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From: "mpolacek at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/107009] [13 Regression] massive unnecessary
 code blowup in vectorizer
Date: Thu, 22 Sep 2022 19:00:06 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 13.0
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107009

Marek Polacek <mpolacek at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |13.0
     Ever confirmed|0                           |1
            Summary|massive unnecessary code    |[13 Regression] massive
                   |blowup in vectorizer        |unnecessary code blowup in
                   |                            |vectorizer
                 CC|                            |aldyh at gcc dot gnu.org,
                   |                            |mpolacek at gcc dot gnu.org
   Last reconfirmed|                            |2022-09-22
             Status|UNCONFIRMED                 |NEW

--- Comment #1 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Looks like it was caused by r13-1268-g8c99e307b20c50:

commit 8c99e307b20c502e55c425897fb3884ba8f05882
Author: Aldy Hernandez <aldyh@redhat.com>
Date:   Sat Jun 25 18:58:02 2022 -0400

    Convert DOM to use Ranger rather than EVRP=