2001-12-10  Aldy Hernandez  <aldyh@redhat.com>

	* c-common.c (type_for_mode): Handle unsigned vectors.
	(type_for_mode): Remove redundant calls to TYPE_MODE.

	* tree.c (make_vector): New.
	(build_common_tree_nodes_2): Use make_vector for vector types.
	Add unsigned vector types.

	* tree.h (tree_index): Add unsigned types for vectors.
	(unsigned_V16QI_type_node): New.
	(unsigned_V4SI_type_node): New.
	(unsigned_V8QI_type_node): New.
	(unsigned_V8HI_type_node): New.
	(unsigned_V4HI_type_node): New.
	(unsigned_V2SI_type_node): New.

From-SVN: r47889