| //===--- RISCV.h - Declare RISCV target feature support ---------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file declares RISCV TargetInfo objects. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H |
| #define LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H |
| |
| #include "clang/Basic/TargetInfo.h" |
| #include "clang/Basic/TargetOptions.h" |
| #include "llvm/ADT/Triple.h" |
| #include "llvm/Support/Compiler.h" |
| |
| namespace clang { |
| namespace targets { |
| |
| // RISC-V Target |
| class RISCVTargetInfo : public TargetInfo { |
| protected: |
| std::string ABI; |
| bool HasM; |
| bool HasA; |
| bool HasF; |
| bool HasD; |
| bool HasC; |
| |
| public: |
| RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &) |
| : TargetInfo(Triple), HasM(false), HasA(false), HasF(false), |
| HasD(false), HasC(false) { |
| TLSSupported = false; |
| LongDoubleWidth = 128; |
| LongDoubleAlign = 128; |
| LongDoubleFormat = &llvm::APFloat::IEEEquad(); |
| SuitableAlign = 128; |
| WCharType = SignedInt; |
| WIntType = UnsignedInt; |
| } |
| |
| StringRef getABI() const override { return ABI; } |
| void getTargetDefines(const LangOptions &Opts, |
| MacroBuilder &Builder) const override; |
| |
| ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; } |
| |
| BuiltinVaListKind getBuiltinVaListKind() const override { |
| return TargetInfo::VoidPtrBuiltinVaList; |
| } |
| |
| const char *getClobbers() const override { return ""; } |
| |
| ArrayRef<const char *> getGCCRegNames() const override; |
| |
| ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override; |
| |
| bool validateAsmConstraint(const char *&Name, |
| TargetInfo::ConstraintInfo &Info) const override { |
| return false; |
| } |
| |
| bool hasFeature(StringRef Feature) const override; |
| |
| bool handleTargetFeatures(std::vector<std::string> &Features, |
| DiagnosticsEngine &Diags) override; |
| }; |
| class LLVM_LIBRARY_VISIBILITY RISCV32TargetInfo : public RISCVTargetInfo { |
| public: |
| RISCV32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts) |
| : RISCVTargetInfo(Triple, Opts) { |
| IntPtrType = SignedInt; |
| PtrDiffType = SignedInt; |
| SizeType = UnsignedInt; |
| resetDataLayout("e-m:e-p:32:32-i64:64-n32-S128"); |
| } |
| |
| bool setABI(const std::string &Name) override { |
| // TODO: support ilp32f and ilp32d ABIs. |
| if (Name == "ilp32") { |
| ABI = Name; |
| return true; |
| } |
| return false; |
| } |
| }; |
| class LLVM_LIBRARY_VISIBILITY RISCV64TargetInfo : public RISCVTargetInfo { |
| public: |
| RISCV64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts) |
| : RISCVTargetInfo(Triple, Opts) { |
| LongWidth = LongAlign = PointerWidth = PointerAlign = 64; |
| IntMaxType = Int64Type = SignedLong; |
| resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n64-S128"); |
| } |
| |
| bool setABI(const std::string &Name) override { |
| // TODO: support lp64f and lp64d ABIs. |
| if (Name == "lp64") { |
| ABI = Name; |
| return true; |
| } |
| return false; |
| } |
| }; |
| } // namespace targets |
| } // namespace clang |
| |
| #endif // LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H |