1 /* Prototypes for exported functions defined in avr.c 2 3 Copyright (C) 2000-2013 Free Software Foundation, Inc. 4 Contributed by Denis Chertykov (chertykov@gmail.com) 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 3, 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 COPYING3. If not see 20 <http://www.gnu.org/licenses/>. */ 21 22 23 extern int avr_function_arg_regno_p (int r); 24 extern void avr_cpu_cpp_builtins (struct cpp_reader * pfile); 25 extern enum reg_class avr_regno_reg_class (int r); 26 extern void asm_globalize_label (FILE *file, const char *name); 27 extern void avr_adjust_reg_alloc_order (void); 28 extern int avr_initial_elimination_offset (int from, int to); 29 extern int avr_simple_epilogue (void); 30 extern int avr_hard_regno_rename_ok (unsigned int, unsigned int); 31 extern rtx avr_return_addr_rtx (int count, rtx tem); 32 extern void avr_register_target_pragmas (void); 33 extern void avr_init_expanders (void); 34 35 #ifdef TREE_CODE 36 extern void avr_asm_output_aligned_decl_common (FILE*, const_tree, const char*, unsigned HOST_WIDE_INT, unsigned int, bool); 37 extern void asm_output_external (FILE *file, tree decl, char *name); 38 extern int avr_progmem_p (tree decl, tree attributes); 39 40 #ifdef RTX_CODE /* inside TREE_CODE */ 41 extern void avr_init_cumulative_args (CUMULATIVE_ARGS*, tree, rtx, tree); 42 #endif /* RTX_CODE inside TREE_CODE */ 43 44 #endif /* TREE_CODE */ 45 46 #ifdef RTX_CODE 47 extern int avr_hard_regno_call_part_clobbered (unsigned, enum machine_mode); 48 extern const char *output_movqi (rtx insn, rtx operands[], int *l); 49 extern const char *output_movhi (rtx insn, rtx operands[], int *l); 50 extern const char *output_movsisf (rtx insn, rtx operands[], int *l); 51 extern const char *avr_out_tstsi (rtx, rtx*, int*); 52 extern const char *avr_out_tsthi (rtx, rtx*, int*); 53 extern const char *avr_out_tstpsi (rtx, rtx*, int*); 54 extern const char *avr_out_compare (rtx, rtx*, int*); 55 extern const char *avr_out_compare64 (rtx, rtx*, int*); 56 extern const char *ret_cond_branch (rtx x, int len, int reverse); 57 extern const char *avr_out_movpsi (rtx, rtx*, int*); 58 59 extern const char *ashlqi3_out (rtx insn, rtx operands[], int *len); 60 extern const char *ashlhi3_out (rtx insn, rtx operands[], int *len); 61 extern const char *ashlsi3_out (rtx insn, rtx operands[], int *len); 62 63 extern const char *ashrqi3_out (rtx insn, rtx operands[], int *len); 64 extern const char *ashrhi3_out (rtx insn, rtx operands[], int *len); 65 extern const char *ashrsi3_out (rtx insn, rtx operands[], int *len); 66 67 extern const char *lshrqi3_out (rtx insn, rtx operands[], int *len); 68 extern const char *lshrhi3_out (rtx insn, rtx operands[], int *len); 69 extern const char *lshrsi3_out (rtx insn, rtx operands[], int *len); 70 71 extern const char *avr_out_ashlpsi3 (rtx, rtx*, int*); 72 extern const char *avr_out_ashrpsi3 (rtx, rtx*, int*); 73 extern const char *avr_out_lshrpsi3 (rtx, rtx*, int*); 74 75 extern bool avr_rotate_bytes (rtx operands[]); 76 77 extern const char* avr_out_fract (rtx, rtx[], bool, int*); 78 extern rtx avr_to_int_mode (rtx); 79 80 extern void avr_expand_prologue (void); 81 extern void avr_expand_epilogue (bool); 82 extern bool avr_emit_movmemhi (rtx*); 83 extern int avr_epilogue_uses (int regno); 84 extern int avr_starting_frame_offset (void); 85 86 extern void avr_output_addr_vec_elt (FILE *stream, int value); 87 extern const char *avr_out_sbxx_branch (rtx insn, rtx operands[]); 88 extern const char* avr_out_bitop (rtx, rtx*, int*); 89 extern const char* avr_out_plus (rtx, rtx*, int* =NULL, int* =NULL, bool =true); 90 extern const char* avr_out_round (rtx, rtx*, int* =NULL); 91 extern const char* avr_out_addto_sp (rtx*, int*); 92 extern const char* avr_out_xload (rtx, rtx*, int*); 93 extern const char* avr_out_movmem (rtx, rtx*, int*); 94 extern const char* avr_out_insert_bits (rtx*, int*); 95 extern bool avr_popcount_each_byte (rtx, int, int); 96 extern bool avr_has_nibble_0xf (rtx); 97 98 extern int extra_constraint_Q (rtx x); 99 extern int avr_adjust_insn_length (rtx insn, int len); 100 extern const char* output_reload_inhi (rtx*, rtx, int*); 101 extern const char* output_reload_insisf (rtx*, rtx, int*); 102 extern const char* avr_out_reload_inpsi (rtx*, rtx, int*); 103 extern const char* avr_out_lpm (rtx, rtx*, int*); 104 extern void avr_notice_update_cc (rtx body, rtx insn); 105 extern int reg_unused_after (rtx insn, rtx reg); 106 extern int _reg_unused_after (rtx insn, rtx reg); 107 extern int avr_jump_mode (rtx x, rtx insn); 108 extern int test_hard_reg_class (enum reg_class rclass, rtx x); 109 extern int jump_over_one_insn_p (rtx insn, rtx dest); 110 111 extern int avr_hard_regno_mode_ok (int regno, enum machine_mode mode); 112 extern void avr_final_prescan_insn (rtx insn, rtx *operand, int num_operands); 113 extern int avr_simplify_comparison_p (enum machine_mode mode, 114 RTX_CODE op, rtx x); 115 extern RTX_CODE avr_normalize_condition (RTX_CODE condition); 116 extern void out_shift_with_cnt (const char *templ, rtx insn, 117 rtx operands[], int *len, int t_len); 118 extern enum reg_class avr_mode_code_base_reg_class (enum machine_mode, addr_space_t, RTX_CODE, RTX_CODE); 119 extern bool avr_regno_mode_code_ok_for_base_p (int, enum machine_mode, addr_space_t, RTX_CODE, RTX_CODE); 120 extern rtx avr_incoming_return_addr_rtx (void); 121 extern rtx avr_legitimize_reload_address (rtx*, enum machine_mode, int, int, int, int, rtx (*)(rtx,int)); 122 extern bool avr_mem_flash_p (rtx); 123 extern bool avr_mem_memx_p (rtx); 124 extern bool avr_load_libgcc_p (rtx); 125 extern bool avr_xload_libgcc_p (enum machine_mode); 126 127 extern rtx lpm_reg_rtx; 128 extern rtx lpm_addr_reg_rtx; 129 extern rtx tmp_reg_rtx; 130 extern rtx zero_reg_rtx; 131 extern rtx all_regs_rtx[32]; 132 extern rtx rampz_rtx; 133 134 #endif /* RTX_CODE */ 135 136 #ifdef REAL_VALUE_TYPE 137 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n); 138 #endif 139 140 extern bool avr_have_dimode; 141 142 /* From avr-log.c */ 143 144 #define avr_edump (avr_log_set_caller_e (__FUNCTION__)) 145 #define avr_fdump (avr_log_set_caller_f (__FUNCTION__)) 146 147 extern int (*avr_log_set_caller_e (const char*))(const char*, ...); 148 extern int (*avr_log_set_caller_f (const char*))(FILE*, const char*, ...); 149 150 extern void avr_log_set_avr_log (void); 151 152 typedef struct 153 { 154 unsigned address_cost :1; 155 unsigned builtin :1; 156 unsigned constraints :1; 157 unsigned legitimate_address_p :1; 158 unsigned legitimize_address :1; 159 unsigned legitimize_reload_address :1; 160 unsigned progmem :1; 161 unsigned rtx_costs :1; 162 } avr_log_t; 163 164 extern avr_log_t avr_log; 165