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Diffstat (limited to 'lib/Basic/Targets/RISCV.h')
-rw-r--r-- | lib/Basic/Targets/RISCV.h | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/lib/Basic/Targets/RISCV.h b/lib/Basic/Targets/RISCV.h new file mode 100644 index 000000000000..f83aae539391 --- /dev/null +++ b/lib/Basic/Targets/RISCV.h @@ -0,0 +1,114 @@ +//===--- 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 |