2008-06-04 Junjie Gu <jgu@tensilica.com>

[pf3gnuchains/gcc-fork.git] / gcc / bitmap.h

diff --git a/gcc/bitmap.h b/gcc/bitmap.h
index 51876be..2a3b0b4 100644 (file)
--- a/gcc/bitmap.h
+++ b/gcc/bitmap.h
@@ -6,7 +6,7 @@ This file is part of GCC.
 
 GCC is free software; you can redistribute it and/or modify it under
 the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
 version.
 
 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
@@ -15,14 +15,14 @@ FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 for more details.
 
 You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING.  If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA.  */
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
 
 #ifndef GCC_BITMAP_H
 #define GCC_BITMAP_H
 #include "hashtab.h"
 #include "statistics.h"
+#include "obstack.h"
 
 /* Fundamental storage type for bitmap.  */
 
@@ -108,6 +108,9 @@ extern bool bitmap_intersect_compl_p (const_bitmap, const_bitmap);
 /* True if MAP is an empty bitmap.  */
 #define bitmap_empty_p(MAP) (!(MAP)->first)
 
+/* True if the bitmap has only a single bit set.  */
+extern bool bitmap_single_bit_set_p (const_bitmap);
+
 /* Count the number of bits set in the bitmap.  */
 extern unsigned long bitmap_count_bits (const_bitmap);