Index: TODO
===================================================================
diff -u -r9c636251d106b1728258076165dd19e8af36b2c1 -rf6a37db73b3ab59faf0bd0486c19548655f98bfe
--- TODO	(.../TODO)	(revision 9c636251d106b1728258076165dd19e8af36b2c1)
+++ TODO	(.../TODO)	(revision f6a37db73b3ab59faf0bd0486c19548655f98bfe)
@@ -3070,6 +3070,8 @@
 - nx.tcl: added switch "incremental" to "variable" and "attribute"
 - added regression test
 
+- nsf.c: improve performance (branch prediction) by using
+  likely/unlikely macros for gcc
 
 TODO:
  - more regression tests for incremental + variable/attribute