fixed comment

[r18196]

diff --git a/ir/ir/iropt.c b/ir/ir/iropt.c
index 6d8c06f..69da73d 100644 (file)
--- a/ir/ir/iropt.c
+++ b/ir/ir/iropt.c
@@ -2853,7 +2853,8 @@ static ir_node *transform_node_Abs(ir_node *n) {
 
                /*
                 * We can replace the Abs by -x here.
-                * We even could add a new Confirm here.
+                * We even could add a new Confirm here
+                * (if not twos complement)
                 *
                 * Note that -x would create a new node, so we could
                 * not run it in the equivalent_node() context.