1 /* Prototypes for exported functions defined in avr.c 2 3 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006 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 2, 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 COPYING. If not, write to 21 the Free Software Foundation, 51 Franklin Street, Fifth Floor, 22 Boston, MA 02110-1301, USA. */ 23 24 25 extern int function_arg_regno_p (int r); 26 extern void avr_init_once (void); 27 extern void avr_override_options (void); 28 extern void avr_optimization_options (int level, int size); 29 extern char *avr_change_section (char *sect_name); 30 extern int avr_ret_register (void); 31 extern enum reg_class class_likely_spilled_p (int c); 32 extern enum reg_class avr_regno_reg_class (int r); 33 extern enum reg_class avr_reg_class_from_letter (int c); 34 extern int frame_pointer_required_p (void); 35 extern void asm_globalize_label (FILE *file, const char *name); 36 extern void order_regs_for_local_alloc (void); 37 extern int initial_elimination_offset (int from, int to); 38 extern int avr_simple_epilogue (void); 39 extern int mask_one_bit_p (HOST_WIDE_INT mask); 40 extern void gas_output_limited_string (FILE *file, const char *str); 41 extern void gas_output_ascii (FILE *file, const char *str, size_t length); 42 43 #ifdef TREE_CODE 44 extern void asm_output_external (FILE *file, tree decl, char *name); 45 extern int avr_progmem_p (tree decl, tree attributes); 46 47 #ifdef RTX_CODE /* inside TREE_CODE */ 48 extern rtx avr_function_value (tree type, tree func); 49 extern void init_cumulative_args (CUMULATIVE_ARGS *cum, tree fntype, 50 rtx libname, tree fndecl); 51 extern rtx function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, 52 tree type, int named); 53 #endif /* RTX_CODE inside TREE_CODE */ 54 55 #ifdef HAVE_MACHINE_MODES /* inside TREE_CODE */ 56 extern void function_arg_advance (CUMULATIVE_ARGS *cum, 57 enum machine_mode mode, tree type, 58 int named); 59 #endif /* HAVE_MACHINE_MODES inside TREE_CODE*/ 60 #endif /* TREE_CODE */ 61 62 #ifdef RTX_CODE 63 extern void asm_output_external_libcall (FILE *file, rtx symref); 64 extern int legitimate_address_p (enum machine_mode mode, rtx x, int strict); 65 extern int compare_diff_p (rtx insn); 66 extern const char *output_movqi (rtx insn, rtx operands[], int *l); 67 extern const char *output_movhi (rtx insn, rtx operands[], int *l); 68 extern const char *out_movqi_r_mr (rtx insn, rtx op[], int *l); 69 extern const char *out_movqi_mr_r (rtx insn, rtx op[], int *l); 70 extern const char *out_movhi_r_mr (rtx insn, rtx op[], int *l); 71 extern const char *out_movhi_mr_r (rtx insn, rtx op[], int *l); 72 extern const char *out_movsi_r_mr (rtx insn, rtx op[], int *l); 73 extern const char *out_movsi_mr_r (rtx insn, rtx op[], int *l); 74 extern const char *output_movsisf (rtx insn, rtx operands[], int *l); 75 extern const char *out_tstsi (rtx insn, int *l); 76 extern const char *out_tsthi (rtx insn, int *l); 77 extern const char *ret_cond_branch (rtx x, int len, int reverse); 78 79 extern const char *ashlqi3_out (rtx insn, rtx operands[], int *len); 80 extern const char *ashlhi3_out (rtx insn, rtx operands[], int *len); 81 extern const char *ashlsi3_out (rtx insn, rtx operands[], int *len); 82 83 extern const char *ashrqi3_out (rtx insn, rtx operands[], int *len); 84 extern const char *ashrhi3_out (rtx insn, rtx operands[], int *len); 85 extern const char *ashrsi3_out (rtx insn, rtx operands[], int *len); 86 87 extern const char *lshrqi3_out (rtx insn, rtx operands[], int *len); 88 extern const char *lshrhi3_out (rtx insn, rtx operands[], int *len); 89 extern const char *lshrsi3_out (rtx insn, rtx operands[], int *len); 90 91 extern void avr_output_bld (rtx operands[], int bit_nr); 92 extern void avr_output_addr_vec_elt (FILE *stream, int value); 93 extern const char *avr_out_sbxx_branch (rtx insn, rtx operands[]); 94 95 extern enum reg_class preferred_reload_class (rtx x, enum reg_class class); 96 extern int extra_constraint_Q (rtx x); 97 extern rtx legitimize_address (rtx x, rtx oldx, enum machine_mode mode); 98 extern int adjust_insn_length (rtx insn, int len); 99 extern rtx avr_libcall_value (enum machine_mode mode); 100 extern const char *output_reload_inhi (rtx insn, rtx *operands, int *len); 101 extern const char *output_reload_insisf (rtx insn, rtx *operands, int *len); 102 extern enum reg_class secondary_input_reload_class (enum reg_class, 103 enum machine_mode, 104 rtx); 105 extern void notice_update_cc (rtx body, rtx insn); 106 extern void print_operand (FILE *file, rtx x, int code); 107 extern void print_operand_address (FILE *file, rtx addr); 108 extern int reg_unused_after (rtx insn, rtx reg); 109 extern int _reg_unused_after (rtx insn, rtx reg); 110 extern int avr_jump_mode (rtx x, rtx insn); 111 extern int byte_immediate_operand (rtx op, enum machine_mode mode); 112 extern int test_hard_reg_class (enum reg_class class, rtx x); 113 extern int jump_over_one_insn_p (rtx insn, rtx dest); 114 115 extern int avr_hard_regno_mode_ok (int regno, enum machine_mode mode); 116 extern int call_insn_operand (rtx op, enum machine_mode mode); 117 extern void final_prescan_insn (rtx insn, rtx *operand, int num_operands); 118 extern int avr_simplify_comparison_p (enum machine_mode mode, 119 RTX_CODE operator, rtx x); 120 extern RTX_CODE avr_normalize_condition (RTX_CODE condition); 121 extern int compare_eq_p (rtx insn); 122 extern void out_shift_with_cnt (const char *template, rtx insn, 123 rtx operands[], int *len, int t_len); 124 extern int avr_io_address_p (rtx x, int size); 125 extern int const_int_pow2_p (rtx x); 126 extern int avr_peep2_scratch_safe (rtx reg_rtx); 127 #endif /* RTX_CODE */ 128 129 #ifdef HAVE_MACHINE_MODES 130 extern int class_max_nregs (enum reg_class class, enum machine_mode mode); 131 #endif /* HAVE_MACHINE_MODES */ 132 133 #ifdef REAL_VALUE_TYPE 134 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n); 135 #endif 136