106 lines
2.8 KiB
C++
106 lines
2.8 KiB
C++
//==-- 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/Support/Compiler.h"
|
|
#include "llvm/TargetParser/Triple.h"
|
|
#include <vector>
|
|
|
|
namespace llvm {
|
|
class StringRef;
|
|
|
|
namespace LoongArch {
|
|
|
|
enum FeatureKind : uint32_t {
|
|
// 32-bit ISA is available.
|
|
FK_32BIT = 1 << 0,
|
|
|
|
// 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,
|
|
|
|
// Atomic memory swap and add instructions for byte and half word are
|
|
// available.
|
|
FK_LAM_BH = 1 << 10,
|
|
|
|
// Atomic memory compare and swap instructions for byte, half word, word and
|
|
// double word are available.
|
|
FK_LAMCAS = 1 << 11,
|
|
|
|
// Do not generate load-load barrier instructions (dbar 0x700).
|
|
FK_LD_SEQ_SA = 1 << 12,
|
|
|
|
// Assume div.w[u] and mod.w[u] can handle inputs that are not sign-extended.
|
|
FK_DIV32 = 1 << 13,
|
|
|
|
// sc.q is available.
|
|
FK_SCQ = 1 << 14,
|
|
|
|
// 32-bit standard variant is available.
|
|
FK_32S = 1 << 15,
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
LLVM_ABI bool isValidArchName(StringRef Arch);
|
|
LLVM_ABI bool isValidFeatureName(StringRef Feature);
|
|
LLVM_ABI bool getArchFeatures(StringRef Arch, std::vector<StringRef> &Features);
|
|
LLVM_ABI bool isValidCPUName(StringRef TuneCPU);
|
|
LLVM_ABI void fillValidCPUList(SmallVectorImpl<StringRef> &Values);
|
|
LLVM_ABI StringRef getDefaultArch(bool Is64Bit);
|
|
|
|
} // namespace LoongArch
|
|
|
|
} // namespace llvm
|
|
|
|
#endif // LLVM_TARGETPARSER_LOONGARCHTARGETPARSER_H
|