--- a/gcc/config/mmix/mmix-protos.h	Sun Aug 21 07:07:55 2011 +0900
+++ b/gcc/config/mmix/mmix-protos.h	Fri Oct 27 22:46:09 2017 +0900
@@ -1,6 +1,5 @@
 /* Prototypes for exported functions defined in mmix.c
-   Copyright (C) 2000, 2001, 2002, 2003, 2004, 2007, 2010
-   Free Software Foundation, Inc.
+   Copyright (C) 2000-2017 Free Software Foundation, Inc.
    Contributed by Hans-Peter Nilsson (hp@bitrange.com)
 
 This file is part of GCC.
@@ -22,36 +21,31 @@
 extern void mmix_init_expanders (void);
 extern int mmix_eh_return_data_regno (int);
 extern int mmix_initial_elimination_offset (int, int);
-extern int mmix_starting_frame_offset (void);
 extern int mmix_function_arg_regno_p (int, int);
 extern void mmix_function_profiler (FILE *, int);
-extern int mmix_reversible_cc_mode (enum machine_mode);
-extern int mmix_register_move_cost
-  (enum machine_mode, enum reg_class, enum reg_class);
+extern int mmix_reversible_cc_mode (machine_mode);
 extern const char *mmix_text_section_asm_op (void);
 extern const char *mmix_data_section_asm_op (void);
 extern void mmix_output_quoted_string (FILE *, const char *, int);
-extern void mmix_asm_output_source_line  (FILE *, int);
 extern void mmix_asm_output_ascii (FILE *, const char *, int);
 extern void mmix_asm_output_label (FILE *, const char *);
 extern void mmix_asm_output_internal_label (FILE *, const char *);
 extern void mmix_asm_weaken_label (FILE *, const char *);
 extern void mmix_asm_output_labelref (FILE *, const char *);
 extern void mmix_asm_output_def (FILE *, const char *, const char *);
-extern int mmix_print_operand_punct_valid_p (int);
 extern void mmix_asm_output_reg_push (FILE *, int);
 extern void mmix_asm_output_reg_pop (FILE *, int);
 extern void mmix_asm_output_skip (FILE *, int);
 extern void mmix_asm_output_align (FILE *, int);
-extern int mmix_shiftable_wyde_value (unsigned HOST_WIDEST_INT);
-extern void mmix_output_register_setting (FILE *, int, HOST_WIDEST_INT, int);
+extern int64_t mmix_intval (const_rtx);
+extern int mmix_shiftable_wyde_value (uint64_t);
+extern void mmix_output_register_setting (FILE *, int, int64_t, int);
 extern int mmix_opposite_regno (int, int);
 extern int mmix_local_regno (int);
 extern unsigned mmix_dbx_register_number (unsigned);
 extern int mmix_use_simple_return (void);
 extern void mmix_make_decl_one_only (tree);
 extern int mmix_data_alignment (tree, int);
-extern int mmix_constant_alignment (tree, int);
 extern unsigned mmix_local_alignment (tree, unsigned);
 extern void mmix_asm_output_pool_prologue (FILE *, const char *, tree, int);
 extern void mmix_asm_output_aligned_common (FILE *, const char *, int, int);
@@ -60,31 +54,22 @@
   (FILE *, tree, int, const char *);
 extern void mmix_asm_output_addr_diff_elt (FILE *, rtx, int, int);
 extern void mmix_asm_output_addr_vec_elt (FILE *, int);
-extern enum reg_class mmix_preferred_reload_class (rtx, enum reg_class);
-extern enum reg_class mmix_preferred_output_reload_class
-  (rtx, enum reg_class);
 extern enum reg_class mmix_secondary_reload_class
-  (enum reg_class, enum machine_mode, rtx, int);
-extern int mmix_const_ok_for_letter_p (HOST_WIDE_INT, int);
-extern int mmix_const_double_ok_for_letter_p (rtx, int);
-extern int mmix_extra_constraint (rtx, int, int);
+  (enum reg_class, machine_mode, rtx, int);
 extern rtx mmix_dynamic_chain_address (rtx);
 extern rtx mmix_return_addr_rtx (int, rtx);
 extern rtx mmix_eh_return_stackadj_rtx (void);
 extern rtx mmix_eh_return_handler_rtx (void);
 extern int mmix_constant_address_p (rtx);
-extern int mmix_legitimate_constant_p (rtx);
-extern void mmix_print_operand (FILE *, rtx, int);
-extern void mmix_print_operand_address (FILE *, rtx);
 extern void mmix_expand_prologue (void);
 extern void mmix_expand_epilogue (void);
-extern rtx mmix_get_hard_reg_initial_val (enum machine_mode, int);
+extern rtx mmix_get_hard_reg_initial_val (machine_mode, int);
 extern int mmix_asm_preferred_eh_data_format (int, int);
 extern void mmix_setup_frame_addresses (void);
 
 #ifdef RTX_CODE
 /* Needs to be ifdef:d for sake of enum rtx_code.  */
-extern enum machine_mode mmix_select_cc_mode (enum rtx_code, rtx, rtx);
+extern machine_mode mmix_select_cc_mode (enum rtx_code, rtx, rtx);
 extern void mmix_canonicalize_comparison (enum rtx_code *, rtx *, rtx *);
 extern rtx mmix_gen_compare_reg (enum rtx_code, rtx, rtx);
 #endif