2013-10-30  Christian Bruel  <christian.bruel@st.com>

	* gcc/config/sh/sh-mem.cc (sh_expand_cmpnstr): New function.
	(sh_expand_cmpstr): Handle known align and schedule improvements.
	* gcc/config/sh/sh-protos.h (sh_expand_cmpstrn): Declare.
	* gcc/config/sh/sh.md (cmpstrnsi): New pattern.

From-SVN: r204206