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From: "pheeck at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112548] [14 regression] 5% exec time regression in
 429.mcf on AMD zen4 CPU (since r14-5076-g01c18f58d37865)
Date: Tue, 12 Mar 2024 13:03:05 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112548

--- Comment #8 from Filip Kastl <pheeck at gcc dot gnu.org> ---
(In reply to Robin Dapp from comment #7)
> I built executables with and without the commit (-Ofast -march=3Dznver4
> -flto).  There is no difference so it must really be something that happe=
ns
> with PGO.
> I'd really need access to a zen4 box or the pgo executables at least.

I'd like to help but I'm afraid I cannot send you the SPEC binaries with PGO
applied since SPEC is licensed nor can I give you access to a Zen4 computer=
. I
suppose someone else will have to analyze this bug.=