[Bug target/112548] [14 regression] 5% exec time regression in 429.mcf on AMD zen4 CPU (since r14-5076-g01c18f58d37865)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112548

--- Comment #3 from Filip Kastl <pheeck at gcc dot gnu.org> ---
Btw, the slowdown seems specific to PGO+LTO, with PGO or LTO by itself the
benchmarks execution times are relatively stable:
https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=991.60.0&plot.1=992.60.0&plot.2=962.60.0