[Bug target/89784] Missing AVX512 intrinsics

[crazylht at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89784

--- Comment #6 from Hongtao.liu <crazylht at gmail dot com> ---
Created attachment 46007
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=46007&action=edit
add cover tests for intrinsics