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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/96750] 10-12% performance decrease in benchmark
 going from GCC8 to GCC9/GCC10
Date: Mon, 24 Aug 2020 08:47:16 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D96750

Martin Li=C5=A1ka <marxin at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2020-08-24
                 CC|                            |hubicka at gcc dot gnu.org,
                   |                            |marxin at gcc dot gnu.org
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
Confirmed, started with r9-5763-g61a8637c8893a252:

after:
1794240.0

before:
1802710.0

Anyway, using PGO one can get to:
1488310.0=