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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-exception6//7//===----------------------------------------------------------------------===//8//9// This file declares CSKY TargetInfo objects.10//11//===----------------------------------------------------------------------===//12 13#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H14#define LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H15 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, 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 alignment96 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 targets107} // namespace clang108 109#endif // LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H110