1//===-- ARMPredicates.td - ARM Instruction Predicates ------*- tablegen -*-===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9def HasV4T : Predicate<"Subtarget->hasV4TOps()">, 10 AssemblerPredicate<(all_of HasV4TOps), "armv4t">; 11def NoV4T : Predicate<"!Subtarget->hasV4TOps()">; 12def HasV5T : Predicate<"Subtarget->hasV5TOps()">, 13 AssemblerPredicate<(all_of HasV5TOps), "armv5t">; 14def NoV5T : Predicate<"!Subtarget->hasV5TOps()">; 15def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, 16 AssemblerPredicate<(all_of HasV5TEOps), "armv5te">; 17def HasV6 : Predicate<"Subtarget->hasV6Ops()">, 18 AssemblerPredicate<(all_of HasV6Ops), "armv6">; 19def NoV6 : Predicate<"!Subtarget->hasV6Ops()">; 20def HasV6M : Predicate<"Subtarget->hasV6MOps()">, 21 AssemblerPredicate<(all_of HasV6MOps), 22 "armv6m or armv6t2">; 23def HasV8MBaseline : Predicate<"Subtarget->hasV8MBaselineOps()">, 24 AssemblerPredicate<(all_of HasV8MBaselineOps), 25 "armv8m.base">; 26def HasV8MMainline : Predicate<"Subtarget->hasV8MMainlineOps()">, 27 AssemblerPredicate<(all_of HasV8MMainlineOps), 28 "armv8m.main">; 29def HasV8_1MMainline : Predicate<"Subtarget->hasV8_1MMainlineOps()">, 30 AssemblerPredicate<(all_of HasV8_1MMainlineOps), 31 "armv8.1m.main">; 32def HasMVEInt : Predicate<"Subtarget->hasMVEIntegerOps()">, 33 AssemblerPredicate<(all_of HasMVEIntegerOps), 34 "mve">; 35def HasMVEFloat : Predicate<"Subtarget->hasMVEFloatOps()">, 36 AssemblerPredicate<(all_of HasMVEFloatOps), 37 "mve.fp">; 38def HasCDE : Predicate<"Subtarget->hasCDEOps()">, 39 AssemblerPredicate<(all_of HasCDEOps), 40 "cde">; 41def HasFPRegs : Predicate<"Subtarget->hasFPRegs()">, 42 AssemblerPredicate<(all_of FeatureFPRegs), 43 "fp registers">; 44def HasFPRegs16 : Predicate<"Subtarget->hasFPRegs16()">, 45 AssemblerPredicate<(all_of FeatureFPRegs16), 46 "16-bit fp registers">; 47def HasNoFPRegs16 : Predicate<"!Subtarget->hasFPRegs16()">, 48 AssemblerPredicate<(all_of (not FeatureFPRegs16)), 49 "16-bit fp registers">; 50def HasFPRegs64 : Predicate<"Subtarget->hasFPRegs64()">, 51 AssemblerPredicate<(all_of FeatureFPRegs64), 52 "64-bit fp registers">; 53def HasFPRegsV8_1M : Predicate<"Subtarget->hasFPRegs() && Subtarget->hasV8_1MMainlineOps()">, 54 AssemblerPredicate<(all_of FeatureFPRegs, HasV8_1MMainlineOps), 55 "armv8.1m.main with FP or MVE">; 56def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, 57 AssemblerPredicate<(all_of HasV6T2Ops), "armv6t2">; 58def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">; 59def HasV6K : Predicate<"Subtarget->hasV6KOps()">, 60 AssemblerPredicate<(all_of HasV6KOps), "armv6k">; 61def NoV6K : Predicate<"!Subtarget->hasV6KOps()">; 62def HasV7 : Predicate<"Subtarget->hasV7Ops()">, 63 AssemblerPredicate<(all_of HasV7Ops), "armv7">; 64def HasV8 : Predicate<"Subtarget->hasV8Ops()">, 65 AssemblerPredicate<(all_of HasV8Ops), "armv8">; 66def PreV8 : Predicate<"!Subtarget->hasV8Ops()">, 67 AssemblerPredicate<(all_of (not HasV8Ops)), "armv7 or earlier">; 68def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">, 69 AssemblerPredicate<(all_of HasV8_1aOps), "armv8.1a">; 70def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">, 71 AssemblerPredicate<(all_of HasV8_2aOps), "armv8.2a">; 72def HasV8_3a : Predicate<"Subtarget->hasV8_3aOps()">, 73 AssemblerPredicate<(all_of HasV8_3aOps), "armv8.3a">; 74def HasV8_4a : Predicate<"Subtarget->hasV8_4aOps()">, 75 AssemblerPredicate<(all_of HasV8_4aOps), "armv8.4a">; 76def HasV8_5a : Predicate<"Subtarget->hasV8_5aOps()">, 77 AssemblerPredicate<(all_of HasV8_5aOps), "armv8.5a">; 78def HasV8_6a : Predicate<"Subtarget->hasV8_6aOps()">, 79 AssemblerPredicate<(all_of HasV8_6aOps), "armv8.6a">; 80def HasV8_7a : Predicate<"Subtarget->hasV8_7aOps()">, 81 AssemblerPredicate<(all_of HasV8_7aOps), "armv8.7a">; 82def NoVFP : Predicate<"!Subtarget->hasVFP2Base()">; 83def HasVFP2 : Predicate<"Subtarget->hasVFP2Base()">, 84 AssemblerPredicate<(all_of FeatureVFP2_SP), "VFP2">; 85def HasVFP3 : Predicate<"Subtarget->hasVFP3Base()">, 86 AssemblerPredicate<(all_of FeatureVFP3_D16_SP), "VFP3">; 87def HasVFP4 : Predicate<"Subtarget->hasVFP4Base()">, 88 AssemblerPredicate<(all_of FeatureVFP4_D16_SP), "VFP4">; 89def HasDPVFP : Predicate<"Subtarget->hasFP64()">, 90 AssemblerPredicate<(all_of FeatureFP64), 91 "double precision VFP">; 92def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8Base()">, 93 AssemblerPredicate<(all_of FeatureFPARMv8_D16_SP), "FPARMv8">; 94def HasNEON : Predicate<"Subtarget->hasNEON()">, 95 AssemblerPredicate<(all_of FeatureNEON), "NEON">; 96def HasSHA2 : Predicate<"Subtarget->hasSHA2()">, 97 AssemblerPredicate<(all_of FeatureSHA2), "sha2">; 98def HasAES : Predicate<"Subtarget->hasAES()">, 99 AssemblerPredicate<(all_of FeatureAES), "aes">; 100def HasCrypto : Predicate<"Subtarget->hasCrypto()">, 101 AssemblerPredicate<(all_of FeatureCrypto), "crypto">; 102def HasDotProd : Predicate<"Subtarget->hasDotProd()">, 103 AssemblerPredicate<(all_of FeatureDotProd), "dotprod">; 104def HasCRC : Predicate<"Subtarget->hasCRC()">, 105 AssemblerPredicate<(all_of FeatureCRC), "crc">; 106def HasRAS : Predicate<"Subtarget->hasRAS()">, 107 AssemblerPredicate<(all_of FeatureRAS), "ras">; 108def HasLOB : Predicate<"Subtarget->hasLOB()">, 109 AssemblerPredicate<(all_of FeatureLOB), "lob">; 110def HasPACBTI : Predicate<"Subtarget->hasPACBTI()">, 111 AssemblerPredicate<(all_of FeaturePACBTI), "pacbti">; 112def HasFP16 : Predicate<"Subtarget->hasFP16()">, 113 AssemblerPredicate<(all_of FeatureFP16),"half-float conversions">; 114def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">, 115 AssemblerPredicate<(all_of FeatureFullFP16),"full half-float">; 116def HasFP16FML : Predicate<"Subtarget->hasFP16FML()">, 117 AssemblerPredicate<(all_of FeatureFP16FML),"full half-float fml">; 118def HasBF16 : Predicate<"Subtarget->hasBF16()">, 119 AssemblerPredicate<(all_of FeatureBF16),"BFloat16 floating point extension">; 120def HasMatMulInt8 : Predicate<"Subtarget->hasMatMulInt8()">, 121 AssemblerPredicate<(all_of FeatureMatMulInt8),"8-bit integer matrix multiply">; 122def HasDivideInThumb : Predicate<"Subtarget->hasDivideInThumbMode()">, 123 AssemblerPredicate<(all_of FeatureHWDivThumb), "divide in THUMB">; 124def HasDivideInARM : Predicate<"Subtarget->hasDivideInARMMode()">, 125 AssemblerPredicate<(all_of FeatureHWDivARM), "divide in ARM">; 126def HasDSP : Predicate<"Subtarget->hasDSP()">, 127 AssemblerPredicate<(all_of FeatureDSP), "dsp">; 128def HasDB : Predicate<"Subtarget->hasDataBarrier()">, 129 AssemblerPredicate<(all_of FeatureDB), 130 "data-barriers">; 131def HasDFB : Predicate<"Subtarget->hasFullDataBarrier()">, 132 AssemblerPredicate<(all_of FeatureDFB), 133 "full-data-barrier">; 134def HasV7Clrex : Predicate<"Subtarget->hasV7Clrex()">, 135 AssemblerPredicate<(all_of FeatureV7Clrex), 136 "v7 clrex">; 137def HasAcquireRelease : Predicate<"Subtarget->hasAcquireRelease()">, 138 AssemblerPredicate<(all_of FeatureAcquireRelease), 139 "acquire/release">; 140def HasMP : Predicate<"Subtarget->hasMPExtension()">, 141 AssemblerPredicate<(all_of FeatureMP), 142 "mp-extensions">; 143def HasVirtualization: Predicate<"false">, 144 AssemblerPredicate<(all_of FeatureVirtualization), 145 "virtualization-extensions">; 146def HasTrustZone : Predicate<"Subtarget->hasTrustZone()">, 147 AssemblerPredicate<(all_of FeatureTrustZone), 148 "TrustZone">; 149def Has8MSecExt : Predicate<"Subtarget->has8MSecExt()">, 150 AssemblerPredicate<(all_of Feature8MSecExt), 151 "ARMv8-M Security Extensions">; 152def HasZCZ : Predicate<"Subtarget->hasZeroCycleZeroing()">; 153def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">; 154def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">; 155def IsThumb : Predicate<"Subtarget->isThumb()">, 156 AssemblerPredicate<(all_of ModeThumb), "thumb">; 157def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">; 158def IsThumb2 : Predicate<"Subtarget->isThumb2()">, 159 AssemblerPredicate<(all_of ModeThumb, FeatureThumb2), 160 "thumb2">; 161def IsMClass : Predicate<"Subtarget->isMClass()">, 162 AssemblerPredicate<(all_of FeatureMClass), "armv*m">; 163def IsNotMClass : Predicate<"!Subtarget->isMClass()">, 164 AssemblerPredicate<(all_of (not FeatureMClass)), 165 "!armv*m">; 166def IsARM : Predicate<"!Subtarget->isThumb()">, 167 AssemblerPredicate<(all_of (not ModeThumb)), "arm-mode">; 168def IsMachO : Predicate<"Subtarget->isTargetMachO()">; 169def IsNotMachO : Predicate<"!Subtarget->isTargetMachO()">; 170def IsNaCl : Predicate<"Subtarget->isTargetNaCl()">; 171def IsWindows : Predicate<"Subtarget->isTargetWindows()">; 172def IsNotWindows : Predicate<"!Subtarget->isTargetWindows()">; 173def IsReadTPTPIDRURW : Predicate<"Subtarget->isReadTPTPIDRURW()">; 174def IsReadTPTPIDRURO : Predicate<"Subtarget->isReadTPTPIDRURO()">; 175def IsReadTPTPIDRPRW : Predicate<"Subtarget->isReadTPTPIDRPRW()">; 176def IsReadTPSoft : Predicate<"Subtarget->isReadTPSoft()">; 177def UseNaClTrap : Predicate<"Subtarget->useNaClTrap()">, 178 AssemblerPredicate<(all_of FeatureNaClTrap), "NaCl">; 179def DontUseNaClTrap : Predicate<"!Subtarget->useNaClTrap()">; 180 181def UseNegativeImmediates : 182 Predicate<"false">, 183 AssemblerPredicate<(all_of (not FeatureNoNegativeImmediates)), 184 "NegativeImmediates">; 185 186// FIXME: Eventually this will be just "hasV6T2Ops". 187let RecomputePerFunction = 1 in { 188 def UseMovt : Predicate<"Subtarget->useMovt()">; 189 def DontUseMovt : Predicate<"!Subtarget->useMovt()">; 190 def UseMovtInPic : Predicate<"Subtarget->useMovt() && Subtarget->allowPositionIndependentMovt()">; 191 def DontUseMovtInPic : Predicate<"!Subtarget->useMovt() || !Subtarget->allowPositionIndependentMovt()">; 192 193 def UseFPVMLx: Predicate<"((Subtarget->useFPVMLx() &&" 194 " TM.Options.AllowFPOpFusion != FPOpFusion::Fast) ||" 195 "Subtarget->hasMinSize())">; 196 def SLSBLRMitigation : Predicate<[{ MF->getSubtarget<ARMSubtarget>().hardenSlsBlr() }]>; 197 def NoSLSBLRMitigation : Predicate<[{ !MF->getSubtarget<ARMSubtarget>().hardenSlsBlr() }]>; 198 199} 200def UseMulOps : Predicate<"Subtarget->useMulOps()">; 201 202// Prefer fused MAC for fp mul + add over fp VMLA / VMLS if they are available. 203// But only select them if more precision in FP computation is allowed, and when 204// they are not slower than a mul + add sequence. 205// Do not use them for Darwin platforms. 206def UseFusedMAC : Predicate<"TM.Options.AllowFPOpFusion ==" 207 " FPOpFusion::Fast && " 208 "Subtarget->useFPVFMx()">; 209 210def HasFastVGETLNi32 : Predicate<"!Subtarget->hasSlowVGETLNi32()">; 211def HasSlowVGETLNi32 : Predicate<"Subtarget->hasSlowVGETLNi32()">; 212 213def HasFastVDUP32 : Predicate<"!Subtarget->hasSlowVDUP32()">; 214def HasSlowVDUP32 : Predicate<"Subtarget->hasSlowVDUP32()">; 215 216def UseVMOVSR : Predicate<"Subtarget->preferVMOVSR() ||" 217 "!Subtarget->useNEONForSinglePrecisionFP()">; 218def DontUseVMOVSR : Predicate<"!Subtarget->preferVMOVSR() &&" 219 "Subtarget->useNEONForSinglePrecisionFP()">; 220 221let RecomputePerFunction = 1 in { 222 def IsLE : Predicate<"MF->getDataLayout().isLittleEndian()">; 223 def IsBE : Predicate<"MF->getDataLayout().isBigEndian()">; 224} 225 226def GenExecuteOnly : Predicate<"Subtarget->genExecuteOnly()">; 227def DontGenExecuteOnly : Predicate<"!Subtarget->genExecuteOnly()">; 228def GenT1ExecuteOnly : Predicate<"Subtarget->genExecuteOnly() && " 229 "Subtarget->isThumb1Only() && " 230 "!Subtarget->hasV8MBaselineOps()">; 231 232// Armv8.5-A extensions 233def HasSB : Predicate<"Subtarget->hasSB()">, 234 AssemblerPredicate<(all_of FeatureSB), "sb">; 235 236// Armv8.9-A/9.4-A 2022 Architecture extensions 237def HasCLRBHB : Predicate<"Subtarget->hasCLRBHB()">, 238 AssemblerPredicate<(all_of FeatureCLRBHB), "clrbhb">; 239