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Re: patch for flow.c: flow_delete_insn


On Wed, May 10, 2000 at 12:01:35PM +0200, Franz Sirl wrote:
> /home/fsirl/cvsx/gccm/gcc/cppinit.c:323: number of bb notes in insn chain 
> (8) != n_basic_blocks (7)

Yes, it's amazing the things enable checking finds.  Why I 
don't just leave it on, I don't know.  Probably I just forget
to consistently add the thing to the configure line...

Bootstrapped alphaev6, which showed this same problem.



r~

        * flow.c (find_basic_blocks_1): Remove any spare bb_note
        after completion.

Index: flow.c
===================================================================
RCS file: /cvs/gcc/egcs/gcc/flow.c,v
retrieving revision 1.282
diff -c -p -d -r1.282 flow.c
*** flow.c	2000/05/10 05:48:40	1.282
--- flow.c	2000/05/10 17:40:25
*************** find_basic_blocks_1 (f)
*** 739,744 ****
--- 739,746 ----
  
    if (head != NULL_RTX)
      create_basic_block (i++, head, end, bb_note);
+   else if (bb_note)
+     flow_delete_insn (bb_note);
  
    if (i != n_basic_blocks)
      abort ();

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