gcc/gcc ChangeLog tree-data-ref.c testsuite/gc ...

[dberlin@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	gcc
Changes by:	dberlin@gcc.gnu.org	2005-09-20 13:59:38

Modified files:
	gcc            : ChangeLog tree-data-ref.c 
	gcc/testsuite/gcc.dg/vect: vect-dv-2.c 

Log message:
	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.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.9987&r2=2.9988
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-data-ref.c.diff?cvsroot=gcc&r1=2.42&r2=2.43
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/vect/vect-dv-2.c.diff?cvsroot=gcc&r1=1.5&r2=1.6