2010-04-09  Richard Guenther  <rguenther@suse.de>

	* tree-vectorizer.h (struct _stmt_vec_info): Document
	that vectype is the type of the LHS.
	(supportable_widening_operation, supportable_narrowing_operation): 
	Get both input and output vector types as arguments.
	(vect_is_simple_use_1): Declare.
	(get_same_sized_vectype): Likewise.
	* tree-vect-loop.c (vect_determine_vectorization_factor):
	Set STMT_VINFO_VECTYPE to the vector type of the def.
	(vectorizable_reduction): Adjust.
	* tree-vect-patterns.c (vect_recog_widen_mult_pattern):
	Adjust.  Specify the output vector type.
	(vect_pattern_recog_1): Adjust.
	* tree-vect-stmts.c (get_same_sized_vectype): New function.
	(vectorizable_call): Adjust.
	(vectorizable_conversion): Likewise.
	(vectorizable_operation): Likewise.
	(vectorizable_type_demotion): Likewise.
	(vectorizable_type_promotion): Likewise.
	(vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
	the def.
	(vect_is_simple_use_1): New function.
	(supportable_widening_operation): Get both input and output
	vector types.
	(supportable_narrowing_operation): Likewise.
	* tree-vect-slp.c (vect_schedule_slp_instance): Adjust.

From-SVN: r158157