[Bug tree-optimization/126915] [17 Regression] 13% slowdown of milc on Zen2 since r17-3220-g5e63fb58f84e3c

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126915

--- Comment #1 from Josef Melcr <jmelcr at gcc dot gnu.org> ---
7% on Zen4 with -Ofast -march=native -flto=128:
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=992.70.0