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diff --git a/gcc/config/m32c/m32c-protos.h b/gcc/config/m32c/m32c-protos.h
new file mode 100644
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+++ b/gcc/config/m32c/m32c-protos.h
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+/* Target Prototypes for R8C/M16C/M32C
+   Copyright (C) 2005, 2007, 2008
+   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/>.  */
+
+#define MM enum machine_mode
+#define UINT unsigned int
+
+int  m32c_class_likely_spilled_p (int);
+void m32c_conditional_register_usage (void);
+int  m32c_const_ok_for_constraint_p (HOST_WIDE_INT, char, const char *);
+UINT m32c_dwarf_frame_regnum (int);
+int  m32c_eh_return_data_regno (int);
+void m32c_emit_epilogue (void);
+void m32c_emit_prologue (void);
+int  m32c_epilogue_uses (int);
+int  m32c_extra_address_constraint (char, const char *);
+int  m32c_extra_memory_constraint (char, const char *);
+int  m32c_function_arg_regno_p (int);
+void m32c_init_expanders (void);
+int  m32c_initial_elimination_offset (int, int);
+void m32c_output_reg_pop (FILE *, int);
+void m32c_output_reg_push (FILE *, int);
+void m32c_override_options (void);
+int  m32c_print_operand_punct_valid_p (int);
+int  m32c_push_rounding (int);
+int  m32c_reg_class_from_constraint (char, const char *);
+void m32c_register_pragmas (void);
+int  m32c_regno_ok_for_base_p (int);
+int  m32c_trampoline_alignment (void);
+int  m32c_trampoline_size (void);
+void m32c_unpend_compare (void);
+
+#if defined(RTX_CODE) && defined(TREE_CODE)
+
+rtx  m32c_function_arg (CUMULATIVE_ARGS *, MM, tree, int);
+rtx  m32c_function_value (const_tree, const_tree);
+
+#endif
+
+#ifdef RTX_CODE
+
+int  m32c_cannot_change_mode_class (MM, MM, int);
+int  m32c_class_max_nregs (int, MM);
+rtx  m32c_cmp_flg_0 (rtx);
+rtx  m32c_eh_return_stackadj_rtx (void);
+void m32c_emit_eh_epilogue (rtx);
+int  m32c_expand_cmpstr (rtx *);
+int  m32c_expand_insv (rtx *);
+int  m32c_expand_movcc (rtx *);
+int  m32c_expand_movmemhi (rtx *);
+int  m32c_expand_movstr (rtx *);
+void m32c_expand_neg_mulpsi3 (rtx *);
+int  m32c_expand_setmemhi (rtx *);
+void m32c_expand_scc (int, rtx *);
+int  m32c_extra_constraint_p (rtx, char, const char *);
+int  m32c_extra_constraint_p2 (rtx, char, const char *);
+int  m32c_hard_regno_nregs (int, MM);
+int  m32c_hard_regno_ok (int, MM);
+bool m32c_illegal_subreg_p (rtx);
+bool m32c_immd_dbl_mov (rtx *, MM);
+rtx  m32c_incoming_return_addr_rtx (void);
+void m32c_initialize_trampoline (rtx, rtx, rtx);
+int  m32c_legitimate_address_p (MM, rtx, int);
+int  m32c_legitimate_constant_p (rtx);
+int  m32c_legitimize_address (rtx *, rtx, MM);
+int  m32c_legitimize_reload_address (rtx *, MM, int, int, int);
+rtx  m32c_libcall_value (MM);
+int  m32c_limit_reload_class (MM, int);
+int  m32c_memory_move_cost (MM, int, int);
+int  m32c_modes_tieable_p (MM, MM);
+bool m32c_mov_ok (rtx *, MM);
+char * m32c_output_compare (rtx, rtx *);
+void m32c_pend_compare (rtx *);
+int  m32c_preferred_output_reload_class (rtx, int);
+int  m32c_preferred_reload_class (rtx, int);
+int  m32c_prepare_move (rtx *, MM);
+int  m32c_prepare_shift (rtx *, int, int);
+void m32c_print_operand (FILE *, rtx, int);
+void m32c_print_operand_address (FILE *, rtx);
+int  m32c_reg_ok_for_base_p (rtx, int);
+int  m32c_register_move_cost (MM, int, int);
+MM   m32c_regno_reg_class (int);
+rtx  m32c_return_addr_rtx (int);
+const char *m32c_scc_pattern (rtx *, RTX_CODE);
+int  m32c_secondary_reload_class (int, MM, rtx);
+int  m32c_split_move (rtx *, MM, int);
+int  m32c_split_psi_p (rtx *);
+
+#endif
+
+#ifdef TREE_CODE
+
+void m32c_function_arg_advance (CUMULATIVE_ARGS *, MM, tree, int);
+tree m32c_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *);
+void m32c_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, int);
+bool m32c_promote_function_return (const_tree);
+int  m32c_special_page_vector_p (tree);
+
+#endif
+
+#undef MM
+#undef UINT