1 /* Prototypes for exported functions defined in avr.c 2 3 Copyright (C) 2000-2015 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*, tree, const char*, unsigned HOST_WIDE_INT, unsigned int, bool); 37 extern void avr_asm_asm_output_aligned_bss (FILE *, tree, const char *, unsigned HOST_WIDE_INT, int, void (*) (FILE *, tree, const char *, unsigned HOST_WIDE_INT, int)); 38 extern void asm_output_external (FILE *file, tree decl, char *name); 39 extern int avr_progmem_p (tree decl, tree attributes); 40 41 #ifdef RTX_CODE /* inside TREE_CODE */ 42 extern void avr_init_cumulative_args (CUMULATIVE_ARGS*, tree, rtx, tree); 43 #endif /* RTX_CODE inside TREE_CODE */ 44 45 #endif /* TREE_CODE */ 46 47 #ifdef RTX_CODE 48 extern int avr_hard_regno_call_part_clobbered (unsigned, machine_mode); 49 extern const char *output_movqi (rtx_insn *insn, rtx operands[], int *l); 50 extern const char *output_movhi (rtx_insn *insn, rtx operands[], int *l); 51 extern const char *output_movsisf (rtx_insn *insn, rtx operands[], int *l); 52 extern const char *avr_out_tstsi (rtx_insn *, rtx*, int*); 53 extern const char *avr_out_tsthi (rtx_insn *, rtx*, int*); 54 extern const char *avr_out_tstpsi (rtx_insn *, rtx*, int*); 55 extern const char *avr_out_compare (rtx_insn *, rtx*, int*); 56 extern const char *avr_out_compare64 (rtx_insn *, rtx*, int*); 57 extern const char *ret_cond_branch (rtx x, int len, int reverse); 58 extern const char *avr_out_movpsi (rtx_insn *, rtx*, int*); 59 extern const char *avr_out_sign_extend (rtx_insn *, rtx*, int*); 60 61 extern const char *ashlqi3_out (rtx_insn *insn, rtx operands[], int *len); 62 extern const char *ashlhi3_out (rtx_insn *insn, rtx operands[], int *len); 63 extern const char *ashlsi3_out (rtx_insn *insn, rtx operands[], int *len); 64 65 extern const char *ashrqi3_out (rtx_insn *insn, rtx operands[], int *len); 66 extern const char *ashrhi3_out (rtx_insn *insn, rtx operands[], int *len); 67 extern const char *ashrsi3_out (rtx_insn *insn, rtx operands[], int *len); 68 69 extern const char *lshrqi3_out (rtx_insn *insn, rtx operands[], int *len); 70 extern const char *lshrhi3_out (rtx_insn *insn, rtx operands[], int *len); 71 extern const char *lshrsi3_out (rtx_insn *insn, rtx operands[], int *len); 72 73 extern const char *avr_out_ashlpsi3 (rtx_insn *, rtx*, int*); 74 extern const char *avr_out_ashrpsi3 (rtx_insn *, rtx*, int*); 75 extern const char *avr_out_lshrpsi3 (rtx_insn *, rtx*, int*); 76 77 extern bool avr_rotate_bytes (rtx operands[]); 78 79 extern const char* avr_out_fract (rtx_insn *, rtx[], bool, int*); 80 extern rtx avr_to_int_mode (rtx); 81 82 extern void avr_expand_prologue (void); 83 extern void avr_expand_epilogue (bool); 84 extern bool avr_emit_movmemhi (rtx*); 85 extern int avr_epilogue_uses (int regno); 86 extern int avr_starting_frame_offset (void); 87 88 extern void avr_output_addr_vec_elt (FILE *stream, int value); 89 extern const char *avr_out_sbxx_branch (rtx_insn *insn, rtx operands[]); 90 extern const char* avr_out_bitop (rtx, rtx*, int*); 91 extern const char* avr_out_plus (rtx, rtx*, int* =NULL, int* =NULL, bool =true); 92 extern const char* avr_out_round (rtx_insn *, rtx*, int* =NULL); 93 extern const char* avr_out_addto_sp (rtx*, int*); 94 extern const char* avr_out_xload (rtx_insn *, rtx*, int*); 95 extern const char* avr_out_movmem (rtx_insn *, rtx*, int*); 96 extern const char* avr_out_insert_bits (rtx*, int*); 97 extern bool avr_popcount_each_byte (rtx, int, int); 98 extern bool avr_has_nibble_0xf (rtx); 99 100 extern int extra_constraint_Q (rtx x); 101 extern int avr_adjust_insn_length (rtx_insn *insn, int len); 102 extern const char* output_reload_inhi (rtx*, rtx, int*); 103 extern const char* output_reload_insisf (rtx*, rtx, int*); 104 extern const char* avr_out_reload_inpsi (rtx*, rtx, int*); 105 extern const char* avr_out_lpm (rtx_insn *, rtx*, int*); 106 extern void avr_notice_update_cc (rtx body, rtx_insn *insn); 107 extern int reg_unused_after (rtx_insn *insn, rtx reg); 108 extern int _reg_unused_after (rtx_insn *insn, rtx reg); 109 extern int avr_jump_mode (rtx x, rtx_insn *insn); 110 extern int test_hard_reg_class (enum reg_class rclass, rtx x); 111 extern int jump_over_one_insn_p (rtx_insn *insn, rtx dest); 112 113 extern int avr_hard_regno_mode_ok (int regno, machine_mode mode); 114 extern void avr_final_prescan_insn (rtx_insn *insn, rtx *operand, 115 int num_operands); 116 extern int avr_simplify_comparison_p (machine_mode mode, 117 RTX_CODE op, rtx x); 118 extern RTX_CODE avr_normalize_condition (RTX_CODE condition); 119 extern void out_shift_with_cnt (const char *templ, rtx_insn *insn, 120 rtx operands[], int *len, int t_len); 121 extern enum reg_class avr_mode_code_base_reg_class (machine_mode, addr_space_t, RTX_CODE, RTX_CODE); 122 extern bool avr_regno_mode_code_ok_for_base_p (int, machine_mode, addr_space_t, RTX_CODE, RTX_CODE); 123 extern rtx avr_incoming_return_addr_rtx (void); 124 extern rtx avr_legitimize_reload_address (rtx*, machine_mode, int, int, int, int, rtx (*)(rtx,int)); 125 extern bool avr_mem_flash_p (rtx); 126 extern bool avr_mem_memx_p (rtx); 127 extern bool avr_load_libgcc_p (rtx); 128 extern bool avr_xload_libgcc_p (machine_mode); 129 extern rtx avr_eval_addr_attrib (rtx x); 130 131 static inline unsigned 132 regmask (machine_mode mode, unsigned regno) 133 { 134 return ((1u << GET_MODE_SIZE (mode)) - 1) << regno; 135 } 136 137 extern void avr_fix_inputs (rtx*, unsigned, unsigned); 138 extern bool avr_emit3_fix_outputs (rtx (*)(rtx,rtx,rtx), rtx*, unsigned, unsigned); 139 140 extern rtx lpm_reg_rtx; 141 extern rtx lpm_addr_reg_rtx; 142 extern rtx tmp_reg_rtx; 143 extern rtx zero_reg_rtx; 144 extern rtx all_regs_rtx[32]; 145 extern rtx rampz_rtx; 146 147 #endif /* RTX_CODE */ 148 149 #ifdef REAL_VALUE_TYPE 150 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n); 151 #endif 152 153 extern bool avr_have_dimode; 154 155 /* From avr-log.c */ 156 157 #define avr_dump(...) avr_vdump (NULL, __FUNCTION__, __VA_ARGS__) 158 #define avr_edump(...) avr_vdump (stderr, __FUNCTION__, __VA_ARGS__) 159 #define avr_fdump(FIL, ...) avr_vdump (FIL, __FUNCTION__, __VA_ARGS__) 160 161 extern int avr_vdump (FILE*, const char*, ...); 162 extern void avr_log_set_avr_log (void); 163 164 typedef struct 165 { 166 unsigned address_cost :1; 167 unsigned builtin :1; 168 unsigned constraints :1; 169 unsigned legitimate_address_p :1; 170 unsigned legitimize_address :1; 171 unsigned legitimize_reload_address :1; 172 unsigned progmem :1; 173 unsigned rtx_costs :1; 174 } avr_log_t; 175 176 extern avr_log_t avr_log; 177