Re: cfg merge part 17 - loop datastructure updates

[Richard Henderson <rth at redhat dot com>]

On Fri, May 31, 2002 at 08:40:56PM +0200, Zdenek Dvorak wrote:
> Here is the patch (also updated after bb renumbering removal).

Thanks.  Nearly ok.

> +       /* We could not redirect edges freely here. On the other hand,
> + 	 we know that no abnormal edge enters this block, so we can simply
> + 	 split the edge from entry block.  */

Actually, it is possible for the first block to be the target
of an abnormal edge.  There could be a computed jump to a label
at the beginning of the function.  But certainly that's not
worth handling beyond not setting the header bit if we find one.

Ok with that change.



r~