https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79197
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Yeah, or -mcpu=power8 -mno-popcntd -mvsx -mvsx-scalar-double even if gas has power7/power8 support.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79197
--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Yeah, or -mcpu=power8 -mno-popcntd -mvsx -mvsx-scalar-double even if gas has power7/power8 support.