http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46096
--- Comment #2 from Danilo <zweifel at gmail dot com> 2010-10-20 14:07:45 UTC --- (In reply to comment #1) > There is no memory synchronisation, so there is no guarantee that the write to > alpha1->number ever becomes visible to other threads. According to http://wiki.libsdl.org/moin.cgi/SDL_CreateThread, the threads created share the same memory. So I guess sync is not needed.
