[Bug target/65456] powerpc64le autovectorized copy loop missed optimization

[msebor at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65456

--- Comment #6 from Martin Sebor <msebor at gcc dot gnu.org> ---
Created attachment 35066
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=35066&action=edit
Assembly emitted by gcc 5.0.0 20150319 after aplying the patch referenced in
comment #5.