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Subject: [Bug tree-optimization/101615] [12 Regression] wrong code at -O3 on
 x86_64-linux-gnu since r12-1872
Date: Wed, 28 Jul 2021 15:41:37 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101615

--- Comment #5 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Richard Biener <rguenth@gcc.gnu.org>:

https://gcc.gnu.org/g:3c91efec15af4f922a9af495e178bbb66d2e9d1f

commit r12-2573-g3c91efec15af4f922a9af495e178bbb66d2e9d1f
Author: Richard Biener <rguenther@suse.de>
Date:   Wed Jul 28 15:12:00 2021 +0200

    tree-optimization/101615 - SLP permute opt with CTOR roots

    CTOR roots are not explicitely represented so we have to make sure
    to materialize permutes on SLP graph entries to them.

    2021-07-28  Richard Biener  <rguenther@suse.de>

            PR tree-optimization/101615
            * tree-vect-slp.c (vect_optimize_slp): Materialize permutes
            at CTOR SLP graph entries.

            * gcc.dg/vect/bb-slp-pr101615-2.c: New testcase.=