combine.c (simplify_logical): Only simplify logical expressions of the form ior(and(x,y),z) by the inverse...


	* combine.c (simplify_logical): Only simplify logical expressions
	of the form ior(and(x,y),z) by the inverse distributive law if the
	result is cheaper than the original.

Co-Authored-By: Eric Botcazou <ebotcazou@libertysurf.fr>

From-SVN: r94114