[Bug target/59874] Missing builtin (__builtin_clzs) when compiling with g++

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=59874

--- Comment #10 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to uros from comment #9)
> Author: uros
> Date: Wed Dec 14 15:44:07 2016
> New Revision: 243651

This patch reintroduces __builtin_clzs and __builtin_ctzs to gcc-6 branch to
resolve compatibility issues on gcc-6 branch.