diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index f14165a45dd..7ea22e36a0b 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2000-01-25  Nick Clifton  <nickc@redhat.com>
+
+	* emit-rtl.c (emit_insn): Only check machine class insns for
+	improper emission of a RETURN.
+
 2000-01-25  Richard Henderson  <rth@cygnus.com>
 
 	* Makefile.in (flow.o): Depend on $(EXPR_H).
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index d1e04730764..c8b07a2e73a 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -2961,6 +2961,7 @@ emit_insn (pattern)
 
 #ifdef ENABLE_RTL_CHECKING
   if (insn
+      && GET_RTX_CLASS (GET_CODE (insn)) == 'i'
       && (returnjump_p (insn)
 	  || (GET_CODE (insn) == SET
 	      && SET_DEST (insn) == pc_rtx)))