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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/110788] Spilling to mask register for GPR vec_duplicate
Date: Fri, 28 Jul 2023 02:07:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110788

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

https://gcc.gnu.org/g:54e54f77c1012ab53126314181c51eaee146ad5d

commit r14-2833-g54e54f77c1012ab53126314181c51eaee146ad5d
Author: liuhongt <hongtao.liu@intel.com>
Date:   Thu Jul 27 15:14:39 2023 +0800

    Add UNSPEC_MASKOP to vpbroadcastm pattern.

    Prevent rtl optimization of vec_duplicate + zero_extend to
    vpbroadcastm since there could be an extra kmov after RA.

    gcc/ChangeLog:

            PR target/110788
            * config/i386/sse.md (avx512cd_maskb_vec_dup<mode>): Add
            UNSPEC_MASKOP.
            (avx512cd_maskw_vec_dup<mode>): Ditto.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr110788.c: New test.=