[Bug target/113079] [x86] Fails to generate dot_prod instructions for 64-bit vector.

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113079

--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by hongtao Liu <liuho...@gcc.gnu.org>:

https://gcc.gnu.org/g:fa911365490a7ca308878517a4af6189ffba7ed6

commit r15-235-gfa911365490a7ca308878517a4af6189ffba7ed6
Author: liuhongt <hongtao....@intel.com>
Date:   Wed Dec 20 11:43:25 2023 +0800

    Support dot_prod optabs for 64-bit vector.

    gcc/ChangeLog:

            PR target/113079
            * config/i386/mmx.md (usdot_prodv8qi): New expander.
            (sdot_prodv8qi): Ditto.
            (udot_prodv8qi): Ditto.
            (usdot_prodv4hi): Ditto.
            (udot_prodv4hi): Ditto.
            (sdot_prodv4hi): Ditto.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr113079.c: New test.
            * gcc.target/i386/pr113079-2.c: New test.
            * gcc.target/i386/sse4-pr113079-2.c: New test.