embedded-4_9-branch/gcc/config/avr/avr-protos.h

   1 /* Prototypes for exported functions defined in avr.c
   2
   3    Copyright (C) 2000-2014 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 static inline unsigned
 128 regmask (enum machine_mode mode, unsigned regno)
 129 {
 130   return ((1u << GET_MODE_SIZE (mode)) - 1) << regno;
 131 }
 132
 133 extern void avr_fix_inputs (rtx*, unsigned, unsigned);
 134 extern bool avr_emit3_fix_outputs (rtx (*)(rtx,rtx,rtx), rtx*, unsigned, unsigned);
 135
 136 extern rtx lpm_reg_rtx;
 137 extern rtx lpm_addr_reg_rtx;
 138 extern rtx tmp_reg_rtx;
 139 extern rtx zero_reg_rtx;
 140 extern rtx all_regs_rtx[32];
 141 extern rtx rampz_rtx;
 142
 143 #endif /* RTX_CODE */
 144
 145 #ifdef REAL_VALUE_TYPE
 146 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n);
 147 #endif
 148
 149 extern bool avr_have_dimode;
 150
 151 /* From avr-log.c */
 152
 153 #define avr_edump (avr_log_set_caller_e (__FUNCTION__))
 154 #define avr_fdump (avr_log_set_caller_f (__FUNCTION__))
 155
 156 extern int (*avr_log_set_caller_e (const char*))(const char*, ...);
 157 extern int (*avr_log_set_caller_f (const char*))(FILE*, const char*, ...);
 158
 159 extern void avr_log_set_avr_log (void);
 160
 161 typedef struct
 162 {
 163   unsigned address_cost :1;
 164   unsigned builtin :1;
 165   unsigned constraints :1;
 166   unsigned legitimate_address_p :1;
 167   unsigned legitimize_address :1;
 168   unsigned legitimize_reload_address :1;
 169   unsigned progmem :1;
 170   unsigned rtx_costs :1;
 171 } avr_log_t;
 172
 173 extern avr_log_t avr_log;