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From: "tnfchris at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/109154] [13 regression] jump threading
 de-optimizes nested floating point comparisons
Date: Thu, 09 Nov 2023 14:25:54 +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: 13.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: tnfchris at gcc dot gnu.org
X-Bugzilla-Status: RESOLVED
X-Bugzilla-Resolution: FIXED
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: tnfchris at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 14.0
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109154

Tamar Christina <tnfchris at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[13/14 regression] jump     |[13 regression] jump
                   |threading de-optimizes      |threading de-optimizes
                   |nested floating point       |nested floating point
                   |comparisons                 |comparisons
             Status|NEW                         |RESOLVED
   Target Milestone|13.3                        |14.0
         Resolution|---                         |FIXED

--- Comment #82 from Tamar Christina <tnfchris at gcc dot gnu.org> ---
This should give better performance then GCC-12.  The patches are not
backportable so closing as resolved in GCC-14.=