diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index fdb554afb87..4dd1a12c3c3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Thu Jul 26 22:22:21 2001  Denis Chertykov  <denisc@overta.ru>
+
+	* cse.c (cse_process_notes): Replace any registers if the address
+	remains valid.
+
 Thu Jul 26 14:04:03 EDT 2001  John Wehle  (john@feith.com)
 
 	* basic-block.h (PROP_ALLOW_CFG_CHANGES): Define.
diff --git a/gcc/cse.c b/gcc/cse.c
index 266b1076c75..72101182063 100644
--- a/gcc/cse.c
+++ b/gcc/cse.c
@@ -6440,7 +6440,8 @@ cse_process_notes (x, object)
       return x;
 
     case MEM:
-      XEXP (x, 0) = cse_process_notes (XEXP (x, 0), x);
+      validate_change (x, &XEXP (x, 0),
+		       cse_process_notes (XEXP (x, 0), x), 0);
       return x;
 
     case EXPR_LIST: