tree.c (tree_code_size): New function, bulk of code from tree_size.

	* tree.c (tree_code_size): New function, bulk of code from tree_size.
	(tree_size, make_node): Use it.
	* tree-ssa-pre.c (init_pre): Use it.
	* tree.h: Prototype it.

From-SVN: r87371

1 files changed, 5 insertions, 0 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index bdd95aa..0dd7eac 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -2650,6 +2650,11 @@ extern tree decl_assembler_name (tree);
 
 extern size_t tree_size (tree);
 
+/* Compute the number of bytes occupied by a tree with code CODE.  This
+   function cannot be used for TREE_VEC or PHI_NODE codes, which are of
+   variable length.  */
+extern size_t tree_code_size (enum tree_code);
+
 /* Lowest level primitive for allocating a node.
    The TREE_CODE is the only argument.  Contents are initialized
    to zero except for a few of the common fields.  */