| //=- AArch64.td - Describe the AArch64 Target Machine --------*- 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Target-independent interfaces which we are implementing. |
| //===----------------------------------------------------------------------===// |
| |
| include "llvm/Target/Target.td" |
| |
| //===----------------------------------------------------------------------===// |
| // AArch64 Subtarget features. |
| // |
| |
| def FeatureFPARMv8 : SubtargetFeature<"fp-armv8", "HasFPARMv8", "true", |
| "Enable ARMv8 FP">; |
| |
| def FeatureNEON : SubtargetFeature<"neon", "HasNEON", "true", |
| "Enable Advanced SIMD instructions", [FeatureFPARMv8]>; |
| |
| def FeatureSM4 : SubtargetFeature< |
| "sm4", "HasSM4", "true", |
| "Enable SM3 and SM4 support", [FeatureNEON]>; |
| |
| def FeatureSHA2 : SubtargetFeature< |
| "sha2", "HasSHA2", "true", |
| "Enable SHA1 and SHA256 support", [FeatureNEON]>; |
| |
| def FeatureSHA3 : SubtargetFeature< |
| "sha3", "HasSHA3", "true", |
| "Enable SHA512 and SHA3 support", [FeatureNEON, FeatureSHA2]>; |
| |
| def FeatureAES : SubtargetFeature< |
| "aes", "HasAES", "true", |
| "Enable AES support", [FeatureNEON]>; |
| |
| // Crypto has been split up and any combination is now valid (see the |
| // crypto defintions above). Also, crypto is now context sensitive: |
| // it has a different meaning for e.g. Armv8.4 than it has for Armv8.2. |
| // Therefore, we rely on Clang, the user interacing tool, to pass on the |
| // appropriate crypto options. But here in the backend, crypto has very little |
| // meaning anymore. We kept the Crypto defintion here for backward |
| // compatibility, and now imply features SHA2 and AES, which was the |
| // "traditional" meaning of Crypto. |
| def FeatureCrypto : SubtargetFeature<"crypto", "HasCrypto", "true", |
| "Enable cryptographic instructions", [FeatureNEON, FeatureSHA2, FeatureAES]>; |
| |
| def FeatureCRC : SubtargetFeature<"crc", "HasCRC", "true", |
| "Enable ARMv8 CRC-32 checksum instructions">; |
| |
| def FeatureRAS : SubtargetFeature<"ras", "HasRAS", "true", |
| "Enable ARMv8 Reliability, Availability and Serviceability Extensions">; |
| |
| def FeatureLSE : SubtargetFeature<"lse", "HasLSE", "true", |
| "Enable ARMv8.1 Large System Extension (LSE) atomic instructions">; |
| |
| def FeatureRDM : SubtargetFeature<"rdm", "HasRDM", "true", |
| "Enable ARMv8.1 Rounding Double Multiply Add/Subtract instructions">; |
| |
| def FeaturePAN : SubtargetFeature< |
| "pan", "HasPAN", "true", |
| "Enables ARM v8.1 Privileged Access-Never extension">; |
| |
| def FeatureLOR : SubtargetFeature< |
| "lor", "HasLOR", "true", |
| "Enables ARM v8.1 Limited Ordering Regions extension">; |
| |
| def FeatureVH : SubtargetFeature< |
| "vh", "HasVH", "true", |
| "Enables ARM v8.1 Virtual Host extension">; |
| |
| def FeaturePerfMon : SubtargetFeature<"perfmon", "HasPerfMon", "true", |
| "Enable ARMv8 PMUv3 Performance Monitors extension">; |
| |
| def FeatureFullFP16 : SubtargetFeature<"fullfp16", "HasFullFP16", "true", |
| "Full FP16", [FeatureFPARMv8]>; |
| |
| def FeatureFP16FML : SubtargetFeature<"fp16fml", "HasFP16FML", "true", |
| "Enable FP16 FML instructions", [FeatureFullFP16]>; |
| |
| def FeatureSPE : SubtargetFeature<"spe", "HasSPE", "true", |
| "Enable Statistical Profiling extension">; |
| |
| def FeaturePAN_RWV : SubtargetFeature< |
| "pan-rwv", "HasPAN_RWV", "true", |
| "Enable v8.2 PAN s1e1R and s1e1W Variants", |
| [FeaturePAN]>; |
| |
| // UAO PState |
| def FeaturePsUAO : SubtargetFeature< "uaops", "HasPsUAO", "true", |
| "Enable v8.2 UAO PState">; |
| |
| def FeatureCCPP : SubtargetFeature<"ccpp", "HasCCPP", |
| "true", "Enable v8.2 data Cache Clean to Point of Persistence" >; |
| |
| def FeatureSVE : SubtargetFeature<"sve", "HasSVE", "true", |
| "Enable Scalable Vector Extension (SVE) instructions">; |
| |
| def FeatureSVE2 : SubtargetFeature<"sve2", "HasSVE2", "true", |
| "Enable Scalable Vector Extension 2 (SVE2) instructions", [FeatureSVE]>; |
| |
| def FeatureSVE2AES : SubtargetFeature<"sve2-aes", "HasSVE2AES", "true", |
| "Enable AES SVE2 instructions", [FeatureSVE2, FeatureAES]>; |
| |
| def FeatureSVE2SM4 : SubtargetFeature<"sve2-sm4", "HasSVE2SM4", "true", |
| "Enable SM4 SVE2 instructions", [FeatureSVE2, FeatureSM4]>; |
| |
| def FeatureSVE2SHA3 : SubtargetFeature<"sve2-sha3", "HasSVE2SHA3", "true", |
| "Enable SHA3 SVE2 instructions", [FeatureSVE2, FeatureSHA3]>; |
| |
| def FeatureSVE2BitPerm : SubtargetFeature<"sve2-bitperm", "HasSVE2BitPerm", "true", |
| "Enable bit permutation SVE2 instructions", [FeatureSVE2]>; |
| |
| def FeatureZCRegMove : SubtargetFeature<"zcm", "HasZeroCycleRegMove", "true", |
| "Has zero-cycle register moves">; |
| |
| def FeatureZCZeroingGP : SubtargetFeature<"zcz-gp", "HasZeroCycleZeroingGP", "true", |
| "Has zero-cycle zeroing instructions for generic registers">; |
| |
| def FeatureZCZeroingFP : SubtargetFeature<"zcz-fp", "HasZeroCycleZeroingFP", "true", |
| "Has zero-cycle zeroing instructions for FP registers">; |
| |
| def FeatureZCZeroing : SubtargetFeature<"zcz", "HasZeroCycleZeroing", "true", |
| "Has zero-cycle zeroing instructions", |
| [FeatureZCZeroingGP, FeatureZCZeroingFP]>; |
| |
| /// ... but the floating-point version doesn't quite work in rare cases on older |
| /// CPUs. |
| def FeatureZCZeroingFPWorkaround : SubtargetFeature<"zcz-fp-workaround", |
| "HasZeroCycleZeroingFPWorkaround", "true", |
| "The zero-cycle floating-point zeroing instruction has a bug">; |
| |
| def FeatureStrictAlign : SubtargetFeature<"strict-align", |
| "StrictAlign", "true", |
| "Disallow all unaligned memory " |
| "access">; |
| |
| foreach i = {1-7,9-15,18,20-28} in |
| def FeatureReserveX#i : SubtargetFeature<"reserve-x"#i, "ReserveXRegister["#i#"]", "true", |
| "Reserve X"#i#", making it unavailable " |
| "as a GPR">; |
| |
| foreach i = {8-15,18} in |
| def FeatureCallSavedX#i : SubtargetFeature<"call-saved-x"#i, |
| "CustomCallSavedXRegs["#i#"]", "true", "Make X"#i#" callee saved.">; |
| |
| def FeatureUseAA : SubtargetFeature<"use-aa", "UseAA", "true", |
| "Use alias analysis during codegen">; |
| |
| def FeatureBalanceFPOps : SubtargetFeature<"balance-fp-ops", "BalanceFPOps", |
| "true", |
| "balance mix of odd and even D-registers for fp multiply(-accumulate) ops">; |
| |
| def FeaturePredictableSelectIsExpensive : SubtargetFeature< |
| "predictable-select-expensive", "PredictableSelectIsExpensive", "true", |
| "Prefer likely predicted branches over selects">; |
| |
| def FeatureCustomCheapAsMoveHandling : SubtargetFeature<"custom-cheap-as-move", |
| "CustomAsCheapAsMove", "true", |
| "Use custom handling of cheap instructions">; |
| |
| def FeatureExynosCheapAsMoveHandling : SubtargetFeature<"exynos-cheap-as-move", |
| "ExynosAsCheapAsMove", "true", |
| "Use Exynos specific handling of cheap instructions", |
| [FeatureCustomCheapAsMoveHandling]>; |
| |
| def FeaturePostRAScheduler : SubtargetFeature<"use-postra-scheduler", |
| "UsePostRAScheduler", "true", "Schedule again after register allocation">; |
| |
| def FeatureSlowMisaligned128Store : SubtargetFeature<"slow-misaligned-128store", |
| "Misaligned128StoreIsSlow", "true", "Misaligned 128 bit stores are slow">; |
| |
| def FeatureSlowPaired128 : SubtargetFeature<"slow-paired-128", |
| "Paired128IsSlow", "true", "Paired 128 bit loads and stores are slow">; |
| |
| def FeatureSlowSTRQro : SubtargetFeature<"slow-strqro-store", "STRQroIsSlow", |
| "true", "STR of Q register with register offset is slow">; |
| |
| def FeatureAlternateSExtLoadCVTF32Pattern : SubtargetFeature< |
| "alternate-sextload-cvt-f32-pattern", "UseAlternateSExtLoadCVTF32Pattern", |
| "true", "Use alternative pattern for sextload convert to f32">; |
| |
| def FeatureArithmeticBccFusion : SubtargetFeature< |
| "arith-bcc-fusion", "HasArithmeticBccFusion", "true", |
| "CPU fuses arithmetic+bcc operations">; |
| |
| def FeatureArithmeticCbzFusion : SubtargetFeature< |
| "arith-cbz-fusion", "HasArithmeticCbzFusion", "true", |
| "CPU fuses arithmetic + cbz/cbnz operations">; |
| |
| def FeatureFuseAddress : SubtargetFeature< |
| "fuse-address", "HasFuseAddress", "true", |
| "CPU fuses address generation and memory operations">; |
| |
| def FeatureFuseAES : SubtargetFeature< |
| "fuse-aes", "HasFuseAES", "true", |
| "CPU fuses AES crypto operations">; |
| |
| def FeatureFuseArithmeticLogic : SubtargetFeature< |
| "fuse-arith-logic", "HasFuseArithmeticLogic", "true", |
| "CPU fuses arithmetic and logic operations">; |
| |
| def FeatureFuseCCSelect : SubtargetFeature< |
| "fuse-csel", "HasFuseCCSelect", "true", |
| "CPU fuses conditional select operations">; |
| |
| def FeatureFuseCryptoEOR : SubtargetFeature< |
| "fuse-crypto-eor", "HasFuseCryptoEOR", "true", |
| "CPU fuses AES/PMULL and EOR operations">; |
| |
| def FeatureFuseLiterals : SubtargetFeature< |
| "fuse-literals", "HasFuseLiterals", "true", |
| "CPU fuses literal generation operations">; |
| |
| def FeatureDisableLatencySchedHeuristic : SubtargetFeature< |
| "disable-latency-sched-heuristic", "DisableLatencySchedHeuristic", "true", |
| "Disable latency scheduling heuristic">; |
| |
| def FeatureForce32BitJumpTables |
| : SubtargetFeature<"force-32bit-jump-tables", "Force32BitJumpTables", "true", |
| "Force jump table entries to be 32-bits wide except at MinSize">; |
| |
| def FeatureRCPC : SubtargetFeature<"rcpc", "HasRCPC", "true", |
| "Enable support for RCPC extension">; |
| |
| def FeatureUseRSqrt : SubtargetFeature< |
| "use-reciprocal-square-root", "UseRSqrt", "true", |
| "Use the reciprocal square root approximation">; |
| |
| def FeatureDotProd : SubtargetFeature< |
| "dotprod", "HasDotProd", "true", |
| "Enable dot product support">; |
| |
| def FeaturePA : SubtargetFeature< |
| "pa", "HasPA", "true", |
| "Enable v8.3-A Pointer Authentication enchancement">; |
| |
| def FeatureJS : SubtargetFeature< |
| "jsconv", "HasJS", "true", |
| "Enable v8.3-A JavaScript FP conversion enchancement", |
| [FeatureFPARMv8]>; |
| |
| def FeatureCCIDX : SubtargetFeature< |
| "ccidx", "HasCCIDX", "true", |
| "Enable v8.3-A Extend of the CCSIDR number of sets">; |
| |
| def FeatureComplxNum : SubtargetFeature< |
| "complxnum", "HasComplxNum", "true", |
| "Enable v8.3-A Floating-point complex number support", |
| [FeatureNEON]>; |
| |
| def FeatureNV : SubtargetFeature< |
| "nv", "HasNV", "true", |
| "Enable v8.4-A Nested Virtualization Enchancement">; |
| |
| def FeatureRASv8_4 : SubtargetFeature< |
| "rasv8_4", "HasRASv8_4", "true", |
| "Enable v8.4-A Reliability, Availability and Serviceability extension", |
| [FeatureRAS]>; |
| |
| def FeatureMPAM : SubtargetFeature< |
| "mpam", "HasMPAM", "true", |
| "Enable v8.4-A Memory system Partitioning and Monitoring extension">; |
| |
| def FeatureDIT : SubtargetFeature< |
| "dit", "HasDIT", "true", |
| "Enable v8.4-A Data Independent Timing instructions">; |
| |
| def FeatureTRACEV8_4 : SubtargetFeature< |
| "tracev8.4", "HasTRACEV8_4", "true", |
| "Enable v8.4-A Trace extension">; |
| |
| def FeatureAM : SubtargetFeature< |
| "am", "HasAM", "true", |
| "Enable v8.4-A Activity Monitors extension">; |
| |
| def FeatureSEL2 : SubtargetFeature< |
| "sel2", "HasSEL2", "true", |
| "Enable v8.4-A Secure Exception Level 2 extension">; |
| |
| def FeaturePMU : SubtargetFeature< |
| "pmu", "HasPMU", "true", |
| "Enable v8.4-A PMU extension">; |
| |
| def FeatureTLB_RMI : SubtargetFeature< |
| "tlb-rmi", "HasTLB_RMI", "true", |
| "Enable v8.4-A TLB Range and Maintenance Instructions">; |
| |
| def FeatureFMI : SubtargetFeature< |
| "fmi", "HasFMI", "true", |
| "Enable v8.4-A Flag Manipulation Instructions">; |
| |
| // 8.4 RCPC enchancements: LDAPR & STLR instructions with Immediate Offset |
| def FeatureRCPC_IMMO : SubtargetFeature<"rcpc-immo", "HasRCPC_IMMO", "true", |
| "Enable v8.4-A RCPC instructions with Immediate Offsets", |
| [FeatureRCPC]>; |
| |
| def FeatureNoNegativeImmediates : SubtargetFeature<"no-neg-immediates", |
| "NegativeImmediates", "false", |
| "Convert immediates and instructions " |
| "to their negated or complemented " |
| "equivalent when the immediate does " |
| "not fit in the encoding.">; |
| |
| def FeatureLSLFast : SubtargetFeature< |
| "lsl-fast", "HasLSLFast", "true", |
| "CPU has a fastpath logical shift of up to 3 places">; |
| |
| def FeatureAggressiveFMA : |
| SubtargetFeature<"aggressive-fma", |
| "HasAggressiveFMA", |
| "true", |
| "Enable Aggressive FMA for floating-point.">; |
| |
| def FeatureAltFPCmp : SubtargetFeature<"altnzcv", "HasAlternativeNZCV", "true", |
| "Enable alternative NZCV format for floating point comparisons">; |
| |
| def FeatureFRInt3264 : SubtargetFeature<"fptoint", "HasFRInt3264", "true", |
| "Enable FRInt[32|64][Z|X] instructions that round a floating-point number to " |
| "an integer (in FP format) forcing it to fit into a 32- or 64-bit int" >; |
| |
| def FeatureSpecRestrict : SubtargetFeature<"specrestrict", "HasSpecRestrict", |
| "true", "Enable architectural speculation restriction" >; |
| |
| def FeatureSB : SubtargetFeature<"sb", "HasSB", |
| "true", "Enable v8.5 Speculation Barrier" >; |
| |
| def FeatureSSBS : SubtargetFeature<"ssbs", "HasSSBS", |
| "true", "Enable Speculative Store Bypass Safe bit" >; |
| |
| def FeaturePredRes : SubtargetFeature<"predres", "HasPredRes", "true", |
| "Enable v8.5a execution and data prediction invalidation instructions" >; |
| |
| def FeatureCacheDeepPersist : SubtargetFeature<"ccdp", "HasCCDP", |
| "true", "Enable v8.5 Cache Clean to Point of Deep Persistence" >; |
| |
| def FeatureBranchTargetId : SubtargetFeature<"bti", "HasBTI", |
| "true", "Enable Branch Target Identification" >; |
| |
| def FeatureRandGen : SubtargetFeature<"rand", "HasRandGen", |
| "true", "Enable Random Number generation instructions" >; |
| |
| def FeatureMTE : SubtargetFeature<"mte", "HasMTE", |
| "true", "Enable Memory Tagging Extension" >; |
| |
| def FeatureTRBE : SubtargetFeature<"trbe", "HasTRBE", |
| "true", "Enable Trace Buffer Extension">; |
| |
| def FeatureETE : SubtargetFeature<"ete", "HasETE", |
| "true", "Enable Embedded Trace Extension", |
| [FeatureTRBE]>; |
| |
| def FeatureTME : SubtargetFeature<"tme", "HasTME", |
| "true", "Enable Transactional Memory Extension" >; |
| |
| def FeatureTaggedGlobals : SubtargetFeature<"tagged-globals", |
| "AllowTaggedGlobals", |
| "true", "Use an instruction sequence for taking the address of a global " |
| "that allows a memory tag in the upper address bits">; |
| |
| //===----------------------------------------------------------------------===// |
| // Architectures. |
| // |
| |
| def HasV8_1aOps : SubtargetFeature<"v8.1a", "HasV8_1aOps", "true", |
| "Support ARM v8.1a instructions", [FeatureCRC, FeatureLSE, FeatureRDM, |
| FeaturePAN, FeatureLOR, FeatureVH]>; |
| |
| def HasV8_2aOps : SubtargetFeature<"v8.2a", "HasV8_2aOps", "true", |
| "Support ARM v8.2a instructions", [HasV8_1aOps, FeaturePsUAO, |
| FeaturePAN_RWV, FeatureRAS, FeatureCCPP]>; |
| |
| def HasV8_3aOps : SubtargetFeature<"v8.3a", "HasV8_3aOps", "true", |
| "Support ARM v8.3a instructions", [HasV8_2aOps, FeatureRCPC, FeaturePA, |
| FeatureJS, FeatureCCIDX, FeatureComplxNum]>; |
| |
| def HasV8_4aOps : SubtargetFeature<"v8.4a", "HasV8_4aOps", "true", |
| "Support ARM v8.4a instructions", [HasV8_3aOps, FeatureDotProd, |
| FeatureNV, FeatureRASv8_4, FeatureMPAM, FeatureDIT, |
| FeatureTRACEV8_4, FeatureAM, FeatureSEL2, FeaturePMU, FeatureTLB_RMI, |
| FeatureFMI, FeatureRCPC_IMMO]>; |
| |
| def HasV8_5aOps : SubtargetFeature< |
| "v8.5a", "HasV8_5aOps", "true", "Support ARM v8.5a instructions", |
| [HasV8_4aOps, FeatureAltFPCmp, FeatureFRInt3264, FeatureSpecRestrict, |
| FeatureSSBS, FeatureSB, FeaturePredRes, FeatureCacheDeepPersist, |
| FeatureBranchTargetId] |
| >; |
| |
| //===----------------------------------------------------------------------===// |
| // Register File Description |
| //===----------------------------------------------------------------------===// |
| |
| include "AArch64RegisterInfo.td" |
| include "AArch64RegisterBanks.td" |
| include "AArch64CallingConvention.td" |
| |
| //===----------------------------------------------------------------------===// |
| // Instruction Descriptions |
| //===----------------------------------------------------------------------===// |
| |
| include "AArch64Schedule.td" |
| include "AArch64InstrInfo.td" |
| include "AArch64SchedPredicates.td" |
| include "AArch64SchedPredExynos.td" |
| include "AArch64Combine.td" |
| |
| def AArch64InstrInfo : InstrInfo; |
| |
| //===----------------------------------------------------------------------===// |
| // Named operands for MRS/MSR/TLBI/... |
| //===----------------------------------------------------------------------===// |
| |
| include "AArch64SystemOperands.td" |
| |
| //===----------------------------------------------------------------------===// |
| // Access to privileged registers |
| //===----------------------------------------------------------------------===// |
| |
| foreach i = 1-3 in |
| def FeatureUseEL#i#ForTP : SubtargetFeature<"tpidr-el"#i, "UseEL"#i#"ForTP", |
| "true", "Permit use of TPIDR_EL"#i#" for the TLS base">; |
| |
| //===----------------------------------------------------------------------===// |
| // AArch64 Processors supported. |
| // |
| |
| //===----------------------------------------------------------------------===// |
| // Unsupported features to disable for scheduling models |
| //===----------------------------------------------------------------------===// |
| |
| class AArch64Unsupported { list<Predicate> F; } |
| |
| def SVEUnsupported : AArch64Unsupported { |
| let F = [HasSVE, HasSVE2, HasSVE2AES, HasSVE2SM4, HasSVE2SHA3, |
| HasSVE2BitPerm]; |
| } |
| |
| include "AArch64SchedA53.td" |
| include "AArch64SchedA57.td" |
| include "AArch64SchedCyclone.td" |
| include "AArch64SchedFalkor.td" |
| include "AArch64SchedKryo.td" |
| include "AArch64SchedExynosM3.td" |
| include "AArch64SchedExynosM4.td" |
| include "AArch64SchedExynosM5.td" |
| include "AArch64SchedThunderX.td" |
| include "AArch64SchedThunderX2T99.td" |
| |
| def ProcA35 : SubtargetFeature<"a35", "ARMProcFamily", "CortexA35", |
| "Cortex-A35 ARM processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeaturePerfMon |
| ]>; |
| |
| def ProcA53 : SubtargetFeature<"a53", "ARMProcFamily", "CortexA53", |
| "Cortex-A53 ARM processors", [ |
| FeatureBalanceFPOps, |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureCustomCheapAsMoveHandling, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeatureUseAA |
| ]>; |
| |
| def ProcA55 : SubtargetFeature<"a55", "ARMProcFamily", "CortexA55", |
| "Cortex-A55 ARM processors", [ |
| HasV8_2aOps, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureNEON, |
| FeatureFullFP16, |
| FeatureDotProd, |
| FeatureRCPC, |
| FeaturePerfMon |
| ]>; |
| |
| def ProcA57 : SubtargetFeature<"a57", "ARMProcFamily", "CortexA57", |
| "Cortex-A57 ARM processors", [ |
| FeatureBalanceFPOps, |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureCustomCheapAsMoveHandling, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureFuseLiterals, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive |
| ]>; |
| |
| def ProcA65 : SubtargetFeature<"a65", "ARMProcFamily", "CortexA65", |
| "Cortex-A65 ARM processors", [ |
| HasV8_2aOps, |
| FeatureCrypto, |
| FeatureDotProd, |
| FeatureFPARMv8, |
| FeatureFullFP16, |
| FeatureNEON, |
| FeatureRAS, |
| FeatureRCPC, |
| FeatureSSBS, |
| ]>; |
| |
| def ProcA72 : SubtargetFeature<"a72", "ARMProcFamily", "CortexA72", |
| "Cortex-A72 ARM processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureNEON, |
| FeaturePerfMon |
| ]>; |
| |
| def ProcA73 : SubtargetFeature<"a73", "ARMProcFamily", "CortexA73", |
| "Cortex-A73 ARM processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureNEON, |
| FeaturePerfMon |
| ]>; |
| |
| def ProcA75 : SubtargetFeature<"a75", "ARMProcFamily", "CortexA75", |
| "Cortex-A75 ARM processors", [ |
| HasV8_2aOps, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureNEON, |
| FeatureFullFP16, |
| FeatureDotProd, |
| FeatureRCPC, |
| FeaturePerfMon |
| ]>; |
| |
| def ProcA76 : SubtargetFeature<"a76", "ARMProcFamily", "CortexA76", |
| "Cortex-A76 ARM processors", [ |
| HasV8_2aOps, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeatureRCPC, |
| FeatureCrypto, |
| FeatureFullFP16, |
| FeatureDotProd, |
| FeatureSSBS |
| ]>; |
| |
| // Note that cyclone does not fuse AES instructions, but newer apple chips do |
| // perform the fusion and cyclone is used by default when targetting apple OSes. |
| def ProcAppleA7 : SubtargetFeature<"apple-a7", "ARMProcFamily", "AppleA7", |
| "Apple A7 (the CPU formerly known as Cyclone)", [ |
| FeatureAlternateSExtLoadCVTF32Pattern, |
| FeatureArithmeticBccFusion, |
| FeatureArithmeticCbzFusion, |
| FeatureCrypto, |
| FeatureDisableLatencySchedHeuristic, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureFuseCryptoEOR, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeatureZCRegMove, |
| FeatureZCZeroing, |
| FeatureZCZeroingFPWorkaround |
| ]>; |
| |
| def ProcAppleA10 : SubtargetFeature<"apple-a10", "ARMProcFamily", "AppleA10", |
| "Apple A10", [ |
| FeatureAlternateSExtLoadCVTF32Pattern, |
| FeatureArithmeticBccFusion, |
| FeatureArithmeticCbzFusion, |
| FeatureCrypto, |
| FeatureDisableLatencySchedHeuristic, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureFuseCryptoEOR, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeatureZCRegMove, |
| FeatureZCZeroing, |
| FeatureCRC, |
| FeatureRDM, |
| FeaturePAN, |
| FeatureLOR, |
| FeatureVH, |
| ]>; |
| |
| def ProcAppleA11 : SubtargetFeature<"apple-a11", "ARMProcFamily", "AppleA11", |
| "Apple A11", [ |
| FeatureAlternateSExtLoadCVTF32Pattern, |
| FeatureArithmeticBccFusion, |
| FeatureArithmeticCbzFusion, |
| FeatureCrypto, |
| FeatureDisableLatencySchedHeuristic, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureFuseCryptoEOR, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeatureZCRegMove, |
| FeatureZCZeroing, |
| FeatureFullFP16, |
| HasV8_2aOps |
| ]>; |
| |
| def ProcAppleA12 : SubtargetFeature<"apple-a12", "ARMProcFamily", "AppleA12", |
| "Apple A12", [ |
| FeatureAlternateSExtLoadCVTF32Pattern, |
| FeatureArithmeticBccFusion, |
| FeatureArithmeticCbzFusion, |
| FeatureCrypto, |
| FeatureDisableLatencySchedHeuristic, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureFuseCryptoEOR, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeatureZCRegMove, |
| FeatureZCZeroing, |
| FeatureFullFP16, |
| HasV8_3aOps |
| ]>; |
| |
| def ProcAppleA13 : SubtargetFeature<"apple-a13", "ARMProcFamily", "AppleA13", |
| "Apple A13", [ |
| FeatureAlternateSExtLoadCVTF32Pattern, |
| FeatureArithmeticBccFusion, |
| FeatureArithmeticCbzFusion, |
| FeatureCrypto, |
| FeatureDisableLatencySchedHeuristic, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureFuseCryptoEOR, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeatureZCRegMove, |
| FeatureZCZeroing, |
| FeatureFullFP16, |
| FeatureFP16FML, |
| FeatureSHA3, |
| HasV8_4aOps |
| ]>; |
| |
| def ProcExynosM3 : SubtargetFeature<"exynosm3", "ARMProcFamily", "ExynosM3", |
| "Samsung Exynos-M3 processors", |
| [FeatureCRC, |
| FeatureCrypto, |
| FeatureExynosCheapAsMoveHandling, |
| FeatureForce32BitJumpTables, |
| FeatureFuseAddress, |
| FeatureFuseAES, |
| FeatureFuseCCSelect, |
| FeatureFuseLiterals, |
| FeatureLSLFast, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureZCZeroingFP]>; |
| |
| def ProcExynosM4 : SubtargetFeature<"exynosm4", "ARMProcFamily", "ExynosM3", |
| "Samsung Exynos-M4 processors", |
| [HasV8_2aOps, |
| FeatureArithmeticBccFusion, |
| FeatureArithmeticCbzFusion, |
| FeatureCrypto, |
| FeatureDotProd, |
| FeatureExynosCheapAsMoveHandling, |
| FeatureForce32BitJumpTables, |
| FeatureFullFP16, |
| FeatureFuseAddress, |
| FeatureFuseAES, |
| FeatureFuseArithmeticLogic, |
| FeatureFuseCCSelect, |
| FeatureFuseLiterals, |
| FeatureLSLFast, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeatureZCZeroing]>; |
| |
| def ProcKryo : SubtargetFeature<"kryo", "ARMProcFamily", "Kryo", |
| "Qualcomm Kryo processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureCustomCheapAsMoveHandling, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureZCZeroing, |
| FeatureLSLFast |
| ]>; |
| |
| def ProcFalkor : SubtargetFeature<"falkor", "ARMProcFamily", "Falkor", |
| "Qualcomm Falkor processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureCustomCheapAsMoveHandling, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureRDM, |
| FeatureZCZeroing, |
| FeatureLSLFast, |
| FeatureSlowSTRQro |
| ]>; |
| |
| def ProcNeoverseE1 : SubtargetFeature<"neoversee1", "ARMProcFamily", |
| "NeoverseE1", |
| "Neoverse E1 ARM processors", [ |
| HasV8_2aOps, |
| FeatureCrypto, |
| FeatureDotProd, |
| FeatureFPARMv8, |
| FeatureFullFP16, |
| FeatureNEON, |
| FeatureRCPC, |
| FeatureSSBS, |
| ]>; |
| |
| def ProcNeoverseN1 : SubtargetFeature<"neoversen1", "ARMProcFamily", |
| "NeoverseN1", |
| "Neoverse N1 ARM processors", [ |
| HasV8_2aOps, |
| FeatureCrypto, |
| FeatureDotProd, |
| FeatureFPARMv8, |
| FeatureFullFP16, |
| FeatureNEON, |
| FeatureRCPC, |
| FeatureSPE, |
| FeatureSSBS, |
| ]>; |
| |
| def ProcSaphira : SubtargetFeature<"saphira", "ARMProcFamily", "Saphira", |
| "Qualcomm Saphira processors", [ |
| FeatureCrypto, |
| FeatureCustomCheapAsMoveHandling, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeatureSPE, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureZCZeroing, |
| FeatureLSLFast, |
| HasV8_4aOps]>; |
| |
| def ProcThunderX2T99 : SubtargetFeature<"thunderx2t99", "ARMProcFamily", |
| "ThunderX2T99", |
| "Cavium ThunderX2 processors", [ |
| FeatureAggressiveFMA, |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeatureArithmeticBccFusion, |
| FeatureNEON, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureLSE, |
| HasV8_1aOps]>; |
| |
| def ProcThunderX : SubtargetFeature<"thunderx", "ARMProcFamily", "ThunderX", |
| "Cavium ThunderX processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureNEON]>; |
| |
| def ProcThunderXT88 : SubtargetFeature<"thunderxt88", "ARMProcFamily", |
| "ThunderXT88", |
| "Cavium ThunderX processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureNEON]>; |
| |
| def ProcThunderXT81 : SubtargetFeature<"thunderxt81", "ARMProcFamily", |
| "ThunderXT81", |
| "Cavium ThunderX processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureNEON]>; |
| |
| def ProcThunderXT83 : SubtargetFeature<"thunderxt83", "ARMProcFamily", |
| "ThunderXT83", |
| "Cavium ThunderX processors", [ |
| FeatureCRC, |
| FeatureCrypto, |
| FeatureFPARMv8, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeaturePredictableSelectIsExpensive, |
| FeatureNEON]>; |
| |
| def ProcTSV110 : SubtargetFeature<"tsv110", "ARMProcFamily", "TSV110", |
| "HiSilicon TS-V110 processors", [ |
| HasV8_2aOps, |
| FeatureCrypto, |
| FeatureCustomCheapAsMoveHandling, |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| FeatureSPE, |
| FeatureFullFP16, |
| FeatureFP16FML, |
| FeatureDotProd]>; |
| |
| def : ProcessorModel<"generic", NoSchedModel, [ |
| FeatureFPARMv8, |
| FeatureFuseAES, |
| FeatureNEON, |
| FeaturePerfMon, |
| FeaturePostRAScheduler, |
| // ETE and TRBE are future architecture extensions. We temporariliy enable them |
| // by default for users targeting generic AArch64, until it is decided in which |
| // armv8.x-a architecture revision they will end up. The extensions do not |
| // affect code generated by the compiler and can be used only by explicitly |
| // mentioning the new system register names in assembly. |
| FeatureETE |
| ]>; |
| |
| def : ProcessorModel<"cortex-a35", CortexA53Model, [ProcA35]>; |
| def : ProcessorModel<"cortex-a53", CortexA53Model, [ProcA53]>; |
| def : ProcessorModel<"cortex-a55", CortexA53Model, [ProcA55]>; |
| def : ProcessorModel<"cortex-a57", CortexA57Model, [ProcA57]>; |
| def : ProcessorModel<"cortex-a65", CortexA53Model, [ProcA65]>; |
| def : ProcessorModel<"cortex-a65ae", CortexA53Model, [ProcA65]>; |
| def : ProcessorModel<"cortex-a72", CortexA57Model, [ProcA72]>; |
| def : ProcessorModel<"cortex-a73", CortexA57Model, [ProcA73]>; |
| def : ProcessorModel<"cortex-a75", CortexA57Model, [ProcA75]>; |
| def : ProcessorModel<"cortex-a76", CortexA57Model, [ProcA76]>; |
| def : ProcessorModel<"cortex-a76ae", CortexA57Model, [ProcA76]>; |
| def : ProcessorModel<"neoverse-e1", CortexA53Model, [ProcNeoverseE1]>; |
| def : ProcessorModel<"neoverse-n1", CortexA57Model, [ProcNeoverseN1]>; |
| def : ProcessorModel<"exynos-m3", ExynosM3Model, [ProcExynosM3]>; |
| def : ProcessorModel<"exynos-m4", ExynosM4Model, [ProcExynosM4]>; |
| def : ProcessorModel<"exynos-m5", ExynosM5Model, [ProcExynosM4]>; |
| def : ProcessorModel<"falkor", FalkorModel, [ProcFalkor]>; |
| def : ProcessorModel<"saphira", FalkorModel, [ProcSaphira]>; |
| def : ProcessorModel<"kryo", KryoModel, [ProcKryo]>; |
| // Cavium ThunderX/ThunderX T8X Processors |
| def : ProcessorModel<"thunderx", ThunderXT8XModel, [ProcThunderX]>; |
| def : ProcessorModel<"thunderxt88", ThunderXT8XModel, [ProcThunderXT88]>; |
| def : ProcessorModel<"thunderxt81", ThunderXT8XModel, [ProcThunderXT81]>; |
| def : ProcessorModel<"thunderxt83", ThunderXT8XModel, [ProcThunderXT83]>; |
| // Cavium ThunderX2T9X Processors. Formerly Broadcom Vulcan. |
| def : ProcessorModel<"thunderx2t99", ThunderX2T99Model, [ProcThunderX2T99]>; |
| // FIXME: HiSilicon TSV110 is currently modeled as a Cortex-A57. |
| def : ProcessorModel<"tsv110", CortexA57Model, [ProcTSV110]>; |
| |
| // Support cyclone as an alias for apple-a7 so we can still LTO old bitcode. |
| def : ProcessorModel<"cyclone", CycloneModel, [ProcAppleA7]>; |
| |
| // iPhone and iPad CPUs |
| def : ProcessorModel<"apple-a7", CycloneModel, [ProcAppleA7]>; |
| def : ProcessorModel<"apple-a8", CycloneModel, [ProcAppleA7]>; |
| def : ProcessorModel<"apple-a9", CycloneModel, [ProcAppleA7]>; |
| def : ProcessorModel<"apple-a10", CycloneModel, [ProcAppleA10]>; |
| def : ProcessorModel<"apple-a11", CycloneModel, [ProcAppleA11]>; |
| def : ProcessorModel<"apple-a12", CycloneModel, [ProcAppleA12]>; |
| def : ProcessorModel<"apple-a13", CycloneModel, [ProcAppleA13]>; |
| |
| // watch CPUs. |
| def : ProcessorModel<"apple-s4", CycloneModel, [ProcAppleA12]>; |
| def : ProcessorModel<"apple-s5", CycloneModel, [ProcAppleA12]>; |
| |
| // Alias for the latest Apple processor model supported by LLVM. |
| def : ProcessorModel<"apple-latest", CycloneModel, [ProcAppleA13]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Assembly parser |
| //===----------------------------------------------------------------------===// |
| |
| def GenericAsmParserVariant : AsmParserVariant { |
| int Variant = 0; |
| string Name = "generic"; |
| string BreakCharacters = "."; |
| string TokenizingCharacters = "[]*!/"; |
| } |
| |
| def AppleAsmParserVariant : AsmParserVariant { |
| int Variant = 1; |
| string Name = "apple-neon"; |
| string BreakCharacters = "."; |
| string TokenizingCharacters = "[]*!/"; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Assembly printer |
| //===----------------------------------------------------------------------===// |
| // AArch64 Uses the MC printer for asm output, so make sure the TableGen |
| // AsmWriter bits get associated with the correct class. |
| def GenericAsmWriter : AsmWriter { |
| string AsmWriterClassName = "InstPrinter"; |
| int PassSubtarget = 1; |
| int Variant = 0; |
| bit isMCAsmWriter = 1; |
| } |
| |
| def AppleAsmWriter : AsmWriter { |
| let AsmWriterClassName = "AppleInstPrinter"; |
| int PassSubtarget = 1; |
| int Variant = 1; |
| int isMCAsmWriter = 1; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Target Declaration |
| //===----------------------------------------------------------------------===// |
| |
| def AArch64 : Target { |
| let InstructionSet = AArch64InstrInfo; |
| let AssemblyParserVariants = [GenericAsmParserVariant, AppleAsmParserVariant]; |
| let AssemblyWriters = [GenericAsmWriter, AppleAsmWriter]; |
| let AllowRegisterRenaming = 1; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // Pfm Counters |
| //===----------------------------------------------------------------------===// |
| |
| include "AArch64PfmCounters.td" |
