[Bug target/114428] [x86] psrad xmm, xmm, 16 and pand xmm, const_vector (0xffff x4) can be optimized to psrld

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114428

--- Comment #2 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:961dd0d635217c703a38c48903981e0d60962546

commit r15-1048-g961dd0d635217c703a38c48903981e0d60962546
Author: liuhongt <hongtao....@intel.com>
Date:   Fri Apr 19 10:39:53 2024 +0800

    Adjust rtx_cost for MEM to enable more simplication

    For CONST_VECTOR_DUPLICATE_P in constant_pool, it is just broadcast or
    variants in ix86_vector_duplicate_simode_const.
    Adjust the cost to COSTS_N_INSNS (2) + speed which should be a little
    bit larger than broadcast.

    gcc/ChangeLog:
            PR target/114428
            * config/i386/i386.cc (ix86_rtx_costs): Adjust cost for
            CONST_VECTOR_DUPLICATE_P in constant_pool.
            * config/i386/i386-expand.cc (ix86_broadcast_from_constant):
            Remove static.
            * config/i386/i386-protos.h (ix86_broadcast_from_constant):
            Declare.

    gcc/testsuite/ChangeLog:

            * gcc.target/i386/pr114428.c: New test.