2005-06-08  Daniel Berlin  <dberlin@dberlin.org>

	* Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
	* tree-flow.h (find_what_p_points_to): Add prototype.
	(push_fields_onto_fieldstack): Ditto.
	(sort_fieldstack): Ditto.
	* tree-optimize.c (init_tree_optimization_passes): Add
	pass_build_pta and pass_del_pta.
	* tree-pass.h (pass_build_pta): New structure.
	(pass_del_pta): Ditto.
	* tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
	using new alias analyzer.
	(push_fields_onto_fieldstack): Removed from here.
	(bitpos_of_field): Ditto.
	(fieldoff_compare): Ditto.
	* tree-ssa-structalias.c: New file.
	* tree-ssa-structalias.h: Ditto.

From-SVN: r100800