------- Comment #5 from rguenth at gcc dot gnu dot org 2010-09-03 14:21 -------
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?
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45519
