[Bug target/97770] [ICELAKE]Missing vectorization for vpopcnt

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97770

--- Comment #12 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:81d590760c31e11e3a09135f4e182aea232035f2

commit r11-5693-g81d590760c31e11e3a09135f4e182aea232035f2
Author: Hongyu Wang <hongyu.w...@intel.com>
Date:   Wed Nov 11 09:41:13 2020 +0800

    Add popcount<mode> expander to enable popcount auto vectorization under
AVX512BITALG/AVX512POPCNTDQ target.

    gcc/ChangeLog

            PR target/97770
            * config/i386/sse.md (popcount<mode>2): New expander
            for SI/DI vector modes.
            (popcount<mode>2): Likewise for QI/HI vector modes.

    gcc/testsuite/ChangeLog

            PR target/97770
            * gcc.target/i386/avx512bitalg-pr97770-1.c: New test.
            * gcc.target/i386/avx512vpopcntdq-pr97770-1.c: Likewise.
            * gcc.target/i386/avx512vpopcntdq-pr97770-2.c: Likewise.
            * gcc.target/i386/avx512vpopcntdqvl-pr97770-1.c: Likewise.