4146 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
4147 Requires<[IsARM, HasV6]>,
4148 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4149 let Inst{15-12} = 0b1111;
4152 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
4153 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4154 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
4155 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
4156 Requires<[IsARM, HasV6, UseMulOps]>,
4157 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4159 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
4160 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4161 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
4162 Requires<[IsARM, HasV6]>,
4163 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4165 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
4166 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4167 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
4168 Requires<[IsARM, HasV6, UseMulOps]>,
4169 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4171 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
4172 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4173 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
4174 Requires<[IsARM, HasV6]>,
4175 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4177 multiclass AI_smul<string opc> {
4178 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4179 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
4180 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4181 (sext_inreg GPR:$Rm, i16)))]>,
4182 Requires<[IsARM, HasV5TE]>,
4183 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4185 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4186 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
4187 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4188 (sra GPR:$Rm, (i32 16))))]>,
4189 Requires<[IsARM, HasV5TE]>,
4190 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4192 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4193 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
4194 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4195 (sext_inreg GPR:$Rm, i16)))]>,
4196 Requires<[IsARM, HasV5TE]>,
4197 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4199 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4200 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
4201 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4202 (sra GPR:$Rm, (i32 16))))]>,
4203 Requires<[IsARM, HasV5TE]>,
4204 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4206 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4207 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
4208 [(set GPR:$Rd, (ARMsmulwb GPR:$Rn, GPR:$Rm))]>,
4209 Requires<[IsARM, HasV5TE]>,
4210 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4212 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4213 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
4214 [(set GPR:$Rd, (ARMsmulwt GPR:$Rn, GPR:$Rm))]>,
4215 Requires<[IsARM, HasV5TE]>,
4216 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4220 multiclass AI_smla<string opc> {
4221 let DecoderMethod = "DecodeSMLAInstruction" in {
4222 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
4223 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4224 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
4225 [(set GPRnopc:$Rd, (add GPR:$Ra,
4226 (mul (sext_inreg GPRnopc:$Rn, i16),
4227 (sext_inreg GPRnopc:$Rm, i16))))]>,
4228 Requires<[IsARM, HasV5TE, UseMulOps]>,
4229 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4231 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
4232 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4233 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
4235 (add GPR:$Ra, (mul (sext_inreg GPRnopc:$Rn, i16),
4236 (sra GPRnopc:$Rm, (i32 16)))))]>,
4237 Requires<[IsARM, HasV5TE, UseMulOps]>,
4238 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4240 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
4241 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4242 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
4244 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4245 (sext_inreg GPRnopc:$Rm, i16))))]>,
4246 Requires<[IsARM, HasV5TE, UseMulOps]>,
4247 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4249 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
4250 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4251 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
4253 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4254 (sra GPRnopc:$Rm, (i32 16)))))]>,
4255 Requires<[IsARM, HasV5TE, UseMulOps]>,
4256 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4258 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
4259 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4260 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
4262 (add GPR:$Ra, (ARMsmulwb GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4263 Requires<[IsARM, HasV5TE, UseMulOps]>,
4264 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4266 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
4267 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4268 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
4270 (add GPR:$Ra, (ARMsmulwt GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4271 Requires<[IsARM, HasV5TE, UseMulOps]>,
4272 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4276 defm SMUL : AI_smul<"smul">;
4277 defm SMLA : AI_smla<"smla">;
4279 // Halfword multiply accumulate long: SMLAL<x><y>.
4280 class SMLAL<bits<2> opc1, string asm>
4281 : AMulxyI64<0b0001010, opc1,
4282 (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4283 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4284 IIC_iMAC64, asm, "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4285 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4286 Requires<[IsARM, HasV5TE]>,
4287 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4289 def SMLALBB : SMLAL<0b00, "smlalbb">;
4290 def SMLALBT : SMLAL<0b10, "smlalbt">;
4291 def SMLALTB : SMLAL<0b01, "smlaltb">;
4292 def SMLALTT : SMLAL<0b11, "smlaltt">;
4294 def : ARMV5TEPat<(ARMsmlalbb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4295 (SMLALBB $Rn, $Rm, $RLo, $RHi)>;
4296 def : ARMV5TEPat<(ARMsmlalbt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4297 (SMLALBT $Rn, $Rm, $RLo, $RHi)>;
4298 def : ARMV5TEPat<(ARMsmlaltb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4299 (SMLALTB $Rn, $Rm, $RLo, $RHi)>;
4300 def : ARMV5TEPat<(ARMsmlaltt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4301 (SMLALTT $Rn, $Rm, $RLo, $RHi)>;
4303 // Helper class for AI_smld.
4304 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4305 InstrItinClass itin, string opc, string asm>
4306 : AI<oops, iops, MulFrm, itin, opc, asm, []>,
4307 Requires<[IsARM, HasV6]> {
4310 let Inst{27-23} = 0b01110;
4311 let Inst{22} = long;
4312 let Inst{21-20} = 0b00;
4313 let Inst{11-8} = Rm;
4320 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4321 InstrItinClass itin, string opc, string asm>
4322 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4324 let Inst{15-12} = 0b1111;
4325 let Inst{19-16} = Rd;
4327 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4328 InstrItinClass itin, string opc, string asm>
4329 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4332 let Inst{19-16} = Rd;
4333 let Inst{15-12} = Ra;
4335 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4336 InstrItinClass itin, string opc, string asm>
4337 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4340 let Inst{19-16} = RdHi;
4341 let Inst{15-12} = RdLo;
4344 multiclass AI_smld<bit sub, string opc> {
4346 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4347 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4348 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">,
4349 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4351 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4352 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4353 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">,
4354 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4356 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4357 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4359 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">,
4360 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4361 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4363 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4364 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4366 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">,
4367 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4368 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4371 defm SMLA : AI_smld<0, "smla">;
4372 defm SMLS : AI_smld<1, "smls">;
4374 def : ARMV6Pat<(int_arm_smlad GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4375 (SMLAD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4376 def : ARMV6Pat<(int_arm_smladx GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4377 (SMLADX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4378 def : ARMV6Pat<(int_arm_smlsd GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4379 (SMLSD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4380 def : ARMV6Pat<(int_arm_smlsdx GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4381 (SMLSDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4382 def : ARMV6Pat<(ARMSmlald GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4383 (SMLALD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4384 def : ARMV6Pat<(ARMSmlaldx GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4385 (SMLALDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4386 def : ARMV6Pat<(ARMSmlsld GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4387 (SMLSLD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4388 def : ARMV6Pat<(ARMSmlsldx GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4389 (SMLSLDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4391 multiclass AI_sdml<bit sub, string opc> {
4393 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4394 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">,
4395 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4396 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4397 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">,
4398 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4401 defm SMUA : AI_sdml<0, "smua">;
4402 defm SMUS : AI_sdml<1, "smus">;
4404 def : ARMV6Pat<(int_arm_smuad GPRnopc:$Rn, GPRnopc:$Rm),
4405 (SMUAD GPRnopc:$Rn, GPRnopc:$Rm)>;
4406 def : ARMV6Pat<(int_arm_smuadx GPRnopc:$Rn, GPRnopc:$Rm),
4407 (SMUADX GPRnopc:$Rn, GPRnopc:$Rm)>;
4408 def : ARMV6Pat<(int_arm_smusd GPRnopc:$Rn, GPRnopc:$Rm),
4409 (SMUSD GPRnopc:$Rn, GPRnopc:$Rm)>;
4410 def : ARMV6Pat<(int_arm_smusdx GPRnopc:$Rn, GPRnopc:$Rm),
4411 (SMUSDX GPRnopc:$Rn, GPRnopc:$Rm)>;
4413 //===----------------------------------------------------------------------===//
4414 // Division Instructions (ARMv7-A with virtualization extension)
4416 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4417 "sdiv", "\t$Rd, $Rn, $Rm",
4418 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4419 Requires<[IsARM, HasDivideInARM]>,
4422 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4423 "udiv", "\t$Rd, $Rn, $Rm",
4424 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4425 Requires<[IsARM, HasDivideInARM]>,
4428 //===----------------------------------------------------------------------===//
4429 // Misc. Arithmetic Instructions.
4432 def CLZ : AMiscA1I<0b00010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4433 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4434 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4437 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4438 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4439 [(set GPR:$Rd, (bitreverse GPR:$Rm))]>,
4440 Requires<[IsARM, HasV6T2]>,
4443 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4444 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4445 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4448 let AddedComplexity = 5 in
4449 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4450 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4451 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4452 Requires<[IsARM, HasV6]>,
4455 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4456 (REV16 (LDRH addrmode3:$addr))>;
4457 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4458 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4460 let AddedComplexity = 5 in
4461 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4462 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4463 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4464 Requires<[IsARM, HasV6]>,
4467 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4468 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4471 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4472 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4473 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4474 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4475 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4477 Requires<[IsARM, HasV6]>,
4478 Sched<[WriteALUsi, ReadALU]>;
4480 // Alternate cases for PKHBT where identities eliminate some nodes.
4481 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4482 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4483 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4484 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4486 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4487 // will match the pattern below.
4488 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4489 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4490 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4491 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4492 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4494 Requires<[IsARM, HasV6]>,
4495 Sched<[WriteALUsi, ReadALU]>;
4497 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4498 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4499 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4500 // pkhtb src1, src2, asr (17..31).
4501 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4502 (srl GPRnopc:$src2, imm16:$sh)),
4503 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4504 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4505 (sra GPRnopc:$src2, imm16_31:$sh)),
4506 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4507 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4508 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4509 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4511 //===----------------------------------------------------------------------===//
4515 // + CRC32{B,H,W} 0x04C11DB7
4516 // + CRC32C{B,H,W} 0x1EDC6F41
4519 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4520 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4521 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4522 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4523 Requires<[IsARM, HasV8, HasCRC]> {
4528 let Inst{31-28} = 0b1110;
4529 let Inst{27-23} = 0b00010;
4530 let Inst{22-21} = sz;
4532 let Inst{19-16} = Rn;
4533 let Inst{15-12} = Rd;
4534 let Inst{11-10} = 0b00;
4537 let Inst{7-4} = 0b0100;
4540 let Unpredictable{11-8} = 0b1101;
4543 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4544 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4545 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4546 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4547 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4548 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4550 //===----------------------------------------------------------------------===//
4551 // ARMv8.1a Privilege Access Never extension
4555 def SETPAN : AInoP<(outs), (ins imm0_1:$imm), MiscFrm, NoItinerary, "setpan",
4556 "\t$imm", []>, Requires<[IsARM, HasV8, HasV8_1a]> {
4559 let Inst{31-28} = 0b1111;
4560 let Inst{27-20} = 0b00010001;
4561 let Inst{19-16} = 0b0000;
4562 let Inst{15-10} = 0b000000;
4565 let Inst{7-4} = 0b0000;
4566 let Inst{3-0} = 0b0000;
4568 let Unpredictable{19-16} = 0b1111;
4569 let Unpredictable{15-10} = 0b111111;
4570 let Unpredictable{8} = 0b1;
4571 let Unpredictable{3-0} = 0b1111;
4574 //===----------------------------------------------------------------------===//
4575 // Comparison Instructions...
4578 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4579 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, ARMcmp>;
4581 // ARMcmpZ can re-use the above instruction definitions.
4582 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm:$imm),
4583 (CMPri GPR:$src, mod_imm:$imm)>;
4584 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4585 (CMPrr GPR:$src, GPR:$rhs)>;
4586 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4587 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4588 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4589 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4591 // CMN register-integer
4592 let isCompare = 1, Defs = [CPSR] in {
4593 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, IIC_iCMPi,
4594 "cmn", "\t$Rn, $imm",
4595 [(ARMcmn GPR:$Rn, mod_imm:$imm)]>,
4596 Sched<[WriteCMP, ReadALU]> {
4601 let Inst{19-16} = Rn;
4602 let Inst{15-12} = 0b0000;
4603 let Inst{11-0} = imm;
4605 let Unpredictable{15-12} = 0b1111;
4608 // CMN register-register/shift
4609 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4610 "cmn", "\t$Rn, $Rm",
4611 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4612 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4615 let isCommutable = 1;
4618 let Inst{19-16} = Rn;
4619 let Inst{15-12} = 0b0000;
4620 let Inst{11-4} = 0b00000000;
4623 let Unpredictable{15-12} = 0b1111;
4626 def CMNzrsi : AI1<0b1011, (outs),
4627 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4628 "cmn", "\t$Rn, $shift",
4629 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4630 GPR:$Rn, so_reg_imm:$shift)]>,
4631 Sched<[WriteCMPsi, ReadALU]> {
4636 let Inst{19-16} = Rn;
4637 let Inst{15-12} = 0b0000;
4638 let Inst{11-5} = shift{11-5};
4640 let Inst{3-0} = shift{3-0};
4642 let Unpredictable{15-12} = 0b1111;
4645 def CMNzrsr : AI1<0b1011, (outs),
4646 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4647 "cmn", "\t$Rn, $shift",
4648 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4649 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4650 Sched<[WriteCMPsr, ReadALU]> {
4655 let Inst{19-16} = Rn;
4656 let Inst{15-12} = 0b0000;
4657 let Inst{11-8} = shift{11-8};
4659 let Inst{6-5} = shift{6-5};
4661 let Inst{3-0} = shift{3-0};
4663 let Unpredictable{15-12} = 0b1111;
4668 def : ARMPat<(ARMcmp GPR:$src, mod_imm_neg:$imm),
4669 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4671 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm_neg:$imm),
4672 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4674 // Note that TST/TEQ don't set all the same flags that CMP does!
4675 defm TST : AI1_cmp_irs<0b1000, "tst",
4676 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4677 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1,
4678 "DecodeTSTInstruction">;
4679 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4680 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4681 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4683 // Pseudo i64 compares for some floating point compares.
4684 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4686 def BCCi64 : PseudoInst<(outs),
4687 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4689 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4692 def BCCZi64 : PseudoInst<(outs),
4693 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4694 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4696 } // usesCustomInserter
4699 // Conditional moves
4700 let hasSideEffects = 0 in {
4702 let isCommutable = 1, isSelect = 1 in
4703 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4704 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4706 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4708 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4710 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4711 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4714 (ARMcmov GPR:$false, so_reg_imm:$shift,
4716 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4717 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4718 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4720 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4722 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4725 let isMoveImm = 1 in
4727 : ARMPseudoInst<(outs GPR:$Rd),
4728 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4730 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4732 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4735 let isMoveImm = 1 in
4736 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4737 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4739 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm:$imm,
4741 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4743 // Two instruction predicate mov immediate.
4744 let isMoveImm = 1 in
4746 : ARMPseudoInst<(outs GPR:$Rd),
4747 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4749 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4751 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4753 let isMoveImm = 1 in
4754 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4755 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4757 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm_not:$imm,
4759 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4764 //===----------------------------------------------------------------------===//
4765 // Atomic operations intrinsics
4768 def MemBarrierOptOperand : AsmOperandClass {
4769 let Name = "MemBarrierOpt";
4770 let ParserMethod = "parseMemBarrierOptOperand";
4772 def memb_opt : Operand<i32> {
4773 let PrintMethod = "printMemBOption";
4774 let ParserMatchClass = MemBarrierOptOperand;
4775 let DecoderMethod = "DecodeMemBarrierOption";
4778 def InstSyncBarrierOptOperand : AsmOperandClass {
4779 let Name = "InstSyncBarrierOpt";
4780 let ParserMethod = "parseInstSyncBarrierOptOperand";
4782 def instsyncb_opt : Operand<i32> {
4783 let PrintMethod = "printInstSyncBOption";
4784 let ParserMatchClass = InstSyncBarrierOptOperand;
4785 let DecoderMethod = "DecodeInstSyncBarrierOption";
4788 // Memory barriers protect the atomic sequences
4789 let hasSideEffects = 1 in {
4790 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4791 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4792 Requires<[IsARM, HasDB]> {
4794 let Inst{31-4} = 0xf57ff05;
4795 let Inst{3-0} = opt;
4798 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4799 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4800 Requires<[IsARM, HasDB]> {
4802 let Inst{31-4} = 0xf57ff04;
4803 let Inst{3-0} = opt;
4806 // ISB has only full system option
4807 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4808 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4809 Requires<[IsARM, HasDB]> {
4811 let Inst{31-4} = 0xf57ff06;
4812 let Inst{3-0} = opt;
4816 let usesCustomInserter = 1, Defs = [CPSR] in {
4818 // Pseudo instruction that combines movs + predicated rsbmi
4819 // to implement integer ABS
4820 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4823 let usesCustomInserter = 1 in {
4824 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4825 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4827 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4830 let hasPostISelHook = 1, Constraints = "$newdst = $dst, $newsrc = $src" in {
4831 // %newsrc, %newdst = MEMCPY %dst, %src, N, ...N scratch regs...
4832 // Copies N registers worth of memory from address %src to address %dst
4833 // and returns the incremented addresses. N scratch register will
4834 // be attached for the copy to use.
4835 def MEMCPY : PseudoInst<
4836 (outs GPR:$newdst, GPR:$newsrc),
4837 (ins GPR:$dst, GPR:$src, i32imm:$nreg, variable_ops),
4839 [(set GPR:$newdst, GPR:$newsrc,
4840 (ARMmemcopy GPR:$dst, GPR:$src, imm:$nreg))]>;
4843 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4844 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4847 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4848 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4851 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4852 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4855 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4856 (int_arm_strex node:$val, node:$ptr), [{
4857 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4860 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4861 (int_arm_strex node:$val, node:$ptr), [{
4862 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4865 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4866 (int_arm_strex node:$val, node:$ptr), [{
4867 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4870 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4871 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4874 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4875 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4878 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4879 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4882 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4883 (int_arm_stlex node:$val, node:$ptr), [{
4884 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4887 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4888 (int_arm_stlex node:$val, node:$ptr), [{
4889 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4892 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4893 (int_arm_stlex node:$val, node:$ptr), [{
4894 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4897 let mayLoad = 1 in {
4898 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4899 NoItinerary, "ldrexb", "\t$Rt, $addr",
4900 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4901 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4902 NoItinerary, "ldrexh", "\t$Rt, $addr",
4903 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4904 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4905 NoItinerary, "ldrex", "\t$Rt, $addr",
4906 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4907 let hasExtraDefRegAllocReq = 1 in
4908 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4909 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4910 let DecoderMethod = "DecodeDoubleRegLoad";
4913 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4914 NoItinerary, "ldaexb", "\t$Rt, $addr",
4915 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4916 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4917 NoItinerary, "ldaexh", "\t$Rt, $addr",
4918 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4919 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4920 NoItinerary, "ldaex", "\t$Rt, $addr",
4921 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4922 let hasExtraDefRegAllocReq = 1 in
4923 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4924 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4925 let DecoderMethod = "DecodeDoubleRegLoad";
4929 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4930 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4931 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4932 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4933 addr_offset_none:$addr))]>;
4934 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4935 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4936 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4937 addr_offset_none:$addr))]>;
4938 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4939 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4940 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4941 addr_offset_none:$addr))]>;
4942 let hasExtraSrcRegAllocReq = 1 in
4943 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4944 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4945 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4946 let DecoderMethod = "DecodeDoubleRegStore";
4948 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4949 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4951 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4952 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4953 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4955 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4956 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4957 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4959 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4960 let hasExtraSrcRegAllocReq = 1 in
4961 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4962 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4963 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4964 let DecoderMethod = "DecodeDoubleRegStore";
4968 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4970 Requires<[IsARM, HasV6K]> {
4971 let Inst{31-0} = 0b11110101011111111111000000011111;
4974 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4975 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4976 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4977 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4979 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4980 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
4981 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4982 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
4984 class acquiring_load<PatFrag base>
4985 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4986 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4987 return isAcquireOrStronger(Ordering);
4990 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4991 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4992 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4994 class releasing_store<PatFrag base>
4995 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4996 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4997 return isReleaseOrStronger(Ordering);
5000 def atomic_store_release_8 : releasing_store<atomic_store_8>;
5001 def atomic_store_release_16 : releasing_store<atomic_store_16>;
5002 def atomic_store_release_32 : releasing_store<atomic_store_32>;
5004 let AddedComplexity = 8 in {
5005 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
5006 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
5007 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
5008 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
5009 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
5010 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
5013 // SWP/SWPB are deprecated in V6/V7 and optional in v7VE.
5014 // FIXME Use InstAlias to generate LDREX/STREX pairs instead.
5015 let mayLoad = 1, mayStore = 1 in {
5016 def SWP : AIswp<0, (outs GPRnopc:$Rt),
5017 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
5018 Requires<[IsARM,PreV8]>;
5019 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
5020 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
5021 Requires<[IsARM,PreV8]>;
5024 //===----------------------------------------------------------------------===//
5025 // Coprocessor Instructions.
5028 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5029 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
5030 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
5031 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
5032 imm:$CRm, imm:$opc2)]>,
5033 Requires<[IsARM,PreV8]> {
5041 let Inst{3-0} = CRm;
5043 let Inst{7-5} = opc2;
5044 let Inst{11-8} = cop;
5045 let Inst{15-12} = CRd;
5046 let Inst{19-16} = CRn;
5047 let Inst{23-20} = opc1;
5049 let DecoderNamespace = "CoProc";
5052 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5053 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
5054 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
5055 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
5056 imm:$CRm, imm:$opc2)]>,
5057 Requires<[IsARM,PreV8]> {
5058 let Inst{31-28} = 0b1111;
5066 let Inst{3-0} = CRm;
5068 let Inst{7-5} = opc2;
5069 let Inst{11-8} = cop;
5070 let Inst{15-12} = CRd;
5071 let Inst{19-16} = CRn;
5072 let Inst{23-20} = opc1;
5074 let DecoderNamespace = "CoProc";
5077 class ACI<dag oops, dag iops, string opc, string asm,
5078 list<dag> pattern, IndexMode im = IndexModeNone>
5079 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5080 opc, asm, "", pattern> {
5081 let Inst{27-25} = 0b110;
5083 class ACInoP<dag oops, dag iops, string opc, string asm,
5084 list<dag> pattern, IndexMode im = IndexModeNone>
5085 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5086 opc, asm, "", pattern> {
5087 let Inst{31-28} = 0b1111;
5088 let Inst{27-25} = 0b110;
5091 let DecoderNamespace = "CoProc" in {
5092 multiclass LdStCop<bit load, bit Dbit, string asm, list<dag> pattern> {
5093 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5094 asm, "\t$cop, $CRd, $addr", pattern> {
5098 let Inst{24} = 1; // P = 1
5099 let Inst{23} = addr{8};
5100 let Inst{22} = Dbit;
5101 let Inst{21} = 0; // W = 0
5102 let Inst{20} = load;
5103 let Inst{19-16} = addr{12-9};
5104 let Inst{15-12} = CRd;
5105 let Inst{11-8} = cop;
5106 let Inst{7-0} = addr{7-0};
5107 let DecoderMethod = "DecodeCopMemInstruction";
5109 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5110 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5114 let Inst{24} = 1; // P = 1
5115 let Inst{23} = addr{8};
5116 let Inst{22} = Dbit;
5117 let Inst{21} = 1; // W = 1
5118 let Inst{20} = load;
5119 let Inst{19-16} = addr{12-9};
5120 let Inst{15-12} = CRd;
5121 let Inst{11-8} = cop;
5122 let Inst{7-0} = addr{7-0};
5123 let DecoderMethod = "DecodeCopMemInstruction";
5125 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5126 postidx_imm8s4:$offset),
5127 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5132 let Inst{24} = 0; // P = 0
5133 let Inst{23} = offset{8};
5134 let Inst{22} = Dbit;
5135 let Inst{21} = 1; // W = 1
5136 let Inst{20} = load;
5137 let Inst{19-16} = addr;
5138 let Inst{15-12} = CRd;
5139 let Inst{11-8} = cop;
5140 let Inst{7-0} = offset{7-0};
5141 let DecoderMethod = "DecodeCopMemInstruction";
5143 def _OPTION : ACI<(outs),
5144 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5145 coproc_option_imm:$option),
5146 asm, "\t$cop, $CRd, $addr, $option", []> {
5151 let Inst{24} = 0; // P = 0
5152 let Inst{23} = 1; // U = 1
5153 let Inst{22} = Dbit;
5154 let Inst{21} = 0; // W = 0
5155 let Inst{20} = load;
5156 let Inst{19-16} = addr;
5157 let Inst{15-12} = CRd;
5158 let Inst{11-8} = cop;
5159 let Inst{7-0} = option;
5160 let DecoderMethod = "DecodeCopMemInstruction";
5163 multiclass LdSt2Cop<bit load, bit Dbit, string asm, list<dag> pattern> {
5164 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5165 asm, "\t$cop, $CRd, $addr", pattern> {
5169 let Inst{24} = 1; // P = 1
5170 let Inst{23} = addr{8};
5171 let Inst{22} = Dbit;
5172 let Inst{21} = 0; // W = 0
5173 let Inst{20} = load;
5174 let Inst{19-16} = addr{12-9};
5175 let Inst{15-12} = CRd;
5176 let Inst{11-8} = cop;
5177 let Inst{7-0} = addr{7-0};
5178 let DecoderMethod = "DecodeCopMemInstruction";
5180 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5181 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5185 let Inst{24} = 1; // P = 1
5186 let Inst{23} = addr{8};
5187 let Inst{22} = Dbit;
5188 let Inst{21} = 1; // W = 1
5189 let Inst{20} = load;
5190 let Inst{19-16} = addr{12-9};
5191 let Inst{15-12} = CRd;
5192 let Inst{11-8} = cop;
5193 let Inst{7-0} = addr{7-0};
5194 let DecoderMethod = "DecodeCopMemInstruction";
5196 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5197 postidx_imm8s4:$offset),
5198 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5203 let Inst{24} = 0; // P = 0
5204 let Inst{23} = offset{8};
5205 let Inst{22} = Dbit;
5206 let Inst{21} = 1; // W = 1
5207 let Inst{20} = load;
5208 let Inst{19-16} = addr;
5209 let Inst{15-12} = CRd;
5210 let Inst{11-8} = cop;
5211 let Inst{7-0} = offset{7-0};
5212 let DecoderMethod = "DecodeCopMemInstruction";
5214 def _OPTION : ACInoP<(outs),
5215 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5216 coproc_option_imm:$option),
5217 asm, "\t$cop, $CRd, $addr, $option", []> {
5222 let Inst{24} = 0; // P = 0
5223 let Inst{23} = 1; // U = 1
5224 let Inst{22} = Dbit;
5225 let Inst{21} = 0; // W = 0
5226 let Inst{20} = load;
5227 let Inst{19-16} = addr;
5228 let Inst{15-12} = CRd;
5229 let Inst{11-8} = cop;
5230 let Inst{7-0} = option;
5231 let DecoderMethod = "DecodeCopMemInstruction";
5235 defm LDC : LdStCop <1, 0, "ldc", [(int_arm_ldc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5236 defm LDCL : LdStCop <1, 1, "ldcl", [(int_arm_ldcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5237 defm LDC2 : LdSt2Cop<1, 0, "ldc2", [(int_arm_ldc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5238 defm LDC2L : LdSt2Cop<1, 1, "ldc2l", [(int_arm_ldc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5240 defm STC : LdStCop <0, 0, "stc", [(int_arm_stc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5241 defm STCL : LdStCop <0, 1, "stcl", [(int_arm_stcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5242 defm STC2 : LdSt2Cop<0, 0, "stc2", [(int_arm_stc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5243 defm STC2L : LdSt2Cop<0, 1, "stc2l", [(int_arm_stc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5245 } // DecoderNamespace = "CoProc"
5247 //===----------------------------------------------------------------------===//
5248 // Move between coprocessor and ARM core register.
5251 class MovRCopro<string opc, bit direction, dag oops, dag iops,
5253 : ABI<0b1110, oops, iops, NoItinerary, opc,
5254 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
5255 let Inst{20} = direction;
5265 let Inst{15-12} = Rt;
5266 let Inst{11-8} = cop;
5267 let Inst{23-21} = opc1;
5268 let Inst{7-5} = opc2;
5269 let Inst{3-0} = CRm;
5270 let Inst{19-16} = CRn;
5272 let DecoderNamespace = "CoProc";
5275 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
5277 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5278 c_imm:$CRm, imm0_7:$opc2),
5279 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5280 imm:$CRm, imm:$opc2)]>,
5281 ComplexDeprecationPredicate<"MCR">;
5282 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
5283 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5284 c_imm:$CRm, 0, pred:$p)>;
5285 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
5286 (outs GPRwithAPSR:$Rt),
5287 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5289 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
5290 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5291 c_imm:$CRm, 0, pred:$p)>;
5293 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
5294 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5296 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5298 : ABXI<0b1110, oops, iops, NoItinerary,
5299 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5300 let Inst{31-24} = 0b11111110;
5301 let Inst{20} = direction;
5311 let Inst{15-12} = Rt;
5312 let Inst{11-8} = cop;
5313 let Inst{23-21} = opc1;
5314 let Inst{7-5} = opc2;
5315 let Inst{3-0} = CRm;
5316 let Inst{19-16} = CRn;
5318 let DecoderNamespace = "CoProc";
5321 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5323 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5324 c_imm:$CRm, imm0_7:$opc2),
5325 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5326 imm:$CRm, imm:$opc2)]>,
5327 Requires<[IsARM,PreV8]>;
5328 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
5329 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5331 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5332 (outs GPRwithAPSR:$Rt),
5333 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5335 Requires<[IsARM,PreV8]>;
5336 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
5337 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5340 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5341 imm:$CRm, imm:$opc2),
5342 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5344 class MovRRCopro<string opc, bit direction, dag oops, dag iops, list<dag>
5346 : ABI<0b1100, oops, iops, NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
5349 let Inst{23-21} = 0b010;
5350 let Inst{20} = direction;
5358 let Inst{15-12} = Rt;
5359 let Inst{19-16} = Rt2;
5360 let Inst{11-8} = cop;
5361 let Inst{7-4} = opc1;
5362 let Inst{3-0} = CRm;
5365 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5366 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5367 GPRnopc:$Rt2, c_imm:$CRm),
5368 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5369 GPRnopc:$Rt2, imm:$CRm)]>;
5370 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */,
5371 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5372 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5374 class MovRRCopro2<string opc, bit direction, dag oops, dag iops,
5375 list<dag> pattern = []>
5376 : ABXI<0b1100, oops, iops, NoItinerary,
5377 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5378 Requires<[IsARM,PreV8]> {
5379 let Inst{31-28} = 0b1111;
5380 let Inst{23-21} = 0b010;
5381 let Inst{20} = direction;
5389 let Inst{15-12} = Rt;
5390 let Inst{19-16} = Rt2;
5391 let Inst{11-8} = cop;
5392 let Inst{7-4} = opc1;
5393 let Inst{3-0} = CRm;
5395 let DecoderMethod = "DecoderForMRRC2AndMCRR2";
5398 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5399 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5400 GPRnopc:$Rt2, c_imm:$CRm),
5401 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5402 GPRnopc:$Rt2, imm:$CRm)]>;
5404 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */,
5405 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5406 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5408 //===----------------------------------------------------------------------===//
5409 // Move between special register and ARM core register
5412 // Move to ARM core register from Special Register
5413 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5414 "mrs", "\t$Rd, apsr", []> {
5416 let Inst{23-16} = 0b00001111;
5417 let Unpredictable{19-17} = 0b111;
5419 let Inst{15-12} = Rd;
5421 let Inst{11-0} = 0b000000000000;
5422 let Unpredictable{11-0} = 0b110100001111;
5425 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p), 0>,
5428 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5429 // section B9.3.9, with the R bit set to 1.
5430 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5431 "mrs", "\t$Rd, spsr", []> {
5433 let Inst{23-16} = 0b01001111;
5434 let Unpredictable{19-16} = 0b1111;
5436 let Inst{15-12} = Rd;
5438 let Inst{11-0} = 0b000000000000;
5439 let Unpredictable{11-0} = 0b110100001111;
5442 // However, the MRS (banked register) system instruction (ARMv7VE) *does* have a
5443 // separate encoding (distinguished by bit 5.
5444 def MRSbanked : ABI<0b0001, (outs GPRnopc:$Rd), (ins banked_reg:$banked),
5445 NoItinerary, "mrs", "\t$Rd, $banked", []>,
5446 Requires<[IsARM, HasVirtualization]> {
5451 let Inst{22} = banked{5}; // R bit
5452 let Inst{21-20} = 0b00;
5453 let Inst{19-16} = banked{3-0};
5454 let Inst{15-12} = Rd;
5455 let Inst{11-9} = 0b001;
5456 let Inst{8} = banked{4};
5457 let Inst{7-0} = 0b00000000;
5460 // Move from ARM core register to Special Register
5462 // No need to have both system and application versions of MSR (immediate) or
5463 // MSR (register), the encodings are the same and the assembly parser has no way
5464 // to distinguish between them. The mask operand contains the special register
5465 // (R Bit) in bit 4 and bits 3-0 contains the mask with the fields to be
5466 // accessed in the special register.
5467 let Defs = [CPSR] in
5468 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5469 "msr", "\t$mask, $Rn", []> {
5474 let Inst{22} = mask{4}; // R bit
5475 let Inst{21-20} = 0b10;
5476 let Inst{19-16} = mask{3-0};
5477 let Inst{15-12} = 0b1111;
5478 let Inst{11-4} = 0b00000000;
5482 let Defs = [CPSR] in
5483 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, mod_imm:$imm), NoItinerary,
5484 "msr", "\t$mask, $imm", []> {
5489 let Inst{22} = mask{4}; // R bit
5490 let Inst{21-20} = 0b10;
5491 let Inst{19-16} = mask{3-0};
5492 let Inst{15-12} = 0b1111;
5493 let Inst{11-0} = imm;
5496 // However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
5497 // separate encoding (distinguished by bit 5.
5498 def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
5499 NoItinerary, "msr", "\t$banked, $Rn", []>,
5500 Requires<[IsARM, HasVirtualization]> {
5505 let Inst{22} = banked{5}; // R bit
5506 let Inst{21-20} = 0b10;
5507 let Inst{19-16} = banked{3-0};
5508 let Inst{15-12} = 0b1111;
5509 let Inst{11-9} = 0b001;
5510 let Inst{8} = banked{4};
5511 let Inst{7-4} = 0b0000;
5515 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5516 // are needed to probe the stack when allocating more than
5517 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5518 // ensure that the guard pages used by the OS virtual memory manager are
5519 // allocated in correct sequence.
5520 // The main point of having separate instruction are extra unmodelled effects
5521 // (compared to ordinary calls) like stack pointer change.
5523 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5524 [SDNPHasChain, SDNPSideEffect]>;
5525 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5526 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5528 def win__dbzchk : SDNode<"ARMISD::WIN__DBZCHK", SDT_WIN__DBZCHK,
5529 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
5530 let usesCustomInserter = 1, Defs = [CPSR] in
5531 def WIN__DBZCHK : PseudoInst<(outs), (ins tGPR:$divisor), NoItinerary,
5532 [(win__dbzchk tGPR:$divisor)]>;
5534 //===----------------------------------------------------------------------===//
5538 // __aeabi_read_tp preserves the registers r1-r3.
5539 // This is a pseudo inst so that we can get the encoding right,
5540 // complete with fixup for the aeabi_read_tp function.
5541 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5542 // is defined in "ARMInstrThumb.td".
5544 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5545 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5546 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>,
5547 Requires<[IsARM, IsReadTPSoft]>;
5550 // Reading thread pointer from coprocessor register
5551 def : ARMPat<(ARMthread_pointer), (MRC 15, 0, 13, 0, 3)>,
5552 Requires<[IsARM, IsReadTPHard]>;
5554 //===----------------------------------------------------------------------===//
5555 // SJLJ Exception handling intrinsics
5556 // eh_sjlj_setjmp() is an instruction sequence to store the return
5557 // address and save #0 in R0 for the non-longjmp case.
5558 // Since by its nature we may be coming from some other function to get
5559 // here, and we're using the stack frame for the containing function to
5560 // save/restore registers, we can't keep anything live in regs across
5561 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5562 // when we get here from a longjmp(). We force everything out of registers
5563 // except for our own input by listing the relevant registers in Defs. By
5564 // doing so, we also cause the prologue/epilogue code to actively preserve
5565 // all of the callee-saved resgisters, which is exactly what we want.
5566 // A constant value is passed in $val, and we use the location as a scratch.
5568 // These are pseudo-instructions and are lowered to individual MC-insts, so
5569 // no encoding information is necessary.
5571 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5572 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5573 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5574 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5576 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5577 Requires<[IsARM, HasVFP2]>;
5581 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5582 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5583 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5585 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5586 Requires<[IsARM, NoVFP]>;
5589 // FIXME: Non-IOS version(s)
5590 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5591 Defs = [ R7, LR, SP ] in {
5592 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5594 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5598 let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1 in
5599 def Int_eh_sjlj_setup_dispatch : PseudoInst<(outs), (ins), NoItinerary,
5600 [(ARMeh_sjlj_setup_dispatch)]>;
5602 // eh.sjlj.dispatchsetup pseudo-instruction.
5603 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5604 // the pseudo is expanded (which happens before any passes that need the
5605 // instruction size).
5606 let isBarrier = 1 in
5607 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5610 //===----------------------------------------------------------------------===//
5611 // Non-Instruction Patterns
5614 // ARMv4 indirect branch using (MOVr PC, dst)
5615 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5616 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5617 4, IIC_Br, [(brind GPR:$dst)],
5618 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5619 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5621 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in
5622 def TAILJMPr4 : ARMPseudoExpand<(outs), (ins GPR:$dst),
5624 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5625 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5627 // Large immediate handling.
5629 // 32-bit immediate using two piece mod_imms or movw + movt.
5630 // This is a single pseudo instruction, the benefit is that it can be remat'd
5631 // as a single unit instead of having to handle reg inputs.
5632 // FIXME: Remove this when we can do generalized remat.
5633 let isReMaterializable = 1, isMoveImm = 1 in
5634 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5635 [(set GPR:$dst, (arm_i32imm:$src))]>,
5638 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5639 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5640 Requires<[IsARM, DontUseMovt]>;
5642 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5643 // It also makes it possible to rematerialize the instructions.
5644 // FIXME: Remove this when we can do generalized remat and when machine licm
5645 // can properly the instructions.
5646 let isReMaterializable = 1 in {
5647 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5649 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5650 Requires<[IsARM, UseMovtInPic]>;
5652 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5655 (ARMWrapperPIC tglobaladdr:$addr))]>,
5656 Requires<[IsARM, DontUseMovtInPic]>;
5658 let AddedComplexity = 10 in
5659 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5662 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5663 Requires<[IsARM, DontUseMovtInPic]>;
5665 let AddedComplexity = 10 in
5666 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5668 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5669 Requires<[IsARM, UseMovtInPic]>;
5670 } // isReMaterializable
5672 // The many different faces of TLS access.
5673 def : ARMPat<(ARMWrapper tglobaltlsaddr :$dst),
5674 (MOVi32imm tglobaltlsaddr :$dst)>,
5675 Requires<[IsARM, UseMovt]>;
5677 def : Pat<(ARMWrapper tglobaltlsaddr:$src),
5678 (LDRLIT_ga_abs tglobaltlsaddr:$src)>,
5679 Requires<[IsARM, DontUseMovt]>;
5681 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5682 (MOV_ga_pcrel tglobaltlsaddr:$addr)>, Requires<[IsARM, UseMovtInPic]>;
5684 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5685 (LDRLIT_ga_pcrel tglobaltlsaddr:$addr)>,
5686 Requires<[IsARM, DontUseMovtInPic]>;
5687 let AddedComplexity = 10 in
5688 def : Pat<(load (ARMWrapperPIC tglobaltlsaddr:$addr)),
5689 (MOV_ga_pcrel_ldr tglobaltlsaddr:$addr)>,
5690 Requires<[IsARM, UseMovtInPic]>;
5693 // ConstantPool, GlobalAddress, and JumpTable
5694 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5695 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5696 Requires<[IsARM, UseMovt]>;
5697 def : ARMPat<(ARMWrapper texternalsym :$dst), (MOVi32imm texternalsym :$dst)>,
5698 Requires<[IsARM, UseMovt]>;
5699 def : ARMPat<(ARMWrapperJT tjumptable:$dst),
5700 (LEApcrelJT tjumptable:$dst)>;
5702 // TODO: add,sub,and, 3-instr forms?
5704 // Tail calls. These patterns also apply to Thumb mode.
5705 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5706 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5707 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5710 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5711 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5712 (BMOVPCB_CALL texternalsym:$func)>;
5714 // zextload i1 -> zextload i8
5715 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5716 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5718 // extload -> zextload
5719 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5720 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5721 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5722 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5724 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5726 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5727 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5730 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5731 (SMULBB GPR:$a, GPR:$b)>,
5732 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5733 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5734 (SMULBT GPR:$a, GPR:$b)>,
5735 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5736 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5737 (SMULTB GPR:$a, GPR:$b)>,
5738 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5739 def : ARMV5MOPat<(add GPR:$acc,
5740 (mul sext_16_node:$a, sext_16_node:$b)),
5741 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>,
5742 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5743 def : ARMV5MOPat<(add GPR:$acc,
5744 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5745 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>,
5746 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5747 def : ARMV5MOPat<(add GPR:$acc,
5748 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5749 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>,
5750 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5752 def : ARMV5TEPat<(int_arm_smulbb GPR:$a, GPR:$b),
5753 (SMULBB GPR:$a, GPR:$b)>;
5754 def : ARMV5TEPat<(int_arm_smulbt GPR:$a, GPR:$b),
5755 (SMULBT GPR:$a, GPR:$b)>;
5756 def : ARMV5TEPat<(int_arm_smultb GPR:$a, GPR:$b),
5757 (SMULTB GPR:$a, GPR:$b)>;
5758 def : ARMV5TEPat<(int_arm_smultt GPR:$a, GPR:$b),
5759 (SMULTT GPR:$a, GPR:$b)>;
5760 def : ARMV5TEPat<(int_arm_smulwb GPR:$a, GPR:$b),
5761 (SMULWB GPR:$a, GPR:$b)>;
5762 def : ARMV5TEPat<(int_arm_smulwt GPR:$a, GPR:$b),
5763 (SMULWT GPR:$a, GPR:$b)>;
5765 def : ARMV5TEPat<(int_arm_smlabb GPR:$a, GPR:$b, GPR:$acc),
5766 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5767 def : ARMV5TEPat<(int_arm_smlabt GPR:$a, GPR:$b, GPR:$acc),
5768 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5769 def : ARMV5TEPat<(int_arm_smlatb GPR:$a, GPR:$b, GPR:$acc),
5770 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5771 def : ARMV5TEPat<(int_arm_smlatt GPR:$a, GPR:$b, GPR:$acc),
5772 (SMLATT GPR:$a, GPR:$b, GPR:$acc)>;
5773 def : ARMV5TEPat<(int_arm_smlawb GPR:$a, GPR:$b, GPR:$acc),
5774 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5775 def : ARMV5TEPat<(int_arm_smlawt GPR:$a, GPR:$b, GPR:$acc),
5776 (SMLAWT GPR:$a, GPR:$b, GPR:$acc)>;
5778 // Pre-v7 uses MCR for synchronization barriers.
5779 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5780 Requires<[IsARM, HasV6]>;
5782 // SXT/UXT with no rotate
5783 let AddedComplexity = 16 in {
5784 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5785 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5786 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5787 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5788 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5789 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5790 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5793 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5794 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5796 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5797 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5798 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5799 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5801 // Atomic load/store patterns
5802 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5803 (LDRBrs ldst_so_reg:$src)>;
5804 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5805 (LDRBi12 addrmode_imm12:$src)>;
5806 def : ARMPat<(atomic_load_16 addrmode3:$src),
5807 (LDRH addrmode3:$src)>;
5808 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5809 (LDRrs ldst_so_reg:$src)>;
5810 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5811 (LDRi12 addrmode_imm12:$src)>;
5812 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5813 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5814 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5815 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5816 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5817 (STRH GPR:$val, addrmode3:$ptr)>;
5818 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5819 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5820 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5821 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5824 //===----------------------------------------------------------------------===//
5828 include "ARMInstrThumb.td"
5830 //===----------------------------------------------------------------------===//
5834 include "ARMInstrThumb2.td"
5836 //===----------------------------------------------------------------------===//
5837 // Floating Point Support
5840 include "ARMInstrVFP.td"
5842 //===----------------------------------------------------------------------===//
5843 // Advanced SIMD (NEON) Support
5846 include "ARMInstrNEON.td"
5848 //===----------------------------------------------------------------------===//
5849 // Assembler aliases
5853 def : InstAlias<"dmb", (DMB 0xf), 0>, Requires<[IsARM, HasDB]>;
5854 def : InstAlias<"dsb", (DSB 0xf), 0>, Requires<[IsARM, HasDB]>;
5855 def : InstAlias<"isb", (ISB 0xf), 0>, Requires<[IsARM, HasDB]>;
5856 // Armv8-R 'Data Full Barrier'
5857 def : InstAlias<"dfb", (DSB 0xc), 1>, Requires<[IsARM, HasDFB]>;
5859 // System instructions
5860 def : MnemonicAlias<"swi", "svc">;
5862 // Load / Store Multiple
5863 def : MnemonicAlias<"ldmfd", "ldm">;
5864 def : MnemonicAlias<"ldmia", "ldm">;
5865 def : MnemonicAlias<"ldmea", "ldmdb">;
5866 def : MnemonicAlias<"stmfd", "stmdb">;
5867 def : MnemonicAlias<"stmia", "stm">;
5868 def : MnemonicAlias<"stmea", "stm">;
5870 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
5871 // input operands swapped when the shift amount is zero (i.e., unspecified).
5872 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5873 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p), 0>,
5874 Requires<[IsARM, HasV6]>;
5875 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5876 (PKHBT GPRnopc:$Rd, GPRnopc:$Rm, GPRnopc:$Rn, 0, pred:$p), 0>,
5877 Requires<[IsARM, HasV6]>;
5879 // PUSH/POP aliases for STM/LDM
5880 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5881 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5883 // SSAT/USAT optional shift operand.
5884 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5885 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5886 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5887 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5890 // Extend instruction optional rotate operand.
5891 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5892 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5893 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5894 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5895 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5896 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5897 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5898 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5899 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5900 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5901 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5902 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5904 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5905 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5906 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5907 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5908 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5909 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5910 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5911 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5912 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5913 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5914 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5915 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5919 def : MnemonicAlias<"rfefa", "rfeda">;
5920 def : MnemonicAlias<"rfeea", "rfedb">;
5921 def : MnemonicAlias<"rfefd", "rfeia">;
5922 def : MnemonicAlias<"rfeed", "rfeib">;
5923 def : MnemonicAlias<"rfe", "rfeia">;
5926 def : MnemonicAlias<"srsfa", "srsib">;
5927 def : MnemonicAlias<"srsea", "srsia">;
5928 def : MnemonicAlias<"srsfd", "srsdb">;
5929 def : MnemonicAlias<"srsed", "srsda">;
5930 def : MnemonicAlias<"srs", "srsia">;
5933 def : MnemonicAlias<"qsubaddx", "qsax">;
5935 def : MnemonicAlias<"saddsubx", "sasx">;
5936 // SHASX == SHADDSUBX
5937 def : MnemonicAlias<"shaddsubx", "shasx">;
5938 // SHSAX == SHSUBADDX
5939 def : MnemonicAlias<"shsubaddx", "shsax">;
5941 def : MnemonicAlias<"ssubaddx", "ssax">;
5943 def : MnemonicAlias<"uaddsubx", "uasx">;
5944 // UHASX == UHADDSUBX
5945 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5946 // UHSAX == UHSUBADDX
5947 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5948 // UQASX == UQADDSUBX
5949 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5950 // UQSAX == UQSUBADDX
5951 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5953 def : MnemonicAlias<"usubaddx", "usax">;
5955 // "mov Rd, mod_imm_not" can be handled via "mvn" in assembly, just like
5957 def : ARMInstSubst<"mov${s}${p} $Rd, $imm",
5958 (MVNi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5959 def : ARMInstSubst<"mvn${s}${p} $Rd, $imm",
5960 (MOVi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5961 // Same for AND <--> BIC
5962 def : ARMInstSubst<"bic${s}${p} $Rd, $Rn, $imm",
5963 (ANDri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5964 pred:$p, cc_out:$s)>;
5965 def : ARMInstSubst<"bic${s}${p} $Rdn, $imm",
5966 (ANDri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5967 pred:$p, cc_out:$s)>;
5968 def : ARMInstSubst<"and${s}${p} $Rd, $Rn, $imm",
5969 (BICri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5970 pred:$p, cc_out:$s)>;
5971 def : ARMInstSubst<"and${s}${p} $Rdn, $imm",
5972 (BICri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5973 pred:$p, cc_out:$s)>;
5975 // Likewise, "add Rd, mod_imm_neg" -> sub
5976 def : ARMInstSubst<"add${s}${p} $Rd, $Rn, $imm",
5977 (SUBri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5978 def : ARMInstSubst<"add${s}${p} $Rd, $imm",
5979 (SUBri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5980 // Likewise, "sub Rd, mod_imm_neg" -> add
5981 def : ARMInstSubst<"sub${s}${p} $Rd, $Rn, $imm",
5982 (ADDri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5983 def : ARMInstSubst<"sub${s}${p} $Rd, $imm",
5984 (ADDri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5987 def : ARMInstSubst<"adc${s}${p} $Rd, $Rn, $imm",
5988 (SBCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5989 def : ARMInstSubst<"adc${s}${p} $Rdn, $imm",
5990 (SBCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5991 def : ARMInstSubst<"sbc${s}${p} $Rd, $Rn, $imm",
5992 (ADCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5993 def : ARMInstSubst<"sbc${s}${p} $Rdn, $imm",
5994 (ADCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5996 // Same for CMP <--> CMN via mod_imm_neg
5997 def : ARMInstSubst<"cmp${p} $Rd, $imm",
5998 (CMNri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5999 def : ARMInstSubst<"cmn${p} $Rd, $imm",
6000 (CMPri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
6002 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
6003 // LSR, ROR, and RRX instructions.
6004 // FIXME: We need C++ parser hooks to map the alias to the MOV
6005 // encoding. It seems we should be able to do that sort of thing
6006 // in tblgen, but it could get ugly.
6007 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
6008 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
6009 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
6011 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
6012 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
6014 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
6015 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
6017 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
6018 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
6021 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
6022 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
6023 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
6024 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
6025 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6027 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
6028 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6030 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
6031 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6033 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
6034 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6038 // "neg" is and alias for "rsb rd, rn, #0"
6039 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
6040 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
6042 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
6043 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
6044 Requires<[IsARM, NoV6]>;
6046 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
6047 // the instruction definitions need difference constraints pre-v6.
6048 // Use these aliases for the assembly parsing on pre-v6.
6049 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
6050 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s), 0>,
6051 Requires<[IsARM, NoV6]>;
6052 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
6053 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
6054 pred:$p, cc_out:$s), 0>,
6055 Requires<[IsARM, NoV6]>;
6056 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6057 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6058 Requires<[IsARM, NoV6]>;
6059 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6060 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6061 Requires<[IsARM, NoV6]>;
6062 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6063 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6064 Requires<[IsARM, NoV6]>;
6065 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6066 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6067 Requires<[IsARM, NoV6]>;
6069 // 'it' blocks in ARM mode just validate the predicates. The IT itself
6071 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
6072 ComplexDeprecationPredicate<"IT">;
6074 let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
6075 def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
6077 [(set GPR:$Rd, (int_arm_space imm:$size, GPR:$Rn))]>;
6079 //===----------------------------------
6080 // Atomic cmpxchg for -O0
6081 //===----------------------------------
6083 // The fast register allocator used during -O0 inserts spills to cover any VRegs
6084 // live across basic block boundaries. When this happens between an LDXR and an
6085 // STXR it can clear the exclusive monitor, causing all cmpxchg attempts to
6088 // Unfortunately, this means we have to have an alternative (expanded
6089 // post-regalloc) path for -O0 compilations. Fortunately this path can be
6090 // significantly more naive than the standard expansion: we conservatively
6091 // assume seq_cst, strong cmpxchg and omit clrex on failure.
6093 let Constraints = "@earlyclobber $Rd,@earlyclobber $temp",
6094 mayLoad = 1, mayStore = 1 in {
6095 def CMP_SWAP_8 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6096 (ins GPR:$addr, GPR:$desired, GPR:$new),
6097 NoItinerary, []>, Sched<[]>;
6099 def CMP_SWAP_16 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6100 (ins GPR:$addr, GPR:$desired, GPR:$new),
6101 NoItinerary, []>, Sched<[]>;
6103 def CMP_SWAP_32 : PseudoInst<(outs GPR:$Rd, GPR:$temp),
6104 (ins GPR:$addr, GPR:$desired, GPR:$new),
6105 NoItinerary, []>, Sched<[]>;
6107 def CMP_SWAP_64 : PseudoInst<(outs GPRPair:$Rd, GPR:$temp),
6108 (ins GPR:$addr, GPRPair:$desired, GPRPair:$new),
6109 NoItinerary, []>, Sched<[]>;
6112 def CompilerBarrier : PseudoInst<(outs), (ins i32imm:$ordering), NoItinerary,
6113 [(atomic_fence imm:$ordering, 0)]> {
6114 let hasSideEffects = 1;
6116 let AsmString = "@ COMPILER BARRIER";