patch applied to final.c

[Joern Rennecke <amylaar at cygnus dot co dot uk>]

Reviewed by Jim Wilson.

Sun Apr 25 03:17:33 1999  J"orn Rennecke <amylaar@cygnus.co.uk>

	* final.c (insn_lengths_max_uid): New variable.
	(init_insn_lengths, shorten_branches): Set it.
	(get_attr_lengths): Test insn uid against insn_lengths_max_uid.

Index: final.c
===================================================================
RCS file: /cvs/cvsfiles/devo/gcc/final.c,v
retrieving revision 1.167
diff -p -r1.167 final.c
*** final.c	1999/01/20 17:50:22	1.167
--- final.c	1999/04/25 02:15:39
*************** dbr_sequence_length ()
*** 659,664 ****
--- 659,667 ----
  static short *insn_lengths;
  int *insn_addresses;
  
+ /* Max uid for which the above arrays are valid.  */
+ static int insn_lengths_max_uid;
+ 
  /* Address of insn being processed.  Used by `insn_current_length'.  */
  int insn_current_address;
  
*************** init_insn_lengths ()
*** 705,710 ****
--- 708,714 ----
      {
        free (insn_lengths);
        insn_lengths = 0;
+       insn_lengths_max_uid = 0;
      }
    if (insn_addresses)
      {
*************** get_attr_length (insn)
*** 730,736 ****
    int i;
    int length = 0;
  
!   if (insn_lengths)
      return insn_lengths[INSN_UID (insn)];
    else
      switch (GET_CODE (insn))
--- 734,740 ----
    int i;
    int length = 0;
  
!   if (insn_lengths_max_uid > INSN_UID (insn))
      return insn_lengths[INSN_UID (insn)];
    else
      switch (GET_CODE (insn))
*************** shorten_branches (first)
*** 1160,1165 ****
--- 1164,1170 ----
    /* Allocate the rest of the arrays.  */
    insn_lengths = (short *) xmalloc (max_uid * sizeof (short));
    insn_addresses = (int *) xmalloc (max_uid * sizeof (int));
+   insn_lengths_max_uid = max_uid;
    /* Syntax errors can lead to labels being outside of the main insn stream.
       Initialize insn_addresses, so that we get reproducible results.  */
    bzero ((char *)insn_addresses, max_uid * sizeof *insn_addresses);