[Bug target/91103] AVX512 vector element extract uses more than 1 shuffle instruction; VALIGND can grab any element

[crazylht at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91103

--- Comment #8 from Hongtao.liu <crazylht at gmail dot com> ---
Fixed in GCC12.