2008-07-02 Richard Guenther <rguenther@suse.de>
commitb64035d26781d55d69ea9e56fbc604258ff05e4f
authorrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 2 Jul 2008 08:07:41 +0000 (2 08:07 +0000)
committerrguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4>
Wed, 2 Jul 2008 08:07:41 +0000 (2 08:07 +0000)
tree59c464d2d8075f1ef24924d7e3cc40d4c5282472
parentd27e061f3df323d7782532ec24e71aa526eec94d
2008-07-02  Richard Guenther  <rguenther@suse.de>

* bitmap.h (bitmap_set_bit): Return bool.
(bitmap_clear_bit): Likewise.
* bitmap.c (bitmap_set_bit): Return if the bit changed.  Only
write to the bitmap if it would.
(bitmap_clear_bit): Likewise.
* tree-ssa-structalias.c (add_implicit_graph_edge): Use
bitmap_set_bit return value.
(add_pred_graph_edge): Likewise.
(add_graph_edge): Likewise.
(do_sd_constraint): Likewise.
(do_ds_constraint): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@137345 138bc75d-0d04-0410-961f-82ee72b054a4
gcc/ChangeLog
gcc/bitmap.c
gcc/bitmap.h
gcc/tree-ssa-structalias.c