diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index cd88aa7e211a665e843d78cec7d9fd9809ba78e0..75dc14013863ad428f0d5d7c569117b48db834ba 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2006-09-06  Nick Clifton  <nickc@redhat.com>
+
+	* config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
+
 2006-09-05  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	PR tree-opt/28937
diff --git a/gcc/config/frv/frv.h b/gcc/config/frv/frv.h
index 9c1c1e2d39fc6ad418dc26550495552530832cc1..6c53a4dbe99ef16776b488188697190b4e1c7ac6 100644
--- a/gcc/config/frv/frv.h
+++ b/gcc/config/frv/frv.h
@@ -1376,6 +1376,9 @@ extern enum reg_class reg_class_from_letter[];
    : (C) == 'U' ? EXTRA_CONSTRAINT_FOR_U (VALUE)			\
    : 0)
 
+#define EXTRA_MEMORY_CONSTRAINT(C,STR) \
+  ((C) == 'U' || (C) == 'R' || (C) == 'T')
+
 #define CONSTRAINT_LEN(C, STR) \
   ((C) == 'D' ? 3 : DEFAULT_CONSTRAINT_LEN ((C), (STR)))