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>]>;
103 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
104 def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
105 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntUnaryOp>;
107 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
108 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
109 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
110 [SDNPHasChain, SDNPSideEffect,
111 SDNPOptInGlue, SDNPOutGlue]>;
112 def ARMcopystructbyval : SDNode<"ARMISD::COPY_STRUCT_BYVAL" ,
114 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
115 SDNPMayStore, SDNPMayLoad]>;
117 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
118 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
120 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
121 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
123 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
124 [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
127 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
128 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
129 def ARMintretflag : SDNode<"ARMISD::INTRET_FLAG", SDT_ARMcall,
130 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
131 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
134 def ARMssatnoshift : SDNode<"ARMISD::SSAT", SDTIntSatNoShOp, []>;
136 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
137 [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
139 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
141 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
144 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
147 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
150 def ARMcmn : SDNode<"ARMISD::CMN", SDT_ARMCmp,
153 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
154 [SDNPOutGlue, SDNPCommutative]>;
156 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
158 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
159 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
160 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
162 def ARMaddc : SDNode<"ARMISD::ADDC", SDTBinaryArithWithFlags,
164 def ARMsubc : SDNode<"ARMISD::SUBC", SDTBinaryArithWithFlags>;
165 def ARMadde : SDNode<"ARMISD::ADDE", SDTBinaryArithWithFlagsInOut>;
166 def ARMsube : SDNode<"ARMISD::SUBE", SDTBinaryArithWithFlagsInOut>;
168 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
169 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
170 SDT_ARMEH_SJLJ_Setjmp,
171 [SDNPHasChain, SDNPSideEffect]>;
172 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
173 SDT_ARMEH_SJLJ_Longjmp,
174 [SDNPHasChain, SDNPSideEffect]>;
175 def ARMeh_sjlj_setup_dispatch: SDNode<"ARMISD::EH_SJLJ_SETUP_DISPATCH",
176 SDT_ARMEH_SJLJ_SetupDispatch,
177 [SDNPHasChain, SDNPSideEffect]>;
179 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
180 [SDNPHasChain, SDNPSideEffect]>;
181 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDT_ARMPREFETCH,
182 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
184 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
185 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
187 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
189 def ARMmemcopy : SDNode<"ARMISD::MEMCPY", SDT_ARMMEMCPY,
190 [SDNPHasChain, SDNPInGlue, SDNPOutGlue,
191 SDNPMayStore, SDNPMayLoad]>;
193 def ARMsmulwb : SDNode<"ARMISD::SMULWB", SDTIntBinOp, []>;
194 def ARMsmulwt : SDNode<"ARMISD::SMULWT", SDTIntBinOp, []>;
195 def ARMsmlalbb : SDNode<"ARMISD::SMLALBB", SDT_LongMac, []>;
196 def ARMsmlalbt : SDNode<"ARMISD::SMLALBT", SDT_LongMac, []>;
197 def ARMsmlaltb : SDNode<"ARMISD::SMLALTB", SDT_LongMac, []>;
198 def ARMsmlaltt : SDNode<"ARMISD::SMLALTT", SDT_LongMac, []>;
200 //===----------------------------------------------------------------------===//
201 // ARM Instruction Predicate Definitions.
203 def HasV4T : Predicate<"Subtarget->hasV4TOps()">,
204 AssemblerPredicate<"HasV4TOps", "armv4t">;
205 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
206 def HasV5T : Predicate<"Subtarget->hasV5TOps()">,
207 AssemblerPredicate<"HasV5TOps", "armv5t">;
208 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">,
209 AssemblerPredicate<"HasV5TEOps", "armv5te">;
210 def HasV6 : Predicate<"Subtarget->hasV6Ops()">,
211 AssemblerPredicate<"HasV6Ops", "armv6">;
212 def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
213 def HasV6M : Predicate<"Subtarget->hasV6MOps()">,
214 AssemblerPredicate<"HasV6MOps",
215 "armv6m or armv6t2">;
216 def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">,
217 AssemblerPredicate<"HasV8MBaselineOps",
219 def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">,
220 AssemblerPredicate<"HasV8MMainlineOps",
222 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">,
223 AssemblerPredicate<"HasV6T2Ops", "armv6t2">;
224 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
225 def HasV6K : Predicate<"Subtarget->hasV6KOps()">,
226 AssemblerPredicate<"HasV6KOps", "armv6k">;
227 def NoV6K : Predicate<"!Subtarget->hasV6KOps()">;
228 def HasV7 : Predicate<"Subtarget->hasV7Ops()">,
229 AssemblerPredicate<"HasV7Ops", "armv7">;
230 def HasV8 : Predicate<"Subtarget->hasV8Ops()">,
231 AssemblerPredicate<"HasV8Ops", "armv8">;
232 def PreV8 : Predicate<"!Subtarget->hasV8Ops()">,
233 AssemblerPredicate<"!HasV8Ops", "armv7 or earlier">;
234 def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">,
235 AssemblerPredicate<"HasV8_1aOps", "armv8.1a">;
236 def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">,
237 AssemblerPredicate<"HasV8_2aOps", "armv8.2a">;
238 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
239 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">,
240 AssemblerPredicate<"FeatureVFP2", "VFP2">;
241 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">,
242 AssemblerPredicate<"FeatureVFP3", "VFP3">;
243 def HasVFP4 : Predicate<"Subtarget->hasVFP4()">,
244 AssemblerPredicate<"FeatureVFP4", "VFP4">;
245 def HasDPVFP : Predicate<"!Subtarget->isFPOnlySP()">,
246 AssemblerPredicate<"!FeatureVFPOnlySP",
247 "double precision VFP">;
248 def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
249 AssemblerPredicate<"FeatureFPARMv8", "FPARMv8">;
250 def HasNEON : Predicate<"Subtarget->hasNEON()">,
251 AssemblerPredicate<"FeatureNEON", "NEON">;
252 def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
253 AssemblerPredicate<"FeatureCrypto", "crypto">;
254 def HasCRC : Predicate<"Subtarget->hasCRC()">,
255 AssemblerPredicate<"FeatureCRC", "crc">;
256 def HasRAS : Predicate<"Subtarget->hasRAS()">,
257 AssemblerPredicate<"FeatureRAS", "ras">;
258 def HasFP16 : Predicate<"Subtarget->hasFP16()">,
259 AssemblerPredicate<"FeatureFP16","half-float conversions">;
260 def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">,
261 AssemblerPredicate<"FeatureFullFP16","full half-float">;
262 def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">,
263 AssemblerPredicate<"FeatureHWDivThumb", "divide in THUMB">;
264 def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">,
265 AssemblerPredicate<"FeatureHWDivARM", "divide in ARM">;
266 def HasDSP : Predicate<"Subtarget->hasDSP()">,
267 AssemblerPredicate<"FeatureDSP", "dsp">;
268 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
269 AssemblerPredicate<"FeatureDB",
271 def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">,
272 AssemblerPredicate<"FeatureV7Clrex",
274 def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">,
275 AssemblerPredicate<"FeatureAcquireRelease",
277 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
278 AssemblerPredicate<"FeatureMP",
280 def HasVirtualization: Predicate<"false">,
281 AssemblerPredicate<"FeatureVirtualization",
282 "virtualization-extensions">;
283 def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">,
284 AssemblerPredicate<"FeatureTrustZone",
286 def Has8MSecExt : Predicate<"Subtarget->has8MSecExt()">,
287 AssemblerPredicate<"Feature8MSecExt",
288 "ARMv8-M Security Extensions">;
289 def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">;
290 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
291 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
292 def IsThumb : Predicate<"Subtarget->isThumb()">,
293 AssemblerPredicate<"ModeThumb", "thumb">;
294 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
295 def IsThumb2 : Predicate<"Subtarget->isThumb2()">,
296 AssemblerPredicate<"ModeThumb,FeatureThumb2",
298 def IsMClass : Predicate<"Subtarget->isMClass()">,
299 AssemblerPredicate<"FeatureMClass", "armv*m">;
300 def IsNotMClass : Predicate<"!Subtarget->isMClass()">,
301 AssemblerPredicate<"!FeatureMClass",
303 def IsARM : Predicate<"!Subtarget->isThumb()">,
304 AssemblerPredicate<"!ModeThumb", "arm-mode">;
305 def IsMachO : Predicate<"Subtarget->isTargetMachO()">;
306 def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">;
307 def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">;
308 def IsWindows : Predicate<"Subtarget->isTargetWindows()">;
309 def IsNotWindows : Predicate<"!Subtarget->isTargetWindows()">;
310 def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">,
311 AssemblerPredicate<"FeatureNaClTrap", "NaCl">;
312 def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">;
314 def UseNegativeImmediates :
316 AssemblerPredicate<"!FeatureNoNegativeImmediates",
317 "NegativeImmediates">;
319 // FIXME: Eventually this will be just "hasV6T2Ops".
320 let RecomputePerFunction = 1 in {
321 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
322 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
324 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
325 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
327 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
328 // But only select them if more precision in FP computation is allowed.
329 // Do not use them for Darwin platforms.
330 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
331 " FPOpFusion::Fast && "
332 " Subtarget->hasVFP4()) && "
333 "!Subtarget->isTargetDarwin()">;
334 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
335 " FPOpFusion::Fast &&"
336 " Subtarget->hasVFP4()) || "
337 "Subtarget->isTargetDarwin()">;
339 def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
340 def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
342 def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
343 def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
345 def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
346 "!Subtarget->useNEONForSinglePrecisionFP()">;
347 def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
348 "Subtarget->useNEONForSinglePrecisionFP()">;
350 let RecomputePerFunction = 1 in {
351 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">;
352 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">;
355 def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">;
357 //===----------------------------------------------------------------------===//
358 // ARM Flag Definitions.
360 class RegConstraint<string C> {
361 string Constraints = C;
364 //===----------------------------------------------------------------------===//
365 // ARM specific transformation functions and pattern fragments.
368 // imm_neg_XFORM - Return the negation of an i32 immediate value.
369 def imm_neg_XFORM : SDNodeXForm<imm, [{
370 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), SDLoc(N), MVT::i32);
373 // imm_not_XFORM - Return the complement of a i32 immediate value.
374 def imm_not_XFORM : SDNodeXForm<imm, [{
375 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), SDLoc(N), MVT::i32);
378 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
379 def imm16_31 : ImmLeaf<i32, [{
380 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
383 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
384 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
385 if (CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17)
388 if (N->getOpcode() != ISD::SRA)
390 if (N->getOperand(0).getOpcode() != ISD::SHL)
393 auto *ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(1));
394 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
397 ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(0)->getOperand(1));
398 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
404 /// Split a 32-bit immediate into two 16 bit parts.
405 def hi16 : SDNodeXForm<imm, [{
406 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, SDLoc(N),
410 def lo16AllZero : PatLeaf<(i32 imm), [{
411 // Returns true if all low 16-bits are 0.
412 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
415 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
416 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
418 // An 'and' node with a single use.
419 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
420 return N->hasOneUse();
423 // An 'xor' node with a single use.
424 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
425 return N->hasOneUse();
428 // An 'fmul' node with a single use.
429 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
430 return N->hasOneUse();
433 // An 'fadd' node which checks for single non-hazardous use.
434 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
435 return hasNoVMLxHazardUse(N);
438 // An 'fsub' node which checks for single non-hazardous use.
439 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
440 return hasNoVMLxHazardUse(N);
443 //===----------------------------------------------------------------------===//
444 // Operand Definitions.
447 // Immediate operands with a shared generic asm render method.
448 class ImmAsmOperand<int Low, int High> : AsmOperandClass {
449 let RenderMethod = "addImmOperands";
450 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
451 let DiagnosticType = "ImmRange" # Low # "_" # High;
454 class ImmAsmOperandMinusOne<int Low, int High> : AsmOperandClass {
455 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
456 let DiagnosticType = "ImmRange" # Low # "_" # High;
459 // Operands that are part of a memory addressing mode.
460 class MemOperand : Operand<i32> { let OperandType = "OPERAND_MEMORY"; }
463 // FIXME: rename brtarget to t2_brtarget
464 def brtarget : Operand<OtherVT> {
465 let EncoderMethod = "getBranchTargetOpValue";
466 let OperandType = "OPERAND_PCREL";
467 let DecoderMethod = "DecodeT2BROperand";
470 // Branches targeting ARM-mode must be divisible by 4 if they're a raw
472 def ARMBranchTarget : AsmOperandClass {
473 let Name = "ARMBranchTarget";
476 // Branches targeting Thumb-mode must be divisible by 2 if they're a raw
478 def ThumbBranchTarget : AsmOperandClass {
479 let Name = "ThumbBranchTarget";
482 def arm_br_target : Operand<OtherVT> {
483 let ParserMatchClass = ARMBranchTarget;
484 let EncoderMethod = "getARMBranchTargetOpValue";
485 let OperandType = "OPERAND_PCREL";
488 // Call target for ARM. Handles conditional/unconditional
489 // FIXME: rename bl_target to t2_bltarget?
490 def arm_bl_target : Operand<i32> {
491 let ParserMatchClass = ARMBranchTarget;
492 let EncoderMethod = "getARMBLTargetOpValue";
493 let OperandType = "OPERAND_PCREL";
496 // Target for BLX *from* ARM mode.
497 def arm_blx_target : Operand<i32> {
498 let ParserMatchClass = ThumbBranchTarget;
499 let EncoderMethod = "getARMBLXTargetOpValue";
500 let OperandType = "OPERAND_PCREL";
503 // A list of registers separated by comma. Used by load/store multiple.
504 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
505 def reglist : Operand<i32> {
506 let EncoderMethod = "getRegisterListOpValue";
507 let ParserMatchClass = RegListAsmOperand;
508 let PrintMethod = "printRegisterList";
509 let DecoderMethod = "DecodeRegListOperand";
512 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
514 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
515 def dpr_reglist : Operand<i32> {
516 let EncoderMethod = "getRegisterListOpValue";
517 let ParserMatchClass = DPRRegListAsmOperand;
518 let PrintMethod = "printRegisterList";
519 let DecoderMethod = "DecodeDPRRegListOperand";
522 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
523 def spr_reglist : Operand<i32> {
524 let EncoderMethod = "getRegisterListOpValue";
525 let ParserMatchClass = SPRRegListAsmOperand;
526 let PrintMethod = "printRegisterList";
527 let DecoderMethod = "DecodeSPRRegListOperand";
530 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
531 def cpinst_operand : Operand<i32> {
532 let PrintMethod = "printCPInstOperand";
536 def pclabel : Operand<i32> {
537 let PrintMethod = "printPCLabel";
540 // ADR instruction labels.
541 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
542 def adrlabel : Operand<i32> {
543 let EncoderMethod = "getAdrLabelOpValue";
544 let ParserMatchClass = AdrLabelAsmOperand;
545 let PrintMethod = "printAdrLabelOperand<0>";
548 def neon_vcvt_imm32 : Operand<i32> {
549 let EncoderMethod = "getNEONVcvtImm32OpValue";
550 let DecoderMethod = "DecodeVCVTImmOperand";
553 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
554 def rot_imm_XFORM: SDNodeXForm<imm, [{
555 switch (N->getZExtValue()){
556 default: llvm_unreachable(nullptr);
557 case 0: return CurDAG->getTargetConstant(0, SDLoc(N), MVT::i32);
558 case 8: return CurDAG->getTargetConstant(1, SDLoc(N), MVT::i32);
559 case 16: return CurDAG->getTargetConstant(2, SDLoc(N), MVT::i32);
560 case 24: return CurDAG->getTargetConstant(3, SDLoc(N), MVT::i32);
563 def RotImmAsmOperand : AsmOperandClass {
565 let ParserMethod = "parseRotImm";
567 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
568 int32_t v = N->getZExtValue();
569 return v == 8 || v == 16 || v == 24; }],
571 let PrintMethod = "printRotImmOperand";
572 let ParserMatchClass = RotImmAsmOperand;
575 // shift_imm: An integer that encodes a shift amount and the type of shift
576 // (asr or lsl). The 6-bit immediate encodes as:
579 // {4-0} imm5 shift amount.
580 // asr #32 encoded as imm5 == 0.
581 def ShifterImmAsmOperand : AsmOperandClass {
582 let Name = "ShifterImm";
583 let ParserMethod = "parseShifterImm";
585 def shift_imm : Operand<i32> {
586 let PrintMethod = "printShiftImmOperand";
587 let ParserMatchClass = ShifterImmAsmOperand;
590 // shifter_operand operands: so_reg_reg, so_reg_imm, and mod_imm.
591 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
592 def so_reg_reg : Operand<i32>, // reg reg imm
593 ComplexPattern<i32, 3, "SelectRegShifterOperand",
594 [shl, srl, sra, rotr]> {
595 let EncoderMethod = "getSORegRegOpValue";
596 let PrintMethod = "printSORegRegOperand";
597 let DecoderMethod = "DecodeSORegRegOperand";
598 let ParserMatchClass = ShiftedRegAsmOperand;
599 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
602 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
603 def so_reg_imm : Operand<i32>, // reg imm
604 ComplexPattern<i32, 2, "SelectImmShifterOperand",
605 [shl, srl, sra, rotr]> {
606 let EncoderMethod = "getSORegImmOpValue";
607 let PrintMethod = "printSORegImmOperand";
608 let DecoderMethod = "DecodeSORegImmOperand";
609 let ParserMatchClass = ShiftedImmAsmOperand;
610 let MIOperandInfo = (ops GPR, i32imm);
613 // FIXME: Does this need to be distinct from so_reg?
614 def shift_so_reg_reg : Operand<i32>, // reg reg imm
615 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
616 [shl,srl,sra,rotr]> {
617 let EncoderMethod = "getSORegRegOpValue";
618 let PrintMethod = "printSORegRegOperand";
619 let DecoderMethod = "DecodeSORegRegOperand";
620 let ParserMatchClass = ShiftedRegAsmOperand;
621 let MIOperandInfo = (ops GPR, GPR, i32imm);
624 // FIXME: Does this need to be distinct from so_reg?
625 def shift_so_reg_imm : Operand<i32>, // reg reg imm
626 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
627 [shl,srl,sra,rotr]> {
628 let EncoderMethod = "getSORegImmOpValue";
629 let PrintMethod = "printSORegImmOperand";
630 let DecoderMethod = "DecodeSORegImmOperand";
631 let ParserMatchClass = ShiftedImmAsmOperand;
632 let MIOperandInfo = (ops GPR, i32imm);
635 // mod_imm: match a 32-bit immediate operand, which can be encoded into
636 // a 12-bit immediate; an 8-bit integer and a 4-bit rotator (See ARMARM
637 // - "Modified Immediate Constants"). Within the MC layer we keep this
638 // immediate in its encoded form.
639 def ModImmAsmOperand: AsmOperandClass {
641 let ParserMethod = "parseModImm";
643 def mod_imm : Operand<i32>, ImmLeaf<i32, [{
644 return ARM_AM::getSOImmVal(Imm) != -1;
646 let EncoderMethod = "getModImmOpValue";
647 let PrintMethod = "printModImmOperand";
648 let ParserMatchClass = ModImmAsmOperand;
651 // Note: the patterns mod_imm_not and mod_imm_neg do not require an encoder
652 // method and such, as they are only used on aliases (Pat<> and InstAlias<>).
653 // The actual parsing, encoding, decoding are handled by the destination
654 // instructions, which use mod_imm.
656 def ModImmNotAsmOperand : AsmOperandClass { let Name = "ModImmNot"; }
657 def mod_imm_not : Operand<i32>, PatLeaf<(imm), [{
658 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
660 let ParserMatchClass = ModImmNotAsmOperand;
663 def ModImmNegAsmOperand : AsmOperandClass { let Name = "ModImmNeg"; }
664 def mod_imm_neg : Operand<i32>, PatLeaf<(imm), [{
665 unsigned Value = -(unsigned)N->getZExtValue();
666 return Value && ARM_AM::getSOImmVal(Value) != -1;
668 let ParserMatchClass = ModImmNegAsmOperand;
671 /// arm_i32imm - True for +V6T2, or when isSOImmTwoParVal()
672 def arm_i32imm : PatLeaf<(imm), [{
673 if (Subtarget->useMovt(*MF))
675 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
678 /// imm0_1 predicate - Immediate in the range [0,1].
679 def Imm0_1AsmOperand: ImmAsmOperand<0,1> { let Name = "Imm0_1"; }
680 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
682 /// imm0_3 predicate - Immediate in the range [0,3].
683 def Imm0_3AsmOperand: ImmAsmOperand<0,3> { let Name = "Imm0_3"; }
684 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
686 /// imm0_7 predicate - Immediate in the range [0,7].
687 def Imm0_7AsmOperand: ImmAsmOperand<0,7> {
690 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
691 return Imm >= 0 && Imm < 8;
693 let ParserMatchClass = Imm0_7AsmOperand;
696 /// imm8_255 predicate - Immediate in the range [8,255].
697 def Imm8_255AsmOperand: ImmAsmOperand<8,255> { let Name = "Imm8_255"; }
698 def imm8_255 : Operand<i32>, ImmLeaf<i32, [{
699 return Imm >= 8 && Imm < 256;
701 let ParserMatchClass = Imm8_255AsmOperand;
704 /// imm8 predicate - Immediate is exactly 8.
705 def Imm8AsmOperand: ImmAsmOperand<8,8> { let Name = "Imm8"; }
706 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
707 let ParserMatchClass = Imm8AsmOperand;
710 /// imm16 predicate - Immediate is exactly 16.
711 def Imm16AsmOperand: ImmAsmOperand<16,16> { let Name = "Imm16"; }
712 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
713 let ParserMatchClass = Imm16AsmOperand;
716 /// imm32 predicate - Immediate is exactly 32.
717 def Imm32AsmOperand: ImmAsmOperand<32,32> { let Name = "Imm32"; }
718 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
719 let ParserMatchClass = Imm32AsmOperand;
722 def imm8_or_16 : ImmLeaf<i32, [{ return Imm == 8 || Imm == 16;}]>;
724 /// imm1_7 predicate - Immediate in the range [1,7].
725 def Imm1_7AsmOperand: ImmAsmOperand<1,7> { let Name = "Imm1_7"; }
726 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
727 let ParserMatchClass = Imm1_7AsmOperand;
730 /// imm1_15 predicate - Immediate in the range [1,15].
731 def Imm1_15AsmOperand: ImmAsmOperand<1,15> { let Name = "Imm1_15"; }
732 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
733 let ParserMatchClass = Imm1_15AsmOperand;
736 /// imm1_31 predicate - Immediate in the range [1,31].
737 def Imm1_31AsmOperand: ImmAsmOperand<1,31> { let Name = "Imm1_31"; }
738 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
739 let ParserMatchClass = Imm1_31AsmOperand;
742 /// imm0_15 predicate - Immediate in the range [0,15].
743 def Imm0_15AsmOperand: ImmAsmOperand<0,15> {
744 let Name = "Imm0_15";
745 let DiagnosticType = "ImmRange0_15";
747 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
748 return Imm >= 0 && Imm < 16;
750 let ParserMatchClass = Imm0_15AsmOperand;
753 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
754 def Imm0_31AsmOperand: ImmAsmOperand<0,31> { let Name = "Imm0_31"; }
755 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
756 return Imm >= 0 && Imm < 32;
758 let ParserMatchClass = Imm0_31AsmOperand;
761 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
762 def Imm0_32AsmOperand: ImmAsmOperand<0,32> { let Name = "Imm0_32"; }
763 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
764 return Imm >= 0 && Imm < 33;
766 let ParserMatchClass = Imm0_32AsmOperand;
769 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
770 def Imm0_63AsmOperand: ImmAsmOperand<0,63> { let Name = "Imm0_63"; }
771 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
772 return Imm >= 0 && Imm < 64;
774 let ParserMatchClass = Imm0_63AsmOperand;
777 /// imm0_239 predicate - Immediate in the range [0,239].
778 def Imm0_239AsmOperand : ImmAsmOperand<0,239> {
779 let Name = "Imm0_239";
780 let DiagnosticType = "ImmRange0_239";
782 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
783 let ParserMatchClass = Imm0_239AsmOperand;
786 /// imm0_255 predicate - Immediate in the range [0,255].
787 def Imm0_255AsmOperand : ImmAsmOperand<0,255> { let Name = "Imm0_255"; }
788 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
789 let ParserMatchClass = Imm0_255AsmOperand;
792 /// imm0_65535 - An immediate is in the range [0,65535].
793 def Imm0_65535AsmOperand: ImmAsmOperand<0,65535> { let Name = "Imm0_65535"; }
794 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
795 return Imm >= 0 && Imm < 65536;
797 let ParserMatchClass = Imm0_65535AsmOperand;
800 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
801 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
802 return -Imm >= 0 && -Imm < 65536;
805 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
806 // a relocatable expression.
808 // FIXME: This really needs a Thumb version separate from the ARM version.
809 // While the range is the same, and can thus use the same match class,
810 // the encoding is different so it should have a different encoder method.
811 def Imm0_65535ExprAsmOperand: AsmOperandClass {
812 let Name = "Imm0_65535Expr";
813 let RenderMethod = "addImmOperands";
816 def imm0_65535_expr : Operand<i32> {
817 let EncoderMethod = "getHiLo16ImmOpValue";
818 let ParserMatchClass = Imm0_65535ExprAsmOperand;
821 def Imm256_65535ExprAsmOperand: ImmAsmOperand<256,65535> { let Name = "Imm256_65535Expr"; }
822 def imm256_65535_expr : Operand<i32> {
823 let ParserMatchClass = Imm256_65535ExprAsmOperand;
826 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
827 def Imm24bitAsmOperand: ImmAsmOperand<0,0xffffff> { let Name = "Imm24bit"; }
828 def imm24b : Operand<i32>, ImmLeaf<i32, [{
829 return Imm >= 0 && Imm <= 0xffffff;
831 let ParserMatchClass = Imm24bitAsmOperand;
835 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
837 def BitfieldAsmOperand : AsmOperandClass {
838 let Name = "Bitfield";
839 let ParserMethod = "parseBitfield";
842 def bf_inv_mask_imm : Operand<i32>,
844 return ARM::isBitFieldInvertedMask(N->getZExtValue());
846 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
847 let PrintMethod = "printBitfieldInvMaskImmOperand";
848 let DecoderMethod = "DecodeBitfieldMaskOperand";
849 let ParserMatchClass = BitfieldAsmOperand;
852 def imm1_32_XFORM: SDNodeXForm<imm, [{
853 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
856 def Imm1_32AsmOperand: ImmAsmOperandMinusOne<1,32> {
857 let Name = "Imm1_32";
859 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
860 uint64_t Imm = N->getZExtValue();
861 return Imm > 0 && Imm <= 32;
864 let PrintMethod = "printImmPlusOneOperand";
865 let ParserMatchClass = Imm1_32AsmOperand;
868 def imm1_16_XFORM: SDNodeXForm<imm, [{
869 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
872 def Imm1_16AsmOperand: ImmAsmOperandMinusOne<1,16> { let Name = "Imm1_16"; }
873 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
875 let PrintMethod = "printImmPlusOneOperand";
876 let ParserMatchClass = Imm1_16AsmOperand;
879 // Define ARM specific addressing modes.
880 // addrmode_imm12 := reg +/- imm12
882 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
883 class AddrMode_Imm12 : MemOperand,
884 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
885 // 12-bit immediate operand. Note that instructions using this encode
886 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
887 // immediate values are as normal.
889 let EncoderMethod = "getAddrModeImm12OpValue";
890 let DecoderMethod = "DecodeAddrModeImm12Operand";
891 let ParserMatchClass = MemImm12OffsetAsmOperand;
892 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
895 def addrmode_imm12 : AddrMode_Imm12 {
896 let PrintMethod = "printAddrModeImm12Operand<false>";
899 def addrmode_imm12_pre : AddrMode_Imm12 {
900 let PrintMethod = "printAddrModeImm12Operand<true>";
903 // ldst_so_reg := reg +/- reg shop imm
905 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
906 def ldst_so_reg : MemOperand,
907 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
908 let EncoderMethod = "getLdStSORegOpValue";
909 // FIXME: Simplify the printer
910 let PrintMethod = "printAddrMode2Operand";
911 let DecoderMethod = "DecodeSORegMemOperand";
912 let ParserMatchClass = MemRegOffsetAsmOperand;
913 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
916 // postidx_imm8 := +/- [0,255]
919 // {8} 1 is imm8 is non-negative. 0 otherwise.
920 // {7-0} [0,255] imm8 value.
921 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
922 def postidx_imm8 : MemOperand {
923 let PrintMethod = "printPostIdxImm8Operand";
924 let ParserMatchClass = PostIdxImm8AsmOperand;
925 let MIOperandInfo = (ops i32imm);
928 // postidx_imm8s4 := +/- [0,1020]
931 // {8} 1 is imm8 is non-negative. 0 otherwise.
932 // {7-0} [0,255] imm8 value, scaled by 4.
933 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
934 def postidx_imm8s4 : MemOperand {
935 let PrintMethod = "printPostIdxImm8s4Operand";
936 let ParserMatchClass = PostIdxImm8s4AsmOperand;
937 let MIOperandInfo = (ops i32imm);
941 // postidx_reg := +/- reg
943 def PostIdxRegAsmOperand : AsmOperandClass {
944 let Name = "PostIdxReg";
945 let ParserMethod = "parsePostIdxReg";
947 def postidx_reg : MemOperand {
948 let EncoderMethod = "getPostIdxRegOpValue";
949 let DecoderMethod = "DecodePostIdxReg";
950 let PrintMethod = "printPostIdxRegOperand";
951 let ParserMatchClass = PostIdxRegAsmOperand;
952 let MIOperandInfo = (ops GPRnopc, i32imm);
956 // addrmode2 := reg +/- imm12
957 // := reg +/- reg shop imm
959 // FIXME: addrmode2 should be refactored the rest of the way to always
960 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
961 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
962 def addrmode2 : MemOperand,
963 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
964 let EncoderMethod = "getAddrMode2OpValue";
965 let PrintMethod = "printAddrMode2Operand";
966 let ParserMatchClass = AddrMode2AsmOperand;
967 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
970 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
971 let Name = "PostIdxRegShifted";
972 let ParserMethod = "parsePostIdxReg";
974 def am2offset_reg : MemOperand,
975 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
976 [], [SDNPWantRoot]> {
977 let EncoderMethod = "getAddrMode2OffsetOpValue";
978 let PrintMethod = "printAddrMode2OffsetOperand";
979 // When using this for assembly, it's always as a post-index offset.
980 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
981 let MIOperandInfo = (ops GPRnopc, i32imm);
984 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
985 // the GPR is purely vestigal at this point.
986 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
987 def am2offset_imm : MemOperand,
988 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
989 [], [SDNPWantRoot]> {
990 let EncoderMethod = "getAddrMode2OffsetOpValue";
991 let PrintMethod = "printAddrMode2OffsetOperand";
992 let ParserMatchClass = AM2OffsetImmAsmOperand;
993 let MIOperandInfo = (ops GPRnopc, i32imm);
997 // addrmode3 := reg +/- reg
998 // addrmode3 := reg +/- imm8
1000 // FIXME: split into imm vs. reg versions.
1001 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
1002 class AddrMode3 : MemOperand,
1003 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
1004 let EncoderMethod = "getAddrMode3OpValue";
1005 let ParserMatchClass = AddrMode3AsmOperand;
1006 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
1009 def addrmode3 : AddrMode3
1011 let PrintMethod = "printAddrMode3Operand<false>";
1014 def addrmode3_pre : AddrMode3
1016 let PrintMethod = "printAddrMode3Operand<true>";
1019 // FIXME: split into imm vs. reg versions.
1020 // FIXME: parser method to handle +/- register.
1021 def AM3OffsetAsmOperand : AsmOperandClass {
1022 let Name = "AM3Offset";
1023 let ParserMethod = "parseAM3Offset";
1025 def am3offset : MemOperand,
1026 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
1027 [], [SDNPWantRoot]> {
1028 let EncoderMethod = "getAddrMode3OffsetOpValue";
1029 let PrintMethod = "printAddrMode3OffsetOperand";
1030 let ParserMatchClass = AM3OffsetAsmOperand;
1031 let MIOperandInfo = (ops GPR, i32imm);
1034 // ldstm_mode := {ia, ib, da, db}
1036 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
1037 let EncoderMethod = "getLdStmModeOpValue";
1038 let PrintMethod = "printLdStmModeOperand";
1041 // addrmode5 := reg +/- imm8*4
1043 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
1044 class AddrMode5 : MemOperand,
1045 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
1046 let EncoderMethod = "getAddrMode5OpValue";
1047 let DecoderMethod = "DecodeAddrMode5Operand";
1048 let ParserMatchClass = AddrMode5AsmOperand;
1049 let MIOperandInfo = (ops GPR:$base, i32imm);
1052 def addrmode5 : AddrMode5 {
1053 let PrintMethod = "printAddrMode5Operand<false>";
1056 def addrmode5_pre : AddrMode5 {
1057 let PrintMethod = "printAddrMode5Operand<true>";
1060 // addrmode5fp16 := reg +/- imm8*2
1062 def AddrMode5FP16AsmOperand : AsmOperandClass { let Name = "AddrMode5FP16"; }
1063 class AddrMode5FP16 : Operand<i32>,
1064 ComplexPattern<i32, 2, "SelectAddrMode5FP16", []> {
1065 let EncoderMethod = "getAddrMode5FP16OpValue";
1066 let DecoderMethod = "DecodeAddrMode5FP16Operand";
1067 let ParserMatchClass = AddrMode5FP16AsmOperand;
1068 let MIOperandInfo = (ops GPR:$base, i32imm);
1071 def addrmode5fp16 : AddrMode5FP16 {
1072 let PrintMethod = "printAddrMode5FP16Operand<false>";
1075 // addrmode6 := reg with optional alignment
1077 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
1078 def addrmode6 : MemOperand,
1079 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1080 let PrintMethod = "printAddrMode6Operand";
1081 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1082 let EncoderMethod = "getAddrMode6AddressOpValue";
1083 let DecoderMethod = "DecodeAddrMode6Operand";
1084 let ParserMatchClass = AddrMode6AsmOperand;
1087 def am6offset : MemOperand,
1088 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
1089 [], [SDNPWantRoot]> {
1090 let PrintMethod = "printAddrMode6OffsetOperand";
1091 let MIOperandInfo = (ops GPR);
1092 let EncoderMethod = "getAddrMode6OffsetOpValue";
1093 let DecoderMethod = "DecodeGPRRegisterClass";
1096 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
1097 // (single element from one lane) for size 32.
1098 def addrmode6oneL32 : MemOperand,
1099 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1100 let PrintMethod = "printAddrMode6Operand";
1101 let MIOperandInfo = (ops GPR:$addr, i32imm);
1102 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
1105 // Base class for addrmode6 with specific alignment restrictions.
1106 class AddrMode6Align : MemOperand,
1107 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1108 let PrintMethod = "printAddrMode6Operand";
1109 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1110 let EncoderMethod = "getAddrMode6AddressOpValue";
1111 let DecoderMethod = "DecodeAddrMode6Operand";
1114 // Special version of addrmode6 to handle no allowed alignment encoding for
1115 // VLD/VST instructions and checking the alignment is not specified.
1116 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1117 let Name = "AlignedMemoryNone";
1118 let DiagnosticType = "AlignedMemoryRequiresNone";
1120 def addrmode6alignNone : AddrMode6Align {
1121 // The alignment specifier can only be omitted.
1122 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1125 // Special version of addrmode6 to handle 16-bit alignment encoding for
1126 // VLD/VST instructions and checking the alignment value.
1127 def AddrMode6Align16AsmOperand : AsmOperandClass {
1128 let Name = "AlignedMemory16";
1129 let DiagnosticType = "AlignedMemoryRequires16";
1131 def addrmode6align16 : AddrMode6Align {
1132 // The alignment specifier can only be 16 or omitted.
1133 let ParserMatchClass = AddrMode6Align16AsmOperand;
1136 // Special version of addrmode6 to handle 32-bit alignment encoding for
1137 // VLD/VST instructions and checking the alignment value.
1138 def AddrMode6Align32AsmOperand : AsmOperandClass {
1139 let Name = "AlignedMemory32";
1140 let DiagnosticType = "AlignedMemoryRequires32";
1142 def addrmode6align32 : AddrMode6Align {
1143 // The alignment specifier can only be 32 or omitted.
1144 let ParserMatchClass = AddrMode6Align32AsmOperand;
1147 // Special version of addrmode6 to handle 64-bit alignment encoding for
1148 // VLD/VST instructions and checking the alignment value.
1149 def AddrMode6Align64AsmOperand : AsmOperandClass {
1150 let Name = "AlignedMemory64";
1151 let DiagnosticType = "AlignedMemoryRequires64";
1153 def addrmode6align64 : AddrMode6Align {
1154 // The alignment specifier can only be 64 or omitted.
1155 let ParserMatchClass = AddrMode6Align64AsmOperand;
1158 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1159 // for VLD/VST instructions and checking the alignment value.
1160 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1161 let Name = "AlignedMemory64or128";
1162 let DiagnosticType = "AlignedMemoryRequires64or128";
1164 def addrmode6align64or128 : AddrMode6Align {
1165 // The alignment specifier can only be 64, 128 or omitted.
1166 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1169 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1170 // encoding for VLD/VST instructions and checking the alignment value.
1171 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1172 let Name = "AlignedMemory64or128or256";
1173 let DiagnosticType = "AlignedMemoryRequires64or128or256";
1175 def addrmode6align64or128or256 : AddrMode6Align {
1176 // The alignment specifier can only be 64, 128, 256 or omitted.
1177 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1180 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1181 // instructions, specifically VLD4-dup.
1182 def addrmode6dup : MemOperand,
1183 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1184 let PrintMethod = "printAddrMode6Operand";
1185 let MIOperandInfo = (ops GPR:$addr, i32imm);
1186 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1187 // FIXME: This is close, but not quite right. The alignment specifier is
1189 let ParserMatchClass = AddrMode6AsmOperand;
1192 // Base class for addrmode6dup with specific alignment restrictions.
1193 class AddrMode6DupAlign : MemOperand,
1194 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1195 let PrintMethod = "printAddrMode6Operand";
1196 let MIOperandInfo = (ops GPR:$addr, i32imm);
1197 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1200 // Special version of addrmode6 to handle no allowed alignment encoding for
1201 // VLD-dup instruction and checking the alignment is not specified.
1202 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1203 let Name = "DupAlignedMemoryNone";
1204 let DiagnosticType = "DupAlignedMemoryRequiresNone";
1206 def addrmode6dupalignNone : AddrMode6DupAlign {
1207 // The alignment specifier can only be omitted.
1208 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1211 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1212 // instruction and checking the alignment value.
1213 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1214 let Name = "DupAlignedMemory16";
1215 let DiagnosticType = "DupAlignedMemoryRequires16";
1217 def addrmode6dupalign16 : AddrMode6DupAlign {
1218 // The alignment specifier can only be 16 or omitted.
1219 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1222 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1223 // instruction and checking the alignment value.
1224 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1225 let Name = "DupAlignedMemory32";
1226 let DiagnosticType = "DupAlignedMemoryRequires32";
1228 def addrmode6dupalign32 : AddrMode6DupAlign {
1229 // The alignment specifier can only be 32 or omitted.
1230 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1233 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1234 // instructions and checking the alignment value.
1235 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1236 let Name = "DupAlignedMemory64";
1237 let DiagnosticType = "DupAlignedMemoryRequires64";
1239 def addrmode6dupalign64 : AddrMode6DupAlign {
1240 // The alignment specifier can only be 64 or omitted.
1241 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1244 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1245 // for VLD instructions and checking the alignment value.
1246 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1247 let Name = "DupAlignedMemory64or128";
1248 let DiagnosticType = "DupAlignedMemoryRequires64or128";
1250 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1251 // The alignment specifier can only be 64, 128 or omitted.
1252 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1255 // addrmodepc := pc + reg
1257 def addrmodepc : MemOperand,
1258 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1259 let PrintMethod = "printAddrModePCOperand";
1260 let MIOperandInfo = (ops GPR, i32imm);
1263 // addr_offset_none := reg
1265 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1266 def addr_offset_none : MemOperand,
1267 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1268 let PrintMethod = "printAddrMode7Operand";
1269 let DecoderMethod = "DecodeAddrMode7Operand";
1270 let ParserMatchClass = MemNoOffsetAsmOperand;
1271 let MIOperandInfo = (ops GPR:$base);
1274 def nohash_imm : Operand<i32> {
1275 let PrintMethod = "printNoHashImmediate";
1278 def CoprocNumAsmOperand : AsmOperandClass {
1279 let Name = "CoprocNum";
1280 let ParserMethod = "parseCoprocNumOperand";
1282 def p_imm : Operand<i32> {
1283 let PrintMethod = "printPImmediate";
1284 let ParserMatchClass = CoprocNumAsmOperand;
1285 let DecoderMethod = "DecodeCoprocessor";
1288 def CoprocRegAsmOperand : AsmOperandClass {
1289 let Name = "CoprocReg";
1290 let ParserMethod = "parseCoprocRegOperand";
1292 def c_imm : Operand<i32> {
1293 let PrintMethod = "printCImmediate";
1294 let ParserMatchClass = CoprocRegAsmOperand;
1296 def CoprocOptionAsmOperand : AsmOperandClass {
1297 let Name = "CoprocOption";
1298 let ParserMethod = "parseCoprocOptionOperand";
1300 def coproc_option_imm : Operand<i32> {
1301 let PrintMethod = "printCoprocOptionImm";
1302 let ParserMatchClass = CoprocOptionAsmOperand;
1305 //===----------------------------------------------------------------------===//
1307 include "ARMInstrFormats.td"
1309 //===----------------------------------------------------------------------===//
1310 // Multiclass helpers...
1313 /// AsI1_bin_irs - Defines a set of (op r, {mod_imm|r|so_reg}) patterns for a
1314 /// binop that produces a value.
1315 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1316 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1317 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1318 SDPatternOperator opnode, bit Commutable = 0> {
1319 // The register-immediate version is re-materializable. This is useful
1320 // in particular for taking the address of a local.
1321 let isReMaterializable = 1 in {
1322 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1323 iii, opc, "\t$Rd, $Rn, $imm",
1324 [(set GPR:$Rd, (opnode GPR:$Rn, mod_imm:$imm))]>,
1325 Sched<[WriteALU, ReadALU]> {
1330 let Inst{19-16} = Rn;
1331 let Inst{15-12} = Rd;
1332 let Inst{11-0} = imm;
1335 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1336 iir, opc, "\t$Rd, $Rn, $Rm",
1337 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1338 Sched<[WriteALU, ReadALU, ReadALU]> {
1343 let isCommutable = Commutable;
1344 let Inst{19-16} = Rn;
1345 let Inst{15-12} = Rd;
1346 let Inst{11-4} = 0b00000000;
1350 def rsi : AsI1<opcod, (outs GPR:$Rd),
1351 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1352 iis, opc, "\t$Rd, $Rn, $shift",
1353 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1354 Sched<[WriteALUsi, ReadALU]> {
1359 let Inst{19-16} = Rn;
1360 let Inst{15-12} = Rd;
1361 let Inst{11-5} = shift{11-5};
1363 let Inst{3-0} = shift{3-0};
1366 def rsr : AsI1<opcod, (outs GPR:$Rd),
1367 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1368 iis, opc, "\t$Rd, $Rn, $shift",
1369 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1370 Sched<[WriteALUsr, ReadALUsr]> {
1375 let Inst{19-16} = Rn;
1376 let Inst{15-12} = Rd;
1377 let Inst{11-8} = shift{11-8};
1379 let Inst{6-5} = shift{6-5};
1381 let Inst{3-0} = shift{3-0};
1385 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1386 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1387 /// it is equivalent to the AsI1_bin_irs counterpart.
1388 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1389 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1390 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1391 SDNode opnode, bit Commutable = 0> {
1392 // The register-immediate version is re-materializable. This is useful
1393 // in particular for taking the address of a local.
1394 let isReMaterializable = 1 in {
1395 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1396 iii, opc, "\t$Rd, $Rn, $imm",
1397 [(set GPR:$Rd, (opnode mod_imm:$imm, GPR:$Rn))]>,
1398 Sched<[WriteALU, ReadALU]> {
1403 let Inst{19-16} = Rn;
1404 let Inst{15-12} = Rd;
1405 let Inst{11-0} = imm;
1408 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1409 iir, opc, "\t$Rd, $Rn, $Rm",
1410 [/* pattern left blank */]>,
1411 Sched<[WriteALU, ReadALU, ReadALU]> {
1415 let Inst{11-4} = 0b00000000;
1418 let Inst{15-12} = Rd;
1419 let Inst{19-16} = Rn;
1422 def rsi : AsI1<opcod, (outs GPR:$Rd),
1423 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1424 iis, opc, "\t$Rd, $Rn, $shift",
1425 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1426 Sched<[WriteALUsi, ReadALU]> {
1431 let Inst{19-16} = Rn;
1432 let Inst{15-12} = Rd;
1433 let Inst{11-5} = shift{11-5};
1435 let Inst{3-0} = shift{3-0};
1438 def rsr : AsI1<opcod, (outs GPR:$Rd),
1439 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1440 iis, opc, "\t$Rd, $Rn, $shift",
1441 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1442 Sched<[WriteALUsr, ReadALUsr]> {
1447 let Inst{19-16} = Rn;
1448 let Inst{15-12} = Rd;
1449 let Inst{11-8} = shift{11-8};
1451 let Inst{6-5} = shift{6-5};
1453 let Inst{3-0} = shift{3-0};
1457 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1459 /// These opcodes will be converted to the real non-S opcodes by
1460 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1461 let hasPostISelHook = 1, Defs = [CPSR] in {
1462 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1463 InstrItinClass iis, SDNode opnode,
1464 bit Commutable = 0> {
1465 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1467 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm))]>,
1468 Sched<[WriteALU, ReadALU]>;
1470 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1472 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1473 Sched<[WriteALU, ReadALU, ReadALU]> {
1474 let isCommutable = Commutable;
1476 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1477 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1479 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1480 so_reg_imm:$shift))]>,
1481 Sched<[WriteALUsi, ReadALU]>;
1483 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1484 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1486 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1487 so_reg_reg:$shift))]>,
1488 Sched<[WriteALUSsr, ReadALUsr]>;
1492 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1493 /// operands are reversed.
1494 let hasPostISelHook = 1, Defs = [CPSR] in {
1495 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1496 InstrItinClass iis, SDNode opnode,
1497 bit Commutable = 0> {
1498 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1500 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn))]>,
1501 Sched<[WriteALU, ReadALU]>;
1503 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1504 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1506 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1508 Sched<[WriteALUsi, ReadALU]>;
1510 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1511 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1513 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1515 Sched<[WriteALUSsr, ReadALUsr]>;
1519 /// AI1_cmp_irs - Defines a set of (op r, {mod_imm|r|so_reg}) cmp / test
1520 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1521 /// a explicit result, only implicitly set CPSR.
1522 let isCompare = 1, Defs = [CPSR] in {
1523 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1524 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1525 SDPatternOperator opnode, bit Commutable = 0,
1526 string rrDecoderMethod = ""> {
1527 def ri : AI1<opcod, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, iii,
1529 [(opnode GPR:$Rn, mod_imm:$imm)]>,
1530 Sched<[WriteCMP, ReadALU]> {
1535 let Inst{19-16} = Rn;
1536 let Inst{15-12} = 0b0000;
1537 let Inst{11-0} = imm;
1539 let Unpredictable{15-12} = 0b1111;
1541 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1543 [(opnode GPR:$Rn, GPR:$Rm)]>,
1544 Sched<[WriteCMP, ReadALU, ReadALU]> {
1547 let isCommutable = Commutable;
1550 let Inst{19-16} = Rn;
1551 let Inst{15-12} = 0b0000;
1552 let Inst{11-4} = 0b00000000;
1554 let DecoderMethod = rrDecoderMethod;
1556 let Unpredictable{15-12} = 0b1111;
1558 def rsi : AI1<opcod, (outs),
1559 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1560 opc, "\t$Rn, $shift",
1561 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1562 Sched<[WriteCMPsi, ReadALU]> {
1567 let Inst{19-16} = Rn;
1568 let Inst{15-12} = 0b0000;
1569 let Inst{11-5} = shift{11-5};
1571 let Inst{3-0} = shift{3-0};
1573 let Unpredictable{15-12} = 0b1111;
1575 def rsr : AI1<opcod, (outs),
1576 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1577 opc, "\t$Rn, $shift",
1578 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1579 Sched<[WriteCMPsr, ReadALU]> {
1584 let Inst{19-16} = Rn;
1585 let Inst{15-12} = 0b0000;
1586 let Inst{11-8} = shift{11-8};
1588 let Inst{6-5} = shift{6-5};
1590 let Inst{3-0} = shift{3-0};
1592 let Unpredictable{15-12} = 0b1111;
1598 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1599 /// register and one whose operand is a register rotated by 8/16/24.
1600 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1601 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1602 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1603 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1604 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1605 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1609 let Inst{19-16} = 0b1111;
1610 let Inst{15-12} = Rd;
1611 let Inst{11-10} = rot;
1615 class AI_ext_rrot_np<bits<8> opcod, string opc>
1616 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1617 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1618 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1620 let Inst{19-16} = 0b1111;
1621 let Inst{11-10} = rot;
1624 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1625 /// register and one whose operand is a register rotated by 8/16/24.
1626 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1627 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1628 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1629 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1630 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1631 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1636 let Inst{19-16} = Rn;
1637 let Inst{15-12} = Rd;
1638 let Inst{11-10} = rot;
1639 let Inst{9-4} = 0b000111;
1643 class AI_exta_rrot_np<bits<8> opcod, string opc>
1644 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1645 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1646 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1649 let Inst{19-16} = Rn;
1650 let Inst{11-10} = rot;
1653 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1654 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1655 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, SDNode opnode,
1656 bit Commutable = 0> {
1657 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1658 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1659 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1660 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm, CPSR))]>,
1662 Sched<[WriteALU, ReadALU]> {
1667 let Inst{15-12} = Rd;
1668 let Inst{19-16} = Rn;
1669 let Inst{11-0} = imm;
1671 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1672 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1673 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1675 Sched<[WriteALU, ReadALU, ReadALU]> {
1679 let Inst{11-4} = 0b00000000;
1681 let isCommutable = Commutable;
1683 let Inst{15-12} = Rd;
1684 let Inst{19-16} = Rn;
1686 def rsi : AsI1<opcod, (outs GPR:$Rd),
1687 (ins GPR:$Rn, so_reg_imm:$shift),
1688 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1689 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1691 Sched<[WriteALUsi, ReadALU]> {
1696 let Inst{19-16} = Rn;
1697 let Inst{15-12} = Rd;
1698 let Inst{11-5} = shift{11-5};
1700 let Inst{3-0} = shift{3-0};
1702 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1703 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1704 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1705 [(set GPRnopc:$Rd, CPSR,
1706 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1708 Sched<[WriteALUsr, ReadALUsr]> {
1713 let Inst{19-16} = Rn;
1714 let Inst{15-12} = Rd;
1715 let Inst{11-8} = shift{11-8};
1717 let Inst{6-5} = shift{6-5};
1719 let Inst{3-0} = shift{3-0};
1724 /// AI1_rsc_irs - Define instructions and patterns for rsc
1725 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1726 multiclass AI1_rsc_irs<bits<4> opcod, string opc, SDNode opnode> {
1727 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1728 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1729 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1730 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn, CPSR))]>,
1732 Sched<[WriteALU, ReadALU]> {
1737 let Inst{15-12} = Rd;
1738 let Inst{19-16} = Rn;
1739 let Inst{11-0} = imm;
1741 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1742 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1743 [/* pattern left blank */]>,
1744 Sched<[WriteALU, ReadALU, ReadALU]> {
1748 let Inst{11-4} = 0b00000000;
1751 let Inst{15-12} = Rd;
1752 let Inst{19-16} = Rn;
1754 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1755 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1756 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1758 Sched<[WriteALUsi, ReadALU]> {
1763 let Inst{19-16} = Rn;
1764 let Inst{15-12} = Rd;
1765 let Inst{11-5} = shift{11-5};
1767 let Inst{3-0} = shift{3-0};
1769 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1770 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1771 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1773 Sched<[WriteALUsr, ReadALUsr]> {
1778 let Inst{19-16} = Rn;
1779 let Inst{15-12} = Rd;
1780 let Inst{11-8} = shift{11-8};
1782 let Inst{6-5} = shift{6-5};
1784 let Inst{3-0} = shift{3-0};
1789 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1790 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1791 InstrItinClass iir, PatFrag opnode> {
1792 // Note: We use the complex addrmode_imm12 rather than just an input
1793 // GPR and a constrained immediate so that we can use this to match
1794 // frame index references and avoid matching constant pool references.
1795 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1796 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1797 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1800 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1801 let Inst{19-16} = addr{16-13}; // Rn
1802 let Inst{15-12} = Rt;
1803 let Inst{11-0} = addr{11-0}; // imm12
1805 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1806 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1807 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1810 let shift{4} = 0; // Inst{4} = 0
1811 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1812 let Inst{19-16} = shift{16-13}; // Rn
1813 let Inst{15-12} = Rt;
1814 let Inst{11-0} = shift{11-0};
1819 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1820 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1821 InstrItinClass iir, PatFrag opnode> {
1822 // Note: We use the complex addrmode_imm12 rather than just an input
1823 // GPR and a constrained immediate so that we can use this to match
1824 // frame index references and avoid matching constant pool references.
1825 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1826 (ins addrmode_imm12:$addr),
1827 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1828 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1831 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1832 let Inst{19-16} = addr{16-13}; // Rn
1833 let Inst{15-12} = Rt;
1834 let Inst{11-0} = addr{11-0}; // imm12
1836 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1837 (ins ldst_so_reg:$shift),
1838 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1839 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1842 let shift{4} = 0; // Inst{4} = 0
1843 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1844 let Inst{19-16} = shift{16-13}; // Rn
1845 let Inst{15-12} = Rt;
1846 let Inst{11-0} = shift{11-0};
1852 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1853 InstrItinClass iir, PatFrag opnode> {
1854 // Note: We use the complex addrmode_imm12 rather than just an input
1855 // GPR and a constrained immediate so that we can use this to match
1856 // frame index references and avoid matching constant pool references.
1857 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1858 (ins GPR:$Rt, addrmode_imm12:$addr),
1859 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1860 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1863 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1864 let Inst{19-16} = addr{16-13}; // Rn
1865 let Inst{15-12} = Rt;
1866 let Inst{11-0} = addr{11-0}; // imm12
1868 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1869 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1870 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1873 let shift{4} = 0; // Inst{4} = 0
1874 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1875 let Inst{19-16} = shift{16-13}; // Rn
1876 let Inst{15-12} = Rt;
1877 let Inst{11-0} = shift{11-0};
1881 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1882 InstrItinClass iir, PatFrag opnode> {
1883 // Note: We use the complex addrmode_imm12 rather than just an input
1884 // GPR and a constrained immediate so that we can use this to match
1885 // frame index references and avoid matching constant pool references.
1886 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1887 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1888 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1889 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1892 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1893 let Inst{19-16} = addr{16-13}; // Rn
1894 let Inst{15-12} = Rt;
1895 let Inst{11-0} = addr{11-0}; // imm12
1897 def rs : AI2ldst<0b011, 0, isByte, (outs),
1898 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1899 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1900 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1903 let shift{4} = 0; // Inst{4} = 0
1904 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1905 let Inst{19-16} = shift{16-13}; // Rn
1906 let Inst{15-12} = Rt;
1907 let Inst{11-0} = shift{11-0};
1912 //===----------------------------------------------------------------------===//
1914 //===----------------------------------------------------------------------===//
1916 //===----------------------------------------------------------------------===//
1917 // Miscellaneous Instructions.
1920 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1921 /// the function. The first operand is the ID# for this instruction, the second
1922 /// is the index into the MachineConstantPool that this is, the third is the
1923 /// size in bytes of this constant pool entry.
1924 let hasSideEffects = 0, isNotDuplicable = 1 in
1925 def CONSTPOOL_ENTRY :
1926 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1927 i32imm:$size), NoItinerary, []>;
1929 /// A jumptable consisting of direct 32-bit addresses of the destination basic
1930 /// blocks (either absolute, or relative to the start of the jump-table in PIC
1931 /// mode). Used mostly in ARM and Thumb-1 modes.
1932 def JUMPTABLE_ADDRS :
1933 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1934 i32imm:$size), NoItinerary, []>;
1936 /// A jumptable consisting of 32-bit jump instructions. Used for Thumb-2 tables
1937 /// that cannot be optimised to use TBB or TBH.
1938 def JUMPTABLE_INSTS :
1939 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1940 i32imm:$size), NoItinerary, []>;
1942 /// A jumptable consisting of 8-bit unsigned integers representing offsets from
1943 /// a TBB instruction.
1945 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1946 i32imm:$size), NoItinerary, []>;
1948 /// A jumptable consisting of 16-bit unsigned integers representing offsets from
1949 /// a TBH instruction.
1951 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1952 i32imm:$size), NoItinerary, []>;
1955 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1956 // from removing one half of the matched pairs. That breaks PEI, which assumes
1957 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1958 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1959 def ADJCALLSTACKUP :
1960 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1961 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1963 def ADJCALLSTACKDOWN :
1964 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1965 [(ARMcallseq_start timm:$amt)]>;
1968 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1969 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
1970 Requires<[IsARM, HasV6]> {
1972 let Inst{27-8} = 0b00110010000011110000;
1973 let Inst{7-0} = imm;
1974 let DecoderMethod = "DecodeHINTInstruction";
1977 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6K]>;
1978 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6K]>;
1979 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6K]>;
1980 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6K]>;
1981 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6K]>;
1982 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1983 def : InstAlias<"esb$p", (HINT 16, pred:$p)>, Requires<[IsARM, HasRAS]>;
1985 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1986 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1991 let Inst{15-12} = Rd;
1992 let Inst{19-16} = Rn;
1993 let Inst{27-20} = 0b01101000;
1994 let Inst{7-4} = 0b1011;
1995 let Inst{11-8} = 0b1111;
1996 let Unpredictable{11-8} = 0b1111;
1999 // The 16-bit operand $val can be used by a debugger to store more information
2000 // about the breakpoint.
2001 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2002 "bkpt", "\t$val", []>, Requires<[IsARM]> {
2004 let Inst{3-0} = val{3-0};
2005 let Inst{19-8} = val{15-4};
2006 let Inst{27-20} = 0b00010010;
2007 let Inst{31-28} = 0xe; // AL
2008 let Inst{7-4} = 0b0111;
2010 // default immediate for breakpoint mnemonic
2011 def : InstAlias<"bkpt", (BKPT 0), 0>, Requires<[IsARM]>;
2013 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2014 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
2016 let Inst{3-0} = val{3-0};
2017 let Inst{19-8} = val{15-4};
2018 let Inst{27-20} = 0b00010000;
2019 let Inst{31-28} = 0xe; // AL
2020 let Inst{7-4} = 0b0111;
2023 // Change Processor State
2024 // FIXME: We should use InstAlias to handle the optional operands.
2025 class CPS<dag iops, string asm_ops>
2026 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
2027 []>, Requires<[IsARM]> {
2033 let Inst{31-28} = 0b1111;
2034 let Inst{27-20} = 0b00010000;
2035 let Inst{19-18} = imod;
2036 let Inst{17} = M; // Enabled if mode is set;
2037 let Inst{16-9} = 0b00000000;
2038 let Inst{8-6} = iflags;
2040 let Inst{4-0} = mode;
2043 let DecoderMethod = "DecodeCPSInstruction" in {
2045 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
2046 "$imod\t$iflags, $mode">;
2047 let mode = 0, M = 0 in
2048 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
2050 let imod = 0, iflags = 0, M = 1 in
2051 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
2054 // Preload signals the memory system of possible future data/instruction access.
2055 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
2057 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
2058 IIC_Preload, !strconcat(opc, "\t$addr"),
2059 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
2060 Sched<[WritePreLd]> {
2063 let Inst{31-26} = 0b111101;
2064 let Inst{25} = 0; // 0 for immediate form
2065 let Inst{24} = data;
2066 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2067 let Inst{22} = read;
2068 let Inst{21-20} = 0b01;
2069 let Inst{19-16} = addr{16-13}; // Rn
2070 let Inst{15-12} = 0b1111;
2071 let Inst{11-0} = addr{11-0}; // imm12
2074 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
2075 !strconcat(opc, "\t$shift"),
2076 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
2077 Sched<[WritePreLd]> {
2079 let Inst{31-26} = 0b111101;
2080 let Inst{25} = 1; // 1 for register form
2081 let Inst{24} = data;
2082 let Inst{23} = shift{12}; // U (add = ('U' == 1))
2083 let Inst{22} = read;
2084 let Inst{21-20} = 0b01;
2085 let Inst{19-16} = shift{16-13}; // Rn
2086 let Inst{15-12} = 0b1111;
2087 let Inst{11-0} = shift{11-0};
2092 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
2093 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
2094 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
2096 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
2097 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
2099 let Inst{31-10} = 0b1111000100000001000000;
2104 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
2105 [(int_arm_dbg imm0_15:$opt)]>, Requires<[IsARM, HasV7]> {
2107 let Inst{27-4} = 0b001100100000111100001111;
2108 let Inst{3-0} = opt;
2111 // A8.8.247 UDF - Undefined (Encoding A1)
2112 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
2113 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
2115 let Inst{31-28} = 0b1110; // AL
2116 let Inst{27-25} = 0b011;
2117 let Inst{24-20} = 0b11111;
2118 let Inst{19-8} = imm16{15-4};
2119 let Inst{7-4} = 0b1111;
2120 let Inst{3-0} = imm16{3-0};
2124 * A5.4 Permanently UNDEFINED instructions.
2126 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
2127 * Other UDF encodings generate SIGILL.
2129 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
2131 * 1110 0111 1111 iiii iiii iiii 1111 iiii
2133 * 1101 1110 iiii iiii
2134 * It uses the following encoding:
2135 * 1110 0111 1111 1110 1101 1110 1111 0000
2136 * - In ARM: UDF #60896;
2137 * - In Thumb: UDF #254 followed by a branch-to-self.
2139 let isBarrier = 1, isTerminator = 1 in
2140 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2142 Requires<[IsARM,UseNaClTrap]> {
2143 let Inst = 0xe7fedef0;
2145 let isBarrier = 1, isTerminator = 1 in
2146 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2148 Requires<[IsARM,DontUseNaClTrap]> {
2149 let Inst = 0xe7ffdefe;
2152 // Address computation and loads and stores in PIC mode.
2153 let isNotDuplicable = 1 in {
2154 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2156 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2157 Sched<[WriteALU, ReadALU]>;
2159 let AddedComplexity = 10 in {
2160 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2162 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2164 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2166 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2168 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2170 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2172 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2174 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2176 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2178 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2180 let AddedComplexity = 10 in {
2181 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2182 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2184 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2185 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2186 addrmodepc:$addr)]>;
2188 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2189 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2191 } // isNotDuplicable = 1
2194 // LEApcrel - Load a pc-relative address into a register without offending the
2196 let hasSideEffects = 0, isReMaterializable = 1 in
2197 // The 'adr' mnemonic encodes differently if the label is before or after
2198 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2199 // know until then which form of the instruction will be used.
2200 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2201 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2202 Sched<[WriteALU, ReadALU]> {
2205 let Inst{27-25} = 0b001;
2207 let Inst{23-22} = label{13-12};
2210 let Inst{19-16} = 0b1111;
2211 let Inst{15-12} = Rd;
2212 let Inst{11-0} = label{11-0};
2215 let hasSideEffects = 1 in {
2216 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2217 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2219 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2220 (ins i32imm:$label, pred:$p),
2221 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2224 //===----------------------------------------------------------------------===//
2225 // Control Flow Instructions.
2228 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2230 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2231 "bx", "\tlr", [(ARMretflag)]>,
2232 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2233 let Inst{27-0} = 0b0001001011111111111100011110;
2237 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2238 "mov", "\tpc, lr", [(ARMretflag)]>,
2239 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2240 let Inst{27-0} = 0b0001101000001111000000001110;
2243 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2244 // the user-space one).
2245 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2247 [(ARMintretflag imm:$offset)]>;
2250 // Indirect branches
2251 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2253 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2254 [(brind GPR:$dst)]>,
2255 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2257 let Inst{31-4} = 0b1110000100101111111111110001;
2258 let Inst{3-0} = dst;
2261 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2262 "bx", "\t$dst", [/* pattern left blank */]>,
2263 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2265 let Inst{27-4} = 0b000100101111111111110001;
2266 let Inst{3-0} = dst;
2270 // SP is marked as a use to prevent stack-pointer assignments that appear
2271 // immediately before calls from potentially appearing dead.
2273 // FIXME: Do we really need a non-predicated version? If so, it should
2274 // at least be a pseudo instruction expanding to the predicated version
2275 // at MC lowering time.
2276 Defs = [LR], Uses = [SP] in {
2277 def BL : ABXI<0b1011, (outs), (ins arm_bl_target:$func),
2278 IIC_Br, "bl\t$func",
2279 [(ARMcall tglobaladdr:$func)]>,
2280 Requires<[IsARM]>, Sched<[WriteBrL]> {
2281 let Inst{31-28} = 0b1110;
2283 let Inst{23-0} = func;
2284 let DecoderMethod = "DecodeBranchImmInstruction";
2287 def BL_pred : ABI<0b1011, (outs), (ins arm_bl_target:$func),
2288 IIC_Br, "bl", "\t$func",
2289 [(ARMcall_pred tglobaladdr:$func)]>,
2290 Requires<[IsARM]>, Sched<[WriteBrL]> {
2292 let Inst{23-0} = func;
2293 let DecoderMethod = "DecodeBranchImmInstruction";
2297 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2298 IIC_Br, "blx\t$func",
2299 [(ARMcall GPR:$func)]>,
2300 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2302 let Inst{31-4} = 0b1110000100101111111111110011;
2303 let Inst{3-0} = func;
2306 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2307 IIC_Br, "blx", "\t$func",
2308 [(ARMcall_pred GPR:$func)]>,
2309 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2311 let Inst{27-4} = 0b000100101111111111110011;
2312 let Inst{3-0} = func;
2316 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2317 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2318 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2319 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2322 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2323 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2324 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2326 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2327 // return stack predictor.
2328 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins arm_bl_target:$func),
2329 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2330 Requires<[IsARM]>, Sched<[WriteBr]>;
2333 let isBranch = 1, isTerminator = 1 in {
2334 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2335 // a two-value operand where a dag node expects two operands. :(
2336 def Bcc : ABI<0b1010, (outs), (ins arm_br_target:$target),
2337 IIC_Br, "b", "\t$target",
2338 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2341 let Inst{23-0} = target;
2342 let DecoderMethod = "DecodeBranchImmInstruction";
2345 let isBarrier = 1 in {
2346 // B is "predicable" since it's just a Bcc with an 'always' condition.
2347 let isPredicable = 1 in
2348 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2349 // should be sufficient.
2350 // FIXME: Is B really a Barrier? That doesn't seem right.
2351 def B : ARMPseudoExpand<(outs), (ins arm_br_target:$target), 4, IIC_Br,
2352 [(br bb:$target)], (Bcc arm_br_target:$target,
2353 (ops 14, zero_reg))>,
2356 let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
2357 def BR_JTr : ARMPseudoInst<(outs),
2358 (ins GPR:$target, i32imm:$jt),
2360 [(ARMbrjt GPR:$target, tjumptable:$jt)]>,
2362 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2363 // into i12 and rs suffixed versions.
2364 def BR_JTm : ARMPseudoInst<(outs),
2365 (ins addrmode2:$target, i32imm:$jt),
2367 [(ARMbrjt (i32 (load addrmode2:$target)),
2368 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2369 def BR_JTadd : ARMPseudoInst<(outs),
2370 (ins GPR:$target, GPR:$idx, i32imm:$jt),
2372 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt)]>,
2373 Sched<[WriteBrTbl]>;
2374 } // isNotDuplicable = 1, isIndirectBranch = 1
2380 def BLXi : AXI<(outs), (ins arm_blx_target:$target), BrMiscFrm, NoItinerary,
2381 "blx\t$target", []>,
2382 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2383 let Inst{31-25} = 0b1111101;
2385 let Inst{23-0} = target{24-1};
2386 let Inst{24} = target{0};
2390 // Branch and Exchange Jazelle
2391 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2392 [/* pattern left blank */]>, Sched<[WriteBr]> {
2394 let Inst{23-20} = 0b0010;
2395 let Inst{19-8} = 0xfff;
2396 let Inst{7-4} = 0b0010;
2397 let Inst{3-0} = func;
2403 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2404 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2407 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2410 def TAILJMPd : ARMPseudoExpand<(outs), (ins arm_br_target:$dst),
2412 (Bcc arm_br_target:$dst, (ops 14, zero_reg))>,
2413 Requires<[IsARM]>, Sched<[WriteBr]>;
2415 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2417 (BX GPR:$dst)>, Sched<[WriteBr]>,
2421 // Secure Monitor Call is a system instruction.
2422 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2423 []>, Requires<[IsARM, HasTrustZone]> {
2425 let Inst{23-4} = 0b01100000000000000111;
2426 let Inst{3-0} = opt;
2428 def : MnemonicAlias<"smi", "smc">;
2430 // Supervisor Call (Software Interrupt)
2431 let isCall = 1, Uses = [SP] in {
2432 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2435 let Inst{23-0} = svc;
2439 // Store Return State
2440 class SRSI<bit wb, string asm>
2441 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2442 NoItinerary, asm, "", []> {
2444 let Inst{31-28} = 0b1111;
2445 let Inst{27-25} = 0b100;
2449 let Inst{19-16} = 0b1101; // SP
2450 let Inst{15-5} = 0b00000101000;
2451 let Inst{4-0} = mode;
2454 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2455 let Inst{24-23} = 0;
2457 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2458 let Inst{24-23} = 0;
2460 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2461 let Inst{24-23} = 0b10;
2463 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2464 let Inst{24-23} = 0b10;
2466 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2467 let Inst{24-23} = 0b01;
2469 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2470 let Inst{24-23} = 0b01;
2472 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2473 let Inst{24-23} = 0b11;
2475 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2476 let Inst{24-23} = 0b11;
2479 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2480 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2482 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2483 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2485 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2486 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2488 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2489 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2491 // Return From Exception
2492 class RFEI<bit wb, string asm>
2493 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2494 NoItinerary, asm, "", []> {
2496 let Inst{31-28} = 0b1111;
2497 let Inst{27-25} = 0b100;
2501 let Inst{19-16} = Rn;
2502 let Inst{15-0} = 0xa00;
2505 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2506 let Inst{24-23} = 0;
2508 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2509 let Inst{24-23} = 0;
2511 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2512 let Inst{24-23} = 0b10;
2514 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2515 let Inst{24-23} = 0b10;
2517 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2518 let Inst{24-23} = 0b01;
2520 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2521 let Inst{24-23} = 0b01;
2523 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2524 let Inst{24-23} = 0b11;
2526 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2527 let Inst{24-23} = 0b11;
2530 // Hypervisor Call is a system instruction
2532 def HVC : AInoP< (outs), (ins imm0_65535:$imm), BrFrm, NoItinerary,
2533 "hvc", "\t$imm", []>,
2534 Requires<[IsARM, HasVirtualization]> {
2537 // Even though HVC isn't predicable, it's encoding includes a condition field.
2538 // The instruction is undefined if the condition field is 0xf otherwise it is
2539 // unpredictable if it isn't condition AL (0xe).
2540 let Inst{31-28} = 0b1110;
2541 let Unpredictable{31-28} = 0b1111;
2542 let Inst{27-24} = 0b0001;
2543 let Inst{23-20} = 0b0100;
2544 let Inst{19-8} = imm{15-4};
2545 let Inst{7-4} = 0b0111;
2546 let Inst{3-0} = imm{3-0};
2550 // Return from exception in Hypervisor mode.
2551 let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
2552 def ERET : ABI<0b0001, (outs), (ins), NoItinerary, "eret", "", []>,
2553 Requires<[IsARM, HasVirtualization]> {
2554 let Inst{23-0} = 0b011000000000000001101110;
2557 //===----------------------------------------------------------------------===//
2558 // Load / Store Instructions.
2564 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si, load>;
2565 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2567 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si, store>;
2568 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2571 // Special LDR for loads from non-pc-relative constpools.
2572 let canFoldAsLoad = 1, mayLoad = 1, hasSideEffects = 0,
2573 isReMaterializable = 1, isCodeGenOnly = 1 in
2574 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2575 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2579 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2580 let Inst{19-16} = 0b1111;
2581 let Inst{15-12} = Rt;
2582 let Inst{11-0} = addr{11-0}; // imm12
2585 // Loads with zero extension
2586 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2587 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2588 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2590 // Loads with sign extension
2591 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2592 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2593 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2595 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2596 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2597 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2599 let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
2601 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2602 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2603 Requires<[IsARM, HasV5TE]>;
2606 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2607 NoItinerary, "lda", "\t$Rt, $addr", []>;
2608 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2609 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2610 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2611 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2614 multiclass AI2_ldridx<bit isByte, string opc,
2615 InstrItinClass iii, InstrItinClass iir> {
2616 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2617 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2618 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2621 let Inst{23} = addr{12};
2622 let Inst{19-16} = addr{16-13};
2623 let Inst{11-0} = addr{11-0};
2624 let DecoderMethod = "DecodeLDRPreImm";
2627 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2628 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2629 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2632 let Inst{23} = addr{12};
2633 let Inst{19-16} = addr{16-13};
2634 let Inst{11-0} = addr{11-0};
2636 let DecoderMethod = "DecodeLDRPreReg";
2639 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2640 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2641 IndexModePost, LdFrm, iir,
2642 opc, "\t$Rt, $addr, $offset",
2643 "$addr.base = $Rn_wb", []> {
2649 let Inst{23} = offset{12};
2650 let Inst{19-16} = addr;
2651 let Inst{11-0} = offset{11-0};
2654 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2657 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2658 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2659 IndexModePost, LdFrm, iii,
2660 opc, "\t$Rt, $addr, $offset",
2661 "$addr.base = $Rn_wb", []> {
2667 let Inst{23} = offset{12};
2668 let Inst{19-16} = addr;
2669 let Inst{11-0} = offset{11-0};
2671 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2676 let mayLoad = 1, hasSideEffects = 0 in {
2677 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2678 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2679 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2680 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2683 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2684 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2685 (ins addrmode3_pre:$addr), IndexModePre,
2687 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2689 let Inst{23} = addr{8}; // U bit
2690 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2691 let Inst{19-16} = addr{12-9}; // Rn
2692 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2693 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2694 let DecoderMethod = "DecodeAddrMode3Instruction";
2696 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2697 (ins addr_offset_none:$addr, am3offset:$offset),
2698 IndexModePost, LdMiscFrm, itin,
2699 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2703 let Inst{23} = offset{8}; // U bit
2704 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2705 let Inst{19-16} = addr;
2706 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2707 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2708 let DecoderMethod = "DecodeAddrMode3Instruction";
2712 let mayLoad = 1, hasSideEffects = 0 in {
2713 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2714 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2715 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2716 let hasExtraDefRegAllocReq = 1 in {
2717 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2718 (ins addrmode3_pre:$addr), IndexModePre,
2719 LdMiscFrm, IIC_iLoad_d_ru,
2720 "ldrd", "\t$Rt, $Rt2, $addr!",
2721 "$addr.base = $Rn_wb", []> {
2723 let Inst{23} = addr{8}; // U bit
2724 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2725 let Inst{19-16} = addr{12-9}; // Rn
2726 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2727 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2728 let DecoderMethod = "DecodeAddrMode3Instruction";
2730 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2731 (ins addr_offset_none:$addr, am3offset:$offset),
2732 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2733 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2734 "$addr.base = $Rn_wb", []> {
2737 let Inst{23} = offset{8}; // U bit
2738 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2739 let Inst{19-16} = addr;
2740 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2741 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2742 let DecoderMethod = "DecodeAddrMode3Instruction";
2744 } // hasExtraDefRegAllocReq = 1
2745 } // mayLoad = 1, hasSideEffects = 0
2747 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2748 let mayLoad = 1, hasSideEffects = 0 in {
2749 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2750 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2751 IndexModePost, LdFrm, IIC_iLoad_ru,
2752 "ldrt", "\t$Rt, $addr, $offset",
2753 "$addr.base = $Rn_wb", []> {
2759 let Inst{23} = offset{12};
2760 let Inst{21} = 1; // overwrite
2761 let Inst{19-16} = addr;
2762 let Inst{11-5} = offset{11-5};
2764 let Inst{3-0} = offset{3-0};
2765 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2769 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2770 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2771 IndexModePost, LdFrm, IIC_iLoad_ru,
2772 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2778 let Inst{23} = offset{12};
2779 let Inst{21} = 1; // overwrite
2780 let Inst{19-16} = addr;
2781 let Inst{11-0} = offset{11-0};
2782 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2785 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2786 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2787 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2788 "ldrbt", "\t$Rt, $addr, $offset",
2789 "$addr.base = $Rn_wb", []> {
2795 let Inst{23} = offset{12};
2796 let Inst{21} = 1; // overwrite
2797 let Inst{19-16} = addr;
2798 let Inst{11-5} = offset{11-5};
2800 let Inst{3-0} = offset{3-0};
2801 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2805 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2806 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2807 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2808 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2814 let Inst{23} = offset{12};
2815 let Inst{21} = 1; // overwrite
2816 let Inst{19-16} = addr;
2817 let Inst{11-0} = offset{11-0};
2818 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2821 multiclass AI3ldrT<bits<4> op, string opc> {
2822 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2823 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2824 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2825 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2827 let Inst{23} = offset{8};
2829 let Inst{11-8} = offset{7-4};
2830 let Inst{3-0} = offset{3-0};
2832 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2833 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2834 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2835 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2837 let Inst{23} = Rm{4};
2840 let Unpredictable{11-8} = 0b1111;
2841 let Inst{3-0} = Rm{3-0};
2842 let DecoderMethod = "DecodeLDR";
2846 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2847 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2848 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2852 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2856 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2859 // Pseudo instruction ldr Rt, =immediate
2861 : ARMAsmPseudo<"ldr${q} $Rt, $immediate",
2862 (ins const_pool_asm_imm:$immediate, pred:$q),
2867 // Stores with truncate
2868 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2869 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2870 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2873 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2874 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2875 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2876 Requires<[IsARM, HasV5TE]> {
2882 multiclass AI2_stridx<bit isByte, string opc,
2883 InstrItinClass iii, InstrItinClass iir> {
2884 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2885 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2887 opc, "\t$Rt, $addr!",
2888 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2891 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2892 let Inst{19-16} = addr{16-13}; // Rn
2893 let Inst{11-0} = addr{11-0}; // imm12
2894 let DecoderMethod = "DecodeSTRPreImm";
2897 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2898 (ins GPR:$Rt, ldst_so_reg:$addr),
2899 IndexModePre, StFrm, iir,
2900 opc, "\t$Rt, $addr!",
2901 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2904 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2905 let Inst{19-16} = addr{16-13}; // Rn
2906 let Inst{11-0} = addr{11-0};
2907 let Inst{4} = 0; // Inst{4} = 0
2908 let DecoderMethod = "DecodeSTRPreReg";
2910 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2911 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2912 IndexModePost, StFrm, iir,
2913 opc, "\t$Rt, $addr, $offset",
2914 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2920 let Inst{23} = offset{12};
2921 let Inst{19-16} = addr;
2922 let Inst{11-0} = offset{11-0};
2925 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2928 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2929 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2930 IndexModePost, StFrm, iii,
2931 opc, "\t$Rt, $addr, $offset",
2932 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2938 let Inst{23} = offset{12};
2939 let Inst{19-16} = addr;
2940 let Inst{11-0} = offset{11-0};
2942 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2946 let mayStore = 1, hasSideEffects = 0 in {
2947 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2948 // IIC_iStore_siu depending on whether it the offset register is shifted.
2949 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2950 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2953 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2954 am2offset_reg:$offset),
2955 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2956 am2offset_reg:$offset)>;
2957 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2958 am2offset_imm:$offset),
2959 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2960 am2offset_imm:$offset)>;
2961 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2962 am2offset_reg:$offset),
2963 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2964 am2offset_reg:$offset)>;
2965 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2966 am2offset_imm:$offset),
2967 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2968 am2offset_imm:$offset)>;
2970 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2971 // put the patterns on the instruction definitions directly as ISel wants
2972 // the address base and offset to be separate operands, not a single
2973 // complex operand like we represent the instructions themselves. The
2974 // pseudos map between the two.
2975 let usesCustomInserter = 1,
2976 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2977 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2978 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2981 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2982 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2983 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2986 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2987 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2988 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2991 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2992 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2993 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2996 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2997 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2998 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
3001 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
3006 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
3007 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
3008 StMiscFrm, IIC_iStore_bh_ru,
3009 "strh", "\t$Rt, $addr!",
3010 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
3012 let Inst{23} = addr{8}; // U bit
3013 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3014 let Inst{19-16} = addr{12-9}; // Rn
3015 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3016 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3017 let DecoderMethod = "DecodeAddrMode3Instruction";
3020 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
3021 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
3022 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
3023 "strh", "\t$Rt, $addr, $offset",
3024 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb",
3025 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
3026 addr_offset_none:$addr,
3027 am3offset:$offset))]> {
3030 let Inst{23} = offset{8}; // U bit
3031 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3032 let Inst{19-16} = addr;
3033 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3034 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3035 let DecoderMethod = "DecodeAddrMode3Instruction";
3038 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
3039 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
3040 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
3041 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
3042 "strd", "\t$Rt, $Rt2, $addr!",
3043 "$addr.base = $Rn_wb", []> {
3045 let Inst{23} = addr{8}; // U bit
3046 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3047 let Inst{19-16} = addr{12-9}; // Rn
3048 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3049 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3050 let DecoderMethod = "DecodeAddrMode3Instruction";
3053 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
3054 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
3056 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
3057 "strd", "\t$Rt, $Rt2, $addr, $offset",
3058 "$addr.base = $Rn_wb", []> {
3061 let Inst{23} = offset{8}; // U bit
3062 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3063 let Inst{19-16} = addr;
3064 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3065 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3066 let DecoderMethod = "DecodeAddrMode3Instruction";
3068 } // mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1
3070 // STRT, STRBT, and STRHT
3072 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3073 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3074 IndexModePost, StFrm, IIC_iStore_bh_ru,
3075 "strbt", "\t$Rt, $addr, $offset",
3076 "$addr.base = $Rn_wb", []> {
3082 let Inst{23} = offset{12};
3083 let Inst{21} = 1; // overwrite
3084 let Inst{19-16} = addr;
3085 let Inst{11-5} = offset{11-5};
3087 let Inst{3-0} = offset{3-0};
3088 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3092 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3093 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3094 IndexModePost, StFrm, IIC_iStore_bh_ru,
3095 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3101 let Inst{23} = offset{12};
3102 let Inst{21} = 1; // overwrite
3103 let Inst{19-16} = addr;
3104 let Inst{11-0} = offset{11-0};
3105 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3109 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
3110 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3112 let mayStore = 1, hasSideEffects = 0 in {
3113 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3114 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3115 IndexModePost, StFrm, IIC_iStore_ru,
3116 "strt", "\t$Rt, $addr, $offset",
3117 "$addr.base = $Rn_wb", []> {
3123 let Inst{23} = offset{12};
3124 let Inst{21} = 1; // overwrite
3125 let Inst{19-16} = addr;
3126 let Inst{11-5} = offset{11-5};
3128 let Inst{3-0} = offset{3-0};
3129 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3133 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3134 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3135 IndexModePost, StFrm, IIC_iStore_ru,
3136 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3142 let Inst{23} = offset{12};
3143 let Inst{21} = 1; // overwrite
3144 let Inst{19-16} = addr;
3145 let Inst{11-0} = offset{11-0};
3146 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3151 : ARMAsmPseudo<"strt${q} $Rt, $addr",
3152 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3154 multiclass AI3strT<bits<4> op, string opc> {
3155 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3156 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
3157 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3158 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
3160 let Inst{23} = offset{8};
3162 let Inst{11-8} = offset{7-4};
3163 let Inst{3-0} = offset{3-0};
3165 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3166 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
3167 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3168 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
3170 let Inst{23} = Rm{4};
3173 let Inst{3-0} = Rm{3-0};
3178 defm STRHT : AI3strT<0b1011, "strht">;
3180 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3181 NoItinerary, "stl", "\t$Rt, $addr", []>;
3182 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3183 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3184 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3185 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3187 //===----------------------------------------------------------------------===//
3188 // Load / store multiple Instructions.
3191 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3192 InstrItinClass itin, InstrItinClass itin_upd> {
3193 // IA is the default, so no need for an explicit suffix on the
3194 // mnemonic here. Without it is the canonical spelling.
3196 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3197 IndexModeNone, f, itin,
3198 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3199 let Inst{24-23} = 0b01; // Increment After
3200 let Inst{22} = P_bit;
3201 let Inst{21} = 0; // No writeback
3202 let Inst{20} = L_bit;
3205 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3206 IndexModeUpd, f, itin_upd,
3207 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3208 let Inst{24-23} = 0b01; // Increment After
3209 let Inst{22} = P_bit;
3210 let Inst{21} = 1; // Writeback
3211 let Inst{20} = L_bit;
3213 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3216 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3217 IndexModeNone, f, itin,
3218 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3219 let Inst{24-23} = 0b00; // Decrement After
3220 let Inst{22} = P_bit;
3221 let Inst{21} = 0; // No writeback
3222 let Inst{20} = L_bit;
3225 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3226 IndexModeUpd, f, itin_upd,
3227 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3228 let Inst{24-23} = 0b00; // Decrement After
3229 let Inst{22} = P_bit;
3230 let Inst{21} = 1; // Writeback
3231 let Inst{20} = L_bit;
3233 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3236 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3237 IndexModeNone, f, itin,
3238 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3239 let Inst{24-23} = 0b10; // Decrement Before
3240 let Inst{22} = P_bit;
3241 let Inst{21} = 0; // No writeback
3242 let Inst{20} = L_bit;
3245 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3246 IndexModeUpd, f, itin_upd,
3247 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3248 let Inst{24-23} = 0b10; // Decrement Before
3249 let Inst{22} = P_bit;
3250 let Inst{21} = 1; // Writeback
3251 let Inst{20} = L_bit;
3253 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3256 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3257 IndexModeNone, f, itin,
3258 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3259 let Inst{24-23} = 0b11; // Increment Before
3260 let Inst{22} = P_bit;
3261 let Inst{21} = 0; // No writeback
3262 let Inst{20} = L_bit;
3265 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3266 IndexModeUpd, f, itin_upd,
3267 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3268 let Inst{24-23} = 0b11; // Increment Before
3269 let Inst{22} = P_bit;
3270 let Inst{21} = 1; // Writeback
3271 let Inst{20} = L_bit;
3273 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3277 let hasSideEffects = 0 in {
3279 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3280 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3281 IIC_iLoad_mu>, ComplexDeprecationPredicate<"ARMLoad">;
3283 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3284 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3286 ComplexDeprecationPredicate<"ARMStore">;
3290 // FIXME: remove when we have a way to marking a MI with these properties.
3291 // FIXME: Should pc be an implicit operand like PICADD, etc?
3292 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3293 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3294 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3295 reglist:$regs, variable_ops),
3296 4, IIC_iLoad_mBr, [],
3297 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3298 RegConstraint<"$Rn = $wb">;
3300 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3301 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3304 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3305 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3310 //===----------------------------------------------------------------------===//
3311 // Move Instructions.
3314 let hasSideEffects = 0 in
3315 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3316 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3320 let Inst{19-16} = 0b0000;
3321 let Inst{11-4} = 0b00000000;
3324 let Inst{15-12} = Rd;
3327 // A version for the smaller set of tail call registers.
3328 let hasSideEffects = 0 in
3329 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3330 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3334 let Inst{11-4} = 0b00000000;
3337 let Inst{15-12} = Rd;
3340 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3341 DPSoRegRegFrm, IIC_iMOVsr,
3342 "mov", "\t$Rd, $src",
3343 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3347 let Inst{15-12} = Rd;
3348 let Inst{19-16} = 0b0000;
3349 let Inst{11-8} = src{11-8};
3351 let Inst{6-5} = src{6-5};
3353 let Inst{3-0} = src{3-0};
3357 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3358 DPSoRegImmFrm, IIC_iMOVsr,
3359 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3360 UnaryDP, Sched<[WriteALU]> {
3363 let Inst{15-12} = Rd;
3364 let Inst{19-16} = 0b0000;
3365 let Inst{11-5} = src{11-5};
3367 let Inst{3-0} = src{3-0};
3371 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3372 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm, IIC_iMOVi,
3373 "mov", "\t$Rd, $imm", [(set GPR:$Rd, mod_imm:$imm)]>, UnaryDP,
3378 let Inst{15-12} = Rd;
3379 let Inst{19-16} = 0b0000;
3380 let Inst{11-0} = imm;
3383 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3384 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3386 "movw", "\t$Rd, $imm",
3387 [(set GPR:$Rd, imm0_65535:$imm)]>,
3388 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3391 let Inst{15-12} = Rd;
3392 let Inst{11-0} = imm{11-0};
3393 let Inst{19-16} = imm{15-12};
3396 let DecoderMethod = "DecodeArmMOVTWInstruction";
3399 def : InstAlias<"mov${p} $Rd, $imm",
3400 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p), 0>,
3401 Requires<[IsARM, HasV6T2]>;
3403 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3404 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3407 let Constraints = "$src = $Rd" in {
3408 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3409 (ins GPR:$src, imm0_65535_expr:$imm),
3411 "movt", "\t$Rd, $imm",
3413 (or (and GPR:$src, 0xffff),
3414 lo16AllZero:$imm))]>, UnaryDP,
3415 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3418 let Inst{15-12} = Rd;
3419 let Inst{11-0} = imm{11-0};
3420 let Inst{19-16} = imm{15-12};
3423 let DecoderMethod = "DecodeArmMOVTWInstruction";
3426 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3427 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3432 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3433 Requires<[IsARM, HasV6T2]>;
3435 let Uses = [CPSR] in
3436 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3437 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3438 Requires<[IsARM]>, Sched<[WriteALU]>;
3440 // These aren't really mov instructions, but we have to define them this way
3441 // due to flag operands.
3443 let Defs = [CPSR] in {
3444 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3445 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3446 Sched<[WriteALU]>, Requires<[IsARM]>;
3447 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3448 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3449 Sched<[WriteALU]>, Requires<[IsARM]>;
3452 //===----------------------------------------------------------------------===//
3453 // Extend Instructions.
3458 def SXTB : AI_ext_rrot<0b01101010,
3459 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3460 def SXTH : AI_ext_rrot<0b01101011,
3461 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3463 def SXTAB : AI_exta_rrot<0b01101010,
3464 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3465 def SXTAH : AI_exta_rrot<0b01101011,
3466 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3468 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, rot_imm:$rot), i8)),
3469 (SXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3470 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, imm8_or_16:$rot),
3472 (SXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3474 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3476 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3480 let AddedComplexity = 16 in {
3481 def UXTB : AI_ext_rrot<0b01101110,
3482 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3483 def UXTH : AI_ext_rrot<0b01101111,
3484 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3485 def UXTB16 : AI_ext_rrot<0b01101100,
3486 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3488 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3489 // The transformation should probably be done as a combiner action
3490 // instead so we can include a check for masking back in the upper
3491 // eight bits of the source into the lower eight bits of the result.
3492 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3493 // (UXTB16r_rot GPR:$Src, 3)>;
3494 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3495 (UXTB16 GPR:$Src, 1)>;
3497 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3498 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3499 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3500 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3502 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, rot_imm:$rot), 0xFF)),
3503 (UXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3504 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, imm8_or_16:$rot), 0xFFFF)),
3505 (UXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3508 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3509 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3512 def SBFX : I<(outs GPRnopc:$Rd),
3513 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3514 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3515 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3516 Requires<[IsARM, HasV6T2]> {
3521 let Inst{27-21} = 0b0111101;
3522 let Inst{6-4} = 0b101;
3523 let Inst{20-16} = width;
3524 let Inst{15-12} = Rd;
3525 let Inst{11-7} = lsb;
3529 def UBFX : I<(outs GPRnopc:$Rd),
3530 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3531 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3532 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3533 Requires<[IsARM, HasV6T2]> {
3538 let Inst{27-21} = 0b0111111;
3539 let Inst{6-4} = 0b101;
3540 let Inst{20-16} = width;
3541 let Inst{15-12} = Rd;
3542 let Inst{11-7} = lsb;
3546 //===----------------------------------------------------------------------===//
3547 // Arithmetic Instructions.
3551 defm ADD : AsI1_bin_irs<0b0100, "add",
3552 IIC_iALUi, IIC_iALUr, IIC_iALUsr, add, 1>;
3553 defm SUB : AsI1_bin_irs<0b0010, "sub",
3554 IIC_iALUi, IIC_iALUr, IIC_iALUsr, sub>;
3556 // ADD and SUB with 's' bit set.
3558 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3559 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3560 // AdjustInstrPostInstrSelection where we determine whether or not to
3561 // set the "s" bit based on CPSR liveness.
3563 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3564 // support for an optional CPSR definition that corresponds to the DAG
3565 // node's second value. We can then eliminate the implicit def of CPSR.
3567 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMaddc, 1>;
3568 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3571 defm ADC : AI1_adde_sube_irs<0b0101, "adc", ARMadde, 1>;
3572 defm SBC : AI1_adde_sube_irs<0b0110, "sbc", ARMsube>;
3574 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3575 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3578 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3579 // CPSR and the implicit def of CPSR is not needed.
3580 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3582 defm RSC : AI1_rsc_irs<0b0111, "rsc", ARMsube>;
3584 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3585 // The assume-no-carry-in form uses the negation of the input since add/sub
3586 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3587 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3589 def : ARMPat<(add GPR:$src, mod_imm_neg:$imm),
3590 (SUBri GPR:$src, mod_imm_neg:$imm)>;
3591 def : ARMPat<(ARMaddc GPR:$src, mod_imm_neg:$imm),
3592 (SUBSri GPR:$src, mod_imm_neg:$imm)>;
3594 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3595 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3596 Requires<[IsARM, HasV6T2]>;
3597 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3598 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3599 Requires<[IsARM, HasV6T2]>;
3601 // The with-carry-in form matches bitwise not instead of the negation.
3602 // Effectively, the inverse interpretation of the carry flag already accounts
3603 // for part of the negation.
3604 def : ARMPat<(ARMadde GPR:$src, mod_imm_not:$imm, CPSR),
3605 (SBCri GPR:$src, mod_imm_not:$imm)>;
3606 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3607 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>,
3608 Requires<[IsARM, HasV6T2]>;
3610 // Note: These are implemented in C++ code, because they have to generate
3611 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3613 // (mul X, 2^n+1) -> (add (X << n), X)
3614 // (mul X, 2^n-1) -> (rsb X, (X << n))
3616 // ARM Arithmetic Instruction
3617 // GPR:$dst = GPR:$a op GPR:$b
3618 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3619 list<dag> pattern = [],
3620 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3621 string asm = "\t$Rd, $Rn, $Rm">
3622 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3623 Sched<[WriteALU, ReadALU, ReadALU]> {
3627 let Inst{27-20} = op27_20;
3628 let Inst{11-4} = op11_4;
3629 let Inst{19-16} = Rn;
3630 let Inst{15-12} = Rd;
3633 let Unpredictable{11-8} = 0b1111;
3636 // Saturating add/subtract
3638 let DecoderMethod = "DecodeQADDInstruction" in
3639 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3640 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3641 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3643 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3644 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3645 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3646 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3647 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3649 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3650 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3653 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3654 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3655 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3656 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3657 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3658 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3659 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3660 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3661 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3662 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3663 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3664 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3666 // Signed/Unsigned add/subtract
3668 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3669 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3670 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3671 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3672 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3673 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3674 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3675 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3676 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3677 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3678 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3679 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3681 // Signed/Unsigned halving add/subtract
3683 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3684 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3685 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3686 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3687 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3688 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3689 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3690 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3691 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3692 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3693 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3694 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3696 // Unsigned Sum of Absolute Differences [and Accumulate].
3698 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3699 MulFrm /* for convenience */, NoItinerary, "usad8",
3700 "\t$Rd, $Rn, $Rm", []>,
3701 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3705 let Inst{27-20} = 0b01111000;
3706 let Inst{15-12} = 0b1111;
3707 let Inst{7-4} = 0b0001;
3708 let Inst{19-16} = Rd;
3709 let Inst{11-8} = Rm;
3712 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3713 MulFrm /* for convenience */, NoItinerary, "usada8",
3714 "\t$Rd, $Rn, $Rm, $Ra", []>,
3715 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3720 let Inst{27-20} = 0b01111000;
3721 let Inst{7-4} = 0b0001;
3722 let Inst{19-16} = Rd;
3723 let Inst{15-12} = Ra;
3724 let Inst{11-8} = Rm;
3728 // Signed/Unsigned saturate
3730 def SSAT : AI<(outs GPRnopc:$Rd),
3731 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3732 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3733 Requires<[IsARM,HasV6]>{
3738 let Inst{27-21} = 0b0110101;
3739 let Inst{5-4} = 0b01;
3740 let Inst{20-16} = sat_imm;
3741 let Inst{15-12} = Rd;
3742 let Inst{11-7} = sh{4-0};
3743 let Inst{6} = sh{5};
3747 def SSAT16 : AI<(outs GPRnopc:$Rd),
3748 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3749 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []>,
3750 Requires<[IsARM,HasV6]>{
3754 let Inst{27-20} = 0b01101010;
3755 let Inst{11-4} = 0b11110011;
3756 let Inst{15-12} = Rd;
3757 let Inst{19-16} = sat_imm;
3761 def USAT : AI<(outs GPRnopc:$Rd),
3762 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3763 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3764 Requires<[IsARM,HasV6]> {
3769 let Inst{27-21} = 0b0110111;
3770 let Inst{5-4} = 0b01;
3771 let Inst{15-12} = Rd;
3772 let Inst{11-7} = sh{4-0};
3773 let Inst{6} = sh{5};
3774 let Inst{20-16} = sat_imm;
3778 def USAT16 : AI<(outs GPRnopc:$Rd),
3779 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3780 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []>,
3781 Requires<[IsARM,HasV6]>{
3785 let Inst{27-20} = 0b01101110;
3786 let Inst{11-4} = 0b11110011;
3787 let Inst{15-12} = Rd;
3788 let Inst{19-16} = sat_imm;
3792 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm1_32:$pos),
3793 (SSAT imm1_32:$pos, GPRnopc:$a, 0)>;
3794 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm0_31:$pos),
3795 (USAT imm0_31:$pos, GPRnopc:$a, 0)>;
3796 def : ARMPat<(ARMssatnoshift GPRnopc:$Rn, imm0_31:$imm),
3797 (SSAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3799 //===----------------------------------------------------------------------===//
3800 // Bitwise Instructions.
3803 defm AND : AsI1_bin_irs<0b0000, "and",
3804 IIC_iBITi, IIC_iBITr, IIC_iBITsr, and, 1>;
3805 defm ORR : AsI1_bin_irs<0b1100, "orr",
3806 IIC_iBITi, IIC_iBITr, IIC_iBITsr, or, 1>;
3807 defm EOR : AsI1_bin_irs<0b0001, "eor",
3808 IIC_iBITi, IIC_iBITr, IIC_iBITsr, xor, 1>;
3809 defm BIC : AsI1_bin_irs<0b1110, "bic",
3810 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3811 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3813 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3814 // like in the actual instruction encoding. The complexity of mapping the mask
3815 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3816 // instruction description.
3817 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3818 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3819 "bfc", "\t$Rd, $imm", "$src = $Rd",
3820 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3821 Requires<[IsARM, HasV6T2]> {
3824 let Inst{27-21} = 0b0111110;
3825 let Inst{6-0} = 0b0011111;
3826 let Inst{15-12} = Rd;
3827 let Inst{11-7} = imm{4-0}; // lsb
3828 let Inst{20-16} = imm{9-5}; // msb
3831 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3832 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3833 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3834 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3835 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3836 bf_inv_mask_imm:$imm))]>,
3837 Requires<[IsARM, HasV6T2]> {
3841 let Inst{27-21} = 0b0111110;
3842 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3843 let Inst{15-12} = Rd;
3844 let Inst{11-7} = imm{4-0}; // lsb
3845 let Inst{20-16} = imm{9-5}; // width
3849 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3850 "mvn", "\t$Rd, $Rm",
3851 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3855 let Inst{19-16} = 0b0000;
3856 let Inst{11-4} = 0b00000000;
3857 let Inst{15-12} = Rd;
3860 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3861 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3862 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3867 let Inst{19-16} = 0b0000;
3868 let Inst{15-12} = Rd;
3869 let Inst{11-5} = shift{11-5};
3871 let Inst{3-0} = shift{3-0};
3873 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3874 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3875 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3880 let Inst{19-16} = 0b0000;
3881 let Inst{15-12} = Rd;
3882 let Inst{11-8} = shift{11-8};
3884 let Inst{6-5} = shift{6-5};
3886 let Inst{3-0} = shift{3-0};
3888 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3889 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm,
3890 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3891 [(set GPR:$Rd, mod_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3895 let Inst{19-16} = 0b0000;
3896 let Inst{15-12} = Rd;
3897 let Inst{11-0} = imm;
3900 let AddedComplexity = 1 in
3901 def : ARMPat<(and GPR:$src, mod_imm_not:$imm),
3902 (BICri GPR:$src, mod_imm_not:$imm)>;
3904 //===----------------------------------------------------------------------===//
3905 // Multiply Instructions.
3907 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3908 string opc, string asm, list<dag> pattern>
3909 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3913 let Inst{19-16} = Rd;
3914 let Inst{11-8} = Rm;
3917 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3918 string opc, string asm, list<dag> pattern>
3919 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3924 let Inst{19-16} = RdHi;
3925 let Inst{15-12} = RdLo;
3926 let Inst{11-8} = Rm;
3929 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3930 string opc, string asm, list<dag> pattern>
3931 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3936 let Inst{19-16} = RdHi;
3937 let Inst{15-12} = RdLo;
3938 let Inst{11-8} = Rm;
3942 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3943 // property. Remove them when it's possible to add those properties
3944 // on an individual MachineInstr, not just an instruction description.
3945 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3946 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3947 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3948 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3949 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3950 Requires<[IsARM, HasV6]>,
3951 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
3952 let Inst{15-12} = 0b0000;
3953 let Unpredictable{15-12} = 0b1111;
3956 let Constraints = "@earlyclobber $Rd" in
3957 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3958 pred:$p, cc_out:$s),
3960 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3961 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3962 Requires<[IsARM, NoV6, UseMulOps]>,
3963 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
3966 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
3967 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
3968 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3969 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
3970 Requires<[IsARM, HasV6, UseMulOps]>,
3971 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
3973 let Inst{15-12} = Ra;
3976 let Constraints = "@earlyclobber $Rd" in
3977 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
3978 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
3979 pred:$p, cc_out:$s), 4, IIC_iMAC32,
3980 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
3981 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
3982 Requires<[IsARM, NoV6]>,
3983 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
3985 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3986 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3987 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3988 Requires<[IsARM, HasV6T2, UseMulOps]>,
3989 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
3994 let Inst{19-16} = Rd;
3995 let Inst{15-12} = Ra;
3996 let Inst{11-8} = Rm;
4000 // Extra precision multiplies with low / high results
4001 let hasSideEffects = 0 in {
4002 let isCommutable = 1 in {
4003 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
4004 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4005 "smull", "\t$RdLo, $RdHi, $Rn, $Rm",
4006 [(set GPR:$RdLo, GPR:$RdHi,
4007 (smullohi GPR:$Rn, GPR:$Rm))]>,
4008 Requires<[IsARM, HasV6]>,
4009 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4011 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
4012 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4013 "umull", "\t$RdLo, $RdHi, $Rn, $Rm",
4014 [(set GPR:$RdLo, GPR:$RdHi,
4015 (umullohi GPR:$Rn, GPR:$Rm))]>,
4016 Requires<[IsARM, HasV6]>,
4017 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL]>;
4019 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
4020 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4021 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4023 [(set GPR:$RdLo, GPR:$RdHi,
4024 (smullohi GPR:$Rn, GPR:$Rm))],
4025 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4026 Requires<[IsARM, NoV6]>,
4027 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4029 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4030 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4032 [(set GPR:$RdLo, GPR:$RdHi,
4033 (umullohi GPR:$Rn, GPR:$Rm))],
4034 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4035 Requires<[IsARM, NoV6]>,
4036 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4040 // Multiply + accumulate
4041 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
4042 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4043 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4044 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4045 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4046 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
4047 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4048 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4049 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4050 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4052 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
4053 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4055 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4056 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4057 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]> {
4062 let Inst{19-16} = RdHi;
4063 let Inst{15-12} = RdLo;
4064 let Inst{11-8} = Rm;
4069 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
4070 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4071 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4073 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4074 pred:$p, cc_out:$s)>,
4075 Requires<[IsARM, NoV6]>,
4076 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4077 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4078 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4080 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4081 pred:$p, cc_out:$s)>,
4082 Requires<[IsARM, NoV6]>,
4083 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4088 // Most significant word multiply
4089 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4090 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
4091 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
4092 Requires<[IsARM, HasV6]>,
4093 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4094 let Inst{15-12} = 0b1111;
4097 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4098 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
4099 Requires<[IsARM, HasV6]>,
4100 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4101 let Inst{15-12} = 0b1111;
4104 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
4105 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4106 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
4107 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
4108 Requires<[IsARM, HasV6, UseMulOps]>,
4109 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4111 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
4112 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4113 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
4114 Requires<[IsARM, HasV6]>,
4115 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4117 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
4118 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4119 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
4120 Requires<[IsARM, HasV6, UseMulOps]>,
4121 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4123 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
4124 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4125 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
4126 Requires<[IsARM, HasV6]>,
4127 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4129 multiclass AI_smul<string opc> {
4130 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4131 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
4132 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4133 (sext_inreg GPR:$Rm, i16)))]>,
4134 Requires<[IsARM, HasV5TE]>,
4135 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4137 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4138 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
4139 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4140 (sra GPR:$Rm, (i32 16))))]>,
4141 Requires<[IsARM, HasV5TE]>,
4142 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4144 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4145 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
4146 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4147 (sext_inreg GPR:$Rm, i16)))]>,
4148 Requires<[IsARM, HasV5TE]>,
4149 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4151 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4152 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
4153 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4154 (sra GPR:$Rm, (i32 16))))]>,
4155 Requires<[IsARM, HasV5TE]>,
4156 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4158 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4159 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
4160 [(set GPR:$Rd, (ARMsmulwb GPR:$Rn, GPR:$Rm))]>,
4161 Requires<[IsARM, HasV5TE]>,
4162 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4164 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4165 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
4166 [(set GPR:$Rd, (ARMsmulwt GPR:$Rn, GPR:$Rm))]>,
4167 Requires<[IsARM, HasV5TE]>,
4168 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4172 multiclass AI_smla<string opc> {
4173 let DecoderMethod = "DecodeSMLAInstruction" in {
4174 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
4175 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4176 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
4177 [(set GPRnopc:$Rd, (add GPR:$Ra,
4178 (mul (sext_inreg GPRnopc:$Rn, i16),
4179 (sext_inreg GPRnopc:$Rm, i16))))]>,
4180 Requires<[IsARM, HasV5TE, UseMulOps]>,
4181 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4183 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
4184 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4185 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
4187 (add GPR:$Ra, (mul (sext_inreg GPRnopc:$Rn, i16),
4188 (sra GPRnopc:$Rm, (i32 16)))))]>,
4189 Requires<[IsARM, HasV5TE, UseMulOps]>,
4190 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4192 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
4193 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4194 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
4196 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4197 (sext_inreg GPRnopc:$Rm, i16))))]>,
4198 Requires<[IsARM, HasV5TE, UseMulOps]>,
4199 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4201 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
4202 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4203 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
4205 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4206 (sra GPRnopc:$Rm, (i32 16)))))]>,
4207 Requires<[IsARM, HasV5TE, UseMulOps]>,
4208 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4210 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
4211 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4212 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
4214 (add GPR:$Ra, (ARMsmulwb GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4215 Requires<[IsARM, HasV5TE, UseMulOps]>,
4216 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4218 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
4219 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4220 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
4222 (add GPR:$Ra, (ARMsmulwt GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4223 Requires<[IsARM, HasV5TE, UseMulOps]>,
4224 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4228 defm SMUL : AI_smul<"smul">;
4229 defm SMLA : AI_smla<"smla">;
4231 // Halfword multiply accumulate long: SMLAL<x><y>.
4232 class SMLAL<bits<2> opc1, string asm>
4233 : AMulxyI64<0b0001010, opc1,
4234 (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4235 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4236 IIC_iMAC64, asm, "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4237 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4238 Requires<[IsARM, HasV5TE]>,
4239 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4241 def SMLALBB : SMLAL<0b00, "smlalbb">;
4242 def SMLALBT : SMLAL<0b10, "smlalbt">;
4243 def SMLALTB : SMLAL<0b01, "smlaltb">;
4244 def SMLALTT : SMLAL<0b11, "smlaltt">;
4246 def : ARMV5TEPat<(ARMsmlalbb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4247 (SMLALBB $Rn, $Rm, $RLo, $RHi)>;
4248 def : ARMV5TEPat<(ARMsmlalbt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4249 (SMLALBT $Rn, $Rm, $RLo, $RHi)>;
4250 def : ARMV5TEPat<(ARMsmlaltb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4251 (SMLALTB $Rn, $Rm, $RLo, $RHi)>;
4252 def : ARMV5TEPat<(ARMsmlaltt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4253 (SMLALTT $Rn, $Rm, $RLo, $RHi)>;
4255 // Helper class for AI_smld.
4256 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4257 InstrItinClass itin, string opc, string asm>
4258 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
4261 let Inst{27-23} = 0b01110;
4262 let Inst{22} = long;
4263 let Inst{21-20} = 0b00;
4264 let Inst{11-8} = Rm;
4271 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4272 InstrItinClass itin, string opc, string asm>
4273 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4275 let Inst{15-12} = 0b1111;
4276 let Inst{19-16} = Rd;
4278 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4279 InstrItinClass itin, string opc, string asm>
4280 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4283 let Inst{19-16} = Rd;
4284 let Inst{15-12} = Ra;
4286 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4287 InstrItinClass itin, string opc, string asm>
4288 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4291 let Inst{19-16} = RdHi;
4292 let Inst{15-12} = RdLo;
4295 multiclass AI_smld<bit sub, string opc> {
4297 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4298 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4299 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">,
4300 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4302 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4303 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4304 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">,
4305 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4307 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4308 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4309 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">,
4310 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4312 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4313 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4314 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">,
4315 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4319 defm SMLA : AI_smld<0, "smla">;
4320 defm SMLS : AI_smld<1, "smls">;
4322 multiclass AI_sdml<bit sub, string opc> {
4324 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4325 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">,
4326 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4327 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4328 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">,
4329 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4332 defm SMUA : AI_sdml<0, "smua">;
4333 defm SMUS : AI_sdml<1, "smus">;
4335 //===----------------------------------------------------------------------===//
4336 // Division Instructions (ARMv7-A with virtualization extension)
4338 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4339 "sdiv", "\t$Rd, $Rn, $Rm",
4340 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4341 Requires<[IsARM, HasDivideInARM]>,
4344 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4345 "udiv", "\t$Rd, $Rn, $Rm",
4346 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4347 Requires<[IsARM, HasDivideInARM]>,
4350 //===----------------------------------------------------------------------===//
4351 // Misc. Arithmetic Instructions.
4354 def CLZ : AMiscA1I<0b00010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4355 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4356 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4359 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4360 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4361 [(set GPR:$Rd, (bitreverse GPR:$Rm))]>,
4362 Requires<[IsARM, HasV6T2]>,
4365 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4366 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4367 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4370 let AddedComplexity = 5 in
4371 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4372 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4373 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4374 Requires<[IsARM, HasV6]>,
4377 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4378 (REV16 (LDRH addrmode3:$addr))>;
4379 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4380 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4382 let AddedComplexity = 5 in
4383 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4384 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4385 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4386 Requires<[IsARM, HasV6]>,
4389 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4390 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4393 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4394 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4395 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4396 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4397 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4399 Requires<[IsARM, HasV6]>,
4400 Sched<[WriteALUsi, ReadALU]>;
4402 // Alternate cases for PKHBT where identities eliminate some nodes.
4403 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4404 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4405 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4406 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4408 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4409 // will match the pattern below.
4410 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4411 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4412 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4413 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4414 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4416 Requires<[IsARM, HasV6]>,
4417 Sched<[WriteALUsi, ReadALU]>;
4419 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4420 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4421 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4422 // pkhtb src1, src2, asr (17..31).
4423 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4424 (srl GPRnopc:$src2, imm16:$sh)),
4425 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4426 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4427 (sra GPRnopc:$src2, imm16_31:$sh)),
4428 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4429 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4430 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4431 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4433 //===----------------------------------------------------------------------===//
4437 // + CRC32{B,H,W} 0x04C11DB7
4438 // + CRC32C{B,H,W} 0x1EDC6F41
4441 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4442 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4443 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4444 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4445 Requires<[IsARM, HasV8, HasCRC]> {
4450 let Inst{31-28} = 0b1110;
4451 let Inst{27-23} = 0b00010;
4452 let Inst{22-21} = sz;
4454 let Inst{19-16} = Rn;
4455 let Inst{15-12} = Rd;
4456 let Inst{11-10} = 0b00;
4459 let Inst{7-4} = 0b0100;
4462 let Unpredictable{11-8} = 0b1101;
4465 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4466 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4467 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4468 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4469 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4470 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4472 //===----------------------------------------------------------------------===//
4473 // ARMv8.1a Privilege Access Never extension
4477 def SETPAN : AInoP<(outs), (ins imm0_1:$imm), MiscFrm, NoItinerary, "setpan",
4478 "\t$imm", []>, Requires<[IsARM, HasV8, HasV8_1a]> {
4481 let Inst{31-28} = 0b1111;
4482 let Inst{27-20} = 0b00010001;
4483 let Inst{19-16} = 0b0000;
4484 let Inst{15-10} = 0b000000;
4487 let Inst{7-4} = 0b0000;
4488 let Inst{3-0} = 0b0000;
4490 let Unpredictable{19-16} = 0b1111;
4491 let Unpredictable{15-10} = 0b111111;
4492 let Unpredictable{8} = 0b1;
4493 let Unpredictable{3-0} = 0b1111;
4496 //===----------------------------------------------------------------------===//
4497 // Comparison Instructions...
4500 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4501 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, ARMcmp>;
4503 // ARMcmpZ can re-use the above instruction definitions.
4504 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm:$imm),
4505 (CMPri GPR:$src, mod_imm:$imm)>;
4506 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4507 (CMPrr GPR:$src, GPR:$rhs)>;
4508 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4509 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4510 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4511 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4513 // CMN register-integer
4514 let isCompare = 1, Defs = [CPSR] in {
4515 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, IIC_iCMPi,
4516 "cmn", "\t$Rn, $imm",
4517 [(ARMcmn GPR:$Rn, mod_imm:$imm)]>,
4518 Sched<[WriteCMP, ReadALU]> {
4523 let Inst{19-16} = Rn;
4524 let Inst{15-12} = 0b0000;
4525 let Inst{11-0} = imm;
4527 let Unpredictable{15-12} = 0b1111;
4530 // CMN register-register/shift
4531 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4532 "cmn", "\t$Rn, $Rm",
4533 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4534 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4537 let isCommutable = 1;
4540 let Inst{19-16} = Rn;
4541 let Inst{15-12} = 0b0000;
4542 let Inst{11-4} = 0b00000000;
4545 let Unpredictable{15-12} = 0b1111;
4548 def CMNzrsi : AI1<0b1011, (outs),
4549 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4550 "cmn", "\t$Rn, $shift",
4551 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4552 GPR:$Rn, so_reg_imm:$shift)]>,
4553 Sched<[WriteCMPsi, ReadALU]> {
4558 let Inst{19-16} = Rn;
4559 let Inst{15-12} = 0b0000;
4560 let Inst{11-5} = shift{11-5};
4562 let Inst{3-0} = shift{3-0};
4564 let Unpredictable{15-12} = 0b1111;
4567 def CMNzrsr : AI1<0b1011, (outs),
4568 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4569 "cmn", "\t$Rn, $shift",
4570 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4571 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4572 Sched<[WriteCMPsr, ReadALU]> {
4577 let Inst{19-16} = Rn;
4578 let Inst{15-12} = 0b0000;
4579 let Inst{11-8} = shift{11-8};
4581 let Inst{6-5} = shift{6-5};
4583 let Inst{3-0} = shift{3-0};
4585 let Unpredictable{15-12} = 0b1111;
4590 def : ARMPat<(ARMcmp GPR:$src, mod_imm_neg:$imm),
4591 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4593 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm_neg:$imm),
4594 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4596 // Note that TST/TEQ don't set all the same flags that CMP does!
4597 defm TST : AI1_cmp_irs<0b1000, "tst",
4598 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4599 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1,
4600 "DecodeTSTInstruction">;
4601 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4602 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4603 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4605 // Pseudo i64 compares for some floating point compares.
4606 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4608 def BCCi64 : PseudoInst<(outs),
4609 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4611 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4614 def BCCZi64 : PseudoInst<(outs),
4615 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4616 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4618 } // usesCustomInserter
4621 // Conditional moves
4622 let hasSideEffects = 0 in {
4624 let isCommutable = 1, isSelect = 1 in
4625 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4626 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4628 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4630 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4632 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4633 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4636 (ARMcmov GPR:$false, so_reg_imm:$shift,
4638 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4639 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4640 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4642 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4644 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4647 let isMoveImm = 1 in
4649 : ARMPseudoInst<(outs GPR:$Rd),
4650 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4652 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4654 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4657 let isMoveImm = 1 in
4658 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4659 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4661 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm:$imm,
4663 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4665 // Two instruction predicate mov immediate.
4666 let isMoveImm = 1 in
4668 : ARMPseudoInst<(outs GPR:$Rd),
4669 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4671 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4673 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4675 let isMoveImm = 1 in
4676 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4677 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4679 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm_not:$imm,
4681 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4686 //===----------------------------------------------------------------------===//
4687 // Atomic operations intrinsics
4690 def MemBarrierOptOperand : AsmOperandClass {
4691 let Name = "MemBarrierOpt";
4692 let ParserMethod = "parseMemBarrierOptOperand";
4694 def memb_opt : Operand<i32> {
4695 let PrintMethod = "printMemBOption";
4696 let ParserMatchClass = MemBarrierOptOperand;
4697 let DecoderMethod = "DecodeMemBarrierOption";
4700 def InstSyncBarrierOptOperand : AsmOperandClass {
4701 let Name = "InstSyncBarrierOpt";
4702 let ParserMethod = "parseInstSyncBarrierOptOperand";
4704 def instsyncb_opt : Operand<i32> {
4705 let PrintMethod = "printInstSyncBOption";
4706 let ParserMatchClass = InstSyncBarrierOptOperand;
4707 let DecoderMethod = "DecodeInstSyncBarrierOption";
4710 // Memory barriers protect the atomic sequences
4711 let hasSideEffects = 1 in {
4712 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4713 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4714 Requires<[IsARM, HasDB]> {
4716 let Inst{31-4} = 0xf57ff05;
4717 let Inst{3-0} = opt;
4720 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4721 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4722 Requires<[IsARM, HasDB]> {
4724 let Inst{31-4} = 0xf57ff04;
4725 let Inst{3-0} = opt;
4728 // ISB has only full system option
4729 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4730 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4731 Requires<[IsARM, HasDB]> {
4733 let Inst{31-4} = 0xf57ff06;
4734 let Inst{3-0} = opt;
4738 let usesCustomInserter = 1, Defs = [CPSR] in {
4740 // Pseudo instruction that combines movs + predicated rsbmi
4741 // to implement integer ABS
4742 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4745 let usesCustomInserter = 1 in {
4746 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4747 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4749 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4752 let hasPostISelHook = 1, Constraints = "$newdst = $dst, $newsrc = $src" in {
4753 // %newsrc, %newdst = MEMCPY %dst, %src, N, ...N scratch regs...
4754 // Copies N registers worth of memory from address %src to address %dst
4755 // and returns the incremented addresses. N scratch register will
4756 // be attached for the copy to use.
4757 def MEMCPY : PseudoInst<
4758 (outs GPR:$newdst, GPR:$newsrc),
4759 (ins GPR:$dst, GPR:$src, i32imm:$nreg, variable_ops),
4761 [(set GPR:$newdst, GPR:$newsrc,
4762 (ARMmemcopy GPR:$dst, GPR:$src, imm:$nreg))]>;
4765 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4766 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4769 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4770 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4773 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4774 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4777 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4778 (int_arm_strex node:$val, node:$ptr), [{
4779 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4782 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4783 (int_arm_strex node:$val, node:$ptr), [{
4784 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4787 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4788 (int_arm_strex node:$val, node:$ptr), [{
4789 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4792 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4793 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4796 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4797 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4800 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4801 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4804 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4805 (int_arm_stlex node:$val, node:$ptr), [{
4806 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4809 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4810 (int_arm_stlex node:$val, node:$ptr), [{
4811 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4814 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4815 (int_arm_stlex node:$val, node:$ptr), [{
4816 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4819 let mayLoad = 1 in {
4820 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4821 NoItinerary, "ldrexb", "\t$Rt, $addr",
4822 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4823 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4824 NoItinerary, "ldrexh", "\t$Rt, $addr",
4825 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4826 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4827 NoItinerary, "ldrex", "\t$Rt, $addr",
4828 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4829 let hasExtraDefRegAllocReq = 1 in
4830 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4831 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4832 let DecoderMethod = "DecodeDoubleRegLoad";
4835 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4836 NoItinerary, "ldaexb", "\t$Rt, $addr",
4837 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4838 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4839 NoItinerary, "ldaexh", "\t$Rt, $addr",
4840 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4841 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4842 NoItinerary, "ldaex", "\t$Rt, $addr",
4843 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4844 let hasExtraDefRegAllocReq = 1 in
4845 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4846 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4847 let DecoderMethod = "DecodeDoubleRegLoad";
4851 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4852 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4853 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4854 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4855 addr_offset_none:$addr))]>;
4856 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4857 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4858 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4859 addr_offset_none:$addr))]>;
4860 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4861 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4862 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4863 addr_offset_none:$addr))]>;
4864 let hasExtraSrcRegAllocReq = 1 in
4865 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4866 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4867 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4868 let DecoderMethod = "DecodeDoubleRegStore";
4870 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4871 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4873 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4874 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4875 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4877 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4878 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4879 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4881 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4882 let hasExtraSrcRegAllocReq = 1 in
4883 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4884 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4885 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4886 let DecoderMethod = "DecodeDoubleRegStore";
4890 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4892 Requires<[IsARM, HasV6K]> {
4893 let Inst{31-0} = 0b11110101011111111111000000011111;
4896 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4897 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4898 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4899 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4901 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4902 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
4903 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4904 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
4906 class acquiring_load<PatFrag base>
4907 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4908 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4909 return isAcquireOrStronger(Ordering);
4912 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4913 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4914 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4916 class releasing_store<PatFrag base>
4917 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4918 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4919 return isReleaseOrStronger(Ordering);
4922 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4923 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4924 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4926 let AddedComplexity = 8 in {
4927 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4928 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4929 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4930 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4931 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4932 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4935 // SWP/SWPB are deprecated in V6/V7 and optional in v7VE.
4936 // FIXME Use InstAlias to generate LDREX/STREX pairs instead.
4937 let mayLoad = 1, mayStore = 1 in {
4938 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4939 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4940 Requires<[IsARM,PreV8]>;
4941 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4942 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4943 Requires<[IsARM,PreV8]>;
4946 //===----------------------------------------------------------------------===//
4947 // Coprocessor Instructions.
4950 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4951 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4952 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4953 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4954 imm:$CRm, imm:$opc2)]>,
4955 Requires<[IsARM,PreV8]> {
4963 let Inst{3-0} = CRm;
4965 let Inst{7-5} = opc2;
4966 let Inst{11-8} = cop;
4967 let Inst{15-12} = CRd;
4968 let Inst{19-16} = CRn;
4969 let Inst{23-20} = opc1;
4972 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4973 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4974 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4975 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4976 imm:$CRm, imm:$opc2)]>,
4977 Requires<[IsARM,PreV8]> {
4978 let Inst{31-28} = 0b1111;
4986 let Inst{3-0} = CRm;
4988 let Inst{7-5} = opc2;
4989 let Inst{11-8} = cop;
4990 let Inst{15-12} = CRd;
4991 let Inst{19-16} = CRn;
4992 let Inst{23-20} = opc1;
4995 class ACI<dag oops, dag iops, string opc, string asm,
4996 list<dag> pattern, IndexMode im = IndexModeNone>
4997 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4998 opc, asm, "", pattern> {
4999 let Inst{27-25} = 0b110;
5001 class ACInoP<dag oops, dag iops, string opc, string asm,
5002 list<dag> pattern, IndexMode im = IndexModeNone>
5003 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5004 opc, asm, "", pattern> {
5005 let Inst{31-28} = 0b1111;
5006 let Inst{27-25} = 0b110;
5008 multiclass LdStCop<bit load, bit Dbit, string asm, list<dag> pattern> {
5009 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5010 asm, "\t$cop, $CRd, $addr", pattern> {
5014 let Inst{24} = 1; // P = 1
5015 let Inst{23} = addr{8};
5016 let Inst{22} = Dbit;
5017 let Inst{21} = 0; // W = 0
5018 let Inst{20} = load;
5019 let Inst{19-16} = addr{12-9};
5020 let Inst{15-12} = CRd;
5021 let Inst{11-8} = cop;
5022 let Inst{7-0} = addr{7-0};
5023 let DecoderMethod = "DecodeCopMemInstruction";
5025 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5026 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5030 let Inst{24} = 1; // P = 1
5031 let Inst{23} = addr{8};
5032 let Inst{22} = Dbit;
5033 let Inst{21} = 1; // W = 1
5034 let Inst{20} = load;
5035 let Inst{19-16} = addr{12-9};
5036 let Inst{15-12} = CRd;
5037 let Inst{11-8} = cop;
5038 let Inst{7-0} = addr{7-0};
5039 let DecoderMethod = "DecodeCopMemInstruction";
5041 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5042 postidx_imm8s4:$offset),
5043 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5048 let Inst{24} = 0; // P = 0
5049 let Inst{23} = offset{8};
5050 let Inst{22} = Dbit;
5051 let Inst{21} = 1; // W = 1
5052 let Inst{20} = load;
5053 let Inst{19-16} = addr;
5054 let Inst{15-12} = CRd;
5055 let Inst{11-8} = cop;
5056 let Inst{7-0} = offset{7-0};
5057 let DecoderMethod = "DecodeCopMemInstruction";
5059 def _OPTION : ACI<(outs),
5060 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5061 coproc_option_imm:$option),
5062 asm, "\t$cop, $CRd, $addr, $option", []> {
5067 let Inst{24} = 0; // P = 0
5068 let Inst{23} = 1; // U = 1
5069 let Inst{22} = Dbit;
5070 let Inst{21} = 0; // W = 0
5071 let Inst{20} = load;
5072 let Inst{19-16} = addr;
5073 let Inst{15-12} = CRd;
5074 let Inst{11-8} = cop;
5075 let Inst{7-0} = option;
5076 let DecoderMethod = "DecodeCopMemInstruction";
5079 multiclass LdSt2Cop<bit load, bit Dbit, string asm, list<dag> pattern> {
5080 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5081 asm, "\t$cop, $CRd, $addr", pattern> {
5085 let Inst{24} = 1; // P = 1
5086 let Inst{23} = addr{8};
5087 let Inst{22} = Dbit;
5088 let Inst{21} = 0; // W = 0
5089 let Inst{20} = load;
5090 let Inst{19-16} = addr{12-9};
5091 let Inst{15-12} = CRd;
5092 let Inst{11-8} = cop;
5093 let Inst{7-0} = addr{7-0};
5094 let DecoderMethod = "DecodeCopMemInstruction";
5096 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5097 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5101 let Inst{24} = 1; // P = 1
5102 let Inst{23} = addr{8};
5103 let Inst{22} = Dbit;
5104 let Inst{21} = 1; // W = 1
5105 let Inst{20} = load;
5106 let Inst{19-16} = addr{12-9};
5107 let Inst{15-12} = CRd;
5108 let Inst{11-8} = cop;
5109 let Inst{7-0} = addr{7-0};
5110 let DecoderMethod = "DecodeCopMemInstruction";
5112 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5113 postidx_imm8s4:$offset),
5114 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5119 let Inst{24} = 0; // P = 0
5120 let Inst{23} = offset{8};
5121 let Inst{22} = Dbit;
5122 let Inst{21} = 1; // W = 1
5123 let Inst{20} = load;
5124 let Inst{19-16} = addr;
5125 let Inst{15-12} = CRd;
5126 let Inst{11-8} = cop;
5127 let Inst{7-0} = offset{7-0};
5128 let DecoderMethod = "DecodeCopMemInstruction";
5130 def _OPTION : ACInoP<(outs),
5131 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5132 coproc_option_imm:$option),
5133 asm, "\t$cop, $CRd, $addr, $option", []> {
5138 let Inst{24} = 0; // P = 0
5139 let Inst{23} = 1; // U = 1
5140 let Inst{22} = Dbit;
5141 let Inst{21} = 0; // W = 0
5142 let Inst{20} = load;
5143 let Inst{19-16} = addr;
5144 let Inst{15-12} = CRd;
5145 let Inst{11-8} = cop;
5146 let Inst{7-0} = option;
5147 let DecoderMethod = "DecodeCopMemInstruction";
5151 defm LDC : LdStCop <1, 0, "ldc", [(int_arm_ldc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5152 defm LDCL : LdStCop <1, 1, "ldcl", [(int_arm_ldcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5153 defm LDC2 : LdSt2Cop<1, 0, "ldc2", [(int_arm_ldc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5154 defm LDC2L : LdSt2Cop<1, 1, "ldc2l", [(int_arm_ldc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5156 defm STC : LdStCop <0, 0, "stc", [(int_arm_stc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5157 defm STCL : LdStCop <0, 1, "stcl", [(int_arm_stcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5158 defm STC2 : LdSt2Cop<0, 0, "stc2", [(int_arm_stc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5159 defm STC2L : LdSt2Cop<0, 1, "stc2l", [(int_arm_stc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5161 //===----------------------------------------------------------------------===//
5162 // Move between coprocessor and ARM core register.
5165 class MovRCopro<string opc, bit direction, dag oops, dag iops,
5167 : ABI<0b1110, oops, iops, NoItinerary, opc,
5168 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
5169 let Inst{20} = direction;
5179 let Inst{15-12} = Rt;
5180 let Inst{11-8} = cop;
5181 let Inst{23-21} = opc1;
5182 let Inst{7-5} = opc2;
5183 let Inst{3-0} = CRm;
5184 let Inst{19-16} = CRn;
5187 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
5189 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5190 c_imm:$CRm, imm0_7:$opc2),
5191 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5192 imm:$CRm, imm:$opc2)]>,
5193 ComplexDeprecationPredicate<"MCR">;
5194 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
5195 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5196 c_imm:$CRm, 0, pred:$p)>;
5197 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
5198 (outs GPRwithAPSR:$Rt),
5199 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5201 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
5202 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5203 c_imm:$CRm, 0, pred:$p)>;
5205 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
5206 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5208 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5210 : ABXI<0b1110, oops, iops, NoItinerary,
5211 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5212 let Inst{31-24} = 0b11111110;
5213 let Inst{20} = direction;
5223 let Inst{15-12} = Rt;
5224 let Inst{11-8} = cop;
5225 let Inst{23-21} = opc1;
5226 let Inst{7-5} = opc2;
5227 let Inst{3-0} = CRm;
5228 let Inst{19-16} = CRn;
5231 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5233 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5234 c_imm:$CRm, imm0_7:$opc2),
5235 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5236 imm:$CRm, imm:$opc2)]>,
5237 Requires<[IsARM,PreV8]>;
5238 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
5239 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5241 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5242 (outs GPRwithAPSR:$Rt),
5243 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5245 Requires<[IsARM,PreV8]>;
5246 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
5247 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5250 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5251 imm:$CRm, imm:$opc2),
5252 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5254 class MovRRCopro<string opc, bit direction, dag oops, dag iops, list<dag>
5256 : ABI<0b1100, oops, iops, NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
5259 let Inst{23-21} = 0b010;
5260 let Inst{20} = direction;
5268 let Inst{15-12} = Rt;
5269 let Inst{19-16} = Rt2;
5270 let Inst{11-8} = cop;
5271 let Inst{7-4} = opc1;
5272 let Inst{3-0} = CRm;
5275 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5276 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5277 GPRnopc:$Rt2, c_imm:$CRm),
5278 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5279 GPRnopc:$Rt2, imm:$CRm)]>;
5280 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */,
5281 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5282 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5284 class MovRRCopro2<string opc, bit direction, dag oops, dag iops,
5285 list<dag> pattern = []>
5286 : ABXI<0b1100, oops, iops, NoItinerary,
5287 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5288 Requires<[IsARM,PreV8]> {
5289 let Inst{31-28} = 0b1111;
5290 let Inst{23-21} = 0b010;
5291 let Inst{20} = direction;
5299 let Inst{15-12} = Rt;
5300 let Inst{19-16} = Rt2;
5301 let Inst{11-8} = cop;
5302 let Inst{7-4} = opc1;
5303 let Inst{3-0} = CRm;
5305 let DecoderMethod = "DecoderForMRRC2AndMCRR2";
5308 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5309 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5310 GPRnopc:$Rt2, c_imm:$CRm),
5311 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5312 GPRnopc:$Rt2, imm:$CRm)]>;
5314 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */,
5315 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5316 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5318 //===----------------------------------------------------------------------===//
5319 // Move between special register and ARM core register
5322 // Move to ARM core register from Special Register
5323 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5324 "mrs", "\t$Rd, apsr", []> {
5326 let Inst{23-16} = 0b00001111;
5327 let Unpredictable{19-17} = 0b111;
5329 let Inst{15-12} = Rd;
5331 let Inst{11-0} = 0b000000000000;
5332 let Unpredictable{11-0} = 0b110100001111;
5335 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p), 0>,
5338 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5339 // section B9.3.9, with the R bit set to 1.
5340 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5341 "mrs", "\t$Rd, spsr", []> {
5343 let Inst{23-16} = 0b01001111;
5344 let Unpredictable{19-16} = 0b1111;
5346 let Inst{15-12} = Rd;
5348 let Inst{11-0} = 0b000000000000;
5349 let Unpredictable{11-0} = 0b110100001111;
5352 // However, the MRS (banked register) system instruction (ARMv7VE) *does* have a
5353 // separate encoding (distinguished by bit 5.
5354 def MRSbanked : ABI<0b0001, (outs GPRnopc:$Rd), (ins banked_reg:$banked),
5355 NoItinerary, "mrs", "\t$Rd, $banked", []>,
5356 Requires<[IsARM, HasVirtualization]> {
5361 let Inst{22} = banked{5}; // R bit
5362 let Inst{21-20} = 0b00;
5363 let Inst{19-16} = banked{3-0};
5364 let Inst{15-12} = Rd;
5365 let Inst{11-9} = 0b001;
5366 let Inst{8} = banked{4};
5367 let Inst{7-0} = 0b00000000;
5370 // Move from ARM core register to Special Register
5372 // No need to have both system and application versions of MSR (immediate) or
5373 // MSR (register), the encodings are the same and the assembly parser has no way
5374 // to distinguish between them. The mask operand contains the special register
5375 // (R Bit) in bit 4 and bits 3-0 contains the mask with the fields to be
5376 // accessed in the special register.
5377 let Defs = [CPSR] in
5378 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5379 "msr", "\t$mask, $Rn", []> {
5384 let Inst{22} = mask{4}; // R bit
5385 let Inst{21-20} = 0b10;
5386 let Inst{19-16} = mask{3-0};
5387 let Inst{15-12} = 0b1111;
5388 let Inst{11-4} = 0b00000000;
5392 let Defs = [CPSR] in
5393 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, mod_imm:$imm), NoItinerary,
5394 "msr", "\t$mask, $imm", []> {
5399 let Inst{22} = mask{4}; // R bit
5400 let Inst{21-20} = 0b10;
5401 let Inst{19-16} = mask{3-0};
5402 let Inst{15-12} = 0b1111;
5403 let Inst{11-0} = imm;
5406 // However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
5407 // separate encoding (distinguished by bit 5.
5408 def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
5409 NoItinerary, "msr", "\t$banked, $Rn", []>,
5410 Requires<[IsARM, HasVirtualization]> {
5415 let Inst{22} = banked{5}; // R bit
5416 let Inst{21-20} = 0b10;
5417 let Inst{19-16} = banked{3-0};
5418 let Inst{15-12} = 0b1111;
5419 let Inst{11-9} = 0b001;
5420 let Inst{8} = banked{4};
5421 let Inst{7-4} = 0b0000;
5425 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5426 // are needed to probe the stack when allocating more than
5427 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5428 // ensure that the guard pages used by the OS virtual memory manager are
5429 // allocated in correct sequence.
5430 // The main point of having separate instruction are extra unmodelled effects
5431 // (compared to ordinary calls) like stack pointer change.
5433 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5434 [SDNPHasChain, SDNPSideEffect]>;
5435 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5436 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5438 def win__dbzchk : SDNode<"ARMISD::WIN__DBZCHK", SDT_WIN__DBZCHK,
5439 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
5440 let usesCustomInserter = 1, Defs = [CPSR] in
5441 def WIN__DBZCHK : PseudoInst<(outs), (ins tGPR:$divisor), NoItinerary,
5442 [(win__dbzchk tGPR:$divisor)]>;
5444 //===----------------------------------------------------------------------===//
5448 // __aeabi_read_tp preserves the registers r1-r3.
5449 // This is a pseudo inst so that we can get the encoding right,
5450 // complete with fixup for the aeabi_read_tp function.
5451 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5452 // is defined in "ARMInstrThumb.td".
5454 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5455 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5456 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5459 //===----------------------------------------------------------------------===//
5460 // SJLJ Exception handling intrinsics
5461 // eh_sjlj_setjmp() is an instruction sequence to store the return
5462 // address and save #0 in R0 for the non-longjmp case.
5463 // Since by its nature we may be coming from some other function to get
5464 // here, and we're using the stack frame for the containing function to
5465 // save/restore registers, we can't keep anything live in regs across
5466 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5467 // when we get here from a longjmp(). We force everything out of registers
5468 // except for our own input by listing the relevant registers in Defs. By
5469 // doing so, we also cause the prologue/epilogue code to actively preserve
5470 // all of the callee-saved resgisters, which is exactly what we want.
5471 // A constant value is passed in $val, and we use the location as a scratch.
5473 // These are pseudo-instructions and are lowered to individual MC-insts, so
5474 // no encoding information is necessary.
5476 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5477 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5478 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5479 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5481 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5482 Requires<[IsARM, HasVFP2]>;
5486 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5487 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5488 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5490 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5491 Requires<[IsARM, NoVFP]>;
5494 // FIXME: Non-IOS version(s)
5495 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5496 Defs = [ R7, LR, SP ] in {
5497 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5499 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5503 let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1 in
5504 def Int_eh_sjlj_setup_dispatch : PseudoInst<(outs), (ins), NoItinerary,
5505 [(ARMeh_sjlj_setup_dispatch)]>;
5507 // eh.sjlj.dispatchsetup pseudo-instruction.
5508 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5509 // the pseudo is expanded (which happens before any passes that need the
5510 // instruction size).
5511 let isBarrier = 1 in
5512 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5515 //===----------------------------------------------------------------------===//
5516 // Non-Instruction Patterns
5519 // ARMv4 indirect branch using (MOVr PC, dst)
5520 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5521 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5522 4, IIC_Br, [(brind GPR:$dst)],
5523 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5524 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5526 // Large immediate handling.
5528 // 32-bit immediate using two piece mod_imms or movw + movt.
5529 // This is a single pseudo instruction, the benefit is that it can be remat'd
5530 // as a single unit instead of having to handle reg inputs.
5531 // FIXME: Remove this when we can do generalized remat.
5532 let isReMaterializable = 1, isMoveImm = 1 in
5533 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5534 [(set GPR:$dst, (arm_i32imm:$src))]>,
5537 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5538 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5539 Requires<[IsARM, DontUseMovt]>;
5541 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5542 // It also makes it possible to rematerialize the instructions.
5543 // FIXME: Remove this when we can do generalized remat and when machine licm
5544 // can properly the instructions.
5545 let isReMaterializable = 1 in {
5546 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5548 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5549 Requires<[IsARM, UseMovt]>;
5551 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5554 (ARMWrapperPIC tglobaladdr:$addr))]>,
5555 Requires<[IsARM, DontUseMovt]>;
5557 let AddedComplexity = 10 in
5558 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5561 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5562 Requires<[IsARM, DontUseMovt]>;
5564 let AddedComplexity = 10 in
5565 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5567 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5568 Requires<[IsARM, UseMovt]>;
5569 } // isReMaterializable
5571 // The many different faces of TLS access.
5572 def : ARMPat<(ARMWrapper tglobaltlsaddr :$dst),
5573 (MOVi32imm tglobaltlsaddr :$dst)>,
5574 Requires<[IsARM, UseMovt]>;
5576 def : Pat<(ARMWrapper tglobaltlsaddr:$src),
5577 (LDRLIT_ga_abs tglobaltlsaddr:$src)>,
5578 Requires<[IsARM, DontUseMovt]>;
5580 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5581 (MOV_ga_pcrel tglobaltlsaddr:$addr)>, Requires<[IsARM, UseMovt]>;
5583 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5584 (LDRLIT_ga_pcrel tglobaltlsaddr:$addr)>,
5585 Requires<[IsARM, DontUseMovt]>;
5586 let AddedComplexity = 10 in
5587 def : Pat<(load (ARMWrapperPIC tglobaltlsaddr:$addr)),
5588 (MOV_ga_pcrel_ldr tglobaltlsaddr:$addr)>,
5589 Requires<[IsARM, UseMovt]>;
5592 // ConstantPool, GlobalAddress, and JumpTable
5593 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5594 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5595 Requires<[IsARM, UseMovt]>;
5596 def : ARMPat<(ARMWrapper texternalsym :$dst), (MOVi32imm texternalsym :$dst)>,
5597 Requires<[IsARM, UseMovt]>;
5598 def : ARMPat<(ARMWrapperJT tjumptable:$dst),
5599 (LEApcrelJT tjumptable:$dst)>;
5601 // TODO: add,sub,and, 3-instr forms?
5603 // Tail calls. These patterns also apply to Thumb mode.
5604 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5605 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5606 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5609 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5610 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5611 (BMOVPCB_CALL texternalsym:$func)>;
5613 // zextload i1 -> zextload i8
5614 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5615 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5617 // extload -> zextload
5618 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5619 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5620 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5621 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5623 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5625 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5626 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5629 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5630 (SMULBB GPR:$a, GPR:$b)>,
5631 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5632 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5633 (SMULBT GPR:$a, GPR:$b)>,
5634 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5635 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5636 (SMULTB GPR:$a, GPR:$b)>,
5637 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5638 def : ARMV5MOPat<(add GPR:$acc,
5639 (mul sext_16_node:$a, sext_16_node:$b)),
5640 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>,
5641 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5642 def : ARMV5MOPat<(add GPR:$acc,
5643 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5644 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>,
5645 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5646 def : ARMV5MOPat<(add GPR:$acc,
5647 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5648 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>,
5649 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5651 // Pre-v7 uses MCR for synchronization barriers.
5652 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5653 Requires<[IsARM, HasV6]>;
5655 // SXT/UXT with no rotate
5656 let AddedComplexity = 16 in {
5657 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5658 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5659 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5660 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5661 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5662 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5663 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5666 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5667 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5669 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5670 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5671 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5672 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5674 // Atomic load/store patterns
5675 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5676 (LDRBrs ldst_so_reg:$src)>;
5677 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5678 (LDRBi12 addrmode_imm12:$src)>;
5679 def : ARMPat<(atomic_load_16 addrmode3:$src),
5680 (LDRH addrmode3:$src)>;
5681 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5682 (LDRrs ldst_so_reg:$src)>;
5683 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5684 (LDRi12 addrmode_imm12:$src)>;
5685 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5686 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5687 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5688 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5689 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5690 (STRH GPR:$val, addrmode3:$ptr)>;
5691 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5692 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5693 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5694 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5697 //===----------------------------------------------------------------------===//
5701 include "ARMInstrThumb.td"
5703 //===----------------------------------------------------------------------===//
5707 include "ARMInstrThumb2.td"
5709 //===----------------------------------------------------------------------===//
5710 // Floating Point Support
5713 include "ARMInstrVFP.td"
5715 //===----------------------------------------------------------------------===//
5716 // Advanced SIMD (NEON) Support
5719 include "ARMInstrNEON.td"
5721 //===----------------------------------------------------------------------===//
5722 // Assembler aliases
5726 def : InstAlias<"dmb", (DMB 0xf), 0>, Requires<[IsARM, HasDB]>;
5727 def : InstAlias<"dsb", (DSB 0xf), 0>, Requires<[IsARM, HasDB]>;
5728 def : InstAlias<"isb", (ISB 0xf), 0>, Requires<[IsARM, HasDB]>;
5730 // System instructions
5731 def : MnemonicAlias<"swi", "svc">;
5733 // Load / Store Multiple
5734 def : MnemonicAlias<"ldmfd", "ldm">;
5735 def : MnemonicAlias<"ldmia", "ldm">;
5736 def : MnemonicAlias<"ldmea", "ldmdb">;
5737 def : MnemonicAlias<"stmfd", "stmdb">;
5738 def : MnemonicAlias<"stmia", "stm">;
5739 def : MnemonicAlias<"stmea", "stm">;
5741 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
5742 // input operands swapped when the shift amount is zero (i.e., unspecified).
5743 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5744 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p), 0>,
5745 Requires<[IsARM, HasV6]>;
5746 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5747 (PKHBT GPRnopc:$Rd, GPRnopc:$Rm, GPRnopc:$Rn, 0, pred:$p), 0>,
5748 Requires<[IsARM, HasV6]>;
5750 // PUSH/POP aliases for STM/LDM
5751 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5752 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5754 // SSAT/USAT optional shift operand.
5755 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5756 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5757 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5758 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5761 // Extend instruction optional rotate operand.
5762 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5763 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5764 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5765 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5766 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5767 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5768 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5769 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5770 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5771 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5772 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5773 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5775 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5776 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5777 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5778 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5779 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5780 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5781 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5782 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5783 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5784 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5785 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5786 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5790 def : MnemonicAlias<"rfefa", "rfeda">;
5791 def : MnemonicAlias<"rfeea", "rfedb">;
5792 def : MnemonicAlias<"rfefd", "rfeia">;
5793 def : MnemonicAlias<"rfeed", "rfeib">;
5794 def : MnemonicAlias<"rfe", "rfeia">;
5797 def : MnemonicAlias<"srsfa", "srsib">;
5798 def : MnemonicAlias<"srsea", "srsia">;
5799 def : MnemonicAlias<"srsfd", "srsdb">;
5800 def : MnemonicAlias<"srsed", "srsda">;
5801 def : MnemonicAlias<"srs", "srsia">;
5804 def : MnemonicAlias<"qsubaddx", "qsax">;
5806 def : MnemonicAlias<"saddsubx", "sasx">;
5807 // SHASX == SHADDSUBX
5808 def : MnemonicAlias<"shaddsubx", "shasx">;
5809 // SHSAX == SHSUBADDX
5810 def : MnemonicAlias<"shsubaddx", "shsax">;
5812 def : MnemonicAlias<"ssubaddx", "ssax">;
5814 def : MnemonicAlias<"uaddsubx", "uasx">;
5815 // UHASX == UHADDSUBX
5816 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5817 // UHSAX == UHSUBADDX
5818 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5819 // UQASX == UQADDSUBX
5820 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5821 // UQSAX == UQSUBADDX
5822 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5824 def : MnemonicAlias<"usubaddx", "usax">;
5826 // "mov Rd, mod_imm_not" can be handled via "mvn" in assembly, just like
5828 def : ARMInstSubst<"mov${s}${p} $Rd, $imm",
5829 (MVNi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5830 def : ARMInstSubst<"mvn${s}${p} $Rd, $imm",
5831 (MOVi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5832 // Same for AND <--> BIC
5833 def : ARMInstSubst<"bic${s}${p} $Rd, $Rn, $imm",
5834 (ANDri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5835 pred:$p, cc_out:$s)>;
5836 def : ARMInstSubst<"bic${s}${p} $Rdn, $imm",
5837 (ANDri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5838 pred:$p, cc_out:$s)>;
5839 def : ARMInstSubst<"and${s}${p} $Rd, $Rn, $imm",
5840 (BICri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5841 pred:$p, cc_out:$s)>;
5842 def : ARMInstSubst<"and${s}${p} $Rdn, $imm",
5843 (BICri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5844 pred:$p, cc_out:$s)>;
5846 // Likewise, "add Rd, mod_imm_neg" -> sub
5847 def : ARMInstSubst<"add${s}${p} $Rd, $Rn, $imm",
5848 (SUBri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5849 def : ARMInstSubst<"add${s}${p} $Rd, $imm",
5850 (SUBri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5851 // Likewise, "sub Rd, mod_imm_neg" -> add
5852 def : ARMInstSubst<"sub${s}${p} $Rd, $Rn, $imm",
5853 (ADDri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5854 def : ARMInstSubst<"sub${s}${p} $Rd, $imm",
5855 (ADDri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5858 def : ARMInstSubst<"adc${s}${p} $Rd, $Rn, $imm",
5859 (SBCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5860 def : ARMInstSubst<"adc${s}${p} $Rdn, $imm",
5861 (SBCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5862 def : ARMInstSubst<"sbc${s}${p} $Rd, $Rn, $imm",
5863 (ADCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5864 def : ARMInstSubst<"sbc${s}${p} $Rdn, $imm",
5865 (ADCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5867 // Same for CMP <--> CMN via mod_imm_neg
5868 def : ARMInstSubst<"cmp${p} $Rd, $imm",
5869 (CMNri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5870 def : ARMInstSubst<"cmn${p} $Rd, $imm",
5871 (CMPri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5873 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5874 // LSR, ROR, and RRX instructions.
5875 // FIXME: We need C++ parser hooks to map the alias to the MOV
5876 // encoding. It seems we should be able to do that sort of thing
5877 // in tblgen, but it could get ugly.
5878 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5879 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5880 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5882 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5883 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5885 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5886 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5888 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5889 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5892 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5893 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5894 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5895 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5896 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5898 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5899 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5901 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5902 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5904 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5905 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5909 // "neg" is and alias for "rsb rd, rn, #0"
5910 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5911 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5913 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5914 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5915 Requires<[IsARM, NoV6]>;
5917 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
5918 // the instruction definitions need difference constraints pre-v6.
5919 // Use these aliases for the assembly parsing on pre-v6.
5920 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
5921 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s), 0>,
5922 Requires<[IsARM, NoV6]>;
5923 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
5924 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
5925 pred:$p, cc_out:$s), 0>,
5926 Requires<[IsARM, NoV6]>;
5927 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5928 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5929 Requires<[IsARM, NoV6]>;
5930 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5931 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5932 Requires<[IsARM, NoV6]>;
5933 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5934 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5935 Requires<[IsARM, NoV6]>;
5936 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5937 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5938 Requires<[IsARM, NoV6]>;
5940 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5942 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5943 ComplexDeprecationPredicate<"IT">;
5945 let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
5946 def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
5948 [(set GPR:$Rd, (int_arm_space imm:$size, GPR:$Rn))]>;
5950 //===----------------------------------
5951 // Atomic cmpxchg for -O0
5952 //===----------------------------------
5954 // The fast register allocator used during -O0 inserts spills to cover any VRegs
5955 // live across basic block boundaries. When this happens between an LDXR and an
5956 // STXR it can clear the exclusive monitor, causing all cmpxchg attempts to
5959 // Unfortunately, this means we have to have an alternative (expanded
5960 // post-regalloc) path for -O0 compilations. Fortunately this path can be
5961 // significantly more naive than the standard expansion: we conservatively
5962 // assume seq_cst, strong cmpxchg and omit clrex on failure.
5964 let Constraints = "@earlyclobber $Rd,@earlyclobber $status",
5965 mayLoad = 1, mayStore = 1 in {
5966 def CMP_SWAP_8 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5967 (ins GPR:$addr, GPR:$desired, GPR:$new),
5968 NoItinerary, []>, Sched<[]>;
5970 def CMP_SWAP_16 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5971 (ins GPR:$addr, GPR:$desired, GPR:$new),
5972 NoItinerary, []>, Sched<[]>;
5974 def CMP_SWAP_32 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5975 (ins GPR:$addr, GPR:$desired, GPR:$new),
5976 NoItinerary, []>, Sched<[]>;
5978 def CMP_SWAP_64 : PseudoInst<(outs GPRPair:$Rd, GPR:$status),
5979 (ins GPR:$addr, GPRPair:$desired, GPRPair:$new),
5980 NoItinerary, []>, Sched<[]>;
5983 def CompilerBarrier : PseudoInst<(outs), (ins i32imm:$ordering), NoItinerary,
5984 [(atomic_fence imm:$ordering, 0)]> {
5985 let hasSideEffects = 1;
5987 let AsmString = "@ COMPILER BARRIER";