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1 /* Definitions of target machine for GNU compiler for Renesas / SuperH SH.
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2 Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2003,
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3 2004, 2005, 2006, 2007, 2008
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4 Free Software Foundation, Inc.
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5 Contributed by Steve Chamberlain (sac@cygnus.com).
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6 Improved by Jim Wilson (wilson@cygnus.com).
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7
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8 This file is part of GCC.
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9
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10 GCC is free software; you can redistribute it and/or modify
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11 it under the terms of the GNU General Public License as published by
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12 the Free Software Foundation; either version 3, or (at your option)
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13 any later version.
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14
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15 GCC is distributed in the hope that it will be useful,
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16 but WITHOUT ANY WARRANTY; without even the implied warranty of
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17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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18 GNU General Public License for more details.
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19
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20 You should have received a copy of the GNU General Public License
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21 along with GCC; see the file COPYING3. If not see
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22 <http://www.gnu.org/licenses/>. */
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23
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24 #ifndef GCC_SH_PROTOS_H
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25 #define GCC_SH_PROTOS_H
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26
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27 enum sh_function_kind {
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28 /* A function with normal C ABI */
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29 FUNCTION_ORDINARY,
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30 /* A special function that guarantees that some otherwise call-clobbered
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31 registers are not clobbered. These can't go through the SH5 resolver,
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32 because it only saves argument passing registers. */
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33 SFUNC_GOT,
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34 /* A special function that should be linked statically. These are typically
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35 smaller or not much larger than a PLT entry.
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36 Some also have a non-standard ABI which precludes dynamic linking. */
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37 SFUNC_STATIC
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38 };
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39
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40 #ifdef RTX_CODE
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41 extern rtx sh_fsca_sf2int (void);
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42 extern rtx sh_fsca_df2int (void);
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43 extern rtx sh_fsca_int2sf (void);
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44 extern struct rtx_def *prepare_scc_operands (enum rtx_code);
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45
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46 /* Declare functions defined in sh.c and used in templates. */
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47
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48 extern const char *output_branch (int, rtx, rtx *);
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49 extern const char *output_ieee_ccmpeq (rtx, rtx *);
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50 extern const char *output_branchy_insn (enum rtx_code, const char *, rtx, rtx *);
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51 extern const char *output_movedouble (rtx, rtx[], enum machine_mode);
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52 extern const char *output_movepcrel (rtx, rtx[], enum machine_mode);
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53 extern const char *output_far_jump (rtx, rtx);
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54
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55 extern struct rtx_def *sfunc_uses_reg (rtx);
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56 extern int barrier_align (rtx);
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57 extern int sh_loop_align (rtx);
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58 extern int fp_zero_operand (rtx);
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59 extern int fp_one_operand (rtx);
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60 extern int fp_int_operand (rtx);
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61 extern rtx get_fpscr_rtx (void);
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62 extern rtx legitimize_pic_address (rtx, enum machine_mode, rtx);
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63 extern int nonpic_symbol_mentioned_p (rtx);
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64 extern void emit_sf_insn (rtx);
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65 extern void emit_df_insn (rtx);
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66 extern void print_operand_address (FILE *, rtx);
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67 extern void print_operand (FILE *, rtx, int);
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68 extern void output_pic_addr_const (FILE *, rtx);
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69 extern int expand_block_move (rtx *);
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70 extern int prepare_move_operands (rtx[], enum machine_mode mode);
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71 extern enum rtx_code prepare_cbranch_operands (rtx *, enum machine_mode mode,
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72 enum rtx_code comparison);
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73 extern void expand_cbranchsi4 (rtx *operands, enum rtx_code comparison, int);
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74 extern bool expand_cbranchdi4 (rtx *operands, enum rtx_code comparison);
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75 extern void from_compare (rtx *, int);
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76 extern int shift_insns_rtx (rtx);
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77 extern void gen_ashift (int, int, rtx);
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78 extern void gen_ashift_hi (int, int, rtx);
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79 extern void gen_shifty_op (int, rtx *);
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80 extern void gen_shifty_hi_op (int, rtx *);
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81 extern int expand_ashiftrt (rtx *);
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82 extern int sh_dynamicalize_shift_p (rtx);
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83 extern int shl_and_kind (rtx, rtx, int *);
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84 extern int shl_and_length (rtx);
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85 extern int shl_and_scr_length (rtx);
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86 extern int gen_shl_and (rtx, rtx, rtx, rtx);
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87 extern int shl_sext_kind (rtx, rtx, int *);
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88 extern int shl_sext_length (rtx);
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89 extern int gen_shl_sext (rtx, rtx, rtx, rtx);
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90 extern rtx gen_datalabel_ref (rtx);
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91 extern int regs_used (rtx, int);
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92 extern void fixup_addr_diff_vecs (rtx);
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93 extern int get_dest_uid (rtx, int);
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94 extern void final_prescan_insn (rtx, rtx *, int);
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95 extern int symbol_ref_operand (rtx, enum machine_mode);
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96 extern int tls_symbolic_operand (rtx, enum machine_mode);
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97 extern int system_reg_operand (rtx, enum machine_mode);
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98 extern int general_movsrc_operand (rtx, enum machine_mode);
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99 extern int general_movdst_operand (rtx, enum machine_mode);
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100 extern int arith_reg_operand (rtx, enum machine_mode);
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101 extern int fp_arith_reg_operand (rtx, enum machine_mode);
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102 extern int arith_operand (rtx, enum machine_mode);
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103 extern int arith_reg_or_0_operand (rtx, enum machine_mode);
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104 extern int logical_operand (rtx, enum machine_mode);
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105 extern int tertiary_reload_operand (rtx, enum machine_mode);
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106 extern int fpscr_operand (rtx, enum machine_mode);
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107 extern int fpul_operand (rtx, enum machine_mode);
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108 extern int commutative_float_operator (rtx, enum machine_mode);
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109 extern int noncommutative_float_operator (rtx, enum machine_mode);
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110 extern int reg_unused_after (rtx, rtx);
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111 extern void expand_sf_unop (rtx (*)(rtx, rtx, rtx), rtx *);
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112 extern void expand_sf_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *);
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113 extern void expand_df_unop (rtx (*)(rtx, rtx, rtx), rtx *);
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114 extern void expand_df_binop (rtx (*)(rtx, rtx, rtx, rtx), rtx *);
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115 extern void expand_fp_branch (rtx (*)(void), rtx (*)(void));
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116 extern int sh_insn_length_adjustment (rtx);
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117 extern int sh_can_redirect_branch (rtx, rtx);
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118 extern void sh_expand_unop_v2sf (enum rtx_code, rtx, rtx);
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119 extern void sh_expand_binop_v2sf (enum rtx_code, rtx, rtx, rtx);
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120 extern int sh_expand_t_scc (enum rtx_code code, rtx target);
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121 extern rtx sh_gen_truncate (enum machine_mode, rtx, int);
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122 extern bool sh_vector_mode_supported_p (enum machine_mode);
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123 #endif /* RTX_CODE */
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124
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125 extern const char *output_jump_label_table (void);
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126 extern int sh_handle_pragma (int (*)(void), void (*)(int), const char *);
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127 extern struct rtx_def *get_fpscr_rtx (void);
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128 extern int sh_media_register_for_return (void);
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129 extern void sh_expand_prologue (void);
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130 extern void sh_expand_epilogue (bool);
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131 extern int sh_need_epilogue (void);
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132 extern void sh_set_return_address (rtx, rtx);
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133 extern int initial_elimination_offset (int, int);
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134 extern int fldi_ok (void);
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135 extern int sh_hard_regno_rename_ok (unsigned int, unsigned int);
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136 extern int sh_cfun_interrupt_handler_p (void);
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137 extern int sh_cfun_resbank_handler_p (void);
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138 extern int sh_attr_renesas_p (const_tree);
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139 extern int sh_cfun_attr_renesas_p (void);
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140 extern void sh_initialize_trampoline (rtx, rtx, rtx);
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141 extern bool sh_cannot_change_mode_class
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142 (enum machine_mode, enum machine_mode, enum reg_class);
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143 extern void sh_mark_label (rtx, int);
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144 extern int sh_register_move_cost
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145 (enum machine_mode mode, enum reg_class, enum reg_class);
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146 extern int check_use_sfunc_addr (rtx, rtx);
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147
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148 #ifdef HARD_CONST
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149 extern void fpscr_set_from_mem (int, HARD_REG_SET);
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150 #endif
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151
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152 extern void sh_pr_interrupt (struct cpp_reader *);
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153 extern void sh_pr_trapa (struct cpp_reader *);
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154 extern void sh_pr_nosave_low_regs (struct cpp_reader *);
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155 extern rtx function_symbol (rtx, const char *, enum sh_function_kind);
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156 extern rtx sh_get_pr_initial_val (void);
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157
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158 extern rtx sh_function_arg (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
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159 extern void sh_function_arg_advance (CUMULATIVE_ARGS *, enum machine_mode, tree, int);
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160 extern int sh_pass_in_reg_p (CUMULATIVE_ARGS *, enum machine_mode, tree);
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161 extern void sh_init_cumulative_args (CUMULATIVE_ARGS *, tree, rtx, tree, signed int, enum machine_mode);
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162 extern bool sh_promote_prototypes (const_tree);
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163
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164 extern rtx replace_n_hard_rtx (rtx, rtx *, int , int);
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165 extern int shmedia_cleanup_truncate (rtx *, void *);
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166
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167 extern int sh_contains_memref_p (rtx);
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168 extern int sh_loads_bankedreg_p (rtx);
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169 extern rtx shmedia_prepare_call_address (rtx fnaddr, int is_sibcall);
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170 struct secondary_reload_info;
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171 extern enum reg_class sh_secondary_reload (bool, rtx, enum reg_class,
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172 enum machine_mode,
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173 struct secondary_reload_info *);
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174 extern int sh2a_get_function_vector_number (rtx);
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175 extern int sh2a_is_function_vector_call (rtx);
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176 extern void sh_fix_range (const char *);
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177 extern bool sh_hard_regno_mode_ok (unsigned int, enum machine_mode);
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178 #endif /* ! GCC_SH_PROTOS_H */
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179
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180 #ifdef SYMBIAN
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181 extern bool sh_symbian_dllimport_name_p (const char *);
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182 extern const char * sh_symbian_strip_name_encoding (const char *);
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183 extern bool sh_symbian_dllexport_name_p (const char *);
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184 extern int symbian_import_export_class (tree, int);
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185 #ifdef TREE_CODE
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186 extern bool sh_symbian_dllexport_p (tree);
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187 extern tree sh_symbian_handle_dll_attribute (tree *, tree, tree, int, bool *);
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188 #ifdef RTX_CODE
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189 extern void sh_symbian_encode_section_info (tree, rtx, int);
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190 #endif
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191 #endif
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192 #endif /* SYMBIAN */
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