pa.c (print_operand): Compute 'base' only inside the code paths that use it.

        * pa.c (print_operand): Compute 'base' only inside the code paths
        that use it.

From-SVN: r32875

gcc/ChangeLog

+Mon Apr  3 00:50:06 2000  Jason Eckhardt <jle@cygnus.com>
+
+	* pa.c (print_operand): Compute 'base' only inside the code paths
+	that use it.
+
 2000-04-03  Geoffrey Keating  <geoffk@cygnus.com>
 
 	* stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than

gcc/config/pa/pa.c

@@ -3912,15 +3912,17 @@ print_operand (file, x, code)
   else if (GET_CODE (x) == MEM)
     {
       int size = GET_MODE_SIZE (GET_MODE (x));
-      rtx base = XEXP (XEXP (x, 0), 0);
+      rtx base = NULL_RTX;
       switch (GET_CODE (XEXP (x, 0)))
 	{
 	case PRE_DEC:
 	case POST_DEC:
+	  base = XEXP (XEXP (x, 0), 0);
 	  fprintf (file, "-%d(%s)", size, reg_names [REGNO (base)]);
 	  break;
 	case PRE_INC:
 	case POST_INC:
+	  base = XEXP (XEXP (x, 0), 0);
 	  fprintf (file, "%d(%s)", size, reg_names [REGNO (base)]);
 	  break;
 	default: