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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/93768] Use vpternlog for composite logical operations
Date: Wed, 05 Jul 2023 07:41:32 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D93768

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

https://gcc.gnu.org/g:2d11c99dfca3cc603dbbfafb3afc41689a68e40f

commit r14-2310-g2d11c99dfca3cc603dbbfafb3afc41689a68e40f
Author: Jan Beulich <jbeulich@suse.com>
Date:   Wed Jul 5 09:41:09 2023 +0200

    x86: use VPTERNLOG also for certain andnot forms

    When it's the memory operand which is to be inverted, using VPANDN*
    requires a further load instruction. The same can be achieved by a
    single VPTERNLOG*. Add two new alternatives (for plain memory and
    embedded broadcast), adjusting the predicate for the first operand
    accordingly.

    Two pre-existing testcases actually end up being affected (improved) by
    the change, which is reflected in updated expectations there.

    gcc/

            PR target/93768
            * config/i386/sse.md (*andnot<mode>3): Add new alternatives
            for memory form operand 1.

    gcc/testsuite/

            PR target/93768
            * gcc.target/i386/avx512f-andn-di-zmm-2.c: New test.
            * gcc.target/i386/avx512f-andn-si-zmm-2.c: Adjust expecations
            towards generated code.
            * gcc.target/i386/pr100711-3.c: Adjust expectations for 32-bit
            code.=