--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/tree-ssa-address.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,42 @@
+/* Header file for memory address lowering and mode selection.
+   Copyright (C) 2013-2017 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+#ifndef GCC_TREE_SSA_ADDRESS_H
+#define GCC_TREE_SSA_ADDRESS_H
+
+/* Description of a memory address.  */
+
+struct mem_address
+{
+  tree symbol, base, index, step, offset;
+};
+
+extern rtx addr_for_mem_ref (struct mem_address *, addr_space_t, bool);
+extern rtx addr_for_mem_ref (tree exp, addr_space_t as, bool really_expand);
+extern void get_address_description (tree, struct mem_address *);
+extern tree tree_mem_ref_addr (tree, tree);
+extern bool valid_mem_ref_p (machine_mode, addr_space_t, struct mem_address *);
+extern void move_fixed_address_to_symbol (struct mem_address *,
+					  struct aff_tree *);
+tree create_mem_ref (gimple_stmt_iterator *, tree,
+		     struct aff_tree *, tree, tree, tree, bool);
+extern void copy_ref_info (tree, tree);
+tree maybe_fold_tmr (tree);
+
+#endif /* GCC_TREE_SSA_ADDRESS_H */