[Bug tree-optimization/120069] [16 Regression] Yes another imagick -march=native -flto -Ofast + PGO regression (+ wrf and lbm) since r16-270-ga0a64aa5da0af5

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120069

Filip Kastl <pheeck at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[16 Regression] Yes another |[16 Regression] Yes another
                   |imagick -march=native -flto |imagick -march=native -flto
                   |-Ofast + PGO regression     |-Ofast + PGO regression (+
                   |since                       |wrf and lbm) since
                   |r16-270-ga0a64aa5da0af5     |r16-270-ga0a64aa5da0af5

--- Comment #12 from Filip Kastl <pheeck at gcc dot gnu.org> ---
And also wrf -O2 -march=generic -flto PGO slowed down on Zen{2,3,4} machines:
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=685.270.0
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=693.270.0
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=960.270.0

I haven't bisected this but I think it is caused by the same commit.