Phil Endecott writes: > Andrew Haley wrote: > > David Daney writes: > > > There is nothing that says that __sync_compar_and_swap() cannot expand > > > to a libcall. > > > > Err, if a port doen't have an implementation, that's what gcc does > > anyway. :-) > > That's what the docs say, but actually if you try to use __sync_* on > ARM you'll get a linker error. A library implementation would need to > be OS-specific. Well, yes. What else would you expect? I don't understand your point. Andrew.
