[Bug rtl-optimization/97249] Missing vec_select and subreg optimization

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97249

--- 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:52e7f09698ecb5ba6d9e921ffe912d1f66158e9e

commit r11-4204-g52e7f09698ecb5ba6d9e921ffe912d1f66158e9e
Author: liuhongt <hongtao....@intel.com>
Date:   Tue Oct 13 15:35:29 2020 +0800

    Simplify vec_select of a subreg of X to just a vec_select of X.

    gcc/ChangeLog
            PR rtl-optimization/97249
            * simplify-rtx.c (simplify_binary_operation_1): Simplify
            vec_select of a subreg of X to a vec_select of X.

    gcc/testsuite/ChangeLog

            * gcc.target/i386/pr97249-1.c: New test.