r126867 - in /branches/gcc-4_2-branch/gcc: Chan...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Jul 24 07:30:47 2007
New Revision: 126867

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=126867
Log:
2007-07-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/32723
	Backport from mainline:
	2007-03-09  Daniel Berlin  <dberlin@dberlin.org>

        * tree-ssa-structalias.c (shared_bitmap_info_t): New structure.
        (shared_bitmap_table): New variable.
        (shared_bitmap_hash): New function.
        (shared_bitmap_eq): Ditto
        (shared_bitmap_lookup): Ditto.
        (shared_bitmap_add): Ditto.
        (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
        (init_alias_vars): Init shared bitmap hashtable.
        (delete_points_to_sets): Delete shared bitmap hashtable.

Modified:
    branches/gcc-4_2-branch/gcc/ChangeLog
    branches/gcc-4_2-branch/gcc/tree-ssa-structalias.c