clang 17.0.0git
CSKY.h
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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
18#include "llvm/Support/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
79 return VoidPtrBuiltinVaList;
80 }
81
82 bool validateAsmConstraint(const char *&Name,
83 TargetInfo::ConstraintInfo &info) const override;
84
85 const char *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
Defines the clang::MacroBuilder utility class.
static bool hasFeature(StringRef Feature, const LangOptions &LangOpts, const TargetInfo &Target)
Determine whether a translation unit built using the current language options has the given feature.
Definition: Module.cpp:101
Concrete class used by the front-end to report problems and issues.
Definition: Diagnostic.h:192
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
Definition: LangOptions.h:82
Exposes information about the current target.
Definition: TargetInfo.h:206
BuiltinVaListKind
The different kinds of __builtin_va_list types defined by the target implementation.
Definition: TargetInfo.h:288
Options for controlling the target.
Definition: TargetOptions.h:26
const char * getClobbers() const override
Returns a string of target-specific clobbers, in LLVM format.
Definition: CSKY.h:85
CSKYTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
Definition: CSKY.h:41
bool setABI(const std::string &Name) override
Use the specified ABI.
Definition: CSKY.h:62
StringRef getABI() const override
Get the ABI currently in use.
Definition: CSKY.h:61
bool allowsLargerPreferedTypeAlignment() const override
Whether target allows to overalign ABI-specified preferred alignment.
Definition: CSKY.h:94
bool hasBitIntType() const override
Determine whether the _BitInt type is supported on this target.
Definition: CSKY.h:96
BuiltinVaListKind getBuiltinVaListKind() const override
Returns the kind of __builtin_va_list type that should be used with this target.
Definition: CSKY.h:78
Defines the clang::TargetInfo interface.