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 28extern void c4x_override_options (void); 29 30extern void c4x_optimization_options (int, int); 31 32extern void c4x_output_ascii (FILE *, const char *, int); 33 34extern int c4x_interrupt_function_p (void); 35 36extern void c4x_expand_prologue (void); 37 38extern void c4x_expand_epilogue (void); 39 40extern int c4x_null_epilogue_p (void); 41 42extern void c4x_global_label (const char *); 43 44extern void c4x_external_ref (const char *); 45 46#ifdef TREE_CODE 47extern void c4x_function_arg_advance (CUMULATIVE_ARGS *, 48 enum machine_mode, tree, int); 49 50extern 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) 57extern void c4x_init_cumulative_args (CUMULATIVE_ARGS *c, tree, rtx); 58 59extern rtx c4x_expand_builtin (tree, rtx, rtx, enum machine_mode, int); 60 61extern void c4x_init_builtins (void); 62 63#endif /* TREE_CODE and RTX_CODE*/ 64 65 66#ifdef RTX_CODE 67extern struct rtx_def *c4x_gen_compare_reg (enum rtx_code, rtx, rtx); 68 69extern int c4x_legitimate_address_p (enum machine_mode, rtx, int); 70 71extern int c4x_hard_regno_mode_ok (unsigned int, enum machine_mode); 72 73extern int c4x_hard_regno_rename_ok (unsigned int, unsigned int); 74 75extern struct rtx_def *c4x_legitimize_address (rtx, enum machine_mode); 76 77extern void c4x_print_operand (FILE *, rtx, int); 78 79extern void c4x_print_operand_address (FILE *, rtx); 80 81extern enum reg_class c4x_preferred_reload_class (rtx, enum reg_class); 82 83extern struct rtx_def *c4x_operand_subword (rtx, int, int, enum machine_mode); 84 85extern char *c4x_output_cbranch (const char *, rtx); 86 87extern int c4x_label_conflict (rtx, rtx, rtx); 88 89extern int c4x_address_conflict (rtx, rtx, int, int); 90 91extern void c4x_rptb_insert (rtx insn); 92 93extern int c4x_rptb_nop_p (rtx); 94 95extern int c4x_rptb_rpts_p (rtx, rtx); 96 97extern int c4x_check_laj_p (rtx); 98 99extern int c4x_autoinc_operand (rtx, enum machine_mode); 100 101extern int reg_or_const_operand (rtx, enum machine_mode); 102 103extern int mixed_subreg_operand (rtx, enum machine_mode); 104 105extern int reg_imm_operand (rtx, enum machine_mode); 106 107extern int ar0_reg_operand (rtx, enum machine_mode); 108 109extern int ar0_mem_operand (rtx, enum machine_mode); 110 111extern int ar1_reg_operand (rtx, enum machine_mode); 112 113extern int ar1_mem_operand (rtx, enum machine_mode); 114 115extern int ar2_reg_operand (rtx, enum machine_mode); 116 117extern int ar2_mem_operand (rtx, enum machine_mode); 118 119extern int ar3_reg_operand (rtx, enum machine_mode); 120 121extern int ar3_mem_operand (rtx, enum machine_mode); 122 123extern int ar4_reg_operand (rtx, enum machine_mode); 124 125extern int ar4_mem_operand (rtx, enum machine_mode); 126 127extern int ar5_reg_operand (rtx, enum machine_mode); 128 129extern int ar5_mem_operand (rtx, enum machine_mode); 130 131extern int ar6_reg_operand (rtx, enum machine_mode); 132 133extern int ar6_mem_operand (rtx, enum machine_mode); 134 135extern int ar7_reg_operand (rtx, enum machine_mode); 136 137extern int ar7_mem_operand (rtx, enum machine_mode); 138 139extern int ir0_reg_operand (rtx, enum machine_mode); 140 141extern int ir0_mem_operand (rtx, enum machine_mode); 142 143extern int ir1_reg_operand (rtx, enum machine_mode); 144 145extern int ir1_mem_operand (rtx, enum machine_mode); 146 147extern int group1_reg_operand (rtx, enum machine_mode); 148 149extern int group1_mem_operand (rtx, enum machine_mode); 150 151extern int arx_reg_operand (rtx, enum machine_mode); 152 153extern int not_rc_reg (rtx, enum machine_mode); 154 155extern int not_modify_reg (rtx, enum machine_mode); 156 157extern int c4x_shiftable_constant (rtx); 158 159extern int c4x_immed_float_p (rtx); 160 161extern int c4x_a_register (rtx); 162 163extern int c4x_x_register (rtx); 164 165extern int c4x_H_constant (rtx); 166 167extern int c4x_I_constant (rtx); 168 169extern int c4x_J_constant (rtx); 170 171extern int c4x_K_constant (rtx); 172 173extern int c4x_L_constant (rtx); 174 175extern int c4x_N_constant (rtx); 176 177extern int c4x_O_constant (rtx); 178 179extern int c4x_Q_constraint (rtx); 180 181extern int c4x_R_constraint (rtx); 182 183extern int c4x_S_indirect (rtx); 184 185extern int c4x_S_constraint (rtx); 186 187extern int c4x_T_constraint (rtx); 188 189extern int c4x_U_constraint (rtx); 190 191extern void c4x_emit_libcall (rtx, enum rtx_code, enum machine_mode, 192 enum machine_mode, int, rtx *); 193 194extern void c4x_emit_libcall3 (rtx, enum rtx_code, enum machine_mode, rtx *); 195 196extern void c4x_emit_libcall_mulhi (rtx, enum rtx_code, 197 enum machine_mode, rtx *); 198 199extern int c4x_emit_move_sequence (rtx *, enum machine_mode); 200 201extern int legitimize_operands (enum rtx_code, rtx *, enum machine_mode); 202 203extern int valid_operands (enum rtx_code, rtx *, enum machine_mode); 204 205extern int valid_parallel_load_store (rtx *, enum machine_mode); 206 207extern int valid_parallel_operands_4 (rtx *, enum machine_mode); 208 209extern int valid_parallel_operands_5 (rtx *, enum machine_mode); 210 211extern int valid_parallel_operands_6 (rtx *, enum machine_mode); 212 213extern GTY(()) rtx smulhi3_libfunc; 214extern GTY(()) rtx umulhi3_libfunc; 215extern GTY(()) rtx fix_truncqfhi2_libfunc; 216extern GTY(()) rtx fixuns_truncqfhi2_libfunc; 217extern GTY(()) rtx fix_trunchfhi2_libfunc; 218extern GTY(()) rtx fixuns_trunchfhi2_libfunc; 219extern GTY(()) rtx floathiqf2_libfunc; 220extern GTY(()) rtx floatunshiqf2_libfunc; 221extern GTY(()) rtx floathihf2_libfunc; 222extern GTY(()) rtx floatunshihf2_libfunc; 223 224extern GTY(()) rtx c4x_compare_op0; /* Operand 0 for comparisons. */ 225extern GTY(()) rtx c4x_compare_op1; /* Operand 1 for comparisons. */ 226 227#endif /* RTX_CODE */ 228 229/* Smallest class containing REGNO. */ 230extern enum reg_class c4x_regclass_map[FIRST_PSEUDO_REGISTER]; 231extern enum machine_mode c4x_caller_save_map[FIRST_PSEUDO_REGISTER]; 232 233extern void c4x_pr_CODE_SECTION (struct cpp_reader *); 234extern void c4x_pr_DATA_SECTION (struct cpp_reader *); 235extern void c4x_pr_FUNC_IS_PURE (struct cpp_reader *); 236extern void c4x_pr_FUNC_NEVER_RETURNS (struct cpp_reader *); 237extern void c4x_pr_INTERRUPT (struct cpp_reader *); 238extern void c4x_pr_ignored (struct cpp_reader *); 239extern void c4x_init_pragma (int (*) (tree *)); 240 241extern GTY(()) tree code_tree; 242extern GTY(()) tree data_tree; 243extern GTY(()) tree pure_tree; 244extern GTY(()) tree noreturn_tree; 245extern GTY(()) tree interrupt_tree; 246 247#endif /* ! GCC_C4X_PROTOS_H */ 248