i686/memmove.S always copies backwards when dst > src

[Ondřej Bílka]

On Wed, Jan 08, 2014 at 08:20:02AM +1300, Maxim Kuvyrkov wrote:
> On 8/01/2014, at 7:23 am, Ondřej Bílka <neleai@seznam.cz> wrote:
> 
> > On Tue, Jan 07, 2014 at 02:20:47PM +1300, Maxim Kuvyrkov wrote:
> ...
> >> 
> >> I've created BZ #16394.  The attached patch was tested in i686 environment with memmove ifunc forced to resolve to implementation in sysdeps/i386/i686/memmove.S.
> >> 
> >> I will check in the patch in 24 hours since at least 3 developers have looked at it and confirmed that it is the right fix.
> >> 
> >> Thanks,
> >> 
> > As I said above it looks correct, who else?
> 
> You, Yuriy and myself.  Also, I've spent a good deal of time in the debugger to confirm that the bug cannot trigger wrong behavior, and managed to convince myself of that.
> 
Yeah, I did not count yourself so I bit wondered.