Let dfs() discover only memory nodes

[libfirm] / ir / be / becopyopt_t.h

diff --git a/ir/be/becopyopt_t.h b/ir/be/becopyopt_t.h
index 3a6a723..a448100 100644 (file)
--- a/ir/be/becopyopt_t.h
+++ b/ir/be/becopyopt_t.h
@@ -73,7 +73,7 @@ struct _copy_opt_t {
 
 static INLINE int is_2addr_code(const arch_register_req_t *req)
 {
-       return req->type == arch_register_req_type_should_be_same;
+       return (req->type & arch_register_req_type_should_be_same) != 0;
 }
 
 /******************************************************************************