forked from OSchip/llvm-project
115 lines
3.3 KiB
C++
115 lines
3.3 KiB
C++
//===--- RISCV.h - Declare RISCV target feature support ---------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares RISCV TargetInfo objects.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
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#define LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
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#include "clang/Basic/TargetInfo.h"
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#include "clang/Basic/TargetOptions.h"
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#include "llvm/ADT/Triple.h"
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#include "llvm/Support/Compiler.h"
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namespace clang {
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namespace targets {
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// RISC-V Target
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class RISCVTargetInfo : public TargetInfo {
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protected:
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std::string ABI;
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bool HasM;
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bool HasA;
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bool HasF;
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bool HasD;
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bool HasC;
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public:
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RISCVTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
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: TargetInfo(Triple), HasM(false), HasA(false), HasF(false),
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HasD(false), HasC(false) {
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TLSSupported = false;
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LongDoubleWidth = 128;
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LongDoubleAlign = 128;
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LongDoubleFormat = &llvm::APFloat::IEEEquad();
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SuitableAlign = 128;
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WCharType = SignedInt;
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WIntType = UnsignedInt;
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}
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StringRef getABI() const override { return ABI; }
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void getTargetDefines(const LangOptions &Opts,
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MacroBuilder &Builder) const override;
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ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
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BuiltinVaListKind getBuiltinVaListKind() const override {
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return TargetInfo::VoidPtrBuiltinVaList;
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}
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const char *getClobbers() const override { return ""; }
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ArrayRef<const char *> getGCCRegNames() const override;
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ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
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bool validateAsmConstraint(const char *&Name,
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TargetInfo::ConstraintInfo &Info) const override {
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return false;
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}
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bool hasFeature(StringRef Feature) const override;
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bool handleTargetFeatures(std::vector<std::string> &Features,
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DiagnosticsEngine &Diags) override;
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};
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class LLVM_LIBRARY_VISIBILITY RISCV32TargetInfo : public RISCVTargetInfo {
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public:
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RISCV32TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
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: RISCVTargetInfo(Triple, Opts) {
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IntPtrType = SignedInt;
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PtrDiffType = SignedInt;
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SizeType = UnsignedInt;
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resetDataLayout("e-m:e-p:32:32-i64:64-n32-S128");
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}
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bool setABI(const std::string &Name) override {
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// TODO: support ilp32f and ilp32d ABIs.
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if (Name == "ilp32") {
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ABI = Name;
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return true;
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}
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return false;
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}
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};
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class LLVM_LIBRARY_VISIBILITY RISCV64TargetInfo : public RISCVTargetInfo {
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public:
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RISCV64TargetInfo(const llvm::Triple &Triple, const TargetOptions &Opts)
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: RISCVTargetInfo(Triple, Opts) {
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LongWidth = LongAlign = PointerWidth = PointerAlign = 64;
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IntMaxType = Int64Type = SignedLong;
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resetDataLayout("e-m:e-p:64:64-i64:64-i128:128-n64-S128");
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}
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bool setABI(const std::string &Name) override {
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// TODO: support lp64f and lp64d ABIs.
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if (Name == "lp64") {
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ABI = Name;
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return true;
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}
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return false;
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}
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};
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} // namespace targets
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} // namespace clang
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#endif // LLVM_CLANG_LIB_BASIC_TARGETS_RISCV_H
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