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//===--- AArch64.h - Declare AArch64 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 AArch64 TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H
#define LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H
#include "OSTargets.h"
#include "clang/Basic/TargetBuiltins.h"
#include "llvm/TargetParser/AArch64TargetParser.h"
#include <optional>
namespace clang {
namespace targets {
class LLVM_LIBRARY_VISIBILITY AArch64TargetInfo : public TargetInfo {
virtual void setDataLayout() = 0;
static const TargetInfo::GCCRegAlias GCCRegAliases[];
static const char *const GCCRegNames[];
enum FPUModeEnum {
FPUMode = (1 << 0),
NeonMode = (1 << 1),
SveMode = (1 << 2),
};
unsigned FPU = FPUMode;
bool HasCRC = false;
bool HasAES = false;
bool HasSHA2 = false;
bool HasSHA3 = false;
bool HasSM4 = false;
bool HasUnaligned = true;
bool HasFullFP16 = false;
bool HasDotProd = false;
bool HasFP16FML = false;
bool HasMTE = false;
bool HasTME = false;
bool HasPAuth = false;
bool HasLS64 = false;
bool HasRandGen = false;
bool HasMatMul = false;
bool HasBFloat16 = false;
bool HasSVE2 = false;
bool HasSVE2AES = false;
bool HasSVE2SHA3 = false;
bool HasSVE2SM4 = false;
bool HasSVE2BitPerm = false;
bool HasMatmulFP64 = false;
bool HasMatmulFP32 = false;
bool HasLSE = false;
bool HasFlagM = false;
bool HasAlternativeNZCV = false;
bool HasMOPS = false;
bool HasD128 = false;
bool HasRCPC = false;
bool HasRDM = false;
bool HasDIT = false;
bool HasCCPP = false;
bool HasCCDP = false;
bool HasFRInt3264 = false;
bool HasSME = false;
bool HasSME2 = false;
bool HasSMEF64F64 = false;
bool HasSMEI16I64 = false;
bool HasSB = false;
bool HasPredRes = false;
bool HasSSBS = false;
bool HasBTI = false;
bool HasWFxT = false;
bool HasJSCVT = false;
bool HasFCMA = false;
bool HasNoFP = false;
bool HasNoNeon = false;
bool HasNoSVE = false;
bool HasFMV = true;
bool HasGCS = false;
bool HasRCPC3 = false;
bool HasSMEFA64 = false;
bool HasPAuthLR = false;
const llvm::AArch64::ArchInfo *ArchInfo = &llvm::AArch64::ARMV8A;
std::string ABI;
public:
AArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
StringRef getABI() const override;
bool setABI(const std::string &Name) override;
bool validateBranchProtection(StringRef Spec, StringRef Arch,
BranchProtectionInfo &BPI,
StringRef &Err) const override;
bool isValidCPUName(StringRef Name) const override;
void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override;
bool setCPU(const std::string &Name) override;
unsigned multiVersionSortPriority(StringRef Name) const override;
unsigned multiVersionFeatureCost() const override;
bool
initFeatureMap(llvm::StringMap<bool> &Features, DiagnosticsEngine &Diags,
StringRef CPU,
const std::vector<std::string> &FeaturesVec) const override;
bool useFP16ConversionIntrinsics() const override {
return false;
}
void setArchFeatures();
void getTargetDefinesARMV81A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV82A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV83A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV84A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV85A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV86A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV87A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV88A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV89A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV9A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV91A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV92A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV93A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV94A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefinesARMV95A(const LangOptions &Opts,
MacroBuilder &Builder) const;
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
ArrayRef<Builtin::Info> getTargetBuiltins() const override;
std::optional<std::pair<unsigned, unsigned>>
getVScaleRange(const LangOptions &LangOpts) const override;
bool doesFeatureAffectCodeGen(StringRef Name) const override;
StringRef getFeatureDependencies(StringRef Name) const override;
bool validateCpuSupports(StringRef FeatureStr) const override;
bool hasFeature(StringRef Feature) const override;
void setFeatureEnabled(llvm::StringMap<bool> &Features, StringRef Name,
bool Enabled) const override;
bool handleTargetFeatures(std::vector<std::string> &Features,
DiagnosticsEngine &Diags) override;
ParsedTargetAttr parseTargetAttr(StringRef Str) const override;
bool supportsTargetAttributeTune() const override { return true; }
bool supportsCpuSupports() const override { return true; }
bool checkArithmeticFenceSupported() const override { return true; }
bool hasBFloat16Type() const override;
CallingConvCheckResult checkCallingConvention(CallingConv CC) const override;
bool isCLZForZeroUndef() const override;
BuiltinVaListKind getBuiltinVaListKind() const override;
ArrayRef<const char *> getGCCRegNames() const override;
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
std::string convertConstraint(const char *&Constraint) const override;
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &Info) const override;
bool
validateConstraintModifier(StringRef Constraint, char Modifier, unsigned Size,
std::string &SuggestedModifier) const override;
std::string_view getClobbers() const override;
StringRef getConstraintRegister(StringRef Constraint,
StringRef Expression) const override {
return Expression;
}
int getEHDataRegisterNumber(unsigned RegNo) const override;
const char *getBFloat16Mangling() const override { return "u6__bf16"; };
bool hasInt128Type() const override;
bool hasBitIntType() const override { return true; }
};
class LLVM_LIBRARY_VISIBILITY AArch64leTargetInfo : public AArch64TargetInfo {
public:
AArch64leTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
private:
void setDataLayout() override;
};
class LLVM_LIBRARY_VISIBILITY WindowsARM64TargetInfo
: public WindowsTargetInfo<AArch64leTargetInfo> {
const llvm::Triple Triple;
public:
WindowsARM64TargetInfo(const llvm::Triple &Triple,
const TargetOptions &Opts);
void setDataLayout() override;
BuiltinVaListKind getBuiltinVaListKind() const override;
CallingConvCheckResult checkCallingConvention(CallingConv CC) const override;
};
// Windows ARM, MS (C++) ABI
class LLVM_LIBRARY_VISIBILITY MicrosoftARM64TargetInfo
: public WindowsARM64TargetInfo {
public:
MicrosoftARM64TargetInfo(const llvm::Triple &Triple,
const TargetOptions &Opts);
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
TargetInfo::CallingConvKind
getCallingConvKind(bool ClangABICompat4) const override;
unsigned getMinGlobalAlign(uint64_t TypeSize,
bool HasNonWeakDef) const override;
};
// ARM64 MinGW target
class LLVM_LIBRARY_VISIBILITY MinGWARM64TargetInfo
: public WindowsARM64TargetInfo {
public:
MinGWARM64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
};
class LLVM_LIBRARY_VISIBILITY AArch64beTargetInfo : public AArch64TargetInfo {
public:
AArch64beTargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
private:
void setDataLayout() override;
};
class LLVM_LIBRARY_VISIBILITY DarwinAArch64TargetInfo
: public DarwinTargetInfo<AArch64leTargetInfo> {
public:
DarwinAArch64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts);
BuiltinVaListKind getBuiltinVaListKind() const override;
protected:
void getOSDefines(const LangOptions &Opts, const llvm::Triple &Triple,
MacroBuilder &Builder) const override;
};
// 64-bit RenderScript is aarch64
class LLVM_LIBRARY_VISIBILITY RenderScript64TargetInfo
: public AArch64leTargetInfo {
public:
RenderScript64TargetInfo(const llvm::Triple &Triple,
const TargetOptions &Opts);
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
};
} // namespace targets
} // namespace clang
#endif // LLVM_CLANG_LIB_BASIC_TARGETS_AARCH64_H
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