https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77621
--- Comment #10 from Uroš Bizjak <ubizjak at gmail dot com> --- Created attachment 39653 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39653&action=edit Target-dependent patch that disables DFmode vectorization via vector costs Proposed target-dependent patch.