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//===-- LoongArch.h - Declare LoongArch 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 LoongArch TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_H
#define LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_H
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "llvm/Support/Compiler.h"
#include "llvm/TargetParser/Triple.h"
namespace clang {
namespace targets {
class LLVM_LIBRARY_VISIBILITY LoongArchTargetInfo : public TargetInfo {
protected:
std::string ABI;
std::string CPU;
bool HasFeatureD;
bool HasFeatureF;
bool HasFeatureLSX;
bool HasFeatureLASX;
bool HasFeatureFrecipe;
bool HasFeatureLAM_BH;
bool HasFeatureLAMCAS;
bool HasFeatureLD_SEQ_SA;
bool HasFeatureDiv32;
bool HasFeatureSCQ;
public:
LoongArchTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
: TargetInfo(Triple) {
HasFeatureD = false;
HasFeatureF = false;
HasFeatureLSX = false;
HasFeatureLASX = false;
HasFeatureFrecipe = false;
HasFeatureLAM_BH = false;
HasFeatureLAMCAS = false;
HasFeatureLD_SEQ_SA = false;
HasFeatureDiv32 = false;
HasFeatureSCQ = false;
BFloat16Width = 16;
BFloat16Align = 16;
BFloat16Format = &llvm::APFloat::BFloat();
LongDoubleWidth = 128;
LongDoubleAlign = 128;
LongDoubleFormat = &llvm::APFloat::IEEEquad();
MCountName = "_mcount";
HasFloat16 = true;
SuitableAlign = 128;
WCharType = SignedInt;
WIntType = UnsignedInt;
BitIntMaxAlign = 128;
}
bool setCPU(const std::string &Name) override {
if (!isValidCPUName(Name))
return false;
CPU = Name;
return true;
}
StringRef getCPU() const { return CPU; }
StringRef getABI() const override { return ABI; }
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
llvm::SmallVector<Builtin::InfosShard> getTargetBuiltins() const override;
BuiltinVaListKind getBuiltinVaListKind() const override {
return TargetInfo::VoidPtrBuiltinVaList;
}
std::string_view getClobbers() const override { return ""; }
ArrayRef<const char *> getGCCRegNames() const override;
int getEHDataRegisterNumber(unsigned RegNo) const override {
if (RegNo == 0)
return 4;
if (RegNo == 1)
return 5;
return -1;
}
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const override;
std::string convertConstraint(const char *&Constraint) const override;
bool hasBitIntType() const override { return true; }
bool hasBFloat16Type() const override { return true; }
bool useFP16ConversionIntrinsics() const override { return false; }
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) override;
ParsedTargetAttr parseTargetAttr(StringRef Str) const override;
bool supportsTargetAttributeTune() const override { return true; }
bool
initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
StringRef CPU,
const std::vector<std::string> &FeaturesVec) const override;
bool hasFeature(StringRef Feature) const override;
bool isValidCPUName(StringRef Name) const override;
void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override;
bool isValidFeatureName(StringRef Name) const override;
};
class LLVM_LIBRARY_VISIBILITY LoongArch32TargetInfo
: public LoongArchTargetInfo {
public:
LoongArch32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: LoongArchTargetInfo(Triple, Opts) {
IntPtrType = SignedInt;
PtrDiffType = SignedInt;
SizeType = UnsignedInt;
resetDataLayout("e-m:e-p:32:32-i64:64-n32-S128");
// TODO: select appropriate ABI.
setABI("ilp32d");
}
bool setABI(const std::string &Name) override {
if (Name == "ilp32d" || Name == "ilp32f" || Name == "ilp32s") {
ABI = Name;
return true;
}
return false;
}
void setMaxAtomicWidth() override {
MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 32;
}
};
class LLVM_LIBRARY_VISIBILITY LoongArch64TargetInfo
: public LoongArchTargetInfo {
public:
LoongArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
: LoongArchTargetInfo(Triple, Opts) {
LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
IntMaxType = Int64Type = SignedLong;
HasUnalignedAccess = true;
resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n32:64-S128");
// TODO: select appropriate ABI.
setABI("lp64d");
}
bool setABI(const std::string &Name) override {
if (Name == "lp64d" || Name == "lp64f" || Name == "lp64s") {
ABI = Name;
return true;
}
return false;
}
void setMaxAtomicWidth() override {
MaxAtomicPromoteWidth = MaxAtomicInlineWidth = 64;
}
};
} // end namespace targets
} // end namespace clang
#endif // LLVM_CLANG_LIB_BASIC_TARGETS_LOONGARCH_H
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