[Bug middle-end/58981] movmem/setmem use mode wider than Pmode for size

[hjl.tools at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58981

--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> ---
A patch is posted at

http://gcc.gnu.org/ml/gcc-patches/2013-11/msg00179.html