diff options
author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-07-02 08:07:41 +0000 |
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committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-07-02 08:07:41 +0000 |
commit | b64035d26781d55d69ea9e56fbc604258ff05e4f (patch) | |
tree | 59c464d2d8075f1ef24924d7e3cc40d4c5282472 /gcc/bitmap.h | |
parent | d27e061f3df323d7782532ec24e71aa526eec94d (diff) | |
download | gcc-b64035d26781d55d69ea9e56fbc604258ff05e4f.tar.gz |
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
Diffstat (limited to 'gcc/bitmap.h')
-rw-r--r-- | gcc/bitmap.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/gcc/bitmap.h b/gcc/bitmap.h index 2a3b0b4baf8..7f17dc1d361 100644 --- a/gcc/bitmap.h +++ b/gcc/bitmap.h @@ -136,11 +136,11 @@ extern bool bitmap_ior_and_compl (bitmap DST, const_bitmap A, const_bitmap B, co /* A |= (B & ~C). Return true if A changes. */ extern bool bitmap_ior_and_compl_into (bitmap DST, const_bitmap B, const_bitmap C); -/* Clear a single register in a register set. */ -extern void bitmap_clear_bit (bitmap, int); +/* Clear a single bit in a bitmap. Return true if the bit changed. */ +extern bool bitmap_clear_bit (bitmap, int); -/* Set a single register in a register set. */ -extern void bitmap_set_bit (bitmap, int); +/* Set a single bit in a bitmap. Return true if the bit changed. */ +extern bool bitmap_set_bit (bitmap, int); /* Return true if a register is set in a register set. */ extern int bitmap_bit_p (bitmap, int); |