[hubicka@ucw.cz: Re: EH notes and split instructions]

[Jan Hubicka]

> On Thu, 2002-03-07 at 06:33, Jan Hubicka wrote:
> > Hmm, I feel ashamed to ask:
> > bash-2.04$ ./jc1 -O2 EngineUtils.java
> > EngineUtils.java:0: Can't find default package `java.lang'. Check the CLASSPATH
> > environment variable and the access to the archives
> > 1 error
> 
> jc1 is complaining that it can find the core class files.  These are
> installed as libgcj.jar.  If you don't have this installed, and you have
> it built in your build directory, use "jc1
> -fclasspath=/path/to/libgcj.jar".  If you don't even have it built, but
> have a configured tree, you might be able to get away with "jc1
> -fclasspath=/path/to/libjavasrc:/path/to/libjavabuild".

Should be fixed by attached patch.
I've bootstrapped it and going to install it as obivous to mainline.
OK for the branch?

Thu Mar  7 16:49:18 CET 2002  Jan Hubicka  <jh@suse.cz>
	* reload1.c (reload_cse_delete_noop_set): Purge dead edges.

Index: reload1.c
===================================================================
RCS file: /cvs/gcc/egcs/gcc/reload1.c,v
retrieving revision 1.326
diff -c -3 -p -r1.326 reload1.c
*** reload1.c	2002/03/06 23:07:08	1.326
--- reload1.c	2002/03/07 15:47:19
*************** static void
*** 8019,8024 ****
--- 8019,8025 ----
  reload_cse_delete_noop_set (insn, value)
       rtx insn, value;
  {
+   bool purge = BLOCK_FOR_INSN (insn)->end == insn;
    if (value)
      {
        PATTERN (insn) = gen_rtx_USE (VOIDmode, value);
*************** reload_cse_delete_noop_set (insn, value)
*** 8027,8032 ****
--- 8028,8035 ----
      }
    else
      delete_insn (insn);
+   if (purge)
+     purge_dead_edges (BLOCK_FOR_INSN (insn));
  }
  
  /* See whether a single set SET is a noop.  */