1 //===--- AArch64.h - Declare AArch64 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 AArch64 TargetInfo objects. 10 // 11 //===----------------------------------------------------------------------===// 12 13 #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H 14 #define LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H 15 16 #include "OSTargets.h" 17 #include "clang/Basic/TargetBuiltins.h" 18 #include "llvm/Support/TargetParser.h" 19 20 namespace clang { 21 namespace targets { 22 23 class LLVM_LIBRARY_VISIBILITY AArch64TargetInfo : public TargetInfo { 24 virtual void setDataLayout() = 0; 25 static const TargetInfo::GCCRegAlias GCCRegAliases[]; 26 static const char *const GCCRegNames[]; 27 28 enum FPUModeEnum { FPUMode, NeonMode = (1 << 0), SveMode = (1 << 1) }; 29 30 unsigned FPU; 31 bool HasCRC; 32 bool HasCrypto; 33 bool HasUnaligned; 34 bool HasFullFP16; 35 bool HasDotProd; 36 bool HasFP16FML; 37 bool HasMTE; 38 bool HasTME; 39 40 llvm::AArch64::ArchKind ArchKind; 41 42 static const Builtin::Info BuiltinInfo[]; 43 44 std::string ABI; 45 46 public: 47 AArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts); 48 49 StringRef getABI() const override; 50 bool setABI(const std::string &Name) override; 51 52 bool validateBranchProtection(StringRef, BranchProtectionInfo &, 53 StringRef &) const override; 54 55 bool isValidCPUName(StringRef Name) const override; 56 void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override; 57 bool setCPU(const std::string &Name) override; 58 59 bool useFP16ConversionIntrinsics() const override { 60 return false; 61 } 62 63 void getTargetDefinesARMV81A(const LangOptions &Opts, 64 MacroBuilder &Builder) const; 65 void getTargetDefinesARMV82A(const LangOptions &Opts, 66 MacroBuilder &Builder) const; 67 void getTargetDefinesARMV83A(const LangOptions &Opts, 68 MacroBuilder &Builder) const; 69 void getTargetDefinesARMV84A(const LangOptions &Opts, 70 MacroBuilder &Builder) const; 71 void getTargetDefinesARMV85A(const LangOptions &Opts, 72 MacroBuilder &Builder) const; 73 void getTargetDefines(const LangOptions &Opts, 74 MacroBuilder &Builder) const override; 75 76 ArrayRef<Builtin::Info> getTargetBuiltins() const override; 77 78 bool hasFeature(StringRef Feature) const override; 79 bool handleTargetFeatures(std::vector<std::string> &Features, 80 DiagnosticsEngine &Diags) override; 81 82 CallingConvCheckResult checkCallingConvention(CallingConv CC) const override; 83 84 bool isCLZForZeroUndef() const override; 85 86 BuiltinVaListKind getBuiltinVaListKind() const override; 87 88 ArrayRef<const char *> getGCCRegNames() const override; 89 ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override; 90 bool validateAsmConstraint(const char *&Name, 91 TargetInfo::ConstraintInfo &Info) const override; 92 bool 93 validateConstraintModifier(StringRef Constraint, char Modifier, unsigned Size, 94 std::string &SuggestedModifier) const override; 95 const char *getClobbers() const override; 96 97 StringRef getConstraintRegister(StringRef Constraint, 98 StringRef Expression) const override { 99 return Expression; 100 } 101 102 int getEHDataRegisterNumber(unsigned RegNo) const override; 103 104 bool hasInt128Type() const override; 105 }; 106 107 class LLVM_LIBRARY_VISIBILITY AArch64leTargetInfo : public AArch64TargetInfo { 108 public: 109 AArch64leTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts); 110 111 void getTargetDefines(const LangOptions &Opts, 112 MacroBuilder &Builder) const override; 113 private: 114 void setDataLayout() override; 115 }; 116 117 class LLVM_LIBRARY_VISIBILITY WindowsARM64TargetInfo 118 : public WindowsTargetInfo<AArch64leTargetInfo> { 119 const llvm::Triple Triple; 120 121 public: 122 WindowsARM64TargetInfo(const llvm::Triple &Triple, 123 const TargetOptions &Opts); 124 125 void setDataLayout() override; 126 127 BuiltinVaListKind getBuiltinVaListKind() const override; 128 129 CallingConvCheckResult checkCallingConvention(CallingConv CC) const override; 130 }; 131 132 // Windows ARM, MS (C++) ABI 133 class LLVM_LIBRARY_VISIBILITY MicrosoftARM64TargetInfo 134 : public WindowsARM64TargetInfo { 135 public: 136 MicrosoftARM64TargetInfo(const llvm::Triple &Triple, 137 const TargetOptions &Opts); 138 139 void getTargetDefines(const LangOptions &Opts, 140 MacroBuilder &Builder) const override; 141 TargetInfo::CallingConvKind 142 getCallingConvKind(bool ClangABICompat4) const override; 143 144 unsigned getMinGlobalAlign(uint64_t TypeSize) const override; 145 }; 146 147 // ARM64 MinGW target 148 class LLVM_LIBRARY_VISIBILITY MinGWARM64TargetInfo 149 : public WindowsARM64TargetInfo { 150 public: 151 MinGWARM64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts); 152 }; 153 154 class LLVM_LIBRARY_VISIBILITY AArch64beTargetInfo : public AArch64TargetInfo { 155 public: 156 AArch64beTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts); 157 void getTargetDefines(const LangOptions &Opts, 158 MacroBuilder &Builder) const override; 159 160 private: 161 void setDataLayout() override; 162 }; 163 164 class LLVM_LIBRARY_VISIBILITY DarwinAArch64TargetInfo 165 : public DarwinTargetInfo<AArch64leTargetInfo> { 166 public: 167 DarwinAArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts); 168 169 BuiltinVaListKind getBuiltinVaListKind() const override; 170 171 protected: 172 void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple, 173 MacroBuilder &Builder) const override; 174 }; 175 176 // 64-bit RenderScript is aarch64 177 class LLVM_LIBRARY_VISIBILITY RenderScript64TargetInfo 178 : public AArch64leTargetInfo { 179 public: 180 RenderScript64TargetInfo(const llvm::Triple &Triple, 181 const TargetOptions &Opts); 182 183 void getTargetDefines(const LangOptions &Opts, 184 MacroBuilder &Builder) const override; 185 }; 186 187 } // namespace targets 188 } // namespace clang 189 190 #endif // LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H 191