[Bug target/101059] v4sf reduction not optimal

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101059

--- Comment #1 from CVS 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:8f323c712ea76cc4506b03895e9b991e4e4b2baf

commit r12-3426-g8f323c712ea76cc4506b03895e9b991e4e4b2baf
Author: liuhongt <hongtao....@intel.com>
Date:   Tue Sep 7 12:39:04 2021 +0800

    Optimize v4sf reduction.

    gcc/ChangeLog:

            PR target/101059
            * config/i386/sse.md (reduc_plus_scal_<mode>): Split to ..
            (reduc_plus_scal_v4sf): .. this, New define_expand.
            (reduc_plus_scal_v2df): .. and this, New define_expand.

    gcc/testsuite/ChangeLog:

            PR target/101059
            * gcc.target/i386/sse2-pr101059.c: New test.
            * gcc.target/i386/sse3-pr101059.c: New test.