//===--- CSKY.h - Declare CSKY target feature support -----------*- C++ -*-===//

//

// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

// See https://llvm.org/LICENSE.txt for license information.

// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception

//

//===----------------------------------------------------------------------===//

//

// This file declares CSKY TargetInfo objects.

//

//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H

#define LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H

#include "clang/Basic/MacroBuilder.h"

#include "clang/Basic/TargetInfo.h"

#include "llvm/TargetParser/CSKYTargetParser.h"

namespace clang {

namespace targets {

class LLVM_LIBRARY_VISIBILITY CSKYTargetInfo : public TargetInfo {

protected:

  std::string ABI;

  llvm::CSKY::ArchKind Arch = llvm::CSKY::ArchKind::INVALID;

  std::string CPU;

  bool HardFloat = false;

  bool HardFloatABI = false;

  bool FPUV2_SF = false;

  bool FPUV2_DF = false;

  bool FPUV3_SF = false;

  bool FPUV3_DF = false;

  bool VDSPV2 = false;

  bool VDSPV1 = false;

  bool DSPV2 = false;

  bool is3E3R1 = false;

public:

  CSKYTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)

      : TargetInfo(Triple) {

    NoAsmVariants = true;

    LongLongAlign = 32;

    SuitableAlign = 32;

    DoubleAlign = LongDoubleAlign = 32;

    SizeType = UnsignedInt;

    PtrDiffType = SignedInt;

    IntPtrType = SignedInt;

    WCharType = SignedInt;

    WIntType = UnsignedInt;

    UseZeroLengthBitfieldAlignment = true;

    MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;

    resetDataLayout("e-m:e-S32-p:32:32-i32:32:32-i64:32:32-f32:32:32-f64:32:32-"

                    "v64:32:32-v128:32:32-a:0:32-Fi32-n32");

    setABI("abiv2");

  }

  StringRef getABI() const override { return ABI; }

  bool setABI(const std::string &Name) override {

    if (Name == "abiv2" || Name == "abiv1") {

      ABI = Name;

      return true;

    }

    return false;

  }

  bool setCPU(const std::string &Name) override;

  bool isValidCPUName(StringRef Name) const override;

  unsigned getMinGlobalAlign(uint64_t) const override;

  ArrayRef<Builtin::Info> getTargetBuiltins() const override;

  BuiltinVaListKind getBuiltinVaListKind() const override {

    return VoidPtrBuiltinVaList;

  }

  bool validateAsmConstraint(const char *&Name,

                             TargetInfo::ConstraintInfo &info) const override;

  std::string_view getClobbers() const override { return ""; }

  void getTargetDefines(const LangOptions &Opts,

                        MacroBuilder &Builder) const override;

  bool hasFeature(StringRef Feature) const override;

  bool handleTargetFeatures(std::vector<std::string> &Features,

                            DiagnosticsEngine &Diags) override;

  /// Whether target allows to overalign ABI-specified preferred alignment

  bool allowsLargerPreferedTypeAlignment() const override { return false; }

  bool hasBitIntType() const override { return true; }

protected:

  ArrayRef<const char *> getGCCRegNames() const override;

  ArrayRef<GCCRegAlias> getGCCRegAliases() const override;

};

} // namespace targets

} // namespace clang

#endif // LLVM_CLANG_LIB_BASIC_TARGETS_CSKY_H