/* Functions to support link list bitsets.
- Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+ Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
This program is free software; you can redistribute it and/or modify
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
+ along with this program; if not, write to the Free Software Foundation,
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
#ifdef HAVE_CONFIG_H
-#include "config.h"
+# include <config.h>
#endif
#include "lbitset.h"
/* Number of words to use for each element. The larger the value the
greater the size of the cache and the shorter the time to find a given bit
but the more memory wasted for sparse bitsets and the longer the time
- to search for set bits.
+ to search for set bits.
The routines that dominate timing profiles are lbitset_elt_find
and lbitset_elt_link, especially when accessing the bits randomly. */
/* Number of bits stored in each element. */
#define LBITSET_ELT_BITS \
- ((unsigned) (LBITSET_ELT_WORDS * LBITSET_WORD_BITS))
+ ((unsigned int) (LBITSET_ELT_WORDS * LBITSET_WORD_BITS))
/* Lbitset element. We use an array of bits for each element.
These are linked together in a doubly-linked list. */
static bool lbitset_obstack_init = false;
static lbitset_elt *lbitset_free_list; /* Free list of bitset elements. */
-extern void debug_lbitset PARAMS ((bitset));
+extern void debug_lbitset (bitset);
#define LBITSET_CURRENT1(X) \
((lbitset_elt *) (void *) ((char *) (X) - offsetof (lbitset_elt, words)))
#define OBSTACK_CHUNK_FREE free
#endif
-#if !defined(__GNUC__) || (__GNUC__ < 2)
+#if ! defined __GNUC__ || __GNUC__ < 2
#define __alignof__(type) 0
#endif
obstack_specify_allocation (&lbitset_obstack, OBSTACK_CHUNK_SIZE,
__alignof__ (lbitset_elt),
- (void *(*)PARAMS ((long)))
OBSTACK_CHUNK_ALLOC,
- (void (*)PARAMS ((void *)))
OBSTACK_CHUNK_FREE);
}
switch (mode)
{
+ default:
+ abort ();
+
case LBITSET_FIND:
return 0;
case LBITSET_SUBST:
return &lbitset_zero_elts[0];
-
- default:
- abort ();
}
}
n_bits = BITSET_SIZE_ (dst);
last_bit = n_bits % LBITSET_ELT_BITS;
-
+
if (last_bit)
{
lbitset_elt *elt;
bitset_windex windex;
bitset_word *srcp;
-
+
elt = LBITSET_TAIL (dst);
srcp = elt->words;
windex = n_bits / BITSET_WORD_BITS;
-
- srcp[windex - elt->index] &= ((bitset_word) 1 << last_bit) - 1;
+
+ srcp[windex - elt->index] &= ((bitset_word) 1 << last_bit) - 1;
windex++;
for (; (windex - elt->index) < LBITSET_ELT_WORDS; windex++)
dstp = dtmp->words;
switch (op)
{
+ default:
+ abort ();
+
case BITSET_OP_OR:
for (i = 0; i < LBITSET_ELT_WORDS; i++, dstp++)
{
}
}
break;
-
- default:
- abort ();
}
if (!lbitset_elt_zero_p (dtmp))
for (elt = LBITSET_HEAD (bset); elt; elt = elt->next)
{
- fprintf (stderr, "Elt %lu\n", (unsigned long) elt->index);
+ fprintf (stderr, "Elt %lu\n", (unsigned long int) elt->index);
for (i = 0; i < LBITSET_ELT_WORDS; i++)
{
unsigned int j;