[Bug target/68261] GCC needs to use optimized version of memcpy

[geir at cray dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68261

--- Comment #6 from Geir Johansen <geir at cray dot com> ---
(In reply to Andrew Pinski from comment #5)
> (In reply to Geir Johansen from comment #4)
> > (In reply to Andrew Pinski from comment #1)
> > > Note glibc does provide a memcpy which is optimized for each target via
> > > ifuncs. What version of glibc are you running.
> > 
> > 2.11.3
> 
> That is a very old release which was released before most of the modern
> v2/v3 were relased so no wonder you are having performance issues.

Okay, tried GLIBC 2.19 and that version appears to have addressed the issue.