tree.c (get_unwidened): Reorder conditions so that the null pointer check is done first.

* tree.c (get_unwidened): Reorder conditions so that the null pointer
	check is done first.

From-SVN: r75639
This commit is contained in:
Richard Sandiford 2004-01-10 12:02:34 +00:00 committed by Richard Sandiford
parent 7f03f9a39e
commit bb3f5384ba
2 changed files with 8 additions and 3 deletions

View File

@ -1,3 +1,8 @@
2004-01-10 Richard Sandiford <rsandifo@redhat.com>
* tree.c (get_unwidened): Reorder conditions so that the null pointer
check is done first.
2004-01-09 Eric Christopher <echristo@redhat.com>
* toplev.c (rest_of_handle_cfg): Add reg_scan pass

View File

@ -4123,10 +4123,10 @@ get_unwidened (tree op, tree for_type)
The resulting extension to its nominal type (a fullword type)
must fit the same conditions as for other extensions. */
if (INT_CST_LT_UNSIGNED (TYPE_SIZE (type), TYPE_SIZE (TREE_TYPE (op)))
if (type != 0
&& INT_CST_LT_UNSIGNED (TYPE_SIZE (type), TYPE_SIZE (TREE_TYPE (op)))
&& (for_type || ! DECL_BIT_FIELD (TREE_OPERAND (op, 1)))
&& (! uns || final_prec <= innerprec || unsignedp)
&& type != 0)
&& (! uns || final_prec <= innerprec || unsignedp))
{
win = build (COMPONENT_REF, type, TREE_OPERAND (op, 0),
TREE_OPERAND (op, 1));