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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/110381] [11/12/13/14 Regression] double
 counting for sum of structs of floating point types
Date: Fri, 23 Jun 2023 19:48:54 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 12.1.0
X-Bugzilla-Keywords: needs-bisection, wrong-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P3
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 11.5
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110381

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |11.5
      Known to work|                            |10.1.0
   Last reconfirmed|                            |2023-06-23
     Ever confirmed|0                           |1
      Known to fail|                            |11.1.0
           Keywords|                            |needs-bisection, wrong-code
            Summary|Incorrect loop unrolling    |[11/12/13/14 Regression]
                   |for structs of floating     |double counting for sum of
                   |point types                 |structs of floating point
                   |                            |types
          Component|c++                         |tree-optimization
             Status|UNCONFIRMED                 |NEW

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed, at -O3 (or -O2 -ftree-vectorize) started to fail in GCC 11.1.0.=