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| author | Eli Friedman <eli.friedman@gmail.com> | 2011-09-13 20:48:30 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2011-09-13 20:48:30 +0000 |
| commit | 5be3e6ae9d6e8d5e35033bc4dd42d75c8e44b3de (patch) | |
| tree | 6fcd11d713649d9bac2028f09abe9f95f0691459 /clang/lib/CodeGen | |
| parent | 7f0e98fd7fe375fb3a640a624d52260736a51bea (diff) | |
| download | bcm5719-llvm-5be3e6ae9d6e8d5e35033bc4dd42d75c8e44b3de.tar.gz bcm5719-llvm-5be3e6ae9d6e8d5e35033bc4dd42d75c8e44b3de.zip | |
Turn off the generation of unaligned atomic load/store; I'm going to explicitly error out on such cases in the backend, at least for the moment.
llvm-svn: 139640
Diffstat (limited to 'clang/lib/CodeGen')
| -rw-r--r-- | clang/lib/CodeGen/CGObjC.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/clang/lib/CodeGen/CGObjC.cpp b/clang/lib/CodeGen/CGObjC.cpp index 8f5e1fb761d..456909bf537 100644 --- a/clang/lib/CodeGen/CGObjC.cpp +++ b/clang/lib/CodeGen/CGObjC.cpp @@ -378,7 +378,9 @@ static void emitStructGetterCall(CodeGenFunction &CGF, ObjCIvarDecl *ivar, /// accesses. They don't have to be fast, just faster than a function /// call and a mutex. static bool hasUnalignedAtomics(llvm::Triple::ArchType arch) { - return (arch == llvm::Triple::x86 || arch == llvm::Triple::x86_64); + // FIXME: Allow unaligned atomic load/store on x86. (It is not + // currently supported by the backend.) + return 0; } /// Return the maximum size that permits atomic accesses for the given |
