+Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
+
+ * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
+ Remove explicit zero initializations of entries within MAP.
+
Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
* reg-stack.c (convert_regs_1): Handle EH edges specially.
max_labelno = max_label_num ();
max_insnno = get_max_uid ();
- map = (struct inline_remap *) xmalloc (sizeof (struct inline_remap));
+ /* Various paths through the unroll code may reach the "egress" label
+ without initializing fields within the map structure.
- map->integrating = 0;
- map->const_equiv_varray = 0;
+ To be safe, we use xcalloc to zero the memory. */
+ map = (struct inline_remap *) xcalloc (1, sizeof (struct inline_remap));
/* Allocate the label map. */
local_label = (char *) xcalloc (max_labelno, sizeof (char));
}
- else
- map->label_map = 0;
/* Search the loop and mark all local labels, i.e. the ones which have to
be distinct labels when copied. For all labels which might be