[Bug target/91824] unnecessary sign-extension after _mm_movemask_epi8 or __builtin_popcount

[vanyacpp at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91824

--- Comment #7 from Ivan Sorokin <vanyacpp at gmail dot com> ---
(In reply to Jakub Jelinek from comment #6)
> Fixed.

Thank you!