--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/realmpfr.h	Mon May 24 12:47:05 2010 +0900
@@ -0,0 +1,40 @@
+/* Definitions of floating-point conversion from compiler
+   internal format to MPFR.
+   Copyright (C) 2010
+   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_REALGMP_H
+#define GCC_REALGMP_H
+
+#include <gmp.h>
+#include <mpfr.h>
+#include <mpc.h>
+#include "real.h"
+
+/* In builtins.c.  */
+extern tree do_mpc_arg2 (tree, tree, tree, int, int (*)(mpc_ptr, mpc_srcptr, mpc_srcptr, mpc_rnd_t));
+
+/* Convert between MPFR and REAL_VALUE_TYPE.  The caller is
+   responsible for initializing and clearing the MPFR parameter.  */
+
+extern void real_from_mpfr (REAL_VALUE_TYPE *, mpfr_srcptr, tree, mp_rnd_t);
+extern void mpfr_from_real (mpfr_ptr, const REAL_VALUE_TYPE *, mp_rnd_t);
+
+#endif /* ! GCC_REALGMP_H */
+