[Bug tree-optimization/122777] [16 Regression] 5-8% slowdown of 454.calculix and 548.exchange2_r on AMD Zen{4,5} since r16-5258-g1d8e2d51e5c5cb

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122777

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Maybe the vectorizer/ifcvt since it only happens on Zen{4,5} which both have
AVX512.