https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92510
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org --- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 47362 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47362&action=edit gcc10-pr92510.patch I think the right fix is to change comparison mode only if it is from and to scalar integral mode. If imode == omode, this code isn't reached, and it looks completely wrong to say change comparison with DImode to V8QImode etc.