iropt: Don't try to optimize Mux D.

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 4b5eab8..2071941 100644 (file)
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -5916,6 +5916,8 @@ static ir_node *transform_Mux_set(ir_node *n)
        if (!mode_is_int(mode) && !mode_is_reference(mode))
                return n;
        dest_mode = get_irn_mode(n);
+       if (!mode_is_int(dest_mode) && !mode_is_reference(dest_mode))
+               return n;
        right     = get_Cmp_right(cond);
        relation  = get_Cmp_relation(cond) & ~ir_relation_unordered;
        if (get_mode_size_bits(mode) >= get_mode_size_bits(dest_mode)