fold-const.c (ptr_difference_const): Use cst_and_fits_in_hwi instead of host_integerp.

	* fold-const.c (ptr_difference_const): Use
	cst_and_fits_in_hwi instead of host_integerp.

From-SVN: r103436

gcc/ChangeLog

+2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
+
+	* fold-const.c (ptr_difference_const): Use
+	cst_and_fits_in_hwi instead of host_integerp.
+
 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
 
 	* config/darwin.c (gen_pic_offset): New.

gcc/fold-const.c

@@ -11759,10 +11759,10 @@ ptr_difference_const (tree e1, tree e2, HOST_WIDE_INT *diff)
 	toffset2 = fold_convert (type, toffset2);
 
       tdiff = fold_build2 (MINUS_EXPR, type, toffset1, toffset2);
-      if (!host_integerp (tdiff, 0))
+      if (!cst_and_fits_in_hwi (tdiff))
 	return false;
 
-      *diff = tree_low_cst (tdiff, 0);
+      *diff = int_cst_value (tdiff);
     }
   else if (toffset1 || toffset2)
     {