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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/110485] vectorizing simd clone calls without
 loop masking applied
Date: Thu, 19 Oct 2023 17:31:03 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110485

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Andre Simoes Dias Vieira
<avieira@gcc.gnu.org>:

https://gcc.gnu.org/g:8b704ed0b8f35ec1a57e70bd8e6913ba0e9d1f24

commit r14-4765-g8b704ed0b8f35ec1a57e70bd8e6913ba0e9d1f24
Author: Andre Vieira <andre.simoesdiasvieira@arm.com>
Date:   Thu Oct 19 18:28:12 2023 +0100

    vect: don't allow fully masked loops with non-masked simd clones [PR
110485]

    When analyzing a loop and choosing a simdclone to use it is possible to
choose
    a simdclone that cannot be used 'inbranch' for a loop that can use part=
ial
    vectors.  This may lead to the vectorizer deciding to use partial vecto=
rs
which
    are not supported for notinbranch simd clones.  This patch fixes that by
    disabling the use of partial vectors once a notinbranch simd clone has =
been
    selected.

    gcc/ChangeLog:

            PR tree-optimization/110485
            * tree-vect-stmts.cc (vectorizable_simd_clone_call): Disable
partial
            vectors usage if a notinbranch simdclone has been selected.

    gcc/testsuite/ChangeLog:

            * gcc.dg/gomp/pr110485.c: New test.=