https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56766
--- Comment #15 from Uroš Bizjak <ubizjak at gmail dot com> --- Created attachment 35758 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35758&action=edit Patch that adds additional ADDSUB patterns using vec_select/vec_concat