2005-09-18 Daniel Berlin <dberlin@dberlin.org>

2005-09-18  Daniel Berlin  <dberlin@dberlin.org>

	* tree-data-ref.c (get_number_of_iters_for_loop): New function.
	(analyze_siv_subscript_cst_affine): Add weak SIV test.
	(compute_overlap_steps_for_affine_1_2): Use
	get_number_of_iters_for_loop.
	(analyze_subscript_affine_affine): Check whether difference is
	zero first.
	Use get_number_of_iters_for_loop.
	Check whether overlap occurs outside of bounds.
	(analyze_miv_subscript): Use get_number_of_iters_for_loop.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@104451 138bc75d-0d04-0410-961f-82ee72b054a4