gcc/config/avr/avr-protos.h

   1 /* Prototypes for exported functions defined in avr.cc
   2
   3    Copyright (C) 2000-2024 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 extern bool avr_addr_space_supported_p (addr_space_t, location_t loc = UNKNOWN_LOCATION);
  41
  42 #ifdef RTX_CODE /* inside TREE_CODE */
  43 extern void avr_init_cumulative_args (CUMULATIVE_ARGS*, tree, rtx, tree);
  44 #endif /* RTX_CODE inside TREE_CODE */
  45
  46 #endif /* TREE_CODE */
  47
  48 #ifdef RTX_CODE
  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 extern const char *avr_out_insert_notbit (rtx_insn *, rtx*, int*);
  61 extern const char *avr_out_insv (rtx_insn *, rtx*, int*);
  62 extern const char *avr_out_extr (rtx_insn *, rtx*, int*);
  63 extern const char *avr_out_extr_not (rtx_insn *, rtx*, int*);
  64 extern const char *avr_out_plus_set_ZN (rtx*, int*);
  65 extern const char *avr_out_cmp_ext (rtx*, enum rtx_code, int*);
  66
  67 extern const char *ashlqi3_out (rtx_insn *insn, rtx operands[], int *len);
  68 extern const char *ashlhi3_out (rtx_insn *insn, rtx operands[], int *len);
  69 extern const char *ashlsi3_out (rtx_insn *insn, rtx operands[], int *len);
  70
  71 extern const char *ashrqi3_out (rtx_insn *insn, rtx operands[], int *len);
  72 extern const char *ashrhi3_out (rtx_insn *insn, rtx operands[], int *len);
  73 extern const char *ashrsi3_out (rtx_insn *insn, rtx operands[], int *len);
  74
  75 extern const char *lshrqi3_out (rtx_insn *insn, rtx operands[], int *len);
  76 extern const char *lshrhi3_out (rtx_insn *insn, rtx operands[], int *len);
  77 extern const char *lshrsi3_out (rtx_insn *insn, rtx operands[], int *len);
  78
  79 extern const char *avr_out_ashlpsi3 (rtx_insn *, rtx*, int*);
  80 extern const char *avr_out_ashrpsi3 (rtx_insn *, rtx*, int*);
  81 extern const char *avr_out_lshrpsi3 (rtx_insn *, rtx*, int*);
  82
  83 extern bool avr_rotate_bytes (rtx operands[]);
  84
  85 extern const char* avr_out_fract (rtx_insn *, rtx[], bool, int*);
  86 extern rtx avr_to_int_mode (rtx);
  87
  88 extern void avr_expand_prologue (void);
  89 extern void avr_expand_epilogue (bool);
  90 extern bool avr_emit_cpymemhi (rtx*);
  91 extern int avr_epilogue_uses (int regno);
  92 extern bool avr_split_tiny_move (rtx_insn *insn, rtx *operands);
  93
  94 extern void avr_output_addr_vec (rtx_insn*, rtx);
  95 extern const char *avr_out_sbxx_branch (rtx_insn *insn, rtx operands[]);
  96 extern const char* avr_out_bitop (rtx, rtx*, int*);
  97 extern const char* avr_out_plus (rtx, rtx*, int* =NULL, bool =true);
  98 extern const char* avr_out_round (rtx_insn *, rtx*, int* =NULL);
  99 extern const char* avr_out_addto_sp (rtx*, int*);
 100 extern const char* avr_out_xload (rtx_insn *, rtx*, int*);
 101 extern const char* avr_out_cpymem (rtx_insn *, rtx*, int*);
 102 extern const char* avr_out_insert_bits (rtx*, int*);
 103 extern bool avr_popcount_each_byte (rtx, int, int);
 104 extern bool avr_xor_noclobber_dconst (rtx, int);
 105 extern bool avr_has_nibble_0xf (rtx);
 106
 107 extern int extra_constraint_Q (rtx x);
 108 extern int avr_adjust_insn_length (rtx_insn *insn, int len);
 109 extern const char* output_reload_inhi (rtx*, rtx, int*);
 110 extern const char* output_reload_insisf (rtx*, rtx, int*);
 111 extern const char* avr_out_reload_inpsi (rtx*, rtx, int*);
 112 extern const char* avr_out_lpm (rtx_insn *, rtx*, int*);
 113 extern void avr_notice_update_cc (rtx body, rtx_insn *insn);
 114 extern int reg_unused_after (rtx_insn *insn, rtx reg);
 115 extern int avr_jump_mode (rtx x, rtx_insn *insn);
 116 extern int test_hard_reg_class (enum reg_class rclass, rtx x);
 117 extern int jump_over_one_insn_p (rtx_insn *insn, rtx dest);
 118
 119 extern void avr_final_prescan_insn (rtx_insn *insn, rtx *operand,
 120                                     int num_operands);
 121 extern RTX_CODE avr_normalize_condition (RTX_CODE condition);
 122 extern void out_shift_with_cnt (const char *templ, rtx_insn *insn,
 123                                 rtx operands[], int *len, int t_len);
 124 extern enum reg_class avr_mode_code_base_reg_class (machine_mode, addr_space_t, RTX_CODE, RTX_CODE);
 125 extern bool avr_regno_mode_code_ok_for_base_p (int, machine_mode, addr_space_t, RTX_CODE, RTX_CODE);
 126 extern rtx avr_incoming_return_addr_rtx (void);
 127 extern rtx avr_legitimize_reload_address (rtx*, machine_mode, int, int, int, int, rtx (*)(rtx,int));
 128 extern bool avr_adiw_reg_p (rtx);
 129 extern bool avr_mem_flash_p (rtx);
 130 extern bool avr_mem_memx_p (rtx);
 131 extern bool avr_load_libgcc_p (rtx);
 132 extern bool avr_xload_libgcc_p (machine_mode);
 133 extern rtx avr_eval_addr_attrib (rtx x);
 134 extern bool avr_casei_sequence_check_operands (rtx *xop);
 135
 136 extern bool avr_float_lib_compare_returns_bool (machine_mode, enum rtx_code);
 137
 138 static inline unsigned
 139 regmask (machine_mode mode, unsigned regno)
 140 {
 141   return ((1u << GET_MODE_SIZE (as_a <fixed_size_mode> (mode))) - 1) << regno;
 142 }
 143
 144 extern void avr_fix_inputs (rtx*, unsigned, unsigned);
 145 extern bool avr_emit3_fix_outputs (rtx (*)(rtx,rtx,rtx), rtx*, unsigned, unsigned);
 146
 147 extern rtx lpm_reg_rtx;
 148 extern rtx lpm_addr_reg_rtx;
 149 extern rtx tmp_reg_rtx;
 150 extern rtx zero_reg_rtx;
 151 extern rtx all_regs_rtx[32];
 152 extern rtx rampz_rtx;
 153 extern rtx cc_reg_rtx;
 154
 155 #endif /* RTX_CODE */
 156
 157 #ifdef REAL_VALUE_TYPE
 158 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n);
 159 #endif
 160
 161 extern bool avr_have_dimode;
 162
 163 namespace gcc { class context; }
 164 class rtl_opt_pass;
 165
 166 extern rtl_opt_pass *make_avr_pass_fuse_add (gcc::context *);
 167 extern rtl_opt_pass *make_avr_pass_pre_proep (gcc::context *);
 168 extern rtl_opt_pass *make_avr_pass_recompute_notes (gcc::context *);
 169 extern rtl_opt_pass *make_avr_pass_casesi (gcc::context *);
 170 extern rtl_opt_pass *make_avr_pass_ifelse (gcc::context *);
 171
 172 /* From avr-log.cc */
 173
 174 #define avr_dump(...) avr_vdump (NULL, __FUNCTION__, __VA_ARGS__)
 175 #define avr_edump(...) avr_vdump (stderr, __FUNCTION__, __VA_ARGS__)
 176 #define avr_fdump(FIL, ...) avr_vdump (FIL, __FUNCTION__, __VA_ARGS__)
 177
 178 extern int avr_vdump (FILE*, const char*, ...);
 179 extern void avr_log_set_avr_log (void);
 180
 181 typedef struct
 182 {
 183   unsigned address_cost :1;
 184   unsigned builtin :1;
 185   unsigned constraints :1;
 186   unsigned insn_addresses :1;
 187   unsigned legitimate_address_p :1;
 188   unsigned legitimize_address :1;
 189   unsigned legitimize_reload_address :1;
 190   unsigned progmem :1;
 191   unsigned rtx_costs :1;
 192 } avr_log_t;
 193
 194 extern avr_log_t avr_log;