alias.c (find_base_term): Synch LO_SUM handling with what find_base_value does.

	2008-12-08  Luis Machado  <luisgpm@br.ibm.com>
	* alias.c (find_base_term): Synch LO_SUM handling with what
	find_base_value does.

From-SVN: r142553

gcc/ChangeLog

+2008-12-08  Luis Machado  <luisgpm@br.ibm.com>
+
+	* alias.c (find_base_term): Synch LO_SUM handling with what
+	find_base_value does.
+
 2008-12-08  Andrew Haley  <aph@redhat.com>
             Kamaraju Kusumanchi <raju.mailinglists@gmail.com>
 

gcc/alias.c

@@ -1408,6 +1408,9 @@ find_base_term (rtx x)
 	return 0;
       /* Fall through.  */
     case LO_SUM:
+      /* The standard form is (lo_sum reg sym) so look only at the
+         second operand.  */
+      return find_base_term (XEXP (x, 1));
     case PLUS:
     case MINUS:
       {