diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fd459d33997..34089ef4ff7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2005-06-02  Richard Henderson  <rth@redhat.com>
+
+	* modulo-sched.c (doloop_register_get): Protect against 
+	doloop_end not defined.
+
 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
 
 	* config/sh/sh.c (general_movsrc_operand,
diff --git a/gcc/modulo-sched.c b/gcc/modulo-sched.c
index f42dd1b1308..082b059bc22 100644
--- a/gcc/modulo-sched.c
+++ b/gcc/modulo-sched.c
@@ -273,8 +273,9 @@ static struct sched_info sms_sched_info =
    or zero if it is not a decrement-and-branch insn.  */
 
 static rtx
-doloop_register_get (rtx insn)
+doloop_register_get (rtx insn ATTRIBUTE_UNUSED)
 {
+#ifdef HAVE_doloop_end
   rtx pattern, reg, condition;
 
   if (! JUMP_P (insn))
@@ -294,6 +295,9 @@ doloop_register_get (rtx insn)
     gcc_unreachable ();
 
   return reg;
+#else
+  return NULL_RTX;
+#endif
 }
 
 /* Check if COUNT_REG is set to a constant in the PRE_HEADER block, so