| //===-- ARM.td - Describe the ARM Target Machine -----------*- tablegen -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // |
| //===----------------------------------------------------------------------===// |
| |
| //===----------------------------------------------------------------------===// |
| // Target-independent interfaces which we are implementing |
| //===----------------------------------------------------------------------===// |
| |
| include "llvm/Target/Target.td" |
| |
| //===----------------------------------------------------------------------===// |
| // ARM Subtarget state. |
| // |
| |
| def ModeThumb : SubtargetFeature<"thumb-mode", "InThumbMode", |
| "true", "Thumb mode">; |
| |
| def ModeSoftFloat : SubtargetFeature<"soft-float","UseSoftFloat", |
| "true", "Use software floating " |
| "point features.">; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ARM Subtarget features. |
| // |
| |
| // Floating Point, HW Division and Neon Support |
| def FeatureVFP2 : SubtargetFeature<"vfp2", "HasVFPv2", "true", |
| "Enable VFP2 instructions">; |
| |
| def FeatureVFP3 : SubtargetFeature<"vfp3", "HasVFPv3", "true", |
| "Enable VFP3 instructions", |
| [FeatureVFP2]>; |
| |
| def FeatureNEON : SubtargetFeature<"neon", "HasNEON", "true", |
| "Enable NEON instructions", |
| [FeatureVFP3]>; |
| |
| def FeatureFP16 : SubtargetFeature<"fp16", "HasFP16", "true", |
| "Enable half-precision " |
| "floating point">; |
| |
| def FeatureVFP4 : SubtargetFeature<"vfp4", "HasVFPv4", "true", |
| "Enable VFP4 instructions", |
| [FeatureVFP3, FeatureFP16]>; |
| |
| def FeatureFPARMv8 : SubtargetFeature<"fp-armv8", "HasFPARMv8", |
| "true", "Enable ARMv8 FP", |
| [FeatureVFP4]>; |
| |
| def FeatureFullFP16 : SubtargetFeature<"fullfp16", "HasFullFP16", "true", |
| "Enable full half-precision " |
| "floating point", |
| [FeatureFPARMv8]>; |
| |
| def FeatureVFPOnlySP : SubtargetFeature<"fp-only-sp", "FPOnlySP", "true", |
| "Floating point unit supports " |
| "single precision only">; |
| |
| def FeatureD16 : SubtargetFeature<"d16", "HasD16", "true", |
| "Restrict FP to 16 double registers">; |
| |
| def FeatureHWDivThumb : SubtargetFeature<"hwdiv", |
| "HasHardwareDivideInThumb", "true", |
| "Enable divide instructions in Thumb">; |
| |
| def FeatureHWDivARM : SubtargetFeature<"hwdiv-arm", |
| "HasHardwareDivideInARM", "true", |
| "Enable divide instructions in ARM mode">; |
| |
| // Atomic Support |
| def FeatureDB : SubtargetFeature<"db", "HasDataBarrier", "true", |
| "Has data barrier (dmb/dsb) instructions">; |
| |
| def FeatureV7Clrex : SubtargetFeature<"v7clrex", "HasV7Clrex", "true", |
| "Has v7 clrex instruction">; |
| |
| def FeatureDFB : SubtargetFeature<"dfb", "HasFullDataBarrier", "true", |
| "Has full data barrier (dfb) instruction">; |
| |
| def FeatureAcquireRelease : SubtargetFeature<"acquire-release", |
| "HasAcquireRelease", "true", |
| "Has v8 acquire/release (lda/ldaex " |
| " etc) instructions">; |
| |
| |
| def FeatureSlowFPBrcc : SubtargetFeature<"slow-fp-brcc", "SlowFPBrcc", "true", |
| "FP compare + branch is slow">; |
| |
| def FeaturePerfMon : SubtargetFeature<"perfmon", "HasPerfMon", "true", |
| "Enable support for Performance " |
| "Monitor extensions">; |
| |
| |
| // TrustZone Security Extensions |
| def FeatureTrustZone : SubtargetFeature<"trustzone", "HasTrustZone", "true", |
| "Enable support for TrustZone " |
| "security extensions">; |
| |
| def Feature8MSecExt : SubtargetFeature<"8msecext", "Has8MSecExt", "true", |
| "Enable support for ARMv8-M " |
| "Security Extensions">; |
| |
| def FeatureSHA2 : SubtargetFeature<"sha2", "HasSHA2", "true", |
| "Enable SHA1 and SHA256 support", [FeatureNEON]>; |
| |
| def FeatureAES : SubtargetFeature<"aes", "HasAES", "true", |
| "Enable AES support", [FeatureNEON]>; |
| |
| def FeatureCrypto : SubtargetFeature<"crypto", "HasCrypto", "true", |
| "Enable support for " |
| "Cryptography extensions", |
| [FeatureNEON, FeatureSHA2, FeatureAES]>; |
| |
| def FeatureCRC : SubtargetFeature<"crc", "HasCRC", "true", |
| "Enable support for CRC instructions">; |
| |
| def FeatureDotProd : SubtargetFeature<"dotprod", "HasDotProd", "true", |
| "Enable support for dot product instructions", |
| [FeatureNEON]>; |
| |
| // Not to be confused with FeatureHasRetAddrStack (return address stack) |
| def FeatureRAS : SubtargetFeature<"ras", "HasRAS", "true", |
| "Enable Reliability, Availability " |
| "and Serviceability extensions">; |
| |
| // Fast computation of non-negative address offsets |
| def FeatureFPAO : SubtargetFeature<"fpao", "HasFPAO", "true", |
| "Enable fast computation of " |
| "positive address offsets">; |
| |
| // Fast execution of AES crypto operations |
| def FeatureFuseAES : SubtargetFeature<"fuse-aes", "HasFuseAES", "true", |
| "CPU fuses AES crypto operations">; |
| |
| // Fast execution of bottom and top halves of literal generation |
| def FeatureFuseLiterals : SubtargetFeature<"fuse-literals", "HasFuseLiterals", "true", |
| "CPU fuses literal generation operations">; |
| |
| // The way of reading thread pointer |
| def FeatureReadTp : SubtargetFeature<"read-tp-hard", "ReadTPHard", "true", |
| "Reading thread pointer from register">; |
| |
| // Cyclone can zero VFP registers in 0 cycles. |
| def FeatureZCZeroing : SubtargetFeature<"zcz", "HasZeroCycleZeroing", "true", |
| "Has zero-cycle zeroing instructions">; |
| |
| // Whether it is profitable to unpredicate certain instructions during if-conversion |
| def FeatureProfUnpredicate : SubtargetFeature<"prof-unpr", |
| "IsProfitableToUnpredicate", "true", |
| "Is profitable to unpredicate">; |
| |
| // Some targets (e.g. Swift) have microcoded VGETLNi32. |
| def FeatureSlowVGETLNi32 : SubtargetFeature<"slow-vgetlni32", |
| "HasSlowVGETLNi32", "true", |
| "Has slow VGETLNi32 - prefer VMOV">; |
| |
| // Some targets (e.g. Swift) have microcoded VDUP32. |
| def FeatureSlowVDUP32 : SubtargetFeature<"slow-vdup32", "HasSlowVDUP32", |
| "true", |
| "Has slow VDUP32 - prefer VMOV">; |
| |
| // Some targets (e.g. Cortex-A9) prefer VMOVSR to VMOVDRR even when using NEON |
| // for scalar FP, as this allows more effective execution domain optimization. |
| def FeaturePreferVMOVSR : SubtargetFeature<"prefer-vmovsr", "PreferVMOVSR", |
| "true", "Prefer VMOVSR">; |
| |
| // Swift has ISHST barriers compatible with Atomic Release semantics but weaker |
| // than ISH |
| def FeaturePrefISHSTBarrier : SubtargetFeature<"prefer-ishst", "PreferISHST", |
| "true", "Prefer ISHST barriers">; |
| |
| // Some targets (e.g. Cortex-A9) have muxed AGU and NEON/FPU. |
| def FeatureMuxedUnits : SubtargetFeature<"muxed-units", "HasMuxedUnits", |
| "true", |
| "Has muxed AGU and NEON/FPU">; |
| |
| // Whether VLDM/VSTM starting with odd register number need more microops |
| // than single VLDRS |
| def FeatureSlowOddRegister : SubtargetFeature<"slow-odd-reg", "SlowOddRegister", |
| "true", "VLDM/VSTM starting " |
| "with an odd register is slow">; |
| |
| // Some targets have a renaming dependency when loading into D subregisters. |
| def FeatureSlowLoadDSubreg : SubtargetFeature<"slow-load-D-subreg", |
| "SlowLoadDSubregister", "true", |
| "Loading into D subregs is slow">; |
| |
| // Some targets (e.g. Cortex-A15) never want VMOVS to be widened to VMOVD. |
| def FeatureDontWidenVMOVS : SubtargetFeature<"dont-widen-vmovs", |
| "DontWidenVMOVS", "true", |
| "Don't widen VMOVS to VMOVD">; |
| |
| // Some targets (e.g. Cortex-A15) prefer to avoid mixing operations on different |
| // VFP register widths. |
| def FeatureSplatVFPToNeon : SubtargetFeature<"splat-vfp-neon", |
| "SplatVFPToNeon", "true", |
| "Splat register from VFP to NEON", |
| [FeatureDontWidenVMOVS]>; |
| |
| // Whether or not it is profitable to expand VFP/NEON MLA/MLS instructions. |
| def FeatureExpandMLx : SubtargetFeature<"expand-fp-mlx", |
| "ExpandMLx", "true", |
| "Expand VFP/NEON MLA/MLS instructions">; |
| |
| // Some targets have special RAW hazards for VFP/NEON VMLA/VMLS. |
| def FeatureHasVMLxHazards : SubtargetFeature<"vmlx-hazards", "HasVMLxHazards", |
| "true", "Has VMLx hazards">; |
| |
| // Some targets (e.g. Cortex-A9) want to convert VMOVRS, VMOVSR and VMOVS from |
| // VFP to NEON, as an execution domain optimization. |
| def FeatureNEONForFPMovs : SubtargetFeature<"neon-fpmovs", |
| "UseNEONForFPMovs", "true", |
| "Convert VMOVSR, VMOVRS, " |
| "VMOVS to NEON">; |
| |
| // Some processors benefit from using NEON instructions for scalar |
| // single-precision FP operations. This affects instruction selection and should |
| // only be enabled if the handling of denormals is not important. |
| def FeatureNEONForFP : SubtargetFeature<"neonfp", |
| "UseNEONForSinglePrecisionFP", |
| "true", |
| "Use NEON for single precision FP">; |
| |
| // On some processors, VLDn instructions that access unaligned data take one |
| // extra cycle. Take that into account when computing operand latencies. |
| def FeatureCheckVLDnAlign : SubtargetFeature<"vldn-align", "CheckVLDnAlign", |
| "true", |
| "Check for VLDn unaligned access">; |
| |
| // Some processors have a nonpipelined VFP coprocessor. |
| def FeatureNonpipelinedVFP : SubtargetFeature<"nonpipelined-vfp", |
| "NonpipelinedVFP", "true", |
| "VFP instructions are not pipelined">; |
| |
| // Some processors have FP multiply-accumulate instructions that don't |
| // play nicely with other VFP / NEON instructions, and it's generally better |
| // to just not use them. |
| def FeatureHasSlowFPVMLx : SubtargetFeature<"slowfpvmlx", "SlowFPVMLx", "true", |
| "Disable VFP / NEON MAC instructions">; |
| |
| // Cortex-A8 / A9 Advanced SIMD has multiplier accumulator forwarding. |
| def FeatureVMLxForwarding : SubtargetFeature<"vmlx-forwarding", |
| "HasVMLxForwarding", "true", |
| "Has multiplier accumulator forwarding">; |
| |
| // Disable 32-bit to 16-bit narrowing for experimentation. |
| def FeaturePref32BitThumb : SubtargetFeature<"32bit", "Pref32BitThumb", "true", |
| "Prefer 32-bit Thumb instrs">; |
| |
| /// Some instructions update CPSR partially, which can add false dependency for |
| /// out-of-order implementation, e.g. Cortex-A9, unless each individual bit is |
| /// mapped to a separate physical register. Avoid partial CPSR update for these |
| /// processors. |
| def FeatureAvoidPartialCPSR : SubtargetFeature<"avoid-partial-cpsr", |
| "AvoidCPSRPartialUpdate", "true", |
| "Avoid CPSR partial update for OOO execution">; |
| |
| /// Disable +1 predication cost for instructions updating CPSR. |
| /// Enabled for Cortex-A57. |
| def FeatureCheapPredicableCPSR : SubtargetFeature<"cheap-predicable-cpsr", |
| "CheapPredicableCPSRDef", |
| "true", |
| "Disable +1 predication cost for instructions updating CPSR">; |
| |
| def FeatureAvoidMOVsShOp : SubtargetFeature<"avoid-movs-shop", |
| "AvoidMOVsShifterOperand", "true", |
| "Avoid movs instructions with " |
| "shifter operand">; |
| |
| // Some processors perform return stack prediction. CodeGen should avoid issue |
| // "normal" call instructions to callees which do not return. |
| def FeatureHasRetAddrStack : SubtargetFeature<"ret-addr-stack", |
| "HasRetAddrStack", "true", |
| "Has return address stack">; |
| |
| // Some processors have no branch predictor, which changes the expected cost of |
| // taking a branch which affects the choice of whether to use predicated |
| // instructions. |
| def FeatureHasNoBranchPredictor : SubtargetFeature<"no-branch-predictor", |
| "HasBranchPredictor", "false", |
| "Has no branch predictor">; |
| |
| /// DSP extension. |
| def FeatureDSP : SubtargetFeature<"dsp", "HasDSP", "true", |
| "Supports DSP instructions in " |
| "ARM and/or Thumb2">; |
| |
| // Multiprocessing extension. |
| def FeatureMP : SubtargetFeature<"mp", "HasMPExtension", "true", |
| "Supports Multiprocessing extension">; |
| |
| // Virtualization extension - requires HW divide (ARMv7-AR ARMARM - 4.4.8). |
| def FeatureVirtualization : SubtargetFeature<"virtualization", |
| "HasVirtualization", "true", |
| "Supports Virtualization extension", |
| [FeatureHWDivThumb, FeatureHWDivARM]>; |
| |
| // Special TRAP encoding for NaCl, which looks like a TRAP in Thumb too. |
| // See ARMInstrInfo.td for details. |
| def FeatureNaClTrap : SubtargetFeature<"nacl-trap", "UseNaClTrap", "true", |
| "NaCl trap">; |
| |
| def FeatureStrictAlign : SubtargetFeature<"strict-align", |
| "StrictAlign", "true", |
| "Disallow all unaligned memory " |
| "access">; |
| |
| def FeatureLongCalls : SubtargetFeature<"long-calls", "GenLongCalls", "true", |
| "Generate calls via indirect call " |
| "instructions">; |
| |
| def FeatureExecuteOnly : SubtargetFeature<"execute-only", |
| "GenExecuteOnly", "true", |
| "Enable the generation of " |
| "execute only code.">; |
| |
| def FeatureReserveR9 : SubtargetFeature<"reserve-r9", "ReserveR9", "true", |
| "Reserve R9, making it unavailable" |
| " as GPR">; |
| |
| def FeatureNoMovt : SubtargetFeature<"no-movt", "NoMovt", "true", |
| "Don't use movt/movw pairs for " |
| "32-bit imms">; |
| |
| 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.">; |
| |
| // Use the MachineScheduler for instruction scheduling for the subtarget. |
| def FeatureUseMISched: SubtargetFeature<"use-misched", "UseMISched", "true", |
| "Use the MachineScheduler">; |
| |
| def FeatureNoPostRASched : SubtargetFeature<"disable-postra-scheduler", |
| "DisablePostRAScheduler", "true", |
| "Don't schedule again after register allocation">; |
| |
| // Enable use of alias analysis during code generation |
| def FeatureUseAA : SubtargetFeature<"use-aa", "UseAA", "true", |
| "Use alias analysis during codegen">; |
| |
| //===----------------------------------------------------------------------===// |
| // ARM architecture class |
| // |
| |
| // A-series ISA |
| def FeatureAClass : SubtargetFeature<"aclass", "ARMProcClass", "AClass", |
| "Is application profile ('A' series)">; |
| |
| // R-series ISA |
| def FeatureRClass : SubtargetFeature<"rclass", "ARMProcClass", "RClass", |
| "Is realtime profile ('R' series)">; |
| |
| // M-series ISA |
| def FeatureMClass : SubtargetFeature<"mclass", "ARMProcClass", "MClass", |
| "Is microcontroller profile ('M' series)">; |
| |
| |
| def FeatureThumb2 : SubtargetFeature<"thumb2", "HasThumb2", "true", |
| "Enable Thumb2 instructions">; |
| |
| def FeatureNoARM : SubtargetFeature<"noarm", "NoARM", "true", |
| "Does not support ARM mode execution">; |
| |
| //===----------------------------------------------------------------------===// |
| // ARM ISAa. |
| // |
| |
| def HasV4TOps : SubtargetFeature<"v4t", "HasV4TOps", "true", |
| "Support ARM v4T instructions">; |
| |
| def HasV5TOps : SubtargetFeature<"v5t", "HasV5TOps", "true", |
| "Support ARM v5T instructions", |
| [HasV4TOps]>; |
| |
| def HasV5TEOps : SubtargetFeature<"v5te", "HasV5TEOps", "true", |
| "Support ARM v5TE, v5TEj, and " |
| "v5TExp instructions", |
| [HasV5TOps]>; |
| |
| def HasV6Ops : SubtargetFeature<"v6", "HasV6Ops", "true", |
| "Support ARM v6 instructions", |
| [HasV5TEOps]>; |
| |
| def HasV6MOps : SubtargetFeature<"v6m", "HasV6MOps", "true", |
| "Support ARM v6M instructions", |
| [HasV6Ops]>; |
| |
| def HasV8MBaselineOps : SubtargetFeature<"v8m", "HasV8MBaselineOps", "true", |
| "Support ARM v8M Baseline instructions", |
| [HasV6MOps]>; |
| |
| def HasV6KOps : SubtargetFeature<"v6k", "HasV6KOps", "true", |
| "Support ARM v6k instructions", |
| [HasV6Ops]>; |
| |
| def HasV6T2Ops : SubtargetFeature<"v6t2", "HasV6T2Ops", "true", |
| "Support ARM v6t2 instructions", |
| [HasV8MBaselineOps, HasV6KOps, FeatureThumb2]>; |
| |
| def HasV7Ops : SubtargetFeature<"v7", "HasV7Ops", "true", |
| "Support ARM v7 instructions", |
| [HasV6T2Ops, FeaturePerfMon, |
| FeatureV7Clrex]>; |
| |
| def HasV8MMainlineOps : |
| SubtargetFeature<"v8m.main", "HasV8MMainlineOps", "true", |
| "Support ARM v8M Mainline instructions", |
| [HasV7Ops]>; |
| |
| def HasV8Ops : SubtargetFeature<"v8", "HasV8Ops", "true", |
| "Support ARM v8 instructions", |
| [HasV7Ops, FeatureAcquireRelease]>; |
| |
| def HasV8_1aOps : SubtargetFeature<"v8.1a", "HasV8_1aOps", "true", |
| "Support ARM v8.1a instructions", |
| [HasV8Ops]>; |
| |
| def HasV8_2aOps : SubtargetFeature<"v8.2a", "HasV8_2aOps", "true", |
| "Support ARM v8.2a instructions", |
| [HasV8_1aOps]>; |
| |
| def HasV8_3aOps : SubtargetFeature<"v8.3a", "HasV8_3aOps", "true", |
| "Support ARM v8.3a instructions", |
| [HasV8_2aOps]>; |
| |
| def HasV8_4aOps : SubtargetFeature<"v8.4a", "HasV8_4aOps", "true", |
| "Support ARM v8.4a instructions", |
| [HasV8_3aOps, FeatureDotProd]>; |
| |
| //===----------------------------------------------------------------------===// |
| // ARM Processor subtarget features. |
| // |
| |
| def ProcA5 : SubtargetFeature<"a5", "ARMProcFamily", "CortexA5", |
| "Cortex-A5 ARM processors", []>; |
| def ProcA7 : SubtargetFeature<"a7", "ARMProcFamily", "CortexA7", |
| "Cortex-A7 ARM processors", []>; |
| def ProcA8 : SubtargetFeature<"a8", "ARMProcFamily", "CortexA8", |
| "Cortex-A8 ARM processors", []>; |
| def ProcA9 : SubtargetFeature<"a9", "ARMProcFamily", "CortexA9", |
| "Cortex-A9 ARM processors", []>; |
| def ProcA12 : SubtargetFeature<"a12", "ARMProcFamily", "CortexA12", |
| "Cortex-A12 ARM processors", []>; |
| def ProcA15 : SubtargetFeature<"a15", "ARMProcFamily", "CortexA15", |
| "Cortex-A15 ARM processors", []>; |
| def ProcA17 : SubtargetFeature<"a17", "ARMProcFamily", "CortexA17", |
| "Cortex-A17 ARM processors", []>; |
| def ProcA32 : SubtargetFeature<"a32", "ARMProcFamily", "CortexA32", |
| "Cortex-A32 ARM processors", []>; |
| def ProcA35 : SubtargetFeature<"a35", "ARMProcFamily", "CortexA35", |
| "Cortex-A35 ARM processors", []>; |
| def ProcA53 : SubtargetFeature<"a53", "ARMProcFamily", "CortexA53", |
| "Cortex-A53 ARM processors", []>; |
| def ProcA55 : SubtargetFeature<"a55", "ARMProcFamily", "CortexA55", |
| "Cortex-A55 ARM processors", []>; |
| def ProcA57 : SubtargetFeature<"a57", "ARMProcFamily", "CortexA57", |
| "Cortex-A57 ARM processors", []>; |
| def ProcA72 : SubtargetFeature<"a72", "ARMProcFamily", "CortexA72", |
| "Cortex-A72 ARM processors", []>; |
| def ProcA73 : SubtargetFeature<"a73", "ARMProcFamily", "CortexA73", |
| "Cortex-A73 ARM processors", []>; |
| def ProcA75 : SubtargetFeature<"a75", "ARMProcFamily", "CortexA75", |
| "Cortex-A75 ARM processors", []>; |
| |
| def ProcKrait : SubtargetFeature<"krait", "ARMProcFamily", "Krait", |
| "Qualcomm Krait processors", []>; |
| def ProcKryo : SubtargetFeature<"kryo", "ARMProcFamily", "Kryo", |
| "Qualcomm Kryo processors", []>; |
| def ProcSwift : SubtargetFeature<"swift", "ARMProcFamily", "Swift", |
| "Swift ARM processors", []>; |
| |
| def ProcExynosM1 : SubtargetFeature<"exynosm1", "ARMProcFamily", "ExynosM1", |
| "Samsung Exynos-Mx processors", []>; |
| |
| def ProcR4 : SubtargetFeature<"r4", "ARMProcFamily", "CortexR4", |
| "Cortex-R4 ARM processors", []>; |
| def ProcR5 : SubtargetFeature<"r5", "ARMProcFamily", "CortexR5", |
| "Cortex-R5 ARM processors", []>; |
| def ProcR7 : SubtargetFeature<"r7", "ARMProcFamily", "CortexR7", |
| "Cortex-R7 ARM processors", []>; |
| def ProcR52 : SubtargetFeature<"r52", "ARMProcFamily", "CortexR52", |
| "Cortex-R52 ARM processors", []>; |
| |
| def ProcM3 : SubtargetFeature<"m3", "ARMProcFamily", "CortexM3", |
| "Cortex-M3 ARM processors", []>; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ARM Helper classes. |
| // |
| |
| class Architecture<string fname, string aname, list<SubtargetFeature> features> |
| : SubtargetFeature<fname, "ARMArch", aname, |
| !strconcat(aname, " architecture"), features>; |
| |
| class ProcNoItin<string Name, list<SubtargetFeature> Features> |
| : Processor<Name, NoItineraries, Features>; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ARM architectures |
| // |
| |
| def ARMv2 : Architecture<"armv2", "ARMv2", []>; |
| |
| def ARMv2a : Architecture<"armv2a", "ARMv2a", []>; |
| |
| def ARMv3 : Architecture<"armv3", "ARMv3", []>; |
| |
| def ARMv3m : Architecture<"armv3m", "ARMv3m", []>; |
| |
| def ARMv4 : Architecture<"armv4", "ARMv4", []>; |
| |
| def ARMv4t : Architecture<"armv4t", "ARMv4t", [HasV4TOps]>; |
| |
| def ARMv5t : Architecture<"armv5t", "ARMv5t", [HasV5TOps]>; |
| |
| def ARMv5te : Architecture<"armv5te", "ARMv5te", [HasV5TEOps]>; |
| |
| def ARMv5tej : Architecture<"armv5tej", "ARMv5tej", [HasV5TEOps]>; |
| |
| def ARMv6 : Architecture<"armv6", "ARMv6", [HasV6Ops, |
| FeatureDSP]>; |
| |
| def ARMv6t2 : Architecture<"armv6t2", "ARMv6t2", [HasV6T2Ops, |
| FeatureDSP]>; |
| |
| def ARMv6k : Architecture<"armv6k", "ARMv6k", [HasV6KOps]>; |
| |
| def ARMv6kz : Architecture<"armv6kz", "ARMv6kz", [HasV6KOps, |
| FeatureTrustZone]>; |
| |
| def ARMv6m : Architecture<"armv6-m", "ARMv6m", [HasV6MOps, |
| FeatureNoARM, |
| ModeThumb, |
| FeatureDB, |
| FeatureMClass, |
| FeatureStrictAlign]>; |
| |
| def ARMv6sm : Architecture<"armv6s-m", "ARMv6sm", [HasV6MOps, |
| FeatureNoARM, |
| ModeThumb, |
| FeatureDB, |
| FeatureMClass, |
| FeatureStrictAlign]>; |
| |
| def ARMv7a : Architecture<"armv7-a", "ARMv7a", [HasV7Ops, |
| FeatureNEON, |
| FeatureDB, |
| FeatureDSP, |
| FeatureAClass]>; |
| |
| def ARMv7ve : Architecture<"armv7ve", "ARMv7ve", [HasV7Ops, |
| FeatureNEON, |
| FeatureDB, |
| FeatureDSP, |
| FeatureTrustZone, |
| FeatureMP, |
| FeatureVirtualization, |
| FeatureAClass]>; |
| |
| def ARMv7r : Architecture<"armv7-r", "ARMv7r", [HasV7Ops, |
| FeatureDB, |
| FeatureDSP, |
| FeatureHWDivThumb, |
| FeatureRClass]>; |
| |
| def ARMv7m : Architecture<"armv7-m", "ARMv7m", [HasV7Ops, |
| FeatureThumb2, |
| FeatureNoARM, |
| ModeThumb, |
| FeatureDB, |
| FeatureHWDivThumb, |
| FeatureMClass]>; |
| |
| def ARMv7em : Architecture<"armv7e-m", "ARMv7em", [HasV7Ops, |
| FeatureThumb2, |
| FeatureNoARM, |
| ModeThumb, |
| FeatureDB, |
| FeatureHWDivThumb, |
| FeatureMClass, |
| FeatureDSP]>; |
| |
| def ARMv8a : Architecture<"armv8-a", "ARMv8a", [HasV8Ops, |
| FeatureAClass, |
| FeatureDB, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeatureDSP, |
| FeatureTrustZone, |
| FeatureMP, |
| FeatureVirtualization, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def ARMv81a : Architecture<"armv8.1-a", "ARMv81a", [HasV8_1aOps, |
| FeatureAClass, |
| FeatureDB, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeatureDSP, |
| FeatureTrustZone, |
| FeatureMP, |
| FeatureVirtualization, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def ARMv82a : Architecture<"armv8.2-a", "ARMv82a", [HasV8_2aOps, |
| FeatureAClass, |
| FeatureDB, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeatureDSP, |
| FeatureTrustZone, |
| FeatureMP, |
| FeatureVirtualization, |
| FeatureCrypto, |
| FeatureCRC, |
| FeatureRAS]>; |
| |
| def ARMv83a : Architecture<"armv8.3-a", "ARMv83a", [HasV8_3aOps, |
| FeatureAClass, |
| FeatureDB, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeatureDSP, |
| FeatureTrustZone, |
| FeatureMP, |
| FeatureVirtualization, |
| FeatureCrypto, |
| FeatureCRC, |
| FeatureRAS]>; |
| |
| def ARMv84a : Architecture<"armv8.4-a", "ARMv84a", [HasV8_4aOps, |
| FeatureAClass, |
| FeatureDB, |
| FeatureFPARMv8, |
| FeatureNEON, |
| FeatureDSP, |
| FeatureTrustZone, |
| FeatureMP, |
| FeatureVirtualization, |
| FeatureCrypto, |
| FeatureCRC, |
| FeatureRAS, |
| FeatureDotProd]>; |
| |
| def ARMv8r : Architecture<"armv8-r", "ARMv8r", [HasV8Ops, |
| FeatureRClass, |
| FeatureDB, |
| FeatureDFB, |
| FeatureDSP, |
| FeatureCRC, |
| FeatureMP, |
| FeatureVirtualization, |
| FeatureFPARMv8, |
| FeatureNEON]>; |
| |
| def ARMv8mBaseline : Architecture<"armv8-m.base", "ARMv8mBaseline", |
| [HasV8MBaselineOps, |
| FeatureNoARM, |
| ModeThumb, |
| FeatureDB, |
| FeatureHWDivThumb, |
| FeatureV7Clrex, |
| Feature8MSecExt, |
| FeatureAcquireRelease, |
| FeatureMClass, |
| FeatureStrictAlign]>; |
| |
| def ARMv8mMainline : Architecture<"armv8-m.main", "ARMv8mMainline", |
| [HasV8MMainlineOps, |
| FeatureNoARM, |
| ModeThumb, |
| FeatureDB, |
| FeatureHWDivThumb, |
| Feature8MSecExt, |
| FeatureAcquireRelease, |
| FeatureMClass]>; |
| |
| // Aliases |
| def IWMMXT : Architecture<"iwmmxt", "ARMv5te", [ARMv5te]>; |
| def IWMMXT2 : Architecture<"iwmmxt2", "ARMv5te", [ARMv5te]>; |
| def XScale : Architecture<"xscale", "ARMv5te", [ARMv5te]>; |
| def ARMv6j : Architecture<"armv6j", "ARMv7a", [ARMv6]>; |
| def ARMv7k : Architecture<"armv7k", "ARMv7a", [ARMv7a]>; |
| def ARMv7s : Architecture<"armv7s", "ARMv7a", [ARMv7a]>; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // ARM schedules. |
| //===----------------------------------------------------------------------===// |
| // |
| include "ARMSchedule.td" |
| |
| //===----------------------------------------------------------------------===// |
| // ARM processors |
| // |
| |
| // Dummy CPU, used to target architectures |
| def : ProcessorModel<"generic", CortexA8Model, []>; |
| |
| // FIXME: Several processors below are not using their own scheduler |
| // model, but one of similar/previous processor. These should be fixed. |
| |
| def : ProcNoItin<"arm8", [ARMv4]>; |
| def : ProcNoItin<"arm810", [ARMv4]>; |
| def : ProcNoItin<"strongarm", [ARMv4]>; |
| def : ProcNoItin<"strongarm110", [ARMv4]>; |
| def : ProcNoItin<"strongarm1100", [ARMv4]>; |
| def : ProcNoItin<"strongarm1110", [ARMv4]>; |
| |
| def : ProcNoItin<"arm7tdmi", [ARMv4t]>; |
| def : ProcNoItin<"arm7tdmi-s", [ARMv4t]>; |
| def : ProcNoItin<"arm710t", [ARMv4t]>; |
| def : ProcNoItin<"arm720t", [ARMv4t]>; |
| def : ProcNoItin<"arm9", [ARMv4t]>; |
| def : ProcNoItin<"arm9tdmi", [ARMv4t]>; |
| def : ProcNoItin<"arm920", [ARMv4t]>; |
| def : ProcNoItin<"arm920t", [ARMv4t]>; |
| def : ProcNoItin<"arm922t", [ARMv4t]>; |
| def : ProcNoItin<"arm940t", [ARMv4t]>; |
| def : ProcNoItin<"ep9312", [ARMv4t]>; |
| |
| def : ProcNoItin<"arm10tdmi", [ARMv5t]>; |
| def : ProcNoItin<"arm1020t", [ARMv5t]>; |
| |
| def : ProcNoItin<"arm9e", [ARMv5te]>; |
| def : ProcNoItin<"arm926ej-s", [ARMv5te]>; |
| def : ProcNoItin<"arm946e-s", [ARMv5te]>; |
| def : ProcNoItin<"arm966e-s", [ARMv5te]>; |
| def : ProcNoItin<"arm968e-s", [ARMv5te]>; |
| def : ProcNoItin<"arm10e", [ARMv5te]>; |
| def : ProcNoItin<"arm1020e", [ARMv5te]>; |
| def : ProcNoItin<"arm1022e", [ARMv5te]>; |
| def : ProcNoItin<"xscale", [ARMv5te]>; |
| def : ProcNoItin<"iwmmxt", [ARMv5te]>; |
| |
| def : Processor<"arm1136j-s", ARMV6Itineraries, [ARMv6]>; |
| def : Processor<"arm1136jf-s", ARMV6Itineraries, [ARMv6, |
| FeatureVFP2, |
| FeatureHasSlowFPVMLx]>; |
| |
| def : Processor<"cortex-m0", ARMV6Itineraries, [ARMv6m]>; |
| def : Processor<"cortex-m0plus", ARMV6Itineraries, [ARMv6m]>; |
| def : Processor<"cortex-m1", ARMV6Itineraries, [ARMv6m]>; |
| def : Processor<"sc000", ARMV6Itineraries, [ARMv6m]>; |
| |
| def : Processor<"arm1176j-s", ARMV6Itineraries, [ARMv6kz]>; |
| def : Processor<"arm1176jz-s", ARMV6Itineraries, [ARMv6kz]>; |
| def : Processor<"arm1176jzf-s", ARMV6Itineraries, [ARMv6kz, |
| FeatureVFP2, |
| FeatureHasSlowFPVMLx]>; |
| |
| def : Processor<"mpcorenovfp", ARMV6Itineraries, [ARMv6k]>; |
| def : Processor<"mpcore", ARMV6Itineraries, [ARMv6k, |
| FeatureVFP2, |
| FeatureHasSlowFPVMLx]>; |
| |
| def : Processor<"arm1156t2-s", ARMV6Itineraries, [ARMv6t2]>; |
| def : Processor<"arm1156t2f-s", ARMV6Itineraries, [ARMv6t2, |
| FeatureVFP2, |
| FeatureHasSlowFPVMLx]>; |
| |
| def : ProcessorModel<"cortex-a5", CortexA8Model, [ARMv7a, ProcA5, |
| FeatureHasRetAddrStack, |
| FeatureTrustZone, |
| FeatureSlowFPBrcc, |
| FeatureHasSlowFPVMLx, |
| FeatureVMLxForwarding, |
| FeatureMP, |
| FeatureVFP4]>; |
| |
| def : ProcessorModel<"cortex-a7", CortexA8Model, [ARMv7a, ProcA7, |
| FeatureHasRetAddrStack, |
| FeatureTrustZone, |
| FeatureSlowFPBrcc, |
| FeatureHasVMLxHazards, |
| FeatureHasSlowFPVMLx, |
| FeatureVMLxForwarding, |
| FeatureMP, |
| FeatureVFP4, |
| FeatureVirtualization]>; |
| |
| def : ProcessorModel<"cortex-a8", CortexA8Model, [ARMv7a, ProcA8, |
| FeatureHasRetAddrStack, |
| FeatureNonpipelinedVFP, |
| FeatureTrustZone, |
| FeatureSlowFPBrcc, |
| FeatureHasVMLxHazards, |
| FeatureHasSlowFPVMLx, |
| FeatureVMLxForwarding]>; |
| |
| def : ProcessorModel<"cortex-a9", CortexA9Model, [ARMv7a, ProcA9, |
| FeatureHasRetAddrStack, |
| FeatureTrustZone, |
| FeatureHasVMLxHazards, |
| FeatureVMLxForwarding, |
| FeatureFP16, |
| FeatureAvoidPartialCPSR, |
| FeatureExpandMLx, |
| FeaturePreferVMOVSR, |
| FeatureMuxedUnits, |
| FeatureNEONForFPMovs, |
| FeatureCheckVLDnAlign, |
| FeatureMP]>; |
| |
| def : ProcessorModel<"cortex-a12", CortexA9Model, [ARMv7a, ProcA12, |
| FeatureHasRetAddrStack, |
| FeatureTrustZone, |
| FeatureVMLxForwarding, |
| FeatureVFP4, |
| FeatureAvoidPartialCPSR, |
| FeatureVirtualization, |
| FeatureMP]>; |
| |
| def : ProcessorModel<"cortex-a15", CortexA9Model, [ARMv7a, ProcA15, |
| FeatureDontWidenVMOVS, |
| FeatureSplatVFPToNeon, |
| FeatureHasRetAddrStack, |
| FeatureMuxedUnits, |
| FeatureTrustZone, |
| FeatureVFP4, |
| FeatureMP, |
| FeatureCheckVLDnAlign, |
| FeatureAvoidPartialCPSR, |
| FeatureVirtualization]>; |
| |
| def : ProcessorModel<"cortex-a17", CortexA9Model, [ARMv7a, ProcA17, |
| FeatureHasRetAddrStack, |
| FeatureTrustZone, |
| FeatureMP, |
| FeatureVMLxForwarding, |
| FeatureVFP4, |
| FeatureAvoidPartialCPSR, |
| FeatureVirtualization]>; |
| |
| // FIXME: krait has currently the same features as A9 plus VFP4 and HWDiv |
| def : ProcessorModel<"krait", CortexA9Model, [ARMv7a, ProcKrait, |
| FeatureHasRetAddrStack, |
| FeatureMuxedUnits, |
| FeatureCheckVLDnAlign, |
| FeatureVMLxForwarding, |
| FeatureFP16, |
| FeatureAvoidPartialCPSR, |
| FeatureVFP4, |
| FeatureHWDivThumb, |
| FeatureHWDivARM]>; |
| |
| def : ProcessorModel<"swift", SwiftModel, [ARMv7a, ProcSwift, |
| FeatureHasRetAddrStack, |
| FeatureNEONForFP, |
| FeatureVFP4, |
| FeatureMP, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureAvoidPartialCPSR, |
| FeatureAvoidMOVsShOp, |
| FeatureHasSlowFPVMLx, |
| FeatureHasVMLxHazards, |
| FeatureProfUnpredicate, |
| FeaturePrefISHSTBarrier, |
| FeatureSlowOddRegister, |
| FeatureSlowLoadDSubreg, |
| FeatureSlowVGETLNi32, |
| FeatureSlowVDUP32, |
| FeatureUseMISched, |
| FeatureNoPostRASched]>; |
| |
| def : ProcessorModel<"cortex-r4", CortexA8Model, [ARMv7r, ProcR4, |
| FeatureHasRetAddrStack, |
| FeatureAvoidPartialCPSR]>; |
| |
| def : ProcessorModel<"cortex-r4f", CortexA8Model, [ARMv7r, ProcR4, |
| FeatureHasRetAddrStack, |
| FeatureSlowFPBrcc, |
| FeatureHasSlowFPVMLx, |
| FeatureVFP3, |
| FeatureD16, |
| FeatureAvoidPartialCPSR]>; |
| |
| def : ProcessorModel<"cortex-r5", CortexA8Model, [ARMv7r, ProcR5, |
| FeatureHasRetAddrStack, |
| FeatureVFP3, |
| FeatureD16, |
| FeatureSlowFPBrcc, |
| FeatureHWDivARM, |
| FeatureHasSlowFPVMLx, |
| FeatureAvoidPartialCPSR]>; |
| |
| def : ProcessorModel<"cortex-r7", CortexA8Model, [ARMv7r, ProcR7, |
| FeatureHasRetAddrStack, |
| FeatureVFP3, |
| FeatureD16, |
| FeatureFP16, |
| FeatureMP, |
| FeatureSlowFPBrcc, |
| FeatureHWDivARM, |
| FeatureHasSlowFPVMLx, |
| FeatureAvoidPartialCPSR]>; |
| |
| def : ProcessorModel<"cortex-r8", CortexA8Model, [ARMv7r, |
| FeatureHasRetAddrStack, |
| FeatureVFP3, |
| FeatureD16, |
| FeatureFP16, |
| FeatureMP, |
| FeatureSlowFPBrcc, |
| FeatureHWDivARM, |
| FeatureHasSlowFPVMLx, |
| FeatureAvoidPartialCPSR]>; |
| |
| def : ProcessorModel<"cortex-m3", CortexM3Model, [ARMv7m, |
| ProcM3, |
| FeatureHasNoBranchPredictor]>; |
| |
| def : ProcessorModel<"sc300", CortexM3Model, [ARMv7m, |
| ProcM3, |
| FeatureHasNoBranchPredictor]>; |
| |
| def : ProcessorModel<"cortex-m4", CortexM3Model, [ARMv7em, |
| FeatureVFP4, |
| FeatureVFPOnlySP, |
| FeatureD16, |
| FeatureHasNoBranchPredictor]>; |
| |
| def : ProcNoItin<"cortex-m7", [ARMv7em, |
| FeatureFPARMv8, |
| FeatureD16]>; |
| |
| def : ProcNoItin<"cortex-m23", [ARMv8mBaseline, |
| FeatureNoMovt]>; |
| |
| def : ProcessorModel<"cortex-m33", CortexM3Model, [ARMv8mMainline, |
| FeatureDSP, |
| FeatureFPARMv8, |
| FeatureD16, |
| FeatureVFPOnlySP, |
| FeatureHasNoBranchPredictor]>; |
| |
| def : ProcNoItin<"cortex-a32", [ARMv8a, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcNoItin<"cortex-a35", [ARMv8a, ProcA35, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcNoItin<"cortex-a53", [ARMv8a, ProcA53, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC, |
| FeatureFPAO]>; |
| |
| def : ProcNoItin<"cortex-a55", [ARMv82a, ProcA55, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureDotProd]>; |
| |
| def : ProcessorModel<"cortex-a57", CortexA57Model, [ARMv8a, ProcA57, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC, |
| FeatureFPAO, |
| FeatureAvoidPartialCPSR, |
| FeatureCheapPredicableCPSR]>; |
| |
| def : ProcNoItin<"cortex-a72", [ARMv8a, ProcA72, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcNoItin<"cortex-a73", [ARMv8a, ProcA73, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcNoItin<"cortex-a75", [ARMv82a, ProcA75, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureDotProd]>; |
| |
| def : ProcessorModel<"cyclone", SwiftModel, [ARMv8a, ProcSwift, |
| FeatureHasRetAddrStack, |
| FeatureNEONForFP, |
| FeatureVFP4, |
| FeatureMP, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureAvoidPartialCPSR, |
| FeatureAvoidMOVsShOp, |
| FeatureHasSlowFPVMLx, |
| FeatureCrypto, |
| FeatureUseMISched, |
| FeatureZCZeroing, |
| FeatureNoPostRASched]>; |
| |
| def : ProcNoItin<"exynos-m1", [ARMv8a, ProcExynosM1, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcNoItin<"exynos-m2", [ARMv8a, ProcExynosM1, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcNoItin<"exynos-m3", [ARMv8a, ProcExynosM1, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcNoItin<"exynos-m4", [ARMv8a, ProcExynosM1, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcNoItin<"kryo", [ARMv8a, ProcKryo, |
| FeatureHWDivThumb, |
| FeatureHWDivARM, |
| FeatureCrypto, |
| FeatureCRC]>; |
| |
| def : ProcessorModel<"cortex-r52", CortexR52Model, [ARMv8r, ProcR52, |
| FeatureUseMISched, |
| FeatureFPAO, |
| FeatureUseAA]>; |
| |
| //===----------------------------------------------------------------------===// |
| // Register File Description |
| //===----------------------------------------------------------------------===// |
| |
| include "ARMRegisterInfo.td" |
| include "ARMRegisterBanks.td" |
| include "ARMCallingConv.td" |
| |
| //===----------------------------------------------------------------------===// |
| // Instruction Descriptions |
| //===----------------------------------------------------------------------===// |
| |
| include "ARMInstrInfo.td" |
| def ARMInstrInfo : InstrInfo; |
| |
| //===----------------------------------------------------------------------===// |
| // Declare the target which we are implementing |
| //===----------------------------------------------------------------------===// |
| |
| def ARMAsmWriter : AsmWriter { |
| string AsmWriterClassName = "InstPrinter"; |
| int PassSubtarget = 1; |
| int Variant = 0; |
| bit isMCAsmWriter = 1; |
| } |
| |
| def ARMAsmParser : AsmParser { |
| bit ReportMultipleNearMisses = 1; |
| } |
| |
| def ARMAsmParserVariant : AsmParserVariant { |
| int Variant = 0; |
| string Name = "ARM"; |
| string BreakCharacters = "."; |
| } |
| |
| def ARM : Target { |
| // Pull in Instruction Info. |
| let InstructionSet = ARMInstrInfo; |
| let AssemblyWriters = [ARMAsmWriter]; |
| let AssemblyParsers = [ARMAsmParser]; |
| let AssemblyParserVariants = [ARMAsmParserVariant]; |
| let AllowRegisterRenaming = 1; |
| } |
