96 lines
3.1 KiB
C++
96 lines
3.1 KiB
C++
//===--- Lanai.h - Declare Lanai target feature support ---------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares Lanai TargetInfo objects.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_LANAI_H
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#define LLVM_CLANG_LIB_BASIC_TARGETS_LANAI_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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class LLVM_LIBRARY_VISIBILITY LanaiTargetInfo : public TargetInfo {
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// Class for Lanai (32-bit).
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// The CPU profiles supported by the Lanai backend
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enum CPUKind {
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CK_NONE,
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CK_V11,
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} CPU;
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static const TargetInfo::GCCRegAlias GCCRegAliases[];
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static const char *const GCCRegNames[];
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public:
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LanaiTargetInfo(const llvm::Triple &Triple, const TargetOptions &)
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: TargetInfo(Triple) {
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// Description string has to be kept in sync with backend.
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resetDataLayout("E" // Big endian
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"-m:e" // ELF name manging
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"-p:32:32" // 32 bit pointers, 32 bit aligned
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"-i64:64" // 64 bit integers, 64 bit aligned
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"-a:0:32" // 32 bit alignment of objects of aggregate type
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"-n32" // 32 bit native integer width
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"-S64" // 64 bit natural stack alignment
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);
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// Setting RegParmMax equal to what mregparm was set to in the old
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// toolchain
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RegParmMax = 4;
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// Set the default CPU to V11
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CPU = CK_V11;
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// Temporary approach to make everything at least word-aligned and allow for
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// safely casting between pointers with different alignment requirements.
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// TODO: Remove this when there are no more cast align warnings on the
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// firmware.
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MinGlobalAlign = 32;
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}
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void getTargetDefines(const LangOptions &Opts,
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MacroBuilder &Builder) const override;
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bool isValidCPUName(StringRef Name) const override;
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void fillValidCPUList(SmallVectorImpl<StringRef> &Values) const override;
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bool setCPU(const std::string &Name) override;
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bool hasFeature(StringRef Feature) const override;
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ArrayRef<const char *> getGCCRegNames() const override;
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ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override;
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BuiltinVaListKind getBuiltinVaListKind() const override {
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return TargetInfo::VoidPtrBuiltinVaList;
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}
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ArrayRef<Builtin::Info> getTargetBuiltins() const override { return None; }
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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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const char *getClobbers() const override { return ""; }
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bool hasExtIntType() const override { return true; }
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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_LANAI_H
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