https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81593
--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> --- Created attachment 41852 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=41852&action=edit Proposed patch to fix the problem Checked on power7 big endian and power8 little endian.