https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89570
--- Comment #11 from rguenther at suse dot de <rguenther at suse dot de> --- On Tue, 5 Mar 2019, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89570 > > --- Comment #10 from Jakub Jelinek <jakub at gcc dot gnu.org> --- > That wouldn't help at all, the propagation in this PR is in forwprop4, after > vector lowering. The only way would be to make expanders have fallback code. But the reason for only allowing target supported vector GIMPLE is to avoid pessimizing code generation - in the case of compares/conds the chance is we end up with duplicated work.