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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/95435] bad builtin memcpy performance with znver1/znver2
 and 32bit
Date: Thu, 30 Jul 2020 08:32:27 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D95435

--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Martin Liska <marxin@gcc.gnu.org>:

https://gcc.gnu.org/g:dc65aba7a4725d1b464c8c64a5f739ee910e8943

commit r11-2422-gdc65aba7a4725d1b464c8c64a5f739ee910e8943
Author: Martin Liska <mliska@suse.cz>
Date:   Mon Jun 1 13:21:40 2020 +0200

    Tune memcpy and memset for Zen cores.

    Based on the collected numbers in PR95435, I suggest the following
    tuning changes:

    gcc/ChangeLog:

            PR target/95435
            * config/i386/x86-tune-costs.h: Use libcall for large sizes for
            -m32. Start using libcall from 128+ bytes.=