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/* Bitset vectors.
Copyright (C) 2001 Free Software Foundation, Inc.
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
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
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, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include "bitsetv.h"
/* Create a vector of N_VECS bitsets, each of N_BITS, and of
type TYPE. */
bitset *
bitsetv_alloc (n_vecs, n_bits, type)
unsigned int n_vecs;
unsigned int n_bits;
enum bitset_type type;
{
unsigned int vector_bytes;
unsigned int bytes;
bitset *bsetv;
unsigned int i;
/* Determine number of bytes for each set. */
bytes = bitset_bytes (type, n_bits);
/* Allocate vector table at head of bitset array. */
vector_bytes = (n_vecs + 1) * sizeof (bitset);
bsetv = (bitset *) xcalloc (1, vector_bytes + bytes * n_vecs);
for (i = 0; i < n_vecs; i++)
{
bsetv[i] = (bitset) ((char *) bsetv + vector_bytes + i * bytes);
bitset_init (bsetv[i], n_bits, type);
}
/* Null terminate table. */
bsetv[i] = 0;
return bsetv;
}
/* Create a vector of N_VECS bitsets, each of N_BITS, and with
attribute hints specified by ATTR. */
bitset *
bitsetv_create (n_vecs, n_bits, attr)
unsigned int n_vecs;
unsigned int n_bits;
unsigned int attr;
{
enum bitset_type type;
type = bitset_type_choose (n_bits, attr);
return bitsetv_alloc (n_vecs, n_bits, type);
}
/* Free bitset vector BSETV. */
void
bitsetv_free (bsetv)
bitset *bsetv;
{
unsigned int i;
for (i = 0; bsetv[i]; i++)
BITSET_FREE_ (bsetv[i]);
free (bsetv);
}
/* Zero a vector of bitsets. */
void
bitsetv_zero (bsetv)
struct bitset_struct **bsetv;
{
unsigned int i;
for (i = 0; bsetv[i]; i++)
bitset_zero (bsetv[i]);
}
/* Set a vector of bitsets to ones. */
void
bitsetv_ones (bsetv)
bitset *bsetv;
{
unsigned int i;
for (i = 0; bsetv[i]; i++)
bitset_ones (bsetv[i]);
}
/* Dump the contents of a bitset vector BSETV with N_VECS elements to
FILE. */
void
bitsetv_dump (file, title, subtitle, bsetv)
FILE *file;
const char *title, *subtitle;
bitset *bsetv;
{
unsigned int i;
fprintf (file, "%s\n", title);
for (i = 0; bsetv[i]; i++)
{
fprintf (file, "%s %d\n", subtitle, i);
bitset_dump (file, bsetv[i]);
}
fprintf (file, "\n");
}
void
debug_bitsetv (bsetv)
bitset *bsetv;
{
unsigned int i;
for (i = 0; bsetv[i]; i++)
{
fprintf (stderr, "%d: ", i);
debug_bitset (bsetv[i]);
}
fprintf (stderr, "\n");
}
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