[Bug target/120957] [16 Regression] 6-9% slowdown of 503.bwaves_r on Zen{2,3} since r16-1647-gc06979ff957485

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120957

--- Comment #2 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
I've tested my commit(r16-1647) and the previous commit(r16-1646) with
-march=native -Ofast on zen3 server, and didn't find any regression for
503.bwaves_r.(we don't have zen2 machine.)