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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/111683] [11/12/13/14 Regression] Incorrect answer
 when using SSE2 intrinsics with -O3
Date: Tue, 03 Oct 2023 22:18:27 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: middle-end
X-Bugzilla-Version: 10.2.1
X-Bugzilla-Keywords: needs-bisection, needs-reduction, wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: NEW
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X-Bugzilla-Priority: P3
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X-Bugzilla-Target-Milestone: 11.5
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 cf_reconfirmed_on target_milestone short_desc bug_status cf_known_to_work
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111683

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
      Known to fail|                            |7.1.0
           Keywords|                            |needs-bisection,
                   |                            |needs-reduction
   Last reconfirmed|                            |2023-10-03
   Target Milestone|---                         |11.5
            Summary|Incorrect answer when using |[11/12/13/14 Regression]
                   |SSE2 intrinsics with -O3    |Incorrect answer when using
                   |                            |SSE2 intrinsics with -O3
             Status|UNCONFIRMED                 |NEW
      Known to work|                            |6.1.0, 6.4.0

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed. Started between GCC 6 and GCC 7. Looks unrolling related too.=