2013-01-03  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/55857
	* tree-vect-stmts.c (vectorizable_load): Do not setup
	re-alignment for invariant loads.

	* gcc.dg/vect/pr55857-1.c: New testcase.
	* gcc.dg/vect/pr55857-2.c: Likewise.

From-SVN: r194850