1 /* Prototypes for exported functions defined in avr.c 2 3 Copyright (C) 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2008, 2009, 2010 4 Free Software Foundation, Inc. 5 Contributed by Denis Chertykov (chertykov@gmail.com) 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_override_options (void); 26 extern void avr_cpu_cpp_builtins (struct cpp_reader * pfile); 27 extern int avr_ret_register (void); 28 extern bool class_likely_spilled_p (int c); 29 extern enum reg_class avr_regno_reg_class (int r); 30 extern void asm_globalize_label (FILE *file, const char *name); 31 extern void avr_asm_declare_function_name (FILE *, const char *, tree); 32 extern void order_regs_for_local_alloc (void); 33 extern int avr_initial_elimination_offset (int from, int to); 34 extern int avr_simple_epilogue (void); 35 extern void gas_output_limited_string (FILE *file, const char *str); 36 extern void gas_output_ascii (FILE *file, const char *str, size_t length); 37 extern int avr_hard_regno_rename_ok (unsigned int, unsigned int); 38 extern rtx avr_return_addr_rtx (int count, const_rtx tem); 39 40 #ifdef TREE_CODE 41 extern void asm_output_external (FILE *file, tree decl, char *name); 42 extern int avr_progmem_p (tree decl, tree attributes); 43 44 #ifdef RTX_CODE /* inside TREE_CODE */ 45 extern void init_cumulative_args (CUMULATIVE_ARGS *cum, tree fntype, 46 rtx libname, tree fndecl); 47 extern rtx function_arg (CUMULATIVE_ARGS *cum, enum machine_mode mode, 48 tree type, int named); 49 #endif /* RTX_CODE inside TREE_CODE */ 50 51 #ifdef HAVE_MACHINE_MODES /* inside TREE_CODE */ 52 extern void function_arg_advance (CUMULATIVE_ARGS *cum, 53 enum machine_mode mode, tree type, 54 int named); 55 #endif /* HAVE_MACHINE_MODES inside TREE_CODE*/ 56 #endif /* TREE_CODE */ 57 58 #ifdef RTX_CODE 59 extern void asm_output_external_libcall (FILE *file, rtx symref); 60 extern int compare_diff_p (rtx insn); 61 extern const char *output_movqi (rtx insn, rtx operands[], int *l); 62 extern const char *output_movhi (rtx insn, rtx operands[], int *l); 63 extern const char *out_movqi_r_mr (rtx insn, rtx op[], int *l); 64 extern const char *out_movqi_mr_r (rtx insn, rtx op[], int *l); 65 extern const char *out_movhi_r_mr (rtx insn, rtx op[], int *l); 66 extern const char *out_movhi_mr_r (rtx insn, rtx op[], int *l); 67 extern const char *out_movsi_r_mr (rtx insn, rtx op[], int *l); 68 extern const char *out_movsi_mr_r (rtx insn, rtx op[], int *l); 69 extern const char *output_movsisf (rtx insn, rtx operands[], int *l); 70 extern const char *out_tstsi (rtx insn, rtx src, int *l); 71 extern const char *out_tsthi (rtx insn, rtx src, int *l); 72 extern const char *ret_cond_branch (rtx x, int len, int reverse); 73 74 extern const char *ashlqi3_out (rtx insn, rtx operands[], int *len); 75 extern const char *ashlhi3_out (rtx insn, rtx operands[], int *len); 76 extern const char *ashlsi3_out (rtx insn, rtx operands[], int *len); 77 78 extern const char *ashrqi3_out (rtx insn, rtx operands[], int *len); 79 extern const char *ashrhi3_out (rtx insn, rtx operands[], int *len); 80 extern const char *ashrsi3_out (rtx insn, rtx operands[], int *len); 81 82 extern const char *lshrqi3_out (rtx insn, rtx operands[], int *len); 83 extern const char *lshrhi3_out (rtx insn, rtx operands[], int *len); 84 extern const char *lshrsi3_out (rtx insn, rtx operands[], int *len); 85 extern bool avr_rotate_bytes (rtx operands[]); 86 87 extern void expand_prologue (void); 88 extern void expand_epilogue (void); 89 extern int avr_epilogue_uses (int regno); 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 rclass); 96 extern int extra_constraint_Q (rtx x); 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 rclass, 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 void final_prescan_insn (rtx insn, rtx *operand, int num_operands); 116 extern int avr_simplify_comparison_p (enum machine_mode mode, 117 RTX_CODE op, rtx x); 118 extern RTX_CODE avr_normalize_condition (RTX_CODE condition); 119 extern int compare_eq_p (rtx insn); 120 extern void out_shift_with_cnt (const char *templ, rtx insn, 121 rtx operands[], int *len, int t_len); 122 #endif /* RTX_CODE */ 123 124 #ifdef HAVE_MACHINE_MODES 125 extern int class_max_nregs (enum reg_class rclass, enum machine_mode mode); 126 #endif /* HAVE_MACHINE_MODES */ 127 128 #ifdef REAL_VALUE_TYPE 129 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n); 130 #endif 131