2015-07-03  Richard Biener  <rguenther@suse.de>

	* genmatch.c (commutative_tree_code, commutative_ternary_tree_code):
	Copy from tree.c
	(dt_operand::gen_gimple_expr): After valueizing operands
	re-canonicalize operand order for commutative tree codes.

From-SVN: r225378