X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fopt%2Freassoc.h;h=3f15bdd2a52bc1a3c4c2998d4e5e3d6ef05fb9b5;hb=8df5c7fd80e2ecfb8bb896b426cf47335deb7bdf;hp=a84ab02294fcf9296c157c64b7ed759c933fea7f;hpb=34aad37ff24a765225ff7dc62e23580b85d170de;p=libfirm

diff --git a/ir/opt/reassoc.h b/ir/opt/reassoc.h
index a84ab0229..3f15bdd2a 100644
--- a/ir/opt/reassoc.h
+++ b/ir/opt/reassoc.h
@@ -13,6 +13,7 @@
  * @file reassoc.h
  *
  * Reassociation optimization.
+ * Uses the "firm.opt.reassoc" debug space
  *
  * @author Michael Beck
  */
@@ -28,8 +29,13 @@
  * and for address expression.
  * Works only if Constant folding is activated.
  *
+ * Uses loop information to detect loop-invariant (ie contant
+ * inside the loop) values.
+ *
  * See Muchnik 12.3.1 Algebraic Simplification and Reassociation of
  * Addressing Expressions.
+ *
+ *
  */
 void optimize_reassociation(ir_graph *irg);