[Bug libstdc++/98226] Slow std::countr_one

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98226

--- Comment #14 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Jonathan Wakely
<r...@gcc.gnu.org>:

https://gcc.gnu.org/g:d7216ea6c0cd6c4fef06e9501bd630c3161b14fd

commit r10-9576-gd7216ea6c0cd6c4fef06e9501bd630c3161b14fd
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Thu Dec 10 21:57:42 2020 +0000

    libstdc++: Remove redundant branches in countl_one and countr_one [PR
98226]

    There's no need to explicitly check for the maximum value, because the
    function we call handles it correctly anyway.

    libstdc++-v3/ChangeLog:

            PR libstdc++/98226
            * include/std/bit (__countl_one, __countr_one): Remove redundant
            branches.

    (cherry picked from commit 2ea62857a3fbdf091ba38cbb62e98dc76b198e2e)