1 /* Prototypes for exported functions defined in avr.cc
2
3 Copyright (C) 2000-2023 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*, rtx, int*);
61 extern const char *avr_out_plus_set_ZN (rtx*, int*);
62 extern const char *avr_out_cmp_ext (rtx*, enum rtx_code, int*);
63
64 extern const char *ashlqi3_out (rtx_insn *insn, rtx operands[], int *len);
65 extern const char *ashlhi3_out (rtx_insn *insn, rtx operands[], int *len);
66 extern const char *ashlsi3_out (rtx_insn *insn, rtx operands[], int *len);
67
68 extern const char *ashrqi3_out (rtx_insn *insn, rtx operands[], int *len);
69 extern const char *ashrhi3_out (rtx_insn *insn, rtx operands[], int *len);
70 extern const char *ashrsi3_out (rtx_insn *insn, rtx operands[], int *len);
71
72 extern const char *lshrqi3_out (rtx_insn *insn, rtx operands[], int *len);
73 extern const char *lshrhi3_out (rtx_insn *insn, rtx operands[], int *len);
74 extern const char *lshrsi3_out (rtx_insn *insn, rtx operands[], int *len);
75
76 extern const char *avr_out_ashlpsi3 (rtx_insn *, rtx*, int*);
77 extern const char *avr_out_ashrpsi3 (rtx_insn *, rtx*, int*);
78 extern const char *avr_out_lshrpsi3 (rtx_insn *, rtx*, int*);
79
80 extern bool avr_rotate_bytes (rtx operands[]);
81
82 extern const char* avr_out_fract (rtx_insn *, rtx[], bool, int*);
83 extern rtx avr_to_int_mode (rtx);
84
85 extern void avr_expand_prologue (void);
86 extern void avr_expand_epilogue (bool);
87 extern bool avr_emit_cpymemhi (rtx*);
88 extern int avr_epilogue_uses (int regno);
89
90 extern void avr_output_addr_vec (rtx_insn*, rtx);
91 extern const char *avr_out_sbxx_branch (rtx_insn *insn, rtx operands[]);
92 extern const char* avr_out_bitop (rtx, rtx*, int*);
93 extern const char* avr_out_plus (rtx, rtx*, int* =NULL, int* =NULL, bool =true);
94 extern const char* avr_out_round (rtx_insn *, rtx*, int* =NULL);
95 extern const char* avr_out_addto_sp (rtx*, int*);
96 extern const char* avr_out_xload (rtx_insn *, rtx*, int*);
97 extern const char* avr_out_cpymem (rtx_insn *, rtx*, int*);
98 extern const char* avr_out_insert_bits (rtx*, int*);
99 extern bool avr_popcount_each_byte (rtx, int, int);
100 extern bool avr_has_nibble_0xf (rtx);
101
102 extern int extra_constraint_Q (rtx x);
103 extern int avr_adjust_insn_length (rtx_insn *insn, int len);
104 extern const char* output_reload_inhi (rtx*, rtx, int*);
105 extern const char* output_reload_insisf (rtx*, rtx, int*);
106 extern const char* avr_out_reload_inpsi (rtx*, rtx, int*);
107 extern const char* avr_out_lpm (rtx_insn *, rtx*, int*);
108 extern void avr_notice_update_cc (rtx body, rtx_insn *insn);
109 extern int reg_unused_after (rtx_insn *insn, rtx reg);
110 extern int _reg_unused_after (rtx_insn *insn, rtx reg);
111 extern int avr_jump_mode (rtx x, rtx_insn *insn);
112 extern int test_hard_reg_class (enum reg_class rclass, rtx x);
113 extern int jump_over_one_insn_p (rtx_insn *insn, rtx dest);
114
115 extern void avr_final_prescan_insn (rtx_insn *insn, rtx *operand,
116 int num_operands);
117 extern RTX_CODE avr_normalize_condition (RTX_CODE condition);
118 extern void out_shift_with_cnt (const char *templ, rtx_insn *insn,
119 rtx operands[], int *len, int t_len);
120 extern enum reg_class avr_mode_code_base_reg_class (machine_mode, addr_space_t, RTX_CODE, RTX_CODE);
121 extern bool avr_regno_mode_code_ok_for_base_p (int, machine_mode, addr_space_t, RTX_CODE, RTX_CODE);
122 extern rtx avr_incoming_return_addr_rtx (void);
123 extern rtx avr_legitimize_reload_address (rtx*, machine_mode, int, int, int, int, rtx (*)(rtx,int));
124 extern bool avr_mem_flash_p (rtx);
125 extern bool avr_mem_memx_p (rtx);
126 extern bool avr_load_libgcc_p (rtx);
127 extern bool avr_xload_libgcc_p (machine_mode);
128 extern rtx avr_eval_addr_attrib (rtx x);
129 extern bool avr_casei_sequence_check_operands (rtx *xop);
130
131 extern bool avr_float_lib_compare_returns_bool (machine_mode, enum rtx_code);
132
133 static inline unsigned
134 regmask (machine_mode mode, unsigned regno)
135 {
136 return ((1u << GET_MODE_SIZE (as_a <fixed_size_mode> (mode))) - 1) << regno;
137 }
138
139 extern void avr_fix_inputs (rtx*, unsigned, unsigned);
140 extern bool avr_emit3_fix_outputs (rtx (*)(rtx,rtx,rtx), rtx*, unsigned, unsigned);
141
142 extern rtx lpm_reg_rtx;
143 extern rtx lpm_addr_reg_rtx;
144 extern rtx tmp_reg_rtx;
145 extern rtx zero_reg_rtx;
146 extern rtx all_regs_rtx[32];
147 extern rtx rampz_rtx;
148 extern rtx cc_reg_rtx;
149
150 #endif /* RTX_CODE */
151
152 #ifdef REAL_VALUE_TYPE
153 extern void asm_output_float (FILE *file, REAL_VALUE_TYPE n);
154 #endif
155
156 extern bool avr_have_dimode;
157
158 namespace gcc { class context; }
159 class rtl_opt_pass;
160
161 extern rtl_opt_pass *make_avr_pass_pre_proep (gcc::context *);
162 extern rtl_opt_pass *make_avr_pass_recompute_notes (gcc::context *);
163 extern rtl_opt_pass *make_avr_pass_casesi (gcc::context *);
164 extern rtl_opt_pass *make_avr_pass_ifelse (gcc::context *);
165
166 /* From avr-log.cc */
167
168 #define avr_dump(...) avr_vdump (NULL, __FUNCTION__, __VA_ARGS__)
169 #define avr_edump(...) avr_vdump (stderr, __FUNCTION__, __VA_ARGS__)
170 #define avr_fdump(FIL, ...) avr_vdump (FIL, __FUNCTION__, __VA_ARGS__)
171
172 extern int avr_vdump (FILE*, const char*, ...);
173 extern void avr_log_set_avr_log (void);
174
175 typedef struct
176 {
177 unsigned address_cost :1;
178 unsigned builtin :1;
179 unsigned constraints :1;
180 unsigned insn_addresses :1;
181 unsigned legitimate_address_p :1;
182 unsigned legitimize_address :1;
183 unsigned legitimize_reload_address :1;
184 unsigned progmem :1;
185 unsigned rtx_costs :1;
186 } avr_log_t;
187
188 extern avr_log_t avr_log;