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7086e7071e
* lib/bitsetv.h, lib/ebitset.c, lib/ebitset.h, lib/lbitset.c, * lib/lbitset.h, lib/sbitset.c, lib/sbitset.h: New. * src/closure.c (fderives): Be an array of bitsets.
129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
/* Bitset vectors.
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Copyright (C) 2001 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, USA. */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdlib.h>
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#include "bitsetv.h"
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/* Create a vector of N_VECS bitsets, each of N_BITS, and of
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type TYPE. */
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bitset *
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bitsetv_alloc (n_vecs, n_bits, type)
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unsigned int n_vecs;
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unsigned int n_bits;
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enum bitset_type type;
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{
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unsigned int vector_bytes;
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unsigned int bytes;
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bitset *bsetv;
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unsigned int i;
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/* Determine number of bytes for each set. */
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bytes = bitset_bytes (type, n_bits);
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/* Allocate vector table at head of bitset array. */
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vector_bytes = n_vecs * sizeof (bitset);
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bsetv = (bitset *) xmalloc (vector_bytes + bytes * n_vecs);
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for (i = 0; i < n_vecs; i++)
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{
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bsetv[i] = (bitset)((char *)bsetv + vector_bytes + i * bytes);
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bitset_init (bsetv[i], n_bits, type);
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}
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return bsetv;
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}
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/* Create a vector of N_VECS bitsets, each of N_BITS, and with
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attribute hints specified by ATTR. */
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bitset *
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bitsetv_create (n_vecs, n_bits, attr)
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unsigned int n_vecs;
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unsigned int n_bits;
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unsigned int attr;
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{
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enum bitset_type type;
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type = bitset_type_choose (n_bits, attr);
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return bitsetv_alloc (n_vecs, n_bits, type);
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}
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/* Free bitset vector BSETV. */
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void
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bitsetv_free (bsetv)
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bitset *bsetv;
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{
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free (bsetv);
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}
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/* Zero a vector of N_VECS bitsets. */
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void
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bitsetv_zero (bsetv, n_vecs)
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struct bitset_struct **bsetv;
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unsigned int n_vecs;
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{
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unsigned int i;
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for (i = 0; i < n_vecs; i++)
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bitset_zero (bsetv[i]);
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}
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/* Set a vector of N_VECS bitsets to ones. */
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void
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bitsetv_ones (bsetv, n_vecs)
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bitset *bsetv;
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unsigned int n_vecs;
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{
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unsigned int i;
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for (i = 0; i < n_vecs; i++)
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bitset_ones (bsetv[i]);
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}
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/* Dump the contents of a bitset vector BSETV with N_VECS elements to
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FILE. */
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void
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bitsetv_dump (file, title, subtitle, bsetv, n_vecs)
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FILE *file;
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const char *title, *subtitle;
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bitset *bsetv;
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unsigned int n_vecs;
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{
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unsigned int i;
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fprintf (file, "%s\n", title);
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for (i = 0; i < n_vecs; i++)
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{
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fprintf (file, "%s %d\n", subtitle, i);
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bitset_dump (file, bsetv[i]);
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}
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fprintf (file, "\n");
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}
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