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(DL: "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, bool HasNonWeakDef) const override;
75
76 llvm::SmallVector<Builtin::InfosShard> getTargetBuiltins() const override {
77 return {};
78 }
79
80 BuiltinVaListKind getBuiltinVaListKind() const override {
81 return VoidPtrBuiltinVaList;
82 }
83
84 bool validateAsmConstraint(const char *&Name,
85 TargetInfo::ConstraintInfo &info) const override;
86
87 std::string_view getClobbers() const override { return ""; }
88
89 void getTargetDefines(const LangOptions &Opts,
90 MacroBuilder &Builder) const override;
91 bool hasFeature(StringRef Feature) const override;
92 bool handleTargetFeatures(std::vector<std::string> &Features,
93 DiagnosticsEngine &Diags) override;
94
95 /// Whether target allows to overalign ABI-specified preferred alignment
96 bool allowsLargerPreferedTypeAlignment() const override { return false; }
97
98 bool hasBitIntType() const override { return true; }
99
100protected:
101 ArrayRef<const char *> getGCCRegNames() const override;
102
103 ArrayRef<GCCRegAlias> getGCCRegAliases() const override;
104};
105
106} // namespace targets
107} // namespace clang
108
109#endif // LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H
110