/* Prototypes for exported functions defined in avr.c      Copyright (C) 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.   Contributed by Denis Chertykov (denisc@overta.ru)   This file is part of GCC.   GCC is free software; you can redistribute it and/or modify   it under the terms of the GNU General Public License as published by   the Free Software Foundation; either version 2, or (at your option)   any later version.   GCC is distributed in the hope that it will be useful,   but WITHOUT ANY WARRANTY; without even the implied warranty of   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the   GNU General Public License for more details.   You should have received a copy of the GNU General Public License   along with GCC; see the file COPYING.  If not, write to   the Free Software Foundation, 51 Franklin Street, Fifth Floor,   Boston, MA 02110-1301, USA.  */extern int function_arg_regno_p (int r);extern void avr_init_once (void);extern void avr_override_options (void);extern void avr_optimization_options (int level, int size);extern char *avr_change_section (char *sect_name);extern int avr_ret_register (void);extern enum reg_class class_likely_spilled_p (int c);extern enum reg_class avr_regno_reg_class (int r);extern enum reg_class avr_reg_class_from_letter (int c);extern int frame_pointer_required_p (void);extern void asm_globalize_label (FILE *file, const char *name);extern void order_regs_for_local_alloc (void);extern int initial_elimination_offset (int from, int to);extern int avr_simple_epilogue (void);extern void progmem_section (void);extern int mask_one_bit_p (HOST_WIDE_INT mask);extern void gas_output_limited_string (FILE *file, const char *str);extern void gas_output_ascii (FILE *file, const char *str, size_t length);#ifdef TREE_CODEextern void asm_output_external (FILE *file, tree decl, char *name);extern int avr_progmem_p (tree decl, tree attributes);#ifdef RTX_CODE /* inside TREE_CODE */extern rtx avr_function_value (tree type, tree func);extern void init_cumulative_args (CUMULATIVE_ARGS *cum, tree fntype,				  rtx libname, tree fndecl);extern rtx function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode,			 tree type, int named);#endif /* RTX_CODE inside TREE_CODE */#ifdef HAVE_MACHINE_MODES /* inside TREE_CODE */extern void function_arg_advance (CUMULATIVE_ARGS *cum,				  enum machine_mode mode, tree type,				  int named);#endif /* HAVE_MACHINE_MODES inside TREE_CODE*/#endif /* TREE_CODE */#ifdef RTX_CODEextern void asm_output_external_libcall (FILE *file, rtx symref);extern int legitimate_address_p (enum machine_mode mode, rtx x,	int strict);extern int compare_diff_p (rtx insn);extern const char *output_movqi (rtx insn, rtx operands[], int *l);extern const char *output_movhi (rtx insn, rtx operands[], int *l);extern const char *out_movqi_r_mr (rtx insn, rtx op[], int *l);extern const char *out_movqi_mr_r (rtx insn, rtx op[], int *l);extern const char *out_movhi_r_mr (rtx insn, rtx op[], int *l);extern const char *out_movhi_mr_r (rtx insn, rtx op[], int *l);extern const char *out_movsi_r_mr (rtx insn, rtx op[], int *l);extern const char *out_movsi_mr_r (rtx insn, rtx op[], int *l);extern const char *output_movsisf (rtx insn, rtx operands[], int *l);extern const char *out_tstsi (rtx insn, int *l);extern const char *out_tsthi (rtx insn, int *l);extern const char *ret_cond_branch (rtx x, int len, int reverse);extern const char *ashlqi3_out (rtx insn, rtx operands[], int *len);extern const char *ashlhi3_out (rtx insn, rtx operands[], int *len);extern const char *ashlsi3_out (rtx insn, rtx operands[], int *len);extern const char *ashrqi3_out (rtx insn, rtx operands[], int *len);extern const char *ashrhi3_out (rtx insn, rtx operands[], int *len);extern const char *ashrsi3_out (rtx insn, rtx operands[], int *len);extern const char *lshrqi3_out (rtx insn, rtx operands[], int *len);extern const char *lshrhi3_out (rtx insn, rtx operands[], int *len);extern const char *lshrsi3_out (rtx insn, rtx operands[], int *len);extern void avr_output_bld (rtx operands[], int bit_nr);extern void avr_output_addr_vec_elt (FILE *stream, int value);extern const char *avr_out_sbxx_branch (rtx insn, rtx operands[]);extern enum reg_class preferred_reload_class (rtx x, enum reg_class class);extern int extra_constraint (rtx x, int c);extern rtx legitimize_address (rtx x, rtx oldx, enum machine_mode mode);extern int adjust_insn_length (rtx insn, int len);extern rtx avr_libcall_value (enum machine_mode mode);extern const char *output_reload_inhi (rtx insn, rtx *operands, int *len);extern const char *output_reload_insisf (rtx insn, rtx *operands, int *len);extern enum reg_class secondary_input_reload_class (enum reg_class,						    enum machine_mode,						    rtx);extern void notice_update_cc (rtx body, rtx insn);extern void print_operand (FILE *file, rtx x, int code);extern void print_operand_address (FILE *file, rtx addr);extern int reg_unused_after (rtx insn, rtx reg);extern int _reg_unused_after (rtx insn, rtx reg);extern int avr_jump_mode (rtx x, rtx insn);extern int byte_immediate_operand (rtx op, enum machine_mode mode);extern int test_hard_reg_class (enum reg_class class, rtx x);extern int jump_over_one_insn_p (rtx insn, rtx dest);extern int avr_hard_regno_mode_ok (int regno, enum machine_mode mode);extern int call_insn_operand (rtx op, enum machine_mode mode);extern void final_prescan_insn (rtx insn, rtx *operand, int num_operands);extern int avr_simplify_comparison_p (enum machine_mode mode,				      RTX_CODE operator, rtx x);extern RTX_CODE avr_normalize_condition (RTX_CODE condition);extern int compare_eq_p (rtx insn);extern void out_shift_with_cnt (const char *template, rtx insn,				rtx operands[], int *len, int t_len);extern int avr_io_address_p (rtx x, int size);extern int const_int_pow2_p (rtx x);extern int avr_peep2_scratch_safe (rtx reg_rtx);#endif /* RTX_CODE */#ifdef HAVE_MACHINE_MODESextern int class_max_nregs (enum reg_class class, enum machine_mode mode);#endif /* HAVE_MACHINE_MODES */#ifdef REAL_VALUE_TYPEextern void asm_output_float (FILE *file, REAL_VALUE_TYPE n);#endif