--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/config/msp430/msp430-protos.h	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,50 @@
+/* Exported function prototypes from the TI MSP430 backend.
+   Copyright (C) 2012-2017 Free Software Foundation, Inc.
+   Contributed by Red Hat.
+
+   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_MSP430_PROTOS_H
+#define GCC_MSP430_PROTOS_H
+
+bool	msp430_do_not_relax_short_jumps (void);
+rtx	msp430_eh_return_stackadj_rtx (void);
+void	msp430_expand_eh_return (rtx);
+void	msp430_expand_epilogue (int);
+void	msp430_expand_helper (rtx *operands, const char *, bool);
+void	msp430_expand_prologue (void);
+const char * msp430x_extendhisi (rtx *);
+void	msp430_fixup_compare_operands (machine_mode, rtx *);
+int	msp430_hard_regno_nregs_has_padding (int, machine_mode);
+int	msp430_hard_regno_nregs_with_padding (int, machine_mode);
+bool    msp430_hwmult_enabled (void);
+rtx	msp430_incoming_return_addr_rtx (void);
+void	msp430_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int);
+int	msp430_initial_elimination_offset (int, int);
+bool    msp430_is_interrupt_func (void);
+const char * msp430x_logical_shift_right (rtx);
+const char * msp430_mcu_name (void);
+void    msp430_output_aligned_decl_common (FILE *, const tree, const char *, unsigned HOST_WIDE_INT, unsigned);
+void	msp430_output_labelref (FILE *, const char *);
+void	msp430_register_pragmas (void);
+rtx	msp430_return_addr_rtx (int);
+void	msp430_split_movsi (rtx *);
+void    msp430_start_function (FILE *, const char *, tree);
+rtx	msp430_subreg (machine_mode, rtx, machine_mode, int);
+bool    msp430_use_f5_series_hwmult (void);
+
+#endif /* GCC_MSP430_PROTOS_H */