https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81283
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Target| |powerpc-*-* Component|plugins |middle-end --- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >Is there a reason for the 64-bit atomic built-ins not working on powerpc? Yes because 32bit PowerPC does not have 64bit atomics.