simplify-rtx.c (simplify_relational_operation_1): Simplify (LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C)...

	* simplify-rtx.c (simplify_relational_operation_1): Simplify
	(LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
	GEU/LTU reversed.

From-SVN: r145353