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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/107254] [11/12 Regression] Wrong vectorizer
 code (Fortran) since r11-1501-gda2b7c7f0a136b4d
Date: Mon, 17 Oct 2022 13:11:01 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107254

--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-12 branch has been updated by Richard Biener
<rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:fe7d74313736b8e1c30812bc49419f419bdf1c53

commit r12-8841-gfe7d74313736b8e1c30812bc49419f419bdf1c53
Author: Richard Biener <rguenther@suse.de>
Date:   Fri Oct 14 11:14:59 2022 +0200

    tree-optimization/107254 - check and support live lanes from permutes

    The following fixes an omission from adding SLP permute nodes which
    is live lanes originating from those.  We have to check that we
    can extract the lane and have to actually code generate them.

            PR tree-optimization/107254
            * tree-vect-slp.cc (vect_slp_analyze_node_operations_1):
            For permutes also analyze live lanes.
            (vect_schedule_slp_node): For permutes also code generate
            live lane extracts.

            * gfortran.dg/vect/pr107254.f90: New testcase.

    (cherry picked from commit 9ed4a849afb5b18b462bea311e7eee454c2c9f68)=