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[ELF] Use LLVM_IS_UNALIGNED_ACCESS_FAST. 

llvm-svn: 174276
This commit is contained in:
Michael J. Spencer 2013-02-03 10:49:57 +00:00
parent 7e813242af
commit 7b7e8edb86
1 changed files with 16 additions and 4 deletions
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20
lld/lib/ReaderWriter/ELF/Reader.cpp
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@ -76,40 +76,52 @@ public:
// already created during parser's life.
if (Ident.first == llvm::ELF::ELFCLASS32 &&
Ident.second == llvm::ELF::ELFDATA2LSB) {
#if !LLVM_IS_UNALIGNED_ACCESS_FAST
if (MaxAlignment >= 4)
f.reset(new ELFFile<ELFType<llvm::support::little, 4, false> >(
_elfTargetInfo, std::move(mb), ec));
else if (MaxAlignment >= 2)
else
#endif
if (MaxAlignment >= 2)
f.reset(new ELFFile<ELFType<llvm::support::little, 2, false> >(
_elfTargetInfo, std::move(mb), ec));
else
llvm_unreachable("Invalid alignment for ELF file!");
} else if (Ident.first == llvm::ELF::ELFCLASS32 &&
Ident.second == llvm::ELF::ELFDATA2MSB) {
#if !LLVM_IS_UNALIGNED_ACCESS_FAST
if (MaxAlignment >= 4)
f.reset(new ELFFile<ELFType<llvm::support::big, 4, false> >(
_elfTargetInfo, std::move(mb), ec));
else if (MaxAlignment >= 2)
else
#endif
if (MaxAlignment >= 2)
f.reset(new ELFFile<ELFType<llvm::support::big, 2, false> >(
_elfTargetInfo, std::move(mb), ec));
else
llvm_unreachable("Invalid alignment for ELF file!");
} else if (Ident.first == llvm::ELF::ELFCLASS64 &&
Ident.second == llvm::ELF::ELFDATA2MSB) {
#if !LLVM_IS_UNALIGNED_ACCESS_FAST
if (MaxAlignment >= 8)
f.reset(new ELFFile<ELFType<llvm::support::big, 8, true> >(
_elfTargetInfo, std::move(mb), ec));
else if (MaxAlignment >= 2)
else
#endif
if (MaxAlignment >= 2)
f.reset(new ELFFile<ELFType<llvm::support::big, 2, true> >(
_elfTargetInfo, std::move(mb), ec));
else
llvm_unreachable("Invalid alignment for ELF file!");
} else if (Ident.first == llvm::ELF::ELFCLASS64 &&
Ident.second == llvm::ELF::ELFDATA2LSB) {
#if !LLVM_IS_UNALIGNED_ACCESS_FAST
if (MaxAlignment >= 8)
f.reset(new ELFFile<ELFType<llvm::support::little, 8, true> >(
_elfTargetInfo, std::move(mb), ec));
else if (MaxAlignment >= 2)
else
#endif
if (MaxAlignment >= 2)
f.reset(new ELFFile<ELFType<llvm::support::little, 2, true> >(
_elfTargetInfo, std::move(mb), ec));
else