fix bad mode in a%a optimisation

[r15422]

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index cf8bc86..a1f88c6 100644 (file)
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -2269,7 +2269,7 @@ static ir_node *transform_node_Mod(ir_node *n) {
                ir_node *a = get_Mod_left(n);
                ir_node *b = get_Mod_right(n);
                ir_node *dummy;
-               ir_mode *mode = get_irn_mode(n);
+               ir_mode *mode = get_Mod_resmode(n);
 
                if (a == b && value_not_zero(a, &dummy)) {
                        /* BEWARE: we can optimize a%a to 0 only if this cannot cause a exception */