[Bug target/82498] Missed optimization for x86 rotate instruction

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82498

--- Comment #9 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 42343
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42343&action=edit
gcc8-pr82498-intrin.patch

Untested patch to fix the intrinsics.