| //===--- 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 None; |
| } |
| |
| 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::makeArrayRef(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 |