[Bug tree-optimization/112325] Missed vectorization of reduction after unrolling

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112325

--- Comment #8 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:e5e305e6048c042139037378fe6abfad5735b54f

commit r14-5632-ge5e305e6048c042139037378fe6abfad5735b54f
Author: liuhongt <hongtao....@intel.com>
Date:   Fri Nov 17 08:45:47 2023 +0800

    Support reduc_{and,ior,xor}_scal_m for V4HI/V8QI/V4QImode

    gcc/ChangeLog:

            PR target/112325
            * config/i386/i386-expand.cc (emit_reduc_half): Hanlde
            V8QImode.
            * config/i386/mmx.md (reduc_<code>_scal_<mode>): New expander.
            (reduc_<code>_scal_v4qi): Ditto.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr112325-mmx-1.c: New test.