diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index acfb3c99c7a..0bc241ac29a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2003-04-30  Steven Bosscher  <steven@gcc.gnu.org>
+
+	* ggc-page.c (TREE_EXP_SIZE): Define.
+	(extra_order_size_table): New entry for expr trees with
+	two operands.
+
 2003-04-30  Gabriel Dos Reis <gdr@integrable-solutions.net>
 
 	* c-common.c (if_elt): Use location_t in lieu of "file, line" pair.
diff --git a/gcc/ggc-page.c b/gcc/ggc-page.c
index ee5f9129e1f..569e5191e9c 100644
--- a/gcc/ggc-page.c
+++ b/gcc/ggc-page.c
@@ -173,6 +173,9 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #define RTL_SIZE(NSLOTS) \
   (sizeof (struct rtx_def) + ((NSLOTS) - 1) * sizeof (rtunion))
 
+#define TREE_EXP_SIZE(OPS) \
+  (sizeof (struct tree_exp) + ((OPS) - 1) * sizeof (tree))
+
 /* The Ith entry is the maximum size of an object to be stored in the
    Ith extra order.  Adding a new entry to this array is the *only*
    thing you need to do to add a new special allocation size.  */
@@ -180,6 +183,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 static const size_t extra_order_size_table[] = {
   sizeof (struct tree_decl),
   sizeof (struct tree_list),
+  TREE_EXP_SIZE (2),
   RTL_SIZE (2),			/* REG, MEM, PLUS, etc.  */
   RTL_SIZE (10),		/* INSN, CALL_INSN, JUMP_INSN */
 };