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 def UseMovt : Predicate<"Subtarget->useMovt(*MF)">;
321 def DontUseMovt : Predicate<"!Subtarget->useMovt(*MF)">;
322 def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
323 def UseMulOps : Predicate<"Subtarget->useMulOps()">;
325 // Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available.
326 // But only select them if more precision in FP computation is allowed.
327 // Do not use them for Darwin platforms.
328 def UseFusedMAC : Predicate<"(TM.Options.AllowFPOpFusion =="
329 " FPOpFusion::Fast && "
330 " Subtarget->hasVFP4()) && "
331 "!Subtarget->isTargetDarwin()">;
332 def DontUseFusedMAC : Predicate<"!(TM.Options.AllowFPOpFusion =="
333 " FPOpFusion::Fast &&"
334 " Subtarget->hasVFP4()) || "
335 "Subtarget->isTargetDarwin()">;
337 def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">;
338 def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">;
340 def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">;
341 def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">;
343 def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||"
344 "!Subtarget->useNEONForSinglePrecisionFP()">;
345 def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&"
346 "Subtarget->useNEONForSinglePrecisionFP()">;
348 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">;
349 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">;
351 def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">;
353 //===----------------------------------------------------------------------===//
354 // ARM Flag Definitions.
356 class RegConstraint<string C> {
357 string Constraints = C;
360 //===----------------------------------------------------------------------===//
361 // ARM specific transformation functions and pattern fragments.
364 // imm_neg_XFORM - Return the negation of an i32 immediate value.
365 def imm_neg_XFORM : SDNodeXForm<imm, [{
366 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), SDLoc(N), MVT::i32);
369 // imm_not_XFORM - Return the complement of a i32 immediate value.
370 def imm_not_XFORM : SDNodeXForm<imm, [{
371 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), SDLoc(N), MVT::i32);
374 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
375 def imm16_31 : ImmLeaf<i32, [{
376 return (int32_t)Imm >= 16 && (int32_t)Imm < 32;
379 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
380 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
381 if (CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17)
384 if (N->getOpcode() != ISD::SRA)
386 if (N->getOperand(0).getOpcode() != ISD::SHL)
389 auto *ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(1));
390 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
393 ShiftVal = dyn_cast<ConstantSDNode>(N->getOperand(0)->getOperand(1));
394 if (!ShiftVal || ShiftVal->getZExtValue() != 16)
400 /// Split a 32-bit immediate into two 16 bit parts.
401 def hi16 : SDNodeXForm<imm, [{
402 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, SDLoc(N),
406 def lo16AllZero : PatLeaf<(i32 imm), [{
407 // Returns true if all low 16-bits are 0.
408 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
411 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
412 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
414 // An 'and' node with a single use.
415 def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
416 return N->hasOneUse();
419 // An 'xor' node with a single use.
420 def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
421 return N->hasOneUse();
424 // An 'fmul' node with a single use.
425 def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
426 return N->hasOneUse();
429 // An 'fadd' node which checks for single non-hazardous use.
430 def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
431 return hasNoVMLxHazardUse(N);
434 // An 'fsub' node which checks for single non-hazardous use.
435 def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
436 return hasNoVMLxHazardUse(N);
439 //===----------------------------------------------------------------------===//
440 // Operand Definitions.
443 // Immediate operands with a shared generic asm render method.
444 class ImmAsmOperand<int Low, int High> : AsmOperandClass {
445 let RenderMethod = "addImmOperands";
446 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
447 let DiagnosticType = "ImmRange" # Low # "_" # High;
450 class ImmAsmOperandMinusOne<int Low, int High> : AsmOperandClass {
451 let PredicateMethod = "isImmediate<" # Low # "," # High # ">";
452 let DiagnosticType = "ImmRange" # Low # "_" # High;
455 // Operands that are part of a memory addressing mode.
456 class MemOperand : Operand<i32> { let OperandType = "OPERAND_MEMORY"; }
459 // FIXME: rename brtarget to t2_brtarget
460 def brtarget : Operand<OtherVT> {
461 let EncoderMethod = "getBranchTargetOpValue";
462 let OperandType = "OPERAND_PCREL";
463 let DecoderMethod = "DecodeT2BROperand";
466 // Branches targeting ARM-mode must be divisible by 4 if they're a raw
468 def ARMBranchTarget : AsmOperandClass {
469 let Name = "ARMBranchTarget";
472 // Branches targeting Thumb-mode must be divisible by 2 if they're a raw
474 def ThumbBranchTarget : AsmOperandClass {
475 let Name = "ThumbBranchTarget";
478 def arm_br_target : Operand<OtherVT> {
479 let ParserMatchClass = ARMBranchTarget;
480 let EncoderMethod = "getARMBranchTargetOpValue";
481 let OperandType = "OPERAND_PCREL";
484 // Call target for ARM. Handles conditional/unconditional
485 // FIXME: rename bl_target to t2_bltarget?
486 def arm_bl_target : Operand<i32> {
487 let ParserMatchClass = ARMBranchTarget;
488 let EncoderMethod = "getARMBLTargetOpValue";
489 let OperandType = "OPERAND_PCREL";
492 // Target for BLX *from* ARM mode.
493 def arm_blx_target : Operand<i32> {
494 let ParserMatchClass = ThumbBranchTarget;
495 let EncoderMethod = "getARMBLXTargetOpValue";
496 let OperandType = "OPERAND_PCREL";
499 // A list of registers separated by comma. Used by load/store multiple.
500 def RegListAsmOperand : AsmOperandClass { let Name = "RegList"; }
501 def reglist : Operand<i32> {
502 let EncoderMethod = "getRegisterListOpValue";
503 let ParserMatchClass = RegListAsmOperand;
504 let PrintMethod = "printRegisterList";
505 let DecoderMethod = "DecodeRegListOperand";
508 def GPRPairOp : RegisterOperand<GPRPair, "printGPRPairOperand">;
510 def DPRRegListAsmOperand : AsmOperandClass { let Name = "DPRRegList"; }
511 def dpr_reglist : Operand<i32> {
512 let EncoderMethod = "getRegisterListOpValue";
513 let ParserMatchClass = DPRRegListAsmOperand;
514 let PrintMethod = "printRegisterList";
515 let DecoderMethod = "DecodeDPRRegListOperand";
518 def SPRRegListAsmOperand : AsmOperandClass { let Name = "SPRRegList"; }
519 def spr_reglist : Operand<i32> {
520 let EncoderMethod = "getRegisterListOpValue";
521 let ParserMatchClass = SPRRegListAsmOperand;
522 let PrintMethod = "printRegisterList";
523 let DecoderMethod = "DecodeSPRRegListOperand";
526 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
527 def cpinst_operand : Operand<i32> {
528 let PrintMethod = "printCPInstOperand";
532 def pclabel : Operand<i32> {
533 let PrintMethod = "printPCLabel";
536 // ADR instruction labels.
537 def AdrLabelAsmOperand : AsmOperandClass { let Name = "AdrLabel"; }
538 def adrlabel : Operand<i32> {
539 let EncoderMethod = "getAdrLabelOpValue";
540 let ParserMatchClass = AdrLabelAsmOperand;
541 let PrintMethod = "printAdrLabelOperand<0>";
544 def neon_vcvt_imm32 : Operand<i32> {
545 let EncoderMethod = "getNEONVcvtImm32OpValue";
546 let DecoderMethod = "DecodeVCVTImmOperand";
549 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
550 def rot_imm_XFORM: SDNodeXForm<imm, [{
551 switch (N->getZExtValue()){
552 default: llvm_unreachable(nullptr);
553 case 0: return CurDAG->getTargetConstant(0, SDLoc(N), MVT::i32);
554 case 8: return CurDAG->getTargetConstant(1, SDLoc(N), MVT::i32);
555 case 16: return CurDAG->getTargetConstant(2, SDLoc(N), MVT::i32);
556 case 24: return CurDAG->getTargetConstant(3, SDLoc(N), MVT::i32);
559 def RotImmAsmOperand : AsmOperandClass {
561 let ParserMethod = "parseRotImm";
563 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
564 int32_t v = N->getZExtValue();
565 return v == 8 || v == 16 || v == 24; }],
567 let PrintMethod = "printRotImmOperand";
568 let ParserMatchClass = RotImmAsmOperand;
571 // shift_imm: An integer that encodes a shift amount and the type of shift
572 // (asr or lsl). The 6-bit immediate encodes as:
575 // {4-0} imm5 shift amount.
576 // asr #32 encoded as imm5 == 0.
577 def ShifterImmAsmOperand : AsmOperandClass {
578 let Name = "ShifterImm";
579 let ParserMethod = "parseShifterImm";
581 def shift_imm : Operand<i32> {
582 let PrintMethod = "printShiftImmOperand";
583 let ParserMatchClass = ShifterImmAsmOperand;
586 // shifter_operand operands: so_reg_reg, so_reg_imm, and mod_imm.
587 def ShiftedRegAsmOperand : AsmOperandClass { let Name = "RegShiftedReg"; }
588 def so_reg_reg : Operand<i32>, // reg reg imm
589 ComplexPattern<i32, 3, "SelectRegShifterOperand",
590 [shl, srl, sra, rotr]> {
591 let EncoderMethod = "getSORegRegOpValue";
592 let PrintMethod = "printSORegRegOperand";
593 let DecoderMethod = "DecodeSORegRegOperand";
594 let ParserMatchClass = ShiftedRegAsmOperand;
595 let MIOperandInfo = (ops GPRnopc, GPRnopc, i32imm);
598 def ShiftedImmAsmOperand : AsmOperandClass { let Name = "RegShiftedImm"; }
599 def so_reg_imm : Operand<i32>, // reg imm
600 ComplexPattern<i32, 2, "SelectImmShifterOperand",
601 [shl, srl, sra, rotr]> {
602 let EncoderMethod = "getSORegImmOpValue";
603 let PrintMethod = "printSORegImmOperand";
604 let DecoderMethod = "DecodeSORegImmOperand";
605 let ParserMatchClass = ShiftedImmAsmOperand;
606 let MIOperandInfo = (ops GPR, i32imm);
609 // FIXME: Does this need to be distinct from so_reg?
610 def shift_so_reg_reg : Operand<i32>, // reg reg imm
611 ComplexPattern<i32, 3, "SelectShiftRegShifterOperand",
612 [shl,srl,sra,rotr]> {
613 let EncoderMethod = "getSORegRegOpValue";
614 let PrintMethod = "printSORegRegOperand";
615 let DecoderMethod = "DecodeSORegRegOperand";
616 let ParserMatchClass = ShiftedRegAsmOperand;
617 let MIOperandInfo = (ops GPR, GPR, i32imm);
620 // FIXME: Does this need to be distinct from so_reg?
621 def shift_so_reg_imm : Operand<i32>, // reg reg imm
622 ComplexPattern<i32, 2, "SelectShiftImmShifterOperand",
623 [shl,srl,sra,rotr]> {
624 let EncoderMethod = "getSORegImmOpValue";
625 let PrintMethod = "printSORegImmOperand";
626 let DecoderMethod = "DecodeSORegImmOperand";
627 let ParserMatchClass = ShiftedImmAsmOperand;
628 let MIOperandInfo = (ops GPR, i32imm);
631 // mod_imm: match a 32-bit immediate operand, which can be encoded into
632 // a 12-bit immediate; an 8-bit integer and a 4-bit rotator (See ARMARM
633 // - "Modified Immediate Constants"). Within the MC layer we keep this
634 // immediate in its encoded form.
635 def ModImmAsmOperand: AsmOperandClass {
637 let ParserMethod = "parseModImm";
639 def mod_imm : Operand<i32>, ImmLeaf<i32, [{
640 return ARM_AM::getSOImmVal(Imm) != -1;
642 let EncoderMethod = "getModImmOpValue";
643 let PrintMethod = "printModImmOperand";
644 let ParserMatchClass = ModImmAsmOperand;
647 // Note: the patterns mod_imm_not and mod_imm_neg do not require an encoder
648 // method and such, as they are only used on aliases (Pat<> and InstAlias<>).
649 // The actual parsing, encoding, decoding are handled by the destination
650 // instructions, which use mod_imm.
652 def ModImmNotAsmOperand : AsmOperandClass { let Name = "ModImmNot"; }
653 def mod_imm_not : Operand<i32>, PatLeaf<(imm), [{
654 return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
656 let ParserMatchClass = ModImmNotAsmOperand;
659 def ModImmNegAsmOperand : AsmOperandClass { let Name = "ModImmNeg"; }
660 def mod_imm_neg : Operand<i32>, PatLeaf<(imm), [{
661 unsigned Value = -(unsigned)N->getZExtValue();
662 return Value && ARM_AM::getSOImmVal(Value) != -1;
664 let ParserMatchClass = ModImmNegAsmOperand;
667 /// arm_i32imm - True for +V6T2, or when isSOImmTwoParVal()
668 def arm_i32imm : PatLeaf<(imm), [{
669 if (Subtarget->useMovt(*MF))
671 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
674 /// imm0_1 predicate - Immediate in the range [0,1].
675 def Imm0_1AsmOperand: ImmAsmOperand<0,1> { let Name = "Imm0_1"; }
676 def imm0_1 : Operand<i32> { let ParserMatchClass = Imm0_1AsmOperand; }
678 /// imm0_3 predicate - Immediate in the range [0,3].
679 def Imm0_3AsmOperand: ImmAsmOperand<0,3> { let Name = "Imm0_3"; }
680 def imm0_3 : Operand<i32> { let ParserMatchClass = Imm0_3AsmOperand; }
682 /// imm0_7 predicate - Immediate in the range [0,7].
683 def Imm0_7AsmOperand: ImmAsmOperand<0,7> {
686 def imm0_7 : Operand<i32>, ImmLeaf<i32, [{
687 return Imm >= 0 && Imm < 8;
689 let ParserMatchClass = Imm0_7AsmOperand;
692 /// imm8_255 predicate - Immediate in the range [8,255].
693 def Imm8_255AsmOperand: ImmAsmOperand<8,255> { let Name = "Imm8_255"; }
694 def imm8_255 : Operand<i32>, ImmLeaf<i32, [{
695 return Imm >= 8 && Imm < 256;
697 let ParserMatchClass = Imm8_255AsmOperand;
700 /// imm8 predicate - Immediate is exactly 8.
701 def Imm8AsmOperand: ImmAsmOperand<8,8> { let Name = "Imm8"; }
702 def imm8 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 8; }]> {
703 let ParserMatchClass = Imm8AsmOperand;
706 /// imm16 predicate - Immediate is exactly 16.
707 def Imm16AsmOperand: ImmAsmOperand<16,16> { let Name = "Imm16"; }
708 def imm16 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 16; }]> {
709 let ParserMatchClass = Imm16AsmOperand;
712 /// imm32 predicate - Immediate is exactly 32.
713 def Imm32AsmOperand: ImmAsmOperand<32,32> { let Name = "Imm32"; }
714 def imm32 : Operand<i32>, ImmLeaf<i32, [{ return Imm == 32; }]> {
715 let ParserMatchClass = Imm32AsmOperand;
718 def imm8_or_16 : ImmLeaf<i32, [{ return Imm == 8 || Imm == 16;}]>;
720 /// imm1_7 predicate - Immediate in the range [1,7].
721 def Imm1_7AsmOperand: ImmAsmOperand<1,7> { let Name = "Imm1_7"; }
722 def imm1_7 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 8; }]> {
723 let ParserMatchClass = Imm1_7AsmOperand;
726 /// imm1_15 predicate - Immediate in the range [1,15].
727 def Imm1_15AsmOperand: ImmAsmOperand<1,15> { let Name = "Imm1_15"; }
728 def imm1_15 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 16; }]> {
729 let ParserMatchClass = Imm1_15AsmOperand;
732 /// imm1_31 predicate - Immediate in the range [1,31].
733 def Imm1_31AsmOperand: ImmAsmOperand<1,31> { let Name = "Imm1_31"; }
734 def imm1_31 : Operand<i32>, ImmLeaf<i32, [{ return Imm > 0 && Imm < 32; }]> {
735 let ParserMatchClass = Imm1_31AsmOperand;
738 /// imm0_15 predicate - Immediate in the range [0,15].
739 def Imm0_15AsmOperand: ImmAsmOperand<0,15> {
740 let Name = "Imm0_15";
741 let DiagnosticType = "ImmRange0_15";
743 def imm0_15 : Operand<i32>, ImmLeaf<i32, [{
744 return Imm >= 0 && Imm < 16;
746 let ParserMatchClass = Imm0_15AsmOperand;
749 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
750 def Imm0_31AsmOperand: ImmAsmOperand<0,31> { let Name = "Imm0_31"; }
751 def imm0_31 : Operand<i32>, ImmLeaf<i32, [{
752 return Imm >= 0 && Imm < 32;
754 let ParserMatchClass = Imm0_31AsmOperand;
757 /// imm0_32 predicate - True if the 32-bit immediate is in the range [0,32].
758 def Imm0_32AsmOperand: ImmAsmOperand<0,32> { let Name = "Imm0_32"; }
759 def imm0_32 : Operand<i32>, ImmLeaf<i32, [{
760 return Imm >= 0 && Imm < 33;
762 let ParserMatchClass = Imm0_32AsmOperand;
765 /// imm0_63 predicate - True if the 32-bit immediate is in the range [0,63].
766 def Imm0_63AsmOperand: ImmAsmOperand<0,63> { let Name = "Imm0_63"; }
767 def imm0_63 : Operand<i32>, ImmLeaf<i32, [{
768 return Imm >= 0 && Imm < 64;
770 let ParserMatchClass = Imm0_63AsmOperand;
773 /// imm0_239 predicate - Immediate in the range [0,239].
774 def Imm0_239AsmOperand : ImmAsmOperand<0,239> {
775 let Name = "Imm0_239";
776 let DiagnosticType = "ImmRange0_239";
778 def imm0_239 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 240; }]> {
779 let ParserMatchClass = Imm0_239AsmOperand;
782 /// imm0_255 predicate - Immediate in the range [0,255].
783 def Imm0_255AsmOperand : ImmAsmOperand<0,255> { let Name = "Imm0_255"; }
784 def imm0_255 : Operand<i32>, ImmLeaf<i32, [{ return Imm >= 0 && Imm < 256; }]> {
785 let ParserMatchClass = Imm0_255AsmOperand;
788 /// imm0_65535 - An immediate is in the range [0,65535].
789 def Imm0_65535AsmOperand: ImmAsmOperand<0,65535> { let Name = "Imm0_65535"; }
790 def imm0_65535 : Operand<i32>, ImmLeaf<i32, [{
791 return Imm >= 0 && Imm < 65536;
793 let ParserMatchClass = Imm0_65535AsmOperand;
796 // imm0_65535_neg - An immediate whose negative value is in the range [0.65535].
797 def imm0_65535_neg : Operand<i32>, ImmLeaf<i32, [{
798 return -Imm >= 0 && -Imm < 65536;
801 // imm0_65535_expr - For movt/movw - 16-bit immediate that can also reference
802 // a relocatable expression.
804 // FIXME: This really needs a Thumb version separate from the ARM version.
805 // While the range is the same, and can thus use the same match class,
806 // the encoding is different so it should have a different encoder method.
807 def Imm0_65535ExprAsmOperand: AsmOperandClass {
808 let Name = "Imm0_65535Expr";
809 let RenderMethod = "addImmOperands";
812 def imm0_65535_expr : Operand<i32> {
813 let EncoderMethod = "getHiLo16ImmOpValue";
814 let ParserMatchClass = Imm0_65535ExprAsmOperand;
817 def Imm256_65535ExprAsmOperand: ImmAsmOperand<256,65535> { let Name = "Imm256_65535Expr"; }
818 def imm256_65535_expr : Operand<i32> {
819 let ParserMatchClass = Imm256_65535ExprAsmOperand;
822 /// imm24b - True if the 32-bit immediate is encodable in 24 bits.
823 def Imm24bitAsmOperand: ImmAsmOperand<0,0xffffff> { let Name = "Imm24bit"; }
824 def imm24b : Operand<i32>, ImmLeaf<i32, [{
825 return Imm >= 0 && Imm <= 0xffffff;
827 let ParserMatchClass = Imm24bitAsmOperand;
831 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
833 def BitfieldAsmOperand : AsmOperandClass {
834 let Name = "Bitfield";
835 let ParserMethod = "parseBitfield";
838 def bf_inv_mask_imm : Operand<i32>,
840 return ARM::isBitFieldInvertedMask(N->getZExtValue());
842 let EncoderMethod = "getBitfieldInvertedMaskOpValue";
843 let PrintMethod = "printBitfieldInvMaskImmOperand";
844 let DecoderMethod = "DecodeBitfieldMaskOperand";
845 let ParserMatchClass = BitfieldAsmOperand;
848 def imm1_32_XFORM: SDNodeXForm<imm, [{
849 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
852 def Imm1_32AsmOperand: ImmAsmOperandMinusOne<1,32> {
853 let Name = "Imm1_32";
855 def imm1_32 : Operand<i32>, PatLeaf<(imm), [{
856 uint64_t Imm = N->getZExtValue();
857 return Imm > 0 && Imm <= 32;
860 let PrintMethod = "printImmPlusOneOperand";
861 let ParserMatchClass = Imm1_32AsmOperand;
864 def imm1_16_XFORM: SDNodeXForm<imm, [{
865 return CurDAG->getTargetConstant((int)N->getZExtValue() - 1, SDLoc(N),
868 def Imm1_16AsmOperand: ImmAsmOperandMinusOne<1,16> { let Name = "Imm1_16"; }
869 def imm1_16 : Operand<i32>, PatLeaf<(imm), [{ return Imm > 0 && Imm <= 16; }],
871 let PrintMethod = "printImmPlusOneOperand";
872 let ParserMatchClass = Imm1_16AsmOperand;
875 // Define ARM specific addressing modes.
876 // addrmode_imm12 := reg +/- imm12
878 def MemImm12OffsetAsmOperand : AsmOperandClass { let Name = "MemImm12Offset"; }
879 class AddrMode_Imm12 : MemOperand,
880 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
881 // 12-bit immediate operand. Note that instructions using this encode
882 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
883 // immediate values are as normal.
885 let EncoderMethod = "getAddrModeImm12OpValue";
886 let DecoderMethod = "DecodeAddrModeImm12Operand";
887 let ParserMatchClass = MemImm12OffsetAsmOperand;
888 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
891 def addrmode_imm12 : AddrMode_Imm12 {
892 let PrintMethod = "printAddrModeImm12Operand<false>";
895 def addrmode_imm12_pre : AddrMode_Imm12 {
896 let PrintMethod = "printAddrModeImm12Operand<true>";
899 // ldst_so_reg := reg +/- reg shop imm
901 def MemRegOffsetAsmOperand : AsmOperandClass { let Name = "MemRegOffset"; }
902 def ldst_so_reg : MemOperand,
903 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
904 let EncoderMethod = "getLdStSORegOpValue";
905 // FIXME: Simplify the printer
906 let PrintMethod = "printAddrMode2Operand";
907 let DecoderMethod = "DecodeSORegMemOperand";
908 let ParserMatchClass = MemRegOffsetAsmOperand;
909 let MIOperandInfo = (ops GPR:$base, GPRnopc:$offsreg, i32imm:$shift);
912 // postidx_imm8 := +/- [0,255]
915 // {8} 1 is imm8 is non-negative. 0 otherwise.
916 // {7-0} [0,255] imm8 value.
917 def PostIdxImm8AsmOperand : AsmOperandClass { let Name = "PostIdxImm8"; }
918 def postidx_imm8 : MemOperand {
919 let PrintMethod = "printPostIdxImm8Operand";
920 let ParserMatchClass = PostIdxImm8AsmOperand;
921 let MIOperandInfo = (ops i32imm);
924 // postidx_imm8s4 := +/- [0,1020]
927 // {8} 1 is imm8 is non-negative. 0 otherwise.
928 // {7-0} [0,255] imm8 value, scaled by 4.
929 def PostIdxImm8s4AsmOperand : AsmOperandClass { let Name = "PostIdxImm8s4"; }
930 def postidx_imm8s4 : MemOperand {
931 let PrintMethod = "printPostIdxImm8s4Operand";
932 let ParserMatchClass = PostIdxImm8s4AsmOperand;
933 let MIOperandInfo = (ops i32imm);
937 // postidx_reg := +/- reg
939 def PostIdxRegAsmOperand : AsmOperandClass {
940 let Name = "PostIdxReg";
941 let ParserMethod = "parsePostIdxReg";
943 def postidx_reg : MemOperand {
944 let EncoderMethod = "getPostIdxRegOpValue";
945 let DecoderMethod = "DecodePostIdxReg";
946 let PrintMethod = "printPostIdxRegOperand";
947 let ParserMatchClass = PostIdxRegAsmOperand;
948 let MIOperandInfo = (ops GPRnopc, i32imm);
952 // addrmode2 := reg +/- imm12
953 // := reg +/- reg shop imm
955 // FIXME: addrmode2 should be refactored the rest of the way to always
956 // use explicit imm vs. reg versions above (addrmode_imm12 and ldst_so_reg).
957 def AddrMode2AsmOperand : AsmOperandClass { let Name = "AddrMode2"; }
958 def addrmode2 : MemOperand,
959 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
960 let EncoderMethod = "getAddrMode2OpValue";
961 let PrintMethod = "printAddrMode2Operand";
962 let ParserMatchClass = AddrMode2AsmOperand;
963 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
966 def PostIdxRegShiftedAsmOperand : AsmOperandClass {
967 let Name = "PostIdxRegShifted";
968 let ParserMethod = "parsePostIdxReg";
970 def am2offset_reg : MemOperand,
971 ComplexPattern<i32, 2, "SelectAddrMode2OffsetReg",
972 [], [SDNPWantRoot]> {
973 let EncoderMethod = "getAddrMode2OffsetOpValue";
974 let PrintMethod = "printAddrMode2OffsetOperand";
975 // When using this for assembly, it's always as a post-index offset.
976 let ParserMatchClass = PostIdxRegShiftedAsmOperand;
977 let MIOperandInfo = (ops GPRnopc, i32imm);
980 // FIXME: am2offset_imm should only need the immediate, not the GPR. Having
981 // the GPR is purely vestigal at this point.
982 def AM2OffsetImmAsmOperand : AsmOperandClass { let Name = "AM2OffsetImm"; }
983 def am2offset_imm : MemOperand,
984 ComplexPattern<i32, 2, "SelectAddrMode2OffsetImm",
985 [], [SDNPWantRoot]> {
986 let EncoderMethod = "getAddrMode2OffsetOpValue";
987 let PrintMethod = "printAddrMode2OffsetOperand";
988 let ParserMatchClass = AM2OffsetImmAsmOperand;
989 let MIOperandInfo = (ops GPRnopc, i32imm);
993 // addrmode3 := reg +/- reg
994 // addrmode3 := reg +/- imm8
996 // FIXME: split into imm vs. reg versions.
997 def AddrMode3AsmOperand : AsmOperandClass { let Name = "AddrMode3"; }
998 class AddrMode3 : MemOperand,
999 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
1000 let EncoderMethod = "getAddrMode3OpValue";
1001 let ParserMatchClass = AddrMode3AsmOperand;
1002 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
1005 def addrmode3 : AddrMode3
1007 let PrintMethod = "printAddrMode3Operand<false>";
1010 def addrmode3_pre : AddrMode3
1012 let PrintMethod = "printAddrMode3Operand<true>";
1015 // FIXME: split into imm vs. reg versions.
1016 // FIXME: parser method to handle +/- register.
1017 def AM3OffsetAsmOperand : AsmOperandClass {
1018 let Name = "AM3Offset";
1019 let ParserMethod = "parseAM3Offset";
1021 def am3offset : MemOperand,
1022 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
1023 [], [SDNPWantRoot]> {
1024 let EncoderMethod = "getAddrMode3OffsetOpValue";
1025 let PrintMethod = "printAddrMode3OffsetOperand";
1026 let ParserMatchClass = AM3OffsetAsmOperand;
1027 let MIOperandInfo = (ops GPR, i32imm);
1030 // ldstm_mode := {ia, ib, da, db}
1032 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
1033 let EncoderMethod = "getLdStmModeOpValue";
1034 let PrintMethod = "printLdStmModeOperand";
1037 // addrmode5 := reg +/- imm8*4
1039 def AddrMode5AsmOperand : AsmOperandClass { let Name = "AddrMode5"; }
1040 class AddrMode5 : MemOperand,
1041 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
1042 let EncoderMethod = "getAddrMode5OpValue";
1043 let DecoderMethod = "DecodeAddrMode5Operand";
1044 let ParserMatchClass = AddrMode5AsmOperand;
1045 let MIOperandInfo = (ops GPR:$base, i32imm);
1048 def addrmode5 : AddrMode5 {
1049 let PrintMethod = "printAddrMode5Operand<false>";
1052 def addrmode5_pre : AddrMode5 {
1053 let PrintMethod = "printAddrMode5Operand<true>";
1056 // addrmode5fp16 := reg +/- imm8*2
1058 def AddrMode5FP16AsmOperand : AsmOperandClass { let Name = "AddrMode5FP16"; }
1059 class AddrMode5FP16 : Operand<i32>,
1060 ComplexPattern<i32, 2, "SelectAddrMode5FP16", []> {
1061 let EncoderMethod = "getAddrMode5FP16OpValue";
1062 let DecoderMethod = "DecodeAddrMode5FP16Operand";
1063 let ParserMatchClass = AddrMode5FP16AsmOperand;
1064 let MIOperandInfo = (ops GPR:$base, i32imm);
1067 def addrmode5fp16 : AddrMode5FP16 {
1068 let PrintMethod = "printAddrMode5FP16Operand<false>";
1071 // addrmode6 := reg with optional alignment
1073 def AddrMode6AsmOperand : AsmOperandClass { let Name = "AlignedMemory"; }
1074 def addrmode6 : MemOperand,
1075 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1076 let PrintMethod = "printAddrMode6Operand";
1077 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1078 let EncoderMethod = "getAddrMode6AddressOpValue";
1079 let DecoderMethod = "DecodeAddrMode6Operand";
1080 let ParserMatchClass = AddrMode6AsmOperand;
1083 def am6offset : MemOperand,
1084 ComplexPattern<i32, 1, "SelectAddrMode6Offset",
1085 [], [SDNPWantRoot]> {
1086 let PrintMethod = "printAddrMode6OffsetOperand";
1087 let MIOperandInfo = (ops GPR);
1088 let EncoderMethod = "getAddrMode6OffsetOpValue";
1089 let DecoderMethod = "DecodeGPRRegisterClass";
1092 // Special version of addrmode6 to handle alignment encoding for VST1/VLD1
1093 // (single element from one lane) for size 32.
1094 def addrmode6oneL32 : MemOperand,
1095 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1096 let PrintMethod = "printAddrMode6Operand";
1097 let MIOperandInfo = (ops GPR:$addr, i32imm);
1098 let EncoderMethod = "getAddrMode6OneLane32AddressOpValue";
1101 // Base class for addrmode6 with specific alignment restrictions.
1102 class AddrMode6Align : MemOperand,
1103 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1104 let PrintMethod = "printAddrMode6Operand";
1105 let MIOperandInfo = (ops GPR:$addr, i32imm:$align);
1106 let EncoderMethod = "getAddrMode6AddressOpValue";
1107 let DecoderMethod = "DecodeAddrMode6Operand";
1110 // Special version of addrmode6 to handle no allowed alignment encoding for
1111 // VLD/VST instructions and checking the alignment is not specified.
1112 def AddrMode6AlignNoneAsmOperand : AsmOperandClass {
1113 let Name = "AlignedMemoryNone";
1114 let DiagnosticType = "AlignedMemoryRequiresNone";
1116 def addrmode6alignNone : AddrMode6Align {
1117 // The alignment specifier can only be omitted.
1118 let ParserMatchClass = AddrMode6AlignNoneAsmOperand;
1121 // Special version of addrmode6 to handle 16-bit alignment encoding for
1122 // VLD/VST instructions and checking the alignment value.
1123 def AddrMode6Align16AsmOperand : AsmOperandClass {
1124 let Name = "AlignedMemory16";
1125 let DiagnosticType = "AlignedMemoryRequires16";
1127 def addrmode6align16 : AddrMode6Align {
1128 // The alignment specifier can only be 16 or omitted.
1129 let ParserMatchClass = AddrMode6Align16AsmOperand;
1132 // Special version of addrmode6 to handle 32-bit alignment encoding for
1133 // VLD/VST instructions and checking the alignment value.
1134 def AddrMode6Align32AsmOperand : AsmOperandClass {
1135 let Name = "AlignedMemory32";
1136 let DiagnosticType = "AlignedMemoryRequires32";
1138 def addrmode6align32 : AddrMode6Align {
1139 // The alignment specifier can only be 32 or omitted.
1140 let ParserMatchClass = AddrMode6Align32AsmOperand;
1143 // Special version of addrmode6 to handle 64-bit alignment encoding for
1144 // VLD/VST instructions and checking the alignment value.
1145 def AddrMode6Align64AsmOperand : AsmOperandClass {
1146 let Name = "AlignedMemory64";
1147 let DiagnosticType = "AlignedMemoryRequires64";
1149 def addrmode6align64 : AddrMode6Align {
1150 // The alignment specifier can only be 64 or omitted.
1151 let ParserMatchClass = AddrMode6Align64AsmOperand;
1154 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1155 // for VLD/VST instructions and checking the alignment value.
1156 def AddrMode6Align64or128AsmOperand : AsmOperandClass {
1157 let Name = "AlignedMemory64or128";
1158 let DiagnosticType = "AlignedMemoryRequires64or128";
1160 def addrmode6align64or128 : AddrMode6Align {
1161 // The alignment specifier can only be 64, 128 or omitted.
1162 let ParserMatchClass = AddrMode6Align64or128AsmOperand;
1165 // Special version of addrmode6 to handle 64-bit, 128-bit or 256-bit alignment
1166 // encoding for VLD/VST instructions and checking the alignment value.
1167 def AddrMode6Align64or128or256AsmOperand : AsmOperandClass {
1168 let Name = "AlignedMemory64or128or256";
1169 let DiagnosticType = "AlignedMemoryRequires64or128or256";
1171 def addrmode6align64or128or256 : AddrMode6Align {
1172 // The alignment specifier can only be 64, 128, 256 or omitted.
1173 let ParserMatchClass = AddrMode6Align64or128or256AsmOperand;
1176 // Special version of addrmode6 to handle alignment encoding for VLD-dup
1177 // instructions, specifically VLD4-dup.
1178 def addrmode6dup : MemOperand,
1179 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1180 let PrintMethod = "printAddrMode6Operand";
1181 let MIOperandInfo = (ops GPR:$addr, i32imm);
1182 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1183 // FIXME: This is close, but not quite right. The alignment specifier is
1185 let ParserMatchClass = AddrMode6AsmOperand;
1188 // Base class for addrmode6dup with specific alignment restrictions.
1189 class AddrMode6DupAlign : MemOperand,
1190 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
1191 let PrintMethod = "printAddrMode6Operand";
1192 let MIOperandInfo = (ops GPR:$addr, i32imm);
1193 let EncoderMethod = "getAddrMode6DupAddressOpValue";
1196 // Special version of addrmode6 to handle no allowed alignment encoding for
1197 // VLD-dup instruction and checking the alignment is not specified.
1198 def AddrMode6dupAlignNoneAsmOperand : AsmOperandClass {
1199 let Name = "DupAlignedMemoryNone";
1200 let DiagnosticType = "DupAlignedMemoryRequiresNone";
1202 def addrmode6dupalignNone : AddrMode6DupAlign {
1203 // The alignment specifier can only be omitted.
1204 let ParserMatchClass = AddrMode6dupAlignNoneAsmOperand;
1207 // Special version of addrmode6 to handle 16-bit alignment encoding for VLD-dup
1208 // instruction and checking the alignment value.
1209 def AddrMode6dupAlign16AsmOperand : AsmOperandClass {
1210 let Name = "DupAlignedMemory16";
1211 let DiagnosticType = "DupAlignedMemoryRequires16";
1213 def addrmode6dupalign16 : AddrMode6DupAlign {
1214 // The alignment specifier can only be 16 or omitted.
1215 let ParserMatchClass = AddrMode6dupAlign16AsmOperand;
1218 // Special version of addrmode6 to handle 32-bit alignment encoding for VLD-dup
1219 // instruction and checking the alignment value.
1220 def AddrMode6dupAlign32AsmOperand : AsmOperandClass {
1221 let Name = "DupAlignedMemory32";
1222 let DiagnosticType = "DupAlignedMemoryRequires32";
1224 def addrmode6dupalign32 : AddrMode6DupAlign {
1225 // The alignment specifier can only be 32 or omitted.
1226 let ParserMatchClass = AddrMode6dupAlign32AsmOperand;
1229 // Special version of addrmode6 to handle 64-bit alignment encoding for VLD
1230 // instructions and checking the alignment value.
1231 def AddrMode6dupAlign64AsmOperand : AsmOperandClass {
1232 let Name = "DupAlignedMemory64";
1233 let DiagnosticType = "DupAlignedMemoryRequires64";
1235 def addrmode6dupalign64 : AddrMode6DupAlign {
1236 // The alignment specifier can only be 64 or omitted.
1237 let ParserMatchClass = AddrMode6dupAlign64AsmOperand;
1240 // Special version of addrmode6 to handle 64-bit or 128-bit alignment encoding
1241 // for VLD instructions and checking the alignment value.
1242 def AddrMode6dupAlign64or128AsmOperand : AsmOperandClass {
1243 let Name = "DupAlignedMemory64or128";
1244 let DiagnosticType = "DupAlignedMemoryRequires64or128";
1246 def addrmode6dupalign64or128 : AddrMode6DupAlign {
1247 // The alignment specifier can only be 64, 128 or omitted.
1248 let ParserMatchClass = AddrMode6dupAlign64or128AsmOperand;
1251 // addrmodepc := pc + reg
1253 def addrmodepc : MemOperand,
1254 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
1255 let PrintMethod = "printAddrModePCOperand";
1256 let MIOperandInfo = (ops GPR, i32imm);
1259 // addr_offset_none := reg
1261 def MemNoOffsetAsmOperand : AsmOperandClass { let Name = "MemNoOffset"; }
1262 def addr_offset_none : MemOperand,
1263 ComplexPattern<i32, 1, "SelectAddrOffsetNone", []> {
1264 let PrintMethod = "printAddrMode7Operand";
1265 let DecoderMethod = "DecodeAddrMode7Operand";
1266 let ParserMatchClass = MemNoOffsetAsmOperand;
1267 let MIOperandInfo = (ops GPR:$base);
1270 def nohash_imm : Operand<i32> {
1271 let PrintMethod = "printNoHashImmediate";
1274 def CoprocNumAsmOperand : AsmOperandClass {
1275 let Name = "CoprocNum";
1276 let ParserMethod = "parseCoprocNumOperand";
1278 def p_imm : Operand<i32> {
1279 let PrintMethod = "printPImmediate";
1280 let ParserMatchClass = CoprocNumAsmOperand;
1281 let DecoderMethod = "DecodeCoprocessor";
1284 def CoprocRegAsmOperand : AsmOperandClass {
1285 let Name = "CoprocReg";
1286 let ParserMethod = "parseCoprocRegOperand";
1288 def c_imm : Operand<i32> {
1289 let PrintMethod = "printCImmediate";
1290 let ParserMatchClass = CoprocRegAsmOperand;
1292 def CoprocOptionAsmOperand : AsmOperandClass {
1293 let Name = "CoprocOption";
1294 let ParserMethod = "parseCoprocOptionOperand";
1296 def coproc_option_imm : Operand<i32> {
1297 let PrintMethod = "printCoprocOptionImm";
1298 let ParserMatchClass = CoprocOptionAsmOperand;
1301 //===----------------------------------------------------------------------===//
1303 include "ARMInstrFormats.td"
1305 //===----------------------------------------------------------------------===//
1306 // Multiclass helpers...
1309 /// AsI1_bin_irs - Defines a set of (op r, {mod_imm|r|so_reg}) patterns for a
1310 /// binop that produces a value.
1311 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1312 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
1313 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1314 SDPatternOperator opnode, bit Commutable = 0> {
1315 // The register-immediate version is re-materializable. This is useful
1316 // in particular for taking the address of a local.
1317 let isReMaterializable = 1 in {
1318 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1319 iii, opc, "\t$Rd, $Rn, $imm",
1320 [(set GPR:$Rd, (opnode GPR:$Rn, mod_imm:$imm))]>,
1321 Sched<[WriteALU, ReadALU]> {
1326 let Inst{19-16} = Rn;
1327 let Inst{15-12} = Rd;
1328 let Inst{11-0} = imm;
1331 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1332 iir, opc, "\t$Rd, $Rn, $Rm",
1333 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
1334 Sched<[WriteALU, ReadALU, ReadALU]> {
1339 let isCommutable = Commutable;
1340 let Inst{19-16} = Rn;
1341 let Inst{15-12} = Rd;
1342 let Inst{11-4} = 0b00000000;
1346 def rsi : AsI1<opcod, (outs GPR:$Rd),
1347 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1348 iis, opc, "\t$Rd, $Rn, $shift",
1349 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_imm:$shift))]>,
1350 Sched<[WriteALUsi, ReadALU]> {
1355 let Inst{19-16} = Rn;
1356 let Inst{15-12} = Rd;
1357 let Inst{11-5} = shift{11-5};
1359 let Inst{3-0} = shift{3-0};
1362 def rsr : AsI1<opcod, (outs GPR:$Rd),
1363 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1364 iis, opc, "\t$Rd, $Rn, $shift",
1365 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg_reg:$shift))]>,
1366 Sched<[WriteALUsr, ReadALUsr]> {
1371 let Inst{19-16} = Rn;
1372 let Inst{15-12} = Rd;
1373 let Inst{11-8} = shift{11-8};
1375 let Inst{6-5} = shift{6-5};
1377 let Inst{3-0} = shift{3-0};
1381 /// AsI1_rbin_irs - Same as AsI1_bin_irs except the order of operands are
1382 /// reversed. The 'rr' form is only defined for the disassembler; for codegen
1383 /// it is equivalent to the AsI1_bin_irs counterpart.
1384 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1385 multiclass AsI1_rbin_irs<bits<4> opcod, string opc,
1386 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1387 SDNode opnode, bit Commutable = 0> {
1388 // The register-immediate version is re-materializable. This is useful
1389 // in particular for taking the address of a local.
1390 let isReMaterializable = 1 in {
1391 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm), DPFrm,
1392 iii, opc, "\t$Rd, $Rn, $imm",
1393 [(set GPR:$Rd, (opnode mod_imm:$imm, GPR:$Rn))]>,
1394 Sched<[WriteALU, ReadALU]> {
1399 let Inst{19-16} = Rn;
1400 let Inst{15-12} = Rd;
1401 let Inst{11-0} = imm;
1404 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1405 iir, opc, "\t$Rd, $Rn, $Rm",
1406 [/* pattern left blank */]>,
1407 Sched<[WriteALU, ReadALU, ReadALU]> {
1411 let Inst{11-4} = 0b00000000;
1414 let Inst{15-12} = Rd;
1415 let Inst{19-16} = Rn;
1418 def rsi : AsI1<opcod, (outs GPR:$Rd),
1419 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm,
1420 iis, opc, "\t$Rd, $Rn, $shift",
1421 [(set GPR:$Rd, (opnode so_reg_imm:$shift, GPR:$Rn))]>,
1422 Sched<[WriteALUsi, ReadALU]> {
1427 let Inst{19-16} = Rn;
1428 let Inst{15-12} = Rd;
1429 let Inst{11-5} = shift{11-5};
1431 let Inst{3-0} = shift{3-0};
1434 def rsr : AsI1<opcod, (outs GPR:$Rd),
1435 (ins GPR:$Rn, so_reg_reg:$shift), DPSoRegRegFrm,
1436 iis, opc, "\t$Rd, $Rn, $shift",
1437 [(set GPR:$Rd, (opnode so_reg_reg:$shift, GPR:$Rn))]>,
1438 Sched<[WriteALUsr, ReadALUsr]> {
1443 let Inst{19-16} = Rn;
1444 let Inst{15-12} = Rd;
1445 let Inst{11-8} = shift{11-8};
1447 let Inst{6-5} = shift{6-5};
1449 let Inst{3-0} = shift{3-0};
1453 /// AsI1_bin_s_irs - Same as AsI1_bin_irs except it sets the 's' bit by default.
1455 /// These opcodes will be converted to the real non-S opcodes by
1456 /// AdjustInstrPostInstrSelection after giving them an optional CPSR operand.
1457 let hasPostISelHook = 1, Defs = [CPSR] in {
1458 multiclass AsI1_bin_s_irs<InstrItinClass iii, InstrItinClass iir,
1459 InstrItinClass iis, SDNode opnode,
1460 bit Commutable = 0> {
1461 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1463 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm))]>,
1464 Sched<[WriteALU, ReadALU]>;
1466 def rr : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, pred:$p),
1468 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm))]>,
1469 Sched<[WriteALU, ReadALU, ReadALU]> {
1470 let isCommutable = Commutable;
1472 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1473 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1475 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1476 so_reg_imm:$shift))]>,
1477 Sched<[WriteALUsi, ReadALU]>;
1479 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1480 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1482 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn,
1483 so_reg_reg:$shift))]>,
1484 Sched<[WriteALUSsr, ReadALUsr]>;
1488 /// AsI1_rbin_s_is - Same as AsI1_bin_s_irs, except selection DAG
1489 /// operands are reversed.
1490 let hasPostISelHook = 1, Defs = [CPSR] in {
1491 multiclass AsI1_rbin_s_is<InstrItinClass iii, InstrItinClass iir,
1492 InstrItinClass iis, SDNode opnode,
1493 bit Commutable = 0> {
1494 def ri : ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm, pred:$p),
1496 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn))]>,
1497 Sched<[WriteALU, ReadALU]>;
1499 def rsi : ARMPseudoInst<(outs GPR:$Rd),
1500 (ins GPR:$Rn, so_reg_imm:$shift, pred:$p),
1502 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift,
1504 Sched<[WriteALUsi, ReadALU]>;
1506 def rsr : ARMPseudoInst<(outs GPR:$Rd),
1507 (ins GPR:$Rn, so_reg_reg:$shift, pred:$p),
1509 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift,
1511 Sched<[WriteALUSsr, ReadALUsr]>;
1515 /// AI1_cmp_irs - Defines a set of (op r, {mod_imm|r|so_reg}) cmp / test
1516 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
1517 /// a explicit result, only implicitly set CPSR.
1518 let isCompare = 1, Defs = [CPSR] in {
1519 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
1520 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
1521 SDPatternOperator opnode, bit Commutable = 0,
1522 string rrDecoderMethod = ""> {
1523 def ri : AI1<opcod, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, iii,
1525 [(opnode GPR:$Rn, mod_imm:$imm)]>,
1526 Sched<[WriteCMP, ReadALU]> {
1531 let Inst{19-16} = Rn;
1532 let Inst{15-12} = 0b0000;
1533 let Inst{11-0} = imm;
1535 let Unpredictable{15-12} = 0b1111;
1537 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
1539 [(opnode GPR:$Rn, GPR:$Rm)]>,
1540 Sched<[WriteCMP, ReadALU, ReadALU]> {
1543 let isCommutable = Commutable;
1546 let Inst{19-16} = Rn;
1547 let Inst{15-12} = 0b0000;
1548 let Inst{11-4} = 0b00000000;
1550 let DecoderMethod = rrDecoderMethod;
1552 let Unpredictable{15-12} = 0b1111;
1554 def rsi : AI1<opcod, (outs),
1555 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, iis,
1556 opc, "\t$Rn, $shift",
1557 [(opnode GPR:$Rn, so_reg_imm:$shift)]>,
1558 Sched<[WriteCMPsi, ReadALU]> {
1563 let Inst{19-16} = Rn;
1564 let Inst{15-12} = 0b0000;
1565 let Inst{11-5} = shift{11-5};
1567 let Inst{3-0} = shift{3-0};
1569 let Unpredictable{15-12} = 0b1111;
1571 def rsr : AI1<opcod, (outs),
1572 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, iis,
1573 opc, "\t$Rn, $shift",
1574 [(opnode GPRnopc:$Rn, so_reg_reg:$shift)]>,
1575 Sched<[WriteCMPsr, ReadALU]> {
1580 let Inst{19-16} = Rn;
1581 let Inst{15-12} = 0b0000;
1582 let Inst{11-8} = shift{11-8};
1584 let Inst{6-5} = shift{6-5};
1586 let Inst{3-0} = shift{3-0};
1588 let Unpredictable{15-12} = 0b1111;
1594 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
1595 /// register and one whose operand is a register rotated by 8/16/24.
1596 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
1597 class AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode>
1598 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1599 IIC_iEXTr, opc, "\t$Rd, $Rm$rot",
1600 [(set GPRnopc:$Rd, (opnode (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1601 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1605 let Inst{19-16} = 0b1111;
1606 let Inst{15-12} = Rd;
1607 let Inst{11-10} = rot;
1611 class AI_ext_rrot_np<bits<8> opcod, string opc>
1612 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPRnopc:$Rm, rot_imm:$rot),
1613 IIC_iEXTr, opc, "\t$Rd, $Rm$rot", []>,
1614 Requires<[IsARM, HasV6]>, Sched<[WriteALUsi]> {
1616 let Inst{19-16} = 0b1111;
1617 let Inst{11-10} = rot;
1620 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
1621 /// register and one whose operand is a register rotated by 8/16/24.
1622 class AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode>
1623 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1624 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot",
1625 [(set GPRnopc:$Rd, (opnode GPR:$Rn,
1626 (rotr GPRnopc:$Rm, rot_imm:$rot)))]>,
1627 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1632 let Inst{19-16} = Rn;
1633 let Inst{15-12} = Rd;
1634 let Inst{11-10} = rot;
1635 let Inst{9-4} = 0b000111;
1639 class AI_exta_rrot_np<bits<8> opcod, string opc>
1640 : AExtI<opcod, (outs GPRnopc:$Rd), (ins GPR:$Rn, GPRnopc:$Rm, rot_imm:$rot),
1641 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm$rot", []>,
1642 Requires<[IsARM, HasV6]>, Sched<[WriteALUsr]> {
1645 let Inst{19-16} = Rn;
1646 let Inst{11-10} = rot;
1649 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
1650 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1651 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, SDNode opnode,
1652 bit Commutable = 0> {
1653 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1654 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1655 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1656 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, mod_imm:$imm, CPSR))]>,
1658 Sched<[WriteALU, ReadALU]> {
1663 let Inst{15-12} = Rd;
1664 let Inst{19-16} = Rn;
1665 let Inst{11-0} = imm;
1667 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1668 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1669 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, GPR:$Rm, CPSR))]>,
1671 Sched<[WriteALU, ReadALU, ReadALU]> {
1675 let Inst{11-4} = 0b00000000;
1677 let isCommutable = Commutable;
1679 let Inst{15-12} = Rd;
1680 let Inst{19-16} = Rn;
1682 def rsi : AsI1<opcod, (outs GPR:$Rd),
1683 (ins GPR:$Rn, so_reg_imm:$shift),
1684 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1685 [(set GPR:$Rd, CPSR, (opnode GPR:$Rn, so_reg_imm:$shift, CPSR))]>,
1687 Sched<[WriteALUsi, ReadALU]> {
1692 let Inst{19-16} = Rn;
1693 let Inst{15-12} = Rd;
1694 let Inst{11-5} = shift{11-5};
1696 let Inst{3-0} = shift{3-0};
1698 def rsr : AsI1<opcod, (outs GPRnopc:$Rd),
1699 (ins GPRnopc:$Rn, so_reg_reg:$shift),
1700 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1701 [(set GPRnopc:$Rd, CPSR,
1702 (opnode GPRnopc:$Rn, so_reg_reg:$shift, CPSR))]>,
1704 Sched<[WriteALUsr, ReadALUsr]> {
1709 let Inst{19-16} = Rn;
1710 let Inst{15-12} = Rd;
1711 let Inst{11-8} = shift{11-8};
1713 let Inst{6-5} = shift{6-5};
1715 let Inst{3-0} = shift{3-0};
1720 /// AI1_rsc_irs - Define instructions and patterns for rsc
1721 let TwoOperandAliasConstraint = "$Rn = $Rd" in
1722 multiclass AI1_rsc_irs<bits<4> opcod, string opc, SDNode opnode> {
1723 let hasPostISelHook = 1, Defs = [CPSR], Uses = [CPSR] in {
1724 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, mod_imm:$imm),
1725 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
1726 [(set GPR:$Rd, CPSR, (opnode mod_imm:$imm, GPR:$Rn, CPSR))]>,
1728 Sched<[WriteALU, ReadALU]> {
1733 let Inst{15-12} = Rd;
1734 let Inst{19-16} = Rn;
1735 let Inst{11-0} = imm;
1737 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
1738 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
1739 [/* pattern left blank */]>,
1740 Sched<[WriteALU, ReadALU, ReadALU]> {
1744 let Inst{11-4} = 0b00000000;
1747 let Inst{15-12} = Rd;
1748 let Inst{19-16} = Rn;
1750 def rsi : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_imm:$shift),
1751 DPSoRegImmFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1752 [(set GPR:$Rd, CPSR, (opnode so_reg_imm:$shift, GPR:$Rn, CPSR))]>,
1754 Sched<[WriteALUsi, ReadALU]> {
1759 let Inst{19-16} = Rn;
1760 let Inst{15-12} = Rd;
1761 let Inst{11-5} = shift{11-5};
1763 let Inst{3-0} = shift{3-0};
1765 def rsr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg_reg:$shift),
1766 DPSoRegRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
1767 [(set GPR:$Rd, CPSR, (opnode so_reg_reg:$shift, GPR:$Rn, CPSR))]>,
1769 Sched<[WriteALUsr, ReadALUsr]> {
1774 let Inst{19-16} = Rn;
1775 let Inst{15-12} = Rd;
1776 let Inst{11-8} = shift{11-8};
1778 let Inst{6-5} = shift{6-5};
1780 let Inst{3-0} = shift{3-0};
1785 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1786 multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
1787 InstrItinClass iir, PatFrag opnode> {
1788 // Note: We use the complex addrmode_imm12 rather than just an input
1789 // GPR and a constrained immediate so that we can use this to match
1790 // frame index references and avoid matching constant pool references.
1791 def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1792 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1793 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
1796 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1797 let Inst{19-16} = addr{16-13}; // Rn
1798 let Inst{15-12} = Rt;
1799 let Inst{11-0} = addr{11-0}; // imm12
1801 def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
1802 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1803 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
1806 let shift{4} = 0; // Inst{4} = 0
1807 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1808 let Inst{19-16} = shift{16-13}; // Rn
1809 let Inst{15-12} = Rt;
1810 let Inst{11-0} = shift{11-0};
1815 let canFoldAsLoad = 1, isReMaterializable = 1 in {
1816 multiclass AI_ldr1nopc<bit isByte, string opc, InstrItinClass iii,
1817 InstrItinClass iir, PatFrag opnode> {
1818 // Note: We use the complex addrmode_imm12 rather than just an input
1819 // GPR and a constrained immediate so that we can use this to match
1820 // frame index references and avoid matching constant pool references.
1821 def i12: AI2ldst<0b010, 1, isByte, (outs GPRnopc:$Rt),
1822 (ins addrmode_imm12:$addr),
1823 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
1824 [(set GPRnopc:$Rt, (opnode addrmode_imm12:$addr))]> {
1827 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1828 let Inst{19-16} = addr{16-13}; // Rn
1829 let Inst{15-12} = Rt;
1830 let Inst{11-0} = addr{11-0}; // imm12
1832 def rs : AI2ldst<0b011, 1, isByte, (outs GPRnopc:$Rt),
1833 (ins ldst_so_reg:$shift),
1834 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
1835 [(set GPRnopc:$Rt, (opnode ldst_so_reg:$shift))]> {
1838 let shift{4} = 0; // Inst{4} = 0
1839 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1840 let Inst{19-16} = shift{16-13}; // Rn
1841 let Inst{15-12} = Rt;
1842 let Inst{11-0} = shift{11-0};
1848 multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
1849 InstrItinClass iir, PatFrag opnode> {
1850 // Note: We use the complex addrmode_imm12 rather than just an input
1851 // GPR and a constrained immediate so that we can use this to match
1852 // frame index references and avoid matching constant pool references.
1853 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1854 (ins GPR:$Rt, addrmode_imm12:$addr),
1855 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1856 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
1859 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1860 let Inst{19-16} = addr{16-13}; // Rn
1861 let Inst{15-12} = Rt;
1862 let Inst{11-0} = addr{11-0}; // imm12
1864 def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
1865 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1866 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
1869 let shift{4} = 0; // Inst{4} = 0
1870 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1871 let Inst{19-16} = shift{16-13}; // Rn
1872 let Inst{15-12} = Rt;
1873 let Inst{11-0} = shift{11-0};
1877 multiclass AI_str1nopc<bit isByte, string opc, InstrItinClass iii,
1878 InstrItinClass iir, PatFrag opnode> {
1879 // Note: We use the complex addrmode_imm12 rather than just an input
1880 // GPR and a constrained immediate so that we can use this to match
1881 // frame index references and avoid matching constant pool references.
1882 def i12 : AI2ldst<0b010, 0, isByte, (outs),
1883 (ins GPRnopc:$Rt, addrmode_imm12:$addr),
1884 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
1885 [(opnode GPRnopc:$Rt, addrmode_imm12:$addr)]> {
1888 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1889 let Inst{19-16} = addr{16-13}; // Rn
1890 let Inst{15-12} = Rt;
1891 let Inst{11-0} = addr{11-0}; // imm12
1893 def rs : AI2ldst<0b011, 0, isByte, (outs),
1894 (ins GPRnopc:$Rt, ldst_so_reg:$shift),
1895 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
1896 [(opnode GPRnopc:$Rt, ldst_so_reg:$shift)]> {
1899 let shift{4} = 0; // Inst{4} = 0
1900 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1901 let Inst{19-16} = shift{16-13}; // Rn
1902 let Inst{15-12} = Rt;
1903 let Inst{11-0} = shift{11-0};
1908 //===----------------------------------------------------------------------===//
1910 //===----------------------------------------------------------------------===//
1912 //===----------------------------------------------------------------------===//
1913 // Miscellaneous Instructions.
1916 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
1917 /// the function. The first operand is the ID# for this instruction, the second
1918 /// is the index into the MachineConstantPool that this is, the third is the
1919 /// size in bytes of this constant pool entry.
1920 let hasSideEffects = 0, isNotDuplicable = 1 in
1921 def CONSTPOOL_ENTRY :
1922 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1923 i32imm:$size), NoItinerary, []>;
1925 /// A jumptable consisting of direct 32-bit addresses of the destination basic
1926 /// blocks (either absolute, or relative to the start of the jump-table in PIC
1927 /// mode). Used mostly in ARM and Thumb-1 modes.
1928 def JUMPTABLE_ADDRS :
1929 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1930 i32imm:$size), NoItinerary, []>;
1932 /// A jumptable consisting of 32-bit jump instructions. Used for Thumb-2 tables
1933 /// that cannot be optimised to use TBB or TBH.
1934 def JUMPTABLE_INSTS :
1935 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1936 i32imm:$size), NoItinerary, []>;
1938 /// A jumptable consisting of 8-bit unsigned integers representing offsets from
1939 /// a TBB instruction.
1941 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1942 i32imm:$size), NoItinerary, []>;
1944 /// A jumptable consisting of 16-bit unsigned integers representing offsets from
1945 /// a TBH instruction.
1947 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
1948 i32imm:$size), NoItinerary, []>;
1951 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
1952 // from removing one half of the matched pairs. That breaks PEI, which assumes
1953 // these will always be in pairs, and asserts if it finds otherwise. Better way?
1954 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1955 def ADJCALLSTACKUP :
1956 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
1957 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
1959 def ADJCALLSTACKDOWN :
1960 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
1961 [(ARMcallseq_start timm:$amt)]>;
1964 def HINT : AI<(outs), (ins imm0_239:$imm), MiscFrm, NoItinerary,
1965 "hint", "\t$imm", [(int_arm_hint imm0_239:$imm)]>,
1966 Requires<[IsARM, HasV6]> {
1968 let Inst{27-8} = 0b00110010000011110000;
1969 let Inst{7-0} = imm;
1970 let DecoderMethod = "DecodeHINTInstruction";
1973 def : InstAlias<"nop$p", (HINT 0, pred:$p)>, Requires<[IsARM, HasV6K]>;
1974 def : InstAlias<"yield$p", (HINT 1, pred:$p)>, Requires<[IsARM, HasV6K]>;
1975 def : InstAlias<"wfe$p", (HINT 2, pred:$p)>, Requires<[IsARM, HasV6K]>;
1976 def : InstAlias<"wfi$p", (HINT 3, pred:$p)>, Requires<[IsARM, HasV6K]>;
1977 def : InstAlias<"sev$p", (HINT 4, pred:$p)>, Requires<[IsARM, HasV6K]>;
1978 def : InstAlias<"sevl$p", (HINT 5, pred:$p)>, Requires<[IsARM, HasV8]>;
1979 def : InstAlias<"esb$p", (HINT 16, pred:$p)>, Requires<[IsARM, HasRAS]>;
1981 def SEL : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, NoItinerary, "sel",
1982 "\t$Rd, $Rn, $Rm", []>, Requires<[IsARM, HasV6]> {
1987 let Inst{15-12} = Rd;
1988 let Inst{19-16} = Rn;
1989 let Inst{27-20} = 0b01101000;
1990 let Inst{7-4} = 0b1011;
1991 let Inst{11-8} = 0b1111;
1992 let Unpredictable{11-8} = 0b1111;
1995 // The 16-bit operand $val can be used by a debugger to store more information
1996 // about the breakpoint.
1997 def BKPT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
1998 "bkpt", "\t$val", []>, Requires<[IsARM]> {
2000 let Inst{3-0} = val{3-0};
2001 let Inst{19-8} = val{15-4};
2002 let Inst{27-20} = 0b00010010;
2003 let Inst{31-28} = 0xe; // AL
2004 let Inst{7-4} = 0b0111;
2006 // default immediate for breakpoint mnemonic
2007 def : InstAlias<"bkpt", (BKPT 0), 0>, Requires<[IsARM]>;
2009 def HLT : AInoP<(outs), (ins imm0_65535:$val), MiscFrm, NoItinerary,
2010 "hlt", "\t$val", []>, Requires<[IsARM, HasV8]> {
2012 let Inst{3-0} = val{3-0};
2013 let Inst{19-8} = val{15-4};
2014 let Inst{27-20} = 0b00010000;
2015 let Inst{31-28} = 0xe; // AL
2016 let Inst{7-4} = 0b0111;
2019 // Change Processor State
2020 // FIXME: We should use InstAlias to handle the optional operands.
2021 class CPS<dag iops, string asm_ops>
2022 : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
2023 []>, Requires<[IsARM]> {
2029 let Inst{31-28} = 0b1111;
2030 let Inst{27-20} = 0b00010000;
2031 let Inst{19-18} = imod;
2032 let Inst{17} = M; // Enabled if mode is set;
2033 let Inst{16-9} = 0b00000000;
2034 let Inst{8-6} = iflags;
2036 let Inst{4-0} = mode;
2039 let DecoderMethod = "DecodeCPSInstruction" in {
2041 def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, imm0_31:$mode),
2042 "$imod\t$iflags, $mode">;
2043 let mode = 0, M = 0 in
2044 def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
2046 let imod = 0, iflags = 0, M = 1 in
2047 def CPS1p : CPS<(ins imm0_31:$mode), "\t$mode">;
2050 // Preload signals the memory system of possible future data/instruction access.
2051 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
2053 def i12 : AXIM<(outs), (ins addrmode_imm12:$addr), AddrMode_i12, MiscFrm,
2054 IIC_Preload, !strconcat(opc, "\t$addr"),
2055 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]>,
2056 Sched<[WritePreLd]> {
2059 let Inst{31-26} = 0b111101;
2060 let Inst{25} = 0; // 0 for immediate form
2061 let Inst{24} = data;
2062 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2063 let Inst{22} = read;
2064 let Inst{21-20} = 0b01;
2065 let Inst{19-16} = addr{16-13}; // Rn
2066 let Inst{15-12} = 0b1111;
2067 let Inst{11-0} = addr{11-0}; // imm12
2070 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
2071 !strconcat(opc, "\t$shift"),
2072 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]>,
2073 Sched<[WritePreLd]> {
2075 let Inst{31-26} = 0b111101;
2076 let Inst{25} = 1; // 1 for register form
2077 let Inst{24} = data;
2078 let Inst{23} = shift{12}; // U (add = ('U' == 1))
2079 let Inst{22} = read;
2080 let Inst{21-20} = 0b01;
2081 let Inst{19-16} = shift{16-13}; // Rn
2082 let Inst{15-12} = 0b1111;
2083 let Inst{11-0} = shift{11-0};
2088 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
2089 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
2090 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
2092 def SETEND : AXI<(outs), (ins setend_op:$end), MiscFrm, NoItinerary,
2093 "setend\t$end", []>, Requires<[IsARM]>, Deprecated<HasV8Ops> {
2095 let Inst{31-10} = 0b1111000100000001000000;
2100 def DBG : AI<(outs), (ins imm0_15:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
2101 [(int_arm_dbg imm0_15:$opt)]>, Requires<[IsARM, HasV7]> {
2103 let Inst{27-4} = 0b001100100000111100001111;
2104 let Inst{3-0} = opt;
2107 // A8.8.247 UDF - Undefined (Encoding A1)
2108 def UDF : AInoP<(outs), (ins imm0_65535:$imm16), MiscFrm, NoItinerary,
2109 "udf", "\t$imm16", [(int_arm_undefined imm0_65535:$imm16)]> {
2111 let Inst{31-28} = 0b1110; // AL
2112 let Inst{27-25} = 0b011;
2113 let Inst{24-20} = 0b11111;
2114 let Inst{19-8} = imm16{15-4};
2115 let Inst{7-4} = 0b1111;
2116 let Inst{3-0} = imm16{3-0};
2120 * A5.4 Permanently UNDEFINED instructions.
2122 * For most targets use UDF #65006, for which the OS will generate SIGTRAP.
2123 * Other UDF encodings generate SIGILL.
2125 * NaCl's OS instead chooses an ARM UDF encoding that's also a UDF in Thumb.
2127 * 1110 0111 1111 iiii iiii iiii 1111 iiii
2129 * 1101 1110 iiii iiii
2130 * It uses the following encoding:
2131 * 1110 0111 1111 1110 1101 1110 1111 0000
2132 * - In ARM: UDF #60896;
2133 * - In Thumb: UDF #254 followed by a branch-to-self.
2135 let isBarrier = 1, isTerminator = 1 in
2136 def TRAPNaCl : AXI<(outs), (ins), MiscFrm, NoItinerary,
2138 Requires<[IsARM,UseNaClTrap]> {
2139 let Inst = 0xe7fedef0;
2141 let isBarrier = 1, isTerminator = 1 in
2142 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
2144 Requires<[IsARM,DontUseNaClTrap]> {
2145 let Inst = 0xe7ffdefe;
2148 // Address computation and loads and stores in PIC mode.
2149 let isNotDuplicable = 1 in {
2150 def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
2152 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>,
2153 Sched<[WriteALU, ReadALU]>;
2155 let AddedComplexity = 10 in {
2156 def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
2158 [(set GPR:$dst, (load addrmodepc:$addr))]>;
2160 def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2162 [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
2164 def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2166 [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
2168 def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2170 [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
2172 def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
2174 [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
2176 let AddedComplexity = 10 in {
2177 def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2178 4, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
2180 def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2181 4, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
2182 addrmodepc:$addr)]>;
2184 def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
2185 4, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
2187 } // isNotDuplicable = 1
2190 // LEApcrel - Load a pc-relative address into a register without offending the
2192 let hasSideEffects = 0, isReMaterializable = 1 in
2193 // The 'adr' mnemonic encodes differently if the label is before or after
2194 // the instruction. The {24-21} opcode bits are set by the fixup, as we don't
2195 // know until then which form of the instruction will be used.
2196 def ADR : AI1<{0,?,?,0}, (outs GPR:$Rd), (ins adrlabel:$label),
2197 MiscFrm, IIC_iALUi, "adr", "\t$Rd, $label", []>,
2198 Sched<[WriteALU, ReadALU]> {
2201 let Inst{27-25} = 0b001;
2203 let Inst{23-22} = label{13-12};
2206 let Inst{19-16} = 0b1111;
2207 let Inst{15-12} = Rd;
2208 let Inst{11-0} = label{11-0};
2211 let hasSideEffects = 1 in {
2212 def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
2213 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2215 def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
2216 (ins i32imm:$label, pred:$p),
2217 4, IIC_iALUi, []>, Sched<[WriteALU, ReadALU]>;
2220 //===----------------------------------------------------------------------===//
2221 // Control Flow Instructions.
2224 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
2226 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2227 "bx", "\tlr", [(ARMretflag)]>,
2228 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2229 let Inst{27-0} = 0b0001001011111111111100011110;
2233 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
2234 "mov", "\tpc, lr", [(ARMretflag)]>,
2235 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]> {
2236 let Inst{27-0} = 0b0001101000001111000000001110;
2239 // Exception return: N.b. doesn't set CPSR as far as we're concerned (it sets
2240 // the user-space one).
2241 def SUBS_PC_LR : ARMPseudoInst<(outs), (ins i32imm:$offset, pred:$p),
2243 [(ARMintretflag imm:$offset)]>;
2246 // Indirect branches
2247 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
2249 def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
2250 [(brind GPR:$dst)]>,
2251 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2253 let Inst{31-4} = 0b1110000100101111111111110001;
2254 let Inst{3-0} = dst;
2257 def BX_pred : AI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br,
2258 "bx", "\t$dst", [/* pattern left blank */]>,
2259 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]> {
2261 let Inst{27-4} = 0b000100101111111111110001;
2262 let Inst{3-0} = dst;
2266 // SP is marked as a use to prevent stack-pointer assignments that appear
2267 // immediately before calls from potentially appearing dead.
2269 // FIXME: Do we really need a non-predicated version? If so, it should
2270 // at least be a pseudo instruction expanding to the predicated version
2271 // at MC lowering time.
2272 Defs = [LR], Uses = [SP] in {
2273 def BL : ABXI<0b1011, (outs), (ins arm_bl_target:$func),
2274 IIC_Br, "bl\t$func",
2275 [(ARMcall tglobaladdr:$func)]>,
2276 Requires<[IsARM]>, Sched<[WriteBrL]> {
2277 let Inst{31-28} = 0b1110;
2279 let Inst{23-0} = func;
2280 let DecoderMethod = "DecodeBranchImmInstruction";
2283 def BL_pred : ABI<0b1011, (outs), (ins arm_bl_target:$func),
2284 IIC_Br, "bl", "\t$func",
2285 [(ARMcall_pred tglobaladdr:$func)]>,
2286 Requires<[IsARM]>, Sched<[WriteBrL]> {
2288 let Inst{23-0} = func;
2289 let DecoderMethod = "DecodeBranchImmInstruction";
2293 def BLX : AXI<(outs), (ins GPR:$func), BrMiscFrm,
2294 IIC_Br, "blx\t$func",
2295 [(ARMcall GPR:$func)]>,
2296 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2298 let Inst{31-4} = 0b1110000100101111111111110011;
2299 let Inst{3-0} = func;
2302 def BLX_pred : AI<(outs), (ins GPR:$func), BrMiscFrm,
2303 IIC_Br, "blx", "\t$func",
2304 [(ARMcall_pred GPR:$func)]>,
2305 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2307 let Inst{27-4} = 0b000100101111111111110011;
2308 let Inst{3-0} = func;
2312 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
2313 def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2314 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2315 Requires<[IsARM, HasV4T]>, Sched<[WriteBr]>;
2318 def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func),
2319 8, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
2320 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
2322 // mov lr, pc; b if callee is marked noreturn to avoid confusing the
2323 // return stack predictor.
2324 def BMOVPCB_CALL : ARMPseudoInst<(outs), (ins arm_bl_target:$func),
2325 8, IIC_Br, [(ARMcall_nolink tglobaladdr:$func)]>,
2326 Requires<[IsARM]>, Sched<[WriteBr]>;
2329 let isBranch = 1, isTerminator = 1 in {
2330 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
2331 // a two-value operand where a dag node expects two operands. :(
2332 def Bcc : ABI<0b1010, (outs), (ins arm_br_target:$target),
2333 IIC_Br, "b", "\t$target",
2334 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>,
2337 let Inst{23-0} = target;
2338 let DecoderMethod = "DecodeBranchImmInstruction";
2341 let isBarrier = 1 in {
2342 // B is "predicable" since it's just a Bcc with an 'always' condition.
2343 let isPredicable = 1 in
2344 // FIXME: We shouldn't need this pseudo at all. Just using Bcc directly
2345 // should be sufficient.
2346 // FIXME: Is B really a Barrier? That doesn't seem right.
2347 def B : ARMPseudoExpand<(outs), (ins arm_br_target:$target), 4, IIC_Br,
2348 [(br bb:$target)], (Bcc arm_br_target:$target,
2349 (ops 14, zero_reg))>,
2352 let Size = 4, isNotDuplicable = 1, isIndirectBranch = 1 in {
2353 def BR_JTr : ARMPseudoInst<(outs),
2354 (ins GPR:$target, i32imm:$jt),
2356 [(ARMbrjt GPR:$target, tjumptable:$jt)]>,
2358 // FIXME: This shouldn't use the generic "addrmode2," but rather be split
2359 // into i12 and rs suffixed versions.
2360 def BR_JTm : ARMPseudoInst<(outs),
2361 (ins addrmode2:$target, i32imm:$jt),
2363 [(ARMbrjt (i32 (load addrmode2:$target)),
2364 tjumptable:$jt)]>, Sched<[WriteBrTbl]>;
2365 def BR_JTadd : ARMPseudoInst<(outs),
2366 (ins GPR:$target, GPR:$idx, i32imm:$jt),
2368 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt)]>,
2369 Sched<[WriteBrTbl]>;
2370 } // isNotDuplicable = 1, isIndirectBranch = 1
2376 def BLXi : AXI<(outs), (ins arm_blx_target:$target), BrMiscFrm, NoItinerary,
2377 "blx\t$target", []>,
2378 Requires<[IsARM, HasV5T]>, Sched<[WriteBrL]> {
2379 let Inst{31-25} = 0b1111101;
2381 let Inst{23-0} = target{24-1};
2382 let Inst{24} = target{0};
2386 // Branch and Exchange Jazelle
2387 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
2388 [/* pattern left blank */]>, Sched<[WriteBr]> {
2390 let Inst{23-20} = 0b0010;
2391 let Inst{19-8} = 0xfff;
2392 let Inst{7-4} = 0b0010;
2393 let Inst{3-0} = func;
2399 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, Uses = [SP] in {
2400 def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst), IIC_Br, []>,
2403 def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst), IIC_Br, []>,
2406 def TAILJMPd : ARMPseudoExpand<(outs), (ins arm_br_target:$dst),
2408 (Bcc arm_br_target:$dst, (ops 14, zero_reg))>,
2409 Requires<[IsARM]>, Sched<[WriteBr]>;
2411 def TAILJMPr : ARMPseudoExpand<(outs), (ins tcGPR:$dst),
2413 (BX GPR:$dst)>, Sched<[WriteBr]>,
2417 // Secure Monitor Call is a system instruction.
2418 def SMC : ABI<0b0001, (outs), (ins imm0_15:$opt), NoItinerary, "smc", "\t$opt",
2419 []>, Requires<[IsARM, HasTrustZone]> {
2421 let Inst{23-4} = 0b01100000000000000111;
2422 let Inst{3-0} = opt;
2424 def : MnemonicAlias<"smi", "smc">;
2426 // Supervisor Call (Software Interrupt)
2427 let isCall = 1, Uses = [SP] in {
2428 def SVC : ABI<0b1111, (outs), (ins imm24b:$svc), IIC_Br, "svc", "\t$svc", []>,
2431 let Inst{23-0} = svc;
2435 // Store Return State
2436 class SRSI<bit wb, string asm>
2437 : XI<(outs), (ins imm0_31:$mode), AddrModeNone, 4, IndexModeNone, BrFrm,
2438 NoItinerary, asm, "", []> {
2440 let Inst{31-28} = 0b1111;
2441 let Inst{27-25} = 0b100;
2445 let Inst{19-16} = 0b1101; // SP
2446 let Inst{15-5} = 0b00000101000;
2447 let Inst{4-0} = mode;
2450 def SRSDA : SRSI<0, "srsda\tsp, $mode"> {
2451 let Inst{24-23} = 0;
2453 def SRSDA_UPD : SRSI<1, "srsda\tsp!, $mode"> {
2454 let Inst{24-23} = 0;
2456 def SRSDB : SRSI<0, "srsdb\tsp, $mode"> {
2457 let Inst{24-23} = 0b10;
2459 def SRSDB_UPD : SRSI<1, "srsdb\tsp!, $mode"> {
2460 let Inst{24-23} = 0b10;
2462 def SRSIA : SRSI<0, "srsia\tsp, $mode"> {
2463 let Inst{24-23} = 0b01;
2465 def SRSIA_UPD : SRSI<1, "srsia\tsp!, $mode"> {
2466 let Inst{24-23} = 0b01;
2468 def SRSIB : SRSI<0, "srsib\tsp, $mode"> {
2469 let Inst{24-23} = 0b11;
2471 def SRSIB_UPD : SRSI<1, "srsib\tsp!, $mode"> {
2472 let Inst{24-23} = 0b11;
2475 def : ARMInstAlias<"srsda $mode", (SRSDA imm0_31:$mode)>;
2476 def : ARMInstAlias<"srsda $mode!", (SRSDA_UPD imm0_31:$mode)>;
2478 def : ARMInstAlias<"srsdb $mode", (SRSDB imm0_31:$mode)>;
2479 def : ARMInstAlias<"srsdb $mode!", (SRSDB_UPD imm0_31:$mode)>;
2481 def : ARMInstAlias<"srsia $mode", (SRSIA imm0_31:$mode)>;
2482 def : ARMInstAlias<"srsia $mode!", (SRSIA_UPD imm0_31:$mode)>;
2484 def : ARMInstAlias<"srsib $mode", (SRSIB imm0_31:$mode)>;
2485 def : ARMInstAlias<"srsib $mode!", (SRSIB_UPD imm0_31:$mode)>;
2487 // Return From Exception
2488 class RFEI<bit wb, string asm>
2489 : XI<(outs), (ins GPR:$Rn), AddrModeNone, 4, IndexModeNone, BrFrm,
2490 NoItinerary, asm, "", []> {
2492 let Inst{31-28} = 0b1111;
2493 let Inst{27-25} = 0b100;
2497 let Inst{19-16} = Rn;
2498 let Inst{15-0} = 0xa00;
2501 def RFEDA : RFEI<0, "rfeda\t$Rn"> {
2502 let Inst{24-23} = 0;
2504 def RFEDA_UPD : RFEI<1, "rfeda\t$Rn!"> {
2505 let Inst{24-23} = 0;
2507 def RFEDB : RFEI<0, "rfedb\t$Rn"> {
2508 let Inst{24-23} = 0b10;
2510 def RFEDB_UPD : RFEI<1, "rfedb\t$Rn!"> {
2511 let Inst{24-23} = 0b10;
2513 def RFEIA : RFEI<0, "rfeia\t$Rn"> {
2514 let Inst{24-23} = 0b01;
2516 def RFEIA_UPD : RFEI<1, "rfeia\t$Rn!"> {
2517 let Inst{24-23} = 0b01;
2519 def RFEIB : RFEI<0, "rfeib\t$Rn"> {
2520 let Inst{24-23} = 0b11;
2522 def RFEIB_UPD : RFEI<1, "rfeib\t$Rn!"> {
2523 let Inst{24-23} = 0b11;
2526 // Hypervisor Call is a system instruction
2528 def HVC : AInoP< (outs), (ins imm0_65535:$imm), BrFrm, NoItinerary,
2529 "hvc", "\t$imm", []>,
2530 Requires<[IsARM, HasVirtualization]> {
2533 // Even though HVC isn't predicable, it's encoding includes a condition field.
2534 // The instruction is undefined if the condition field is 0xf otherwise it is
2535 // unpredictable if it isn't condition AL (0xe).
2536 let Inst{31-28} = 0b1110;
2537 let Unpredictable{31-28} = 0b1111;
2538 let Inst{27-24} = 0b0001;
2539 let Inst{23-20} = 0b0100;
2540 let Inst{19-8} = imm{15-4};
2541 let Inst{7-4} = 0b0111;
2542 let Inst{3-0} = imm{3-0};
2546 // Return from exception in Hypervisor mode.
2547 let isReturn = 1, isBarrier = 1, isTerminator = 1, Defs = [PC] in
2548 def ERET : ABI<0b0001, (outs), (ins), NoItinerary, "eret", "", []>,
2549 Requires<[IsARM, HasVirtualization]> {
2550 let Inst{23-0} = 0b011000000000000001101110;
2553 //===----------------------------------------------------------------------===//
2554 // Load / Store Instructions.
2560 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si, load>;
2561 defm LDRB : AI_ldr1nopc<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
2563 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si, store>;
2564 defm STRB : AI_str1nopc<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
2567 // Special LDR for loads from non-pc-relative constpools.
2568 let canFoldAsLoad = 1, mayLoad = 1, hasSideEffects = 0,
2569 isReMaterializable = 1, isCodeGenOnly = 1 in
2570 def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
2571 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
2575 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2576 let Inst{19-16} = 0b1111;
2577 let Inst{15-12} = Rt;
2578 let Inst{11-0} = addr{11-0}; // imm12
2581 // Loads with zero extension
2582 def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2583 IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
2584 [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
2586 // Loads with sign extension
2587 def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2588 IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
2589 [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
2591 def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
2592 IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
2593 [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
2595 let mayLoad = 1, hasSideEffects = 0, hasExtraDefRegAllocReq = 1 in {
2597 def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rt, GPR:$Rt2), (ins addrmode3:$addr),
2598 LdMiscFrm, IIC_iLoad_d_r, "ldrd", "\t$Rt, $Rt2, $addr", []>,
2599 Requires<[IsARM, HasV5TE]>;
2602 def LDA : AIldracq<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2603 NoItinerary, "lda", "\t$Rt, $addr", []>;
2604 def LDAB : AIldracq<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2605 NoItinerary, "ldab", "\t$Rt, $addr", []>;
2606 def LDAH : AIldracq<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
2607 NoItinerary, "ldah", "\t$Rt, $addr", []>;
2610 multiclass AI2_ldridx<bit isByte, string opc,
2611 InstrItinClass iii, InstrItinClass iir> {
2612 def _PRE_IMM : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2613 (ins addrmode_imm12_pre:$addr), IndexModePre, LdFrm, iii,
2614 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2617 let Inst{23} = addr{12};
2618 let Inst{19-16} = addr{16-13};
2619 let Inst{11-0} = addr{11-0};
2620 let DecoderMethod = "DecodeLDRPreImm";
2623 def _PRE_REG : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2624 (ins ldst_so_reg:$addr), IndexModePre, LdFrm, iir,
2625 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2628 let Inst{23} = addr{12};
2629 let Inst{19-16} = addr{16-13};
2630 let Inst{11-0} = addr{11-0};
2632 let DecoderMethod = "DecodeLDRPreReg";
2635 def _POST_REG : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2636 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2637 IndexModePost, LdFrm, iir,
2638 opc, "\t$Rt, $addr, $offset",
2639 "$addr.base = $Rn_wb", []> {
2645 let Inst{23} = offset{12};
2646 let Inst{19-16} = addr;
2647 let Inst{11-0} = offset{11-0};
2650 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2653 def _POST_IMM : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2654 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2655 IndexModePost, LdFrm, iii,
2656 opc, "\t$Rt, $addr, $offset",
2657 "$addr.base = $Rn_wb", []> {
2663 let Inst{23} = offset{12};
2664 let Inst{19-16} = addr;
2665 let Inst{11-0} = offset{11-0};
2667 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2672 let mayLoad = 1, hasSideEffects = 0 in {
2673 // FIXME: for LDR_PRE_REG etc. the itineray should be either IIC_iLoad_ru or
2674 // IIC_iLoad_siu depending on whether it the offset register is shifted.
2675 defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_iu, IIC_iLoad_ru>;
2676 defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_iu, IIC_iLoad_bh_ru>;
2679 multiclass AI3_ldridx<bits<4> op, string opc, InstrItinClass itin> {
2680 def _PRE : AI3ldstidx<op, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
2681 (ins addrmode3_pre:$addr), IndexModePre,
2683 opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
2685 let Inst{23} = addr{8}; // U bit
2686 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2687 let Inst{19-16} = addr{12-9}; // Rn
2688 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2689 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2690 let DecoderMethod = "DecodeAddrMode3Instruction";
2692 def _POST : AI3ldstidx<op, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2693 (ins addr_offset_none:$addr, am3offset:$offset),
2694 IndexModePost, LdMiscFrm, itin,
2695 opc, "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb",
2699 let Inst{23} = offset{8}; // U bit
2700 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2701 let Inst{19-16} = addr;
2702 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2703 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2704 let DecoderMethod = "DecodeAddrMode3Instruction";
2708 let mayLoad = 1, hasSideEffects = 0 in {
2709 defm LDRH : AI3_ldridx<0b1011, "ldrh", IIC_iLoad_bh_ru>;
2710 defm LDRSH : AI3_ldridx<0b1111, "ldrsh", IIC_iLoad_bh_ru>;
2711 defm LDRSB : AI3_ldridx<0b1101, "ldrsb", IIC_iLoad_bh_ru>;
2712 let hasExtraDefRegAllocReq = 1 in {
2713 def LDRD_PRE : AI3ldstidx<0b1101, 0, 1, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2714 (ins addrmode3_pre:$addr), IndexModePre,
2715 LdMiscFrm, IIC_iLoad_d_ru,
2716 "ldrd", "\t$Rt, $Rt2, $addr!",
2717 "$addr.base = $Rn_wb", []> {
2719 let Inst{23} = addr{8}; // U bit
2720 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
2721 let Inst{19-16} = addr{12-9}; // Rn
2722 let Inst{11-8} = addr{7-4}; // imm7_4/zero
2723 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
2724 let DecoderMethod = "DecodeAddrMode3Instruction";
2726 def LDRD_POST: AI3ldstidx<0b1101, 0, 0, (outs GPR:$Rt, GPR:$Rt2, GPR:$Rn_wb),
2727 (ins addr_offset_none:$addr, am3offset:$offset),
2728 IndexModePost, LdMiscFrm, IIC_iLoad_d_ru,
2729 "ldrd", "\t$Rt, $Rt2, $addr, $offset",
2730 "$addr.base = $Rn_wb", []> {
2733 let Inst{23} = offset{8}; // U bit
2734 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
2735 let Inst{19-16} = addr;
2736 let Inst{11-8} = offset{7-4}; // imm7_4/zero
2737 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
2738 let DecoderMethod = "DecodeAddrMode3Instruction";
2740 } // hasExtraDefRegAllocReq = 1
2741 } // mayLoad = 1, hasSideEffects = 0
2743 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT.
2744 let mayLoad = 1, hasSideEffects = 0 in {
2745 def LDRT_POST_REG : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2746 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2747 IndexModePost, LdFrm, IIC_iLoad_ru,
2748 "ldrt", "\t$Rt, $addr, $offset",
2749 "$addr.base = $Rn_wb", []> {
2755 let Inst{23} = offset{12};
2756 let Inst{21} = 1; // overwrite
2757 let Inst{19-16} = addr;
2758 let Inst{11-5} = offset{11-5};
2760 let Inst{3-0} = offset{3-0};
2761 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2765 : AI2ldstidx<1, 0, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2766 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2767 IndexModePost, LdFrm, IIC_iLoad_ru,
2768 "ldrt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2774 let Inst{23} = offset{12};
2775 let Inst{21} = 1; // overwrite
2776 let Inst{19-16} = addr;
2777 let Inst{11-0} = offset{11-0};
2778 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2781 def LDRBT_POST_REG : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2782 (ins addr_offset_none:$addr, am2offset_reg:$offset),
2783 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2784 "ldrbt", "\t$Rt, $addr, $offset",
2785 "$addr.base = $Rn_wb", []> {
2791 let Inst{23} = offset{12};
2792 let Inst{21} = 1; // overwrite
2793 let Inst{19-16} = addr;
2794 let Inst{11-5} = offset{11-5};
2796 let Inst{3-0} = offset{3-0};
2797 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2801 : AI2ldstidx<1, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
2802 (ins addr_offset_none:$addr, am2offset_imm:$offset),
2803 IndexModePost, LdFrm, IIC_iLoad_bh_ru,
2804 "ldrbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
2810 let Inst{23} = offset{12};
2811 let Inst{21} = 1; // overwrite
2812 let Inst{19-16} = addr;
2813 let Inst{11-0} = offset{11-0};
2814 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2817 multiclass AI3ldrT<bits<4> op, string opc> {
2818 def i : AI3ldstidxT<op, 1, (outs GPR:$Rt, GPR:$base_wb),
2819 (ins addr_offset_none:$addr, postidx_imm8:$offset),
2820 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2821 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
2823 let Inst{23} = offset{8};
2825 let Inst{11-8} = offset{7-4};
2826 let Inst{3-0} = offset{3-0};
2828 def r : AI3ldstidxT<op, 1, (outs GPRnopc:$Rt, GPRnopc:$base_wb),
2829 (ins addr_offset_none:$addr, postidx_reg:$Rm),
2830 IndexModePost, LdMiscFrm, IIC_iLoad_bh_ru, opc,
2831 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
2833 let Inst{23} = Rm{4};
2836 let Unpredictable{11-8} = 0b1111;
2837 let Inst{3-0} = Rm{3-0};
2838 let DecoderMethod = "DecodeLDR";
2842 defm LDRSBT : AI3ldrT<0b1101, "ldrsbt">;
2843 defm LDRHT : AI3ldrT<0b1011, "ldrht">;
2844 defm LDRSHT : AI3ldrT<0b1111, "ldrsht">;
2848 : ARMAsmPseudo<"ldrt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2852 : ARMAsmPseudo<"ldrbt${q} $Rt, $addr", (ins addr_offset_none:$addr, pred:$q),
2855 // Pseudo instruction ldr Rt, =immediate
2857 : ARMAsmPseudo<"ldr${q} $Rt, $immediate",
2858 (ins const_pool_asm_imm:$immediate, pred:$q),
2863 // Stores with truncate
2864 def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
2865 IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
2866 [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
2869 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
2870 def STRD : AI3str<0b1111, (outs), (ins GPR:$Rt, GPR:$Rt2, addrmode3:$addr),
2871 StMiscFrm, IIC_iStore_d_r, "strd", "\t$Rt, $Rt2, $addr", []>,
2872 Requires<[IsARM, HasV5TE]> {
2878 multiclass AI2_stridx<bit isByte, string opc,
2879 InstrItinClass iii, InstrItinClass iir> {
2880 def _PRE_IMM : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2881 (ins GPR:$Rt, addrmode_imm12_pre:$addr), IndexModePre,
2883 opc, "\t$Rt, $addr!",
2884 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2887 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2888 let Inst{19-16} = addr{16-13}; // Rn
2889 let Inst{11-0} = addr{11-0}; // imm12
2890 let DecoderMethod = "DecodeSTRPreImm";
2893 def _PRE_REG : AI2ldstidx<0, isByte, 1, (outs GPR:$Rn_wb),
2894 (ins GPR:$Rt, ldst_so_reg:$addr),
2895 IndexModePre, StFrm, iir,
2896 opc, "\t$Rt, $addr!",
2897 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2900 let Inst{23} = addr{12}; // U (add = ('U' == 1))
2901 let Inst{19-16} = addr{16-13}; // Rn
2902 let Inst{11-0} = addr{11-0};
2903 let Inst{4} = 0; // Inst{4} = 0
2904 let DecoderMethod = "DecodeSTRPreReg";
2906 def _POST_REG : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2907 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
2908 IndexModePost, StFrm, iir,
2909 opc, "\t$Rt, $addr, $offset",
2910 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2916 let Inst{23} = offset{12};
2917 let Inst{19-16} = addr;
2918 let Inst{11-0} = offset{11-0};
2921 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2924 def _POST_IMM : AI2ldstidx<0, isByte, 0, (outs GPR:$Rn_wb),
2925 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
2926 IndexModePost, StFrm, iii,
2927 opc, "\t$Rt, $addr, $offset",
2928 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
2934 let Inst{23} = offset{12};
2935 let Inst{19-16} = addr;
2936 let Inst{11-0} = offset{11-0};
2938 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
2942 let mayStore = 1, hasSideEffects = 0 in {
2943 // FIXME: for STR_PRE_REG etc. the itineray should be either IIC_iStore_ru or
2944 // IIC_iStore_siu depending on whether it the offset register is shifted.
2945 defm STR : AI2_stridx<0, "str", IIC_iStore_iu, IIC_iStore_ru>;
2946 defm STRB : AI2_stridx<1, "strb", IIC_iStore_bh_iu, IIC_iStore_bh_ru>;
2949 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2950 am2offset_reg:$offset),
2951 (STR_POST_REG GPR:$Rt, addr_offset_none:$addr,
2952 am2offset_reg:$offset)>;
2953 def : ARMPat<(post_store GPR:$Rt, addr_offset_none:$addr,
2954 am2offset_imm:$offset),
2955 (STR_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2956 am2offset_imm:$offset)>;
2957 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2958 am2offset_reg:$offset),
2959 (STRB_POST_REG GPR:$Rt, addr_offset_none:$addr,
2960 am2offset_reg:$offset)>;
2961 def : ARMPat<(post_truncsti8 GPR:$Rt, addr_offset_none:$addr,
2962 am2offset_imm:$offset),
2963 (STRB_POST_IMM GPR:$Rt, addr_offset_none:$addr,
2964 am2offset_imm:$offset)>;
2966 // Pseudo-instructions for pattern matching the pre-indexed stores. We can't
2967 // put the patterns on the instruction definitions directly as ISel wants
2968 // the address base and offset to be separate operands, not a single
2969 // complex operand like we represent the instructions themselves. The
2970 // pseudos map between the two.
2971 let usesCustomInserter = 1,
2972 Constraints = "$Rn = $Rn_wb,@earlyclobber $Rn_wb" in {
2973 def STRi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2974 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2977 (pre_store GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2978 def STRr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2979 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2982 (pre_store GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2983 def STRBi_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2984 (ins GPR:$Rt, GPR:$Rn, am2offset_imm:$offset, pred:$p),
2987 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_imm:$offset))]>;
2988 def STRBr_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2989 (ins GPR:$Rt, GPR:$Rn, am2offset_reg:$offset, pred:$p),
2992 (pre_truncsti8 GPR:$Rt, GPR:$Rn, am2offset_reg:$offset))]>;
2993 def STRH_preidx: ARMPseudoInst<(outs GPR:$Rn_wb),
2994 (ins GPR:$Rt, GPR:$Rn, am3offset:$offset, pred:$p),
2997 (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
3002 def STRH_PRE : AI3ldstidx<0b1011, 0, 1, (outs GPR:$Rn_wb),
3003 (ins GPR:$Rt, addrmode3_pre:$addr), IndexModePre,
3004 StMiscFrm, IIC_iStore_bh_ru,
3005 "strh", "\t$Rt, $addr!",
3006 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb", []> {
3008 let Inst{23} = addr{8}; // U bit
3009 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3010 let Inst{19-16} = addr{12-9}; // Rn
3011 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3012 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3013 let DecoderMethod = "DecodeAddrMode3Instruction";
3016 def STRH_POST : AI3ldstidx<0b1011, 0, 0, (outs GPR:$Rn_wb),
3017 (ins GPR:$Rt, addr_offset_none:$addr, am3offset:$offset),
3018 IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
3019 "strh", "\t$Rt, $addr, $offset",
3020 "$addr.base = $Rn_wb,@earlyclobber $Rn_wb",
3021 [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
3022 addr_offset_none:$addr,
3023 am3offset:$offset))]> {
3026 let Inst{23} = offset{8}; // U bit
3027 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3028 let Inst{19-16} = addr;
3029 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3030 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3031 let DecoderMethod = "DecodeAddrMode3Instruction";
3034 let mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1 in {
3035 def STRD_PRE : AI3ldstidx<0b1111, 0, 1, (outs GPR:$Rn_wb),
3036 (ins GPR:$Rt, GPR:$Rt2, addrmode3_pre:$addr),
3037 IndexModePre, StMiscFrm, IIC_iStore_d_ru,
3038 "strd", "\t$Rt, $Rt2, $addr!",
3039 "$addr.base = $Rn_wb", []> {
3041 let Inst{23} = addr{8}; // U bit
3042 let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
3043 let Inst{19-16} = addr{12-9}; // Rn
3044 let Inst{11-8} = addr{7-4}; // imm7_4/zero
3045 let Inst{3-0} = addr{3-0}; // imm3_0/Rm
3046 let DecoderMethod = "DecodeAddrMode3Instruction";
3049 def STRD_POST: AI3ldstidx<0b1111, 0, 0, (outs GPR:$Rn_wb),
3050 (ins GPR:$Rt, GPR:$Rt2, addr_offset_none:$addr,
3052 IndexModePost, StMiscFrm, IIC_iStore_d_ru,
3053 "strd", "\t$Rt, $Rt2, $addr, $offset",
3054 "$addr.base = $Rn_wb", []> {
3057 let Inst{23} = offset{8}; // U bit
3058 let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
3059 let Inst{19-16} = addr;
3060 let Inst{11-8} = offset{7-4}; // imm7_4/zero
3061 let Inst{3-0} = offset{3-0}; // imm3_0/Rm
3062 let DecoderMethod = "DecodeAddrMode3Instruction";
3064 } // mayStore = 1, hasSideEffects = 0, hasExtraSrcRegAllocReq = 1
3066 // STRT, STRBT, and STRHT
3068 def STRBT_POST_REG : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3069 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3070 IndexModePost, StFrm, IIC_iStore_bh_ru,
3071 "strbt", "\t$Rt, $addr, $offset",
3072 "$addr.base = $Rn_wb", []> {
3078 let Inst{23} = offset{12};
3079 let Inst{21} = 1; // overwrite
3080 let Inst{19-16} = addr;
3081 let Inst{11-5} = offset{11-5};
3083 let Inst{3-0} = offset{3-0};
3084 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3088 : AI2ldstidx<0, 1, 0, (outs GPR:$Rn_wb),
3089 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3090 IndexModePost, StFrm, IIC_iStore_bh_ru,
3091 "strbt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3097 let Inst{23} = offset{12};
3098 let Inst{21} = 1; // overwrite
3099 let Inst{19-16} = addr;
3100 let Inst{11-0} = offset{11-0};
3101 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3105 : ARMAsmPseudo<"strbt${q} $Rt, $addr",
3106 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3108 let mayStore = 1, hasSideEffects = 0 in {
3109 def STRT_POST_REG : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3110 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_reg:$offset),
3111 IndexModePost, StFrm, IIC_iStore_ru,
3112 "strt", "\t$Rt, $addr, $offset",
3113 "$addr.base = $Rn_wb", []> {
3119 let Inst{23} = offset{12};
3120 let Inst{21} = 1; // overwrite
3121 let Inst{19-16} = addr;
3122 let Inst{11-5} = offset{11-5};
3124 let Inst{3-0} = offset{3-0};
3125 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3129 : AI2ldstidx<0, 0, 0, (outs GPR:$Rn_wb),
3130 (ins GPR:$Rt, addr_offset_none:$addr, am2offset_imm:$offset),
3131 IndexModePost, StFrm, IIC_iStore_ru,
3132 "strt", "\t$Rt, $addr, $offset", "$addr.base = $Rn_wb", []> {
3138 let Inst{23} = offset{12};
3139 let Inst{21} = 1; // overwrite
3140 let Inst{19-16} = addr;
3141 let Inst{11-0} = offset{11-0};
3142 let DecoderMethod = "DecodeAddrMode2IdxInstruction";
3147 : ARMAsmPseudo<"strt${q} $Rt, $addr",
3148 (ins GPR:$Rt, addr_offset_none:$addr, pred:$q)>;
3150 multiclass AI3strT<bits<4> op, string opc> {
3151 def i : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3152 (ins GPR:$Rt, addr_offset_none:$addr, postidx_imm8:$offset),
3153 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3154 "\t$Rt, $addr, $offset", "$addr.base = $base_wb", []> {
3156 let Inst{23} = offset{8};
3158 let Inst{11-8} = offset{7-4};
3159 let Inst{3-0} = offset{3-0};
3161 def r : AI3ldstidxT<op, 0, (outs GPR:$base_wb),
3162 (ins GPR:$Rt, addr_offset_none:$addr, postidx_reg:$Rm),
3163 IndexModePost, StMiscFrm, IIC_iStore_bh_ru, opc,
3164 "\t$Rt, $addr, $Rm", "$addr.base = $base_wb", []> {
3166 let Inst{23} = Rm{4};
3169 let Inst{3-0} = Rm{3-0};
3174 defm STRHT : AI3strT<0b1011, "strht">;
3176 def STL : AIstrrel<0b00, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3177 NoItinerary, "stl", "\t$Rt, $addr", []>;
3178 def STLB : AIstrrel<0b10, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3179 NoItinerary, "stlb", "\t$Rt, $addr", []>;
3180 def STLH : AIstrrel<0b11, (outs), (ins GPR:$Rt, addr_offset_none:$addr),
3181 NoItinerary, "stlh", "\t$Rt, $addr", []>;
3183 //===----------------------------------------------------------------------===//
3184 // Load / store multiple Instructions.
3187 multiclass arm_ldst_mult<string asm, string sfx, bit L_bit, bit P_bit, Format f,
3188 InstrItinClass itin, InstrItinClass itin_upd> {
3189 // IA is the default, so no need for an explicit suffix on the
3190 // mnemonic here. Without it is the canonical spelling.
3192 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3193 IndexModeNone, f, itin,
3194 !strconcat(asm, "${p}\t$Rn, $regs", sfx), "", []> {
3195 let Inst{24-23} = 0b01; // Increment After
3196 let Inst{22} = P_bit;
3197 let Inst{21} = 0; // No writeback
3198 let Inst{20} = L_bit;
3201 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3202 IndexModeUpd, f, itin_upd,
3203 !strconcat(asm, "${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3204 let Inst{24-23} = 0b01; // Increment After
3205 let Inst{22} = P_bit;
3206 let Inst{21} = 1; // Writeback
3207 let Inst{20} = L_bit;
3209 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3212 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3213 IndexModeNone, f, itin,
3214 !strconcat(asm, "da${p}\t$Rn, $regs", sfx), "", []> {
3215 let Inst{24-23} = 0b00; // Decrement After
3216 let Inst{22} = P_bit;
3217 let Inst{21} = 0; // No writeback
3218 let Inst{20} = L_bit;
3221 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3222 IndexModeUpd, f, itin_upd,
3223 !strconcat(asm, "da${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3224 let Inst{24-23} = 0b00; // Decrement After
3225 let Inst{22} = P_bit;
3226 let Inst{21} = 1; // Writeback
3227 let Inst{20} = L_bit;
3229 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3232 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3233 IndexModeNone, f, itin,
3234 !strconcat(asm, "db${p}\t$Rn, $regs", sfx), "", []> {
3235 let Inst{24-23} = 0b10; // Decrement Before
3236 let Inst{22} = P_bit;
3237 let Inst{21} = 0; // No writeback
3238 let Inst{20} = L_bit;
3241 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3242 IndexModeUpd, f, itin_upd,
3243 !strconcat(asm, "db${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3244 let Inst{24-23} = 0b10; // Decrement Before
3245 let Inst{22} = P_bit;
3246 let Inst{21} = 1; // Writeback
3247 let Inst{20} = L_bit;
3249 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3252 AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3253 IndexModeNone, f, itin,
3254 !strconcat(asm, "ib${p}\t$Rn, $regs", sfx), "", []> {
3255 let Inst{24-23} = 0b11; // Increment Before
3256 let Inst{22} = P_bit;
3257 let Inst{21} = 0; // No writeback
3258 let Inst{20} = L_bit;
3261 AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
3262 IndexModeUpd, f, itin_upd,
3263 !strconcat(asm, "ib${p}\t$Rn!, $regs", sfx), "$Rn = $wb", []> {
3264 let Inst{24-23} = 0b11; // Increment Before
3265 let Inst{22} = P_bit;
3266 let Inst{21} = 1; // Writeback
3267 let Inst{20} = L_bit;
3269 let DecoderMethod = "DecodeMemMultipleWritebackInstruction";
3273 let hasSideEffects = 0 in {
3275 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3276 defm LDM : arm_ldst_mult<"ldm", "", 1, 0, LdStMulFrm, IIC_iLoad_m,
3277 IIC_iLoad_mu>, ComplexDeprecationPredicate<"ARMLoad">;
3279 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3280 defm STM : arm_ldst_mult<"stm", "", 0, 0, LdStMulFrm, IIC_iStore_m,
3282 ComplexDeprecationPredicate<"ARMStore">;
3286 // FIXME: remove when we have a way to marking a MI with these properties.
3287 // FIXME: Should pc be an implicit operand like PICADD, etc?
3288 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
3289 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
3290 def LDMIA_RET : ARMPseudoExpand<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
3291 reglist:$regs, variable_ops),
3292 4, IIC_iLoad_mBr, [],
3293 (LDMIA_UPD GPR:$wb, GPR:$Rn, pred:$p, reglist:$regs)>,
3294 RegConstraint<"$Rn = $wb">;
3296 let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
3297 defm sysLDM : arm_ldst_mult<"ldm", " ^", 1, 1, LdStMulFrm, IIC_iLoad_m,
3300 let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
3301 defm sysSTM : arm_ldst_mult<"stm", " ^", 0, 1, LdStMulFrm, IIC_iStore_m,
3306 //===----------------------------------------------------------------------===//
3307 // Move Instructions.
3310 let hasSideEffects = 0 in
3311 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
3312 "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3316 let Inst{19-16} = 0b0000;
3317 let Inst{11-4} = 0b00000000;
3320 let Inst{15-12} = Rd;
3323 // A version for the smaller set of tail call registers.
3324 let hasSideEffects = 0 in
3325 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
3326 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP, Sched<[WriteALU]> {
3330 let Inst{11-4} = 0b00000000;
3333 let Inst{15-12} = Rd;
3336 def MOVsr : AsI1<0b1101, (outs GPRnopc:$Rd), (ins shift_so_reg_reg:$src),
3337 DPSoRegRegFrm, IIC_iMOVsr,
3338 "mov", "\t$Rd, $src",
3339 [(set GPRnopc:$Rd, shift_so_reg_reg:$src)]>, UnaryDP,
3343 let Inst{15-12} = Rd;
3344 let Inst{19-16} = 0b0000;
3345 let Inst{11-8} = src{11-8};
3347 let Inst{6-5} = src{6-5};
3349 let Inst{3-0} = src{3-0};
3353 def MOVsi : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg_imm:$src),
3354 DPSoRegImmFrm, IIC_iMOVsr,
3355 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg_imm:$src)]>,
3356 UnaryDP, Sched<[WriteALU]> {
3359 let Inst{15-12} = Rd;
3360 let Inst{19-16} = 0b0000;
3361 let Inst{11-5} = src{11-5};
3363 let Inst{3-0} = src{3-0};
3367 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3368 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm, IIC_iMOVi,
3369 "mov", "\t$Rd, $imm", [(set GPR:$Rd, mod_imm:$imm)]>, UnaryDP,
3374 let Inst{15-12} = Rd;
3375 let Inst{19-16} = 0b0000;
3376 let Inst{11-0} = imm;
3379 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3380 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins imm0_65535_expr:$imm),
3382 "movw", "\t$Rd, $imm",
3383 [(set GPR:$Rd, imm0_65535:$imm)]>,
3384 Requires<[IsARM, HasV6T2]>, UnaryDP, Sched<[WriteALU]> {
3387 let Inst{15-12} = Rd;
3388 let Inst{11-0} = imm{11-0};
3389 let Inst{19-16} = imm{15-12};
3392 let DecoderMethod = "DecodeArmMOVTWInstruction";
3395 def : InstAlias<"mov${p} $Rd, $imm",
3396 (MOVi16 GPR:$Rd, imm0_65535_expr:$imm, pred:$p), 0>,
3397 Requires<[IsARM, HasV6T2]>;
3399 def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3400 (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3403 let Constraints = "$src = $Rd" in {
3404 def MOVTi16 : AI1<0b1010, (outs GPRnopc:$Rd),
3405 (ins GPR:$src, imm0_65535_expr:$imm),
3407 "movt", "\t$Rd, $imm",
3409 (or (and GPR:$src, 0xffff),
3410 lo16AllZero:$imm))]>, UnaryDP,
3411 Requires<[IsARM, HasV6T2]>, Sched<[WriteALU]> {
3414 let Inst{15-12} = Rd;
3415 let Inst{11-0} = imm{11-0};
3416 let Inst{19-16} = imm{15-12};
3419 let DecoderMethod = "DecodeArmMOVTWInstruction";
3422 def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
3423 (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>,
3428 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
3429 Requires<[IsARM, HasV6T2]>;
3431 let Uses = [CPSR] in
3432 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
3433 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
3434 Requires<[IsARM]>, Sched<[WriteALU]>;
3436 // These aren't really mov instructions, but we have to define them this way
3437 // due to flag operands.
3439 let Defs = [CPSR] in {
3440 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3441 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
3442 Sched<[WriteALU]>, Requires<[IsARM]>;
3443 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
3444 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
3445 Sched<[WriteALU]>, Requires<[IsARM]>;
3448 //===----------------------------------------------------------------------===//
3449 // Extend Instructions.
3454 def SXTB : AI_ext_rrot<0b01101010,
3455 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
3456 def SXTH : AI_ext_rrot<0b01101011,
3457 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
3459 def SXTAB : AI_exta_rrot<0b01101010,
3460 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
3461 def SXTAH : AI_exta_rrot<0b01101011,
3462 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
3464 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, rot_imm:$rot), i8)),
3465 (SXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3466 def : ARMV6Pat<(add rGPR:$Rn, (sext_inreg (srl rGPR:$Rm, imm8_or_16:$rot),
3468 (SXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3470 def SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
3472 def SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
3476 let AddedComplexity = 16 in {
3477 def UXTB : AI_ext_rrot<0b01101110,
3478 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
3479 def UXTH : AI_ext_rrot<0b01101111,
3480 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
3481 def UXTB16 : AI_ext_rrot<0b01101100,
3482 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
3484 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
3485 // The transformation should probably be done as a combiner action
3486 // instead so we can include a check for masking back in the upper
3487 // eight bits of the source into the lower eight bits of the result.
3488 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
3489 // (UXTB16r_rot GPR:$Src, 3)>;
3490 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
3491 (UXTB16 GPR:$Src, 1)>;
3493 def UXTAB : AI_exta_rrot<0b01101110, "uxtab",
3494 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
3495 def UXTAH : AI_exta_rrot<0b01101111, "uxtah",
3496 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
3498 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, rot_imm:$rot), 0xFF)),
3499 (UXTAB rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3500 def : ARMV6Pat<(add rGPR:$Rn, (and (srl rGPR:$Rm, imm8_or_16:$rot), 0xFFFF)),
3501 (UXTAH rGPR:$Rn, rGPR:$Rm, rot_imm:$rot)>;
3504 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
3505 def UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
3508 def SBFX : I<(outs GPRnopc:$Rd),
3509 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3510 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3511 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3512 Requires<[IsARM, HasV6T2]> {
3517 let Inst{27-21} = 0b0111101;
3518 let Inst{6-4} = 0b101;
3519 let Inst{20-16} = width;
3520 let Inst{15-12} = Rd;
3521 let Inst{11-7} = lsb;
3525 def UBFX : I<(outs GPRnopc:$Rd),
3526 (ins GPRnopc:$Rn, imm0_31:$lsb, imm1_32:$width),
3527 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3528 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
3529 Requires<[IsARM, HasV6T2]> {
3534 let Inst{27-21} = 0b0111111;
3535 let Inst{6-4} = 0b101;
3536 let Inst{20-16} = width;
3537 let Inst{15-12} = Rd;
3538 let Inst{11-7} = lsb;
3542 //===----------------------------------------------------------------------===//
3543 // Arithmetic Instructions.
3547 defm ADD : AsI1_bin_irs<0b0100, "add",
3548 IIC_iALUi, IIC_iALUr, IIC_iALUsr, add, 1>;
3549 defm SUB : AsI1_bin_irs<0b0010, "sub",
3550 IIC_iALUi, IIC_iALUr, IIC_iALUsr, sub>;
3552 // ADD and SUB with 's' bit set.
3554 // Currently, ADDS/SUBS are pseudo opcodes that exist only in the
3555 // selection DAG. They are "lowered" to real ADD/SUB opcodes by
3556 // AdjustInstrPostInstrSelection where we determine whether or not to
3557 // set the "s" bit based on CPSR liveness.
3559 // FIXME: Eliminate ADDS/SUBS pseudo opcodes after adding tablegen
3560 // support for an optional CPSR definition that corresponds to the DAG
3561 // node's second value. We can then eliminate the implicit def of CPSR.
3563 defm ADDS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMaddc, 1>;
3564 defm SUBS : AsI1_bin_s_irs<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3567 defm ADC : AI1_adde_sube_irs<0b0101, "adc", ARMadde, 1>;
3568 defm SBC : AI1_adde_sube_irs<0b0110, "sbc", ARMsube>;
3570 defm RSB : AsI1_rbin_irs<0b0011, "rsb",
3571 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
3574 // FIXME: Eliminate them if we can write def : Pat patterns which defines
3575 // CPSR and the implicit def of CPSR is not needed.
3576 defm RSBS : AsI1_rbin_s_is<IIC_iALUi, IIC_iALUr, IIC_iALUsr, ARMsubc>;
3578 defm RSC : AI1_rsc_irs<0b0111, "rsc", ARMsube>;
3580 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
3581 // The assume-no-carry-in form uses the negation of the input since add/sub
3582 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
3583 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
3585 def : ARMPat<(add GPR:$src, mod_imm_neg:$imm),
3586 (SUBri GPR:$src, mod_imm_neg:$imm)>;
3587 def : ARMPat<(ARMaddc GPR:$src, mod_imm_neg:$imm),
3588 (SUBSri GPR:$src, mod_imm_neg:$imm)>;
3590 def : ARMPat<(add GPR:$src, imm0_65535_neg:$imm),
3591 (SUBrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3592 Requires<[IsARM, HasV6T2]>;
3593 def : ARMPat<(ARMaddc GPR:$src, imm0_65535_neg:$imm),
3594 (SUBSrr GPR:$src, (MOVi16 (imm_neg_XFORM imm:$imm)))>,
3595 Requires<[IsARM, HasV6T2]>;
3597 // The with-carry-in form matches bitwise not instead of the negation.
3598 // Effectively, the inverse interpretation of the carry flag already accounts
3599 // for part of the negation.
3600 def : ARMPat<(ARMadde GPR:$src, mod_imm_not:$imm, CPSR),
3601 (SBCri GPR:$src, mod_imm_not:$imm)>;
3602 def : ARMPat<(ARMadde GPR:$src, imm0_65535_neg:$imm, CPSR),
3603 (SBCrr GPR:$src, (MOVi16 (imm_not_XFORM imm:$imm)))>,
3604 Requires<[IsARM, HasV6T2]>;
3606 // Note: These are implemented in C++ code, because they have to generate
3607 // ADD/SUBrs instructions, which use a complex pattern that a xform function
3609 // (mul X, 2^n+1) -> (add (X << n), X)
3610 // (mul X, 2^n-1) -> (rsb X, (X << n))
3612 // ARM Arithmetic Instruction
3613 // GPR:$dst = GPR:$a op GPR:$b
3614 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
3615 list<dag> pattern = [],
3616 dag iops = (ins GPRnopc:$Rn, GPRnopc:$Rm),
3617 string asm = "\t$Rd, $Rn, $Rm">
3618 : AI<(outs GPRnopc:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern>,
3619 Sched<[WriteALU, ReadALU, ReadALU]> {
3623 let Inst{27-20} = op27_20;
3624 let Inst{11-4} = op11_4;
3625 let Inst{19-16} = Rn;
3626 let Inst{15-12} = Rd;
3629 let Unpredictable{11-8} = 0b1111;
3632 // Saturating add/subtract
3634 let DecoderMethod = "DecodeQADDInstruction" in
3635 def QADD : AAI<0b00010000, 0b00000101, "qadd",
3636 [(set GPRnopc:$Rd, (int_arm_qadd GPRnopc:$Rm, GPRnopc:$Rn))],
3637 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3639 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
3640 [(set GPRnopc:$Rd, (int_arm_qsub GPRnopc:$Rm, GPRnopc:$Rn))],
3641 (ins GPRnopc:$Rm, GPRnopc:$Rn), "\t$Rd, $Rm, $Rn">;
3642 def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [],
3643 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3645 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [],
3646 (ins GPRnopc:$Rm, GPRnopc:$Rn),
3649 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
3650 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
3651 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
3652 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
3653 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
3654 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
3655 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
3656 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
3657 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
3658 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
3659 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
3660 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
3662 // Signed/Unsigned add/subtract
3664 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
3665 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
3666 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
3667 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
3668 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
3669 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
3670 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
3671 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
3672 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
3673 def USAX : AAI<0b01100101, 0b11110101, "usax">;
3674 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
3675 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
3677 // Signed/Unsigned halving add/subtract
3679 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
3680 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
3681 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
3682 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
3683 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
3684 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
3685 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
3686 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
3687 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
3688 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
3689 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
3690 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
3692 // Unsigned Sum of Absolute Differences [and Accumulate].
3694 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
3695 MulFrm /* for convenience */, NoItinerary, "usad8",
3696 "\t$Rd, $Rn, $Rm", []>,
3697 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]> {
3701 let Inst{27-20} = 0b01111000;
3702 let Inst{15-12} = 0b1111;
3703 let Inst{7-4} = 0b0001;
3704 let Inst{19-16} = Rd;
3705 let Inst{11-8} = Rm;
3708 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3709 MulFrm /* for convenience */, NoItinerary, "usada8",
3710 "\t$Rd, $Rn, $Rm, $Ra", []>,
3711 Requires<[IsARM, HasV6]>, Sched<[WriteALU, ReadALU, ReadALU]>{
3716 let Inst{27-20} = 0b01111000;
3717 let Inst{7-4} = 0b0001;
3718 let Inst{19-16} = Rd;
3719 let Inst{15-12} = Ra;
3720 let Inst{11-8} = Rm;
3724 // Signed/Unsigned saturate
3726 def SSAT : AI<(outs GPRnopc:$Rd),
3727 (ins imm1_32:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3728 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3729 Requires<[IsARM,HasV6]>{
3734 let Inst{27-21} = 0b0110101;
3735 let Inst{5-4} = 0b01;
3736 let Inst{20-16} = sat_imm;
3737 let Inst{15-12} = Rd;
3738 let Inst{11-7} = sh{4-0};
3739 let Inst{6} = sh{5};
3743 def SSAT16 : AI<(outs GPRnopc:$Rd),
3744 (ins imm1_16:$sat_imm, GPRnopc:$Rn), SatFrm,
3745 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn", []>,
3746 Requires<[IsARM,HasV6]>{
3750 let Inst{27-20} = 0b01101010;
3751 let Inst{11-4} = 0b11110011;
3752 let Inst{15-12} = Rd;
3753 let Inst{19-16} = sat_imm;
3757 def USAT : AI<(outs GPRnopc:$Rd),
3758 (ins imm0_31:$sat_imm, GPRnopc:$Rn, shift_imm:$sh),
3759 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $Rn$sh", []>,
3760 Requires<[IsARM,HasV6]> {
3765 let Inst{27-21} = 0b0110111;
3766 let Inst{5-4} = 0b01;
3767 let Inst{15-12} = Rd;
3768 let Inst{11-7} = sh{4-0};
3769 let Inst{6} = sh{5};
3770 let Inst{20-16} = sat_imm;
3774 def USAT16 : AI<(outs GPRnopc:$Rd),
3775 (ins imm0_15:$sat_imm, GPRnopc:$Rn), SatFrm,
3776 NoItinerary, "usat16", "\t$Rd, $sat_imm, $Rn", []>,
3777 Requires<[IsARM,HasV6]>{
3781 let Inst{27-20} = 0b01101110;
3782 let Inst{11-4} = 0b11110011;
3783 let Inst{15-12} = Rd;
3784 let Inst{19-16} = sat_imm;
3788 def : ARMV6Pat<(int_arm_ssat GPRnopc:$a, imm1_32:$pos),
3789 (SSAT imm1_32:$pos, GPRnopc:$a, 0)>;
3790 def : ARMV6Pat<(int_arm_usat GPRnopc:$a, imm0_31:$pos),
3791 (USAT imm0_31:$pos, GPRnopc:$a, 0)>;
3792 def : ARMPat<(ARMssatnoshift GPRnopc:$Rn, imm0_31:$imm),
3793 (SSAT imm0_31:$imm, GPRnopc:$Rn, 0)>;
3795 //===----------------------------------------------------------------------===//
3796 // Bitwise Instructions.
3799 defm AND : AsI1_bin_irs<0b0000, "and",
3800 IIC_iBITi, IIC_iBITr, IIC_iBITsr, and, 1>;
3801 defm ORR : AsI1_bin_irs<0b1100, "orr",
3802 IIC_iBITi, IIC_iBITr, IIC_iBITsr, or, 1>;
3803 defm EOR : AsI1_bin_irs<0b0001, "eor",
3804 IIC_iBITi, IIC_iBITr, IIC_iBITsr, xor, 1>;
3805 defm BIC : AsI1_bin_irs<0b1110, "bic",
3806 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
3807 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
3809 // FIXME: bf_inv_mask_imm should be two operands, the lsb and the msb, just
3810 // like in the actual instruction encoding. The complexity of mapping the mask
3811 // to the lsb/msb pair should be handled by ISel, not encapsulated in the
3812 // instruction description.
3813 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
3814 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3815 "bfc", "\t$Rd, $imm", "$src = $Rd",
3816 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
3817 Requires<[IsARM, HasV6T2]> {
3820 let Inst{27-21} = 0b0111110;
3821 let Inst{6-0} = 0b0011111;
3822 let Inst{15-12} = Rd;
3823 let Inst{11-7} = imm{4-0}; // lsb
3824 let Inst{20-16} = imm{9-5}; // msb
3827 // A8.6.18 BFI - Bitfield insert (Encoding A1)
3828 def BFI:I<(outs GPRnopc:$Rd), (ins GPRnopc:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
3829 AddrMode1, 4, IndexModeNone, DPFrm, IIC_iUNAsi,
3830 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
3831 [(set GPRnopc:$Rd, (ARMbfi GPRnopc:$src, GPR:$Rn,
3832 bf_inv_mask_imm:$imm))]>,
3833 Requires<[IsARM, HasV6T2]> {
3837 let Inst{27-21} = 0b0111110;
3838 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
3839 let Inst{15-12} = Rd;
3840 let Inst{11-7} = imm{4-0}; // lsb
3841 let Inst{20-16} = imm{9-5}; // width
3845 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
3846 "mvn", "\t$Rd, $Rm",
3847 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP, Sched<[WriteALU]> {
3851 let Inst{19-16} = 0b0000;
3852 let Inst{11-4} = 0b00000000;
3853 let Inst{15-12} = Rd;
3856 def MVNsi : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_imm:$shift),
3857 DPSoRegImmFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3858 [(set GPR:$Rd, (not so_reg_imm:$shift))]>, UnaryDP,
3863 let Inst{19-16} = 0b0000;
3864 let Inst{15-12} = Rd;
3865 let Inst{11-5} = shift{11-5};
3867 let Inst{3-0} = shift{3-0};
3869 def MVNsr : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg_reg:$shift),
3870 DPSoRegRegFrm, IIC_iMVNsr, "mvn", "\t$Rd, $shift",
3871 [(set GPR:$Rd, (not so_reg_reg:$shift))]>, UnaryDP,
3876 let Inst{19-16} = 0b0000;
3877 let Inst{15-12} = Rd;
3878 let Inst{11-8} = shift{11-8};
3880 let Inst{6-5} = shift{6-5};
3882 let Inst{3-0} = shift{3-0};
3884 let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
3885 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins mod_imm:$imm), DPFrm,
3886 IIC_iMVNi, "mvn", "\t$Rd, $imm",
3887 [(set GPR:$Rd, mod_imm_not:$imm)]>,UnaryDP, Sched<[WriteALU]> {
3891 let Inst{19-16} = 0b0000;
3892 let Inst{15-12} = Rd;
3893 let Inst{11-0} = imm;
3896 let AddedComplexity = 1 in
3897 def : ARMPat<(and GPR:$src, mod_imm_not:$imm),
3898 (BICri GPR:$src, mod_imm_not:$imm)>;
3900 //===----------------------------------------------------------------------===//
3901 // Multiply Instructions.
3903 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3904 string opc, string asm, list<dag> pattern>
3905 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3909 let Inst{19-16} = Rd;
3910 let Inst{11-8} = Rm;
3913 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3914 string opc, string asm, list<dag> pattern>
3915 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3920 let Inst{19-16} = RdHi;
3921 let Inst{15-12} = RdLo;
3922 let Inst{11-8} = Rm;
3925 class AsMla1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
3926 string opc, string asm, list<dag> pattern>
3927 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
3932 let Inst{19-16} = RdHi;
3933 let Inst{15-12} = RdLo;
3934 let Inst{11-8} = Rm;
3938 // FIXME: The v5 pseudos are only necessary for the additional Constraint
3939 // property. Remove them when it's possible to add those properties
3940 // on an individual MachineInstr, not just an instruction description.
3941 let isCommutable = 1, TwoOperandAliasConstraint = "$Rn = $Rd" in {
3942 def MUL : AsMul1I32<0b0000000, (outs GPRnopc:$Rd),
3943 (ins GPRnopc:$Rn, GPRnopc:$Rm),
3944 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
3945 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))]>,
3946 Requires<[IsARM, HasV6]>,
3947 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
3948 let Inst{15-12} = 0b0000;
3949 let Unpredictable{15-12} = 0b1111;
3952 let Constraints = "@earlyclobber $Rd" in
3953 def MULv5: ARMPseudoExpand<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm,
3954 pred:$p, cc_out:$s),
3956 [(set GPRnopc:$Rd, (mul GPRnopc:$Rn, GPRnopc:$Rm))],
3957 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s)>,
3958 Requires<[IsARM, NoV6, UseMulOps]>,
3959 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
3962 def MLA : AsMul1I32<0b0000001, (outs GPRnopc:$Rd),
3963 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra),
3964 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
3965 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))]>,
3966 Requires<[IsARM, HasV6, UseMulOps]>,
3967 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
3969 let Inst{15-12} = Ra;
3972 let Constraints = "@earlyclobber $Rd" in
3973 def MLAv5: ARMPseudoExpand<(outs GPRnopc:$Rd),
3974 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
3975 pred:$p, cc_out:$s), 4, IIC_iMAC32,
3976 [(set GPRnopc:$Rd, (add (mul GPRnopc:$Rn, GPRnopc:$Rm), GPRnopc:$Ra))],
3977 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra, pred:$p, cc_out:$s)>,
3978 Requires<[IsARM, NoV6]>,
3979 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
3981 def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
3982 IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
3983 [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
3984 Requires<[IsARM, HasV6T2, UseMulOps]>,
3985 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]> {
3990 let Inst{19-16} = Rd;
3991 let Inst{15-12} = Ra;
3992 let Inst{11-8} = Rm;
3996 // Extra precision multiplies with low / high results
3997 let hasSideEffects = 0 in {
3998 let isCommutable = 1 in {
3999 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
4000 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4001 "smull", "\t$RdLo, $RdHi, $Rn, $Rm",
4002 [(set GPR:$RdLo, GPR:$RdHi,
4003 (smullohi GPR:$Rn, GPR:$Rm))]>,
4004 Requires<[IsARM, HasV6]>,
4005 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4007 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
4008 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
4009 "umull", "\t$RdLo, $RdHi, $Rn, $Rm",
4010 [(set GPR:$RdLo, GPR:$RdHi,
4011 (umullohi GPR:$Rn, GPR:$Rm))]>,
4012 Requires<[IsARM, HasV6]>,
4013 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL]>;
4015 let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
4016 def SMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4017 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4019 [(set GPR:$RdLo, GPR:$RdHi,
4020 (smullohi GPR:$Rn, GPR:$Rm))],
4021 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4022 Requires<[IsARM, NoV6]>,
4023 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4025 def UMULLv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4026 (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
4028 [(set GPR:$RdLo, GPR:$RdHi,
4029 (umullohi GPR:$Rn, GPR:$Rm))],
4030 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s)>,
4031 Requires<[IsARM, NoV6]>,
4032 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4036 // Multiply + accumulate
4037 def SMLAL : AsMla1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
4038 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4039 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4040 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4041 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4042 def UMLAL : AsMla1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
4043 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi), IIC_iMAC64,
4044 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4045 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4046 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4048 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
4049 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4051 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4052 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">, Requires<[IsARM, HasV6]>,
4053 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]> {
4058 let Inst{19-16} = RdHi;
4059 let Inst{15-12} = RdLo;
4060 let Inst{11-8} = Rm;
4065 "@earlyclobber $RdLo,@earlyclobber $RdHi,$RLo = $RdLo,$RHi = $RdHi" in {
4066 def SMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4067 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4069 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4070 pred:$p, cc_out:$s)>,
4071 Requires<[IsARM, NoV6]>,
4072 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4073 def UMLALv5 : ARMPseudoExpand<(outs GPR:$RdLo, GPR:$RdHi),
4074 (ins GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi, pred:$p, cc_out:$s),
4076 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi,
4077 pred:$p, cc_out:$s)>,
4078 Requires<[IsARM, NoV6]>,
4079 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4084 // Most significant word multiply
4085 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4086 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
4087 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
4088 Requires<[IsARM, HasV6]>,
4089 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4090 let Inst{15-12} = 0b1111;
4093 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4094 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm", []>,
4095 Requires<[IsARM, HasV6]>,
4096 Sched<[WriteMUL32, ReadMUL, ReadMUL]> {
4097 let Inst{15-12} = 0b1111;
4100 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
4101 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4102 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
4103 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
4104 Requires<[IsARM, HasV6, UseMulOps]>,
4105 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4107 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
4108 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4109 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra", []>,
4110 Requires<[IsARM, HasV6]>,
4111 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4113 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
4114 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4115 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra", []>,
4116 Requires<[IsARM, HasV6, UseMulOps]>,
4117 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4119 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
4120 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
4121 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra", []>,
4122 Requires<[IsARM, HasV6]>,
4123 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4125 multiclass AI_smul<string opc> {
4126 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4127 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
4128 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4129 (sext_inreg GPR:$Rm, i16)))]>,
4130 Requires<[IsARM, HasV5TE]>,
4131 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4133 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4134 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
4135 [(set GPR:$Rd, (mul (sext_inreg GPR:$Rn, i16),
4136 (sra GPR:$Rm, (i32 16))))]>,
4137 Requires<[IsARM, HasV5TE]>,
4138 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4140 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4141 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
4142 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4143 (sext_inreg GPR:$Rm, i16)))]>,
4144 Requires<[IsARM, HasV5TE]>,
4145 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4147 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4148 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
4149 [(set GPR:$Rd, (mul (sra GPR:$Rn, (i32 16)),
4150 (sra GPR:$Rm, (i32 16))))]>,
4151 Requires<[IsARM, HasV5TE]>,
4152 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4154 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4155 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
4156 [(set GPR:$Rd, (ARMsmulwb GPR:$Rn, GPR:$Rm))]>,
4157 Requires<[IsARM, HasV5TE]>,
4158 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4160 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
4161 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
4162 [(set GPR:$Rd, (ARMsmulwt GPR:$Rn, GPR:$Rm))]>,
4163 Requires<[IsARM, HasV5TE]>,
4164 Sched<[WriteMUL16, ReadMUL, ReadMUL]>;
4168 multiclass AI_smla<string opc> {
4169 let DecoderMethod = "DecodeSMLAInstruction" in {
4170 def BB : AMulxyIa<0b0001000, 0b00, (outs GPRnopc:$Rd),
4171 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4172 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
4173 [(set GPRnopc:$Rd, (add GPR:$Ra,
4174 (mul (sext_inreg GPRnopc:$Rn, i16),
4175 (sext_inreg GPRnopc:$Rm, i16))))]>,
4176 Requires<[IsARM, HasV5TE, UseMulOps]>,
4177 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4179 def BT : AMulxyIa<0b0001000, 0b10, (outs GPRnopc:$Rd),
4180 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4181 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
4183 (add GPR:$Ra, (mul (sext_inreg GPRnopc:$Rn, i16),
4184 (sra GPRnopc:$Rm, (i32 16)))))]>,
4185 Requires<[IsARM, HasV5TE, UseMulOps]>,
4186 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4188 def TB : AMulxyIa<0b0001000, 0b01, (outs GPRnopc:$Rd),
4189 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4190 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
4192 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4193 (sext_inreg GPRnopc:$Rm, i16))))]>,
4194 Requires<[IsARM, HasV5TE, UseMulOps]>,
4195 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4197 def TT : AMulxyIa<0b0001000, 0b11, (outs GPRnopc:$Rd),
4198 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4199 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
4201 (add GPR:$Ra, (mul (sra GPRnopc:$Rn, (i32 16)),
4202 (sra GPRnopc:$Rm, (i32 16)))))]>,
4203 Requires<[IsARM, HasV5TE, UseMulOps]>,
4204 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4206 def WB : AMulxyIa<0b0001001, 0b00, (outs GPRnopc:$Rd),
4207 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4208 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
4210 (add GPR:$Ra, (ARMsmulwb GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4211 Requires<[IsARM, HasV5TE, UseMulOps]>,
4212 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4214 def WT : AMulxyIa<0b0001001, 0b10, (outs GPRnopc:$Rd),
4215 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4216 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
4218 (add GPR:$Ra, (ARMsmulwt GPRnopc:$Rn, GPRnopc:$Rm)))]>,
4219 Requires<[IsARM, HasV5TE, UseMulOps]>,
4220 Sched<[WriteMAC16, ReadMUL, ReadMUL, ReadMAC]>;
4224 defm SMUL : AI_smul<"smul">;
4225 defm SMLA : AI_smla<"smla">;
4227 // Halfword multiply accumulate long: SMLAL<x><y>.
4228 class SMLAL<bits<2> opc1, string asm>
4229 : AMulxyI64<0b0001010, opc1,
4230 (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4231 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$RLo, GPRnopc:$RHi),
4232 IIC_iMAC64, asm, "\t$RdLo, $RdHi, $Rn, $Rm", []>,
4233 RegConstraint<"$RLo = $RdLo, $RHi = $RdHi">,
4234 Requires<[IsARM, HasV5TE]>,
4235 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4237 def SMLALBB : SMLAL<0b00, "smlalbb">;
4238 def SMLALBT : SMLAL<0b10, "smlalbt">;
4239 def SMLALTB : SMLAL<0b01, "smlaltb">;
4240 def SMLALTT : SMLAL<0b11, "smlaltt">;
4242 def : ARMV5TEPat<(ARMsmlalbb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4243 (SMLALBB $Rn, $Rm, $RLo, $RHi)>;
4244 def : ARMV5TEPat<(ARMsmlalbt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4245 (SMLALBT $Rn, $Rm, $RLo, $RHi)>;
4246 def : ARMV5TEPat<(ARMsmlaltb GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4247 (SMLALTB $Rn, $Rm, $RLo, $RHi)>;
4248 def : ARMV5TEPat<(ARMsmlaltt GPR:$Rn, GPR:$Rm, GPR:$RLo, GPR:$RHi),
4249 (SMLALTT $Rn, $Rm, $RLo, $RHi)>;
4251 // Helper class for AI_smld.
4252 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
4253 InstrItinClass itin, string opc, string asm>
4254 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
4257 let Inst{27-23} = 0b01110;
4258 let Inst{22} = long;
4259 let Inst{21-20} = 0b00;
4260 let Inst{11-8} = Rm;
4267 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
4268 InstrItinClass itin, string opc, string asm>
4269 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4271 let Inst{15-12} = 0b1111;
4272 let Inst{19-16} = Rd;
4274 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
4275 InstrItinClass itin, string opc, string asm>
4276 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4279 let Inst{19-16} = Rd;
4280 let Inst{15-12} = Ra;
4282 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
4283 InstrItinClass itin, string opc, string asm>
4284 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
4287 let Inst{19-16} = RdHi;
4288 let Inst{15-12} = RdLo;
4291 multiclass AI_smld<bit sub, string opc> {
4293 def D : AMulDualIa<0, sub, 0, (outs GPRnopc:$Rd),
4294 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4295 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">,
4296 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4298 def DX: AMulDualIa<0, sub, 1, (outs GPRnopc:$Rd),
4299 (ins GPRnopc:$Rn, GPRnopc:$Rm, GPR:$Ra),
4300 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">,
4301 Sched<[WriteMAC32, ReadMUL, ReadMUL, ReadMAC]>;
4303 def LD: AMulDualI64<1, sub, 0, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4304 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4305 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">,
4306 Sched<[WriteMAC64Lo, WriteMAC64Hi, ReadMUL, ReadMUL, ReadMAC, ReadMAC]>;
4308 def LDX : AMulDualI64<1, sub, 1, (outs GPRnopc:$RdLo, GPRnopc:$RdHi),
4309 (ins GPRnopc:$Rn, GPRnopc:$Rm), NoItinerary,
4310 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">,
4311 Sched<[WriteMUL64Lo, WriteMUL64Hi, ReadMUL, ReadMUL]>;
4315 defm SMLA : AI_smld<0, "smla">;
4316 defm SMLS : AI_smld<1, "smls">;
4318 multiclass AI_sdml<bit sub, string opc> {
4320 def D:AMulDualI<0, sub, 0, (outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm),
4321 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">,
4322 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4323 def DX:AMulDualI<0, sub, 1, (outs GPRnopc:$Rd),(ins GPRnopc:$Rn, GPRnopc:$Rm),
4324 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">,
4325 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
4328 defm SMUA : AI_sdml<0, "smua">;
4329 defm SMUS : AI_sdml<1, "smus">;
4331 //===----------------------------------------------------------------------===//
4332 // Division Instructions (ARMv7-A with virtualization extension)
4334 def SDIV : ADivA1I<0b001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4335 "sdiv", "\t$Rd, $Rn, $Rm",
4336 [(set GPR:$Rd, (sdiv GPR:$Rn, GPR:$Rm))]>,
4337 Requires<[IsARM, HasDivideInARM]>,
4340 def UDIV : ADivA1I<0b011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), IIC_iDIV,
4341 "udiv", "\t$Rd, $Rn, $Rm",
4342 [(set GPR:$Rd, (udiv GPR:$Rn, GPR:$Rm))]>,
4343 Requires<[IsARM, HasDivideInARM]>,
4346 //===----------------------------------------------------------------------===//
4347 // Misc. Arithmetic Instructions.
4350 def CLZ : AMiscA1I<0b00010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
4351 IIC_iUNAr, "clz", "\t$Rd, $Rm",
4352 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>,
4355 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4356 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
4357 [(set GPR:$Rd, (bitreverse GPR:$Rm))]>,
4358 Requires<[IsARM, HasV6T2]>,
4361 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
4362 IIC_iUNAr, "rev", "\t$Rd, $Rm",
4363 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>,
4366 let AddedComplexity = 5 in
4367 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4368 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
4369 [(set GPR:$Rd, (rotr (bswap GPR:$Rm), (i32 16)))]>,
4370 Requires<[IsARM, HasV6]>,
4373 def : ARMV6Pat<(srl (bswap (extloadi16 addrmode3:$addr)), (i32 16)),
4374 (REV16 (LDRH addrmode3:$addr))>;
4375 def : ARMV6Pat<(truncstorei16 (srl (bswap GPR:$Rn), (i32 16)), addrmode3:$addr),
4376 (STRH (REV16 GPR:$Rn), addrmode3:$addr)>;
4378 let AddedComplexity = 5 in
4379 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
4380 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
4381 [(set GPR:$Rd, (sra (bswap GPR:$Rm), (i32 16)))]>,
4382 Requires<[IsARM, HasV6]>,
4385 def : ARMV6Pat<(or (sra (shl GPR:$Rm, (i32 24)), (i32 16)),
4386 (and (srl GPR:$Rm, (i32 8)), 0xFF)),
4389 def PKHBT : APKHI<0b01101000, 0, (outs GPRnopc:$Rd),
4390 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_lsl_amt:$sh),
4391 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
4392 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF),
4393 (and (shl GPRnopc:$Rm, pkh_lsl_amt:$sh),
4395 Requires<[IsARM, HasV6]>,
4396 Sched<[WriteALUsi, ReadALU]>;
4398 // Alternate cases for PKHBT where identities eliminate some nodes.
4399 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (and GPRnopc:$Rm, 0xFFFF0000)),
4400 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, 0)>;
4401 def : ARMV6Pat<(or (and GPRnopc:$Rn, 0xFFFF), (shl GPRnopc:$Rm, imm16_31:$sh)),
4402 (PKHBT GPRnopc:$Rn, GPRnopc:$Rm, imm16_31:$sh)>;
4404 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
4405 // will match the pattern below.
4406 def PKHTB : APKHI<0b01101000, 1, (outs GPRnopc:$Rd),
4407 (ins GPRnopc:$Rn, GPRnopc:$Rm, pkh_asr_amt:$sh),
4408 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
4409 [(set GPRnopc:$Rd, (or (and GPRnopc:$Rn, 0xFFFF0000),
4410 (and (sra GPRnopc:$Rm, pkh_asr_amt:$sh),
4412 Requires<[IsARM, HasV6]>,
4413 Sched<[WriteALUsi, ReadALU]>;
4415 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
4416 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
4417 // We also can not replace a srl (17..31) by an arithmetic shift we would use in
4418 // pkhtb src1, src2, asr (17..31).
4419 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4420 (srl GPRnopc:$src2, imm16:$sh)),
4421 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16:$sh)>;
4422 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4423 (sra GPRnopc:$src2, imm16_31:$sh)),
4424 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm16_31:$sh)>;
4425 def : ARMV6Pat<(or (and GPRnopc:$src1, 0xFFFF0000),
4426 (and (srl GPRnopc:$src2, imm1_15:$sh), 0xFFFF)),
4427 (PKHTB GPRnopc:$src1, GPRnopc:$src2, imm1_15:$sh)>;
4429 //===----------------------------------------------------------------------===//
4433 // + CRC32{B,H,W} 0x04C11DB7
4434 // + CRC32C{B,H,W} 0x1EDC6F41
4437 class AI_crc32<bit C, bits<2> sz, string suffix, SDPatternOperator builtin>
4438 : AInoP<(outs GPRnopc:$Rd), (ins GPRnopc:$Rn, GPRnopc:$Rm), MiscFrm, NoItinerary,
4439 !strconcat("crc32", suffix), "\t$Rd, $Rn, $Rm",
4440 [(set GPRnopc:$Rd, (builtin GPRnopc:$Rn, GPRnopc:$Rm))]>,
4441 Requires<[IsARM, HasV8, HasCRC]> {
4446 let Inst{31-28} = 0b1110;
4447 let Inst{27-23} = 0b00010;
4448 let Inst{22-21} = sz;
4450 let Inst{19-16} = Rn;
4451 let Inst{15-12} = Rd;
4452 let Inst{11-10} = 0b00;
4455 let Inst{7-4} = 0b0100;
4458 let Unpredictable{11-8} = 0b1101;
4461 def CRC32B : AI_crc32<0, 0b00, "b", int_arm_crc32b>;
4462 def CRC32CB : AI_crc32<1, 0b00, "cb", int_arm_crc32cb>;
4463 def CRC32H : AI_crc32<0, 0b01, "h", int_arm_crc32h>;
4464 def CRC32CH : AI_crc32<1, 0b01, "ch", int_arm_crc32ch>;
4465 def CRC32W : AI_crc32<0, 0b10, "w", int_arm_crc32w>;
4466 def CRC32CW : AI_crc32<1, 0b10, "cw", int_arm_crc32cw>;
4468 //===----------------------------------------------------------------------===//
4469 // ARMv8.1a Privilege Access Never extension
4473 def SETPAN : AInoP<(outs), (ins imm0_1:$imm), MiscFrm, NoItinerary, "setpan",
4474 "\t$imm", []>, Requires<[IsARM, HasV8, HasV8_1a]> {
4477 let Inst{31-28} = 0b1111;
4478 let Inst{27-20} = 0b00010001;
4479 let Inst{19-16} = 0b0000;
4480 let Inst{15-10} = 0b000000;
4483 let Inst{7-4} = 0b0000;
4484 let Inst{3-0} = 0b0000;
4486 let Unpredictable{19-16} = 0b1111;
4487 let Unpredictable{15-10} = 0b111111;
4488 let Unpredictable{8} = 0b1;
4489 let Unpredictable{3-0} = 0b1111;
4492 //===----------------------------------------------------------------------===//
4493 // Comparison Instructions...
4496 defm CMP : AI1_cmp_irs<0b1010, "cmp",
4497 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr, ARMcmp>;
4499 // ARMcmpZ can re-use the above instruction definitions.
4500 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm:$imm),
4501 (CMPri GPR:$src, mod_imm:$imm)>;
4502 def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
4503 (CMPrr GPR:$src, GPR:$rhs)>;
4504 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_imm:$rhs),
4505 (CMPrsi GPR:$src, so_reg_imm:$rhs)>;
4506 def : ARMPat<(ARMcmpZ GPR:$src, so_reg_reg:$rhs),
4507 (CMPrsr GPR:$src, so_reg_reg:$rhs)>;
4509 // CMN register-integer
4510 let isCompare = 1, Defs = [CPSR] in {
4511 def CMNri : AI1<0b1011, (outs), (ins GPR:$Rn, mod_imm:$imm), DPFrm, IIC_iCMPi,
4512 "cmn", "\t$Rn, $imm",
4513 [(ARMcmn GPR:$Rn, mod_imm:$imm)]>,
4514 Sched<[WriteCMP, ReadALU]> {
4519 let Inst{19-16} = Rn;
4520 let Inst{15-12} = 0b0000;
4521 let Inst{11-0} = imm;
4523 let Unpredictable{15-12} = 0b1111;
4526 // CMN register-register/shift
4527 def CMNzrr : AI1<0b1011, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iCMPr,
4528 "cmn", "\t$Rn, $Rm",
4529 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4530 GPR:$Rn, GPR:$Rm)]>, Sched<[WriteCMP, ReadALU, ReadALU]> {
4533 let isCommutable = 1;
4536 let Inst{19-16} = Rn;
4537 let Inst{15-12} = 0b0000;
4538 let Inst{11-4} = 0b00000000;
4541 let Unpredictable{15-12} = 0b1111;
4544 def CMNzrsi : AI1<0b1011, (outs),
4545 (ins GPR:$Rn, so_reg_imm:$shift), DPSoRegImmFrm, IIC_iCMPsr,
4546 "cmn", "\t$Rn, $shift",
4547 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4548 GPR:$Rn, so_reg_imm:$shift)]>,
4549 Sched<[WriteCMPsi, ReadALU]> {
4554 let Inst{19-16} = Rn;
4555 let Inst{15-12} = 0b0000;
4556 let Inst{11-5} = shift{11-5};
4558 let Inst{3-0} = shift{3-0};
4560 let Unpredictable{15-12} = 0b1111;
4563 def CMNzrsr : AI1<0b1011, (outs),
4564 (ins GPRnopc:$Rn, so_reg_reg:$shift), DPSoRegRegFrm, IIC_iCMPsr,
4565 "cmn", "\t$Rn, $shift",
4566 [(BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>
4567 GPRnopc:$Rn, so_reg_reg:$shift)]>,
4568 Sched<[WriteCMPsr, ReadALU]> {
4573 let Inst{19-16} = Rn;
4574 let Inst{15-12} = 0b0000;
4575 let Inst{11-8} = shift{11-8};
4577 let Inst{6-5} = shift{6-5};
4579 let Inst{3-0} = shift{3-0};
4581 let Unpredictable{15-12} = 0b1111;
4586 def : ARMPat<(ARMcmp GPR:$src, mod_imm_neg:$imm),
4587 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4589 def : ARMPat<(ARMcmpZ GPR:$src, mod_imm_neg:$imm),
4590 (CMNri GPR:$src, mod_imm_neg:$imm)>;
4592 // Note that TST/TEQ don't set all the same flags that CMP does!
4593 defm TST : AI1_cmp_irs<0b1000, "tst",
4594 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4595 BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1,
4596 "DecodeTSTInstruction">;
4597 defm TEQ : AI1_cmp_irs<0b1001, "teq",
4598 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
4599 BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
4601 // Pseudo i64 compares for some floating point compares.
4602 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
4604 def BCCi64 : PseudoInst<(outs),
4605 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
4607 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>,
4610 def BCCZi64 : PseudoInst<(outs),
4611 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
4612 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>,
4614 } // usesCustomInserter
4617 // Conditional moves
4618 let hasSideEffects = 0 in {
4620 let isCommutable = 1, isSelect = 1 in
4621 def MOVCCr : ARMPseudoInst<(outs GPR:$Rd),
4622 (ins GPR:$false, GPR:$Rm, cmovpred:$p),
4624 [(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm,
4626 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4628 def MOVCCsi : ARMPseudoInst<(outs GPR:$Rd),
4629 (ins GPR:$false, so_reg_imm:$shift, cmovpred:$p),
4632 (ARMcmov GPR:$false, so_reg_imm:$shift,
4634 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4635 def MOVCCsr : ARMPseudoInst<(outs GPR:$Rd),
4636 (ins GPR:$false, so_reg_reg:$shift, cmovpred:$p),
4638 [(set GPR:$Rd, (ARMcmov GPR:$false, so_reg_reg:$shift,
4640 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4643 let isMoveImm = 1 in
4645 : ARMPseudoInst<(outs GPR:$Rd),
4646 (ins GPR:$false, imm0_65535_expr:$imm, cmovpred:$p),
4648 [(set GPR:$Rd, (ARMcmov GPR:$false, imm0_65535:$imm,
4650 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
4653 let isMoveImm = 1 in
4654 def MOVCCi : ARMPseudoInst<(outs GPR:$Rd),
4655 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4657 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm:$imm,
4659 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4661 // Two instruction predicate mov immediate.
4662 let isMoveImm = 1 in
4664 : ARMPseudoInst<(outs GPR:$Rd),
4665 (ins GPR:$false, i32imm:$src, cmovpred:$p),
4667 [(set GPR:$Rd, (ARMcmov GPR:$false, imm:$src,
4669 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>;
4671 let isMoveImm = 1 in
4672 def MVNCCi : ARMPseudoInst<(outs GPR:$Rd),
4673 (ins GPR:$false, mod_imm:$imm, cmovpred:$p),
4675 [(set GPR:$Rd, (ARMcmov GPR:$false, mod_imm_not:$imm,
4677 RegConstraint<"$false = $Rd">, Sched<[WriteALU]>;
4682 //===----------------------------------------------------------------------===//
4683 // Atomic operations intrinsics
4686 def MemBarrierOptOperand : AsmOperandClass {
4687 let Name = "MemBarrierOpt";
4688 let ParserMethod = "parseMemBarrierOptOperand";
4690 def memb_opt : Operand<i32> {
4691 let PrintMethod = "printMemBOption";
4692 let ParserMatchClass = MemBarrierOptOperand;
4693 let DecoderMethod = "DecodeMemBarrierOption";
4696 def InstSyncBarrierOptOperand : AsmOperandClass {
4697 let Name = "InstSyncBarrierOpt";
4698 let ParserMethod = "parseInstSyncBarrierOptOperand";
4700 def instsyncb_opt : Operand<i32> {
4701 let PrintMethod = "printInstSyncBOption";
4702 let ParserMatchClass = InstSyncBarrierOptOperand;
4703 let DecoderMethod = "DecodeInstSyncBarrierOption";
4706 // Memory barriers protect the atomic sequences
4707 let hasSideEffects = 1 in {
4708 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4709 "dmb", "\t$opt", [(int_arm_dmb (i32 imm0_15:$opt))]>,
4710 Requires<[IsARM, HasDB]> {
4712 let Inst{31-4} = 0xf57ff05;
4713 let Inst{3-0} = opt;
4716 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
4717 "dsb", "\t$opt", [(int_arm_dsb (i32 imm0_15:$opt))]>,
4718 Requires<[IsARM, HasDB]> {
4720 let Inst{31-4} = 0xf57ff04;
4721 let Inst{3-0} = opt;
4724 // ISB has only full system option
4725 def ISB : AInoP<(outs), (ins instsyncb_opt:$opt), MiscFrm, NoItinerary,
4726 "isb", "\t$opt", [(int_arm_isb (i32 imm0_15:$opt))]>,
4727 Requires<[IsARM, HasDB]> {
4729 let Inst{31-4} = 0xf57ff06;
4730 let Inst{3-0} = opt;
4734 let usesCustomInserter = 1, Defs = [CPSR] in {
4736 // Pseudo instruction that combines movs + predicated rsbmi
4737 // to implement integer ABS
4738 def ABS : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$src), 8, NoItinerary, []>;
4741 let usesCustomInserter = 1 in {
4742 def COPY_STRUCT_BYVAL_I32 : PseudoInst<
4743 (outs), (ins GPR:$dst, GPR:$src, i32imm:$size, i32imm:$alignment),
4745 [(ARMcopystructbyval GPR:$dst, GPR:$src, imm:$size, imm:$alignment)]>;
4748 let hasPostISelHook = 1, Constraints = "$newdst = $dst, $newsrc = $src" in {
4749 // %newsrc, %newdst = MEMCPY %dst, %src, N, ...N scratch regs...
4750 // Copies N registers worth of memory from address %src to address %dst
4751 // and returns the incremented addresses. N scratch register will
4752 // be attached for the copy to use.
4753 def MEMCPY : PseudoInst<
4754 (outs GPR:$newdst, GPR:$newsrc),
4755 (ins GPR:$dst, GPR:$src, i32imm:$nreg, variable_ops),
4757 [(set GPR:$newdst, GPR:$newsrc,
4758 (ARMmemcopy GPR:$dst, GPR:$src, imm:$nreg))]>;
4761 def ldrex_1 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4762 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4765 def ldrex_2 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4766 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4769 def ldrex_4 : PatFrag<(ops node:$ptr), (int_arm_ldrex node:$ptr), [{
4770 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4773 def strex_1 : PatFrag<(ops node:$val, node:$ptr),
4774 (int_arm_strex node:$val, node:$ptr), [{
4775 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4778 def strex_2 : PatFrag<(ops node:$val, node:$ptr),
4779 (int_arm_strex node:$val, node:$ptr), [{
4780 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4783 def strex_4 : PatFrag<(ops node:$val, node:$ptr),
4784 (int_arm_strex node:$val, node:$ptr), [{
4785 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4788 def ldaex_1 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4789 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4792 def ldaex_2 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4793 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4796 def ldaex_4 : PatFrag<(ops node:$ptr), (int_arm_ldaex node:$ptr), [{
4797 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4800 def stlex_1 : PatFrag<(ops node:$val, node:$ptr),
4801 (int_arm_stlex node:$val, node:$ptr), [{
4802 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i8;
4805 def stlex_2 : PatFrag<(ops node:$val, node:$ptr),
4806 (int_arm_stlex node:$val, node:$ptr), [{
4807 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i16;
4810 def stlex_4 : PatFrag<(ops node:$val, node:$ptr),
4811 (int_arm_stlex node:$val, node:$ptr), [{
4812 return cast<MemIntrinsicSDNode>(N)->getMemoryVT() == MVT::i32;
4815 let mayLoad = 1 in {
4816 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4817 NoItinerary, "ldrexb", "\t$Rt, $addr",
4818 [(set GPR:$Rt, (ldrex_1 addr_offset_none:$addr))]>;
4819 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4820 NoItinerary, "ldrexh", "\t$Rt, $addr",
4821 [(set GPR:$Rt, (ldrex_2 addr_offset_none:$addr))]>;
4822 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4823 NoItinerary, "ldrex", "\t$Rt, $addr",
4824 [(set GPR:$Rt, (ldrex_4 addr_offset_none:$addr))]>;
4825 let hasExtraDefRegAllocReq = 1 in
4826 def LDREXD : AIldrex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4827 NoItinerary, "ldrexd", "\t$Rt, $addr", []> {
4828 let DecoderMethod = "DecodeDoubleRegLoad";
4831 def LDAEXB : AIldaex<0b10, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4832 NoItinerary, "ldaexb", "\t$Rt, $addr",
4833 [(set GPR:$Rt, (ldaex_1 addr_offset_none:$addr))]>;
4834 def LDAEXH : AIldaex<0b11, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4835 NoItinerary, "ldaexh", "\t$Rt, $addr",
4836 [(set GPR:$Rt, (ldaex_2 addr_offset_none:$addr))]>;
4837 def LDAEX : AIldaex<0b00, (outs GPR:$Rt), (ins addr_offset_none:$addr),
4838 NoItinerary, "ldaex", "\t$Rt, $addr",
4839 [(set GPR:$Rt, (ldaex_4 addr_offset_none:$addr))]>;
4840 let hasExtraDefRegAllocReq = 1 in
4841 def LDAEXD : AIldaex<0b01, (outs GPRPairOp:$Rt),(ins addr_offset_none:$addr),
4842 NoItinerary, "ldaexd", "\t$Rt, $addr", []> {
4843 let DecoderMethod = "DecodeDoubleRegLoad";
4847 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
4848 def STREXB: AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4849 NoItinerary, "strexb", "\t$Rd, $Rt, $addr",
4850 [(set GPR:$Rd, (strex_1 GPR:$Rt,
4851 addr_offset_none:$addr))]>;
4852 def STREXH: AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4853 NoItinerary, "strexh", "\t$Rd, $Rt, $addr",
4854 [(set GPR:$Rd, (strex_2 GPR:$Rt,
4855 addr_offset_none:$addr))]>;
4856 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4857 NoItinerary, "strex", "\t$Rd, $Rt, $addr",
4858 [(set GPR:$Rd, (strex_4 GPR:$Rt,
4859 addr_offset_none:$addr))]>;
4860 let hasExtraSrcRegAllocReq = 1 in
4861 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
4862 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4863 NoItinerary, "strexd", "\t$Rd, $Rt, $addr", []> {
4864 let DecoderMethod = "DecodeDoubleRegStore";
4866 def STLEXB: AIstlex<0b10, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4867 NoItinerary, "stlexb", "\t$Rd, $Rt, $addr",
4869 (stlex_1 GPR:$Rt, addr_offset_none:$addr))]>;
4870 def STLEXH: AIstlex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4871 NoItinerary, "stlexh", "\t$Rd, $Rt, $addr",
4873 (stlex_2 GPR:$Rt, addr_offset_none:$addr))]>;
4874 def STLEX : AIstlex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, addr_offset_none:$addr),
4875 NoItinerary, "stlex", "\t$Rd, $Rt, $addr",
4877 (stlex_4 GPR:$Rt, addr_offset_none:$addr))]>;
4878 let hasExtraSrcRegAllocReq = 1 in
4879 def STLEXD : AIstlex<0b01, (outs GPR:$Rd),
4880 (ins GPRPairOp:$Rt, addr_offset_none:$addr),
4881 NoItinerary, "stlexd", "\t$Rd, $Rt, $addr", []> {
4882 let DecoderMethod = "DecodeDoubleRegStore";
4886 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
4888 Requires<[IsARM, HasV6K]> {
4889 let Inst{31-0} = 0b11110101011111111111000000011111;
4892 def : ARMPat<(strex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4893 (STREXB GPR:$Rt, addr_offset_none:$addr)>;
4894 def : ARMPat<(strex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4895 (STREXH GPR:$Rt, addr_offset_none:$addr)>;
4897 def : ARMPat<(stlex_1 (and GPR:$Rt, 0xff), addr_offset_none:$addr),
4898 (STLEXB GPR:$Rt, addr_offset_none:$addr)>;
4899 def : ARMPat<(stlex_2 (and GPR:$Rt, 0xffff), addr_offset_none:$addr),
4900 (STLEXH GPR:$Rt, addr_offset_none:$addr)>;
4902 class acquiring_load<PatFrag base>
4903 : PatFrag<(ops node:$ptr), (base node:$ptr), [{
4904 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4905 return isAcquireOrStronger(Ordering);
4908 def atomic_load_acquire_8 : acquiring_load<atomic_load_8>;
4909 def atomic_load_acquire_16 : acquiring_load<atomic_load_16>;
4910 def atomic_load_acquire_32 : acquiring_load<atomic_load_32>;
4912 class releasing_store<PatFrag base>
4913 : PatFrag<(ops node:$ptr, node:$val), (base node:$ptr, node:$val), [{
4914 AtomicOrdering Ordering = cast<AtomicSDNode>(N)->getOrdering();
4915 return isReleaseOrStronger(Ordering);
4918 def atomic_store_release_8 : releasing_store<atomic_store_8>;
4919 def atomic_store_release_16 : releasing_store<atomic_store_16>;
4920 def atomic_store_release_32 : releasing_store<atomic_store_32>;
4922 let AddedComplexity = 8 in {
4923 def : ARMPat<(atomic_load_acquire_8 addr_offset_none:$addr), (LDAB addr_offset_none:$addr)>;
4924 def : ARMPat<(atomic_load_acquire_16 addr_offset_none:$addr), (LDAH addr_offset_none:$addr)>;
4925 def : ARMPat<(atomic_load_acquire_32 addr_offset_none:$addr), (LDA addr_offset_none:$addr)>;
4926 def : ARMPat<(atomic_store_release_8 addr_offset_none:$addr, GPR:$val), (STLB GPR:$val, addr_offset_none:$addr)>;
4927 def : ARMPat<(atomic_store_release_16 addr_offset_none:$addr, GPR:$val), (STLH GPR:$val, addr_offset_none:$addr)>;
4928 def : ARMPat<(atomic_store_release_32 addr_offset_none:$addr, GPR:$val), (STL GPR:$val, addr_offset_none:$addr)>;
4931 // SWP/SWPB are deprecated in V6/V7 and optional in v7VE.
4932 // FIXME Use InstAlias to generate LDREX/STREX pairs instead.
4933 let mayLoad = 1, mayStore = 1 in {
4934 def SWP : AIswp<0, (outs GPRnopc:$Rt),
4935 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swp", []>,
4936 Requires<[IsARM,PreV8]>;
4937 def SWPB: AIswp<1, (outs GPRnopc:$Rt),
4938 (ins GPRnopc:$Rt2, addr_offset_none:$addr), "swpb", []>,
4939 Requires<[IsARM,PreV8]>;
4942 //===----------------------------------------------------------------------===//
4943 // Coprocessor Instructions.
4946 def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4947 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4948 NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4949 [(int_arm_cdp imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4950 imm:$CRm, imm:$opc2)]>,
4951 Requires<[IsARM,PreV8]> {
4959 let Inst{3-0} = CRm;
4961 let Inst{7-5} = opc2;
4962 let Inst{11-8} = cop;
4963 let Inst{15-12} = CRd;
4964 let Inst{19-16} = CRn;
4965 let Inst{23-20} = opc1;
4968 def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, imm0_15:$opc1,
4969 c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, imm0_7:$opc2),
4970 NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
4971 [(int_arm_cdp2 imm:$cop, imm:$opc1, imm:$CRd, imm:$CRn,
4972 imm:$CRm, imm:$opc2)]>,
4973 Requires<[IsARM,PreV8]> {
4974 let Inst{31-28} = 0b1111;
4982 let Inst{3-0} = CRm;
4984 let Inst{7-5} = opc2;
4985 let Inst{11-8} = cop;
4986 let Inst{15-12} = CRd;
4987 let Inst{19-16} = CRn;
4988 let Inst{23-20} = opc1;
4991 class ACI<dag oops, dag iops, string opc, string asm,
4992 list<dag> pattern, IndexMode im = IndexModeNone>
4993 : I<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
4994 opc, asm, "", pattern> {
4995 let Inst{27-25} = 0b110;
4997 class ACInoP<dag oops, dag iops, string opc, string asm,
4998 list<dag> pattern, IndexMode im = IndexModeNone>
4999 : InoP<oops, iops, AddrModeNone, 4, im, BrFrm, NoItinerary,
5000 opc, asm, "", pattern> {
5001 let Inst{31-28} = 0b1111;
5002 let Inst{27-25} = 0b110;
5004 multiclass LdStCop<bit load, bit Dbit, string asm, list<dag> pattern> {
5005 def _OFFSET : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5006 asm, "\t$cop, $CRd, $addr", pattern> {
5010 let Inst{24} = 1; // P = 1
5011 let Inst{23} = addr{8};
5012 let Inst{22} = Dbit;
5013 let Inst{21} = 0; // W = 0
5014 let Inst{20} = load;
5015 let Inst{19-16} = addr{12-9};
5016 let Inst{15-12} = CRd;
5017 let Inst{11-8} = cop;
5018 let Inst{7-0} = addr{7-0};
5019 let DecoderMethod = "DecodeCopMemInstruction";
5021 def _PRE : ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5022 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5026 let Inst{24} = 1; // P = 1
5027 let Inst{23} = addr{8};
5028 let Inst{22} = Dbit;
5029 let Inst{21} = 1; // W = 1
5030 let Inst{20} = load;
5031 let Inst{19-16} = addr{12-9};
5032 let Inst{15-12} = CRd;
5033 let Inst{11-8} = cop;
5034 let Inst{7-0} = addr{7-0};
5035 let DecoderMethod = "DecodeCopMemInstruction";
5037 def _POST: ACI<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5038 postidx_imm8s4:$offset),
5039 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5044 let Inst{24} = 0; // P = 0
5045 let Inst{23} = offset{8};
5046 let Inst{22} = Dbit;
5047 let Inst{21} = 1; // W = 1
5048 let Inst{20} = load;
5049 let Inst{19-16} = addr;
5050 let Inst{15-12} = CRd;
5051 let Inst{11-8} = cop;
5052 let Inst{7-0} = offset{7-0};
5053 let DecoderMethod = "DecodeCopMemInstruction";
5055 def _OPTION : ACI<(outs),
5056 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5057 coproc_option_imm:$option),
5058 asm, "\t$cop, $CRd, $addr, $option", []> {
5063 let Inst{24} = 0; // P = 0
5064 let Inst{23} = 1; // U = 1
5065 let Inst{22} = Dbit;
5066 let Inst{21} = 0; // W = 0
5067 let Inst{20} = load;
5068 let Inst{19-16} = addr;
5069 let Inst{15-12} = CRd;
5070 let Inst{11-8} = cop;
5071 let Inst{7-0} = option;
5072 let DecoderMethod = "DecodeCopMemInstruction";
5075 multiclass LdSt2Cop<bit load, bit Dbit, string asm, list<dag> pattern> {
5076 def _OFFSET : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5:$addr),
5077 asm, "\t$cop, $CRd, $addr", pattern> {
5081 let Inst{24} = 1; // P = 1
5082 let Inst{23} = addr{8};
5083 let Inst{22} = Dbit;
5084 let Inst{21} = 0; // W = 0
5085 let Inst{20} = load;
5086 let Inst{19-16} = addr{12-9};
5087 let Inst{15-12} = CRd;
5088 let Inst{11-8} = cop;
5089 let Inst{7-0} = addr{7-0};
5090 let DecoderMethod = "DecodeCopMemInstruction";
5092 def _PRE : ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addrmode5_pre:$addr),
5093 asm, "\t$cop, $CRd, $addr!", [], IndexModePre> {
5097 let Inst{24} = 1; // P = 1
5098 let Inst{23} = addr{8};
5099 let Inst{22} = Dbit;
5100 let Inst{21} = 1; // W = 1
5101 let Inst{20} = load;
5102 let Inst{19-16} = addr{12-9};
5103 let Inst{15-12} = CRd;
5104 let Inst{11-8} = cop;
5105 let Inst{7-0} = addr{7-0};
5106 let DecoderMethod = "DecodeCopMemInstruction";
5108 def _POST: ACInoP<(outs), (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5109 postidx_imm8s4:$offset),
5110 asm, "\t$cop, $CRd, $addr, $offset", [], IndexModePost> {
5115 let Inst{24} = 0; // P = 0
5116 let Inst{23} = offset{8};
5117 let Inst{22} = Dbit;
5118 let Inst{21} = 1; // W = 1
5119 let Inst{20} = load;
5120 let Inst{19-16} = addr;
5121 let Inst{15-12} = CRd;
5122 let Inst{11-8} = cop;
5123 let Inst{7-0} = offset{7-0};
5124 let DecoderMethod = "DecodeCopMemInstruction";
5126 def _OPTION : ACInoP<(outs),
5127 (ins p_imm:$cop, c_imm:$CRd, addr_offset_none:$addr,
5128 coproc_option_imm:$option),
5129 asm, "\t$cop, $CRd, $addr, $option", []> {
5134 let Inst{24} = 0; // P = 0
5135 let Inst{23} = 1; // U = 1
5136 let Inst{22} = Dbit;
5137 let Inst{21} = 0; // W = 0
5138 let Inst{20} = load;
5139 let Inst{19-16} = addr;
5140 let Inst{15-12} = CRd;
5141 let Inst{11-8} = cop;
5142 let Inst{7-0} = option;
5143 let DecoderMethod = "DecodeCopMemInstruction";
5147 defm LDC : LdStCop <1, 0, "ldc", [(int_arm_ldc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5148 defm LDCL : LdStCop <1, 1, "ldcl", [(int_arm_ldcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5149 defm LDC2 : LdSt2Cop<1, 0, "ldc2", [(int_arm_ldc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5150 defm LDC2L : LdSt2Cop<1, 1, "ldc2l", [(int_arm_ldc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5152 defm STC : LdStCop <0, 0, "stc", [(int_arm_stc imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5153 defm STCL : LdStCop <0, 1, "stcl", [(int_arm_stcl imm:$cop, imm:$CRd, addrmode5:$addr)]>;
5154 defm STC2 : LdSt2Cop<0, 0, "stc2", [(int_arm_stc2 imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5155 defm STC2L : LdSt2Cop<0, 1, "stc2l", [(int_arm_stc2l imm:$cop, imm:$CRd, addrmode5:$addr)]>, Requires<[IsARM,PreV8]>;
5157 //===----------------------------------------------------------------------===//
5158 // Move between coprocessor and ARM core register.
5161 class MovRCopro<string opc, bit direction, dag oops, dag iops,
5163 : ABI<0b1110, oops, iops, NoItinerary, opc,
5164 "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2", pattern> {
5165 let Inst{20} = direction;
5175 let Inst{15-12} = Rt;
5176 let Inst{11-8} = cop;
5177 let Inst{23-21} = opc1;
5178 let Inst{7-5} = opc2;
5179 let Inst{3-0} = CRm;
5180 let Inst{19-16} = CRn;
5183 def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */,
5185 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5186 c_imm:$CRm, imm0_7:$opc2),
5187 [(int_arm_mcr imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5188 imm:$CRm, imm:$opc2)]>,
5189 ComplexDeprecationPredicate<"MCR">;
5190 def : ARMInstAlias<"mcr${p} $cop, $opc1, $Rt, $CRn, $CRm",
5191 (MCR p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5192 c_imm:$CRm, 0, pred:$p)>;
5193 def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */,
5194 (outs GPRwithAPSR:$Rt),
5195 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5197 def : ARMInstAlias<"mrc${p} $cop, $opc1, $Rt, $CRn, $CRm",
5198 (MRC GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5199 c_imm:$CRm, 0, pred:$p)>;
5201 def : ARMPat<(int_arm_mrc imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2),
5202 (MRC imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5204 class MovRCopro2<string opc, bit direction, dag oops, dag iops,
5206 : ABXI<0b1110, oops, iops, NoItinerary,
5207 !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"), pattern> {
5208 let Inst{31-24} = 0b11111110;
5209 let Inst{20} = direction;
5219 let Inst{15-12} = Rt;
5220 let Inst{11-8} = cop;
5221 let Inst{23-21} = opc1;
5222 let Inst{7-5} = opc2;
5223 let Inst{3-0} = CRm;
5224 let Inst{19-16} = CRn;
5227 def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */,
5229 (ins p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5230 c_imm:$CRm, imm0_7:$opc2),
5231 [(int_arm_mcr2 imm:$cop, imm:$opc1, GPR:$Rt, imm:$CRn,
5232 imm:$CRm, imm:$opc2)]>,
5233 Requires<[IsARM,PreV8]>;
5234 def : ARMInstAlias<"mcr2 $cop, $opc1, $Rt, $CRn, $CRm",
5235 (MCR2 p_imm:$cop, imm0_7:$opc1, GPR:$Rt, c_imm:$CRn,
5237 def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */,
5238 (outs GPRwithAPSR:$Rt),
5239 (ins p_imm:$cop, imm0_7:$opc1, c_imm:$CRn, c_imm:$CRm,
5241 Requires<[IsARM,PreV8]>;
5242 def : ARMInstAlias<"mrc2 $cop, $opc1, $Rt, $CRn, $CRm",
5243 (MRC2 GPRwithAPSR:$Rt, p_imm:$cop, imm0_7:$opc1, c_imm:$CRn,
5246 def : ARMV5TPat<(int_arm_mrc2 imm:$cop, imm:$opc1, imm:$CRn,
5247 imm:$CRm, imm:$opc2),
5248 (MRC2 imm:$cop, imm:$opc1, imm:$CRn, imm:$CRm, imm:$opc2)>;
5250 class MovRRCopro<string opc, bit direction, dag oops, dag iops, list<dag>
5252 : ABI<0b1100, oops, iops, NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
5255 let Inst{23-21} = 0b010;
5256 let Inst{20} = direction;
5264 let Inst{15-12} = Rt;
5265 let Inst{19-16} = Rt2;
5266 let Inst{11-8} = cop;
5267 let Inst{7-4} = opc1;
5268 let Inst{3-0} = CRm;
5271 def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */,
5272 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5273 GPRnopc:$Rt2, c_imm:$CRm),
5274 [(int_arm_mcrr imm:$cop, imm:$opc1, GPRnopc:$Rt,
5275 GPRnopc:$Rt2, imm:$CRm)]>;
5276 def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */,
5277 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5278 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5280 class MovRRCopro2<string opc, bit direction, dag oops, dag iops,
5281 list<dag> pattern = []>
5282 : ABXI<0b1100, oops, iops, NoItinerary,
5283 !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"), pattern>,
5284 Requires<[IsARM,PreV8]> {
5285 let Inst{31-28} = 0b1111;
5286 let Inst{23-21} = 0b010;
5287 let Inst{20} = direction;
5295 let Inst{15-12} = Rt;
5296 let Inst{19-16} = Rt2;
5297 let Inst{11-8} = cop;
5298 let Inst{7-4} = opc1;
5299 let Inst{3-0} = CRm;
5301 let DecoderMethod = "DecoderForMRRC2AndMCRR2";
5304 def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */,
5305 (outs), (ins p_imm:$cop, imm0_15:$opc1, GPRnopc:$Rt,
5306 GPRnopc:$Rt2, c_imm:$CRm),
5307 [(int_arm_mcrr2 imm:$cop, imm:$opc1, GPRnopc:$Rt,
5308 GPRnopc:$Rt2, imm:$CRm)]>;
5310 def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */,
5311 (outs GPRnopc:$Rt, GPRnopc:$Rt2),
5312 (ins p_imm:$cop, imm0_15:$opc1, c_imm:$CRm), []>;
5314 //===----------------------------------------------------------------------===//
5315 // Move between special register and ARM core register
5318 // Move to ARM core register from Special Register
5319 def MRS : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5320 "mrs", "\t$Rd, apsr", []> {
5322 let Inst{23-16} = 0b00001111;
5323 let Unpredictable{19-17} = 0b111;
5325 let Inst{15-12} = Rd;
5327 let Inst{11-0} = 0b000000000000;
5328 let Unpredictable{11-0} = 0b110100001111;
5331 def : InstAlias<"mrs${p} $Rd, cpsr", (MRS GPRnopc:$Rd, pred:$p), 0>,
5334 // The MRSsys instruction is the MRS instruction from the ARM ARM,
5335 // section B9.3.9, with the R bit set to 1.
5336 def MRSsys : ABI<0b0001, (outs GPRnopc:$Rd), (ins), NoItinerary,
5337 "mrs", "\t$Rd, spsr", []> {
5339 let Inst{23-16} = 0b01001111;
5340 let Unpredictable{19-16} = 0b1111;
5342 let Inst{15-12} = Rd;
5344 let Inst{11-0} = 0b000000000000;
5345 let Unpredictable{11-0} = 0b110100001111;
5348 // However, the MRS (banked register) system instruction (ARMv7VE) *does* have a
5349 // separate encoding (distinguished by bit 5.
5350 def MRSbanked : ABI<0b0001, (outs GPRnopc:$Rd), (ins banked_reg:$banked),
5351 NoItinerary, "mrs", "\t$Rd, $banked", []>,
5352 Requires<[IsARM, HasVirtualization]> {
5357 let Inst{22} = banked{5}; // R bit
5358 let Inst{21-20} = 0b00;
5359 let Inst{19-16} = banked{3-0};
5360 let Inst{15-12} = Rd;
5361 let Inst{11-9} = 0b001;
5362 let Inst{8} = banked{4};
5363 let Inst{7-0} = 0b00000000;
5366 // Move from ARM core register to Special Register
5368 // No need to have both system and application versions of MSR (immediate) or
5369 // MSR (register), the encodings are the same and the assembly parser has no way
5370 // to distinguish between them. The mask operand contains the special register
5371 // (R Bit) in bit 4 and bits 3-0 contains the mask with the fields to be
5372 // accessed in the special register.
5373 let Defs = [CPSR] in
5374 def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
5375 "msr", "\t$mask, $Rn", []> {
5380 let Inst{22} = mask{4}; // R bit
5381 let Inst{21-20} = 0b10;
5382 let Inst{19-16} = mask{3-0};
5383 let Inst{15-12} = 0b1111;
5384 let Inst{11-4} = 0b00000000;
5388 let Defs = [CPSR] in
5389 def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, mod_imm:$imm), NoItinerary,
5390 "msr", "\t$mask, $imm", []> {
5395 let Inst{22} = mask{4}; // R bit
5396 let Inst{21-20} = 0b10;
5397 let Inst{19-16} = mask{3-0};
5398 let Inst{15-12} = 0b1111;
5399 let Inst{11-0} = imm;
5402 // However, the MSR (banked register) system instruction (ARMv7VE) *does* have a
5403 // separate encoding (distinguished by bit 5.
5404 def MSRbanked : ABI<0b0001, (outs), (ins banked_reg:$banked, GPRnopc:$Rn),
5405 NoItinerary, "msr", "\t$banked, $Rn", []>,
5406 Requires<[IsARM, HasVirtualization]> {
5411 let Inst{22} = banked{5}; // R bit
5412 let Inst{21-20} = 0b10;
5413 let Inst{19-16} = banked{3-0};
5414 let Inst{15-12} = 0b1111;
5415 let Inst{11-9} = 0b001;
5416 let Inst{8} = banked{4};
5417 let Inst{7-4} = 0b0000;
5421 // Dynamic stack allocation yields a _chkstk for Windows targets. These calls
5422 // are needed to probe the stack when allocating more than
5423 // 4k bytes in one go. Touching the stack at 4K increments is necessary to
5424 // ensure that the guard pages used by the OS virtual memory manager are
5425 // allocated in correct sequence.
5426 // The main point of having separate instruction are extra unmodelled effects
5427 // (compared to ordinary calls) like stack pointer change.
5429 def win__chkstk : SDNode<"ARMISD::WIN__CHKSTK", SDTNone,
5430 [SDNPHasChain, SDNPSideEffect]>;
5431 let usesCustomInserter = 1, Uses = [R4], Defs = [R4, SP] in
5432 def WIN__CHKSTK : PseudoInst<(outs), (ins), NoItinerary, [(win__chkstk)]>;
5434 def win__dbzchk : SDNode<"ARMISD::WIN__DBZCHK", SDT_WIN__DBZCHK,
5435 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
5436 let usesCustomInserter = 1, Defs = [CPSR] in
5437 def WIN__DBZCHK : PseudoInst<(outs), (ins tGPR:$divisor), NoItinerary,
5438 [(win__dbzchk tGPR:$divisor)]>;
5440 //===----------------------------------------------------------------------===//
5444 // __aeabi_read_tp preserves the registers r1-r3.
5445 // This is a pseudo inst so that we can get the encoding right,
5446 // complete with fixup for the aeabi_read_tp function.
5447 // TPsoft is valid for ARM mode only, in case of Thumb mode a tTPsoft pattern
5448 // is defined in "ARMInstrThumb.td".
5450 Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
5451 def TPsoft : ARMPseudoInst<(outs), (ins), 4, IIC_Br,
5452 [(set R0, ARMthread_pointer)]>, Sched<[WriteBr]>;
5455 //===----------------------------------------------------------------------===//
5456 // SJLJ Exception handling intrinsics
5457 // eh_sjlj_setjmp() is an instruction sequence to store the return
5458 // address and save #0 in R0 for the non-longjmp case.
5459 // Since by its nature we may be coming from some other function to get
5460 // here, and we're using the stack frame for the containing function to
5461 // save/restore registers, we can't keep anything live in regs across
5462 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
5463 // when we get here from a longjmp(). We force everything out of registers
5464 // except for our own input by listing the relevant registers in Defs. By
5465 // doing so, we also cause the prologue/epilogue code to actively preserve
5466 // all of the callee-saved resgisters, which is exactly what we want.
5467 // A constant value is passed in $val, and we use the location as a scratch.
5469 // These are pseudo-instructions and are lowered to individual MC-insts, so
5470 // no encoding information is necessary.
5472 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR,
5473 Q0, Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9, Q10, Q11, Q12, Q13, Q14, Q15 ],
5474 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5475 def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5477 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5478 Requires<[IsARM, HasVFP2]>;
5482 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, CPSR ],
5483 hasSideEffects = 1, isBarrier = 1, usesCustomInserter = 1 in {
5484 def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
5486 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
5487 Requires<[IsARM, NoVFP]>;
5490 // FIXME: Non-IOS version(s)
5491 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
5492 Defs = [ R7, LR, SP ] in {
5493 def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
5495 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
5499 let isBarrier = 1, hasSideEffects = 1, usesCustomInserter = 1 in
5500 def Int_eh_sjlj_setup_dispatch : PseudoInst<(outs), (ins), NoItinerary,
5501 [(ARMeh_sjlj_setup_dispatch)]>;
5503 // eh.sjlj.dispatchsetup pseudo-instruction.
5504 // This pseudo is used for both ARM and Thumb. Any differences are handled when
5505 // the pseudo is expanded (which happens before any passes that need the
5506 // instruction size).
5507 let isBarrier = 1 in
5508 def Int_eh_sjlj_dispatchsetup : PseudoInst<(outs), (ins), NoItinerary, []>;
5511 //===----------------------------------------------------------------------===//
5512 // Non-Instruction Patterns
5515 // ARMv4 indirect branch using (MOVr PC, dst)
5516 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in
5517 def MOVPCRX : ARMPseudoExpand<(outs), (ins GPR:$dst),
5518 4, IIC_Br, [(brind GPR:$dst)],
5519 (MOVr PC, GPR:$dst, (ops 14, zero_reg), zero_reg)>,
5520 Requires<[IsARM, NoV4T]>, Sched<[WriteBr]>;
5522 // Large immediate handling.
5524 // 32-bit immediate using two piece mod_imms or movw + movt.
5525 // This is a single pseudo instruction, the benefit is that it can be remat'd
5526 // as a single unit instead of having to handle reg inputs.
5527 // FIXME: Remove this when we can do generalized remat.
5528 let isReMaterializable = 1, isMoveImm = 1 in
5529 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
5530 [(set GPR:$dst, (arm_i32imm:$src))]>,
5533 def LDRLIT_ga_abs : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iLoad_i,
5534 [(set GPR:$dst, (ARMWrapper tglobaladdr:$src))]>,
5535 Requires<[IsARM, DontUseMovt]>;
5537 // Pseudo instruction that combines movw + movt + add pc (if PIC).
5538 // It also makes it possible to rematerialize the instructions.
5539 // FIXME: Remove this when we can do generalized remat and when machine licm
5540 // can properly the instructions.
5541 let isReMaterializable = 1 in {
5542 def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5544 [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
5545 Requires<[IsARM, UseMovt]>;
5547 def LDRLIT_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5550 (ARMWrapperPIC tglobaladdr:$addr))]>,
5551 Requires<[IsARM, DontUseMovt]>;
5553 let AddedComplexity = 10 in
5554 def LDRLIT_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5557 (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5558 Requires<[IsARM, DontUseMovt]>;
5560 let AddedComplexity = 10 in
5561 def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
5563 [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
5564 Requires<[IsARM, UseMovt]>;
5565 } // isReMaterializable
5567 // The many different faces of TLS access.
5568 def : ARMPat<(ARMWrapper tglobaltlsaddr :$dst),
5569 (MOVi32imm tglobaltlsaddr :$dst)>,
5570 Requires<[IsARM, UseMovt]>;
5572 def : Pat<(ARMWrapper tglobaltlsaddr:$src),
5573 (LDRLIT_ga_abs tglobaltlsaddr:$src)>,
5574 Requires<[IsARM, DontUseMovt]>;
5576 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5577 (MOV_ga_pcrel tglobaltlsaddr:$addr)>, Requires<[IsARM, UseMovt]>;
5579 def : Pat<(ARMWrapperPIC tglobaltlsaddr:$addr),
5580 (LDRLIT_ga_pcrel tglobaltlsaddr:$addr)>,
5581 Requires<[IsARM, DontUseMovt]>;
5582 let AddedComplexity = 10 in
5583 def : Pat<(load (ARMWrapperPIC tglobaltlsaddr:$addr)),
5584 (MOV_ga_pcrel_ldr tglobaltlsaddr:$addr)>,
5585 Requires<[IsARM, UseMovt]>;
5588 // ConstantPool, GlobalAddress, and JumpTable
5589 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
5590 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
5591 Requires<[IsARM, UseMovt]>;
5592 def : ARMPat<(ARMWrapper texternalsym :$dst), (MOVi32imm texternalsym :$dst)>,
5593 Requires<[IsARM, UseMovt]>;
5594 def : ARMPat<(ARMWrapperJT tjumptable:$dst),
5595 (LEApcrelJT tjumptable:$dst)>;
5597 // TODO: add,sub,and, 3-instr forms?
5599 // Tail calls. These patterns also apply to Thumb mode.
5600 def : Pat<(ARMtcret tcGPR:$dst), (TCRETURNri tcGPR:$dst)>;
5601 def : Pat<(ARMtcret (i32 tglobaladdr:$dst)), (TCRETURNdi texternalsym:$dst)>;
5602 def : Pat<(ARMtcret (i32 texternalsym:$dst)), (TCRETURNdi texternalsym:$dst)>;
5605 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>;
5606 def : ARMPat<(ARMcall_nolink texternalsym:$func),
5607 (BMOVPCB_CALL texternalsym:$func)>;
5609 // zextload i1 -> zextload i8
5610 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5611 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5613 // extload -> zextload
5614 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5615 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5616 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
5617 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
5619 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
5621 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
5622 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
5625 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
5626 (SMULBB GPR:$a, GPR:$b)>,
5627 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5628 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
5629 (SMULBT GPR:$a, GPR:$b)>,
5630 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5631 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
5632 (SMULTB GPR:$a, GPR:$b)>,
5633 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5634 def : ARMV5MOPat<(add GPR:$acc,
5635 (mul sext_16_node:$a, sext_16_node:$b)),
5636 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>,
5637 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5638 def : ARMV5MOPat<(add GPR:$acc,
5639 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
5640 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>,
5641 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5642 def : ARMV5MOPat<(add GPR:$acc,
5643 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
5644 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>,
5645 Sched<[WriteMUL32, ReadMUL, ReadMUL]>;
5647 // Pre-v7 uses MCR for synchronization barriers.
5648 def : ARMPat<(ARMMemBarrierMCR GPR:$zero), (MCR 15, 0, GPR:$zero, 7, 10, 5)>,
5649 Requires<[IsARM, HasV6]>;
5651 // SXT/UXT with no rotate
5652 let AddedComplexity = 16 in {
5653 def : ARMV6Pat<(and GPR:$Src, 0x000000FF), (UXTB GPR:$Src, 0)>;
5654 def : ARMV6Pat<(and GPR:$Src, 0x0000FFFF), (UXTH GPR:$Src, 0)>;
5655 def : ARMV6Pat<(and GPR:$Src, 0x00FF00FF), (UXTB16 GPR:$Src, 0)>;
5656 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0x00FF)),
5657 (UXTAB GPR:$Rn, GPR:$Rm, 0)>;
5658 def : ARMV6Pat<(add GPR:$Rn, (and GPR:$Rm, 0xFFFF)),
5659 (UXTAH GPR:$Rn, GPR:$Rm, 0)>;
5662 def : ARMV6Pat<(sext_inreg GPR:$Src, i8), (SXTB GPR:$Src, 0)>;
5663 def : ARMV6Pat<(sext_inreg GPR:$Src, i16), (SXTH GPR:$Src, 0)>;
5665 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i8)),
5666 (SXTAB GPR:$Rn, GPRnopc:$Rm, 0)>;
5667 def : ARMV6Pat<(add GPR:$Rn, (sext_inreg GPRnopc:$Rm, i16)),
5668 (SXTAH GPR:$Rn, GPRnopc:$Rm, 0)>;
5670 // Atomic load/store patterns
5671 def : ARMPat<(atomic_load_8 ldst_so_reg:$src),
5672 (LDRBrs ldst_so_reg:$src)>;
5673 def : ARMPat<(atomic_load_8 addrmode_imm12:$src),
5674 (LDRBi12 addrmode_imm12:$src)>;
5675 def : ARMPat<(atomic_load_16 addrmode3:$src),
5676 (LDRH addrmode3:$src)>;
5677 def : ARMPat<(atomic_load_32 ldst_so_reg:$src),
5678 (LDRrs ldst_so_reg:$src)>;
5679 def : ARMPat<(atomic_load_32 addrmode_imm12:$src),
5680 (LDRi12 addrmode_imm12:$src)>;
5681 def : ARMPat<(atomic_store_8 ldst_so_reg:$ptr, GPR:$val),
5682 (STRBrs GPR:$val, ldst_so_reg:$ptr)>;
5683 def : ARMPat<(atomic_store_8 addrmode_imm12:$ptr, GPR:$val),
5684 (STRBi12 GPR:$val, addrmode_imm12:$ptr)>;
5685 def : ARMPat<(atomic_store_16 addrmode3:$ptr, GPR:$val),
5686 (STRH GPR:$val, addrmode3:$ptr)>;
5687 def : ARMPat<(atomic_store_32 ldst_so_reg:$ptr, GPR:$val),
5688 (STRrs GPR:$val, ldst_so_reg:$ptr)>;
5689 def : ARMPat<(atomic_store_32 addrmode_imm12:$ptr, GPR:$val),
5690 (STRi12 GPR:$val, addrmode_imm12:$ptr)>;
5693 //===----------------------------------------------------------------------===//
5697 include "ARMInstrThumb.td"
5699 //===----------------------------------------------------------------------===//
5703 include "ARMInstrThumb2.td"
5705 //===----------------------------------------------------------------------===//
5706 // Floating Point Support
5709 include "ARMInstrVFP.td"
5711 //===----------------------------------------------------------------------===//
5712 // Advanced SIMD (NEON) Support
5715 include "ARMInstrNEON.td"
5717 //===----------------------------------------------------------------------===//
5718 // Assembler aliases
5722 def : InstAlias<"dmb", (DMB 0xf), 0>, Requires<[IsARM, HasDB]>;
5723 def : InstAlias<"dsb", (DSB 0xf), 0>, Requires<[IsARM, HasDB]>;
5724 def : InstAlias<"isb", (ISB 0xf), 0>, Requires<[IsARM, HasDB]>;
5726 // System instructions
5727 def : MnemonicAlias<"swi", "svc">;
5729 // Load / Store Multiple
5730 def : MnemonicAlias<"ldmfd", "ldm">;
5731 def : MnemonicAlias<"ldmia", "ldm">;
5732 def : MnemonicAlias<"ldmea", "ldmdb">;
5733 def : MnemonicAlias<"stmfd", "stmdb">;
5734 def : MnemonicAlias<"stmia", "stm">;
5735 def : MnemonicAlias<"stmea", "stm">;
5737 // PKHBT/PKHTB with default shift amount. PKHTB is equivalent to PKHBT with the
5738 // input operands swapped when the shift amount is zero (i.e., unspecified).
5739 def : InstAlias<"pkhbt${p} $Rd, $Rn, $Rm",
5740 (PKHBT GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, 0, pred:$p), 0>,
5741 Requires<[IsARM, HasV6]>;
5742 def : InstAlias<"pkhtb${p} $Rd, $Rn, $Rm",
5743 (PKHBT GPRnopc:$Rd, GPRnopc:$Rm, GPRnopc:$Rn, 0, pred:$p), 0>,
5744 Requires<[IsARM, HasV6]>;
5746 // PUSH/POP aliases for STM/LDM
5747 def : ARMInstAlias<"push${p} $regs", (STMDB_UPD SP, pred:$p, reglist:$regs)>;
5748 def : ARMInstAlias<"pop${p} $regs", (LDMIA_UPD SP, pred:$p, reglist:$regs)>;
5750 // SSAT/USAT optional shift operand.
5751 def : ARMInstAlias<"ssat${p} $Rd, $sat_imm, $Rn",
5752 (SSAT GPRnopc:$Rd, imm1_32:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5753 def : ARMInstAlias<"usat${p} $Rd, $sat_imm, $Rn",
5754 (USAT GPRnopc:$Rd, imm0_31:$sat_imm, GPRnopc:$Rn, 0, pred:$p)>;
5757 // Extend instruction optional rotate operand.
5758 def : ARMInstAlias<"sxtab${p} $Rd, $Rn, $Rm",
5759 (SXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5760 def : ARMInstAlias<"sxtah${p} $Rd, $Rn, $Rm",
5761 (SXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5762 def : ARMInstAlias<"sxtab16${p} $Rd, $Rn, $Rm",
5763 (SXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5764 def : ARMInstAlias<"sxtb${p} $Rd, $Rm",
5765 (SXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5766 def : ARMInstAlias<"sxtb16${p} $Rd, $Rm",
5767 (SXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5768 def : ARMInstAlias<"sxth${p} $Rd, $Rm",
5769 (SXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5771 def : ARMInstAlias<"uxtab${p} $Rd, $Rn, $Rm",
5772 (UXTAB GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5773 def : ARMInstAlias<"uxtah${p} $Rd, $Rn, $Rm",
5774 (UXTAH GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5775 def : ARMInstAlias<"uxtab16${p} $Rd, $Rn, $Rm",
5776 (UXTAB16 GPRnopc:$Rd, GPR:$Rn, GPRnopc:$Rm, 0, pred:$p)>;
5777 def : ARMInstAlias<"uxtb${p} $Rd, $Rm",
5778 (UXTB GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5779 def : ARMInstAlias<"uxtb16${p} $Rd, $Rm",
5780 (UXTB16 GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5781 def : ARMInstAlias<"uxth${p} $Rd, $Rm",
5782 (UXTH GPRnopc:$Rd, GPRnopc:$Rm, 0, pred:$p)>;
5786 def : MnemonicAlias<"rfefa", "rfeda">;
5787 def : MnemonicAlias<"rfeea", "rfedb">;
5788 def : MnemonicAlias<"rfefd", "rfeia">;
5789 def : MnemonicAlias<"rfeed", "rfeib">;
5790 def : MnemonicAlias<"rfe", "rfeia">;
5793 def : MnemonicAlias<"srsfa", "srsib">;
5794 def : MnemonicAlias<"srsea", "srsia">;
5795 def : MnemonicAlias<"srsfd", "srsdb">;
5796 def : MnemonicAlias<"srsed", "srsda">;
5797 def : MnemonicAlias<"srs", "srsia">;
5800 def : MnemonicAlias<"qsubaddx", "qsax">;
5802 def : MnemonicAlias<"saddsubx", "sasx">;
5803 // SHASX == SHADDSUBX
5804 def : MnemonicAlias<"shaddsubx", "shasx">;
5805 // SHSAX == SHSUBADDX
5806 def : MnemonicAlias<"shsubaddx", "shsax">;
5808 def : MnemonicAlias<"ssubaddx", "ssax">;
5810 def : MnemonicAlias<"uaddsubx", "uasx">;
5811 // UHASX == UHADDSUBX
5812 def : MnemonicAlias<"uhaddsubx", "uhasx">;
5813 // UHSAX == UHSUBADDX
5814 def : MnemonicAlias<"uhsubaddx", "uhsax">;
5815 // UQASX == UQADDSUBX
5816 def : MnemonicAlias<"uqaddsubx", "uqasx">;
5817 // UQSAX == UQSUBADDX
5818 def : MnemonicAlias<"uqsubaddx", "uqsax">;
5820 def : MnemonicAlias<"usubaddx", "usax">;
5822 // "mov Rd, mod_imm_not" can be handled via "mvn" in assembly, just like
5824 def : ARMInstSubst<"mov${s}${p} $Rd, $imm",
5825 (MVNi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5826 def : ARMInstSubst<"mvn${s}${p} $Rd, $imm",
5827 (MOVi rGPR:$Rd, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5828 // Same for AND <--> BIC
5829 def : ARMInstSubst<"bic${s}${p} $Rd, $Rn, $imm",
5830 (ANDri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5831 pred:$p, cc_out:$s)>;
5832 def : ARMInstSubst<"bic${s}${p} $Rdn, $imm",
5833 (ANDri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5834 pred:$p, cc_out:$s)>;
5835 def : ARMInstSubst<"and${s}${p} $Rd, $Rn, $imm",
5836 (BICri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm,
5837 pred:$p, cc_out:$s)>;
5838 def : ARMInstSubst<"and${s}${p} $Rdn, $imm",
5839 (BICri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm,
5840 pred:$p, cc_out:$s)>;
5842 // Likewise, "add Rd, mod_imm_neg" -> sub
5843 def : ARMInstSubst<"add${s}${p} $Rd, $Rn, $imm",
5844 (SUBri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5845 def : ARMInstSubst<"add${s}${p} $Rd, $imm",
5846 (SUBri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5847 // Likewise, "sub Rd, mod_imm_neg" -> add
5848 def : ARMInstSubst<"sub${s}${p} $Rd, $Rn, $imm",
5849 (ADDri GPR:$Rd, GPR:$Rn, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5850 def : ARMInstSubst<"sub${s}${p} $Rd, $imm",
5851 (ADDri GPR:$Rd, GPR:$Rd, mod_imm_neg:$imm, pred:$p, cc_out:$s)>;
5854 def : ARMInstSubst<"adc${s}${p} $Rd, $Rn, $imm",
5855 (SBCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5856 def : ARMInstSubst<"adc${s}${p} $Rdn, $imm",
5857 (SBCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5858 def : ARMInstSubst<"sbc${s}${p} $Rd, $Rn, $imm",
5859 (ADCri GPR:$Rd, GPR:$Rn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5860 def : ARMInstSubst<"sbc${s}${p} $Rdn, $imm",
5861 (ADCri GPR:$Rdn, GPR:$Rdn, mod_imm_not:$imm, pred:$p, cc_out:$s)>;
5863 // Same for CMP <--> CMN via mod_imm_neg
5864 def : ARMInstSubst<"cmp${p} $Rd, $imm",
5865 (CMNri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5866 def : ARMInstSubst<"cmn${p} $Rd, $imm",
5867 (CMPri rGPR:$Rd, mod_imm_neg:$imm, pred:$p)>;
5869 // The shifter forms of the MOV instruction are aliased to the ASR, LSL,
5870 // LSR, ROR, and RRX instructions.
5871 // FIXME: We need C++ parser hooks to map the alias to the MOV
5872 // encoding. It seems we should be able to do that sort of thing
5873 // in tblgen, but it could get ugly.
5874 let TwoOperandAliasConstraint = "$Rm = $Rd" in {
5875 def ASRi : ARMAsmPseudo<"asr${s}${p} $Rd, $Rm, $imm",
5876 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5878 def LSRi : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rm, $imm",
5879 (ins GPR:$Rd, GPR:$Rm, imm0_32:$imm, pred:$p,
5881 def LSLi : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rm, $imm",
5882 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5884 def RORi : ARMAsmPseudo<"ror${s}${p} $Rd, $Rm, $imm",
5885 (ins GPR:$Rd, GPR:$Rm, imm0_31:$imm, pred:$p,
5888 def RRXi : ARMAsmPseudo<"rrx${s}${p} $Rd, $Rm",
5889 (ins GPR:$Rd, GPR:$Rm, pred:$p, cc_out:$s)>;
5890 let TwoOperandAliasConstraint = "$Rn = $Rd" in {
5891 def ASRr : ARMAsmPseudo<"asr${s}${p} $Rd, $Rn, $Rm",
5892 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5894 def LSRr : ARMAsmPseudo<"lsr${s}${p} $Rd, $Rn, $Rm",
5895 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5897 def LSLr : ARMAsmPseudo<"lsl${s}${p} $Rd, $Rn, $Rm",
5898 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5900 def RORr : ARMAsmPseudo<"ror${s}${p} $Rd, $Rn, $Rm",
5901 (ins GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p,
5905 // "neg" is and alias for "rsb rd, rn, #0"
5906 def : ARMInstAlias<"neg${s}${p} $Rd, $Rm",
5907 (RSBri GPR:$Rd, GPR:$Rm, 0, pred:$p, cc_out:$s)>;
5909 // Pre-v6, 'mov r0, r0' was used as a NOP encoding.
5910 def : InstAlias<"nop${p}", (MOVr R0, R0, pred:$p, zero_reg)>,
5911 Requires<[IsARM, NoV6]>;
5913 // MUL/UMLAL/SMLAL/UMULL/SMULL are available on all arches, but
5914 // the instruction definitions need difference constraints pre-v6.
5915 // Use these aliases for the assembly parsing on pre-v6.
5916 def : InstAlias<"mul${s}${p} $Rd, $Rn, $Rm",
5917 (MUL GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, pred:$p, cc_out:$s), 0>,
5918 Requires<[IsARM, NoV6]>;
5919 def : InstAlias<"mla${s}${p} $Rd, $Rn, $Rm, $Ra",
5920 (MLA GPRnopc:$Rd, GPRnopc:$Rn, GPRnopc:$Rm, GPRnopc:$Ra,
5921 pred:$p, cc_out:$s), 0>,
5922 Requires<[IsARM, NoV6]>;
5923 def : InstAlias<"smlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5924 (SMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5925 Requires<[IsARM, NoV6]>;
5926 def : InstAlias<"umlal${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5927 (UMLAL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5928 Requires<[IsARM, NoV6]>;
5929 def : InstAlias<"smull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5930 (SMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5931 Requires<[IsARM, NoV6]>;
5932 def : InstAlias<"umull${s}${p} $RdLo, $RdHi, $Rn, $Rm",
5933 (UMULL GPR:$RdLo, GPR:$RdHi, GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s), 0>,
5934 Requires<[IsARM, NoV6]>;
5936 // 'it' blocks in ARM mode just validate the predicates. The IT itself
5938 def ITasm : ARMAsmPseudo<"it$mask $cc", (ins it_pred:$cc, it_mask:$mask)>,
5939 ComplexDeprecationPredicate<"IT">;
5941 let mayLoad = 1, mayStore =1, hasSideEffects = 1 in
5942 def SPACE : PseudoInst<(outs GPR:$Rd), (ins i32imm:$size, GPR:$Rn),
5944 [(set GPR:$Rd, (int_arm_space imm:$size, GPR:$Rn))]>;
5946 //===----------------------------------
5947 // Atomic cmpxchg for -O0
5948 //===----------------------------------
5950 // The fast register allocator used during -O0 inserts spills to cover any VRegs
5951 // live across basic block boundaries. When this happens between an LDXR and an
5952 // STXR it can clear the exclusive monitor, causing all cmpxchg attempts to
5955 // Unfortunately, this means we have to have an alternative (expanded
5956 // post-regalloc) path for -O0 compilations. Fortunately this path can be
5957 // significantly more naive than the standard expansion: we conservatively
5958 // assume seq_cst, strong cmpxchg and omit clrex on failure.
5960 let Constraints = "@earlyclobber $Rd,@earlyclobber $status",
5961 mayLoad = 1, mayStore = 1 in {
5962 def CMP_SWAP_8 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5963 (ins GPR:$addr, GPR:$desired, GPR:$new),
5964 NoItinerary, []>, Sched<[]>;
5966 def CMP_SWAP_16 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5967 (ins GPR:$addr, GPR:$desired, GPR:$new),
5968 NoItinerary, []>, Sched<[]>;
5970 def CMP_SWAP_32 : PseudoInst<(outs GPR:$Rd, GPR:$status),
5971 (ins GPR:$addr, GPR:$desired, GPR:$new),
5972 NoItinerary, []>, Sched<[]>;
5974 def CMP_SWAP_64 : PseudoInst<(outs GPRPair:$Rd, GPR:$status),
5975 (ins GPR:$addr, GPRPair:$desired, GPRPair:$new),
5976 NoItinerary, []>, Sched<[]>;
5979 def CompilerBarrier : PseudoInst<(outs), (ins i32imm:$ordering), NoItinerary,
5980 [(atomic_fence imm:$ordering, 0)]> {
5981 let hasSideEffects = 1;
5983 let AsmString = "@ COMPILER BARRIER";