[Bug target/62128] Use vpalignr for AVX2 rotation

[evstupac at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62128

--- Comment #2 from Stupachenko Evgeny <evstupac at gmail dot com> ---
The patch fixing this submitted for review.
Code generated when patch applied:

        vperm2i128      $33, %ymm0, %ymm0, %ymm1
        vpalignr        $1, %ymm0, %ymm1, %ymm1
        vmovdqa %ymm1, %ymm0