2010-11-16  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (visit_unary_op): Rename to ...
	(visit_nary_op): ... this.
	(visit_binary_op): Remove.
	(visit_use): Adjust and handle GIMPLE_TERNARY_RHS.

	* gcc.dg/tree-ssa/ssa-fre-30.c: New testcase.

From-SVN: r166795