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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/114057] [14 Regression] 435.gromacs fails verification
 on with -Ofast -march=znver4 and PGO
Date: Fri, 23 Feb 2024 09:44:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114057

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |fxue at os dot amperecompu=
ting.com
           Keywords|needs-bisection             |

--- Comment #4 from Filip Kastl <pheeck at gcc dot gnu.org> ---
I've bisected this to g:57f611604e8bab67af6c0bcfe6ea88c001408412.


(In reply to Richard Biener from comment #3)
> I guess it doesn't miscompare with -O3 or -O3 -fno-signed-zeros
> -fno-trapping-math -ffinite-math-only -ffp-contract=3Dfast?

I'll take a look.


(In reply to Filip Kastl from comment #2)
> Hm, seems like g:eb619490b01baa2f actually doesn't miscompare. My bad.

Disregard this. g:eb619490b01baa2f *does* miscompare. I had some troubles w=
ith
my bisect script.=