[Bug target/66144] vector element operator produces very bad code

[meissner at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66144

--- Comment #4 from Michael Meissner <meissner at gcc dot gnu.org> ---
Created attachment 40657
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40657&action=edit
Potential patch to do the optimization