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//=- AArch64.td - Describe the AArch64 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"
//===----------------------------------------------------------------------===//
// 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 FeatureCrypto : SubtargetFeature<"crypto", "HasCrypto", "true",
"Enable cryptographic instructions">;
def FeatureCRC : SubtargetFeature<"crc", "HasCRC", "true",
"Enable ARMv8 CRC-32 checksum instructions">;
def FeaturePerfMon : SubtargetFeature<"perfmon", "HasPerfMon", "true",
"Enable ARMv8 PMUv3 Performance Monitors extension">;
def FeatureFullFP16 : SubtargetFeature<"fullfp16", "HasFullFP16", "true",
"Full FP16", [FeatureFPARMv8]>;
def FeatureSPE : SubtargetFeature<"spe", "HasSPE", "true",
"Enable Statistical Profiling extension">;
/// Cyclone has register move instructions which are "free".
def FeatureZCRegMove : SubtargetFeature<"zcm", "HasZeroCycleRegMove", "true",
"Has zero-cycle register moves">;
/// Cyclone has instructions which zero registers for "free".
def FeatureZCZeroing : SubtargetFeature<"zcz", "HasZeroCycleZeroing", "true",
"Has zero-cycle zeroing instructions">;
def FeatureStrictAlign : SubtargetFeature<"strict-align",
"StrictAlign", "true",
"Disallow all unaligned memory "
"access">;
def FeatureReserveX18 : SubtargetFeature<"reserve-x18", "ReserveX18", "true",
"Reserve X18, making it unavailable "
"as a GPR">;
//===----------------------------------------------------------------------===//
// Architectures.
//
def HasV8_1aOps : SubtargetFeature<"v8.1a", "HasV8_1aOps", "true",
"Support ARM v8.1a instructions", [FeatureCRC]>;
def HasV8_2aOps : SubtargetFeature<"v8.2a", "HasV8_2aOps", "true",
"Support ARM v8.2a instructions", [HasV8_1aOps]>;
//===----------------------------------------------------------------------===//
// Register File Description
//===----------------------------------------------------------------------===//
include "AArch64RegisterInfo.td"
include "AArch64CallingConvention.td"
//===----------------------------------------------------------------------===//
// Instruction Descriptions
//===----------------------------------------------------------------------===//
include "AArch64Schedule.td"
include "AArch64InstrInfo.td"
def AArch64InstrInfo : InstrInfo;
//===----------------------------------------------------------------------===//
// AArch64 Processors supported.
//
include "AArch64SchedA53.td"
include "AArch64SchedA57.td"
include "AArch64SchedCyclone.td"
include "AArch64SchedM1.td"
include "AArch64SchedKryo.td"
def ProcA35 : SubtargetFeature<"a35", "ARMProcFamily", "CortexA35",
"Cortex-A35 ARM processors",
[FeatureFPARMv8,
FeatureNEON,
FeatureCrypto,
FeatureCRC,
FeaturePerfMon]>;
def ProcA53 : SubtargetFeature<"a53", "ARMProcFamily", "CortexA53",
"Cortex-A53 ARM processors",
[FeatureFPARMv8,
FeatureNEON,
FeatureCrypto,
FeatureCRC,
FeaturePerfMon]>;
def ProcA57 : SubtargetFeature<"a57", "ARMProcFamily", "CortexA57",
"Cortex-A57 ARM processors",
[FeatureFPARMv8,
FeatureNEON,
FeatureCrypto,
FeatureCRC,
FeaturePerfMon]>;
def ProcCyclone : SubtargetFeature<"cyclone", "ARMProcFamily", "Cyclone",
"Cyclone",
[FeatureFPARMv8,
FeatureNEON,
FeatureCrypto,
FeaturePerfMon,
FeatureZCRegMove, FeatureZCZeroing]>;
def ProcExynosM1 : SubtargetFeature<"exynosm1", "ARMProcFamily", "ExynosM1",
"Samsung Exynos-M1 processors",
[FeatureFPARMv8,
FeatureNEON,
FeatureCrypto,
FeatureCRC,
FeaturePerfMon]>;
def ProcKryo : SubtargetFeature<"kryo", "ARMProcFamily", "Kryo",
"Qualcomm Kryo processors",
[FeatureFPARMv8,
FeatureNEON,
FeatureCrypto,
FeatureCRC,
FeaturePerfMon]>;
def : ProcessorModel<"generic", NoSchedModel, [FeatureFPARMv8,
FeatureNEON,
FeatureCRC,
FeaturePerfMon]>;
// FIXME: Cortex-A35 is currently modelled as a Cortex-A53
def : ProcessorModel<"cortex-a35", CortexA53Model, [ProcA35]>;
def : ProcessorModel<"cortex-a53", CortexA53Model, [ProcA53]>;
def : ProcessorModel<"cortex-a57", CortexA57Model, [ProcA57]>;
// FIXME: Cortex-A72 is currently modelled as an Cortex-A57.
def : ProcessorModel<"cortex-a72", CortexA57Model, [ProcA57]>;
def : ProcessorModel<"cyclone", CycloneModel, [ProcCyclone]>;
def : ProcessorModel<"exynos-m1", ExynosM1Model, [ProcExynosM1]>;
def : ProcessorModel<"kryo", KryoModel, [ProcKryo]>;
//===----------------------------------------------------------------------===//
// Assembly parser
//===----------------------------------------------------------------------===//
def GenericAsmParserVariant : AsmParserVariant {
int Variant = 0;
string Name = "generic";
string BreakCharacters = ".";
}
def AppleAsmParserVariant : AsmParserVariant {
int Variant = 1;
string Name = "apple-neon";
string BreakCharacters = ".";
}
//===----------------------------------------------------------------------===//
// 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];
}
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