/
AArch64InstrInfo.td
8132 lines (7181 loc) · 397 KB
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AArch64InstrInfo.td
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//=- AArch64InstrInfo.td - Describe the AArch64 Instructions -*- tablegen -*-=//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// AArch64 Instruction definitions.
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// ARM Instruction Predicate Definitions.
//
def HasV8_1a : Predicate<"Subtarget->hasV8_1aOps()">,
AssemblerPredicate<(all_of HasV8_1aOps), "armv8.1a">;
def HasV8_2a : Predicate<"Subtarget->hasV8_2aOps()">,
AssemblerPredicate<(all_of HasV8_2aOps), "armv8.2a">;
def HasV8_3a : Predicate<"Subtarget->hasV8_3aOps()">,
AssemblerPredicate<(all_of HasV8_3aOps), "armv8.3a">;
def HasV8_4a : Predicate<"Subtarget->hasV8_4aOps()">,
AssemblerPredicate<(all_of HasV8_4aOps), "armv8.4a">;
def HasV8_5a : Predicate<"Subtarget->hasV8_5aOps()">,
AssemblerPredicate<(all_of HasV8_5aOps), "armv8.5a">;
def HasV8_6a : Predicate<"Subtarget->hasV8_6aOps()">,
AssemblerPredicate<(all_of HasV8_6aOps), "armv8.6a">;
def HasV8_7a : Predicate<"Subtarget->hasV8_7aOps()">,
AssemblerPredicate<(all_of HasV8_7aOps), "armv8.7a">;
def HasVH : Predicate<"Subtarget->hasVH()">,
AssemblerPredicate<(all_of FeatureVH), "vh">;
def HasLOR : Predicate<"Subtarget->hasLOR()">,
AssemblerPredicate<(all_of FeatureLOR), "lor">;
def HasPAuth : Predicate<"Subtarget->hasPAuth()">,
AssemblerPredicate<(all_of FeaturePAuth), "pauth">;
def HasJS : Predicate<"Subtarget->hasJS()">,
AssemblerPredicate<(all_of FeatureJS), "jsconv">;
def HasCCIDX : Predicate<"Subtarget->hasCCIDX()">,
AssemblerPredicate<(all_of FeatureCCIDX), "ccidx">;
def HasComplxNum : Predicate<"Subtarget->hasComplxNum()">,
AssemblerPredicate<(all_of FeatureComplxNum), "complxnum">;
def HasNV : Predicate<"Subtarget->hasNV()">,
AssemblerPredicate<(all_of FeatureNV), "nv">;
def HasMPAM : Predicate<"Subtarget->hasMPAM()">,
AssemblerPredicate<(all_of FeatureMPAM), "mpam">;
def HasDIT : Predicate<"Subtarget->hasDIT()">,
AssemblerPredicate<(all_of FeatureDIT), "dit">;
def HasTRACEV8_4 : Predicate<"Subtarget->hasTRACEV8_4()">,
AssemblerPredicate<(all_of FeatureTRACEV8_4), "tracev8.4">;
def HasAM : Predicate<"Subtarget->hasAM()">,
AssemblerPredicate<(all_of FeatureAM), "am">;
def HasSEL2 : Predicate<"Subtarget->hasSEL2()">,
AssemblerPredicate<(all_of FeatureSEL2), "sel2">;
def HasPMU : Predicate<"Subtarget->hasPMU()">,
AssemblerPredicate<(all_of FeaturePMU), "pmu">;
def HasTLB_RMI : Predicate<"Subtarget->hasTLB_RMI()">,
AssemblerPredicate<(all_of FeatureTLB_RMI), "tlb-rmi">;
def HasFlagM : Predicate<"Subtarget->hasFlagM()">,
AssemblerPredicate<(all_of FeatureFlagM), "flagm">;
def HasRCPC_IMMO : Predicate<"Subtarget->hasRCPCImm()">,
AssemblerPredicate<(all_of FeatureRCPC_IMMO), "rcpc-immo">;
def HasFPARMv8 : Predicate<"Subtarget->hasFPARMv8()">,
AssemblerPredicate<(all_of FeatureFPARMv8), "fp-armv8">;
def HasNEON : Predicate<"Subtarget->hasNEON()">,
AssemblerPredicate<(all_of FeatureNEON), "neon">;
def HasCrypto : Predicate<"Subtarget->hasCrypto()">,
AssemblerPredicate<(all_of FeatureCrypto), "crypto">;
def HasSM4 : Predicate<"Subtarget->hasSM4()">,
AssemblerPredicate<(all_of FeatureSM4), "sm4">;
def HasSHA3 : Predicate<"Subtarget->hasSHA3()">,
AssemblerPredicate<(all_of FeatureSHA3), "sha3">;
def HasSHA2 : Predicate<"Subtarget->hasSHA2()">,
AssemblerPredicate<(all_of FeatureSHA2), "sha2">;
def HasAES : Predicate<"Subtarget->hasAES()">,
AssemblerPredicate<(all_of FeatureAES), "aes">;
def HasDotProd : Predicate<"Subtarget->hasDotProd()">,
AssemblerPredicate<(all_of FeatureDotProd), "dotprod">;
def HasCRC : Predicate<"Subtarget->hasCRC()">,
AssemblerPredicate<(all_of FeatureCRC), "crc">;
def HasLSE : Predicate<"Subtarget->hasLSE()">,
AssemblerPredicate<(all_of FeatureLSE), "lse">;
def HasNoLSE : Predicate<"!Subtarget->hasLSE()">;
def HasRAS : Predicate<"Subtarget->hasRAS()">,
AssemblerPredicate<(all_of FeatureRAS), "ras">;
def HasRDM : Predicate<"Subtarget->hasRDM()">,
AssemblerPredicate<(all_of FeatureRDM), "rdm">;
def HasPerfMon : Predicate<"Subtarget->hasPerfMon()">;
def HasFullFP16 : Predicate<"Subtarget->hasFullFP16()">,
AssemblerPredicate<(all_of FeatureFullFP16), "fullfp16">;
def HasFP16FML : Predicate<"Subtarget->hasFP16FML()">,
AssemblerPredicate<(all_of FeatureFP16FML), "fp16fml">;
def HasSPE : Predicate<"Subtarget->hasSPE()">,
AssemblerPredicate<(all_of FeatureSPE), "spe">;
def HasFuseAES : Predicate<"Subtarget->hasFuseAES()">,
AssemblerPredicate<(all_of FeatureFuseAES),
"fuse-aes">;
def HasSVE : Predicate<"Subtarget->hasSVE()">,
AssemblerPredicate<(all_of FeatureSVE), "sve">;
def HasSVE2 : Predicate<"Subtarget->hasSVE2()">,
AssemblerPredicate<(all_of FeatureSVE2), "sve2">;
def HasSVE2AES : Predicate<"Subtarget->hasSVE2AES()">,
AssemblerPredicate<(all_of FeatureSVE2AES), "sve2-aes">;
def HasSVE2SM4 : Predicate<"Subtarget->hasSVE2SM4()">,
AssemblerPredicate<(all_of FeatureSVE2SM4), "sve2-sm4">;
def HasSVE2SHA3 : Predicate<"Subtarget->hasSVE2SHA3()">,
AssemblerPredicate<(all_of FeatureSVE2SHA3), "sve2-sha3">;
def HasSVE2BitPerm : Predicate<"Subtarget->hasSVE2BitPerm()">,
AssemblerPredicate<(all_of FeatureSVE2BitPerm), "sve2-bitperm">;
def HasSME : Predicate<"Subtarget->hasSME()">,
AssemblerPredicate<(all_of FeatureSME), "sme">;
def HasSMEF64 : Predicate<"Subtarget->hasSMEF64()">,
AssemblerPredicate<(all_of FeatureSMEF64), "sme-f64">;
def HasSMEI64 : Predicate<"Subtarget->hasSMEI64()">,
AssemblerPredicate<(all_of FeatureSMEI64), "sme-i64">;
def HasStreamingSVE : Predicate<"Subtarget->hasStreamingSVE()">,
AssemblerPredicate<(all_of FeatureStreamingSVE), "streaming-sve">;
// A subset of SVE(2) instructions are legal in Streaming SVE execution mode,
// they should be enabled if either has been specified.
def HasSVEorStreamingSVE
: Predicate<"Subtarget->hasSVE() || Subtarget->hasStreamingSVE()">,
AssemblerPredicate<(any_of FeatureSVE, FeatureStreamingSVE),
"streaming-sve or sve">;
def HasSVE2orStreamingSVE
: Predicate<"Subtarget->hasSVE2() || Subtarget->hasStreamingSVE()">,
AssemblerPredicate<(any_of FeatureSVE2, FeatureStreamingSVE),
"streaming-sve or sve2">;
def HasRCPC : Predicate<"Subtarget->hasRCPC()">,
AssemblerPredicate<(all_of FeatureRCPC), "rcpc">;
def HasAltNZCV : Predicate<"Subtarget->hasAlternativeNZCV()">,
AssemblerPredicate<(all_of FeatureAltFPCmp), "altnzcv">;
def HasFRInt3264 : Predicate<"Subtarget->hasFRInt3264()">,
AssemblerPredicate<(all_of FeatureFRInt3264), "frint3264">;
def HasSB : Predicate<"Subtarget->hasSB()">,
AssemblerPredicate<(all_of FeatureSB), "sb">;
def HasPredRes : Predicate<"Subtarget->hasPredRes()">,
AssemblerPredicate<(all_of FeaturePredRes), "predres">;
def HasCCDP : Predicate<"Subtarget->hasCCDP()">,
AssemblerPredicate<(all_of FeatureCacheDeepPersist), "ccdp">;
def HasBTI : Predicate<"Subtarget->hasBTI()">,
AssemblerPredicate<(all_of FeatureBranchTargetId), "bti">;
def HasMTE : Predicate<"Subtarget->hasMTE()">,
AssemblerPredicate<(all_of FeatureMTE), "mte">;
def HasTME : Predicate<"Subtarget->hasTME()">,
AssemblerPredicate<(all_of FeatureTME), "tme">;
def HasETE : Predicate<"Subtarget->hasETE()">,
AssemblerPredicate<(all_of FeatureETE), "ete">;
def HasTRBE : Predicate<"Subtarget->hasTRBE()">,
AssemblerPredicate<(all_of FeatureTRBE), "trbe">;
def HasBF16 : Predicate<"Subtarget->hasBF16()">,
AssemblerPredicate<(all_of FeatureBF16), "bf16">;
def HasMatMulInt8 : Predicate<"Subtarget->hasMatMulInt8()">,
AssemblerPredicate<(all_of FeatureMatMulInt8), "i8mm">;
def HasMatMulFP32 : Predicate<"Subtarget->hasMatMulFP32()">,
AssemblerPredicate<(all_of FeatureMatMulFP32), "f32mm">;
def HasMatMulFP64 : Predicate<"Subtarget->hasMatMulFP64()">,
AssemblerPredicate<(all_of FeatureMatMulFP64), "f64mm">;
def HasXS : Predicate<"Subtarget->hasXS()">,
AssemblerPredicate<(all_of FeatureXS), "xs">;
def HasWFxT : Predicate<"Subtarget->hasWFxT()">,
AssemblerPredicate<(all_of FeatureWFxT), "wfxt">;
def HasLS64 : Predicate<"Subtarget->hasLS64()">,
AssemblerPredicate<(all_of FeatureLS64), "ls64">;
def HasBRBE : Predicate<"Subtarget->hasBRBE()">,
AssemblerPredicate<(all_of FeatureBRBE), "brbe">;
def HasSPE_EEF : Predicate<"Subtarget->hasSPE_EEF()">,
AssemblerPredicate<(all_of FeatureSPE_EEF), "spe-eef">;
def IsLE : Predicate<"Subtarget->isLittleEndian()">;
def IsBE : Predicate<"!Subtarget->isLittleEndian()">;
def IsWindows : Predicate<"Subtarget->isTargetWindows()">;
def UseExperimentalZeroingPseudos
: Predicate<"Subtarget->useExperimentalZeroingPseudos()">;
def UseAlternateSExtLoadCVTF32
: Predicate<"Subtarget->useAlternateSExtLoadCVTF32Pattern()">;
def UseNegativeImmediates
: Predicate<"false">, AssemblerPredicate<(all_of (not FeatureNoNegativeImmediates)),
"NegativeImmediates">;
def AArch64LocalRecover : SDNode<"ISD::LOCAL_RECOVER",
SDTypeProfile<1, 1, [SDTCisSameAs<0, 1>,
SDTCisInt<1>]>>;
//===----------------------------------------------------------------------===//
// AArch64-specific DAG Nodes.
//
// SDTBinaryArithWithFlagsOut - RES1, FLAGS = op LHS, RHS
def SDTBinaryArithWithFlagsOut : SDTypeProfile<2, 2,
[SDTCisSameAs<0, 2>,
SDTCisSameAs<0, 3>,
SDTCisInt<0>, SDTCisVT<1, i32>]>;
// SDTBinaryArithWithFlagsIn - RES1, FLAGS = op LHS, RHS, FLAGS
def SDTBinaryArithWithFlagsIn : SDTypeProfile<1, 3,
[SDTCisSameAs<0, 1>,
SDTCisSameAs<0, 2>,
SDTCisInt<0>,
SDTCisVT<3, i32>]>;
// SDTBinaryArithWithFlagsInOut - RES1, FLAGS = op LHS, RHS, FLAGS
def SDTBinaryArithWithFlagsInOut : SDTypeProfile<2, 3,
[SDTCisSameAs<0, 2>,
SDTCisSameAs<0, 3>,
SDTCisInt<0>,
SDTCisVT<1, i32>,
SDTCisVT<4, i32>]>;
def SDT_AArch64Brcond : SDTypeProfile<0, 3,
[SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>,
SDTCisVT<2, i32>]>;
def SDT_AArch64cbz : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisVT<1, OtherVT>]>;
def SDT_AArch64tbz : SDTypeProfile<0, 3, [SDTCisInt<0>, SDTCisInt<1>,
SDTCisVT<2, OtherVT>]>;
def SDT_AArch64CSel : SDTypeProfile<1, 4,
[SDTCisSameAs<0, 1>,
SDTCisSameAs<0, 2>,
SDTCisInt<3>,
SDTCisVT<4, i32>]>;
def SDT_AArch64CCMP : SDTypeProfile<1, 5,
[SDTCisVT<0, i32>,
SDTCisInt<1>,
SDTCisSameAs<1, 2>,
SDTCisInt<3>,
SDTCisInt<4>,
SDTCisVT<5, i32>]>;
def SDT_AArch64FCCMP : SDTypeProfile<1, 5,
[SDTCisVT<0, i32>,
SDTCisFP<1>,
SDTCisSameAs<1, 2>,
SDTCisInt<3>,
SDTCisInt<4>,
SDTCisVT<5, i32>]>;
def SDT_AArch64FCmp : SDTypeProfile<0, 2,
[SDTCisFP<0>,
SDTCisSameAs<0, 1>]>;
def SDT_AArch64Dup : SDTypeProfile<1, 1, [SDTCisVec<0>]>;
def SDT_AArch64DupLane : SDTypeProfile<1, 2, [SDTCisVec<0>, SDTCisInt<2>]>;
def SDT_AArch64Insr : SDTypeProfile<1, 2, [SDTCisVec<0>]>;
def SDT_AArch64Zip : SDTypeProfile<1, 2, [SDTCisVec<0>,
SDTCisSameAs<0, 1>,
SDTCisSameAs<0, 2>]>;
def SDT_AArch64MOVIedit : SDTypeProfile<1, 1, [SDTCisInt<1>]>;
def SDT_AArch64MOVIshift : SDTypeProfile<1, 2, [SDTCisInt<1>, SDTCisInt<2>]>;
def SDT_AArch64vecimm : SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisSameAs<0,1>,
SDTCisInt<2>, SDTCisInt<3>]>;
def SDT_AArch64UnaryVec: SDTypeProfile<1, 1, [SDTCisVec<0>, SDTCisSameAs<0,1>]>;
def SDT_AArch64ExtVec: SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisSameAs<0,1>,
SDTCisSameAs<0,2>, SDTCisInt<3>]>;
def SDT_AArch64vshift : SDTypeProfile<1, 2, [SDTCisSameAs<0,1>, SDTCisInt<2>]>;
def SDT_AArch64Dot: SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisSameAs<0,1>,
SDTCisVec<2>, SDTCisSameAs<2,3>]>;
def SDT_AArch64vshiftinsert : SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisInt<3>,
SDTCisSameAs<0,1>,
SDTCisSameAs<0,2>]>;
def SDT_AArch64unvec : SDTypeProfile<1, 1, [SDTCisVec<0>, SDTCisSameAs<0,1>]>;
def SDT_AArch64fcmpz : SDTypeProfile<1, 1, []>;
def SDT_AArch64fcmp : SDTypeProfile<1, 2, [SDTCisSameAs<1,2>]>;
def SDT_AArch64binvec : SDTypeProfile<1, 2, [SDTCisVec<0>, SDTCisSameAs<0,1>,
SDTCisSameAs<0,2>]>;
def SDT_AArch64trivec : SDTypeProfile<1, 3, [SDTCisVec<0>, SDTCisSameAs<0,1>,
SDTCisSameAs<0,2>,
SDTCisSameAs<0,3>]>;
def SDT_AArch64TCRET : SDTypeProfile<0, 2, [SDTCisPtrTy<0>]>;
def SDT_AArch64PREFETCH : SDTypeProfile<0, 2, [SDTCisVT<0, i32>, SDTCisPtrTy<1>]>;
def SDT_AArch64ITOF : SDTypeProfile<1, 1, [SDTCisFP<0>, SDTCisSameAs<0,1>]>;
def SDT_AArch64TLSDescCall : SDTypeProfile<0, -2, [SDTCisPtrTy<0>,
SDTCisPtrTy<1>]>;
def SDT_AArch64uaddlp : SDTypeProfile<1, 1, [SDTCisVec<0>, SDTCisVec<1>]>;
def SDT_AArch64ldp : SDTypeProfile<2, 1, [SDTCisVT<0, i64>, SDTCisSameAs<0, 1>, SDTCisPtrTy<2>]>;
def SDT_AArch64stp : SDTypeProfile<0, 3, [SDTCisVT<0, i64>, SDTCisSameAs<0, 1>, SDTCisPtrTy<2>]>;
def SDT_AArch64stnp : SDTypeProfile<0, 3, [SDTCisVT<0, v4i32>, SDTCisSameAs<0, 1>, SDTCisPtrTy<2>]>;
// Generates the general dynamic sequences, i.e.
// adrp x0, :tlsdesc:var
// ldr x1, [x0, #:tlsdesc_lo12:var]
// add x0, x0, #:tlsdesc_lo12:var
// .tlsdesccall var
// blr x1
// (the TPIDR_EL0 offset is put directly in X0, hence no "result" here)
// number of operands (the variable)
def SDT_AArch64TLSDescCallSeq : SDTypeProfile<0,1,
[SDTCisPtrTy<0>]>;
def SDT_AArch64WrapperLarge : SDTypeProfile<1, 4,
[SDTCisVT<0, i64>, SDTCisVT<1, i32>,
SDTCisSameAs<1, 2>, SDTCisSameAs<1, 3>,
SDTCisSameAs<1, 4>]>;
def SDT_AArch64TBL : SDTypeProfile<1, 2, [
SDTCisVec<0>, SDTCisSameAs<0, 1>, SDTCisInt<2>
]>;
// non-extending masked load fragment.
def nonext_masked_load :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(masked_ld node:$ptr, undef, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD &&
cast<MaskedLoadSDNode>(N)->isUnindexed() &&
!cast<MaskedLoadSDNode>(N)->isNonTemporal();
}]>;
// sign extending masked load fragments.
def asext_masked_load :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(masked_ld node:$ptr, undef, node:$pred, node:$def),[{
return (cast<MaskedLoadSDNode>(N)->getExtensionType() == ISD::EXTLOAD ||
cast<MaskedLoadSDNode>(N)->getExtensionType() == ISD::SEXTLOAD) &&
cast<MaskedLoadSDNode>(N)->isUnindexed();
}]>;
def asext_masked_load_i8 :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(asext_masked_load node:$ptr, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
}]>;
def asext_masked_load_i16 :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(asext_masked_load node:$ptr, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
}]>;
def asext_masked_load_i32 :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(asext_masked_load node:$ptr, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
}]>;
// zero extending masked load fragments.
def zext_masked_load :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(masked_ld node:$ptr, undef, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getExtensionType() == ISD::ZEXTLOAD &&
cast<MaskedLoadSDNode>(N)->isUnindexed();
}]>;
def zext_masked_load_i8 :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(zext_masked_load node:$ptr, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
}]>;
def zext_masked_load_i16 :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(zext_masked_load node:$ptr, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
}]>;
def zext_masked_load_i32 :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(zext_masked_load node:$ptr, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
}]>;
def non_temporal_load :
PatFrag<(ops node:$ptr, node:$pred, node:$def),
(masked_ld node:$ptr, undef, node:$pred, node:$def), [{
return cast<MaskedLoadSDNode>(N)->getExtensionType() == ISD::NON_EXTLOAD &&
cast<MaskedLoadSDNode>(N)->isUnindexed() &&
cast<MaskedLoadSDNode>(N)->isNonTemporal();
}]>;
// non-truncating masked store fragment.
def nontrunc_masked_store :
PatFrag<(ops node:$val, node:$ptr, node:$pred),
(masked_st node:$val, node:$ptr, undef, node:$pred), [{
return !cast<MaskedStoreSDNode>(N)->isTruncatingStore() &&
cast<MaskedStoreSDNode>(N)->isUnindexed() &&
!cast<MaskedStoreSDNode>(N)->isNonTemporal();
}]>;
// truncating masked store fragments.
def trunc_masked_store :
PatFrag<(ops node:$val, node:$ptr, node:$pred),
(masked_st node:$val, node:$ptr, undef, node:$pred), [{
return cast<MaskedStoreSDNode>(N)->isTruncatingStore() &&
cast<MaskedStoreSDNode>(N)->isUnindexed();
}]>;
def trunc_masked_store_i8 :
PatFrag<(ops node:$val, node:$ptr, node:$pred),
(trunc_masked_store node:$val, node:$ptr, node:$pred), [{
return cast<MaskedStoreSDNode>(N)->getMemoryVT().getScalarType() == MVT::i8;
}]>;
def trunc_masked_store_i16 :
PatFrag<(ops node:$val, node:$ptr, node:$pred),
(trunc_masked_store node:$val, node:$ptr, node:$pred), [{
return cast<MaskedStoreSDNode>(N)->getMemoryVT().getScalarType() == MVT::i16;
}]>;
def trunc_masked_store_i32 :
PatFrag<(ops node:$val, node:$ptr, node:$pred),
(trunc_masked_store node:$val, node:$ptr, node:$pred), [{
return cast<MaskedStoreSDNode>(N)->getMemoryVT().getScalarType() == MVT::i32;
}]>;
def non_temporal_store :
PatFrag<(ops node:$val, node:$ptr, node:$pred),
(masked_st node:$val, node:$ptr, undef, node:$pred), [{
return !cast<MaskedStoreSDNode>(N)->isTruncatingStore() &&
cast<MaskedStoreSDNode>(N)->isUnindexed() &&
cast<MaskedStoreSDNode>(N)->isNonTemporal();
}]>;
// Node definitions.
def AArch64adrp : SDNode<"AArch64ISD::ADRP", SDTIntUnaryOp, []>;
def AArch64adr : SDNode<"AArch64ISD::ADR", SDTIntUnaryOp, []>;
def AArch64addlow : SDNode<"AArch64ISD::ADDlow", SDTIntBinOp, []>;
def AArch64LOADgot : SDNode<"AArch64ISD::LOADgot", SDTIntUnaryOp>;
def AArch64callseq_start : SDNode<"ISD::CALLSEQ_START",
SDCallSeqStart<[ SDTCisVT<0, i32>,
SDTCisVT<1, i32> ]>,
[SDNPHasChain, SDNPOutGlue]>;
def AArch64callseq_end : SDNode<"ISD::CALLSEQ_END",
SDCallSeqEnd<[ SDTCisVT<0, i32>,
SDTCisVT<1, i32> ]>,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def AArch64call : SDNode<"AArch64ISD::CALL",
SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def AArch64call_rvmarker: SDNode<"AArch64ISD::CALL_RVMARKER",
SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>,
[SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def AArch64brcond : SDNode<"AArch64ISD::BRCOND", SDT_AArch64Brcond,
[SDNPHasChain]>;
def AArch64cbz : SDNode<"AArch64ISD::CBZ", SDT_AArch64cbz,
[SDNPHasChain]>;
def AArch64cbnz : SDNode<"AArch64ISD::CBNZ", SDT_AArch64cbz,
[SDNPHasChain]>;
def AArch64tbz : SDNode<"AArch64ISD::TBZ", SDT_AArch64tbz,
[SDNPHasChain]>;
def AArch64tbnz : SDNode<"AArch64ISD::TBNZ", SDT_AArch64tbz,
[SDNPHasChain]>;
def AArch64csel : SDNode<"AArch64ISD::CSEL", SDT_AArch64CSel>;
def AArch64csinv : SDNode<"AArch64ISD::CSINV", SDT_AArch64CSel>;
def AArch64csneg : SDNode<"AArch64ISD::CSNEG", SDT_AArch64CSel>;
def AArch64csinc : SDNode<"AArch64ISD::CSINC", SDT_AArch64CSel>;
def AArch64retflag : SDNode<"AArch64ISD::RET_FLAG", SDTNone,
[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
def AArch64adc : SDNode<"AArch64ISD::ADC", SDTBinaryArithWithFlagsIn >;
def AArch64sbc : SDNode<"AArch64ISD::SBC", SDTBinaryArithWithFlagsIn>;
def AArch64add_flag : SDNode<"AArch64ISD::ADDS", SDTBinaryArithWithFlagsOut,
[SDNPCommutative]>;
def AArch64sub_flag : SDNode<"AArch64ISD::SUBS", SDTBinaryArithWithFlagsOut>;
def AArch64and_flag : SDNode<"AArch64ISD::ANDS", SDTBinaryArithWithFlagsOut,
[SDNPCommutative]>;
def AArch64adc_flag : SDNode<"AArch64ISD::ADCS", SDTBinaryArithWithFlagsInOut>;
def AArch64sbc_flag : SDNode<"AArch64ISD::SBCS", SDTBinaryArithWithFlagsInOut>;
def AArch64ccmp : SDNode<"AArch64ISD::CCMP", SDT_AArch64CCMP>;
def AArch64ccmn : SDNode<"AArch64ISD::CCMN", SDT_AArch64CCMP>;
def AArch64fccmp : SDNode<"AArch64ISD::FCCMP", SDT_AArch64FCCMP>;
def AArch64threadpointer : SDNode<"AArch64ISD::THREAD_POINTER", SDTPtrLeaf>;
def AArch64fcmp : SDNode<"AArch64ISD::FCMP", SDT_AArch64FCmp>;
def AArch64strict_fcmp : SDNode<"AArch64ISD::STRICT_FCMP", SDT_AArch64FCmp,
[SDNPHasChain]>;
def AArch64strict_fcmpe : SDNode<"AArch64ISD::STRICT_FCMPE", SDT_AArch64FCmp,
[SDNPHasChain]>;
def AArch64any_fcmp : PatFrags<(ops node:$lhs, node:$rhs),
[(AArch64strict_fcmp node:$lhs, node:$rhs),
(AArch64fcmp node:$lhs, node:$rhs)]>;
def AArch64dup : SDNode<"AArch64ISD::DUP", SDT_AArch64Dup>;
def AArch64duplane8 : SDNode<"AArch64ISD::DUPLANE8", SDT_AArch64DupLane>;
def AArch64duplane16 : SDNode<"AArch64ISD::DUPLANE16", SDT_AArch64DupLane>;
def AArch64duplane32 : SDNode<"AArch64ISD::DUPLANE32", SDT_AArch64DupLane>;
def AArch64duplane64 : SDNode<"AArch64ISD::DUPLANE64", SDT_AArch64DupLane>;
def AArch64insr : SDNode<"AArch64ISD::INSR", SDT_AArch64Insr>;
def AArch64zip1 : SDNode<"AArch64ISD::ZIP1", SDT_AArch64Zip>;
def AArch64zip2 : SDNode<"AArch64ISD::ZIP2", SDT_AArch64Zip>;
def AArch64uzp1 : SDNode<"AArch64ISD::UZP1", SDT_AArch64Zip>;
def AArch64uzp2 : SDNode<"AArch64ISD::UZP2", SDT_AArch64Zip>;
def AArch64trn1 : SDNode<"AArch64ISD::TRN1", SDT_AArch64Zip>;
def AArch64trn2 : SDNode<"AArch64ISD::TRN2", SDT_AArch64Zip>;
def AArch64movi_edit : SDNode<"AArch64ISD::MOVIedit", SDT_AArch64MOVIedit>;
def AArch64movi_shift : SDNode<"AArch64ISD::MOVIshift", SDT_AArch64MOVIshift>;
def AArch64movi_msl : SDNode<"AArch64ISD::MOVImsl", SDT_AArch64MOVIshift>;
def AArch64mvni_shift : SDNode<"AArch64ISD::MVNIshift", SDT_AArch64MOVIshift>;
def AArch64mvni_msl : SDNode<"AArch64ISD::MVNImsl", SDT_AArch64MOVIshift>;
def AArch64movi : SDNode<"AArch64ISD::MOVI", SDT_AArch64MOVIedit>;
def AArch64fmov : SDNode<"AArch64ISD::FMOV", SDT_AArch64MOVIedit>;
def AArch64rev16 : SDNode<"AArch64ISD::REV16", SDT_AArch64UnaryVec>;
def AArch64rev32 : SDNode<"AArch64ISD::REV32", SDT_AArch64UnaryVec>;
def AArch64rev64 : SDNode<"AArch64ISD::REV64", SDT_AArch64UnaryVec>;
def AArch64ext : SDNode<"AArch64ISD::EXT", SDT_AArch64ExtVec>;
def AArch64vashr : SDNode<"AArch64ISD::VASHR", SDT_AArch64vshift>;
def AArch64vlshr : SDNode<"AArch64ISD::VLSHR", SDT_AArch64vshift>;
def AArch64vshl : SDNode<"AArch64ISD::VSHL", SDT_AArch64vshift>;
def AArch64sqshli : SDNode<"AArch64ISD::SQSHL_I", SDT_AArch64vshift>;
def AArch64uqshli : SDNode<"AArch64ISD::UQSHL_I", SDT_AArch64vshift>;
def AArch64sqshlui : SDNode<"AArch64ISD::SQSHLU_I", SDT_AArch64vshift>;
def AArch64srshri : SDNode<"AArch64ISD::SRSHR_I", SDT_AArch64vshift>;
def AArch64urshri : SDNode<"AArch64ISD::URSHR_I", SDT_AArch64vshift>;
def AArch64vsli : SDNode<"AArch64ISD::VSLI", SDT_AArch64vshiftinsert>;
def AArch64vsri : SDNode<"AArch64ISD::VSRI", SDT_AArch64vshiftinsert>;
def AArch64bit: SDNode<"AArch64ISD::BIT", SDT_AArch64trivec>;
def AArch64bsp: SDNode<"AArch64ISD::BSP", SDT_AArch64trivec>;
def AArch64cmeq: SDNode<"AArch64ISD::CMEQ", SDT_AArch64binvec>;
def AArch64cmge: SDNode<"AArch64ISD::CMGE", SDT_AArch64binvec>;
def AArch64cmgt: SDNode<"AArch64ISD::CMGT", SDT_AArch64binvec>;
def AArch64cmhi: SDNode<"AArch64ISD::CMHI", SDT_AArch64binvec>;
def AArch64cmhs: SDNode<"AArch64ISD::CMHS", SDT_AArch64binvec>;
def AArch64fcmeq: SDNode<"AArch64ISD::FCMEQ", SDT_AArch64fcmp>;
def AArch64fcmge: SDNode<"AArch64ISD::FCMGE", SDT_AArch64fcmp>;
def AArch64fcmgt: SDNode<"AArch64ISD::FCMGT", SDT_AArch64fcmp>;
def AArch64cmeqz: SDNode<"AArch64ISD::CMEQz", SDT_AArch64unvec>;
def AArch64cmgez: SDNode<"AArch64ISD::CMGEz", SDT_AArch64unvec>;
def AArch64cmgtz: SDNode<"AArch64ISD::CMGTz", SDT_AArch64unvec>;
def AArch64cmlez: SDNode<"AArch64ISD::CMLEz", SDT_AArch64unvec>;
def AArch64cmltz: SDNode<"AArch64ISD::CMLTz", SDT_AArch64unvec>;
def AArch64cmtst : PatFrag<(ops node:$LHS, node:$RHS),
(vnot (AArch64cmeqz (and node:$LHS, node:$RHS)))>;
def AArch64fcmeqz: SDNode<"AArch64ISD::FCMEQz", SDT_AArch64fcmpz>;
def AArch64fcmgez: SDNode<"AArch64ISD::FCMGEz", SDT_AArch64fcmpz>;
def AArch64fcmgtz: SDNode<"AArch64ISD::FCMGTz", SDT_AArch64fcmpz>;
def AArch64fcmlez: SDNode<"AArch64ISD::FCMLEz", SDT_AArch64fcmpz>;
def AArch64fcmltz: SDNode<"AArch64ISD::FCMLTz", SDT_AArch64fcmpz>;
def AArch64bici: SDNode<"AArch64ISD::BICi", SDT_AArch64vecimm>;
def AArch64orri: SDNode<"AArch64ISD::ORRi", SDT_AArch64vecimm>;
def AArch64tcret: SDNode<"AArch64ISD::TC_RETURN", SDT_AArch64TCRET,
[SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
def AArch64Prefetch : SDNode<"AArch64ISD::PREFETCH", SDT_AArch64PREFETCH,
[SDNPHasChain, SDNPSideEffect]>;
def AArch64sitof: SDNode<"AArch64ISD::SITOF", SDT_AArch64ITOF>;
def AArch64uitof: SDNode<"AArch64ISD::UITOF", SDT_AArch64ITOF>;
def AArch64tlsdesc_callseq : SDNode<"AArch64ISD::TLSDESC_CALLSEQ",
SDT_AArch64TLSDescCallSeq,
[SDNPInGlue, SDNPOutGlue, SDNPHasChain,
SDNPVariadic]>;
def AArch64WrapperLarge : SDNode<"AArch64ISD::WrapperLarge",
SDT_AArch64WrapperLarge>;
def AArch64NvCast : SDNode<"AArch64ISD::NVCAST", SDTUnaryOp>;
def SDT_AArch64mull : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisInt<1>,
SDTCisSameAs<1, 2>]>;
def AArch64smull : SDNode<"AArch64ISD::SMULL", SDT_AArch64mull>;
def AArch64umull : SDNode<"AArch64ISD::UMULL", SDT_AArch64mull>;
def AArch64frecpe : SDNode<"AArch64ISD::FRECPE", SDTFPUnaryOp>;
def AArch64frecps : SDNode<"AArch64ISD::FRECPS", SDTFPBinOp>;
def AArch64frsqrte : SDNode<"AArch64ISD::FRSQRTE", SDTFPUnaryOp>;
def AArch64frsqrts : SDNode<"AArch64ISD::FRSQRTS", SDTFPBinOp>;
def AArch64sdot : SDNode<"AArch64ISD::SDOT", SDT_AArch64Dot>;
def AArch64udot : SDNode<"AArch64ISD::UDOT", SDT_AArch64Dot>;
def AArch64saddv : SDNode<"AArch64ISD::SADDV", SDT_AArch64UnaryVec>;
def AArch64uaddv : SDNode<"AArch64ISD::UADDV", SDT_AArch64UnaryVec>;
def AArch64sminv : SDNode<"AArch64ISD::SMINV", SDT_AArch64UnaryVec>;
def AArch64uminv : SDNode<"AArch64ISD::UMINV", SDT_AArch64UnaryVec>;
def AArch64smaxv : SDNode<"AArch64ISD::SMAXV", SDT_AArch64UnaryVec>;
def AArch64umaxv : SDNode<"AArch64ISD::UMAXV", SDT_AArch64UnaryVec>;
def AArch64srhadd : SDNode<"AArch64ISD::SRHADD", SDT_AArch64binvec>;
def AArch64urhadd : SDNode<"AArch64ISD::URHADD", SDT_AArch64binvec>;
def AArch64shadd : SDNode<"AArch64ISD::SHADD", SDT_AArch64binvec>;
def AArch64uhadd : SDNode<"AArch64ISD::UHADD", SDT_AArch64binvec>;
def AArch64uabd : PatFrags<(ops node:$lhs, node:$rhs),
[(abdu node:$lhs, node:$rhs),
(int_aarch64_neon_uabd node:$lhs, node:$rhs)]>;
def AArch64sabd : PatFrags<(ops node:$lhs, node:$rhs),
[(abds node:$lhs, node:$rhs),
(int_aarch64_neon_sabd node:$lhs, node:$rhs)]>;
def AArch64uaddlp_n : SDNode<"AArch64ISD::UADDLP", SDT_AArch64uaddlp>;
def AArch64uaddlp : PatFrags<(ops node:$src),
[(AArch64uaddlp_n node:$src),
(int_aarch64_neon_uaddlp node:$src)]>;
def SDT_AArch64SETTAG : SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisPtrTy<1>]>;
def AArch64stg : SDNode<"AArch64ISD::STG", SDT_AArch64SETTAG, [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def AArch64stzg : SDNode<"AArch64ISD::STZG", SDT_AArch64SETTAG, [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def AArch64st2g : SDNode<"AArch64ISD::ST2G", SDT_AArch64SETTAG, [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def AArch64stz2g : SDNode<"AArch64ISD::STZ2G", SDT_AArch64SETTAG, [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def SDT_AArch64unpk : SDTypeProfile<1, 1, [
SDTCisInt<0>, SDTCisInt<1>, SDTCisOpSmallerThanOp<1, 0>
]>;
def AArch64sunpkhi : SDNode<"AArch64ISD::SUNPKHI", SDT_AArch64unpk>;
def AArch64sunpklo : SDNode<"AArch64ISD::SUNPKLO", SDT_AArch64unpk>;
def AArch64uunpkhi : SDNode<"AArch64ISD::UUNPKHI", SDT_AArch64unpk>;
def AArch64uunpklo : SDNode<"AArch64ISD::UUNPKLO", SDT_AArch64unpk>;
def AArch64ldp : SDNode<"AArch64ISD::LDP", SDT_AArch64ldp, [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
def AArch64stp : SDNode<"AArch64ISD::STP", SDT_AArch64stp, [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def AArch64stnp : SDNode<"AArch64ISD::STNP", SDT_AArch64stnp, [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
def AArch64tbl : SDNode<"AArch64ISD::TBL", SDT_AArch64TBL>;
def AArch64mrs : SDNode<"AArch64ISD::MRS",
SDTypeProfile<1, 1, [SDTCisVT<0, i64>, SDTCisVT<1, i32>]>,
[SDNPHasChain, SDNPOutGlue]>;
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// AArch64 Instruction Predicate Definitions.
// We could compute these on a per-module basis but doing so requires accessing
// the Function object through the <Target>Subtarget and objections were raised
// to that (see post-commit review comments for r301750).
let RecomputePerFunction = 1 in {
def ForCodeSize : Predicate<"shouldOptForSize(MF)">;
def NotForCodeSize : Predicate<"!shouldOptForSize(MF)">;
// Avoid generating STRQro if it is slow, unless we're optimizing for code size.
def UseSTRQro : Predicate<"!Subtarget->isSTRQroSlow() || shouldOptForSize(MF)">;
def UseBTI : Predicate<[{ MF->getInfo<AArch64FunctionInfo>()->branchTargetEnforcement() }]>;
def NotUseBTI : Predicate<[{ !MF->getInfo<AArch64FunctionInfo>()->branchTargetEnforcement() }]>;
def SLSBLRMitigation : Predicate<[{ MF->getSubtarget<AArch64Subtarget>().hardenSlsBlr() }]>;
def NoSLSBLRMitigation : Predicate<[{ !MF->getSubtarget<AArch64Subtarget>().hardenSlsBlr() }]>;
// Toggles patterns which aren't beneficial in GlobalISel when we aren't
// optimizing. This allows us to selectively use patterns without impacting
// SelectionDAG's behaviour.
// FIXME: One day there will probably be a nicer way to check for this, but
// today is not that day.
def OptimizedGISelOrOtherSelector : Predicate<"!MF->getFunction().hasOptNone() || MF->getProperties().hasProperty(MachineFunctionProperties::Property::FailedISel) || !MF->getProperties().hasProperty(MachineFunctionProperties::Property::Legalized)">;
}
include "AArch64InstrFormats.td"
include "SVEInstrFormats.td"
include "SMEInstrFormats.td"
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Miscellaneous instructions.
//===----------------------------------------------------------------------===//
let Defs = [SP], Uses = [SP], hasSideEffects = 1, isCodeGenOnly = 1 in {
// We set Sched to empty list because we expect these instructions to simply get
// removed in most cases.
def ADJCALLSTACKDOWN : Pseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
[(AArch64callseq_start timm:$amt1, timm:$amt2)]>,
Sched<[]>;
def ADJCALLSTACKUP : Pseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
[(AArch64callseq_end timm:$amt1, timm:$amt2)]>,
Sched<[]>;
} // Defs = [SP], Uses = [SP], hasSideEffects = 1, isCodeGenOnly = 1
let isReMaterializable = 1, isCodeGenOnly = 1 in {
// FIXME: The following pseudo instructions are only needed because remat
// cannot handle multiple instructions. When that changes, they can be
// removed, along with the AArch64Wrapper node.
let AddedComplexity = 10 in
def LOADgot : Pseudo<(outs GPR64:$dst), (ins i64imm:$addr),
[(set GPR64:$dst, (AArch64LOADgot tglobaladdr:$addr))]>,
Sched<[WriteLDAdr]>;
// The MOVaddr instruction should match only when the add is not folded
// into a load or store address.
def MOVaddr
: Pseudo<(outs GPR64:$dst), (ins i64imm:$hi, i64imm:$low),
[(set GPR64:$dst, (AArch64addlow (AArch64adrp tglobaladdr:$hi),
tglobaladdr:$low))]>,
Sched<[WriteAdrAdr]>;
def MOVaddrJT
: Pseudo<(outs GPR64:$dst), (ins i64imm:$hi, i64imm:$low),
[(set GPR64:$dst, (AArch64addlow (AArch64adrp tjumptable:$hi),
tjumptable:$low))]>,
Sched<[WriteAdrAdr]>;
def MOVaddrCP
: Pseudo<(outs GPR64:$dst), (ins i64imm:$hi, i64imm:$low),
[(set GPR64:$dst, (AArch64addlow (AArch64adrp tconstpool:$hi),
tconstpool:$low))]>,
Sched<[WriteAdrAdr]>;
def MOVaddrBA
: Pseudo<(outs GPR64:$dst), (ins i64imm:$hi, i64imm:$low),
[(set GPR64:$dst, (AArch64addlow (AArch64adrp tblockaddress:$hi),
tblockaddress:$low))]>,
Sched<[WriteAdrAdr]>;
def MOVaddrTLS
: Pseudo<(outs GPR64:$dst), (ins i64imm:$hi, i64imm:$low),
[(set GPR64:$dst, (AArch64addlow (AArch64adrp tglobaltlsaddr:$hi),
tglobaltlsaddr:$low))]>,
Sched<[WriteAdrAdr]>;
def MOVaddrEXT
: Pseudo<(outs GPR64:$dst), (ins i64imm:$hi, i64imm:$low),
[(set GPR64:$dst, (AArch64addlow (AArch64adrp texternalsym:$hi),
texternalsym:$low))]>,
Sched<[WriteAdrAdr]>;
// Normally AArch64addlow either gets folded into a following ldr/str,
// or together with an adrp into MOVaddr above. For cases with TLS, it
// might appear without either of them, so allow lowering it into a plain
// add.
def ADDlowTLS
: Pseudo<(outs GPR64:$dst), (ins GPR64:$src, i64imm:$low),
[(set GPR64:$dst, (AArch64addlow GPR64:$src,
tglobaltlsaddr:$low))]>,
Sched<[WriteAdr]>;
} // isReMaterializable, isCodeGenOnly
def : Pat<(AArch64LOADgot tglobaltlsaddr:$addr),
(LOADgot tglobaltlsaddr:$addr)>;
def : Pat<(AArch64LOADgot texternalsym:$addr),
(LOADgot texternalsym:$addr)>;
def : Pat<(AArch64LOADgot tconstpool:$addr),
(LOADgot tconstpool:$addr)>;
// 32-bit jump table destination is actually only 2 instructions since we can
// use the table itself as a PC-relative base. But optimization occurs after
// branch relaxation so be pessimistic.
let Size = 12, Constraints = "@earlyclobber $dst,@earlyclobber $scratch",
isNotDuplicable = 1 in {
def JumpTableDest32 : Pseudo<(outs GPR64:$dst, GPR64sp:$scratch),
(ins GPR64:$table, GPR64:$entry, i32imm:$jti), []>,
Sched<[]>;
def JumpTableDest16 : Pseudo<(outs GPR64:$dst, GPR64sp:$scratch),
(ins GPR64:$table, GPR64:$entry, i32imm:$jti), []>,
Sched<[]>;
def JumpTableDest8 : Pseudo<(outs GPR64:$dst, GPR64sp:$scratch),
(ins GPR64:$table, GPR64:$entry, i32imm:$jti), []>,
Sched<[]>;
}
// Space-consuming pseudo to aid testing of placement and reachability
// algorithms. Immediate operand is the number of bytes this "instruction"
// occupies; register operands can be used to enforce dependency and constrain
// the scheduler.
let hasSideEffects = 1, mayLoad = 1, mayStore = 1 in
def SPACE : Pseudo<(outs GPR64:$Rd), (ins i32imm:$size, GPR64:$Rn),
[(set GPR64:$Rd, (int_aarch64_space imm:$size, GPR64:$Rn))]>,
Sched<[]>;
let hasSideEffects = 1, isCodeGenOnly = 1 in {
def SpeculationSafeValueX
: Pseudo<(outs GPR64:$dst), (ins GPR64:$src), []>, Sched<[]>;
def SpeculationSafeValueW
: Pseudo<(outs GPR32:$dst), (ins GPR32:$src), []>, Sched<[]>;
}
// SpeculationBarrierEndBB must only be used after an unconditional control
// flow, i.e. after a terminator for which isBarrier is True.
let hasSideEffects = 1, isCodeGenOnly = 1, isTerminator = 1, isBarrier = 1 in {
def SpeculationBarrierISBDSBEndBB
: Pseudo<(outs), (ins), []>, Sched<[]>;
def SpeculationBarrierSBEndBB
: Pseudo<(outs), (ins), []>, Sched<[]>;
}
//===----------------------------------------------------------------------===//
// System instructions.
//===----------------------------------------------------------------------===//
def HINT : HintI<"hint">;
def : InstAlias<"nop", (HINT 0b000)>;
def : InstAlias<"yield",(HINT 0b001)>;
def : InstAlias<"wfe", (HINT 0b010)>;
def : InstAlias<"wfi", (HINT 0b011)>;
def : InstAlias<"sev", (HINT 0b100)>;
def : InstAlias<"sevl", (HINT 0b101)>;
def : InstAlias<"dgh", (HINT 0b110)>;
def : InstAlias<"esb", (HINT 0b10000)>, Requires<[HasRAS]>;
def : InstAlias<"csdb", (HINT 20)>;
// In order to be able to write readable assembly, LLVM should accept assembly
// inputs that use Branch Target Indentification mnemonics, even with BTI disabled.
// However, in order to be compatible with other assemblers (e.g. GAS), LLVM
// should not emit these mnemonics unless BTI is enabled.
def : InstAlias<"bti", (HINT 32), 0>;
def : InstAlias<"bti $op", (HINT btihint_op:$op), 0>;
def : InstAlias<"bti", (HINT 32)>, Requires<[HasBTI]>;
def : InstAlias<"bti $op", (HINT btihint_op:$op)>, Requires<[HasBTI]>;
// v8.2a Statistical Profiling extension
def : InstAlias<"psb $op", (HINT psbhint_op:$op)>, Requires<[HasSPE]>;
// As far as LLVM is concerned this writes to the system's exclusive monitors.
let mayLoad = 1, mayStore = 1 in
def CLREX : CRmSystemI<imm0_15, 0b010, "clrex">;
// NOTE: ideally, this would have mayStore = 0, mayLoad = 0, but we cannot
// model patterns with sufficiently fine granularity.
let mayLoad = ?, mayStore = ? in {
def DMB : CRmSystemI<barrier_op, 0b101, "dmb",
[(int_aarch64_dmb (i32 imm32_0_15:$CRm))]>;
def DSB : CRmSystemI<barrier_op, 0b100, "dsb",
[(int_aarch64_dsb (i32 imm32_0_15:$CRm))]>;
def ISB : CRmSystemI<barrier_op, 0b110, "isb",
[(int_aarch64_isb (i32 imm32_0_15:$CRm))]>;
def TSB : CRmSystemI<barrier_op, 0b010, "tsb", []> {
let CRm = 0b0010;
let Inst{12} = 0;
let Predicates = [HasTRACEV8_4];
}
def DSBnXS : CRmSystemI<barrier_nxs_op, 0b001, "dsb"> {
let CRm{1-0} = 0b11;
let Inst{9-8} = 0b10;
let Predicates = [HasXS];
}
let Predicates = [HasWFxT] in {
def WFET : RegInputSystemI<0b0000, 0b000, "wfet">;
def WFIT : RegInputSystemI<0b0000, 0b001, "wfit">;
}
// Branch Record Buffer two-word mnemonic instructions
class BRBEI<bits<3> op2, string keyword>
: SimpleSystemI<0, (ins), "brb", keyword>, Sched<[WriteSys]> {
let Inst{31-8} = 0b110101010000100101110010;
let Inst{7-5} = op2;
let Predicates = [HasBRBE];
}
def BRB_IALL: BRBEI<0b100, "\tiall">;
def BRB_INJ: BRBEI<0b101, "\tinj">;
}
// Allow uppercase and lowercase keyword arguments for BRB IALL and BRB INJ
def : TokenAlias<"INJ", "inj">;
def : TokenAlias<"IALL", "iall">;
// ARMv8.2-A Dot Product
let Predicates = [HasDotProd] in {
defm SDOT : SIMDThreeSameVectorDot<0, 0, "sdot", AArch64sdot>;
defm UDOT : SIMDThreeSameVectorDot<1, 0, "udot", AArch64udot>;
defm SDOTlane : SIMDThreeSameVectorDotIndex<0, 0, 0b10, "sdot", AArch64sdot>;
defm UDOTlane : SIMDThreeSameVectorDotIndex<1, 0, 0b10, "udot", AArch64udot>;
}
// ARMv8.6-A BFloat
let Predicates = [HasBF16] in {
defm BFDOT : SIMDThreeSameVectorBFDot<1, "bfdot">;
defm BF16DOTlane : SIMDThreeSameVectorBF16DotI<0, "bfdot">;
def BFMMLA : SIMDThreeSameVectorBF16MatrixMul<"bfmmla">;
def BFMLALB : SIMDBF16MLAL<0, "bfmlalb", int_aarch64_neon_bfmlalb>;
def BFMLALT : SIMDBF16MLAL<1, "bfmlalt", int_aarch64_neon_bfmlalt>;
def BFMLALBIdx : SIMDBF16MLALIndex<0, "bfmlalb", int_aarch64_neon_bfmlalb>;
def BFMLALTIdx : SIMDBF16MLALIndex<1, "bfmlalt", int_aarch64_neon_bfmlalt>;
def BFCVTN : SIMD_BFCVTN;
def BFCVTN2 : SIMD_BFCVTN2;
def BFCVT : BF16ToSinglePrecision<"bfcvt">;
// Vector-scalar BFDOT:
// The second source operand of the 64-bit variant of BF16DOTlane is a 128-bit
// register (the instruction uses a single 32-bit lane from it), so the pattern
// is a bit tricky.
def : Pat<(v2f32 (int_aarch64_neon_bfdot
(v2f32 V64:$Rd), (v4bf16 V64:$Rn),
(v4bf16 (bitconvert
(v2i32 (AArch64duplane32
(v4i32 (bitconvert
(v8bf16 (insert_subvector undef,
(v4bf16 V64:$Rm),
(i64 0))))),
VectorIndexS:$idx)))))),
(BF16DOTlanev4bf16 (v2f32 V64:$Rd), (v4bf16 V64:$Rn),
(SUBREG_TO_REG (i32 0), V64:$Rm, dsub),
VectorIndexS:$idx)>;
}
// ARMv8.6A AArch64 matrix multiplication
let Predicates = [HasMatMulInt8] in {
def SMMLA : SIMDThreeSameVectorMatMul<0, 0, "smmla", int_aarch64_neon_smmla>;
def UMMLA : SIMDThreeSameVectorMatMul<0, 1, "ummla", int_aarch64_neon_ummla>;
def USMMLA : SIMDThreeSameVectorMatMul<1, 0, "usmmla", int_aarch64_neon_usmmla>;
defm USDOT : SIMDThreeSameVectorDot<0, 1, "usdot", int_aarch64_neon_usdot>;
defm USDOTlane : SIMDThreeSameVectorDotIndex<0, 1, 0b10, "usdot", int_aarch64_neon_usdot>;
// sudot lane has a pattern where usdot is expected (there is no sudot).
// The second operand is used in the dup operation to repeat the indexed
// element.
class BaseSIMDSUDOTIndex<bit Q, string dst_kind, string lhs_kind,
string rhs_kind, RegisterOperand RegType,
ValueType AccumType, ValueType InputType>
: BaseSIMDThreeSameVectorDotIndex<Q, 0, 1, 0b00, "sudot", dst_kind,
lhs_kind, rhs_kind, RegType, AccumType,
InputType, null_frag> {
let Pattern = [(set (AccumType RegType:$dst),
(AccumType (int_aarch64_neon_usdot (AccumType RegType:$Rd),
(InputType (bitconvert (AccumType
(AArch64duplane32 (v4i32 V128:$Rm),
VectorIndexS:$idx)))),
(InputType RegType:$Rn))))];
}
multiclass SIMDSUDOTIndex {
def v8i8 : BaseSIMDSUDOTIndex<0, ".2s", ".8b", ".4b", V64, v2i32, v8i8>;
def v16i8 : BaseSIMDSUDOTIndex<1, ".4s", ".16b", ".4b", V128, v4i32, v16i8>;
}
defm SUDOTlane : SIMDSUDOTIndex;
}
// ARMv8.2-A FP16 Fused Multiply-Add Long
let Predicates = [HasNEON, HasFP16FML] in {
defm FMLAL : SIMDThreeSameVectorFML<0, 1, 0b001, "fmlal", int_aarch64_neon_fmlal>;
defm FMLSL : SIMDThreeSameVectorFML<0, 1, 0b101, "fmlsl", int_aarch64_neon_fmlsl>;
defm FMLAL2 : SIMDThreeSameVectorFML<1, 0, 0b001, "fmlal2", int_aarch64_neon_fmlal2>;
defm FMLSL2 : SIMDThreeSameVectorFML<1, 0, 0b101, "fmlsl2", int_aarch64_neon_fmlsl2>;
defm FMLALlane : SIMDThreeSameVectorFMLIndex<0, 0b0000, "fmlal", int_aarch64_neon_fmlal>;
defm FMLSLlane : SIMDThreeSameVectorFMLIndex<0, 0b0100, "fmlsl", int_aarch64_neon_fmlsl>;
defm FMLAL2lane : SIMDThreeSameVectorFMLIndex<1, 0b1000, "fmlal2", int_aarch64_neon_fmlal2>;
defm FMLSL2lane : SIMDThreeSameVectorFMLIndex<1, 0b1100, "fmlsl2", int_aarch64_neon_fmlsl2>;
}
// Armv8.2-A Crypto extensions
let Predicates = [HasSHA3] in {
def SHA512H : CryptoRRRTied<0b0, 0b00, "sha512h">;
def SHA512H2 : CryptoRRRTied<0b0, 0b01, "sha512h2">;
def SHA512SU0 : CryptoRRTied_2D<0b0, 0b00, "sha512su0">;
def SHA512SU1 : CryptoRRRTied_2D<0b0, 0b10, "sha512su1">;
def RAX1 : CryptoRRR_2D<0b0,0b11, "rax1">;
def EOR3 : CryptoRRRR_16B<0b00, "eor3">;
def BCAX : CryptoRRRR_16B<0b01, "bcax">;
def XAR : CryptoRRRi6<"xar">;
class SHA3_pattern<Instruction INST, Intrinsic OpNode, ValueType VecTy>
: Pat<(VecTy (OpNode (VecTy V128:$Vd), (VecTy V128:$Vn), (VecTy V128:$Vm))),
(INST (VecTy V128:$Vd), (VecTy V128:$Vn), (VecTy V128:$Vm))>;
def : Pat<(v2i64 (int_aarch64_crypto_sha512su0 (v2i64 V128:$Vn), (v2i64 V128:$Vm))),
(SHA512SU0 (v2i64 V128:$Vn), (v2i64 V128:$Vm))>;
def : SHA3_pattern<SHA512H, int_aarch64_crypto_sha512h, v2i64>;
def : SHA3_pattern<SHA512H2, int_aarch64_crypto_sha512h2, v2i64>;
def : SHA3_pattern<SHA512SU1, int_aarch64_crypto_sha512su1, v2i64>;
def : SHA3_pattern<EOR3, int_aarch64_crypto_eor3u, v16i8>;
def : SHA3_pattern<EOR3, int_aarch64_crypto_eor3u, v8i16>;
def : SHA3_pattern<EOR3, int_aarch64_crypto_eor3u, v4i32>;
def : SHA3_pattern<EOR3, int_aarch64_crypto_eor3u, v2i64>;
def : SHA3_pattern<BCAX, int_aarch64_crypto_bcaxu, v16i8>;
def : SHA3_pattern<BCAX, int_aarch64_crypto_bcaxu, v8i16>;
def : SHA3_pattern<BCAX, int_aarch64_crypto_bcaxu, v4i32>;
def : SHA3_pattern<BCAX, int_aarch64_crypto_bcaxu, v2i64>;
def : SHA3_pattern<EOR3, int_aarch64_crypto_eor3s, v16i8>;
def : SHA3_pattern<EOR3, int_aarch64_crypto_eor3s, v8i16>;
def : SHA3_pattern<EOR3, int_aarch64_crypto_eor3s, v4i32>;
def : SHA3_pattern<EOR3, int_aarch64_crypto_eor3s, v2i64>;
def : SHA3_pattern<BCAX, int_aarch64_crypto_bcaxs, v16i8>;
def : SHA3_pattern<BCAX, int_aarch64_crypto_bcaxs, v8i16>;
def : SHA3_pattern<BCAX, int_aarch64_crypto_bcaxs, v4i32>;
def : SHA3_pattern<BCAX, int_aarch64_crypto_bcaxs, v2i64>;
def : Pat<(v2i64 (int_aarch64_crypto_rax1 (v2i64 V128:$Vn), (v2i64 V128:$Vm))),
(RAX1 (v2i64 V128:$Vn), (v2i64 V128:$Vm))>;
def : Pat<(v2i64 (int_aarch64_crypto_xar (v2i64 V128:$Vn), (v2i64 V128:$Vm), (i64 timm0_63:$imm))),
(XAR (v2i64 V128:$Vn), (v2i64 V128:$Vm), (timm0_63:$imm))>;
} // HasSHA3
let Predicates = [HasSM4] in {
def SM3TT1A : CryptoRRRi2Tied<0b0, 0b00, "sm3tt1a">;
def SM3TT1B : CryptoRRRi2Tied<0b0, 0b01, "sm3tt1b">;
def SM3TT2A : CryptoRRRi2Tied<0b0, 0b10, "sm3tt2a">;