https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120941

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[16 Regression] 10-40%      |[16 Regression] 10-40%
                   |slowdown of 519.lbm_r on    |slowdown of 519.lbm_r on
                   |Zen{2,3} since              |Zen2 since
                   |r16-1644-gaba3b9d3a48a07    |r16-1644-gaba3b9d3a48a07

--- Comment #6 from Filip Kastl <pheeck at gcc dot gnu.org> ---
(In reply to Haochen Jiang from comment #5)
> I have tried on Zen3 Client machine with -Ofast -flto -march=native/znver2
> and see no regression on both options before and after the commit.

Ah, my bad.  The Zen3 slowdown must be something else.  I forgot to check if
the dates match and they don't (the Zen3 slowdown happened earlier than the
Zen2 slowdown).  So this seems to be only Zen2 issue.  Sorry for that.

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