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//===--- MSP430.h - Declare MSP430 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 MSP430 TargetInfo objects.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
#define LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/Compiler.h"
namespace clang {
namespace targets {
class LLVM_LIBRARY_VISIBILITY MSP430TargetInfo : public TargetInfo {
static const char *const GCCRegNames[];
public:
MSP430TargetInfo(const llvm::Triple &Triple, const TargetOptions &)
: TargetInfo(Triple) {
TLSSupported = false;
IntWidth = 16;
IntAlign = 16;
LongWidth = 32;
LongLongWidth = 64;
LongAlign = LongLongAlign = 16;
FloatWidth = 32;
FloatAlign = 16;
DoubleWidth = LongDoubleWidth = 64;
DoubleAlign = LongDoubleAlign = 16;
PointerWidth = 16;
PointerAlign = 16;
SuitableAlign = 16;
SizeType = UnsignedInt;
IntMaxType = SignedLongLong;
IntPtrType = SignedInt;
PtrDiffType = SignedInt;
SigAtomicType = SignedLong;
resetDataLayout("e-m:e-p:16:16-i32:16-i64:16-f32:16-f64:16-a:8-n8:16-S16");
}
void getTargetDefines(const LangOptions &Opts,
MacroBuilder &Builder) const override;
ArrayRef<Builtin::Info> getTargetBuiltins() const override {
// FIXME: Implement.
return std::nullopt;
}
bool allowsLargerPreferedTypeAlignment() const override { return false; }
bool hasFeature(StringRef Feature) const override {
return Feature == "msp430";
}
ArrayRef<const char *> getGCCRegNames() const override;
ArrayRef<TargetInfo::GCCRegAlias> getGCCRegAliases() const override {
// Make r0 - r3 be recognized by llc (f.e., in clobber list)
static const TargetInfo::GCCRegAlias GCCRegAliases[] = {
{{"r0"}, "pc"},
{{"r1"}, "sp"},
{{"r2"}, "sr"},
{{"r3"}, "cg"},
};
return llvm::ArrayRef(GCCRegAliases);
}
bool validateAsmConstraint(const char *&Name,
TargetInfo::ConstraintInfo &info) const override {
// FIXME: implement
switch (*Name) {
case 'K': // the constant 1
case 'L': // constant -1^20 .. 1^19
case 'M': // constant 1-4:
return true;
}
// No target constraints for now.
return false;
}
const char *getClobbers() const override {
// FIXME: Is this really right?
return "";
}
BuiltinVaListKind getBuiltinVaListKind() const override {
// FIXME: implement
return TargetInfo::CharPtrBuiltinVaList;
}
};
} // namespace targets
} // namespace clang
#endif // LLVM_CLANG_LIB_BASIC_TARGETS_MSP430_H
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