gcc/config/avr/avr-protos.h

   1 /* Prototypes for exported functions defined in avr.c
   2
   3    Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008
   4    Free Software Foundation, Inc.
   5    Contributed by Denis Chertykov (denisc@overta.ru)
   6
   7    This file is part of GCC.
   8
   9    GCC is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 3, or (at your option)
  12    any later version.
  13
  14    GCC is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GCC; see the file COPYING3.  If not see
  21    <http://www.gnu.org/licenses/>.  */
  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 void gas_output_limited_string (FILE *file, const char *str);
  39 extern void gas_output_ascii (FILE *file, const char *str, size_t length);
  40 extern int avr_hard_regno_rename_ok (unsigned int, unsigned int);
  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 void init_cumulative_args (CUMULATIVE_ARGS *cum, tree fntype,
  48                                   rtx libname, tree fndecl);
  49 extern rtx function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode,
  50                          tree type, int named);
  51 #endif /* RTX_CODE inside TREE_CODE */
  52
  53 #ifdef HAVE_MACHINE_MODES /* inside TREE_CODE */
  54 extern void function_arg_advance (CUMULATIVE_ARGS *cum,
  55                                   enum machine_mode mode, tree type,
  56                                   int named);
  57 #endif /* HAVE_MACHINE_MODES inside TREE_CODE*/
  58 #endif /* TREE_CODE */
  59
  60 #ifdef RTX_CODE
  61 extern void asm_output_external_libcall (FILE *file, rtx symref);
  62 extern int legitimate_address_p (enum machine_mode mode, rtx x, int strict);
  63 extern int compare_diff_p (rtx insn);
  64 extern const char *output_movqi (rtx insn, rtx operands[], int *l);
  65 extern const char *output_movhi (rtx insn, rtx operands[], int *l);
  66 extern const char *out_movqi_r_mr (rtx insn, rtx op[], int *l);
  67 extern const char *out_movqi_mr_r (rtx insn, rtx op[], int *l);
  68 extern const char *out_movhi_r_mr (rtx insn, rtx op[], int *l);
  69 extern const char *out_movhi_mr_r (rtx insn, rtx op[], int *l);
  70 extern const char *out_movsi_r_mr (rtx insn, rtx op[], int *l);
  71 extern const char *out_movsi_mr_r (rtx insn, rtx op[], int *l);
  72 extern const char *output_movsisf (rtx insn, rtx operands[], int *l);
  73 extern const char *out_tstsi (rtx insn, int *l);
  74 extern const char *out_tsthi (rtx insn, int *l);
  75 extern const char *ret_cond_branch (rtx x, int len, int reverse);
  76
  77 extern const char *ashlqi3_out (rtx insn, rtx operands[], int *len);
  78 extern const char *ashlhi3_out (rtx insn, rtx operands[], int *len);
  79 extern const char *ashlsi3_out (rtx insn, rtx operands[], int *len);
  80
  81 extern const char *ashrqi3_out (rtx insn, rtx operands[], int *len);
  82 extern const char *ashrhi3_out (rtx insn, rtx operands[], int *len);
  83 extern const char *ashrsi3_out (rtx insn, rtx operands[], int *len);
  84
  85 extern const char *lshrqi3_out (rtx insn, rtx operands[], int *len);
  86 extern const char *lshrhi3_out (rtx insn, rtx operands[], int *len);
  87 extern const char *lshrsi3_out (rtx insn, rtx operands[], int *len);
  88
  89 extern void expand_prologue (void);
  90 extern void expand_epilogue (void);
  91 extern int avr_epilogue_uses (int regno);
  92
  93 extern void avr_output_bld (rtx operands[], int bit_nr);
  94 extern void avr_output_addr_vec_elt (FILE *stream, int value);
  95 extern const char *avr_out_sbxx_branch (rtx insn, rtx operands[]);
  96
  97 extern enum reg_class preferred_reload_class (rtx x, enum reg_class rclass);
  98 extern int extra_constraint_Q (rtx x);
  99 extern rtx legitimize_address (rtx x, rtx oldx, enum machine_mode mode);
 100 extern int adjust_insn_length (rtx insn, int len);
 101 extern rtx avr_libcall_value (enum machine_mode mode);
 102 extern const char *output_reload_inhi (rtx insn, rtx *operands, int *len);
 103 extern const char *output_reload_insisf (rtx insn, rtx *operands, int *len);
 104 extern enum reg_class secondary_input_reload_class (enum reg_class,
 105                                                     enum machine_mode,
 106                                                     rtx);
 107 extern void notice_update_cc (rtx body, rtx insn);
 108 extern void print_operand (FILE *file, rtx x, int code);
 109 extern void print_operand_address (FILE *file, rtx addr);
 110 extern int reg_unused_after (rtx insn, rtx reg);
 111 extern int _reg_unused_after (rtx insn, rtx reg);
 112 extern int avr_jump_mode (rtx x, rtx insn);
 113 extern int byte_immediate_operand (rtx op, enum machine_mode mode);
 114 extern int test_hard_reg_class (enum reg_class rclass, rtx x);
 115 extern int jump_over_one_insn_p (rtx insn, rtx dest);
 116
 117 extern int avr_hard_regno_mode_ok (int regno, enum machine_mode mode);
 118 extern void final_prescan_insn (rtx insn, rtx *operand, int num_operands);
 119 extern int avr_simplify_comparison_p (enum machine_mode mode,
 120                                       RTX_CODE op, rtx x);
 121 extern RTX_CODE avr_normalize_condition (RTX_CODE condition);
 122 extern int compare_eq_p (rtx insn);
 123 extern void out_shift_with_cnt (const char *templ, rtx insn,
 124                                 rtx operands[], int *len, int t_len);
 125 #endif /* RTX_CODE */
 126
 127 #ifdef HAVE_MACHINE_MODES
 128 extern int class_max_nregs (enum reg_class rclass, enum machine_mode mode);
 129 #endif /* HAVE_MACHINE_MODES */
 130
 131 #ifdef REAL_VALUE_TYPE
 132 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n);
 133 #endif