1//===--- CSKY.h - Declare CSKY target feature support -----------*- 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 declares CSKY TargetInfo objects.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H
14#define LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H
15
16#include "clang/Basic/MacroBuilder.h"
17#include "clang/Basic/TargetInfo.h"
18#include "llvm/TargetParser/CSKYTargetParser.h"
19
20namespace clang {
21namespace targets {
22
23class LLVM_LIBRARY_VISIBILITY CSKYTargetInfo : public TargetInfo {
24protected:
25  std::string ABI;
26  llvm::CSKY::ArchKind Arch = llvm::CSKY::ArchKind::INVALID;
27  std::string CPU;
28
29  bool HardFloat = false;
30  bool HardFloatABI = false;
31  bool FPUV2_SF = false;
32  bool FPUV2_DF = false;
33  bool FPUV3_SF = false;
34  bool FPUV3_DF = false;
35  bool VDSPV2 = false;
36  bool VDSPV1 = false;
37  bool DSPV2 = false;
38  bool is3E3R1 = false;
39
40public:
41  CSKYTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
42      : TargetInfo(Triple) {
43    NoAsmVariants = true;
44    LongLongAlign = 32;
45    SuitableAlign = 32;
46    DoubleAlign = LongDoubleAlign = 32;
47    SizeType = UnsignedInt;
48    PtrDiffType = SignedInt;
49    IntPtrType = SignedInt;
50    WCharType = SignedInt;
51    WIntType = UnsignedInt;
52
53    UseZeroLengthBitfieldAlignment = true;
54    MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
55    resetDataLayout("e-m:e-S32-p:32:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-"
56                    "v64:32:32-v128:32:32-a:0:32-Fi32-n32");
57
58    setABI("abiv2");
59  }
60
61  StringRef getABI() const override { return ABI; }
62  bool setABI(const std::string &Name) override {
63    if (Name == "abiv2" || Name == "abiv1") {
64      ABI = Name;
65      return true;
66    }
67    return false;
68  }
69
70  bool setCPU(const std::string &Name) override;
71
72  bool isValidCPUName(StringRef Name) const override;
73
74  unsigned getMinGlobalAlign(uint64_t) const override;
75
76  ArrayRef<Builtin::Info> getTargetBuiltins() const override;
77
78  BuiltinVaListKind getBuiltinVaListKind() const override {
79    return VoidPtrBuiltinVaList;
80  }
81
82  bool validateAsmConstraint(const char *&Name,
83                             TargetInfo::ConstraintInfo &info) const override;
84
85  std::string_view getClobbers() const override { return ""; }
86
87  void getTargetDefines(const LangOptions &Opts,
88                        MacroBuilder &Builder) const override;
89  bool hasFeature(StringRef Feature) const override;
90  bool handleTargetFeatures(std::vector<std::string> &Features,
91                            DiagnosticsEngine &Diags) override;
92
93  /// Whether target allows to overalign ABI-specified preferred alignment
94  bool allowsLargerPreferedTypeAlignment() const override { return false; }
95
96  bool hasBitIntType() const override { return true; }
97
98protected:
99  ArrayRef<const char *> getGCCRegNames() const override;
100
101  ArrayRef<GCCRegAlias> getGCCRegAliases() const override;
102};
103
104} // namespace targets
105} // namespace clang
106
107#endif // LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H
108