* lib/bitset-int.h, lib/bitset.c, lib/bitset.h, lib/bitsetv.c,

* 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.
2026-03-13 22:33:03 +00:00 · 2002-03-04 11:58:52 +00:00
parent 98254360e3
commit 7086e7071e
14 changed files with 4948 additions and 11 deletions
--- a/lib/bitsetv.c
+++ b/lib/bitsetv.c
@@ -0,0 +1,128 @@
+/* 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 * sizeof (bitset);
+    bsetv = (bitset *) xmalloc (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);
+    }
+    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;
+{
+    free (bsetv);
+}
+
+
+/* Zero a vector of N_VECS bitsets.  */
+void
+bitsetv_zero (bsetv, n_vecs)
+     struct bitset_struct **bsetv;
+     unsigned int n_vecs;
+{
+  unsigned int i;
+
+  for (i = 0; i < n_vecs; i++)
+      bitset_zero (bsetv[i]);
+}
+
+
+/* Set a vector of N_VECS bitsets to ones.  */
+void
+bitsetv_ones (bsetv, n_vecs)
+     bitset *bsetv;
+     unsigned int n_vecs;
+{
+  unsigned int i;
+
+  for (i = 0; i < n_vecs; 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, n_vecs)
+     FILE *file;
+     const char *title, *subtitle;
+     bitset *bsetv;
+     unsigned int n_vecs;
+{
+  unsigned int i;
+
+  fprintf (file, "%s\n", title);
+  for (i = 0; i < n_vecs; i++)
+    {
+      fprintf (file, "%s %d\n", subtitle, i);
+      bitset_dump (file, bsetv[i]);
+    }
+
+  fprintf (file, "\n");
+}