Revert

	2004-04-20  Josef Zlomek  <zlomekj@suse.cz>

		* var-tracking.c (variable_part_different_p): Variable parts
		differ when the most recent locations differ.

From-SVN: r81011

gcc/ChangeLog

+2004-04-22  Josef Zlomek  <zlomekj@suse.cz>
+
+	Revert
+	2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
+
+		* var-tracking.c (variable_part_different_p): Variable parts
+		differ when the most recent locations differ.
+
 2004-04-22  Richard Sandiford  <rsandifo@redhat.com>
 
 	* doc/invoke.texi: Remove the MIPS -membedded-pic option.

gcc/var-tracking.c

@@ -1242,12 +1242,6 @@ variable_part_different_p (variable_part *vp1, variable_part *vp2)
 {
   location_chain lc1, lc2;
 
-  if (!((GET_CODE (vp1->cur_loc) == REG
-	 && GET_CODE (vp2->cur_loc) == REG
-	 && REGNO (vp1->cur_loc) == REGNO (vp2->cur_loc))
-	|| rtx_equal_p (vp1->cur_loc, vp2->cur_loc)))
-    return true;
-
   for (lc1 = vp1->loc_chain; lc1; lc1 = lc1->next)
     {
       for (lc2 = vp2->loc_chain; lc2; lc2 = lc2->next)