From: David Howells <dhowells@redhat.com>
Date: Fri, 11 Apr 2008 11:11:28 +0100

quoted text
> Harvey Harrison <harvey.harrison@gmail.com> wrote:
> 
> > - * impractical.  So, now we fall back to using memcpy.
> > + * impractical.  So, now we fall back to using memmov.
> 
> That's memmove, not memmov.  Any why memmove, not memcpy?  Is __tmp likely to
> overlap with *ptr?

No, I think it has something to do with what cases GCC is allowed to
optimize the call inline and what cases it cannot wrt.  alignment of
datums.
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