------- Comment #8 from hjl dot tools at gmail dot com 2010-09-03 15:37 -------
(In reply to comment #5)
> Hmhm, IVOPTs expands crap into arguments.
>
> Index: gcc/tree-ssa-loop-ivopts.c
> ===================================================================
> --- gcc/tree-ssa-loop-ivopts.c (revision 163817)
> +++ gcc/tree-ssa-loop-ivopts.c (working copy)
> @@ -1023,6 +1023,11 @@ find_bivs (struct ivopts_data *data)
>
> type = TREE_TYPE (PHI_RESULT (phi));
> base = fold_convert (type, base);
> + STRIP_USELESS_TYPE_CONVERSION (base);
> + if (CONVERT_EXPR_P (base)
> + && (POINTER_TYPE_P (TREE_TYPE (base))
> + != POINTER_TYPE_P (TREE_OPERAND (base, 0))))
> + continue;
> if (step)
> {
> if (POINTER_TYPE_P (type))
>
>
> fixes the testcase, I am bootstrapping and testing this on x86_64 as a
> short-term fix but have to think about it some more.
>
> Can you check if 32bit bootstrap succeeds with that?
>
I can bootstrap C with this one on Linux/x86.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45519
