diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 5cd0fb9e35..e9c5051824 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2000-12-11  Michael Snyder  <msnyder@mvstp600e.cygnus.com>
+
+	* blockframe.c (get_prev_frame): Zero all fields of prev by
+	default using memset (instead of one at a time).
+
 2000-12-11  Michael Snyder  <msnyder@cleaver.cygnus.com>
 
 	* sh-tdep.c (sh_extract_struct_value_address): For consistancy,
diff --git a/gdb/blockframe.c b/gdb/blockframe.c
index 747911c1a9..730c651c0a 100644
--- a/gdb/blockframe.c
+++ b/gdb/blockframe.c
@@ -393,13 +393,13 @@ get_prev_frame (struct frame_info *next_frame)
     obstack_alloc (&frame_cache_obstack,
 		   sizeof (struct frame_info));
 
-  prev->saved_regs = NULL;
+  /* Zero all fields by default.  */
+  memset (prev, 0, sizeof (struct frame_info);
+
   if (next_frame)
     next_frame->prev = prev;
   prev->next = next_frame;
-  prev->prev = (struct frame_info *) 0;
   prev->frame = address;
-  prev->signal_handler_caller = 0;
 
 /* This change should not be needed, FIXME!  We should
    determine whether any targets *need* INIT_FRAME_PC to happen