https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82369
Andrew Pinski <pinskia at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement --- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- IV-opts is doing this. But the cost must be for a reason. Someone would need to understand why the x86 backend cost to handle this case. It might be the case the cost is taking account the vector modes.