expr.c (highest_pow2_factor, [...]): Fix error in last change.

	* expr.c (highest_pow2_factor, case INTEGER_CST): Fix error in
	last change.

From-SVN: r48077

gcc/ChangeLog

+Sun Dec 16 13:13:01 2001  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
+
+	* expr.c (highest_pow2_factor, case INTEGER_CST): Fix error in
+	last change.
+
 2001-12-16  Richard Henderson  <rth@redhat.com>
 
 	* toplev.c (parse_options_and_default_flags): Don't enable

gcc/expr.c

@@ -5804,7 +5804,8 @@ highest_pow2_factor (exp)
       else if (host_integerp (exp, 0))
 	{
 	  c0 = tree_low_cst (exp, 0);
-	  return c0 < 0 ? - c0 : c0;
+	  c0 = c0 < 0 ? - c0 : c0;
+	  return c0 & -c0;
 	}
       break;