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//===--- 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
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