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//==-- LoongArch64TargetParser - Parser for LoongArch64 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 LoongArch hardware features
// such as CPU/ARCH and extension names.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGETPARSER_LOONGARCHTARGETPARSER_H
#define LLVM_TARGETPARSER_LOONGARCHTARGETPARSER_H
#include "llvm/TargetParser/Triple.h"
#include <vector>
namespace llvm {
class StringRef;
namespace LoongArch {
enum FeatureKind : uint32_t {
// 64-bit ISA is available.
FK_64BIT = 1 << 1,
// Single-precision floating-point instructions are available.
FK_FP32 = 1 << 2,
// Double-precision floating-point instructions are available.
FK_FP64 = 1 << 3,
// Loongson SIMD Extension is available.
FK_LSX = 1 << 4,
// Loongson Advanced SIMD Extension is available.
FK_LASX = 1 << 5,
// Loongson Binary Translation Extension is available.
FK_LBT = 1 << 6,
// Loongson Virtualization Extension is available.
FK_LVZ = 1 << 7,
// Allow memory accesses to be unaligned.
FK_UAL = 1 << 8,
// Floating-point approximate reciprocal instructions are available.
FK_FRECIPE = 1 << 9,
};
struct FeatureInfo {
StringRef Name;
FeatureKind Kind;
};
enum class ArchKind {
#define LOONGARCH_ARCH(NAME, KIND, FEATURES) KIND,
#include "LoongArchTargetParser.def"
};
struct ArchInfo {
StringRef Name;
ArchKind Kind;
uint32_t Features;
};
bool isValidArchName(StringRef Arch);
bool getArchFeatures(StringRef Arch, std::vector<StringRef> &Features);
bool isValidCPUName(StringRef TuneCPU);
void fillValidCPUList(SmallVectorImpl<StringRef> &Values);
StringRef getDefaultArch(bool Is64Bit);
} // namespace LoongArch
} // namespace llvm
#endif // LLVM_TARGETPARSER_LOONGARCHTARGETPARSER_H
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