--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/optabs-tree.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,47 @@
+/* Tree-based target query functions relating to optabs
+   Copyright (C) 2001-2017 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_OPTABS_TREE_H
+#define GCC_OPTABS_TREE_H
+
+#include "optabs-query.h"
+
+/* An extra flag to control optab_for_tree_code's behavior.  This is needed to
+   distinguish between machines with a vector shift that takes a scalar for the
+   shift amount vs. machines that take a vector for the shift amount.  */
+enum optab_subtype
+{
+  optab_default,
+  optab_scalar,
+  optab_vector
+};
+
+/* Return the optab used for computing the given operation on the type given by
+   the second argument.  The third argument distinguishes between the types of
+   vector shifts and rotates.  */
+optab optab_for_tree_code (enum tree_code, const_tree, enum optab_subtype);
+bool supportable_convert_operation (enum tree_code, tree, tree, tree *,
+				    enum tree_code *);
+bool expand_vec_cmp_expr_p (tree, tree, enum tree_code);
+bool expand_vec_cond_expr_p (tree, tree, enum tree_code);
+void init_tree_optimization_optabs (tree);
+bool target_supports_op_p (tree, enum tree_code,
+			   enum optab_subtype = optab_default);
+
+#endif