[Bug target/97503] Suboptimal use of cntlzw and cntlzd

[lh_mouse at 126 dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97503

--- Comment #8 from LIU Hao <lh_mouse at 126 dot com> ---
(In reply to Uroš Bizjak from comment #7)
> Actually, sign-extension, but the result is never sign-extended.

Yes but it should be a no-op right?