Hello !

New (since test12) optimized memmove function seems to be broken
on alpha platform. 

If dest and src arguments are misaligned, new memmove does wrong things.


example:
         
       static char p[] = "abcdefghijklmnopkrstuvwxyz01234567890";
       memmove(p + 2, p + 13, 17);
       printk ("DEBUG: memmove test: %s\n", p);

produces:

       DEBUG: memmove test: abyz0123tuvwxyz0123tuvwxyz01234567890


Old memmove variant didn't have this problem.

Thanks,
Alex.
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