From: Matthias Braun <matze@braunis.de>
Date: Wed, 12 Sep 2007 17:05:30 +0000 (+0000)
Subject: add comment
X-Git-Url: http://nsz.repo.hu/git/?a=commitdiff_plain;h=19f8863321d6ebd596cb32c8135e25ba50313727;p=libfirm

add comment

[r15762]
---

diff --git a/ir/be/besched.h b/ir/be/besched.h
index 0436e296c..88250c473 100644
--- a/ir/be/besched.h
+++ b/ir/be/besched.h
@@ -34,6 +34,11 @@
 
 void be_sched_dump(FILE *f, ir_graph *irg);
 
+/**
+ * returns the time step of a node. Each node in a block has a timestep
+ * unique to that block. a node schedule before another node has a lower
+ * timestep than this node.
+ */
 int     sched_get_time_step(const ir_node *irn);
 int     sched_has_next(const ir_node *irn);
 int     sched_has_prev(const ir_node *irn);