http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56296
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution| |INVALID --- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> 2013-02-12 18:21:34 UTC --- To get 64bit __sync_add_and_fetch on MIPS, you need to use either n32, n64 or o64 ABIs or manually use the 64bit instructions if you know you are only to run on some 64bit processors.