[Bug target/103861] [i386] vectorize v2qi vectors

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103861

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Uros Bizjak <u...@gcc.gnu.org>:

https://gcc.gnu.org/g:c166632bd22d7da66354121502019fc9c92ef07f

commit r12-6273-gc166632bd22d7da66354121502019fc9c92ef07f
Author: Uros Bizjak <ubiz...@gmail.com>
Date:   Wed Jan 5 23:16:34 2022 +0100

    i386: Introduce V2QImode minmax, abs and uavgv2hi3_ceil [PR103861]

    Add V2QImode minmax, abs and uavxv2qi3_ceil operations with SSE registers.

    2022-01-05  Uroš Bizjak  <ubiz...@gmail.com>

    gcc/ChangeLog:

            PR target/103861
            * config/i386/mmx.md (VI_16_32): New mode iterator.
            (VI1_16_32): Ditto.
            (mmxvecsize): Handle V2QI mode.
            (<smaxmin:code><mode>3): Rename from <smaxmin:code>v4qi3.
            Use VI1_16_32 mode iterator.
            (<umaxmin:code><mode>3): Rename from <umaxmin:code>v4qi3.
            Use VI1_16_32 mode iterator.
            (abs<mode>2): Use VI_16_32 mode iterator.
            (uavgv2qi3_ceil): New insn pattern.

    gcc/testsuite/ChangeLog:

            PR target/103861
            * gcc.target/i386/pr103861-3.c: New test.
            * g++.dg/vect/slp-pr98855.cc (dg-final): Check that
            no vectorization using SLP was performed.