https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122777
--- Comment #6 from Andrew Pinski <pinskia at gcc dot gnu.org> --- calculix for zen5 is fixed by r16-5975-gfae0c626250563 (and now better than ever before). calculix for zen4 still is worse but did improve slightly. exchange2_r looks like it didn't change.
