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1 /* score3.h for Sunplus S+CORE processor
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2 Copyright (C) 2005, 2007, 2008 Free Software Foundation, Inc.
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3 Contributed by Sunnorth
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4
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5 This file is part of GCC.
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6
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7 GCC is free software; you can redistribute it and/or modify it
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8 under the terms of the GNU General Public License as published
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9 by the Free Software Foundation; either version 3, or (at your
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10 option) any later version.
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11
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12 GCC is distributed in the hope that it will be useful, but WITHOUT
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13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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15 License for more details.
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16
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17 You should have received a copy of the GNU General Public License
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18 along with GCC; see the file COPYING3. If not see
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19 <http://www.gnu.org/licenses/>. */
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20
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21 #ifndef GCC_SCORE3_H
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22 #define GCC_SCORE3_H
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23
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24 enum score3_address_type
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25 {
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26 SCORE3_ADD_REG,
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27 SCORE3_ADD_CONST_INT,
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28 SCORE3_ADD_SYMBOLIC
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29 };
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30
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31 struct score3_frame_info
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32 {
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33 HOST_WIDE_INT total_size; /* bytes that the entire frame takes up */
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34 HOST_WIDE_INT var_size; /* bytes that variables take up */
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35 HOST_WIDE_INT args_size; /* bytes that outgoing arguments take up */
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36 HOST_WIDE_INT gp_reg_size; /* bytes needed to store gp regs */
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37 HOST_WIDE_INT gp_sp_offset; /* offset from new sp to store gp registers */
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38 HOST_WIDE_INT cprestore_size; /* # bytes that the .cprestore slot takes up */
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39 unsigned int mask; /* mask of saved gp registers */
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40 int num_gp; /* number of gp registers saved */
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41 };
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42
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43 struct score3_arg_info
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44 {
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45 unsigned int num_bytes; /* The argument's size in bytes */
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46 unsigned int reg_words; /* The number of words passed in registers */
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47 unsigned int reg_offset; /* The offset of the first register from */
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48 /* GP_ARG_FIRST or FP_ARG_FIRST etc */
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49 unsigned int stack_words; /* The number of words that must be passed */
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50 /* on the stack */
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51 unsigned int stack_offset; /* The offset from the start of the stack */
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52 /* overflow area */
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53 };
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54
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55 #ifdef RTX_CODE
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56 struct score3_address_info
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57 {
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58 enum score3_address_type type;
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59 rtx reg;
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60 rtx offset;
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61 enum rtx_code code;
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62 enum score_symbol_type symbol_type;
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63 };
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64 #endif
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65
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66 #define SCORE3_SDATA_MAX score3_sdata_max
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67 #define SCORE3_STACK_ALIGN(LOC) (((LOC) + 3) & ~3)
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68 #define SCORE3_PROLOGUE_TEMP_REGNUM (GP_REG_FIRST + 8)
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69 #define SCORE3_EPILOGUE_TEMP_REGNUM (GP_REG_FIRST + 8)
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70 #define SCORE3_DEFAULT_SDATA_MAX 8
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71
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72 extern int score3_symbolic_constant_p (rtx x,
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73 enum score_symbol_type *symbol_type);
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74 extern bool score3_return_in_memory (tree type,
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75 tree fndecl ATTRIBUTE_UNUSED);
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76 extern void score3_output_mi_thunk (FILE *file,
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77 tree thunk_fndecl ATTRIBUTE_UNUSED,
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78 HOST_WIDE_INT delta,
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79 HOST_WIDE_INT vcall_offset,
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80 tree function);
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81 extern int score3_legitimize_address (rtx *xloc);
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82 extern void
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83 score3_function_prologue (FILE *file,
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84 HOST_WIDE_INT size ATTRIBUTE_UNUSED);
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85 extern void
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86 score3_function_epilogue (FILE *file,
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87 HOST_WIDE_INT size ATTRIBUTE_UNUSED);
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88 extern section *score3_select_rtx_section (enum machine_mode mode, rtx x,
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89 unsigned HOST_WIDE_INT align);
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90 extern bool score3_in_small_data_p (tree decl);
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91 extern void score3_asm_file_start (void);
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92 extern void score3_asm_file_end (void);
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93 extern void score3_override_options (void);
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94 extern int score3_reg_class (int regno);
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95 extern enum reg_class score3_preferred_reload_class (rtx x ATTRIBUTE_UNUSED,
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96 enum reg_class rclass);
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97 extern enum reg_class
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98 score3_secondary_reload_class (enum reg_class rclass,
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99 enum machine_mode mode ATTRIBUTE_UNUSED,
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100 rtx x);
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101 extern int score3_const_ok_for_letter_p (HOST_WIDE_INT value, char c);
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102 extern int score3_extra_constraint (rtx op, char c);
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103 extern int score3_hard_regno_mode_ok (unsigned int regno,
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104 enum machine_mode mode);
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105 extern HOST_WIDE_INT
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106 score3_initial_elimination_offset (int from,
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107 int to ATTRIBUTE_UNUSED);
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108 extern void score3_function_arg_advance (CUMULATIVE_ARGS *cum,
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109 enum machine_mode mode,
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110 tree type,
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111 int named);
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112 extern int score3_arg_partial_bytes (CUMULATIVE_ARGS *cum,
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113 enum machine_mode mode,
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114 tree type,
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115 bool named);
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116 extern rtx score3_function_arg (const CUMULATIVE_ARGS *cum,
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117 enum machine_mode mode,
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118 tree type,
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119 int named);
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120 extern rtx score3_function_value (tree valtype,
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121 tree func ATTRIBUTE_UNUSED,
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122 enum machine_mode mode);
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123 extern void score3_initialize_trampoline (rtx ADDR, rtx FUNC, rtx CHAIN);
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124 extern int score3_regno_mode_ok_for_base_p (int regno, int strict);
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125 extern int score3_address_p (enum machine_mode mode, rtx x, int strict);
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126 extern int score3_register_move_cost (enum machine_mode mode ATTRIBUTE_UNUSED,
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127 enum reg_class from,
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128 enum reg_class to);
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129 extern bool score3_rtx_costs (rtx x, int code, int outer_code, int *total, bool speed);
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130 extern int score3_address_cost (rtx addr);
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131 extern int score3_output_external (FILE *file ATTRIBUTE_UNUSED,
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132 tree decl,
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133 const char *name);
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134 extern rtx score3_return_addr (int count, rtx frame ATTRIBUTE_UNUSED);
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135 extern void score3_print_operand (FILE *file, rtx op, int c);
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136 extern void score3_print_operand_address (FILE *file, rtx x);
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137 extern enum machine_mode
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138 score3_select_cc_mode (enum rtx_code op, rtx x, rtx y);
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139 extern void score3_prologue (void);
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140 extern void score3_epilogue (int sibcall_p);
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141 extern void score3_gen_cmp (enum machine_mode mode);
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142 extern void score3_call (rtx *ops, bool sib);
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143 extern void score3_call_value (rtx *ops, bool sib);
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144 extern void score3_movsicc (rtx *ops);
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145 extern void score3_movdi (rtx *ops);
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146 extern void score3_zero_extract_andi (rtx *ops);
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147 extern const char * score3_select_add_imm (rtx *ops, bool set_cc);
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148 extern const char * score3_select (rtx *ops, const char *inst_pre, bool commu,
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149 const char *letter, bool set_cc);
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150 extern const char * score3_move (rtx *ops);
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151 extern const char * score3_limm (rtx *ops);
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152 extern const char *
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153 score3_linsn (rtx *ops, enum score_mem_unit unit, bool sign);
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154 extern const char *
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155 score3_sinsn (rtx *ops, enum score_mem_unit unit);
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156 extern const char * score3_output_casesi (rtx *operands);
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157 extern const char * score3_rpush (rtx *ops);
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158 extern const char * score3_rpop (rtx *ops);
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159 #endif
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