[Bug target/113600] [14 regression] 525.x264_r run-time regresses by 8% with PGO -Ofast -march=znver4

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113600

--- Comment #2 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
A patch is posted at
https://gcc.gnu.org/pipermail/gcc-patches/2023-December/640276.html

Would you give a try to see if it fixes the regression, I don't currently have
a znver4 machine for testing.