https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63177
--- Comment #14 from Peter Bergner <bergner at gcc dot gnu.org> --- Author: bergner Date: Thu Jun 7 14:03:35 2018 New Revision: 261277 URL: https://gcc.gnu.org/viewcvs?rev=261277&root=gcc&view=rev Log: Backport from mainline 2018-06-06 Peter Bergner <berg...@vnet.ibm.com> PR target/63177 * /config/rs6000/rs6000.h (ASM_CPU_SPEC): Add support for -mpower9. Don't handle -mcpu=power8 if -mpower9-vector is also used. Modified: branches/gcc-6-branch/gcc/ChangeLog branches/gcc-6-branch/gcc/config/rs6000/rs6000.h