rtlanal.c (get_initial_register_offset): Fall back to the estimate as long as…

rtlanal.c (get_initial_register_offset): Fall back to the estimate as long as the epilogue isn't completed.

	* rtlanal.c (get_initial_register_offset): Fall back to the estimate
	as long as the epilogue isn't completed.

From-SVN: r269013

gcc/ChangeLog

+2019-02-19  Eric Botcazou  <ebotcazou@adacore.com>
+
+	* rtlanal.c (get_initial_register_offset): Fall back to the estimate
+	as long as the epilogue isn't completed.
+
 2019-02-18  Martin Sebor  <msebor@redhat.com>
 
 	* doc/cpp.texi (Conditional syntax): Add __has_attribute,

gcc/rtlanal.c

@@ -359,10 +359,10 @@ get_initial_register_offset (int from, int to)
   if (to == from)
     return 0;
 
-  /* It is not safe to call INITIAL_ELIMINATION_OFFSET
-     before the reload pass.  We need to give at least
-     an estimation for the resulting frame size.  */
-  if (! reload_completed)
+  /* It is not safe to call INITIAL_ELIMINATION_OFFSET before the epilogue
+     is completed, but we need to give at least an estimate for the stack
+     pointer based on the frame size.  */
+  if (!epilogue_completed)
     {
       offset1 = crtl->outgoing_args_size + get_frame_size ();
 #if !STACK_GROWS_DOWNWARD