* ifcvt.c (noce_operand_ok): Handle properly unarry operations.

From-SVN: r40181

gcc/ChangeLog

+Fri Mar  2 11:59:43 CET 2001  Jan Hubicka  <jh@suse.cz>
+
+	* ifcvt.c (noce_operand_ok): Handle properly unarry operations.
+
 2001-03-02  Neil Booth  <neil@daikokuya.demon.co.uk>
 
         * cppfiles.c (struct include_file): Update.

gcc/ifcvt.c

@@ -1417,8 +1417,9 @@ noce_operand_ok (op)
       default:
 	switch (GET_RTX_CLASS (GET_CODE (op)))
 	  {
-	  case 'c':
 	  case '1':
+	    return ! may_trap_p (XEXP (op, 0));
+	  case 'c':
 	  case '2':
 	    return ! may_trap_p (XEXP (op, 0)) && ! may_trap_p (XEXP (op, 1));
 	  }