AArch64TargetParser.h
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//===-- AArch64TargetParser - Parser for AArch64 features -------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file implements a target parser to recognise AArch64 hardware features
// such as FPU/CPU/ARCH and extension names.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_SUPPORT_AARCH64TARGETPARSERCOMMON_H
#define LLVM_SUPPORT_AARCH64TARGETPARSERCOMMON_H
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/ARMTargetParser.h"
#include <vector>
// FIXME:This should be made into class design,to avoid dupplication.
namespace llvm {
namespace AArch64 {
// Arch extension modifiers for CPUs.
enum ArchExtKind : unsigned {
AEK_INVALID = 0,
AEK_NONE = 1,
AEK_CRC = 1 << 1,
AEK_CRYPTO = 1 << 2,
AEK_FP = 1 << 3,
AEK_SIMD = 1 << 4,
AEK_FP16 = 1 << 5,
AEK_PROFILE = 1 << 6,
AEK_RAS = 1 << 7,
AEK_LSE = 1 << 8,
AEK_SVE = 1 << 9,
AEK_DOTPROD = 1 << 10,
AEK_RCPC = 1 << 11,
AEK_RDM = 1 << 12,
AEK_SM4 = 1 << 13,
AEK_SHA3 = 1 << 14,
AEK_SHA2 = 1 << 15,
AEK_AES = 1 << 16,
AEK_FP16FML = 1 << 17,
AEK_RAND = 1 << 18,
AEK_MTE = 1 << 19,
AEK_SSBS = 1 << 20,
AEK_SB = 1 << 21,
AEK_PREDRES = 1 << 22,
AEK_SVE2 = 1 << 23,
AEK_SVE2AES = 1 << 24,
AEK_SVE2SM4 = 1 << 25,
AEK_SVE2SHA3 = 1 << 26,
AEK_SVE2BITPERM = 1 << 27,
AEK_TME = 1 << 28,
};
enum class ArchKind {
#define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) ID,
#include "AArch64TargetParser.def"
};
const ARM::ArchNames<ArchKind> AArch64ARCHNames[] = {
#define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, \
ARCH_BASE_EXT) \
{NAME, \
sizeof(NAME) - 1, \
CPU_ATTR, \
sizeof(CPU_ATTR) - 1, \
SUB_ARCH, \
sizeof(SUB_ARCH) - 1, \
ARM::FPUKind::ARCH_FPU, \
ARCH_BASE_EXT, \
AArch64::ArchKind::ID, \
ARCH_ATTR},
#include "AArch64TargetParser.def"
};
const ARM::ExtName AArch64ARCHExtNames[] = {
#define AARCH64_ARCH_EXT_NAME(NAME, ID, FEATURE, NEGFEATURE) \
{NAME, sizeof(NAME) - 1, ID, FEATURE, NEGFEATURE},
#include "AArch64TargetParser.def"
};
const ARM::CpuNames<ArchKind> AArch64CPUNames[] = {
#define AARCH64_CPU_NAME(NAME, ID, DEFAULT_FPU, IS_DEFAULT, DEFAULT_EXT) \
{NAME, sizeof(NAME) - 1, AArch64::ArchKind::ID, IS_DEFAULT, DEFAULT_EXT},
#include "AArch64TargetParser.def"
};
const ArchKind ArchKinds[] = {
#define AARCH64_ARCH(NAME, ID, CPU_ATTR, SUB_ARCH, ARCH_ATTR, ARCH_FPU, ARCH_BASE_EXT) \
ArchKind::ID,
#include "AArch64TargetParser.def"
};
// FIXME: These should be moved to TargetTuple once it exists
bool getExtensionFeatures(unsigned Extensions,
std::vector<StringRef> &Features);
bool getArchFeatures(ArchKind AK, std::vector<StringRef> &Features);
StringRef getArchName(ArchKind AK);
unsigned getArchAttr(ArchKind AK);
StringRef getCPUAttr(ArchKind AK);
StringRef getSubArch(ArchKind AK);
StringRef getArchExtName(unsigned ArchExtKind);
StringRef getArchExtFeature(StringRef ArchExt);
// Information by Name
unsigned getDefaultFPU(StringRef CPU, ArchKind AK);
unsigned getDefaultExtensions(StringRef CPU, ArchKind AK);
StringRef getDefaultCPU(StringRef Arch);
ArchKind getCPUArchKind(StringRef CPU);
// Parser
ArchKind parseArch(StringRef Arch);
ArchExtKind parseArchExt(StringRef ArchExt);
ArchKind parseCPUArch(StringRef CPU);
// Used by target parser tests
void fillValidCPUArchList(SmallVectorImpl<StringRef> &Values);
bool isX18ReservedByDefault(const Triple &TT);
struct ParsedBranchProtection {
StringRef Scope;
StringRef Key;
bool BranchTargetEnforcement;
};
bool parseBranchProtection(StringRef Spec, ParsedBranchProtection &PBP,
StringRef &Err);
} // namespace AArch64
} // namespace llvm
#endif