- drop dependency of predefined modes

[libfirm] / ir / lower / lower_mode_b.c

diff --git a/ir/lower/lower_mode_b.c b/ir/lower/lower_mode_b.c
index baa151f..c10118a 100644 (file)
--- a/ir/lower/lower_mode_b.c
+++ b/ir/lower/lower_mode_b.c
@@ -166,8 +166,8 @@ static ir_node *lower_node(ir_node *node)
                ir_node **in;
                ir_node  *unknown, *new_phi;
 
-               arity = get_irn_arity(node);
-               in    = alloca(arity * sizeof(in[0]));
+               arity   = get_irn_arity(node);
+               in      = ALLOCAN(ir_node*, arity);
                unknown = new_Unknown(config.lowered_mode);
                for(i = 0; i < arity; ++i) {
                        in[i] = unknown;