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

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

From-SVN: r269013

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index dba151b..7c4dbd2 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+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,

diff --git a/gcc/rtlanal.c b/gcc/rtlanal.c
index 401c38f..345f13c 100644 (file)
--- a/gcc/rtlanal.c
+++ b/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