On Thu, 21 Nov 2013, Andrew MacLeod wrote: > > I'm trying to avoid ABI breakage of course. I'd rather not have > > to ask people not to use _Atomic with 4.9 for CRIS ports using > > official releases or have ABI breakage with the next release. > > Maybe there's one other port in the same situation... > > None I am aware of, but that doesn't mean much :-)
It has been suggested that hppa may have interesting issues for atomics - but I'd think atomics support for it in GCC would mainly be for GNU/Linux, where you have kernel helpers that may avoid the issues with the underlying architecture. Note that if you want libstdc++ atomics to be ABI compatible with C atomics then there may be more work to do on that side (again, there are pieces on the branch). -- Joseph S. Myers jos...@codesourcery.com
