gcc/config/avr/avr-protos.h

   1 /* Prototypes for exported functions defined in avr.c
   2
   3    Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
   4    Contributed by Denis Chertykov (denisc@overta.ru)
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2, or (at your option)
  11    any later version.
  12
  13    GCC is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING.  If not, write to
  20    the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  21    Boston, MA 02110-1301, USA.  */
  22
  23
  24 extern int function_arg_regno_p (int r);
  25 extern void avr_init_once (void);
  26 extern void avr_override_options (void);
  27 extern void avr_optimization_options (int level, int size);
  28 extern char *avr_change_section (char *sect_name);
  29 extern int avr_ret_register (void);
  30 extern enum reg_class class_likely_spilled_p (int c);
  31 extern enum reg_class avr_regno_reg_class (int r);
  32 extern enum reg_class avr_reg_class_from_letter (int c);
  33 extern int frame_pointer_required_p (void);
  34 extern void asm_globalize_label (FILE *file, const char *name);
  35 extern void order_regs_for_local_alloc (void);
  36 extern int initial_elimination_offset (int from, int to);
  37 extern int avr_simple_epilogue (void);
  38 extern int mask_one_bit_p (HOST_WIDE_INT mask);
  39 extern void gas_output_limited_string (FILE *file, const char *str);
  40 extern void gas_output_ascii (FILE *file, const char *str, size_t length);
  41
  42 #ifdef TREE_CODE
  43 extern void asm_output_external (FILE *file, tree decl, char *name);
  44 extern int avr_progmem_p (tree decl, tree attributes);
  45
  46 #ifdef RTX_CODE /* inside TREE_CODE */
  47 extern rtx avr_function_value (tree type, tree func);
  48 extern void init_cumulative_args (CUMULATIVE_ARGS *cum, tree fntype,
  49                                   rtx libname, tree fndecl);
  50 extern rtx function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode,
  51                          tree type, int named);
  52 #endif /* RTX_CODE inside TREE_CODE */
  53
  54 #ifdef HAVE_MACHINE_MODES /* inside TREE_CODE */
  55 extern void function_arg_advance (CUMULATIVE_ARGS *cum,
  56                                   enum machine_mode mode, tree type,
  57                                   int named);
  58 #endif /* HAVE_MACHINE_MODES inside TREE_CODE*/
  59 #endif /* TREE_CODE */
  60
  61 #ifdef RTX_CODE
  62 extern void asm_output_external_libcall (FILE *file, rtx symref);
  63 extern int legitimate_address_p (enum machine_mode mode, rtx x, int strict);
  64 extern int compare_diff_p (rtx insn);
  65 extern const char *output_movqi (rtx insn, rtx operands[], int *l);
  66 extern const char *output_movhi (rtx insn, rtx operands[], int *l);
  67 extern const char *out_movqi_r_mr (rtx insn, rtx op[], int *l);
  68 extern const char *out_movqi_mr_r (rtx insn, rtx op[], int *l);
  69 extern const char *out_movhi_r_mr (rtx insn, rtx op[], int *l);
  70 extern const char *out_movhi_mr_r (rtx insn, rtx op[], int *l);
  71 extern const char *out_movsi_r_mr (rtx insn, rtx op[], int *l);
  72 extern const char *out_movsi_mr_r (rtx insn, rtx op[], int *l);
  73 extern const char *output_movsisf (rtx insn, rtx operands[], int *l);
  74 extern const char *out_tstsi (rtx insn, int *l);
  75 extern const char *out_tsthi (rtx insn, int *l);
  76 extern const char *ret_cond_branch (rtx x, int len, int reverse);
  77
  78 extern const char *ashlqi3_out (rtx insn, rtx operands[], int *len);
  79 extern const char *ashlhi3_out (rtx insn, rtx operands[], int *len);
  80 extern const char *ashlsi3_out (rtx insn, rtx operands[], int *len);
  81
  82 extern const char *ashrqi3_out (rtx insn, rtx operands[], int *len);
  83 extern const char *ashrhi3_out (rtx insn, rtx operands[], int *len);
  84 extern const char *ashrsi3_out (rtx insn, rtx operands[], int *len);
  85
  86 extern const char *lshrqi3_out (rtx insn, rtx operands[], int *len);
  87 extern const char *lshrhi3_out (rtx insn, rtx operands[], int *len);
  88 extern const char *lshrsi3_out (rtx insn, rtx operands[], int *len);
  89
  90 extern void avr_output_bld (rtx operands[], int bit_nr);
  91 extern void avr_output_addr_vec_elt (FILE *stream, int value);
  92 extern const char *avr_out_sbxx_branch (rtx insn, rtx operands[]);
  93
  94 extern enum reg_class preferred_reload_class (rtx x, enum reg_class class);
  95 extern int extra_constraint (rtx x, int c);
  96 extern rtx legitimize_address (rtx x, rtx oldx, enum machine_mode mode);
  97 extern int adjust_insn_length (rtx insn, int len);
  98 extern rtx avr_libcall_value (enum machine_mode mode);
  99 extern const char *output_reload_inhi (rtx insn, rtx *operands, int *len);
 100 extern const char *output_reload_insisf (rtx insn, rtx *operands, int *len);
 101 extern enum reg_class secondary_input_reload_class (enum reg_class,
 102                                                     enum machine_mode,
 103                                                     rtx);
 104 extern void notice_update_cc (rtx body, rtx insn);
 105 extern void print_operand (FILE *file, rtx x, int code);
 106 extern void print_operand_address (FILE *file, rtx addr);
 107 extern int reg_unused_after (rtx insn, rtx reg);
 108 extern int _reg_unused_after (rtx insn, rtx reg);
 109 extern int avr_jump_mode (rtx x, rtx insn);
 110 extern int byte_immediate_operand (rtx op, enum machine_mode mode);
 111 extern int test_hard_reg_class (enum reg_class class, rtx x);
 112 extern int jump_over_one_insn_p (rtx insn, rtx dest);
 113
 114 extern int avr_hard_regno_mode_ok (int regno, enum machine_mode mode);
 115 extern int call_insn_operand (rtx op, enum machine_mode mode);
 116 extern void final_prescan_insn (rtx insn, rtx *operand, int num_operands);
 117 extern int avr_simplify_comparison_p (enum machine_mode mode,
 118                                       RTX_CODE operator, rtx x);
 119 extern RTX_CODE avr_normalize_condition (RTX_CODE condition);
 120 extern int compare_eq_p (rtx insn);
 121 extern void out_shift_with_cnt (const char *template, rtx insn,
 122                                 rtx operands[], int *len, int t_len);
 123 extern int avr_io_address_p (rtx x, int size);
 124 extern int const_int_pow2_p (rtx x);
 125 extern int avr_peep2_scratch_safe (rtx reg_rtx);
 126 #endif /* RTX_CODE */
 127
 128 #ifdef HAVE_MACHINE_MODES
 129 extern int class_max_nregs (enum reg_class class, enum machine_mode mode);
 130 #endif /* HAVE_MACHINE_MODES */
 131
 132 #ifdef REAL_VALUE_TYPE
 133 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n);
 134 #endif