gnu/dist/gcc4/gcc/config/c4x/c4x-protos.h

   1 /* Definitions of target machine for GNU compiler.  TMS320C[34]x
   2    Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2003, 2004, 2005
   3    Free Software Foundation, Inc.
   4
   5    Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz)
   6               and Herman Ten Brugge (Haj.Ten.Brugge@net.HCC.nl).
   7
   8    This file is part of GCC.
   9
  10    GCC is free software; you can redistribute it and/or modify
  11    it under the terms of the GNU General Public License as published by
  12    the Free Software Foundation; either version 2, or (at your option)
  13    any later version.
  14
  15    GCC is distributed in the hope that it will be useful,
  16    but WITHOUT ANY WARRANTY; without even the implied warranty of
  17    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18    GNU General Public License for more details.
  19
  20    You should have received a copy of the GNU General Public License
  21    along with GCC; see the file COPYING.  If not, write to
  22    the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  23    Boston, MA 02110-1301, USA.  */
  24
  25 #ifndef GCC_C4X_PROTOS_H
  26 #define GCC_C4X_PROTOS_H
  27
  28 extern void c4x_override_options (void);
  29
  30 extern void c4x_optimization_options (int, int);
  31
  32 extern void c4x_output_ascii (FILE *, const char *, int);
  33
  34 extern int c4x_interrupt_function_p (void);
  35
  36 extern void c4x_expand_prologue (void);
  37
  38 extern void c4x_expand_epilogue (void);
  39
  40 extern int c4x_null_epilogue_p (void);
  41
  42 extern void c4x_global_label (const char *);
  43
  44 extern void c4x_external_ref (const char *);
  45
  46 #ifdef TREE_CODE
  47 extern void c4x_function_arg_advance (CUMULATIVE_ARGS *,
  48                                       enum machine_mode, tree, int);
  49
  50 extern struct rtx_def *c4x_function_arg (CUMULATIVE_ARGS *,
  51                                          enum machine_mode, tree, int);
  52
  53 #endif /* TREE_CODE */
  54
  55
  56 #if defined(RTX_CODE) && defined(TREE_CODE)
  57 extern void c4x_init_cumulative_args (CUMULATIVE_ARGS *c, tree, rtx);
  58
  59 extern rtx c4x_expand_builtin (tree, rtx, rtx, enum machine_mode, int);
  60
  61 extern void c4x_init_builtins (void);
  62
  63 #endif /* TREE_CODE and RTX_CODE*/
  64
  65
  66 #ifdef RTX_CODE
  67 extern struct rtx_def *c4x_gen_compare_reg (enum rtx_code, rtx, rtx);
  68
  69 extern int c4x_legitimate_address_p (enum machine_mode, rtx, int);
  70
  71 extern int c4x_hard_regno_mode_ok (unsigned int, enum machine_mode);
  72
  73 extern int c4x_hard_regno_rename_ok (unsigned int, unsigned int);
  74
  75 extern struct rtx_def *c4x_legitimize_address (rtx, enum machine_mode);
  76
  77 extern void c4x_print_operand (FILE *, rtx, int);
  78
  79 extern void c4x_print_operand_address (FILE *, rtx);
  80
  81 extern enum reg_class c4x_preferred_reload_class (rtx, enum reg_class);
  82
  83 extern struct rtx_def *c4x_operand_subword (rtx, int, int, enum machine_mode);
  84
  85 extern char *c4x_output_cbranch (const char *, rtx);
  86
  87 extern int c4x_label_conflict (rtx, rtx, rtx);
  88
  89 extern int c4x_address_conflict (rtx, rtx, int, int);
  90
  91 extern void c4x_rptb_insert (rtx insn);
  92
  93 extern int c4x_rptb_nop_p (rtx);
  94
  95 extern int c4x_rptb_rpts_p (rtx, rtx);
  96
  97 extern int c4x_check_laj_p (rtx);
  98
  99 extern int c4x_autoinc_operand (rtx, enum machine_mode);
 100
 101 extern int reg_or_const_operand (rtx, enum machine_mode);
 102
 103 extern int mixed_subreg_operand (rtx, enum machine_mode);
 104
 105 extern int reg_imm_operand (rtx, enum machine_mode);
 106
 107 extern int ar0_reg_operand (rtx, enum machine_mode);
 108
 109 extern int ar0_mem_operand (rtx, enum machine_mode);
 110
 111 extern int ar1_reg_operand (rtx, enum machine_mode);
 112
 113 extern int ar1_mem_operand (rtx, enum machine_mode);
 114
 115 extern int ar2_reg_operand (rtx, enum machine_mode);
 116
 117 extern int ar2_mem_operand (rtx, enum machine_mode);
 118
 119 extern int ar3_reg_operand (rtx, enum machine_mode);
 120
 121 extern int ar3_mem_operand (rtx, enum machine_mode);
 122
 123 extern int ar4_reg_operand (rtx, enum machine_mode);
 124
 125 extern int ar4_mem_operand (rtx, enum machine_mode);
 126
 127 extern int ar5_reg_operand (rtx, enum machine_mode);
 128
 129 extern int ar5_mem_operand (rtx, enum machine_mode);
 130
 131 extern int ar6_reg_operand (rtx, enum machine_mode);
 132
 133 extern int ar6_mem_operand (rtx, enum machine_mode);
 134
 135 extern int ar7_reg_operand (rtx, enum machine_mode);
 136
 137 extern int ar7_mem_operand (rtx, enum machine_mode);
 138
 139 extern int ir0_reg_operand (rtx, enum machine_mode);
 140
 141 extern int ir0_mem_operand (rtx, enum machine_mode);
 142
 143 extern int ir1_reg_operand (rtx, enum machine_mode);
 144
 145 extern int ir1_mem_operand (rtx, enum machine_mode);
 146
 147 extern int group1_reg_operand (rtx, enum machine_mode);
 148
 149 extern int group1_mem_operand (rtx, enum machine_mode);
 150
 151 extern int arx_reg_operand (rtx, enum machine_mode);
 152
 153 extern int not_rc_reg (rtx, enum machine_mode);
 154
 155 extern int not_modify_reg (rtx, enum machine_mode);
 156
 157 extern int c4x_shiftable_constant (rtx);
 158
 159 extern int c4x_immed_float_p (rtx);
 160
 161 extern int c4x_a_register (rtx);
 162
 163 extern int c4x_x_register (rtx);
 164
 165 extern int c4x_H_constant (rtx);
 166
 167 extern int c4x_I_constant (rtx);
 168
 169 extern int c4x_J_constant (rtx);
 170
 171 extern int c4x_K_constant (rtx);
 172
 173 extern int c4x_L_constant (rtx);
 174
 175 extern int c4x_N_constant (rtx);
 176
 177 extern int c4x_O_constant (rtx);
 178
 179 extern int c4x_Q_constraint (rtx);
 180
 181 extern int c4x_R_constraint (rtx);
 182
 183 extern int c4x_S_indirect (rtx);
 184
 185 extern int c4x_S_constraint (rtx);
 186
 187 extern int c4x_T_constraint (rtx);
 188
 189 extern int c4x_U_constraint (rtx);
 190
 191 extern void c4x_emit_libcall (rtx, enum rtx_code, enum machine_mode,
 192                               enum machine_mode, int, rtx *);
 193
 194 extern void c4x_emit_libcall3 (rtx, enum rtx_code, enum machine_mode, rtx *);
 195
 196 extern void c4x_emit_libcall_mulhi (rtx, enum rtx_code,
 197                                     enum machine_mode, rtx *);
 198
 199 extern int c4x_emit_move_sequence (rtx *, enum machine_mode);
 200
 201 extern int legitimize_operands (enum rtx_code, rtx *, enum machine_mode);
 202
 203 extern int valid_operands (enum rtx_code, rtx *, enum machine_mode);
 204
 205 extern int valid_parallel_load_store (rtx *, enum machine_mode);
 206
 207 extern int valid_parallel_operands_4 (rtx *, enum machine_mode);
 208
 209 extern int valid_parallel_operands_5 (rtx *, enum machine_mode);
 210
 211 extern int valid_parallel_operands_6 (rtx *, enum machine_mode);
 212
 213 extern GTY(()) rtx smulhi3_libfunc;
 214 extern GTY(()) rtx umulhi3_libfunc;
 215 extern GTY(()) rtx fix_truncqfhi2_libfunc;
 216 extern GTY(()) rtx fixuns_truncqfhi2_libfunc;
 217 extern GTY(()) rtx fix_trunchfhi2_libfunc;
 218 extern GTY(()) rtx fixuns_trunchfhi2_libfunc;
 219 extern GTY(()) rtx floathiqf2_libfunc;
 220 extern GTY(()) rtx floatunshiqf2_libfunc;
 221 extern GTY(()) rtx floathihf2_libfunc;
 222 extern GTY(()) rtx floatunshihf2_libfunc;
 223
 224 extern GTY(()) rtx c4x_compare_op0;     /* Operand 0 for comparisons.  */
 225 extern GTY(()) rtx c4x_compare_op1;     /* Operand 1 for comparisons.  */
 226
 227 #endif /* RTX_CODE */
 228
 229 /* Smallest class containing REGNO.  */
 230 extern enum reg_class c4x_regclass_map[FIRST_PSEUDO_REGISTER];
 231 extern enum machine_mode c4x_caller_save_map[FIRST_PSEUDO_REGISTER];
 232
 233 extern void c4x_pr_CODE_SECTION (struct cpp_reader *);
 234 extern void c4x_pr_DATA_SECTION (struct cpp_reader *);
 235 extern void c4x_pr_FUNC_IS_PURE (struct cpp_reader *);
 236 extern void c4x_pr_FUNC_NEVER_RETURNS (struct cpp_reader *);
 237 extern void c4x_pr_INTERRUPT (struct cpp_reader *);
 238 extern void c4x_pr_ignored (struct cpp_reader *);
 239 extern void c4x_init_pragma (int (*) (tree *));
 240
 241 extern GTY(()) tree code_tree;
 242 extern GTY(()) tree data_tree;
 243 extern GTY(()) tree pure_tree;
 244 extern GTY(()) tree noreturn_tree;
 245 extern GTY(()) tree interrupt_tree;
 246
 247 #endif /* ! GCC_C4X_PROTOS_H */