diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index f33c0e65c..5474c8569 100644
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+2011-06-18  Robin Getz  <robin.getz@analog.com>
+
+	* bfin.h (is_macmod_signed): New func
+
 2011-06-18  Mike Frysinger  <vapier@gentoo.org>
 
 	* bfin.h (is_macmod_pmove): Add missing space before func args.
diff --git a/include/opcode/bfin.h b/include/opcode/bfin.h
index 30bb90d26..26f019381 100755
--- a/include/opcode/bfin.h
+++ b/include/opcode/bfin.h
@@ -53,6 +53,12 @@ static inline int is_macmod_hmove (int x)
          || (x == M_TFU) || (x == M_S2RND) || (x == M_ISS2) || (x == M_IH);
 }
 
+static inline int is_macmod_signed (int x)
+{
+  return (x == 0) || (x == M_IS) || (x == M_T) || (x == M_S2RND)
+         || (x == M_ISS2) || (x == M_IH) || (x == M_W32);
+}
+
 /*   dsp32mac
 +----+----+---+---|---+----+----+---|---+---+---+---|---+---+---+---+
 | 1  | 1  | 0 | 0 |.M.| 0  | 0  |.mmod..........|.MM|.P.|.w1|.op1...|