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  1. //==-- LoongArch64TargetParser - Parser for LoongArch64 features --*- C++ -*-=//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8. //
  9. // This file implements a target parser to recognise LoongArch hardware features
  10. // such as CPU/ARCH and extension names.
  11. //
  12. //===----------------------------------------------------------------------===//
  13.  
  14. #ifndef LLVM_TARGETPARSER_LOONGARCHTARGETPARSER_H
  15. #define LLVM_TARGETPARSER_LOONGARCHTARGETPARSER_H
  16.  
  17. #include "llvm/TargetParser/Triple.h"
  18. #include <vector>
  19.  
  20. namespace llvm {
  21. class StringRef;
  22.  
  23. namespace LoongArch {
  24.  
  25. enum FeatureKind : uint32_t {
  26.   FK_INVALID = 0,
  27.   FK_NONE = 1,
  28.  
  29.   // 64-bit ISA is available.
  30.   FK_64BIT = 1 << 1,
  31.  
  32.   // Single-precision floating-point instructions are available.
  33.   FK_FP32 = 1 << 2,
  34.  
  35.   // Double-precision floating-point instructions are available.
  36.   FK_FP64 = 1 << 3,
  37.  
  38.   // Loongson SIMD Extension is available.
  39.   FK_LSX = 1 << 4,
  40.  
  41.   // Loongson Advanced SIMD Extension is available.
  42.   FK_LASX = 1 << 5,
  43.  
  44.   // Loongson Binary Translation Extension is available.
  45.   FK_LBT = 1 << 6,
  46.  
  47.   // Loongson Virtualization Extension is available.
  48.   FK_LVZ = 1 << 7,
  49. };
  50.  
  51. struct FeatureInfo {
  52.   StringRef Name;
  53.   FeatureKind Kind;
  54. };
  55.  
  56. enum class ArchKind {
  57. #define LOONGARCH_ARCH(NAME, KIND, FEATURES) KIND,
  58. #include "LoongArchTargetParser.def"
  59. };
  60.  
  61. struct ArchInfo {
  62.   StringRef Name;
  63.   ArchKind Kind;
  64.   uint32_t Features;
  65. };
  66.  
  67. ArchKind parseArch(StringRef Arch);
  68. bool getArchFeatures(StringRef Arch, std::vector<StringRef> &Features);
  69.  
  70. } // namespace LoongArch
  71.  
  72. } // namespace llvm
  73.  
  74. #endif // LLVM_SUPPORT_LOONGARCHTARGETPARSER_H
  75.