[Bug tree-optimization/123204] [16 Regression] 5-7% slowdown of xalancbmk{,_r} on Zen{4,5} since r16-6133-gca8d97f8cb8d28

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123204

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Yes, we need to look at cost modeling for uncounted loop vect.