1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
21 def SDT_ARMStructByVal : SDTypeProfile<0, 4,
22 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
23 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
25 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
27 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
29 def SDT_ARMCMov : SDTypeProfile<1, 3,
30 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
33 def SDT_ARMBrcond : SDTypeProfile<0, 2,
34 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
36 def SDT_ARMBrJT : SDTypeProfile<0, 2,
37 [SDTCisPtrTy<0>, SDTCisVT<1, i32>]>;
39 def SDT_ARMBr2JT : SDTypeProfile<0, 3,
40 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
43 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
45 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
46 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
47 SDTCisVT<5, OtherVT>]>;
49 def SDT_ARMAnd : SDTypeProfile<1, 2,
50 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
53 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
54 def SDT_ARMFCmp : SDTypeProfile<0, 3, [SDTCisSameAs<0, 1>,
57 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
58 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
60 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
61 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
63 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
64 def SDT_ARMEH_SJLJ_SetupDispatch: SDTypeProfile<0, 0, []>;
66 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
68 def SDT_ARMPREFETCH : SDTypeProfile<0, 3, [SDTCisPtrTy<0>, SDTCisSameAs<1, 2>,
71 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
73 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
74 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
76 def SDT_WIN__DBZCHK : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
78 def SDT_ARMMEMCPY : SDTypeProfile<2, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
79 SDTCisVT<2, i32>, SDTCisVT<3, i32>,
82 def SDTBinaryArithWithFlags : SDTypeProfile<2, 2,
85 SDTCisInt<0>, SDTCisVT<1, i32>]>;
87 // SDTBinaryArithWithFlagsInOut - RES1, CPSR = op LHS, RHS, CPSR
88 def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
95 def SDT_LongMac : SDTypeProfile<2, 4, [SDTCisVT<0, i32>,
100 SDTCisSameAs<0, 5>]>;
102 def ARMSmlald : SDNode<"ARMISD::SMLALD", SDT_LongMac>;
103 def ARMSmlaldx : SDNode<"ARMISD::SMLALDX", SDT_LongMac>;
104 def ARMSmlsld : SDNode<"ARMISD::SMLSLD", SDT_LongMac>;
105 def ARMSmlsldx : SDNode<"ARMISD::SMLSLDX", SDT_LongMac>;
108 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
109 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
110 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntUnaryOp>;
112 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
113 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
114 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
115 [SDNPHasChain, SDNPSideEffect,
116 SDNPOptInGlue, SDNPOutGlue]>;
117 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
119 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
120 SDNPMayStore, SDNPMayLoad]>;
122 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
123 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
125 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
126 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
128 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
129 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
132 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
133 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
134 def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
135 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
136 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
139 def ARMssatnoshift : SDNode<"ARMISD::SSAT", SDTIntSatNoShOp, []>;
141 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
142 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
144 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
146 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
149 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
152 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
155 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
158 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
159 [SDNPOutGlue, SDNPCommutative]>;
161 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
163 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
164 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
165 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
167 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
169 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
170 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
171 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
173 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
174 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
175 SDT_ARMEH_SJLJ_Setjmp,
176 [SDNPHasChain, SDNPSideEffect]>;
177 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
178 SDT_ARMEH_SJLJ_Longjmp,
179 [SDNPHasChain, SDNPSideEffect]>;
180 def ARMeh_sjlj_setup_dispatch: SDNode<"ARMISD::EH_SJLJ_SETUP_DISPATCH",
181 SDT_ARMEH_SJLJ_SetupDispatch,
182 [SDNPHasChain, SDNPSideEffect]>;
184 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
185 [SDNPHasChain, SDNPSideEffect]>;
186 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
187 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
189 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
190 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
192 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
194 def ARMmemcopy : SDNode<"ARMISD::MEMCPY", SDT_ARMMEMCPY,
195 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
196 SDNPMayStore, SDNPMayLoad]>;
198 def ARMsmulwb : SDNode<"ARMISD::SMULWB", SDTIntBinOp, []>;
199 def ARMsmulwt : SDNode<"ARMISD::SMULWT", SDTIntBinOp, []>;
200 def ARMsmlalbb : SDNode<"ARMISD::SMLALBB", SDT_LongMac, []>;
201 def ARMsmlalbt : SDNode<"ARMISD::SMLALBT", SDT_LongMac, []>;
202 def ARMsmlaltb : SDNode<"ARMISD::SMLALTB", SDT_LongMac, []>;
203 def ARMsmlaltt : SDNode<"ARMISD::SMLALTT", SDT_LongMac, []>;
205 //===----------------------------------------------------------------------===//
206 // ARM Instruction Predicate Definitions.
208 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
209 AssemblerPredicate<"HasV4TOps", "armv4t">;
210 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
211 def HasV5T : Predicate<"Subtarget->hasV5TOps()">,
212 AssemblerPredicate<"HasV5TOps", "armv5t">;
213 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
214 AssemblerPredicate<"HasV5TEOps", "armv5te">;
215 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
216 AssemblerPredicate<"HasV6Ops", "armv6">;
217 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
218 def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
219 AssemblerPredicate<"HasV6MOps",
220 "armv6m or armv6t2">;
221 def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">,
222 AssemblerPredicate<"HasV8MBaselineOps",
224 def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">,
225 AssemblerPredicate<"HasV8MMainlineOps",
227 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
228 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
229 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
230 def HasV6K : Predicate<"Subtarget->hasV6KOps()">,
231 AssemblerPredicate<"HasV6KOps", "armv6k">;
232 def NoV6K : Predicate<"!Subtarget->hasV6KOps()">;
233 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
234 AssemblerPredicate<"HasV7Ops", "armv7">;
235 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
236 AssemblerPredicate<"HasV8Ops", "armv8">;
237 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
238 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
239 def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">,
240 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
241 def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">,
242 AssemblerPredicate<"HasV8_2aOps", "armv8.2a">;
243 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
244 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
245 AssemblerPredicate<"FeatureVFP2", "VFP2">;
246 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
247 AssemblerPredicate<"FeatureVFP3", "VFP3">;
248 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
249 AssemblerPredicate<"FeatureVFP4", "VFP4">;
250 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
251 AssemblerPredicate<"!FeatureVFPOnlySP",
252 "double precision VFP">;
253 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
254 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
255 def HasNEON : Predicate<"Subtarget->hasNEON()">,
256 AssemblerPredicate<"FeatureNEON", "NEON">;
257 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
258 AssemblerPredicate<"FeatureCrypto", "crypto">;
259 def HasCRC : Predicate<"Subtarget->hasCRC()">,
260 AssemblerPredicate<"FeatureCRC", "crc">;
261 def HasRAS : Predicate<"Subtarget->hasRAS()">,
262 AssemblerPredicate<"FeatureRAS", "ras">;
263 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
264 AssemblerPredicate<"FeatureFP16","half-float conversions">;
265 def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">,
266 AssemblerPredicate<"FeatureFullFP16","full half-float">;
267 def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">,
268 AssemblerPredicate<"FeatureHWDivThumb", "divide in THUMB">;
269 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
270 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
271 def HasDSP : Predicate<"Subtarget->hasDSP()">,
272 AssemblerPredicate<"FeatureDSP", "dsp">;
273 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
274 AssemblerPredicate<"FeatureDB",
276 def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">,
277 AssemblerPredicate<"FeatureV7Clrex",
279 def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">,
280 AssemblerPredicate<"FeatureAcquireRelease",
282 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
283 AssemblerPredicate<"FeatureMP",
285 def HasVirtualization: Predicate<"false">,
286 AssemblerPredicate<"FeatureVirtualization",
287 "virtualization-extensions">;
288 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
289 AssemblerPredicate<"FeatureTrustZone",
291 def Has8MSecExt : Predicate<"Subtarget->has8MSecExt()">,
292 AssemblerPredicate<"Feature8MSecExt",
293 "ARMv8-M Security Extensions">;
294 def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">;
295 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
296 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
297 def IsThumb : Predicate<"Subtarget->isThumb()">,
298 AssemblerPredicate<"ModeThumb", "thumb">;
299 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
300 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
301 AssemblerPredicate<"ModeThumb,FeatureThumb2",
303 def IsMClass : Predicate<"Subtarget->isMClass()">,
304 AssemblerPredicate<"FeatureMClass", "armv*m">;
305 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
306 AssemblerPredicate<"!FeatureMClass",
308 def IsARM : Predicate<"!Subtarget->isThumb()">,
309 AssemblerPredicate<"!ModeThumb", "arm-mode">;
310 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
311 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
312 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
313 def IsWindows : Predicate<"Subtarget->isTargetWindows()">;
314 def IsNotWindows : Predicate<"!Subtarget->isTargetWindows()">;
315 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
316 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
317 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
319 def UseNegativeImmediates :
321 AssemblerPredicate<"!FeatureNoNegativeImmediates",
322 "NegativeImmediates">;
324 // FIXME: Eventually this will be just "hasV6T2Ops".
325 let RecomputePerFunction = 1 in {
326 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
327 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
329 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
330 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
332 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
333 // But only select them if more precision in FP computation is allowed.
334 // Do not use them for Darwin platforms.
335 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
336 " FPOpFusion::Fast && "
337 " Subtarget->hasVFP4()) && "
338 "!Subtarget->isTargetDarwin()">;
339 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
340 " FPOpFusion::Fast &&"
341 " Subtarget->hasVFP4()) || "
342 "Subtarget->isTargetDarwin()">;
344 def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
345 def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
347 def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
348 def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
350 def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
351 "!Subtarget->useNEONForSinglePrecisionFP()">;
352 def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
353 "Subtarget->useNEONForSinglePrecisionFP()">;
355 let RecomputePerFunction = 1 in {
356 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">;
357 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">;
360 def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">;
362 //===----------------------------------------------------------------------===//
363 // ARM Flag Definitions.
365 class RegConstraint<string C> {
366 string Constraints = C;
369 //===----------------------------------------------------------------------===//
370 // ARM specific transformation functions and pattern fragments.
373 // imm_neg_XFORM - Return the negation of an i32 immediate value.
374 def imm_neg_XFORM : SDNodeXForm<imm, [{
375 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), SDLoc(N), MVT::i32);
378 // imm_not_XFORM - Return the complement of a i32 immediate value.
379 def imm_not_XFORM : SDNodeXForm<imm, [{
380 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), SDLoc(N), MVT::i32);
383 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
384 def imm16_31 : ImmLeaf<i32, [{
385 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
388 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
389 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
390 if (CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17)
393 if (N->getOpcode() != ISD::SRA)
395 if (N->getOperand(0).getOpcode() != ISD::SHL)
398 auto *ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(1));
399 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
402 ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(0)->getOperand(1));
403 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
409 /// Split a 32-bit immediate into two 16 bit parts.
410 def hi16 : SDNodeXForm<imm, [{
411 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, SDLoc(N),
415 def lo16AllZero : PatLeaf<(i32 imm), [{
416 // Returns true if all low 16-bits are 0.
417 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
420 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
421 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
423 // An 'and' node with a single use.
424 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
425 return N->hasOneUse();
428 // An 'xor' node with a single use.
429 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
430 return N->hasOneUse();
433 // An 'fmul' node with a single use.
434 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
435 return N->hasOneUse();
438 // An 'fadd' node which checks for single non-hazardous use.
439 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
440 return hasNoVMLxHazardUse(N);
443 // An 'fsub' node which checks for single non-hazardous use.
444 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
445 return hasNoVMLxHazardUse(N);
448 //===----------------------------------------------------------------------===//
449 // Operand Definitions.
452 // Immediate operands with a shared generic asm render method.
453 class ImmAsmOperand<int Low, int High> : AsmOperandClass {
454 let RenderMethod = "addImmOperands";
455 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
456 let DiagnosticType = "ImmRange" # Low # "_" # High;
459 class ImmAsmOperandMinusOne<int Low, int High> : AsmOperandClass {
460 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
461 let DiagnosticType = "ImmRange" # Low # "_" # High;
464 // Operands that are part of a memory addressing mode.
465 class MemOperand : Operand<i32> { let OperandType = "OPERAND_MEMORY"; }
468 // FIXME: rename brtarget to t2_brtarget
469 def brtarget : Operand<OtherVT> {
470 let EncoderMethod = "getBranchTargetOpValue";
471 let OperandType = "OPERAND_PCREL";
472 let DecoderMethod = "DecodeT2BROperand";
475 // Branches targeting ARM-mode must be divisible by 4 if they're a raw
477 def ARMBranchTarget : AsmOperandClass {
478 let Name = "ARMBranchTarget";
481 // Branches targeting Thumb-mode must be divisible by 2 if they're a raw
483 def ThumbBranchTarget : AsmOperandClass {
484 let Name = "ThumbBranchTarget";
487 def arm_br_target : Operand<OtherVT> {
488 let ParserMatchClass = ARMBranchTarget;
489 let EncoderMethod = "getARMBranchTargetOpValue";
490 let OperandType = "OPERAND_PCREL";
493 // Call target for ARM. Handles conditional/unconditional
494 // FIXME: rename bl_target to t2_bltarget?
495 def arm_bl_target : Operand<i32> {
496 let ParserMatchClass = ARMBranchTarget;
497 let EncoderMethod = "getARMBLTargetOpValue";
498 let OperandType = "OPERAND_PCREL";
501 // Target for BLX *from* ARM mode.
502 def arm_blx_target : Operand<i32> {
503 let ParserMatchClass = ThumbBranchTarget;
504 let EncoderMethod = "getARMBLXTargetOpValue";
505 let OperandType = "OPERAND_PCREL";
508 // A list of registers separated by comma. Used by load/store multiple.
509 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
510 def reglist : Operand<i32> {
511 let EncoderMethod = "getRegisterListOpValue";
512 let ParserMatchClass = RegListAsmOperand;
513 let PrintMethod = "printRegisterList";
514 let DecoderMethod = "DecodeRegListOperand";
517 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
519 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
520 def dpr_reglist : Operand<i32> {
521 let EncoderMethod = "getRegisterListOpValue";
522 let ParserMatchClass = DPRRegListAsmOperand;
523 let PrintMethod = "printRegisterList";
524 let DecoderMethod = "DecodeDPRRegListOperand";
527 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
528 def spr_reglist : Operand<i32> {
529 let EncoderMethod = "getRegisterListOpValue";
530 let ParserMatchClass = SPRRegListAsmOperand;
531 let PrintMethod = "printRegisterList";
532 let DecoderMethod = "DecodeSPRRegListOperand";
535 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
536 def cpinst_operand : Operand<i32> {
537 let PrintMethod = "printCPInstOperand";
541 def pclabel : Operand<i32> {
542 let PrintMethod = "printPCLabel";
545 // ADR instruction labels.
546 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
547 def adrlabel : Operand<i32> {
548 let EncoderMethod = "getAdrLabelOpValue";
549 let ParserMatchClass = AdrLabelAsmOperand;
550 let PrintMethod = "printAdrLabelOperand<0>";
553 def neon_vcvt_imm32 : Operand<i32> {
554 let EncoderMethod = "getNEONVcvtImm32OpValue";
555 let DecoderMethod = "DecodeVCVTImmOperand";
558 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
559 def rot_imm_XFORM: SDNodeXForm<imm, [{
560 switch (N->getZExtValue()){
561 default: llvm_unreachable(nullptr);
562 case 0: return CurDAG->getTargetConstant(0, SDLoc(N), MVT::i32);
563 case 8: return CurDAG->getTargetConstant(1, SDLoc(N), MVT::i32);
564 case 16: return CurDAG->getTargetConstant(2, SDLoc(N), MVT::i32);
565 case 24: return CurDAG->getTargetConstant(3, SDLoc(N), MVT::i32);
568 def RotImmAsmOperand : AsmOperandClass {
570 let ParserMethod = "parseRotImm";
572 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
573 int32_t v = N->getZExtValue();
574 return v == 8 || v == 16 || v == 24; }],
576 let PrintMethod = "printRotImmOperand";
577 let ParserMatchClass = RotImmAsmOperand;
580 // shift_imm: An integer that encodes a shift amount and the type of shift
581 // (asr or lsl). The 6-bit immediate encodes as:
584 // {4-0} imm5 shift amount.
585 // asr #32 encoded as imm5 == 0.
586 def ShifterImmAsmOperand : AsmOperandClass {
587 let Name = "ShifterImm";
588 let ParserMethod = "parseShifterImm";
590 def shift_imm : Operand<i32> {
591 let PrintMethod = "printShiftImmOperand";
592 let ParserMatchClass = ShifterImmAsmOperand;
595 // shifter_operand operands: so_reg_reg, so_reg_imm, and mod_imm.
596 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
597 def so_reg_reg : Operand<i32>, // reg reg imm
598 ComplexPattern<i32, 3, "SelectRegShifterOperand",
599 [shl, srl, sra, rotr]> {
600 let EncoderMethod = "getSORegRegOpValue";
601 let PrintMethod = "printSORegRegOperand";
602 let DecoderMethod = "DecodeSORegRegOperand";
603 let ParserMatchClass = ShiftedRegAsmOperand;
604 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
607 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
608 def so_reg_imm : Operand<i32>, // reg imm
609 ComplexPattern<i32, 2, "SelectImmShifterOperand",
610 [shl, srl, sra, rotr]> {
611 let EncoderMethod = "getSORegImmOpValue";
612 let PrintMethod = "printSORegImmOperand";
613 let DecoderMethod = "DecodeSORegImmOperand";
614 let ParserMatchClass = ShiftedImmAsmOperand;
615 let MIOperandInfo = (ops GPR, i32imm);
618 // FIXME: Does this need to be distinct from so_reg?
619 def shift_so_reg_reg : Operand<i32>, // reg reg imm
620 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
621 [shl,srl,sra,rotr]> {
622 let EncoderMethod = "getSORegRegOpValue";
623 let PrintMethod = "printSORegRegOperand";
624 let DecoderMethod = "DecodeSORegRegOperand";
625 let ParserMatchClass = ShiftedRegAsmOperand;
626 let MIOperandInfo = (ops GPR, GPR, i32imm);
629 // FIXME: Does this need to be distinct from so_reg?
630 def shift_so_reg_imm : Operand<i32>, // reg reg imm
631 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
632 [shl,srl,sra,rotr]> {
633 let EncoderMethod = "getSORegImmOpValue";
634 let PrintMethod = "printSORegImmOperand";
635 let DecoderMethod = "DecodeSORegImmOperand";
636 let ParserMatchClass = ShiftedImmAsmOperand;
637 let MIOperandInfo = (ops GPR, i32imm);
640 // mod_imm: match a 32-bit immediate operand, which can be encoded into
641 // a 12-bit immediate; an 8-bit integer and a 4-bit rotator (See ARMARM
642 // - "Modified Immediate Constants"). Within the MC layer we keep this
643 // immediate in its encoded form.
644 def ModImmAsmOperand: AsmOperandClass {
646 let ParserMethod = "parseModImm";
648 def mod_imm : Operand<i32>, ImmLeaf<i32, [{
649 return ARM_AM::getSOImmVal(Imm) != -1;
651 let EncoderMethod = "getModImmOpValue";
652 let PrintMethod = "printModImmOperand";
653 let ParserMatchClass = ModImmAsmOperand;
656 // Note: the patterns mod_imm_not and mod_imm_neg do not require an encoder
657 // method and such, as they are only used on aliases (Pat<> and InstAlias<>).
658 // The actual parsing, encoding, decoding are handled by the destination
659 // instructions, which use mod_imm.
661 def ModImmNotAsmOperand : AsmOperandClass { let Name = "ModImmNot"; }
662 def mod_imm_not : Operand<i32>, PatLeaf<(imm), [{
663 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
665 let ParserMatchClass = ModImmNotAsmOperand;
668 def ModImmNegAsmOperand : AsmOperandClass { let Name = "ModImmNeg"; }
669 def mod_imm_neg : Operand<i32>, PatLeaf<(imm), [{
670 unsigned Value = -(unsigned)N->getZExtValue();
671 return Value && ARM_AM::getSOImmVal(Value) != -1;
673 let ParserMatchClass = ModImmNegAsmOperand;
676 /// arm_i32imm - True for +V6T2, or when isSOImmTwoParVal()
677 def arm_i32imm : PatLeaf<(imm), [{
678 if (Subtarget->useMovt(*MF))
680 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
683 /// imm0_1 predicate - Immediate in the range [0,1].
684 def Imm0_1AsmOperand: ImmAsmOperand<0,1> { let Name = "Imm0_1"; }
685 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
687 /// imm0_3 predicate - Immediate in the range [0,3].
688 def Imm0_3AsmOperand: ImmAsmOperand<0,3> { let Name = "Imm0_3"; }
689 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
691 /// imm0_7 predicate - Immediate in the range [0,7].
692 def Imm0_7AsmOperand: ImmAsmOperand<0,7> {
695 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
696 return Imm >= 0 && Imm < 8;
698 let ParserMatchClass = Imm0_7AsmOperand;
701 /// imm8_255 predicate - Immediate in the range [8,255].
702 def Imm8_255AsmOperand: ImmAsmOperand<8,255> { let Name = "Imm8_255"; }
703 def imm8_255 : Operand<i32>, ImmLeaf<i32, [{
704 return Imm >= 8 && Imm < 256;
706 let ParserMatchClass = Imm8_255AsmOperand;
709 /// imm8 predicate - Immediate is exactly 8.
710 def Imm8AsmOperand: ImmAsmOperand<8,8> { let Name = "Imm8"; }
711 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
712 let ParserMatchClass = Imm8AsmOperand;
715 /// imm16 predicate - Immediate is exactly 16.
716 def Imm16AsmOperand: ImmAsmOperand<16,16> { let Name = "Imm16"; }
717 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
718 let ParserMatchClass = Imm16AsmOperand;
721 /// imm32 predicate - Immediate is exactly 32.
722 def Imm32AsmOperand: ImmAsmOperand<32,32> { let Name = "Imm32"; }
723 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
724 let ParserMatchClass = Imm32AsmOperand;
727 def imm8_or_16 : ImmLeaf<i32, [{ return Imm == 8 || Imm == 16;}]>;
729 /// imm1_7 predicate - Immediate in the range [1,7].
730 def Imm1_7AsmOperand: ImmAsmOperand<1,7> { let Name = "Imm1_7"; }
731 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
732 let ParserMatchClass = Imm1_7AsmOperand;
735 /// imm1_15 predicate - Immediate in the range [1,15].
736 def Imm1_15AsmOperand: ImmAsmOperand<1,15> { let Name = "Imm1_15"; }
737 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
738 let ParserMatchClass = Imm1_15AsmOperand;
741 /// imm1_31 predicate - Immediate in the range [1,31].
742 def Imm1_31AsmOperand: ImmAsmOperand<1,31> { let Name = "Imm1_31"; }
743 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
744 let ParserMatchClass = Imm1_31AsmOperand;
747 /// imm0_15 predicate - Immediate in the range [0,15].
748 def Imm0_15AsmOperand: ImmAsmOperand<0,15> {
749 let Name = "Imm0_15";
750 let DiagnosticType = "ImmRange0_15";
752 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
753 return Imm >= 0 && Imm < 16;
755 let ParserMatchClass = Imm0_15AsmOperand;
758 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
759 def Imm0_31AsmOperand: ImmAsmOperand<0,31> { let Name = "Imm0_31"; }
760 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
761 return Imm >= 0 && Imm < 32;
763 let ParserMatchClass = Imm0_31AsmOperand;
766 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
767 def Imm0_32AsmOperand: ImmAsmOperand<0,32> { let Name = "Imm0_32"; }
768 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
769 return Imm >= 0 && Imm < 33;
771 let ParserMatchClass = Imm0_32AsmOperand;
774 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
775 def Imm0_63AsmOperand: ImmAsmOperand<0,63> { let Name = "Imm0_63"; }
776 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
777 return Imm >= 0 && Imm < 64;
779 let ParserMatchClass = Imm0_63AsmOperand;
782 /// imm0_239 predicate - Immediate in the range [0,239].
783 def Imm0_239AsmOperand : ImmAsmOperand<0,239> {
784 let Name = "Imm0_239";
785 let DiagnosticType = "ImmRange0_239";
787 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
788 let ParserMatchClass = Imm0_239AsmOperand;
791 /// imm0_255 predicate - Immediate in the range [0,255].
792 def Imm0_255AsmOperand : ImmAsmOperand<0,255> { let Name = "Imm0_255"; }
793 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
794 let ParserMatchClass = Imm0_255AsmOperand;
797 /// imm0_65535 - An immediate is in the range [0,65535].
798 def Imm0_65535AsmOperand: ImmAsmOperand<0,65535> { let Name = "Imm0_65535"; }
799 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
800 return Imm >= 0 && Imm < 65536;
802 let ParserMatchClass = Imm0_65535AsmOperand;
805 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
806 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
807 return -Imm >= 0 && -Imm < 65536;
810 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
811 // a relocatable expression.
813 // FIXME: This really needs a Thumb version separate from the ARM version.
814 // While the range is the same, and can thus use the same match class,
815 // the encoding is different so it should have a different encoder method.
816 def Imm0_65535ExprAsmOperand: AsmOperandClass {
817 let Name = "Imm0_65535Expr";
818 let RenderMethod = "addImmOperands";
821 def imm0_65535_expr : Operand<i32> {
822 let EncoderMethod = "getHiLo16ImmOpValue";
823 let ParserMatchClass = Imm0_65535ExprAsmOperand;
826 def Imm256_65535ExprAsmOperand: ImmAsmOperand<256,65535> { let Name = "Imm256_65535Expr"; }
827 def imm256_65535_expr : Operand<i32> {
828 let ParserMatchClass = Imm256_65535ExprAsmOperand;
831 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
832 def Imm24bitAsmOperand: ImmAsmOperand<0,0xffffff> { let Name = "Imm24bit"; }
833 def imm24b : Operand<i32>, ImmLeaf<i32, [{
834 return Imm >= 0 && Imm <= 0xffffff;
836 let ParserMatchClass = Imm24bitAsmOperand;
840 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
842 def BitfieldAsmOperand : AsmOperandClass {
843 let Name = "Bitfield";
844 let ParserMethod = "parseBitfield";
847 def bf_inv_mask_imm : Operand<i32>,
849 return ARM::isBitFieldInvertedMask(N->getZExtValue());
851 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
852 let PrintMethod = "printBitfieldInvMaskImmOperand";
853 let DecoderMethod = "DecodeBitfieldMaskOperand";
854 let ParserMatchClass = BitfieldAsmOperand;
857 def imm1_32_XFORM: SDNodeXForm<imm, [{
858 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
861 def Imm1_32AsmOperand: ImmAsmOperandMinusOne<1,32> {
862 let Name = "Imm1_32";
864 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
865 uint64_t Imm = N->getZExtValue();
866 return Imm > 0 && Imm <= 32;
869 let PrintMethod = "printImmPlusOneOperand";
870 let ParserMatchClass = Imm1_32AsmOperand;
873 def imm1_16_XFORM: SDNodeXForm<imm, [{
874 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
877 def Imm1_16AsmOperand: ImmAsmOperandMinusOne<1,16> { let Name = "Imm1_16"; }
878 def imm1_16 : Operand<i32>, ImmLeaf<i32, [{
879 return Imm > 0 && Imm <= 16;
882 let PrintMethod = "printImmPlusOneOperand";
883 let ParserMatchClass = Imm1_16AsmOperand;
886 // Define ARM specific addressing modes.
887 // addrmode_imm12 := reg +/- imm12
889 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
890 class AddrMode_Imm12 : MemOperand,
891 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
892 // 12-bit immediate operand. Note that instructions using this encode
893 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
894 // immediate values are as normal.
896 let EncoderMethod = "getAddrModeImm12OpValue";
897 let DecoderMethod = "DecodeAddrModeImm12Operand";
898 let ParserMatchClass = MemImm12OffsetAsmOperand;
899 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
902 def addrmode_imm12 : AddrMode_Imm12 {
903 let PrintMethod = "printAddrModeImm12Operand<false>";
906 def addrmode_imm12_pre : AddrMode_Imm12 {
907 let PrintMethod = "printAddrModeImm12Operand<true>";
910 // ldst_so_reg := reg +/- reg shop imm
912 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
913 def ldst_so_reg : MemOperand,
914 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
915 let EncoderMethod = "getLdStSORegOpValue";
916 // FIXME: Simplify the printer
917 let PrintMethod = "printAddrMode2Operand";
918 let DecoderMethod = "DecodeSORegMemOperand";
919 let ParserMatchClass = MemRegOffsetAsmOperand;
920 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
923 // postidx_imm8 := +/- [0,255]
926 // {8} 1 is imm8 is non-negative. 0 otherwise.
927 // {7-0} [0,255] imm8 value.
928 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
929 def postidx_imm8 : MemOperand {
930 let PrintMethod = "printPostIdxImm8Operand";
931 let ParserMatchClass = PostIdxImm8AsmOperand;
932 let MIOperandInfo = (ops i32imm);
935 // postidx_imm8s4 := +/- [0,1020]
938 // {8} 1 is imm8 is non-negative. 0 otherwise.
939 // {7-0} [0,255] imm8 value, scaled by 4.
940 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
941 def postidx_imm8s4 : MemOperand {
942 let PrintMethod = "printPostIdxImm8s4Operand";
943 let ParserMatchClass = PostIdxImm8s4AsmOperand;
944 let MIOperandInfo = (ops i32imm);
948 // postidx_reg := +/- reg
950 def PostIdxRegAsmOperand : AsmOperandClass {
951 let Name = "PostIdxReg";
952 let ParserMethod = "parsePostIdxReg";
954 def postidx_reg : MemOperand {
955 let EncoderMethod = "getPostIdxRegOpValue";
956 let DecoderMethod = "DecodePostIdxReg";
957 let PrintMethod = "printPostIdxRegOperand";
958 let ParserMatchClass = PostIdxRegAsmOperand;
959 let MIOperandInfo = (ops GPRnopc, i32imm);
963 // addrmode2 := reg +/- imm12
964 // := reg +/- reg shop imm
966 // FIXME: addrmode2 should be refactored the rest of the way to always
967 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
968 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
969 def addrmode2 : MemOperand,
970 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
971 let EncoderMethod = "getAddrMode2OpValue";
972 let PrintMethod = "printAddrMode2Operand";
973 let ParserMatchClass = AddrMode2AsmOperand;
974 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
977 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
978 let Name = "PostIdxRegShifted";
979 let ParserMethod = "parsePostIdxReg";
981 def am2offset_reg : MemOperand,
982 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
983 [], [SDNPWantRoot]> {
984 let EncoderMethod = "getAddrMode2OffsetOpValue";
985 let PrintMethod = "printAddrMode2OffsetOperand";
986 // When using this for assembly, it's always as a post-index offset.
987 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
988 let MIOperandInfo = (ops GPRnopc, i32imm);
991 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
992 // the GPR is purely vestigal at this point.
993 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
994 def am2offset_imm : MemOperand,
995 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
996 [], [SDNPWantRoot]> {
997 let EncoderMethod = "getAddrMode2OffsetOpValue";
998 let PrintMethod = "printAddrMode2OffsetOperand";
999 let ParserMatchClass = AM2OffsetImmAsmOperand;
1000 let MIOperandInfo = (ops GPRnopc, i32imm);
1004 // addrmode3 := reg +/- reg
1005 // addrmode3 := reg +/- imm8
1007 // FIXME: split into imm vs. reg versions.
1008 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
1009 class AddrMode3 : MemOperand,
1010 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
1011 let EncoderMethod = "getAddrMode3OpValue";
1012 let ParserMatchClass = AddrMode3AsmOperand;
1013 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
1016 def addrmode3 : AddrMode3
1018 let PrintMethod = "printAddrMode3Operand<false>";
1021 def addrmode3_pre : AddrMode3
1023 let PrintMethod = "printAddrMode3Operand<true>";
1026 // FIXME: split into imm vs. reg versions.
1027 // FIXME: parser method to handle +/- register.
1028 def AM3OffsetAsmOperand : AsmOperandClass {
1029 let Name = "AM3Offset";
1030 let ParserMethod = "parseAM3Offset";
1032 def am3offset : MemOperand,
1033 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
1034 [], [SDNPWantRoot]> {
1035 let EncoderMethod = "getAddrMode3OffsetOpValue";
1036 let PrintMethod = "printAddrMode3OffsetOperand";
1037 let ParserMatchClass = AM3OffsetAsmOperand;
1038 let MIOperandInfo = (ops GPR, i32imm);
1041 // ldstm_mode := {ia, ib, da, db}
1043 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
1044 let EncoderMethod = "getLdStmModeOpValue";
1045 let PrintMethod = "printLdStmModeOperand";
1048 // addrmode5 := reg +/- imm8*4
1050 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
1051 class AddrMode5 : MemOperand,
1052 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
1053 let EncoderMethod = "getAddrMode5OpValue";
1054 let DecoderMethod = "DecodeAddrMode5Operand";
1055 let ParserMatchClass = AddrMode5AsmOperand;
1056 let MIOperandInfo = (ops GPR:$base, i32imm);
1059 def addrmode5 : AddrMode5 {
1060 let PrintMethod = "printAddrMode5Operand<false>";
1063 def addrmode5_pre : AddrMode5 {
1064 let PrintMethod = "printAddrMode5Operand<true>";
1067 // addrmode5fp16 := reg +/- imm8*2
1069 def AddrMode5FP16AsmOperand : AsmOperandClass { let Name = "AddrMode5FP16"; }
1070 class AddrMode5FP16 : Operand<i32>,
1071 ComplexPattern<i32, 2, "SelectAddrMode5FP16", []> {
1072 let EncoderMethod = "getAddrMode5FP16OpValue";
1073 let DecoderMethod = "DecodeAddrMode5FP16Operand";
1074 let ParserMatchClass = AddrMode5FP16AsmOperand;
1075 let MIOperandInfo = (ops GPR:$base, i32imm);
1078 def addrmode5fp16 : AddrMode5FP16 {
1079 let PrintMethod = "printAddrMode5FP16Operand<false>";
1082 // addrmode6 := reg with optional alignment
1084 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
1085 def addrmode6 : MemOperand,
1086 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1087 let PrintMethod = "printAddrMode6Operand";
1088 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1089 let EncoderMethod = "getAddrMode6AddressOpValue";
1090 let DecoderMethod = "DecodeAddrMode6Operand";
1091 let ParserMatchClass = AddrMode6AsmOperand;
1094 def am6offset : MemOperand,
1095 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
1096 [], [SDNPWantRoot]> {
1097 let PrintMethod = "printAddrMode6OffsetOperand";
1098 let MIOperandInfo = (ops GPR);
1099 let EncoderMethod = "getAddrMode6OffsetOpValue";
1100 let DecoderMethod = "DecodeGPRRegisterClass";
1103 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
1104 // (single element from one lane) for size 32.
1105 def addrmode6oneL32 : MemOperand,
1106 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1107 let PrintMethod = "printAddrMode6Operand";
1108 let MIOperandInfo = (ops GPR:$addr, i32imm);
1109 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
1112 // Base class for addrmode6 with specific alignment restrictions.
1113 class AddrMode6Align : MemOperand,
1114 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1115 let PrintMethod = "printAddrMode6Operand";
1116 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1117 let EncoderMethod = "getAddrMode6AddressOpValue";
1118 let DecoderMethod = "DecodeAddrMode6Operand";
1121 // Special version of addrmode6 to handle no allowed alignment encoding for
1122 // VLD/VST instructions and checking the alignment is not specified.
1123 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1124 let Name = "AlignedMemoryNone";
1125 let DiagnosticType = "AlignedMemoryRequiresNone";
1127 def addrmode6alignNone : AddrMode6Align {
1128 // The alignment specifier can only be omitted.
1129 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1132 // Special version of addrmode6 to handle 16-bit alignment encoding for
1133 // VLD/VST instructions and checking the alignment value.
1134 def AddrMode6Align16AsmOperand : AsmOperandClass {
1135 let Name = "AlignedMemory16";
1136 let DiagnosticType = "AlignedMemoryRequires16";
1138 def addrmode6align16 : AddrMode6Align {
1139 // The alignment specifier can only be 16 or omitted.
1140 let ParserMatchClass = AddrMode6Align16AsmOperand;
1143 // Special version of addrmode6 to handle 32-bit alignment encoding for
1144 // VLD/VST instructions and checking the alignment value.
1145 def AddrMode6Align32AsmOperand : AsmOperandClass {
1146 let Name = "AlignedMemory32";
1147 let DiagnosticType = "AlignedMemoryRequires32";
1149 def addrmode6align32 : AddrMode6Align {
1150 // The alignment specifier can only be 32 or omitted.
1151 let ParserMatchClass = AddrMode6Align32AsmOperand;
1154 // Special version of addrmode6 to handle 64-bit alignment encoding for
1155 // VLD/VST instructions and checking the alignment value.
1156 def AddrMode6Align64AsmOperand : AsmOperandClass {
1157 let Name = "AlignedMemory64";
1158 let DiagnosticType = "AlignedMemoryRequires64";
1160 def addrmode6align64 : AddrMode6Align {
1161 // The alignment specifier can only be 64 or omitted.
1162 let ParserMatchClass = AddrMode6Align64AsmOperand;
1165 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1166 // for VLD/VST instructions and checking the alignment value.
1167 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1168 let Name = "AlignedMemory64or128";
1169 let DiagnosticType = "AlignedMemoryRequires64or128";
1171 def addrmode6align64or128 : AddrMode6Align {
1172 // The alignment specifier can only be 64, 128 or omitted.
1173 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1176 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1177 // encoding for VLD/VST instructions and checking the alignment value.
1178 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1179 let Name = "AlignedMemory64or128or256";
1180 let DiagnosticType = "AlignedMemoryRequires64or128or256";
1182 def addrmode6align64or128or256 : AddrMode6Align {
1183 // The alignment specifier can only be 64, 128, 256 or omitted.
1184 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1187 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1188 // instructions, specifically VLD4-dup.
1189 def addrmode6dup : MemOperand,
1190 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1191 let PrintMethod = "printAddrMode6Operand";
1192 let MIOperandInfo = (ops GPR:$addr, i32imm);
1193 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1194 // FIXME: This is close, but not quite right. The alignment specifier is
1196 let ParserMatchClass = AddrMode6AsmOperand;
1199 // Base class for addrmode6dup with specific alignment restrictions.
1200 class AddrMode6DupAlign : MemOperand,
1201 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1202 let PrintMethod = "printAddrMode6Operand";
1203 let MIOperandInfo = (ops GPR:$addr, i32imm);
1204 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1207 // Special version of addrmode6 to handle no allowed alignment encoding for
1208 // VLD-dup instruction and checking the alignment is not specified.
1209 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1210 let Name = "DupAlignedMemoryNone";
1211 let DiagnosticType = "DupAlignedMemoryRequiresNone";
1213 def addrmode6dupalignNone : AddrMode6DupAlign {
1214 // The alignment specifier can only be omitted.
1215 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1218 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1219 // instruction and checking the alignment value.
1220 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1221 let Name = "DupAlignedMemory16";
1222 let DiagnosticType = "DupAlignedMemoryRequires16";
1224 def addrmode6dupalign16 : AddrMode6DupAlign {
1225 // The alignment specifier can only be 16 or omitted.
1226 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1229 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1230 // instruction and checking the alignment value.
1231 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1232 let Name = "DupAlignedMemory32";
1233 let DiagnosticType = "DupAlignedMemoryRequires32";
1235 def addrmode6dupalign32 : AddrMode6DupAlign {
1236 // The alignment specifier can only be 32 or omitted.
1237 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1240 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1241 // instructions and checking the alignment value.
1242 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1243 let Name = "DupAlignedMemory64";
1244 let DiagnosticType = "DupAlignedMemoryRequires64";
1246 def addrmode6dupalign64 : AddrMode6DupAlign {
1247 // The alignment specifier can only be 64 or omitted.
1248 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1251 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1252 // for VLD instructions and checking the alignment value.
1253 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1254 let Name = "DupAlignedMemory64or128";
1255 let DiagnosticType = "DupAlignedMemoryRequires64or128";
1257 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1258 // The alignment specifier can only be 64, 128 or omitted.
1259 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1262 // addrmodepc := pc + reg
1264 def addrmodepc : MemOperand,
1265 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1266 let PrintMethod = "printAddrModePCOperand";
1267 let MIOperandInfo = (ops GPR, i32imm);
1270 // addr_offset_none := reg
1272 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1273 def addr_offset_none : MemOperand,
1274 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1275 let PrintMethod = "printAddrMode7Operand";
1276 let DecoderMethod = "DecodeAddrMode7Operand";
1277 let ParserMatchClass = MemNoOffsetAsmOperand;
1278 let MIOperandInfo = (ops GPR:$base);
1281 def nohash_imm : Operand<i32> {
1282 let PrintMethod = "printNoHashImmediate";
1285 def CoprocNumAsmOperand : AsmOperandClass {
1286 let Name = "CoprocNum";
1287 let ParserMethod = "parseCoprocNumOperand";
1289 def p_imm : Operand<i32> {
1290 let PrintMethod = "printPImmediate";
1291 let ParserMatchClass = CoprocNumAsmOperand;
1292 let DecoderMethod = "DecodeCoprocessor";
1295 def CoprocRegAsmOperand : AsmOperandClass {
1296 let Name = "CoprocReg";
1297 let ParserMethod = "parseCoprocRegOperand";
1299 def c_imm : Operand<i32> {
1300 let PrintMethod = "printCImmediate";
1301 let ParserMatchClass = CoprocRegAsmOperand;
1303 def CoprocOptionAsmOperand : AsmOperandClass {
1304 let Name = "CoprocOption";
1305 let ParserMethod = "parseCoprocOptionOperand";
1307 def coproc_option_imm : Operand<i32> {
1308 let PrintMethod = "printCoprocOptionImm";
1309 let ParserMatchClass = CoprocOptionAsmOperand;
1312 //===----------------------------------------------------------------------===//
1314 include "ARMInstrFormats.td"
1316 //===----------------------------------------------------------------------===//
1317 // Multiclass helpers...
1320 /// AsI1_bin_irs - Defines a set of (op r, {mod_imm|r|so_reg}) patterns for a
1321 /// binop that produces a value.
1322 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1323 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1324 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1325 SDPatternOperator opnode, bit Commutable = 0> {
1326 // The register-immediate version is re-materializable. This is useful
1327 // in particular for taking the address of a local.
1328 let isReMaterializable = 1 in {
1329 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1330 iii, opc, "\t$Rd, $Rn, $imm",
1331 [(set GPR:$Rd, (opnode GPR:$Rn, mod_imm:$imm))]>,
1332 Sched<[WriteALU, ReadALU]> {
1337 let Inst{19-16} = Rn;
1338 let Inst{15-12} = Rd;
1339 let Inst{11-0} = imm;
1342 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1343 iir, opc, "\t$Rd, $Rn, $Rm",
1344 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1345 Sched<[WriteALU, ReadALU, ReadALU]> {
1350 let isCommutable = Commutable;
1351 let Inst{19-16} = Rn;
1352 let Inst{15-12} = Rd;
1353 let Inst{11-4} = 0b00000000;
1357 def rsi : AsI1<opcod, (outs GPR:$Rd),
1358 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1359 iis, opc, "\t$Rd, $Rn, $shift",
1360 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1361 Sched<[WriteALUsi, ReadALU]> {
1366 let Inst{19-16} = Rn;
1367 let Inst{15-12} = Rd;
1368 let Inst{11-5} = shift{11-5};
1370 let Inst{3-0} = shift{3-0};
1373 def rsr : AsI1<opcod, (outs GPR:$Rd),
1374 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1375 iis, opc, "\t$Rd, $Rn, $shift",
1376 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1377 Sched<[WriteALUsr, ReadALUsr]> {
1382 let Inst{19-16} = Rn;
1383 let Inst{15-12} = Rd;
1384 let Inst{11-8} = shift{11-8};
1386 let Inst{6-5} = shift{6-5};
1388 let Inst{3-0} = shift{3-0};
1392 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1393 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1394 /// it is equivalent to the AsI1_bin_irs counterpart.
1395 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1396 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1397 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1398 SDNode opnode, bit Commutable = 0> {
1399 // The register-immediate version is re-materializable. This is useful
1400 // in particular for taking the address of a local.
1401 let isReMaterializable = 1 in {
1402 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1403 iii, opc, "\t$Rd, $Rn, $imm",
1404 [(set GPR:$Rd, (opnode mod_imm:$imm, GPR:$Rn))]>,
1405 Sched<[WriteALU, ReadALU]> {
1410 let Inst{19-16} = Rn;
1411 let Inst{15-12} = Rd;
1412 let Inst{11-0} = imm;
1415 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1416 iir, opc, "\t$Rd, $Rn, $Rm",
1417 [/* pattern left blank */]>,
1418 Sched<[WriteALU, ReadALU, ReadALU]> {
1422 let Inst{11-4} = 0b00000000;
1425 let Inst{15-12} = Rd;
1426 let Inst{19-16} = Rn;
1429 def rsi : AsI1<opcod, (outs GPR:$Rd),
1430 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1431 iis, opc, "\t$Rd, $Rn, $shift",
1432 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1433 Sched<[WriteALUsi, ReadALU]> {
1438 let Inst{19-16} = Rn;
1439 let Inst{15-12} = Rd;
1440 let Inst{11-5} = shift{11-5};
1442 let Inst{3-0} = shift{3-0};
1445 def rsr : AsI1<opcod, (outs GPR:$Rd),
1446 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1447 iis, opc, "\t$Rd, $Rn, $shift",
1448 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1449 Sched<[WriteALUsr, ReadALUsr]> {
1454 let Inst{19-16} = Rn;
1455 let Inst{15-12} = Rd;
1456 let Inst{11-8} = shift{11-8};
1458 let Inst{6-5} = shift{6-5};
1460 let Inst{3-0} = shift{3-0};
1464 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1466 /// These opcodes will be converted to the real non-S opcodes by
1467 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1468 let hasPostISelHook = 1, Defs = [CPSR] in {
1469 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1470 InstrItinClass iis, SDNode opnode,
1471 bit Commutable = 0> {
1472 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1474 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm))]>,
1475 Sched<[WriteALU, ReadALU]>;
1477 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1479 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1480 Sched<[WriteALU, ReadALU, ReadALU]> {
1481 let isCommutable = Commutable;
1483 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1484 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1486 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1487 so_reg_imm:$shift))]>,
1488 Sched<[WriteALUsi, ReadALU]>;
1490 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1491 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1493 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1494 so_reg_reg:$shift))]>,
1495 Sched<[WriteALUSsr, ReadALUsr]>;
1499 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1500 /// operands are reversed.
1501 let hasPostISelHook = 1, Defs = [CPSR] in {
1502 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1503 InstrItinClass iis, SDNode opnode,
1504 bit Commutable = 0> {
1505 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1507 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn))]>,
1508 Sched<[WriteALU, ReadALU]>;
1510 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1511 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1513 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1515 Sched<[WriteALUsi, ReadALU]>;
1517 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1518 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1520 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1522 Sched<[WriteALUSsr, ReadALUsr]>;
1526 /// AI1_cmp_irs - Defines a set of (op r, {mod_imm|r|so_reg}) cmp / test
1527 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1528 /// a explicit result, only implicitly set CPSR.
1529 let isCompare = 1, Defs = [CPSR] in {
1530 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1531 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1532 SDPatternOperator opnode, bit Commutable = 0,
1533 string rrDecoderMethod = ""> {
1534 def ri : AI1<opcod, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, iii,
1536 [(opnode GPR:$Rn, mod_imm:$imm)]>,
1537 Sched<[WriteCMP, ReadALU]> {
1542 let Inst{19-16} = Rn;
1543 let Inst{15-12} = 0b0000;
1544 let Inst{11-0} = imm;
1546 let Unpredictable{15-12} = 0b1111;
1548 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1550 [(opnode GPR:$Rn, GPR:$Rm)]>,
1551 Sched<[WriteCMP, ReadALU, ReadALU]> {
1554 let isCommutable = Commutable;
1557 let Inst{19-16} = Rn;
1558 let Inst{15-12} = 0b0000;
1559 let Inst{11-4} = 0b00000000;
1561 let DecoderMethod = rrDecoderMethod;
1563 let Unpredictable{15-12} = 0b1111;
1565 def rsi : AI1<opcod, (outs),
1566 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1567 opc, "\t$Rn, $shift",
1568 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1569 Sched<[WriteCMPsi, ReadALU]> {
1574 let Inst{19-16} = Rn;
1575 let Inst{15-12} = 0b0000;
1576 let Inst{11-5} = shift{11-5};
1578 let Inst{3-0} = shift{3-0};
1580 let Unpredictable{15-12} = 0b1111;
1582 def rsr : AI1<opcod, (outs),
1583 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1584 opc, "\t$Rn, $shift",
1585 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1586 Sched<[WriteCMPsr, ReadALU]> {
1591 let Inst{19-16} = Rn;
1592 let Inst{15-12} = 0b0000;
1593 let Inst{11-8} = shift{11-8};
1595 let Inst{6-5} = shift{6-5};
1597 let Inst{3-0} = shift{3-0};
1599 let Unpredictable{15-12} = 0b1111;
1605 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1606 /// register and one whose operand is a register rotated by 8/16/24.
1607 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1608 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1609 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1610 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1611 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1612 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1616 let Inst{19-16} = 0b1111;
1617 let Inst{15-12} = Rd;
1618 let Inst{11-10} = rot;
1622 class AI_ext_rrot_np<bits<8> opcod, string opc>
1623 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1624 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1625 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1627 let Inst{19-16} = 0b1111;
1628 let Inst{11-10} = rot;
1631 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1632 /// register and one whose operand is a register rotated by 8/16/24.
1633 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1634 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1635 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1636 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1637 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1638 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1643 let Inst{19-16} = Rn;
1644 let Inst{15-12} = Rd;
1645 let Inst{11-10} = rot;
1646 let Inst{9-4} = 0b000111;
1650 class AI_exta_rrot_np<bits<8> opcod, string opc>
1651 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1652 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1653 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1656 let Inst{19-16} = Rn;
1657 let Inst{11-10} = rot;
1660 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1661 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1662 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, SDNode opnode,
1663 bit Commutable = 0> {
1664 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1665 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1666 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1667 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm, CPSR))]>,
1669 Sched<[WriteALU, ReadALU]> {
1674 let Inst{15-12} = Rd;
1675 let Inst{19-16} = Rn;
1676 let Inst{11-0} = imm;
1678 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1679 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1680 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1682 Sched<[WriteALU, ReadALU, ReadALU]> {
1686 let Inst{11-4} = 0b00000000;
1688 let isCommutable = Commutable;
1690 let Inst{15-12} = Rd;
1691 let Inst{19-16} = Rn;
1693 def rsi : AsI1<opcod, (outs GPR:$Rd),
1694 (ins GPR:$Rn, so_reg_imm:$shift),
1695 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1696 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1698 Sched<[WriteALUsi, ReadALU]> {
1703 let Inst{19-16} = Rn;
1704 let Inst{15-12} = Rd;
1705 let Inst{11-5} = shift{11-5};
1707 let Inst{3-0} = shift{3-0};
1709 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1710 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1711 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1712 [(set GPRnopc:$Rd, CPSR,
1713 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1715 Sched<[WriteALUsr, ReadALUsr]> {
1720 let Inst{19-16} = Rn;
1721 let Inst{15-12} = Rd;
1722 let Inst{11-8} = shift{11-8};
1724 let Inst{6-5} = shift{6-5};
1726 let Inst{3-0} = shift{3-0};
1731 /// AI1_rsc_irs - Define instructions and patterns for rsc
1732 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1733 multiclass AI1_rsc_irs<bits<4> opcod, string opc, SDNode opnode> {
1734 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1735 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1736 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1737 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn, CPSR))]>,
1739 Sched<[WriteALU, ReadALU]> {
1744 let Inst{15-12} = Rd;
1745 let Inst{19-16} = Rn;
1746 let Inst{11-0} = imm;
1748 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1749 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1750 [/* pattern left blank */]>,
1751 Sched<[WriteALU, ReadALU, ReadALU]> {
1755 let Inst{11-4} = 0b00000000;
1758 let Inst{15-12} = Rd;
1759 let Inst{19-16} = Rn;
1761 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1762 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1763 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1765 Sched<[WriteALUsi, ReadALU]> {
1770 let Inst{19-16} = Rn;
1771 let Inst{15-12} = Rd;
1772 let Inst{11-5} = shift{11-5};
1774 let Inst{3-0} = shift{3-0};
1776 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1777 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1778 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1780 Sched<[WriteALUsr, ReadALUsr]> {
1785 let Inst{19-16} = Rn;
1786 let Inst{15-12} = Rd;
1787 let Inst{11-8} = shift{11-8};
1789 let Inst{6-5} = shift{6-5};
1791 let Inst{3-0} = shift{3-0};
1796 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1797 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1798 InstrItinClass iir, PatFrag opnode> {
1799 // Note: We use the complex addrmode_imm12 rather than just an input
1800 // GPR and a constrained immediate so that we can use this to match
1801 // frame index references and avoid matching constant pool references.
1802 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1803 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1804 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1807 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1808 let Inst{19-16} = addr{16-13}; // Rn
1809 let Inst{15-12} = Rt;
1810 let Inst{11-0} = addr{11-0}; // imm12
1812 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1813 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1814 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1817 let shift{4} = 0; // Inst{4} = 0
1818 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1819 let Inst{19-16} = shift{16-13}; // Rn
1820 let Inst{15-12} = Rt;
1821 let Inst{11-0} = shift{11-0};
1826 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1827 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1828 InstrItinClass iir, PatFrag opnode> {
1829 // Note: We use the complex addrmode_imm12 rather than just an input
1830 // GPR and a constrained immediate so that we can use this to match
1831 // frame index references and avoid matching constant pool references.
1832 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1833 (ins addrmode_imm12:$addr),
1834 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1835 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1838 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1839 let Inst{19-16} = addr{16-13}; // Rn
1840 let Inst{15-12} = Rt;
1841 let Inst{11-0} = addr{11-0}; // imm12
1843 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1844 (ins ldst_so_reg:$shift),
1845 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1846 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1849 let shift{4} = 0; // Inst{4} = 0
1850 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1851 let Inst{19-16} = shift{16-13}; // Rn
1852 let Inst{15-12} = Rt;
1853 let Inst{11-0} = shift{11-0};
1859 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1860 InstrItinClass iir, PatFrag opnode> {
1861 // Note: We use the complex addrmode_imm12 rather than just an input
1862 // GPR and a constrained immediate so that we can use this to match
1863 // frame index references and avoid matching constant pool references.
1864 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1865 (ins GPR:$Rt, addrmode_imm12:$addr),
1866 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1867 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1870 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1871 let Inst{19-16} = addr{16-13}; // Rn
1872 let Inst{15-12} = Rt;
1873 let Inst{11-0} = addr{11-0}; // imm12
1875 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1876 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1877 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1880 let shift{4} = 0; // Inst{4} = 0
1881 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1882 let Inst{19-16} = shift{16-13}; // Rn
1883 let Inst{15-12} = Rt;
1884 let Inst{11-0} = shift{11-0};
1888 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1889 InstrItinClass iir, PatFrag opnode> {
1890 // Note: We use the complex addrmode_imm12 rather than just an input
1891 // GPR and a constrained immediate so that we can use this to match
1892 // frame index references and avoid matching constant pool references.
1893 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1894 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1895 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1896 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1899 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1900 let Inst{19-16} = addr{16-13}; // Rn
1901 let Inst{15-12} = Rt;
1902 let Inst{11-0} = addr{11-0}; // imm12
1904 def rs : AI2ldst<0b011, 0, isByte, (outs),
1905 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1906 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1907 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1910 let shift{4} = 0; // Inst{4} = 0
1911 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1912 let Inst{19-16} = shift{16-13}; // Rn
1913 let Inst{15-12} = Rt;
1914 let Inst{11-0} = shift{11-0};
1919 //===----------------------------------------------------------------------===//
1921 //===----------------------------------------------------------------------===//
1923 //===----------------------------------------------------------------------===//
1924 // Miscellaneous Instructions.
1927 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1928 /// the function. The first operand is the ID# for this instruction, the second
1929 /// is the index into the MachineConstantPool that this is, the third is the
1930 /// size in bytes of this constant pool entry.
1931 let hasSideEffects = 0, isNotDuplicable = 1 in
1932 def CONSTPOOL_ENTRY :
1933 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1934 i32imm:$size), NoItinerary, []>;
1936 /// A jumptable consisting of direct 32-bit addresses of the destination basic
1937 /// blocks (either absolute, or relative to the start of the jump-table in PIC
1938 /// mode). Used mostly in ARM and Thumb-1 modes.
1939 def JUMPTABLE_ADDRS :
1940 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1941 i32imm:$size), NoItinerary, []>;
1943 /// A jumptable consisting of 32-bit jump instructions. Used for Thumb-2 tables
1944 /// that cannot be optimised to use TBB or TBH.
1945 def JUMPTABLE_INSTS :
1946 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1947 i32imm:$size), NoItinerary, []>;
1949 /// A jumptable consisting of 8-bit unsigned integers representing offsets from
1950 /// a TBB instruction.
1952 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1953 i32imm:$size), NoItinerary, []>;
1955 /// A jumptable consisting of 16-bit unsigned integers representing offsets from
1956 /// a TBH instruction.
1958 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1959 i32imm:$size), NoItinerary, []>;
1962 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1963 // from removing one half of the matched pairs. That breaks PEI, which assumes
1964 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1965 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1966 def ADJCALLSTACKUP :
1967 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1968 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1970 def ADJCALLSTACKDOWN :
1971 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1972 [(ARMcallseq_start timm:$amt)]>;
1975 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1976 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
1977 Requires<[IsARM, HasV6]> {
1979 let Inst{27-8} = 0b00110010000011110000;
1980 let Inst{7-0} = imm;
1981 let DecoderMethod = "DecodeHINTInstruction";
1984 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6K]>;
1985 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6K]>;
1986 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6K]>;
1987 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6K]>;
1988 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6K]>;
1989 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1990 def : InstAlias<"esb$p", (HINT 16, pred:$p)>, Requires<[IsARM, HasRAS]>;
1992 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1994 [(set GPR:$Rd, (int_arm_sel GPR:$Rn, GPR:$Rm))]>,
1995 Requires<[IsARM, HasV6]> {
2000 let Inst{15-12} = Rd;
2001 let Inst{19-16} = Rn;
2002 let Inst{27-20} = 0b01101000;
2003 let Inst{7-4} = 0b1011;
2004 let Inst{11-8} = 0b1111;
2005 let Unpredictable{11-8} = 0b1111;
2008 // The 16-bit operand $val can be used by a debugger to store more information
2009 // about the breakpoint.
2010 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2011 "bkpt", "\t$val", []>, Requires<[IsARM]> {
2013 let Inst{3-0} = val{3-0};
2014 let Inst{19-8} = val{15-4};
2015 let Inst{27-20} = 0b00010010;
2016 let Inst{31-28} = 0xe; // AL
2017 let Inst{7-4} = 0b0111;
2019 // default immediate for breakpoint mnemonic
2020 def : InstAlias<"bkpt", (BKPT 0), 0>, Requires<[IsARM]>;
2022 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2023 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
2025 let Inst{3-0} = val{3-0};
2026 let Inst{19-8} = val{15-4};
2027 let Inst{27-20} = 0b00010000;
2028 let Inst{31-28} = 0xe; // AL
2029 let Inst{7-4} = 0b0111;
2032 // Change Processor State
2033 // FIXME: We should use InstAlias to handle the optional operands.
2034 class CPS<dag iops, string asm_ops>
2035 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
2036 []>, Requires<[IsARM]> {
2042 let Inst{31-28} = 0b1111;
2043 let Inst{27-20} = 0b00010000;
2044 let Inst{19-18} = imod;
2045 let Inst{17} = M; // Enabled if mode is set;
2046 let Inst{16-9} = 0b00000000;
2047 let Inst{8-6} = iflags;
2049 let Inst{4-0} = mode;
2052 let DecoderMethod = "DecodeCPSInstruction" in {
2054 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
2055 "$imod\t$iflags, $mode">;
2056 let mode = 0, M = 0 in
2057 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
2059 let imod = 0, iflags = 0, M = 1 in
2060 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
2063 // Preload signals the memory system of possible future data/instruction access.
2064 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
2066 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
2067 IIC_Preload, !strconcat(opc, "\t$addr"),
2068 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
2069 Sched<[WritePreLd]> {
2072 let Inst{31-26} = 0b111101;
2073 let Inst{25} = 0; // 0 for immediate form
2074 let Inst{24} = data;
2075 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2076 let Inst{22} = read;
2077 let Inst{21-20} = 0b01;
2078 let Inst{19-16} = addr{16-13}; // Rn
2079 let Inst{15-12} = 0b1111;
2080 let Inst{11-0} = addr{11-0}; // imm12
2083 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
2084 !strconcat(opc, "\t$shift"),
2085 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
2086 Sched<[WritePreLd]> {
2088 let Inst{31-26} = 0b111101;
2089 let Inst{25} = 1; // 1 for register form
2090 let Inst{24} = data;
2091 let Inst{23} = shift{12}; // U (add = ('U' == 1))
2092 let Inst{22} = read;
2093 let Inst{21-20} = 0b01;
2094 let Inst{19-16} = shift{16-13}; // Rn
2095 let Inst{15-12} = 0b1111;
2096 let Inst{11-0} = shift{11-0};
2101 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
2102 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
2103 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
2105 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
2106 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
2108 let Inst{31-10} = 0b1111000100000001000000;
2113 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
2114 [(int_arm_dbg imm0_15:$opt)]>, Requires<[IsARM, HasV7]> {
2116 let Inst{27-4} = 0b001100100000111100001111;
2117 let Inst{3-0} = opt;
2120 // A8.8.247 UDF - Undefined (Encoding A1)
2121 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
2122 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
2124 let Inst{31-28} = 0b1110; // AL
2125 let Inst{27-25} = 0b011;
2126 let Inst{24-20} = 0b11111;
2127 let Inst{19-8} = imm16{15-4};
2128 let Inst{7-4} = 0b1111;
2129 let Inst{3-0} = imm16{3-0};
2133 * A5.4 Permanently UNDEFINED instructions.
2135 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
2136 * Other UDF encodings generate SIGILL.
2138 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
2140 * 1110 0111 1111 iiii iiii iiii 1111 iiii
2142 * 1101 1110 iiii iiii
2143 * It uses the following encoding:
2144 * 1110 0111 1111 1110 1101 1110 1111 0000
2145 * - In ARM: UDF #60896;
2146 * - In Thumb: UDF #254 followed by a branch-to-self.
2148 let isBarrier = 1, isTerminator = 1 in
2149 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2151 Requires<[IsARM,UseNaClTrap]> {
2152 let Inst = 0xe7fedef0;
2154 let isBarrier = 1, isTerminator = 1 in
2155 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2157 Requires<[IsARM,DontUseNaClTrap]> {
2158 let Inst = 0xe7ffdefe;
2161 // Address computation and loads and stores in PIC mode.
2162 let isNotDuplicable = 1 in {
2163 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2165 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2166 Sched<[WriteALU, ReadALU]>;
2168 let AddedComplexity = 10 in {
2169 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2171 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2173 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2175 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2177 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2179 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2181 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2183 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2185 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2187 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2189 let AddedComplexity = 10 in {
2190 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2191 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2193 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2194 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2195 addrmodepc:$addr)]>;
2197 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2198 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2200 } // isNotDuplicable = 1
2203 // LEApcrel - Load a pc-relative address into a register without offending the
2205 let hasSideEffects = 0, isReMaterializable = 1 in
2206 // The 'adr' mnemonic encodes differently if the label is before or after
2207 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2208 // know until then which form of the instruction will be used.
2209 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2210 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2211 Sched<[WriteALU, ReadALU]> {
2214 let Inst{27-25} = 0b001;
2216 let Inst{23-22} = label{13-12};
2219 let Inst{19-16} = 0b1111;
2220 let Inst{15-12} = Rd;
2221 let Inst{11-0} = label{11-0};
2224 let hasSideEffects = 1 in {
2225 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2226 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2228 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2229 (ins i32imm:$label, pred:$p),
2230 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2233 //===----------------------------------------------------------------------===//
2234 // Control Flow Instructions.
2237 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2239 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2240 "bx", "\tlr", [(ARMretflag)]>,
2241 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2242 let Inst{27-0} = 0b0001001011111111111100011110;
2246 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2247 "mov", "\tpc, lr", [(ARMretflag)]>,
2248 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2249 let Inst{27-0} = 0b0001101000001111000000001110;
2252 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2253 // the user-space one).
2254 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2256 [(ARMintretflag imm:$offset)]>;
2259 // Indirect branches
2260 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2262 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2263 [(brind GPR:$dst)]>,
2264 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2266 let Inst{31-4} = 0b1110000100101111111111110001;
2267 let Inst{3-0} = dst;
2270 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2271 "bx", "\t$dst", [/* pattern left blank */]>,
2272 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2274 let Inst{27-4} = 0b000100101111111111110001;
2275 let Inst{3-0} = dst;
2279 // SP is marked as a use to prevent stack-pointer assignments that appear
2280 // immediately before calls from potentially appearing dead.
2282 // FIXME: Do we really need a non-predicated version? If so, it should
2283 // at least be a pseudo instruction expanding to the predicated version
2284 // at MC lowering time.
2285 Defs = [LR], Uses = [SP] in {
2286 def BL : ABXI<0b1011, (outs), (ins arm_bl_target:$func),
2287 IIC_Br, "bl\t$func",
2288 [(ARMcall tglobaladdr:$func)]>,
2289 Requires<[IsARM]>, Sched<[WriteBrL]> {
2290 let Inst{31-28} = 0b1110;
2292 let Inst{23-0} = func;
2293 let DecoderMethod = "DecodeBranchImmInstruction";
2296 def BL_pred : ABI<0b1011, (outs), (ins arm_bl_target:$func),
2297 IIC_Br, "bl", "\t$func",
2298 [(ARMcall_pred tglobaladdr:$func)]>,
2299 Requires<[IsARM]>, Sched<[WriteBrL]> {
2301 let Inst{23-0} = func;
2302 let DecoderMethod = "DecodeBranchImmInstruction";
2306 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2307 IIC_Br, "blx\t$func",
2308 [(ARMcall GPR:$func)]>,
2309 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2311 let Inst{31-4} = 0b1110000100101111111111110011;
2312 let Inst{3-0} = func;
2315 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2316 IIC_Br, "blx", "\t$func",
2317 [(ARMcall_pred GPR:$func)]>,
2318 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2320 let Inst{27-4} = 0b000100101111111111110011;
2321 let Inst{3-0} = func;
2325 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2326 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2327 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2328 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2331 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2332 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2333 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2335 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2336 // return stack predictor.
2337 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins arm_bl_target:$func),
2338 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2339 Requires<[IsARM]>, Sched<[WriteBr]>;
2342 let isBranch = 1, isTerminator = 1 in {
2343 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2344 // a two-value operand where a dag node expects two operands. :(
2345 def Bcc : ABI<0b1010, (outs), (ins arm_br_target:$target),
2346 IIC_Br, "b", "\t$target",
2347 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2350 let Inst{23-0} = target;
2351 let DecoderMethod = "DecodeBranchImmInstruction";
2354 let isBarrier = 1 in {
2355 // B is "predicable" since it's just a Bcc with an 'always' condition.
2356 let isPredicable = 1 in
2357 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2358 // should be sufficient.
2359 // FIXME: Is B really a Barrier? That doesn't seem right.
2360 def B : ARMPseudoExpand<(outs), (ins arm_br_target:$target), 4, IIC_Br,
2361 [(br bb:$target)], (Bcc arm_br_target:$target,
2362 (ops 14, zero_reg))>,
2365 let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
2366 def BR_JTr : ARMPseudoInst<(outs),
2367 (ins GPR:$target, i32imm:$jt),
2369 [(ARMbrjt GPR:$target, tjumptable:$jt)]>,
2371 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2372 // into i12 and rs suffixed versions.
2373 def BR_JTm : ARMPseudoInst<(outs),
2374 (ins addrmode2:$target, i32imm:$jt),
2376 [(ARMbrjt (i32 (load addrmode2:$target)),
2377 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2378 def BR_JTadd : ARMPseudoInst<(outs),
2379 (ins GPR:$target, GPR:$idx, i32imm:$jt),
2381 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt)]>,
2382 Sched<[WriteBrTbl]>;
2383 } // isNotDuplicable = 1, isIndirectBranch = 1
2389 def BLXi : AXI<(outs), (ins arm_blx_target:$target), BrMiscFrm, NoItinerary,
2390 "blx\t$target", []>,
2391 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2392 let Inst{31-25} = 0b1111101;
2394 let Inst{23-0} = target{24-1};
2395 let Inst{24} = target{0};
2399 // Branch and Exchange Jazelle
2400 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2401 [/* pattern left blank */]>, Sched<[WriteBr]> {
2403 let Inst{23-20} = 0b0010;
2404 let Inst{19-8} = 0xfff;
2405 let Inst{7-4} = 0b0010;
2406 let Inst{3-0} = func;
2412 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2413 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2416 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2419 def TAILJMPd : ARMPseudoExpand<(outs), (ins arm_br_target:$dst),
2421 (Bcc arm_br_target:$dst, (ops 14, zero_reg))>,
2422 Requires<[IsARM]>, Sched<[WriteBr]>;
2424 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2426 (BX GPR:$dst)>, Sched<[WriteBr]>,
2430 // Secure Monitor Call is a system instruction.
2431 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2432 []>, Requires<[IsARM, HasTrustZone]> {
2434 let Inst{23-4} = 0b01100000000000000111;
2435 let Inst{3-0} = opt;
2437 def : MnemonicAlias<"smi", "smc">;
2439 // Supervisor Call (Software Interrupt)
2440 let isCall = 1, Uses = [SP] in {
2441 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2444 let Inst{23-0} = svc;
2448 // Store Return State
2449 class SRSI<bit wb, string asm>
2450 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2451 NoItinerary, asm, "", []> {
2453 let Inst{31-28} = 0b1111;
2454 let Inst{27-25} = 0b100;
2458 let Inst{19-16} = 0b1101; // SP
2459 let Inst{15-5} = 0b00000101000;
2460 let Inst{4-0} = mode;
2463 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2464 let Inst{24-23} = 0;
2466 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2467 let Inst{24-23} = 0;
2469 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2470 let Inst{24-23} = 0b10;
2472 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2473 let Inst{24-23} = 0b10;
2475 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2476 let Inst{24-23} = 0b01;
2478 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2479 let Inst{24-23} = 0b01;
2481 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2482 let Inst{24-23} = 0b11;
2484 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2485 let Inst{24-23} = 0b11;
2488 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2489 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2491 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2492 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2494 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2495 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2497 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2498 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2500 // Return From Exception
2501 class RFEI<bit wb, string asm>
2502 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2503 NoItinerary, asm, "", []> {
2505 let Inst{31-28} = 0b1111;
2506 let Inst{27-25} = 0b100;
2510 let Inst{19-16} = Rn;
2511 let Inst{15-0} = 0xa00;
2514 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2515 let Inst{24-23} = 0;
2517 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2518 let Inst{24-23} = 0;
2520 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2521 let Inst{24-23} = 0b10;
2523 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2524 let Inst{24-23} = 0b10;
2526 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2527 let Inst{24-23} = 0b01;
2529 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2530 let Inst{24-23} = 0b01;
2532 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2533 let Inst{24-23} = 0b11;
2535 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2536 let Inst{24-23} = 0b11;
2539 // Hypervisor Call is a system instruction
2541 def HVC : AInoP< (outs), (ins imm0_65535:$imm), BrFrm, NoItinerary,
2542 "hvc", "\t$imm", []>,
2543 Requires<[IsARM, HasVirtualization]> {
2546 // Even though HVC isn't predicable, it's encoding includes a condition field.
2547 // The instruction is undefined if the condition field is 0xf otherwise it is
2548 // unpredictable if it isn't condition AL (0xe).
2549 let Inst{31-28} = 0b1110;
2550 let Unpredictable{31-28} = 0b1111;
2551 let Inst{27-24} = 0b0001;
2552 let Inst{23-20} = 0b0100;
2553 let Inst{19-8} = imm{15-4};
2554 let Inst{7-4} = 0b0111;
2555 let Inst{3-0} = imm{3-0};
2559 // Return from exception in Hypervisor mode.
2560 let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
2561 def ERET : ABI<0b0001, (outs), (ins), NoItinerary, "eret", "", []>,
2562 Requires<[IsARM, HasVirtualization]> {
2563 let Inst{23-0} = 0b011000000000000001101110;
2566 //===----------------------------------------------------------------------===//
2567 // Load / Store Instructions.
2573 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si, load>;
2574 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2576 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si, store>;
2577 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2580 // Special LDR for loads from non-pc-relative constpools.
2581 let canFoldAsLoad = 1, mayLoad = 1, hasSideEffects = 0,
2582 isReMaterializable = 1, isCodeGenOnly = 1 in
2583 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2584 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2588 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2589 let Inst{19-16} = 0b1111;
2590 let Inst{15-12} = Rt;
2591 let Inst{11-0} = addr{11-0}; // imm12
2594 // Loads with zero extension
2595 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2596 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2597 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2599 // Loads with sign extension
2600 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2601 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2602 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2604 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2605 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2606 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2608 let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
2610 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2611 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2612 Requires<[IsARM, HasV5TE]>;
2615 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2616 NoItinerary, "lda", "\t$Rt, $addr", []>;
2617 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2618 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2619 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2620 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2623 multiclass AI2_ldridx<bit isByte, string opc,
2624 InstrItinClass iii, InstrItinClass iir> {
2625 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2626 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2627 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2630 let Inst{23} = addr{12};
2631 let Inst{19-16} = addr{16-13};
2632 let Inst{11-0} = addr{11-0};
2633 let DecoderMethod = "DecodeLDRPreImm";
2636 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2637 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2638 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2641 let Inst{23} = addr{12};
2642 let Inst{19-16} = addr{16-13};
2643 let Inst{11-0} = addr{11-0};
2645 let DecoderMethod = "DecodeLDRPreReg";
2648 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2649 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2650 IndexModePost, LdFrm, iir,
2651 opc, "\t$Rt, $addr, $offset",
2652 "$addr.base = $Rn_wb", []> {
2658 let Inst{23} = offset{12};
2659 let Inst{19-16} = addr;
2660 let Inst{11-0} = offset{11-0};
2663 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2666 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2667 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2668 IndexModePost, LdFrm, iii,
2669 opc, "\t$Rt, $addr, $offset",
2670 "$addr.base = $Rn_wb", []> {
2676 let Inst{23} = offset{12};
2677 let Inst{19-16} = addr;
2678 let Inst{11-0} = offset{11-0};
2680 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2685 let mayLoad = 1, hasSideEffects = 0 in {
2686 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2687 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2688 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2689 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2692 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2693 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2694 (ins addrmode3_pre:$addr), IndexModePre,
2696 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2698 let Inst{23} = addr{8}; // U bit
2699 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2700 let Inst{19-16} = addr{12-9}; // Rn
2701 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2702 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2703 let DecoderMethod = "DecodeAddrMode3Instruction";
2705 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2706 (ins addr_offset_none:$addr, am3offset:$offset),
2707 IndexModePost, LdMiscFrm, itin,
2708 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2712 let Inst{23} = offset{8}; // U bit
2713 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2714 let Inst{19-16} = addr;
2715 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2716 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2717 let DecoderMethod = "DecodeAddrMode3Instruction";
2721 let mayLoad = 1, hasSideEffects = 0 in {
2722 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2723 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2724 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2725 let hasExtraDefRegAllocReq = 1 in {
2726 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2727 (ins addrmode3_pre:$addr), IndexModePre,
2728 LdMiscFrm, IIC_iLoad_d_ru,
2729 "ldrd", "\t$Rt, $Rt2, $addr!",
2730 "$addr.base = $Rn_wb", []> {
2732 let Inst{23} = addr{8}; // U bit
2733 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2734 let Inst{19-16} = addr{12-9}; // Rn
2735 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2736 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2737 let DecoderMethod = "DecodeAddrMode3Instruction";
2739 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2740 (ins addr_offset_none:$addr, am3offset:$offset),
2741 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2742 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2743 "$addr.base = $Rn_wb", []> {
2746 let Inst{23} = offset{8}; // U bit
2747 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2748 let Inst{19-16} = addr;
2749 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2750 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2751 let DecoderMethod = "DecodeAddrMode3Instruction";
2753 } // hasExtraDefRegAllocReq = 1
2754 } // mayLoad = 1, hasSideEffects = 0
2756 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2757 let mayLoad = 1, hasSideEffects = 0 in {
2758 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2759 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2760 IndexModePost, LdFrm, IIC_iLoad_ru,
2761 "ldrt", "\t$Rt, $addr, $offset",
2762 "$addr.base = $Rn_wb", []> {
2768 let Inst{23} = offset{12};
2769 let Inst{21} = 1; // overwrite
2770 let Inst{19-16} = addr;
2771 let Inst{11-5} = offset{11-5};
2773 let Inst{3-0} = offset{3-0};
2774 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2778 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2779 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2780 IndexModePost, LdFrm, IIC_iLoad_ru,
2781 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2787 let Inst{23} = offset{12};
2788 let Inst{21} = 1; // overwrite
2789 let Inst{19-16} = addr;
2790 let Inst{11-0} = offset{11-0};
2791 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2794 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2795 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2796 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2797 "ldrbt", "\t$Rt, $addr, $offset",
2798 "$addr.base = $Rn_wb", []> {
2804 let Inst{23} = offset{12};
2805 let Inst{21} = 1; // overwrite
2806 let Inst{19-16} = addr;
2807 let Inst{11-5} = offset{11-5};
2809 let Inst{3-0} = offset{3-0};
2810 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2814 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2815 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2816 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2817 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2823 let Inst{23} = offset{12};
2824 let Inst{21} = 1; // overwrite
2825 let Inst{19-16} = addr;
2826 let Inst{11-0} = offset{11-0};
2827 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2830 multiclass AI3ldrT<bits<4> op, string opc> {
2831 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2832 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2833 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2834 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2836 let Inst{23} = offset{8};
2838 let Inst{11-8} = offset{7-4};
2839 let Inst{3-0} = offset{3-0};
2841 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2842 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2843 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2844 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2846 let Inst{23} = Rm{4};
2849 let Unpredictable{11-8} = 0b1111;
2850 let Inst{3-0} = Rm{3-0};
2851 let DecoderMethod = "DecodeLDR";
2855 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2856 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2857 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2861 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2865 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2868 // Pseudo instruction ldr Rt, =immediate
2870 : ARMAsmPseudo<"ldr${q} $Rt, $immediate",
2871 (ins const_pool_asm_imm:$immediate, pred:$q),
2876 // Stores with truncate
2877 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2878 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2879 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2882 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2883 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2884 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2885 Requires<[IsARM, HasV5TE]> {
2891 multiclass AI2_stridx<bit isByte, string opc,
2892 InstrItinClass iii, InstrItinClass iir> {
2893 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2894 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2896 opc, "\t$Rt, $addr!",
2897 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2900 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2901 let Inst{19-16} = addr{16-13}; // Rn
2902 let Inst{11-0} = addr{11-0}; // imm12
2903 let DecoderMethod = "DecodeSTRPreImm";
2906 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2907 (ins GPR:$Rt, ldst_so_reg:$addr),
2908 IndexModePre, StFrm, iir,
2909 opc, "\t$Rt, $addr!",
2910 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2913 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2914 let Inst{19-16} = addr{16-13}; // Rn
2915 let Inst{11-0} = addr{11-0};
2916 let Inst{4} = 0; // Inst{4} = 0
2917 let DecoderMethod = "DecodeSTRPreReg";
2919 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2920 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2921 IndexModePost, StFrm, iir,
2922 opc, "\t$Rt, $addr, $offset",
2923 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2929 let Inst{23} = offset{12};
2930 let Inst{19-16} = addr;
2931 let Inst{11-0} = offset{11-0};
2934 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2937 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2938 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2939 IndexModePost, StFrm, iii,
2940 opc, "\t$Rt, $addr, $offset",
2941 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2947 let Inst{23} = offset{12};
2948 let Inst{19-16} = addr;
2949 let Inst{11-0} = offset{11-0};
2951 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2955 let mayStore = 1, hasSideEffects = 0 in {
2956 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2957 // IIC_iStore_siu depending on whether it the offset register is shifted.
2958 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2959 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2962 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2963 am2offset_reg:$offset),
2964 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2965 am2offset_reg:$offset)>;
2966 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2967 am2offset_imm:$offset),
2968 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2969 am2offset_imm:$offset)>;
2970 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2971 am2offset_reg:$offset),
2972 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2973 am2offset_reg:$offset)>;
2974 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2975 am2offset_imm:$offset),
2976 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2977 am2offset_imm:$offset)>;
2979 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2980 // put the patterns on the instruction definitions directly as ISel wants
2981 // the address base and offset to be separate operands, not a single
2982 // complex operand like we represent the instructions themselves. The
2983 // pseudos map between the two.
2984 let usesCustomInserter = 1,
2985 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2986 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2987 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2990 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2991 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2992 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2995 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2996 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2997 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
3000 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
3001 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3002 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
3005 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
3006 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
3007 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
3010 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
3015 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
3016 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
3017 StMiscFrm, IIC_iStore_bh_ru,
3018 "strh", "\t$Rt, $addr!",
3019 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
3021 let Inst{23} = addr{8}; // U bit
3022 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3023 let Inst{19-16} = addr{12-9}; // Rn
3024 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3025 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3026 let DecoderMethod = "DecodeAddrMode3Instruction";
3029 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
3030 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
3031 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
3032 "strh", "\t$Rt, $addr, $offset",
3033 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb",
3034 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
3035 addr_offset_none:$addr,
3036 am3offset:$offset))]> {
3039 let Inst{23} = offset{8}; // U bit
3040 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3041 let Inst{19-16} = addr;
3042 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3043 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3044 let DecoderMethod = "DecodeAddrMode3Instruction";
3047 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
3048 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
3049 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
3050 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
3051 "strd", "\t$Rt, $Rt2, $addr!",
3052 "$addr.base = $Rn_wb", []> {
3054 let Inst{23} = addr{8}; // U bit
3055 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3056 let Inst{19-16} = addr{12-9}; // Rn
3057 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3058 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3059 let DecoderMethod = "DecodeAddrMode3Instruction";
3062 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
3063 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
3065 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
3066 "strd", "\t$Rt, $Rt2, $addr, $offset",
3067 "$addr.base = $Rn_wb", []> {
3070 let Inst{23} = offset{8}; // U bit
3071 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3072 let Inst{19-16} = addr;
3073 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3074 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3075 let DecoderMethod = "DecodeAddrMode3Instruction";
3077 } // mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1
3079 // STRT, STRBT, and STRHT
3081 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3082 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3083 IndexModePost, StFrm, IIC_iStore_bh_ru,
3084 "strbt", "\t$Rt, $addr, $offset",
3085 "$addr.base = $Rn_wb", []> {
3091 let Inst{23} = offset{12};
3092 let Inst{21} = 1; // overwrite
3093 let Inst{19-16} = addr;
3094 let Inst{11-5} = offset{11-5};
3096 let Inst{3-0} = offset{3-0};
3097 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3101 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3102 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3103 IndexModePost, StFrm, IIC_iStore_bh_ru,
3104 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3110 let Inst{23} = offset{12};
3111 let Inst{21} = 1; // overwrite
3112 let Inst{19-16} = addr;
3113 let Inst{11-0} = offset{11-0};
3114 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3118 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
3119 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3121 let mayStore = 1, hasSideEffects = 0 in {
3122 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3123 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3124 IndexModePost, StFrm, IIC_iStore_ru,
3125 "strt", "\t$Rt, $addr, $offset",
3126 "$addr.base = $Rn_wb", []> {
3132 let Inst{23} = offset{12};
3133 let Inst{21} = 1; // overwrite
3134 let Inst{19-16} = addr;
3135 let Inst{11-5} = offset{11-5};
3137 let Inst{3-0} = offset{3-0};
3138 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3142 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3143 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3144 IndexModePost, StFrm, IIC_iStore_ru,
3145 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3151 let Inst{23} = offset{12};
3152 let Inst{21} = 1; // overwrite
3153 let Inst{19-16} = addr;
3154 let Inst{11-0} = offset{11-0};
3155 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3160 : ARMAsmPseudo<"strt${q} $Rt, $addr",
3161 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3163 multiclass AI3strT<bits<4> op, string opc> {
3164 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3165 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
3166 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3167 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
3169 let Inst{23} = offset{8};
3171 let Inst{11-8} = offset{7-4};
3172 let Inst{3-0} = offset{3-0};
3174 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3175 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
3176 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3177 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
3179 let Inst{23} = Rm{4};
3182 let Inst{3-0} = Rm{3-0};
3187 defm STRHT : AI3strT<0b1011, "strht">;
3189 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3190 NoItinerary, "stl", "\t$Rt, $addr", []>;
3191 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3192 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3193 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3194 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3196 //===----------------------------------------------------------------------===//
3197 // Load / store multiple Instructions.
3200 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3201 InstrItinClass itin, InstrItinClass itin_upd> {
3202 // IA is the default, so no need for an explicit suffix on the
3203 // mnemonic here. Without it is the canonical spelling.
3205 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3206 IndexModeNone, f, itin,
3207 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3208 let Inst{24-23} = 0b01; // Increment After
3209 let Inst{22} = P_bit;
3210 let Inst{21} = 0; // No writeback
3211 let Inst{20} = L_bit;
3214 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3215 IndexModeUpd, f, itin_upd,
3216 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3217 let Inst{24-23} = 0b01; // Increment After
3218 let Inst{22} = P_bit;
3219 let Inst{21} = 1; // Writeback
3220 let Inst{20} = L_bit;
3222 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3225 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3226 IndexModeNone, f, itin,
3227 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3228 let Inst{24-23} = 0b00; // Decrement After
3229 let Inst{22} = P_bit;
3230 let Inst{21} = 0; // No writeback
3231 let Inst{20} = L_bit;
3234 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3235 IndexModeUpd, f, itin_upd,
3236 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3237 let Inst{24-23} = 0b00; // Decrement After
3238 let Inst{22} = P_bit;
3239 let Inst{21} = 1; // Writeback
3240 let Inst{20} = L_bit;
3242 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3245 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3246 IndexModeNone, f, itin,
3247 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3248 let Inst{24-23} = 0b10; // Decrement Before
3249 let Inst{22} = P_bit;
3250 let Inst{21} = 0; // No writeback
3251 let Inst{20} = L_bit;
3254 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3255 IndexModeUpd, f, itin_upd,
3256 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3257 let Inst{24-23} = 0b10; // Decrement Before
3258 let Inst{22} = P_bit;
3259 let Inst{21} = 1; // Writeback
3260 let Inst{20} = L_bit;
3262 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3265 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3266 IndexModeNone, f, itin,
3267 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3268 let Inst{24-23} = 0b11; // Increment Before
3269 let Inst{22} = P_bit;
3270 let Inst{21} = 0; // No writeback
3271 let Inst{20} = L_bit;
3274 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3275 IndexModeUpd, f, itin_upd,
3276 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3277 let Inst{24-23} = 0b11; // Increment Before
3278 let Inst{22} = P_bit;
3279 let Inst{21} = 1; // Writeback
3280 let Inst{20} = L_bit;
3282 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3286 let hasSideEffects = 0 in {
3288 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3289 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3290 IIC_iLoad_mu>, ComplexDeprecationPredicate<"ARMLoad">;
3292 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3293 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3295 ComplexDeprecationPredicate<"ARMStore">;
3299 // FIXME: remove when we have a way to marking a MI with these properties.
3300 // FIXME: Should pc be an implicit operand like PICADD, etc?
3301 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3302 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3303 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3304 reglist:$regs, variable_ops),
3305 4, IIC_iLoad_mBr, [],
3306 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3307 RegConstraint<"$Rn = $wb">;
3309 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3310 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3313 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3314 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3319 //===----------------------------------------------------------------------===//
3320 // Move Instructions.
3323 let hasSideEffects = 0 in
3324 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3325 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3329 let Inst{19-16} = 0b0000;
3330 let Inst{11-4} = 0b00000000;
3333 let Inst{15-12} = Rd;
3336 // A version for the smaller set of tail call registers.
3337 let hasSideEffects = 0 in
3338 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3339 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3343 let Inst{11-4} = 0b00000000;
3346 let Inst{15-12} = Rd;
3349 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3350 DPSoRegRegFrm, IIC_iMOVsr,
3351 "mov", "\t$Rd, $src",
3352 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3356 let Inst{15-12} = Rd;
3357 let Inst{19-16} = 0b0000;
3358 let Inst{11-8} = src{11-8};
3360 let Inst{6-5} = src{6-5};
3362 let Inst{3-0} = src{3-0};
3366 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3367 DPSoRegImmFrm, IIC_iMOVsr,
3368 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3369 UnaryDP, Sched<[WriteALU]> {
3372 let Inst{15-12} = Rd;
3373 let Inst{19-16} = 0b0000;
3374 let Inst{11-5} = src{11-5};
3376 let Inst{3-0} = src{3-0};
3380 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3381 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm, IIC_iMOVi,
3382 "mov", "\t$Rd, $imm", [(set GPR:$Rd, mod_imm:$imm)]>, UnaryDP,
3387 let Inst{15-12} = Rd;
3388 let Inst{19-16} = 0b0000;
3389 let Inst{11-0} = imm;
3392 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3393 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3395 "movw", "\t$Rd, $imm",
3396 [(set GPR:$Rd, imm0_65535:$imm)]>,
3397 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3400 let Inst{15-12} = Rd;
3401 let Inst{11-0} = imm{11-0};
3402 let Inst{19-16} = imm{15-12};
3405 let DecoderMethod = "DecodeArmMOVTWInstruction";
3408 def : InstAlias<"mov${p} $Rd, $imm",
3409 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p), 0>,
3410 Requires<[IsARM, HasV6T2]>;
3412 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3413 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3416 let Constraints = "$src = $Rd" in {
3417 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3418 (ins GPR:$src, imm0_65535_expr:$imm),
3420 "movt", "\t$Rd, $imm",
3422 (or (and GPR:$src, 0xffff),
3423 lo16AllZero:$imm))]>, UnaryDP,
3424 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3427 let Inst{15-12} = Rd;
3428 let Inst{11-0} = imm{11-0};
3429 let Inst{19-16} = imm{15-12};
3432 let DecoderMethod = "DecodeArmMOVTWInstruction";
3435 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3436 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3441 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3442 Requires<[IsARM, HasV6T2]>;
3444 let Uses = [CPSR] in
3445 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3446 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3447 Requires<[IsARM]>, Sched<[WriteALU]>;
3449 // These aren't really mov instructions, but we have to define them this way
3450 // due to flag operands.
3452 let Defs = [CPSR] in {
3453 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3454 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3455 Sched<[WriteALU]>, Requires<[IsARM]>;
3456 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3457 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3458 Sched<[WriteALU]>, Requires<[IsARM]>;
3461 //===----------------------------------------------------------------------===//
3462 // Extend Instructions.
3467 def SXTB : AI_ext_rrot<0b01101010,
3468 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3469 def SXTH : AI_ext_rrot<0b01101011,
3470 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3472 def SXTAB : AI_exta_rrot<0b01101010,
3473 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3474 def SXTAH : AI_exta_rrot<0b01101011,
3475 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3477 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, rot_imm:$rot), i8)),
3478 (SXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3479 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, imm8_or_16:$rot),
3481 (SXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3483 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3484 def : ARMV6Pat<(int_arm_sxtb16 GPR:$Src),
3485 (SXTB16 GPR:$Src, 0)>;
3487 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3488 def : ARMV6Pat<(int_arm_sxtab16 GPR:$LHS, GPR:$RHS),
3489 (SXTAB16 GPR:$LHS, GPR:$RHS, 0)>;
3493 let AddedComplexity = 16 in {
3494 def UXTB : AI_ext_rrot<0b01101110,
3495 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3496 def UXTH : AI_ext_rrot<0b01101111,
3497 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3498 def UXTB16 : AI_ext_rrot<0b01101100,
3499 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3501 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3502 // The transformation should probably be done as a combiner action
3503 // instead so we can include a check for masking back in the upper
3504 // eight bits of the source into the lower eight bits of the result.
3505 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3506 // (UXTB16r_rot GPR:$Src, 3)>;
3507 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3508 (UXTB16 GPR:$Src, 1)>;
3509 def : ARMV6Pat<(int_arm_uxtb16 GPR:$Src),
3510 (UXTB16 GPR:$Src, 0)>;
3512 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3513 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3514 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3515 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3517 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, rot_imm:$rot), 0xFF)),
3518 (UXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3519 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, imm8_or_16:$rot), 0xFFFF)),
3520 (UXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3523 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3524 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3525 def : ARMV6Pat<(int_arm_uxtab16 GPR:$LHS, GPR:$RHS),
3526 (UXTAB16 GPR:$LHS, GPR:$RHS, 0)>;
3529 def SBFX : I<(outs GPRnopc:$Rd),
3530 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3531 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3532 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3533 Requires<[IsARM, HasV6T2]> {
3538 let Inst{27-21} = 0b0111101;
3539 let Inst{6-4} = 0b101;
3540 let Inst{20-16} = width;
3541 let Inst{15-12} = Rd;
3542 let Inst{11-7} = lsb;
3546 def UBFX : I<(outs GPRnopc:$Rd),
3547 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3548 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3549 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3550 Requires<[IsARM, HasV6T2]> {
3555 let Inst{27-21} = 0b0111111;
3556 let Inst{6-4} = 0b101;
3557 let Inst{20-16} = width;
3558 let Inst{15-12} = Rd;
3559 let Inst{11-7} = lsb;
3563 //===----------------------------------------------------------------------===//
3564 // Arithmetic Instructions.
3568 defm ADD : AsI1_bin_irs<0b0100, "add",
3569 IIC_iALUi, IIC_iALUr, IIC_iALUsr, add, 1>;
3570 defm SUB : AsI1_bin_irs<0b0010, "sub",
3571 IIC_iALUi, IIC_iALUr, IIC_iALUsr, sub>;
3573 // ADD and SUB with 's' bit set.
3575 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3576 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3577 // AdjustInstrPostInstrSelection where we determine whether or not to
3578 // set the "s" bit based on CPSR liveness.
3580 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3581 // support for an optional CPSR definition that corresponds to the DAG
3582 // node's second value. We can then eliminate the implicit def of CPSR.
3584 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMaddc, 1>;
3585 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3588 defm ADC : AI1_adde_sube_irs<0b0101, "adc", ARMadde, 1>;
3589 defm SBC : AI1_adde_sube_irs<0b0110, "sbc", ARMsube>;
3591 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3592 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3595 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3596 // CPSR and the implicit def of CPSR is not needed.
3597 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3599 defm RSC : AI1_rsc_irs<0b0111, "rsc", ARMsube>;
3601 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3602 // The assume-no-carry-in form uses the negation of the input since add/sub
3603 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3604 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3606 def : ARMPat<(add GPR:$src, mod_imm_neg:$imm),
3607 (SUBri GPR:$src, mod_imm_neg:$imm)>;
3608 def : ARMPat<(ARMaddc GPR:$src, mod_imm_neg:$imm),
3609 (SUBSri GPR:$src, mod_imm_neg:$imm)>;
3611 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3612 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3613 Requires<[IsARM, HasV6T2]>;
3614 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3615 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3616 Requires<[IsARM, HasV6T2]>;
3618 // The with-carry-in form matches bitwise not instead of the negation.
3619 // Effectively, the inverse interpretation of the carry flag already accounts
3620 // for part of the negation.
3621 def : ARMPat<(ARMadde GPR:$src, mod_imm_not:$imm, CPSR),
3622 (SBCri GPR:$src, mod_imm_not:$imm)>;
3623 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3624 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>,
3625 Requires<[IsARM, HasV6T2]>;
3627 // Note: These are implemented in C++ code, because they have to generate
3628 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3630 // (mul X, 2^n+1) -> (add (X << n), X)
3631 // (mul X, 2^n-1) -> (rsb X, (X << n))
3633 // ARM Arithmetic Instruction
3634 // GPR:$dst = GPR:$a op GPR:$b
3635 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3636 list<dag> pattern = [],
3637 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3638 string asm = "\t$Rd, $Rn, $Rm">
3639 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3640 Sched<[WriteALU, ReadALU, ReadALU]> {
3644 let Inst{27-20} = op27_20;
3645 let Inst{11-4} = op11_4;
3646 let Inst{19-16} = Rn;
3647 let Inst{15-12} = Rd;
3650 let Unpredictable{11-8} = 0b1111;
3653 // Wrappers around the AAI class
3654 class AAIRevOpr<bits<8> op27_20, bits<8> op11_4, string opc,
3655 list<dag> pattern = []>
3656 : AAI<op27_20, op11_4, opc,
3658 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3661 class AAIIntrinsic<bits<8> op27_20, bits<8> op11_4, string opc,
3662 Intrinsic intrinsic>
3663 : AAI<op27_20, op11_4, opc,
3664 [(set GPRnopc:$Rd, (intrinsic GPRnopc:$Rn, GPRnopc:$Rm))]>;
3666 // Saturating add/subtract
3667 let hasSideEffects = 1 in {
3668 def QADD8 : AAIIntrinsic<0b01100010, 0b11111001, "qadd8", int_arm_qadd8>;
3669 def QADD16 : AAIIntrinsic<0b01100010, 0b11110001, "qadd16", int_arm_qadd16>;
3670 def QSUB16 : AAIIntrinsic<0b01100010, 0b11110111, "qsub16", int_arm_qsub16>;
3671 def QSUB8 : AAIIntrinsic<0b01100010, 0b11111111, "qsub8", int_arm_qsub8>;
3673 def QDADD : AAIRevOpr<0b00010100, 0b00000101, "qdadd",
3674 [(set GPRnopc:$Rd, (int_arm_qadd (int_arm_qadd GPRnopc:$Rm,
3677 def QDSUB : AAIRevOpr<0b00010110, 0b00000101, "qdsub",
3678 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm,
3679 (int_arm_qadd GPRnopc:$Rn, GPRnopc:$Rn)))]>;
3680 def QSUB : AAIRevOpr<0b00010010, 0b00000101, "qsub",
3681 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))]>;
3682 let DecoderMethod = "DecodeQADDInstruction" in
3683 def QADD : AAIRevOpr<0b00010000, 0b00000101, "qadd",
3684 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))]>;
3687 def UQADD16 : AAIIntrinsic<0b01100110, 0b11110001, "uqadd16", int_arm_uqadd16>;
3688 def UQADD8 : AAIIntrinsic<0b01100110, 0b11111001, "uqadd8", int_arm_uqadd8>;
3689 def UQSUB16 : AAIIntrinsic<0b01100110, 0b11110111, "uqsub16", int_arm_uqsub16>;
3690 def UQSUB8 : AAIIntrinsic<0b01100110, 0b11111111, "uqsub8", int_arm_uqsub8>;
3691 def QASX : AAIIntrinsic<0b01100010, 0b11110011, "qasx", int_arm_qasx>;
3692 def QSAX : AAIIntrinsic<0b01100010, 0b11110101, "qsax", int_arm_qsax>;
3693 def UQASX : AAIIntrinsic<0b01100110, 0b11110011, "uqasx", int_arm_uqasx>;
3694 def UQSAX : AAIIntrinsic<0b01100110, 0b11110101, "uqsax", int_arm_uqsax>;
3696 // Signed/Unsigned add/subtract
3698 def SASX : AAIIntrinsic<0b01100001, 0b11110011, "sasx", int_arm_sasx>;
3699 def SADD16 : AAIIntrinsic<0b01100001, 0b11110001, "sadd16", int_arm_sadd16>;
3700 def SADD8 : AAIIntrinsic<0b01100001, 0b11111001, "sadd8", int_arm_sadd8>;
3701 def SSAX : AAIIntrinsic<0b01100001, 0b11110101, "ssax", int_arm_ssax>;
3702 def SSUB16 : AAIIntrinsic<0b01100001, 0b11110111, "ssub16", int_arm_ssub16>;
3703 def SSUB8 : AAIIntrinsic<0b01100001, 0b11111111, "ssub8", int_arm_ssub8>;
3704 def UASX : AAIIntrinsic<0b01100101, 0b11110011, "uasx", int_arm_uasx>;
3705 def UADD16 : AAIIntrinsic<0b01100101, 0b11110001, "uadd16", int_arm_uadd16>;
3706 def UADD8 : AAIIntrinsic<0b01100101, 0b11111001, "uadd8", int_arm_uadd8>;
3707 def USAX : AAIIntrinsic<0b01100101, 0b11110101, "usax", int_arm_usax>;
3708 def USUB16 : AAIIntrinsic<0b01100101, 0b11110111, "usub16", int_arm_usub16>;
3709 def USUB8 : AAIIntrinsic<0b01100101, 0b11111111, "usub8", int_arm_usub8>;
3711 // Signed/Unsigned halving add/subtract
3713 def SHASX : AAIIntrinsic<0b01100011, 0b11110011, "shasx", int_arm_shasx>;
3714 def SHADD16 : AAIIntrinsic<0b01100011, 0b11110001, "shadd16", int_arm_shadd16>;
3715 def SHADD8 : AAIIntrinsic<0b01100011, 0b11111001, "shadd8", int_arm_shadd8>;
3716 def SHSAX : AAIIntrinsic<0b01100011, 0b11110101, "shsax", int_arm_shsax>;
3717 def SHSUB16 : AAIIntrinsic<0b01100011, 0b11110111, "shsub16", int_arm_shsub16>;
3718 def SHSUB8 : AAIIntrinsic<0b01100011, 0b11111111, "shsub8", int_arm_shsub8>;
3719 def UHASX : AAIIntrinsic<0b01100111, 0b11110011, "uhasx", int_arm_uhasx>;
3720 def UHADD16 : AAIIntrinsic<0b01100111, 0b11110001, "uhadd16", int_arm_uhadd16>;
3721 def UHADD8 : AAIIntrinsic<0b01100111, 0b11111001, "uhadd8", int_arm_uhadd8>;
3722 def UHSAX : AAIIntrinsic<0b01100111, 0b11110101, "uhsax", int_arm_uhsax>;
3723 def UHSUB16 : AAIIntrinsic<0b01100111, 0b11110111, "uhsub16", int_arm_uhsub16>;
3724 def UHSUB8 : AAIIntrinsic<0b01100111, 0b11111111, "uhsub8", int_arm_uhsub8>;
3726 // Unsigned Sum of Absolute Differences [and Accumulate].
3728 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3729 MulFrm /* for convenience */, NoItinerary, "usad8",
3731 [(set GPR:$Rd, (int_arm_usad8 GPR:$Rn, GPR:$Rm))]>,
3732 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3736 let Inst{27-20} = 0b01111000;
3737 let Inst{15-12} = 0b1111;
3738 let Inst{7-4} = 0b0001;
3739 let Inst{19-16} = Rd;
3740 let Inst{11-8} = Rm;
3743 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3744 MulFrm /* for convenience */, NoItinerary, "usada8",
3745 "\t$Rd, $Rn, $Rm, $Ra",
3746 [(set GPR:$Rd, (int_arm_usada8 GPR:$Rn, GPR:$Rm, GPR:$Ra))]>,
3747 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3752 let Inst{27-20} = 0b01111000;
3753 let Inst{7-4} = 0b0001;
3754 let Inst{19-16} = Rd;
3755 let Inst{15-12} = Ra;
3756 let Inst{11-8} = Rm;
3760 // Signed/Unsigned saturate
3761 def SSAT : AI<(outs GPRnopc:$Rd),
3762 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3763 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3764 Requires<[IsARM,HasV6]>{
3769 let Inst{27-21} = 0b0110101;
3770 let Inst{5-4} = 0b01;
3771 let Inst{20-16} = sat_imm;
3772 let Inst{15-12} = Rd;
3773 let Inst{11-7} = sh{4-0};
3774 let Inst{6} = sh{5};
3778 def SSAT16 : AI<(outs GPRnopc:$Rd),
3779 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3780 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []>,
3781 Requires<[IsARM,HasV6]>{
3785 let Inst{27-20} = 0b01101010;
3786 let Inst{11-4} = 0b11110011;
3787 let Inst{15-12} = Rd;
3788 let Inst{19-16} = sat_imm;
3792 def USAT : AI<(outs GPRnopc:$Rd),
3793 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3794 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3795 Requires<[IsARM,HasV6]> {
3800 let Inst{27-21} = 0b0110111;
3801 let Inst{5-4} = 0b01;
3802 let Inst{15-12} = Rd;
3803 let Inst{11-7} = sh{4-0};
3804 let Inst{6} = sh{5};
3805 let Inst{20-16} = sat_imm;
3809 def USAT16 : AI<(outs GPRnopc:$Rd),
3810 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3811 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []>,
3812 Requires<[IsARM,HasV6]>{
3816 let Inst{27-20} = 0b01101110;
3817 let Inst{11-4} = 0b11110011;
3818 let Inst{15-12} = Rd;
3819 let Inst{19-16} = sat_imm;
3823 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm1_32:$pos),
3824 (SSAT imm1_32:$pos, GPRnopc:$a, 0)>;
3825 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm0_31:$pos),
3826 (USAT imm0_31:$pos, GPRnopc:$a, 0)>;
3827 def : ARMPat<(ARMssatnoshift GPRnopc:$Rn, imm0_31:$imm),
3828 (SSAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3829 def : ARMV6Pat<(int_arm_ssat16 GPRnopc:$a, imm1_16:$pos),
3830 (SSAT16 imm1_16:$pos, GPRnopc:$a)>;
3831 def : ARMV6Pat<(int_arm_usat16 GPRnopc:$a, imm0_15:$pos),
3832 (USAT16 imm0_15:$pos, GPRnopc:$a)>;
3834 //===----------------------------------------------------------------------===//
3835 // Bitwise Instructions.
3838 defm AND : AsI1_bin_irs<0b0000, "and",
3839 IIC_iBITi, IIC_iBITr, IIC_iBITsr, and, 1>;
3840 defm ORR : AsI1_bin_irs<0b1100, "orr",
3841 IIC_iBITi, IIC_iBITr, IIC_iBITsr, or, 1>;
3842 defm EOR : AsI1_bin_irs<0b0001, "eor",
3843 IIC_iBITi, IIC_iBITr, IIC_iBITsr, xor, 1>;
3844 defm BIC : AsI1_bin_irs<0b1110, "bic",
3845 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3846 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3848 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3849 // like in the actual instruction encoding. The complexity of mapping the mask
3850 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3851 // instruction description.
3852 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3853 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3854 "bfc", "\t$Rd, $imm", "$src = $Rd",
3855 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3856 Requires<[IsARM, HasV6T2]> {
3859 let Inst{27-21} = 0b0111110;
3860 let Inst{6-0} = 0b0011111;
3861 let Inst{15-12} = Rd;
3862 let Inst{11-7} = imm{4-0}; // lsb
3863 let Inst{20-16} = imm{9-5}; // msb
3866 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3867 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3868 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3869 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3870 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3871 bf_inv_mask_imm:$imm))]>,
3872 Requires<[IsARM, HasV6T2]> {
3876 let Inst{27-21} = 0b0111110;
3877 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3878 let Inst{15-12} = Rd;
3879 let Inst{11-7} = imm{4-0}; // lsb
3880 let Inst{20-16} = imm{9-5}; // width
3884 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3885 "mvn", "\t$Rd, $Rm",
3886 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3890 let Inst{19-16} = 0b0000;
3891 let Inst{11-4} = 0b00000000;
3892 let Inst{15-12} = Rd;
3895 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3896 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3897 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3902 let Inst{19-16} = 0b0000;
3903 let Inst{15-12} = Rd;
3904 let Inst{11-5} = shift{11-5};
3906 let Inst{3-0} = shift{3-0};
3908 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3909 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3910 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3915 let Inst{19-16} = 0b0000;
3916 let Inst{15-12} = Rd;
3917 let Inst{11-8} = shift{11-8};
3919 let Inst{6-5} = shift{6-5};
3921 let Inst{3-0} = shift{3-0};
3923 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3924 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm,
3925 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3926 [(set GPR:$Rd, mod_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3930 let Inst{19-16} = 0b0000;
3931 let Inst{15-12} = Rd;
3932 let Inst{11-0} = imm;
3935 let AddedComplexity = 1 in
3936 def : ARMPat<(and GPR:$src, mod_imm_not:$imm),
3937 (BICri GPR:$src, mod_imm_not:$imm)>;
3939 //===----------------------------------------------------------------------===//
3940 // Multiply Instructions.
3942 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3943 string opc, string asm, list<dag> pattern>
3944 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3948 let Inst{19-16} = Rd;
3949 let Inst{11-8} = Rm;
3952 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3953 string opc, string asm, list<dag> pattern>
3954 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3959 let Inst{19-16} = RdHi;
3960 let Inst{15-12} = RdLo;
3961 let Inst{11-8} = Rm;
3964 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3965 string opc, string asm, list<dag> pattern>
3966 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3971 let Inst{19-16} = RdHi;
3972 let Inst{15-12} = RdLo;
3973 let Inst{11-8} = Rm;
3977 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3978 // property. Remove them when it's possible to add those properties
3979 // on an individual MachineInstr, not just an instruction description.
3980 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3981 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3982 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3983 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3984 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3985 Requires<[IsARM, HasV6]>,
3986 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
3987 let Inst{15-12} = 0b0000;
3988 let Unpredictable{15-12} = 0b1111;
3991 let Constraints = "@earlyclobber $Rd" in
3992 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3993 pred:$p, cc_out:$s),
3995 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3996 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3997 Requires<[IsARM, NoV6, UseMulOps]>,
3998 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4001 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
4002 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
4003 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
4004 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
4005 Requires<[IsARM, HasV6, UseMulOps]>,
4006 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
4008 let Inst{15-12} = Ra;
4011 let Constraints = "@earlyclobber $Rd" in
4012 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
4013 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
4014 pred:$p, cc_out:$s), 4, IIC_iMAC32,
4015 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
4016 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
4017 Requires<[IsARM, NoV6]>,
4018 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4020 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4021 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
4022 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
4023 Requires<[IsARM, HasV6T2, UseMulOps]>,
4024 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
4029 let Inst{19-16} = Rd;
4030 let Inst{15-12} = Ra;
4031 let Inst{11-8} = Rm;
4035 // Extra precision multiplies with low / high results
4036 let hasSideEffects = 0 in {
4037 let isCommutable = 1 in {
4038 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
4039 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4040 "smull", "\t$RdLo, $RdHi, $Rn, $Rm",
4041 [(set GPR:$RdLo, GPR:$RdHi,
4042 (smullohi GPR:$Rn, GPR:$Rm))]>,
4043 Requires<[IsARM, HasV6]>,
4044 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4046 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
4047 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4048 "umull", "\t$RdLo, $RdHi, $Rn, $Rm",
4049 [(set GPR:$RdLo, GPR:$RdHi,
4050 (umullohi GPR:$Rn, GPR:$Rm))]>,
4051 Requires<[IsARM, HasV6]>,
4052 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL]>;
4054 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
4055 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4056 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4058 [(set GPR:$RdLo, GPR:$RdHi,
4059 (smullohi GPR:$Rn, GPR:$Rm))],
4060 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4061 Requires<[IsARM, NoV6]>,
4062 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4064 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4065 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4067 [(set GPR:$RdLo, GPR:$RdHi,
4068 (umullohi GPR:$Rn, GPR:$Rm))],
4069 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4070 Requires<[IsARM, NoV6]>,
4071 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4075 // Multiply + accumulate
4076 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
4077 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4078 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4079 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4080 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4081 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
4082 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4083 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4084 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4085 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4087 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
4088 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4090 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4091 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4092 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]> {
4097 let Inst{19-16} = RdHi;
4098 let Inst{15-12} = RdLo;
4099 let Inst{11-8} = Rm;
4104 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
4105 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4106 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4108 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4109 pred:$p, cc_out:$s)>,
4110 Requires<[IsARM, NoV6]>,
4111 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4112 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4113 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4115 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4116 pred:$p, cc_out:$s)>,
4117 Requires<[IsARM, NoV6]>,
4118 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4123 // Most significant word multiply
4124 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4125 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
4126 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
4127 Requires<[IsARM, HasV6]>,
4128 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4129 let Inst{15-12} = 0b1111;
4132 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4133 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
4134 Requires<[IsARM, HasV6]>,
4135 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4136 let Inst{15-12} = 0b1111;
4139 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
4140 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4141 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
4142 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
4143 Requires<[IsARM, HasV6, UseMulOps]>,
4144 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4146 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
4147 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4148 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
4149 Requires<[IsARM, HasV6]>,
4150 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4152 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
4153 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4154 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
4155 Requires<[IsARM, HasV6, UseMulOps]>,
4156 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4158 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
4159 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4160 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
4161 Requires<[IsARM, HasV6]>,
4162 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4164 multiclass AI_smul<string opc> {
4165 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4166 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
4167 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4168 (sext_inreg GPR:$Rm, i16)))]>,
4169 Requires<[IsARM, HasV5TE]>,
4170 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4172 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4173 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
4174 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4175 (sra GPR:$Rm, (i32 16))))]>,
4176 Requires<[IsARM, HasV5TE]>,
4177 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4179 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4180 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
4181 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4182 (sext_inreg GPR:$Rm, i16)))]>,
4183 Requires<[IsARM, HasV5TE]>,
4184 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4186 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4187 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
4188 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4189 (sra GPR:$Rm, (i32 16))))]>,
4190 Requires<[IsARM, HasV5TE]>,
4191 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4193 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4194 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
4195 [(set GPR:$Rd, (ARMsmulwb GPR:$Rn, GPR:$Rm))]>,
4196 Requires<[IsARM, HasV5TE]>,
4197 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4199 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4200 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
4201 [(set GPR:$Rd, (ARMsmulwt GPR:$Rn, GPR:$Rm))]>,
4202 Requires<[IsARM, HasV5TE]>,
4203 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4207 multiclass AI_smla<string opc> {
4208 let DecoderMethod = "DecodeSMLAInstruction" in {
4209 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
4210 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4211 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
4212 [(set GPRnopc:$Rd, (add GPR:$Ra,
4213 (mul (sext_inreg GPRnopc:$Rn, i16),
4214 (sext_inreg GPRnopc:$Rm, i16))))]>,
4215 Requires<[IsARM, HasV5TE, UseMulOps]>,
4216 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4218 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
4219 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4220 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
4222 (add GPR:$Ra, (mul (sext_inreg GPRnopc:$Rn, i16),
4223 (sra GPRnopc:$Rm, (i32 16)))))]>,
4224 Requires<[IsARM, HasV5TE, UseMulOps]>,
4225 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4227 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
4228 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4229 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
4231 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4232 (sext_inreg GPRnopc:$Rm, i16))))]>,
4233 Requires<[IsARM, HasV5TE, UseMulOps]>,
4234 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4236 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
4237 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4238 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
4240 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4241 (sra GPRnopc:$Rm, (i32 16)))))]>,
4242 Requires<[IsARM, HasV5TE, UseMulOps]>,
4243 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4245 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
4246 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4247 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
4249 (add GPR:$Ra, (ARMsmulwb GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4250 Requires<[IsARM, HasV5TE, UseMulOps]>,
4251 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4253 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
4254 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4255 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
4257 (add GPR:$Ra, (ARMsmulwt GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4258 Requires<[IsARM, HasV5TE, UseMulOps]>,
4259 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4263 defm SMUL : AI_smul<"smul">;
4264 defm SMLA : AI_smla<"smla">;
4266 // Halfword multiply accumulate long: SMLAL<x><y>.
4267 class SMLAL<bits<2> opc1, string asm>
4268 : AMulxyI64<0b0001010, opc1,
4269 (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4270 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4271 IIC_iMAC64, asm, "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4272 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4273 Requires<[IsARM, HasV5TE]>,
4274 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4276 def SMLALBB : SMLAL<0b00, "smlalbb">;
4277 def SMLALBT : SMLAL<0b10, "smlalbt">;
4278 def SMLALTB : SMLAL<0b01, "smlaltb">;
4279 def SMLALTT : SMLAL<0b11, "smlaltt">;
4281 def : ARMV5TEPat<(ARMsmlalbb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4282 (SMLALBB $Rn, $Rm, $RLo, $RHi)>;
4283 def : ARMV5TEPat<(ARMsmlalbt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4284 (SMLALBT $Rn, $Rm, $RLo, $RHi)>;
4285 def : ARMV5TEPat<(ARMsmlaltb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4286 (SMLALTB $Rn, $Rm, $RLo, $RHi)>;
4287 def : ARMV5TEPat<(ARMsmlaltt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4288 (SMLALTT $Rn, $Rm, $RLo, $RHi)>;
4290 // Helper class for AI_smld.
4291 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4292 InstrItinClass itin, string opc, string asm>
4293 : AI<oops, iops, MulFrm, itin, opc, asm, []>,
4294 Requires<[IsARM, HasV6]> {
4297 let Inst{27-23} = 0b01110;
4298 let Inst{22} = long;
4299 let Inst{21-20} = 0b00;
4300 let Inst{11-8} = Rm;
4307 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4308 InstrItinClass itin, string opc, string asm>
4309 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4311 let Inst{15-12} = 0b1111;
4312 let Inst{19-16} = Rd;
4314 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4315 InstrItinClass itin, string opc, string asm>
4316 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4319 let Inst{19-16} = Rd;
4320 let Inst{15-12} = Ra;
4322 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4323 InstrItinClass itin, string opc, string asm>
4324 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4327 let Inst{19-16} = RdHi;
4328 let Inst{15-12} = RdLo;
4331 multiclass AI_smld<bit sub, string opc> {
4333 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4334 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4335 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">,
4336 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4338 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4339 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4340 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">,
4341 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4343 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4344 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4346 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">,
4347 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4348 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4350 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4351 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4353 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">,
4354 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4355 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4358 defm SMLA : AI_smld<0, "smla">;
4359 defm SMLS : AI_smld<1, "smls">;
4361 def : ARMV6Pat<(int_arm_smlad GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4362 (SMLAD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4363 def : ARMV6Pat<(int_arm_smladx GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4364 (SMLADX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4365 def : ARMV6Pat<(int_arm_smlsd GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4366 (SMLSD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4367 def : ARMV6Pat<(int_arm_smlsdx GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4368 (SMLSDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra)>;
4369 def : ARMV6Pat<(ARMSmlald GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4370 (SMLALD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4371 def : ARMV6Pat<(ARMSmlaldx GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4372 (SMLALDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4373 def : ARMV6Pat<(ARMSmlsld GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4374 (SMLSLD GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4375 def : ARMV6Pat<(ARMSmlsldx GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4376 (SMLSLDX GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi)>;
4378 multiclass AI_sdml<bit sub, string opc> {
4380 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4381 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">,
4382 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4383 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4384 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">,
4385 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4388 defm SMUA : AI_sdml<0, "smua">;
4389 defm SMUS : AI_sdml<1, "smus">;
4391 def : ARMV6Pat<(int_arm_smuad GPRnopc:$Rn, GPRnopc:$Rm),
4392 (SMUAD GPRnopc:$Rn, GPRnopc:$Rm)>;
4393 def : ARMV6Pat<(int_arm_smuadx GPRnopc:$Rn, GPRnopc:$Rm),
4394 (SMUADX GPRnopc:$Rn, GPRnopc:$Rm)>;
4395 def : ARMV6Pat<(int_arm_smusd GPRnopc:$Rn, GPRnopc:$Rm),
4396 (SMUSD GPRnopc:$Rn, GPRnopc:$Rm)>;
4397 def : ARMV6Pat<(int_arm_smusdx GPRnopc:$Rn, GPRnopc:$Rm),
4398 (SMUSDX GPRnopc:$Rn, GPRnopc:$Rm)>;
4400 //===----------------------------------------------------------------------===//
4401 // Division Instructions (ARMv7-A with virtualization extension)
4403 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4404 "sdiv", "\t$Rd, $Rn, $Rm",
4405 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4406 Requires<[IsARM, HasDivideInARM]>,
4409 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4410 "udiv", "\t$Rd, $Rn, $Rm",
4411 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4412 Requires<[IsARM, HasDivideInARM]>,
4415 //===----------------------------------------------------------------------===//
4416 // Misc. Arithmetic Instructions.
4419 def CLZ : AMiscA1I<0b00010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4420 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4421 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4424 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4425 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4426 [(set GPR:$Rd, (bitreverse GPR:$Rm))]>,
4427 Requires<[IsARM, HasV6T2]>,
4430 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4431 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4432 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4435 let AddedComplexity = 5 in
4436 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4437 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4438 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4439 Requires<[IsARM, HasV6]>,
4442 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4443 (REV16 (LDRH addrmode3:$addr))>;
4444 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4445 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4447 let AddedComplexity = 5 in
4448 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4449 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4450 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4451 Requires<[IsARM, HasV6]>,
4454 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4455 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4458 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4459 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4460 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4461 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4462 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4464 Requires<[IsARM, HasV6]>,
4465 Sched<[WriteALUsi, ReadALU]>;
4467 // Alternate cases for PKHBT where identities eliminate some nodes.
4468 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4469 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4470 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4471 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4473 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4474 // will match the pattern below.
4475 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4476 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4477 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4478 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4479 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4481 Requires<[IsARM, HasV6]>,
4482 Sched<[WriteALUsi, ReadALU]>;
4484 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4485 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4486 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4487 // pkhtb src1, src2, asr (17..31).
4488 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4489 (srl GPRnopc:$src2, imm16:$sh)),
4490 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4491 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4492 (sra GPRnopc:$src2, imm16_31:$sh)),
4493 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4494 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4495 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4496 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4498 //===----------------------------------------------------------------------===//
4502 // + CRC32{B,H,W} 0x04C11DB7
4503 // + CRC32C{B,H,W} 0x1EDC6F41
4506 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4507 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4508 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4509 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4510 Requires<[IsARM, HasV8, HasCRC]> {
4515 let Inst{31-28} = 0b1110;
4516 let Inst{27-23} = 0b00010;
4517 let Inst{22-21} = sz;
4519 let Inst{19-16} = Rn;
4520 let Inst{15-12} = Rd;
4521 let Inst{11-10} = 0b00;
4524 let Inst{7-4} = 0b0100;
4527 let Unpredictable{11-8} = 0b1101;
4530 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4531 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4532 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4533 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4534 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4535 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4537 //===----------------------------------------------------------------------===//
4538 // ARMv8.1a Privilege Access Never extension
4542 def SETPAN : AInoP<(outs), (ins imm0_1:$imm), MiscFrm, NoItinerary, "setpan",
4543 "\t$imm", []>, Requires<[IsARM, HasV8, HasV8_1a]> {
4546 let Inst{31-28} = 0b1111;
4547 let Inst{27-20} = 0b00010001;
4548 let Inst{19-16} = 0b0000;
4549 let Inst{15-10} = 0b000000;
4552 let Inst{7-4} = 0b0000;
4553 let Inst{3-0} = 0b0000;
4555 let Unpredictable{19-16} = 0b1111;
4556 let Unpredictable{15-10} = 0b111111;
4557 let Unpredictable{8} = 0b1;
4558 let Unpredictable{3-0} = 0b1111;
4561 //===----------------------------------------------------------------------===//
4562 // Comparison Instructions...
4565 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4566 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, ARMcmp>;
4568 // ARMcmpZ can re-use the above instruction definitions.
4569 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm:$imm),
4570 (CMPri GPR:$src, mod_imm:$imm)>;
4571 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4572 (CMPrr GPR:$src, GPR:$rhs)>;
4573 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4574 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4575 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4576 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4578 // CMN register-integer
4579 let isCompare = 1, Defs = [CPSR] in {
4580 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, IIC_iCMPi,
4581 "cmn", "\t$Rn, $imm",
4582 [(ARMcmn GPR:$Rn, mod_imm:$imm)]>,
4583 Sched<[WriteCMP, ReadALU]> {
4588 let Inst{19-16} = Rn;
4589 let Inst{15-12} = 0b0000;
4590 let Inst{11-0} = imm;
4592 let Unpredictable{15-12} = 0b1111;
4595 // CMN register-register/shift
4596 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4597 "cmn", "\t$Rn, $Rm",
4598 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4599 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4602 let isCommutable = 1;
4605 let Inst{19-16} = Rn;
4606 let Inst{15-12} = 0b0000;
4607 let Inst{11-4} = 0b00000000;
4610 let Unpredictable{15-12} = 0b1111;
4613 def CMNzrsi : AI1<0b1011, (outs),
4614 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4615 "cmn", "\t$Rn, $shift",
4616 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4617 GPR:$Rn, so_reg_imm:$shift)]>,
4618 Sched<[WriteCMPsi, ReadALU]> {
4623 let Inst{19-16} = Rn;
4624 let Inst{15-12} = 0b0000;
4625 let Inst{11-5} = shift{11-5};
4627 let Inst{3-0} = shift{3-0};
4629 let Unpredictable{15-12} = 0b1111;
4632 def CMNzrsr : AI1<0b1011, (outs),
4633 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4634 "cmn", "\t$Rn, $shift",
4635 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4636 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4637 Sched<[WriteCMPsr, ReadALU]> {
4642 let Inst{19-16} = Rn;
4643 let Inst{15-12} = 0b0000;
4644 let Inst{11-8} = shift{11-8};
4646 let Inst{6-5} = shift{6-5};
4648 let Inst{3-0} = shift{3-0};
4650 let Unpredictable{15-12} = 0b1111;
4655 def : ARMPat<(ARMcmp GPR:$src, mod_imm_neg:$imm),
4656 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4658 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm_neg:$imm),
4659 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4661 // Note that TST/TEQ don't set all the same flags that CMP does!
4662 defm TST : AI1_cmp_irs<0b1000, "tst",
4663 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4664 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1,
4665 "DecodeTSTInstruction">;
4666 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4667 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4668 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4670 // Pseudo i64 compares for some floating point compares.
4671 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4673 def BCCi64 : PseudoInst<(outs),
4674 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4676 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4679 def BCCZi64 : PseudoInst<(outs),
4680 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4681 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4683 } // usesCustomInserter
4686 // Conditional moves
4687 let hasSideEffects = 0 in {
4689 let isCommutable = 1, isSelect = 1 in
4690 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4691 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4693 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4695 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4697 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4698 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4701 (ARMcmov GPR:$false, so_reg_imm:$shift,
4703 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4704 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4705 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4707 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4709 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4712 let isMoveImm = 1 in
4714 : ARMPseudoInst<(outs GPR:$Rd),
4715 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4717 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4719 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4722 let isMoveImm = 1 in
4723 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4724 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4726 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm:$imm,
4728 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4730 // Two instruction predicate mov immediate.
4731 let isMoveImm = 1 in
4733 : ARMPseudoInst<(outs GPR:$Rd),
4734 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4736 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4738 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4740 let isMoveImm = 1 in
4741 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4742 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4744 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm_not:$imm,
4746 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4751 //===----------------------------------------------------------------------===//
4752 // Atomic operations intrinsics
4755 def MemBarrierOptOperand : AsmOperandClass {
4756 let Name = "MemBarrierOpt";
4757 let ParserMethod = "parseMemBarrierOptOperand";
4759 def memb_opt : Operand<i32> {
4760 let PrintMethod = "printMemBOption";
4761 let ParserMatchClass = MemBarrierOptOperand;
4762 let DecoderMethod = "DecodeMemBarrierOption";
4765 def InstSyncBarrierOptOperand : AsmOperandClass {
4766 let Name = "InstSyncBarrierOpt";
4767 let ParserMethod = "parseInstSyncBarrierOptOperand";
4769 def instsyncb_opt : Operand<i32> {
4770 let PrintMethod = "printInstSyncBOption";
4771 let ParserMatchClass = InstSyncBarrierOptOperand;
4772 let DecoderMethod = "DecodeInstSyncBarrierOption";
4775 // Memory barriers protect the atomic sequences
4776 let hasSideEffects = 1 in {
4777 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4778 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4779 Requires<[IsARM, HasDB]> {
4781 let Inst{31-4} = 0xf57ff05;
4782 let Inst{3-0} = opt;
4785 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4786 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4787 Requires<[IsARM, HasDB]> {
4789 let Inst{31-4} = 0xf57ff04;
4790 let Inst{3-0} = opt;
4793 // ISB has only full system option
4794 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4795 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4796 Requires<[IsARM, HasDB]> {
4798 let Inst{31-4} = 0xf57ff06;
4799 let Inst{3-0} = opt;
4803 let usesCustomInserter = 1, Defs = [CPSR] in {
4805 // Pseudo instruction that combines movs + predicated rsbmi
4806 // to implement integer ABS
4807 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4810 let usesCustomInserter = 1 in {
4811 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4812 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4814 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4817 let hasPostISelHook = 1, Constraints = "$newdst = $dst, $newsrc = $src" in {
4818 // %newsrc, %newdst = MEMCPY %dst, %src, N, ...N scratch regs...
4819 // Copies N registers worth of memory from address %src to address %dst
4820 // and returns the incremented addresses. N scratch register will
4821 // be attached for the copy to use.
4822 def MEMCPY : PseudoInst<
4823 (outs GPR:$newdst, GPR:$newsrc),
4824 (ins GPR:$dst, GPR:$src, i32imm:$nreg, variable_ops),
4826 [(set GPR:$newdst, GPR:$newsrc,
4827 (ARMmemcopy GPR:$dst, GPR:$src, imm:$nreg))]>;
4830 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4831 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4834 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4835 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4838 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4839 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4842 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4843 (int_arm_strex node:$val, node:$ptr), [{
4844 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4847 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4848 (int_arm_strex node:$val, node:$ptr), [{
4849 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4852 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4853 (int_arm_strex node:$val, node:$ptr), [{
4854 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4857 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4858 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4861 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4862 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4865 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4866 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4869 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4870 (int_arm_stlex node:$val, node:$ptr), [{
4871 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4874 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4875 (int_arm_stlex node:$val, node:$ptr), [{
4876 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4879 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4880 (int_arm_stlex node:$val, node:$ptr), [{
4881 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4884 let mayLoad = 1 in {
4885 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4886 NoItinerary, "ldrexb", "\t$Rt, $addr",
4887 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4888 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4889 NoItinerary, "ldrexh", "\t$Rt, $addr",
4890 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4891 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4892 NoItinerary, "ldrex", "\t$Rt, $addr",
4893 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4894 let hasExtraDefRegAllocReq = 1 in
4895 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4896 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4897 let DecoderMethod = "DecodeDoubleRegLoad";
4900 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4901 NoItinerary, "ldaexb", "\t$Rt, $addr",
4902 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4903 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4904 NoItinerary, "ldaexh", "\t$Rt, $addr",
4905 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4906 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4907 NoItinerary, "ldaex", "\t$Rt, $addr",
4908 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4909 let hasExtraDefRegAllocReq = 1 in
4910 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4911 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4912 let DecoderMethod = "DecodeDoubleRegLoad";
4916 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4917 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4918 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4919 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4920 addr_offset_none:$addr))]>;
4921 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4922 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4923 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4924 addr_offset_none:$addr))]>;
4925 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4926 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4927 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4928 addr_offset_none:$addr))]>;
4929 let hasExtraSrcRegAllocReq = 1 in
4930 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4931 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4932 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4933 let DecoderMethod = "DecodeDoubleRegStore";
4935 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4936 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4938 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4939 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4940 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4942 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4943 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4944 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4946 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4947 let hasExtraSrcRegAllocReq = 1 in
4948 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4949 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4950 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4951 let DecoderMethod = "DecodeDoubleRegStore";
4955 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4957 Requires<[IsARM, HasV6K]> {
4958 let Inst{31-0} = 0b11110101011111111111000000011111;
4961 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4962 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4963 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4964 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4966 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4967 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
4968 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4969 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
4971 class acquiring_load<PatFrag base>
4972 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4973 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4974 return isAcquireOrStronger(Ordering);
4977 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4978 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4979 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4981 class releasing_store<PatFrag base>
4982 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4983 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4984 return isReleaseOrStronger(Ordering);
4987 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4988 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4989 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4991 let AddedComplexity = 8 in {
4992 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4993 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4994 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4995 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4996 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4997 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
5000 // SWP/SWPB are deprecated in V6/V7 and optional in v7VE.
5001 // FIXME Use InstAlias to generate LDREX/STREX pairs instead.
5002 let mayLoad = 1, mayStore = 1 in {
5003 def SWP : AIswp<0, (outs GPRnopc:$Rt),
5004 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
5005 Requires<[IsARM,PreV8]>;
5006 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
5007 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
5008 Requires<[IsARM,PreV8]>;
5011 //===----------------------------------------------------------------------===//
5012 // Coprocessor Instructions.
5015 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5016 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
5017 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
5018 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
5019 imm:$CRm, imm:$opc2)]>,
5020 Requires<[IsARM,PreV8]> {
5028 let Inst{3-0} = CRm;
5030 let Inst{7-5} = opc2;
5031 let Inst{11-8} = cop;
5032 let Inst{15-12} = CRd;
5033 let Inst{19-16} = CRn;
5034 let Inst{23-20} = opc1;
5037 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
5038 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
5039 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
5040 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
5041 imm:$CRm, imm:$opc2)]>,
5042 Requires<[IsARM,PreV8]> {
5043 let Inst{31-28} = 0b1111;
5051 let Inst{3-0} = CRm;
5053 let Inst{7-5} = opc2;
5054 let Inst{11-8} = cop;
5055 let Inst{15-12} = CRd;
5056 let Inst{19-16} = CRn;
5057 let Inst{23-20} = opc1;
5060 class ACI<dag oops, dag iops, string opc, string asm,
5061 list<dag> pattern, IndexMode im = IndexModeNone>
5062 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5063 opc, asm, "", pattern> {
5064 let Inst{27-25} = 0b110;
5066 class ACInoP<dag oops, dag iops, string opc, string asm,
5067 list<dag> pattern, IndexMode im = IndexModeNone>
5068 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5069 opc, asm, "", pattern> {
5070 let Inst{31-28} = 0b1111;
5071 let Inst{27-25} = 0b110;
5073 multiclass LdStCop<bit load, bit Dbit, string asm, list<dag> pattern> {
5074 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5075 asm, "\t$cop, $CRd, $addr", pattern> {
5079 let Inst{24} = 1; // P = 1
5080 let Inst{23} = addr{8};
5081 let Inst{22} = Dbit;
5082 let Inst{21} = 0; // W = 0
5083 let Inst{20} = load;
5084 let Inst{19-16} = addr{12-9};
5085 let Inst{15-12} = CRd;
5086 let Inst{11-8} = cop;
5087 let Inst{7-0} = addr{7-0};
5088 let DecoderMethod = "DecodeCopMemInstruction";
5090 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5091 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5095 let Inst{24} = 1; // P = 1
5096 let Inst{23} = addr{8};
5097 let Inst{22} = Dbit;
5098 let Inst{21} = 1; // W = 1
5099 let Inst{20} = load;
5100 let Inst{19-16} = addr{12-9};
5101 let Inst{15-12} = CRd;
5102 let Inst{11-8} = cop;
5103 let Inst{7-0} = addr{7-0};
5104 let DecoderMethod = "DecodeCopMemInstruction";
5106 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5107 postidx_imm8s4:$offset),
5108 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5113 let Inst{24} = 0; // P = 0
5114 let Inst{23} = offset{8};
5115 let Inst{22} = Dbit;
5116 let Inst{21} = 1; // W = 1
5117 let Inst{20} = load;
5118 let Inst{19-16} = addr;
5119 let Inst{15-12} = CRd;
5120 let Inst{11-8} = cop;
5121 let Inst{7-0} = offset{7-0};
5122 let DecoderMethod = "DecodeCopMemInstruction";
5124 def _OPTION : ACI<(outs),
5125 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5126 coproc_option_imm:$option),
5127 asm, "\t$cop, $CRd, $addr, $option", []> {
5132 let Inst{24} = 0; // P = 0
5133 let Inst{23} = 1; // U = 1
5134 let Inst{22} = Dbit;
5135 let Inst{21} = 0; // W = 0
5136 let Inst{20} = load;
5137 let Inst{19-16} = addr;
5138 let Inst{15-12} = CRd;
5139 let Inst{11-8} = cop;
5140 let Inst{7-0} = option;
5141 let DecoderMethod = "DecodeCopMemInstruction";
5144 multiclass LdSt2Cop<bit load, bit Dbit, string asm, list<dag> pattern> {
5145 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5146 asm, "\t$cop, $CRd, $addr", pattern> {
5150 let Inst{24} = 1; // P = 1
5151 let Inst{23} = addr{8};
5152 let Inst{22} = Dbit;
5153 let Inst{21} = 0; // W = 0
5154 let Inst{20} = load;
5155 let Inst{19-16} = addr{12-9};
5156 let Inst{15-12} = CRd;
5157 let Inst{11-8} = cop;
5158 let Inst{7-0} = addr{7-0};
5159 let DecoderMethod = "DecodeCopMemInstruction";
5161 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5162 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5166 let Inst{24} = 1; // P = 1
5167 let Inst{23} = addr{8};
5168 let Inst{22} = Dbit;
5169 let Inst{21} = 1; // W = 1
5170 let Inst{20} = load;
5171 let Inst{19-16} = addr{12-9};
5172 let Inst{15-12} = CRd;
5173 let Inst{11-8} = cop;
5174 let Inst{7-0} = addr{7-0};
5175 let DecoderMethod = "DecodeCopMemInstruction";
5177 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5178 postidx_imm8s4:$offset),
5179 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5184 let Inst{24} = 0; // P = 0
5185 let Inst{23} = offset{8};
5186 let Inst{22} = Dbit;
5187 let Inst{21} = 1; // W = 1
5188 let Inst{20} = load;
5189 let Inst{19-16} = addr;
5190 let Inst{15-12} = CRd;
5191 let Inst{11-8} = cop;
5192 let Inst{7-0} = offset{7-0};
5193 let DecoderMethod = "DecodeCopMemInstruction";
5195 def _OPTION : ACInoP<(outs),
5196 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5197 coproc_option_imm:$option),
5198 asm, "\t$cop, $CRd, $addr, $option", []> {
5203 let Inst{24} = 0; // P = 0
5204 let Inst{23} = 1; // U = 1
5205 let Inst{22} = Dbit;
5206 let Inst{21} = 0; // W = 0
5207 let Inst{20} = load;
5208 let Inst{19-16} = addr;
5209 let Inst{15-12} = CRd;
5210 let Inst{11-8} = cop;
5211 let Inst{7-0} = option;
5212 let DecoderMethod = "DecodeCopMemInstruction";
5216 defm LDC : LdStCop <1, 0, "ldc", [(int_arm_ldc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5217 defm LDCL : LdStCop <1, 1, "ldcl", [(int_arm_ldcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5218 defm LDC2 : LdSt2Cop<1, 0, "ldc2", [(int_arm_ldc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5219 defm LDC2L : LdSt2Cop<1, 1, "ldc2l", [(int_arm_ldc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5221 defm STC : LdStCop <0, 0, "stc", [(int_arm_stc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5222 defm STCL : LdStCop <0, 1, "stcl", [(int_arm_stcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5223 defm STC2 : LdSt2Cop<0, 0, "stc2", [(int_arm_stc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5224 defm STC2L : LdSt2Cop<0, 1, "stc2l", [(int_arm_stc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5226 //===----------------------------------------------------------------------===//
5227 // Move between coprocessor and ARM core register.
5230 class MovRCopro<string opc, bit direction, dag oops, dag iops,
5232 : ABI<0b1110, oops, iops, NoItinerary, opc,
5233 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
5234 let Inst{20} = direction;
5244 let Inst{15-12} = Rt;
5245 let Inst{11-8} = cop;
5246 let Inst{23-21} = opc1;
5247 let Inst{7-5} = opc2;
5248 let Inst{3-0} = CRm;
5249 let Inst{19-16} = CRn;
5252 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
5254 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5255 c_imm:$CRm, imm0_7:$opc2),
5256 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5257 imm:$CRm, imm:$opc2)]>,
5258 ComplexDeprecationPredicate<"MCR">;
5259 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
5260 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5261 c_imm:$CRm, 0, pred:$p)>;
5262 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
5263 (outs GPRwithAPSR:$Rt),
5264 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5266 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
5267 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5268 c_imm:$CRm, 0, pred:$p)>;
5270 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
5271 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5273 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5275 : ABXI<0b1110, oops, iops, NoItinerary,
5276 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5277 let Inst{31-24} = 0b11111110;
5278 let Inst{20} = direction;
5288 let Inst{15-12} = Rt;
5289 let Inst{11-8} = cop;
5290 let Inst{23-21} = opc1;
5291 let Inst{7-5} = opc2;
5292 let Inst{3-0} = CRm;
5293 let Inst{19-16} = CRn;
5296 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5298 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5299 c_imm:$CRm, imm0_7:$opc2),
5300 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5301 imm:$CRm, imm:$opc2)]>,
5302 Requires<[IsARM,PreV8]>;
5303 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
5304 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5306 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5307 (outs GPRwithAPSR:$Rt),
5308 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5310 Requires<[IsARM,PreV8]>;
5311 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
5312 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5315 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5316 imm:$CRm, imm:$opc2),
5317 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5319 class MovRRCopro<string opc, bit direction, dag oops, dag iops, list<dag>
5321 : ABI<0b1100, oops, iops, NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
5324 let Inst{23-21} = 0b010;
5325 let Inst{20} = direction;
5333 let Inst{15-12} = Rt;
5334 let Inst{19-16} = Rt2;
5335 let Inst{11-8} = cop;
5336 let Inst{7-4} = opc1;
5337 let Inst{3-0} = CRm;
5340 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5341 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5342 GPRnopc:$Rt2, c_imm:$CRm),
5343 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5344 GPRnopc:$Rt2, imm:$CRm)]>;
5345 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */,
5346 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5347 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5349 class MovRRCopro2<string opc, bit direction, dag oops, dag iops,
5350 list<dag> pattern = []>
5351 : ABXI<0b1100, oops, iops, NoItinerary,
5352 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5353 Requires<[IsARM,PreV8]> {
5354 let Inst{31-28} = 0b1111;
5355 let Inst{23-21} = 0b010;
5356 let Inst{20} = direction;
5364 let Inst{15-12} = Rt;
5365 let Inst{19-16} = Rt2;
5366 let Inst{11-8} = cop;
5367 let Inst{7-4} = opc1;
5368 let Inst{3-0} = CRm;
5370 let DecoderMethod = "DecoderForMRRC2AndMCRR2";
5373 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5374 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5375 GPRnopc:$Rt2, c_imm:$CRm),
5376 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5377 GPRnopc:$Rt2, imm:$CRm)]>;
5379 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */,
5380 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5381 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5383 //===----------------------------------------------------------------------===//
5384 // Move between special register and ARM core register
5387 // Move to ARM core register from Special Register
5388 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5389 "mrs", "\t$Rd, apsr", []> {
5391 let Inst{23-16} = 0b00001111;
5392 let Unpredictable{19-17} = 0b111;
5394 let Inst{15-12} = Rd;
5396 let Inst{11-0} = 0b000000000000;
5397 let Unpredictable{11-0} = 0b110100001111;
5400 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p), 0>,
5403 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5404 // section B9.3.9, with the R bit set to 1.
5405 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5406 "mrs", "\t$Rd, spsr", []> {
5408 let Inst{23-16} = 0b01001111;
5409 let Unpredictable{19-16} = 0b1111;
5411 let Inst{15-12} = Rd;
5413 let Inst{11-0} = 0b000000000000;
5414 let Unpredictable{11-0} = 0b110100001111;
5417 // However, the MRS (banked register) system instruction (ARMv7VE) *does* have a
5418 // separate encoding (distinguished by bit 5.
5419 def MRSbanked : ABI<0b0001, (outs GPRnopc:$Rd), (ins banked_reg:$banked),
5420 NoItinerary, "mrs", "\t$Rd, $banked", []>,
5421 Requires<[IsARM, HasVirtualization]> {
5426 let Inst{22} = banked{5}; // R bit
5427 let Inst{21-20} = 0b00;
5428 let Inst{19-16} = banked{3-0};
5429 let Inst{15-12} = Rd;
5430 let Inst{11-9} = 0b001;
5431 let Inst{8} = banked{4};
5432 let Inst{7-0} = 0b00000000;
5435 // Move from ARM core register to Special Register
5437 // No need to have both system and application versions of MSR (immediate) or
5438 // MSR (register), the encodings are the same and the assembly parser has no way
5439 // to distinguish between them. The mask operand contains the special register
5440 // (R Bit) in bit 4 and bits 3-0 contains the mask with the fields to be
5441 // accessed in the special register.
5442 let Defs = [CPSR] in
5443 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5444 "msr", "\t$mask, $Rn", []> {
5449 let Inst{22} = mask{4}; // R bit
5450 let Inst{21-20} = 0b10;
5451 let Inst{19-16} = mask{3-0};
5452 let Inst{15-12} = 0b1111;
5453 let Inst{11-4} = 0b00000000;
5457 let Defs = [CPSR] in
5458 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, mod_imm:$imm), NoItinerary,
5459 "msr", "\t$mask, $imm", []> {
5464 let Inst{22} = mask{4}; // R bit
5465 let Inst{21-20} = 0b10;
5466 let Inst{19-16} = mask{3-0};
5467 let Inst{15-12} = 0b1111;
5468 let Inst{11-0} = imm;
5471 // However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
5472 // separate encoding (distinguished by bit 5.
5473 def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
5474 NoItinerary, "msr", "\t$banked, $Rn", []>,
5475 Requires<[IsARM, HasVirtualization]> {
5480 let Inst{22} = banked{5}; // R bit
5481 let Inst{21-20} = 0b10;
5482 let Inst{19-16} = banked{3-0};
5483 let Inst{15-12} = 0b1111;
5484 let Inst{11-9} = 0b001;
5485 let Inst{8} = banked{4};
5486 let Inst{7-4} = 0b0000;
5490 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5491 // are needed to probe the stack when allocating more than
5492 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5493 // ensure that the guard pages used by the OS virtual memory manager are
5494 // allocated in correct sequence.
5495 // The main point of having separate instruction are extra unmodelled effects
5496 // (compared to ordinary calls) like stack pointer change.
5498 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5499 [SDNPHasChain, SDNPSideEffect]>;
5500 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5501 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5503 def win__dbzchk : SDNode<"ARMISD::WIN__DBZCHK", SDT_WIN__DBZCHK,
5504 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
5505 let usesCustomInserter = 1, Defs = [CPSR] in
5506 def WIN__DBZCHK : PseudoInst<(outs), (ins tGPR:$divisor), NoItinerary,
5507 [(win__dbzchk tGPR:$divisor)]>;
5509 //===----------------------------------------------------------------------===//
5513 // __aeabi_read_tp preserves the registers r1-r3.
5514 // This is a pseudo inst so that we can get the encoding right,
5515 // complete with fixup for the aeabi_read_tp function.
5516 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5517 // is defined in "ARMInstrThumb.td".
5519 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5520 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5521 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5524 //===----------------------------------------------------------------------===//
5525 // SJLJ Exception handling intrinsics
5526 // eh_sjlj_setjmp() is an instruction sequence to store the return
5527 // address and save #0 in R0 for the non-longjmp case.
5528 // Since by its nature we may be coming from some other function to get
5529 // here, and we're using the stack frame for the containing function to
5530 // save/restore registers, we can't keep anything live in regs across
5531 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5532 // when we get here from a longjmp(). We force everything out of registers
5533 // except for our own input by listing the relevant registers in Defs. By
5534 // doing so, we also cause the prologue/epilogue code to actively preserve
5535 // all of the callee-saved resgisters, which is exactly what we want.
5536 // A constant value is passed in $val, and we use the location as a scratch.
5538 // These are pseudo-instructions and are lowered to individual MC-insts, so
5539 // no encoding information is necessary.
5541 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5542 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5543 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5544 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5546 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5547 Requires<[IsARM, HasVFP2]>;
5551 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5552 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5553 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5555 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5556 Requires<[IsARM, NoVFP]>;
5559 // FIXME: Non-IOS version(s)
5560 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5561 Defs = [ R7, LR, SP ] in {
5562 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5564 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5568 let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1 in
5569 def Int_eh_sjlj_setup_dispatch : PseudoInst<(outs), (ins), NoItinerary,
5570 [(ARMeh_sjlj_setup_dispatch)]>;
5572 // eh.sjlj.dispatchsetup pseudo-instruction.
5573 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5574 // the pseudo is expanded (which happens before any passes that need the
5575 // instruction size).
5576 let isBarrier = 1 in
5577 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5580 //===----------------------------------------------------------------------===//
5581 // Non-Instruction Patterns
5584 // ARMv4 indirect branch using (MOVr PC, dst)
5585 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5586 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5587 4, IIC_Br, [(brind GPR:$dst)],
5588 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5589 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5591 // Large immediate handling.
5593 // 32-bit immediate using two piece mod_imms or movw + movt.
5594 // This is a single pseudo instruction, the benefit is that it can be remat'd
5595 // as a single unit instead of having to handle reg inputs.
5596 // FIXME: Remove this when we can do generalized remat.
5597 let isReMaterializable = 1, isMoveImm = 1 in
5598 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5599 [(set GPR:$dst, (arm_i32imm:$src))]>,
5602 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5603 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5604 Requires<[IsARM, DontUseMovt]>;
5606 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5607 // It also makes it possible to rematerialize the instructions.
5608 // FIXME: Remove this when we can do generalized remat and when machine licm
5609 // can properly the instructions.
5610 let isReMaterializable = 1 in {
5611 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5613 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5614 Requires<[IsARM, UseMovt]>;
5616 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5619 (ARMWrapperPIC tglobaladdr:$addr))]>,
5620 Requires<[IsARM, DontUseMovt]>;
5622 let AddedComplexity = 10 in
5623 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5626 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5627 Requires<[IsARM, DontUseMovt]>;
5629 let AddedComplexity = 10 in
5630 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5632 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5633 Requires<[IsARM, UseMovt]>;
5634 } // isReMaterializable
5636 // The many different faces of TLS access.
5637 def : ARMPat<(ARMWrapper tglobaltlsaddr :$dst),
5638 (MOVi32imm tglobaltlsaddr :$dst)>,
5639 Requires<[IsARM, UseMovt]>;
5641 def : Pat<(ARMWrapper tglobaltlsaddr:$src),
5642 (LDRLIT_ga_abs tglobaltlsaddr:$src)>,
5643 Requires<[IsARM, DontUseMovt]>;
5645 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5646 (MOV_ga_pcrel tglobaltlsaddr:$addr)>, Requires<[IsARM, UseMovt]>;
5648 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5649 (LDRLIT_ga_pcrel tglobaltlsaddr:$addr)>,
5650 Requires<[IsARM, DontUseMovt]>;
5651 let AddedComplexity = 10 in
5652 def : Pat<(load (ARMWrapperPIC tglobaltlsaddr:$addr)),
5653 (MOV_ga_pcrel_ldr tglobaltlsaddr:$addr)>,
5654 Requires<[IsARM, UseMovt]>;
5657 // ConstantPool, GlobalAddress, and JumpTable
5658 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5659 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5660 Requires<[IsARM, UseMovt]>;
5661 def : ARMPat<(ARMWrapper texternalsym :$dst), (MOVi32imm texternalsym :$dst)>,
5662 Requires<[IsARM, UseMovt]>;
5663 def : ARMPat<(ARMWrapperJT tjumptable:$dst),
5664 (LEApcrelJT tjumptable:$dst)>;
5666 // TODO: add,sub,and, 3-instr forms?
5668 // Tail calls. These patterns also apply to Thumb mode.
5669 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5670 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5671 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5674 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5675 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5676 (BMOVPCB_CALL texternalsym:$func)>;
5678 // zextload i1 -> zextload i8
5679 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5680 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5682 // extload -> zextload
5683 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5684 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5685 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5686 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5688 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5690 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5691 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5694 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5695 (SMULBB GPR:$a, GPR:$b)>,
5696 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5697 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5698 (SMULBT GPR:$a, GPR:$b)>,
5699 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5700 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5701 (SMULTB GPR:$a, GPR:$b)>,
5702 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5703 def : ARMV5MOPat<(add GPR:$acc,
5704 (mul sext_16_node:$a, sext_16_node:$b)),
5705 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>,
5706 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5707 def : ARMV5MOPat<(add GPR:$acc,
5708 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5709 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>,
5710 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5711 def : ARMV5MOPat<(add GPR:$acc,
5712 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5713 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>,
5714 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5716 def : ARMV5TEPat<(int_arm_smulbb GPR:$a, GPR:$b),
5717 (SMULBB GPR:$a, GPR:$b)>;
5718 def : ARMV5TEPat<(int_arm_smulbt GPR:$a, GPR:$b),
5719 (SMULBT GPR:$a, GPR:$b)>;
5720 def : ARMV5TEPat<(int_arm_smultb GPR:$a, GPR:$b),
5721 (SMULTB GPR:$a, GPR:$b)>;
5722 def : ARMV5TEPat<(int_arm_smultt GPR:$a, GPR:$b),
5723 (SMULTT GPR:$a, GPR:$b)>;
5724 def : ARMV5TEPat<(int_arm_smulwb GPR:$a, GPR:$b),
5725 (SMULWB GPR:$a, GPR:$b)>;
5726 def : ARMV5TEPat<(int_arm_smulwt GPR:$a, GPR:$b),
5727 (SMULWT GPR:$a, GPR:$b)>;
5729 def : ARMV5TEPat<(int_arm_smlabb GPR:$a, GPR:$b, GPR:$acc),
5730 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
5731 def : ARMV5TEPat<(int_arm_smlabt GPR:$a, GPR:$b, GPR:$acc),
5732 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
5733 def : ARMV5TEPat<(int_arm_smlatb GPR:$a, GPR:$b, GPR:$acc),
5734 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
5735 def : ARMV5TEPat<(int_arm_smlatt GPR:$a, GPR:$b, GPR:$acc),
5736 (SMLATT GPR:$a, GPR:$b, GPR:$acc)>;
5737 def : ARMV5TEPat<(int_arm_smlawb GPR:$a, GPR:$b, GPR:$acc),
5738 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
5739 def : ARMV5TEPat<(int_arm_smlawt GPR:$a, GPR:$b, GPR:$acc),
5740 (SMLAWT GPR:$a, GPR:$b, GPR:$acc)>;
5742 // Pre-v7 uses MCR for synchronization barriers.
5743 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5744 Requires<[IsARM, HasV6]>;
5746 // SXT/UXT with no rotate
5747 let AddedComplexity = 16 in {
5748 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5749 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5750 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5751 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5752 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5753 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5754 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5757 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5758 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5760 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5761 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5762 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5763 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5765 // Atomic load/store patterns
5766 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5767 (LDRBrs ldst_so_reg:$src)>;
5768 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5769 (LDRBi12 addrmode_imm12:$src)>;
5770 def : ARMPat<(atomic_load_16 addrmode3:$src),
5771 (LDRH addrmode3:$src)>;
5772 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5773 (LDRrs ldst_so_reg:$src)>;
5774 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5775 (LDRi12 addrmode_imm12:$src)>;
5776 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5777 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5778 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5779 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5780 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5781 (STRH GPR:$val, addrmode3:$ptr)>;
5782 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5783 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5784 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5785 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5788 //===----------------------------------------------------------------------===//
5792 include "ARMInstrThumb.td"
5794 //===----------------------------------------------------------------------===//
5798 include "ARMInstrThumb2.td"
5800 //===----------------------------------------------------------------------===//
5801 // Floating Point Support
5804 include "ARMInstrVFP.td"
5806 //===----------------------------------------------------------------------===//
5807 // Advanced SIMD (NEON) Support
5810 include "ARMInstrNEON.td"
5812 //===----------------------------------------------------------------------===//
5813 // Assembler aliases
5817 def : InstAlias<"dmb", (DMB 0xf), 0>, Requires<[IsARM, HasDB]>;
5818 def : InstAlias<"dsb", (DSB 0xf), 0>, Requires<[IsARM, HasDB]>;
5819 def : InstAlias<"isb", (ISB 0xf), 0>, Requires<[IsARM, HasDB]>;
5821 // System instructions
5822 def : MnemonicAlias<"swi", "svc">;
5824 // Load / Store Multiple
5825 def : MnemonicAlias<"ldmfd", "ldm">;
5826 def : MnemonicAlias<"ldmia", "ldm">;
5827 def : MnemonicAlias<"ldmea", "ldmdb">;
5828 def : MnemonicAlias<"stmfd", "stmdb">;
5829 def : MnemonicAlias<"stmia", "stm">;
5830 def : MnemonicAlias<"stmea", "stm">;
5832 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
5833 // input operands swapped when the shift amount is zero (i.e., unspecified).
5834 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5835 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p), 0>,
5836 Requires<[IsARM, HasV6]>;
5837 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5838 (PKHBT GPRnopc:$Rd, GPRnopc:$Rm, GPRnopc:$Rn, 0, pred:$p), 0>,
5839 Requires<[IsARM, HasV6]>;
5841 // PUSH/POP aliases for STM/LDM
5842 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5843 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5845 // SSAT/USAT optional shift operand.
5846 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5847 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5848 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5849 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5852 // Extend instruction optional rotate operand.
5853 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5854 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5855 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5856 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5857 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5858 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5859 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5860 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5861 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5862 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5863 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5864 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5866 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5867 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5868 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5869 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5870 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5871 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5872 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5873 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5874 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5875 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5876 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5877 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5881 def : MnemonicAlias<"rfefa", "rfeda">;
5882 def : MnemonicAlias<"rfeea", "rfedb">;
5883 def : MnemonicAlias<"rfefd", "rfeia">;
5884 def : MnemonicAlias<"rfeed", "rfeib">;
5885 def : MnemonicAlias<"rfe", "rfeia">;
5888 def : MnemonicAlias<"srsfa", "srsib">;
5889 def : MnemonicAlias<"srsea", "srsia">;
5890 def : MnemonicAlias<"srsfd", "srsdb">;
5891 def : MnemonicAlias<"srsed", "srsda">;
5892 def : MnemonicAlias<"srs", "srsia">;
5895 def : MnemonicAlias<"qsubaddx", "qsax">;
5897 def : MnemonicAlias<"saddsubx", "sasx">;
5898 // SHASX == SHADDSUBX
5899 def : MnemonicAlias<"shaddsubx", "shasx">;
5900 // SHSAX == SHSUBADDX
5901 def : MnemonicAlias<"shsubaddx", "shsax">;
5903 def : MnemonicAlias<"ssubaddx", "ssax">;
5905 def : MnemonicAlias<"uaddsubx", "uasx">;
5906 // UHASX == UHADDSUBX
5907 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5908 // UHSAX == UHSUBADDX
5909 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5910 // UQASX == UQADDSUBX
5911 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5912 // UQSAX == UQSUBADDX
5913 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5915 def : MnemonicAlias<"usubaddx", "usax">;
5917 // "mov Rd, mod_imm_not" can be handled via "mvn" in assembly, just like
5919 def : ARMInstSubst<"mov${s}${p} $Rd, $imm",
5920 (MVNi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5921 def : ARMInstSubst<"mvn${s}${p} $Rd, $imm",
5922 (MOVi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5923 // Same for AND <--> BIC
5924 def : ARMInstSubst<"bic${s}${p} $Rd, $Rn, $imm",
5925 (ANDri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5926 pred:$p, cc_out:$s)>;
5927 def : ARMInstSubst<"bic${s}${p} $Rdn, $imm",
5928 (ANDri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5929 pred:$p, cc_out:$s)>;
5930 def : ARMInstSubst<"and${s}${p} $Rd, $Rn, $imm",
5931 (BICri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5932 pred:$p, cc_out:$s)>;
5933 def : ARMInstSubst<"and${s}${p} $Rdn, $imm",
5934 (BICri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5935 pred:$p, cc_out:$s)>;
5937 // Likewise, "add Rd, mod_imm_neg" -> sub
5938 def : ARMInstSubst<"add${s}${p} $Rd, $Rn, $imm",
5939 (SUBri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5940 def : ARMInstSubst<"add${s}${p} $Rd, $imm",
5941 (SUBri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5942 // Likewise, "sub Rd, mod_imm_neg" -> add
5943 def : ARMInstSubst<"sub${s}${p} $Rd, $Rn, $imm",
5944 (ADDri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5945 def : ARMInstSubst<"sub${s}${p} $Rd, $imm",
5946 (ADDri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5949 def : ARMInstSubst<"adc${s}${p} $Rd, $Rn, $imm",
5950 (SBCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5951 def : ARMInstSubst<"adc${s}${p} $Rdn, $imm",
5952 (SBCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5953 def : ARMInstSubst<"sbc${s}${p} $Rd, $Rn, $imm",
5954 (ADCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5955 def : ARMInstSubst<"sbc${s}${p} $Rdn, $imm",
5956 (ADCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5958 // Same for CMP <--> CMN via mod_imm_neg
5959 def : ARMInstSubst<"cmp${p} $Rd, $imm",
5960 (CMNri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5961 def : ARMInstSubst<"cmn${p} $Rd, $imm",
5962 (CMPri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5964 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5965 // LSR, ROR, and RRX instructions.
5966 // FIXME: We need C++ parser hooks to map the alias to the MOV
5967 // encoding. It seems we should be able to do that sort of thing
5968 // in tblgen, but it could get ugly.
5969 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5970 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5971 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5973 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5974 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5976 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5977 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5979 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5980 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5983 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5984 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5985 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5986 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5987 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5989 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5990 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5992 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5993 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5995 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5996 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
6000 // "neg" is and alias for "rsb rd, rn, #0"
6001 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
6002 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
6004 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
6005 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
6006 Requires<[IsARM, NoV6]>;
6008 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
6009 // the instruction definitions need difference constraints pre-v6.
6010 // Use these aliases for the assembly parsing on pre-v6.
6011 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
6012 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s), 0>,
6013 Requires<[IsARM, NoV6]>;
6014 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
6015 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
6016 pred:$p, cc_out:$s), 0>,
6017 Requires<[IsARM, NoV6]>;
6018 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6019 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6020 Requires<[IsARM, NoV6]>;
6021 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6022 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6023 Requires<[IsARM, NoV6]>;
6024 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6025 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6026 Requires<[IsARM, NoV6]>;
6027 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
6028 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
6029 Requires<[IsARM, NoV6]>;
6031 // 'it' blocks in ARM mode just validate the predicates. The IT itself
6033 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
6034 ComplexDeprecationPredicate<"IT">;
6036 let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
6037 def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
6039 [(set GPR:$Rd, (int_arm_space imm:$size, GPR:$Rn))]>;
6041 //===----------------------------------
6042 // Atomic cmpxchg for -O0
6043 //===----------------------------------
6045 // The fast register allocator used during -O0 inserts spills to cover any VRegs
6046 // live across basic block boundaries. When this happens between an LDXR and an
6047 // STXR it can clear the exclusive monitor, causing all cmpxchg attempts to
6050 // Unfortunately, this means we have to have an alternative (expanded
6051 // post-regalloc) path for -O0 compilations. Fortunately this path can be
6052 // significantly more naive than the standard expansion: we conservatively
6053 // assume seq_cst, strong cmpxchg and omit clrex on failure.
6055 let Constraints = "@earlyclobber $Rd,@earlyclobber $status",
6056 mayLoad = 1, mayStore = 1 in {
6057 def CMP_SWAP_8 : PseudoInst<(outs GPR:$Rd, GPR:$status),
6058 (ins GPR:$addr, GPR:$desired, GPR:$new),
6059 NoItinerary, []>, Sched<[]>;
6061 def CMP_SWAP_16 : PseudoInst<(outs GPR:$Rd, GPR:$status),
6062 (ins GPR:$addr, GPR:$desired, GPR:$new),
6063 NoItinerary, []>, Sched<[]>;
6065 def CMP_SWAP_32 : PseudoInst<(outs GPR:$Rd, GPR:$status),
6066 (ins GPR:$addr, GPR:$desired, GPR:$new),
6067 NoItinerary, []>, Sched<[]>;
6069 def CMP_SWAP_64 : PseudoInst<(outs GPRPair:$Rd, GPR:$status),
6070 (ins GPR:$addr, GPRPair:$desired, GPRPair:$new),
6071 NoItinerary, []>, Sched<[]>;
6074 def CompilerBarrier : PseudoInst<(outs), (ins i32imm:$ordering), NoItinerary,
6075 [(atomic_fence imm:$ordering, 0)]> {
6076 let hasSideEffects = 1;
6078 let AsmString = "@ COMPILER BARRIER";