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comparison gcc/config/nds32/nds32-protos.h @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children 1830386684a0
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111:04ced10e8804 131:84e7813d76e9
1 /* Prototypes for exported functions of Andes NDS32 cpu for GNU compiler 1 /* Prototypes for exported functions of Andes NDS32 cpu for GNU compiler
2 Copyright (C) 2012-2017 Free Software Foundation, Inc. 2 Copyright (C) 2012-2018 Free Software Foundation, Inc.
3 Contributed by Andes Technology Corporation. 3 Contributed by Andes Technology Corporation.
4 4
5 This file is part of GCC. 5 This file is part of GCC.
6 6
7 GCC is free software; you can redistribute it and/or modify it 7 GCC is free software; you can redistribute it and/or modify it
24 /* Defining Data Structures for Per-function Information. */ 24 /* Defining Data Structures for Per-function Information. */
25 25
26 extern void nds32_init_expanders (void); 26 extern void nds32_init_expanders (void);
27 27
28 28
29 /* Register Usage. */
30
31 /* -- Order of Allocation of Registers. */
32 extern void nds32_adjust_reg_alloc_order (void);
33
29 /* Register Classes. */ 34 /* Register Classes. */
30 35
31 extern enum reg_class nds32_regno_reg_class (int); 36 extern enum reg_class nds32_regno_reg_class (int);
32 37
33 38
34 /* Stack Layout and Calling Conventions. */ 39 /* Stack Layout and Calling Conventions. */
35 40
36 /* -- Basic Stack Layout. */ 41 /* -- Basic Stack Layout. */
37 42
43 extern rtx nds32_dynamic_chain_address (rtx);
38 extern rtx nds32_return_addr_rtx (int, rtx); 44 extern rtx nds32_return_addr_rtx (int, rtx);
39 45
40 /* -- Eliminating Frame Pointer and Arg Pointer. */ 46 /* -- Eliminating Frame Pointer and Arg Pointer. */
41 47
42 extern HOST_WIDE_INT nds32_initial_elimination_offset (unsigned int, 48 extern HOST_WIDE_INT nds32_initial_elimination_offset (unsigned int,
51 57
52 extern void nds32_expand_prologue (void); 58 extern void nds32_expand_prologue (void);
53 extern void nds32_expand_epilogue (bool); 59 extern void nds32_expand_epilogue (bool);
54 extern void nds32_expand_prologue_v3push (void); 60 extern void nds32_expand_prologue_v3push (void);
55 extern void nds32_expand_epilogue_v3pop (bool); 61 extern void nds32_expand_epilogue_v3pop (bool);
62 extern void nds32_emit_push_fpr_callee_saved (int);
63 extern void nds32_emit_pop_fpr_callee_saved (int);
64 extern void nds32_emit_v3pop_fpr_callee_saved (int);
65
66 /* Controlling Debugging Information Format. */
67
68 extern unsigned int nds32_dbx_register_number (unsigned int);
56 69
57 /* ------------------------------------------------------------------------ */ 70 /* ------------------------------------------------------------------------ */
58 71
59 /* Auxiliary functions for auxiliary macros in nds32.h. */ 72 /* Auxiliary functions for manipulation DI mode. */
60 73
61 extern bool nds32_ls_333_p (rtx, rtx, rtx, machine_mode); 74 extern rtx nds32_di_high_part_subreg(rtx);
75 extern rtx nds32_di_low_part_subreg(rtx);
62 76
63 /* Auxiliary functions for expanding rtl used in nds32-multiple.md. */ 77 /* Auxiliary functions for expanding rtl used in nds32-multiple.md. */
64 78
65 extern rtx nds32_expand_load_multiple (int, int, rtx, rtx); 79 extern rtx nds32_expand_load_multiple (int, int, rtx, rtx, bool, rtx *);
66 extern rtx nds32_expand_store_multiple (int, int, rtx, rtx); 80 extern rtx nds32_expand_store_multiple (int, int, rtx, rtx, bool, rtx *);
67 extern int nds32_expand_movmemqi (rtx, rtx, rtx, rtx); 81 extern bool nds32_expand_movmemsi (rtx, rtx, rtx, rtx);
82 extern bool nds32_expand_setmem (rtx, rtx, rtx, rtx, rtx, rtx);
83 extern bool nds32_expand_strlen (rtx, rtx, rtx, rtx);
84
85 /* Auxiliary functions for expand unalign load instruction. */
86
87 extern void nds32_expand_unaligned_load (rtx *, enum machine_mode);
88
89 /* Auxiliary functions for expand unalign store instruction. */
90
91 extern void nds32_expand_unaligned_store (rtx *, enum machine_mode);
68 92
69 /* Auxiliary functions for multiple load/store predicate checking. */ 93 /* Auxiliary functions for multiple load/store predicate checking. */
70 94
71 extern bool nds32_valid_multiple_load_store (rtx, bool); 95 extern bool nds32_valid_multiple_load_store_p (rtx, bool, bool);
96
97 /* Auxiliary functions for guard function checking in pipelines.md. */
98
99 extern bool nds32_n7_load_to_ii_p (rtx_insn *, rtx_insn *);
100 extern bool nds32_n7_last_load_to_ii_p (rtx_insn *, rtx_insn *);
101
102 extern bool nds32_n8_load_to_ii_p (rtx_insn *, rtx_insn *);
103 extern bool nds32_n8_load_bi_to_ii_p (rtx_insn *, rtx_insn *);
104 extern bool nds32_n8_load_to_ex_p (rtx_insn *, rtx_insn *);
105 extern bool nds32_n8_ex_to_ii_p (rtx_insn *, rtx_insn *);
106 extern bool nds32_n8_last_load_to_ii_p (rtx_insn *, rtx_insn *);
107 extern bool nds32_n8_last_load_two_to_ii_p (rtx_insn *, rtx_insn *);
108 extern bool nds32_n8_last_load_to_ex_p (rtx_insn *, rtx_insn *);
109
110 extern bool nds32_e8_load_to_ii_p (rtx_insn *, rtx_insn *);
111 extern bool nds32_e8_load_to_ex_p (rtx_insn *, rtx_insn *);
112 extern bool nds32_e8_ex_to_ii_p (rtx_insn *, rtx_insn *);
113 extern bool nds32_e8_last_load_to_ii_p (rtx_insn *, rtx_insn *);
114 extern bool nds32_e8_last_load_to_ex_p (rtx_insn *, rtx_insn *);
115
116 extern bool nds32_n9_2r1w_mm_to_ex_p (rtx_insn *, rtx_insn *);
117 extern bool nds32_n9_3r2w_mm_to_ex_p (rtx_insn *, rtx_insn *);
118 extern bool nds32_n9_last_load_to_ex_p (rtx_insn *, rtx_insn *);
119
120 extern bool nds32_n10_ex_to_ex_p (rtx_insn *, rtx_insn *);
121 extern bool nds32_n10_mm_to_ex_p (rtx_insn *, rtx_insn *);
122 extern bool nds32_n10_last_load_to_ex_p (rtx_insn *, rtx_insn *);
123
124 extern bool nds32_gw_ex_to_ex_p (rtx_insn *, rtx_insn *);
125 extern bool nds32_gw_mm_to_ex_p (rtx_insn *, rtx_insn *);
126 extern bool nds32_gw_last_load_to_ex_p (rtx_insn *, rtx_insn *);
127
128 extern bool nds32_n13_e2_to_e1_p (rtx_insn *, rtx_insn *);
129 extern bool nds32_n13_load_to_e1_p (rtx_insn *, rtx_insn *);
130 extern bool nds32_n13_load_to_e2_p (rtx_insn *, rtx_insn *);
131 extern bool nds32_n13_last_load_to_e1_p (rtx_insn *, rtx_insn *);
132 extern bool nds32_n13_last_load_to_e2_p (rtx_insn *, rtx_insn *);
133 extern bool nds32_n13_last_two_load_to_e1_p (rtx_insn *, rtx_insn *);
72 134
73 /* Auxiliary functions for stack operation predicate checking. */ 135 /* Auxiliary functions for stack operation predicate checking. */
74 136
75 extern bool nds32_valid_stack_push_pop_p (rtx, bool); 137 extern bool nds32_valid_stack_push_pop_p (rtx, bool);
76 138
77 /* Auxiliary functions for bit operation detection. */ 139 /* Auxiliary functions for bit operation detection. */
78 140
79 extern int nds32_can_use_bclr_p (int); 141 extern bool nds32_can_use_bclr_p (HOST_WIDE_INT);
80 extern int nds32_can_use_bset_p (int); 142 extern bool nds32_can_use_bset_p (HOST_WIDE_INT);
81 extern int nds32_can_use_btgl_p (int); 143 extern bool nds32_can_use_btgl_p (HOST_WIDE_INT);
82 144
83 extern int nds32_can_use_bitci_p (int); 145 extern bool nds32_can_use_bitci_p (HOST_WIDE_INT);
146
147 extern bool nds32_const_double_range_ok_p (rtx, machine_mode,
148 HOST_WIDE_INT, HOST_WIDE_INT);
149
150 extern bool nds32_const_unspec_p (rtx x);
84 151
85 /* Auxiliary function for 'Computing the Length of an Insn'. */ 152 /* Auxiliary function for 'Computing the Length of an Insn'. */
86 153
87 extern int nds32_adjust_insn_length (rtx_insn *, int); 154 extern int nds32_adjust_insn_length (rtx_insn *, int);
88 155
89 /* Auxiliary functions for FP_AS_GP detection. */ 156 /* Auxiliary functions for FP_AS_GP detection. */
90 157
91 extern int nds32_fp_as_gp_check_available (void); 158 extern bool nds32_symbol_load_store_p (rtx_insn *);
159 extern bool nds32_naked_function_p (tree);
92 160
93 /* Auxiliary functions for jump table generation. */ 161 /* Auxiliary functions for jump table generation. */
94 162
95 extern const char *nds32_output_casesi_pc_relative (rtx *); 163 extern const char *nds32_output_casesi_pc_relative (rtx *);
96 extern const char *nds32_output_casesi (rtx *); 164 extern const char *nds32_output_casesi (rtx *);
97 165
166 /* Auxiliary functions for conditional branch generation. */
167
168 extern enum nds32_expand_result_type nds32_expand_cbranch (rtx *);
169 extern enum nds32_expand_result_type nds32_expand_cstore (rtx *);
170 extern void nds32_expand_float_cbranch (rtx *);
171 extern void nds32_expand_float_cstore (rtx *);
172
173 /* Auxiliary functions for conditional move generation. */
174
175 extern enum nds32_expand_result_type nds32_expand_movcc (rtx *);
176 extern void nds32_expand_float_movcc (rtx *);
177
178 /* Auxiliary functions for expand extv/insv instruction. */
179
180 extern enum nds32_expand_result_type nds32_expand_extv (rtx *);
181 extern enum nds32_expand_result_type nds32_expand_insv (rtx *);
182
183 /* Auxiliary functions for expand PIC instruction. */
184
185 extern void nds32_expand_pic_move (rtx *);
186
187 /* Auxiliary functions to legitimize PIC address. */
188
189 extern rtx nds32_legitimize_pic_address (rtx);
190
191 /* Auxiliary functions for expand TLS instruction. */
192
193 extern void nds32_expand_tls_move (rtx *);
194
195 /* Auxiliary functions to legitimize TLS address. */
196
197 extern rtx nds32_legitimize_tls_address (rtx);
198
199 /* Auxiliary functions to identify thread-local symbol. */
200
201 extern bool nds32_tls_referenced_p (rtx);
202
203 /* Auxiliary functions for expand ICT instruction. */
204
205 extern void nds32_expand_ict_move (rtx *);
206
207 /* Auxiliary functions to legitimize address for indirect-call symbol. */
208
209 extern rtx nds32_legitimize_ict_address (rtx);
210
211 /* Auxiliary functions to identify indirect-call symbol. */
212
213 extern bool nds32_indirect_call_referenced_p (rtx);
214
215 /* Auxiliary functions to identify long-call symbol. */
216 extern bool nds32_long_call_p (rtx);
217
218 /* Auxiliary functions to identify SYMBOL_REF and LABEL_REF pattern. */
219
220 extern bool symbolic_reference_mentioned_p (rtx);
221
222 /* Auxiliary functions to identify conditional move comparison operand. */
223
224 extern int nds32_cond_move_p (rtx);
225
98 /* Auxiliary functions to identify 16 bit addresing mode. */ 226 /* Auxiliary functions to identify 16 bit addresing mode. */
99 227
100 extern enum nds32_16bit_address_type nds32_mem_format (rtx); 228 extern enum nds32_16bit_address_type nds32_mem_format (rtx);
229
230 /* Auxiliary functions to identify floating-point addresing mode. */
231
232 extern bool nds32_float_mem_operand_p (rtx);
101 233
102 /* Auxiliary functions to output assembly code. */ 234 /* Auxiliary functions to output assembly code. */
103 235
104 extern const char *nds32_output_16bit_store (rtx *, int); 236 extern const char *nds32_output_16bit_store (rtx *, int);
105 extern const char *nds32_output_16bit_load (rtx *, int); 237 extern const char *nds32_output_16bit_load (rtx *, int);
106 extern const char *nds32_output_32bit_store (rtx *, int); 238 extern const char *nds32_output_32bit_store (rtx *, int);
107 extern const char *nds32_output_32bit_load (rtx *, int); 239 extern const char *nds32_output_32bit_load (rtx *, int);
108 extern const char *nds32_output_32bit_load_s (rtx *, int); 240 extern const char *nds32_output_32bit_load_s (rtx *, int);
241 extern const char *nds32_output_float_load(rtx *);
242 extern const char *nds32_output_float_store(rtx *);
243 extern const char *nds32_output_smw_single_word (rtx *);
244 extern const char *nds32_output_smw_double_word (rtx *);
245 extern const char *nds32_output_lmw_single_word (rtx *);
246 extern const char *nds32_output_double (rtx *, bool);
247 extern const char *nds32_output_cbranchsi4_equality_zero (rtx_insn *, rtx *);
248 extern const char *nds32_output_cbranchsi4_equality_reg (rtx_insn *, rtx *);
249 extern const char *nds32_output_cbranchsi4_equality_reg_or_const_int (rtx_insn *,
250 rtx *);
251 extern const char *nds32_output_cbranchsi4_greater_less_zero (rtx_insn *, rtx *);
252
253 extern const char *nds32_output_unpkd8 (rtx, rtx, rtx, rtx, bool);
254
255 extern const char *nds32_output_call (rtx, rtx *, rtx,
256 const char *, const char *, bool);
257 extern const char *nds32_output_tls_desc (rtx *);
258 extern const char *nds32_output_tls_ie (rtx *);
109 259
110 /* Auxiliary functions to output stack push/pop instruction. */ 260 /* Auxiliary functions to output stack push/pop instruction. */
111 261
112 extern const char *nds32_output_stack_push (rtx); 262 extern const char *nds32_output_stack_push (rtx);
113 extern const char *nds32_output_stack_pop (rtx); 263 extern const char *nds32_output_stack_pop (rtx);
264 extern const char *nds32_output_return (void);
265
266
267 /* Auxiliary functions to split/output sms pattern. */
268 extern bool nds32_need_split_sms_p (rtx, rtx, rtx, rtx);
269 extern const char *nds32_output_sms (rtx, rtx, rtx, rtx);
270 extern void nds32_split_sms (rtx, rtx, rtx, rtx, rtx, rtx, rtx);
271
272 /* Auxiliary functions to split double word RTX pattern. */
273
274 extern void nds32_spilt_doubleword (rtx *, bool);
275 extern void nds32_split_ashiftdi3 (rtx, rtx, rtx);
276 extern void nds32_split_ashiftrtdi3 (rtx, rtx, rtx);
277 extern void nds32_split_lshiftrtdi3 (rtx, rtx, rtx);
278 extern void nds32_split_rotatertdi3 (rtx, rtx, rtx);
279
280 /* Auxiliary functions to split large constant RTX pattern. */
281
282 extern void nds32_expand_constant (machine_mode,
283 HOST_WIDE_INT, rtx, rtx);
114 284
115 /* Auxiliary functions to check using return with null epilogue. */ 285 /* Auxiliary functions to check using return with null epilogue. */
116 286
117 extern int nds32_can_use_return_insn (void); 287 extern int nds32_can_use_return_insn (void);
288 extern scalar_int_mode nds32_case_vector_shorten_mode (int, int, rtx);
118 289
119 /* Auxiliary functions to decide output alignment or not. */ 290 /* Auxiliary functions to decide output alignment or not. */
120 291
121 extern int nds32_target_alignment (rtx_insn *); 292 extern int nds32_target_alignment (rtx_insn *);
293 extern unsigned int nds32_data_alignment (tree, unsigned int);
294 extern unsigned int nds32_local_alignment (tree, unsigned int);
122 295
123 /* Auxiliary functions to expand builtin functions. */ 296 /* Auxiliary functions to expand builtin functions. */
124 297
125 extern void nds32_init_builtins_impl (void); 298 extern void nds32_init_builtins_impl (void);
126 extern rtx nds32_expand_builtin_impl (tree, rtx, rtx, 299 extern rtx nds32_expand_builtin_impl (tree, rtx, rtx,
127 machine_mode, int); 300 machine_mode, int);
301 extern tree nds32_builtin_decl_impl (unsigned, bool);
128 302
129 /* Auxiliary functions for ISR implementation. */ 303 /* Auxiliary functions for ISR implementation. */
130 304
131 extern void nds32_check_isr_attrs_conflict (tree, tree); 305 extern void nds32_check_isr_attrs_conflict (tree, tree);
132 extern void nds32_construct_isr_vectors_information (tree, const char *); 306 extern void nds32_construct_isr_vectors_information (tree, const char *);
133 extern void nds32_asm_file_start_for_isr (void); 307 extern void nds32_asm_file_start_for_isr (void);
134 extern void nds32_asm_file_end_for_isr (void); 308 extern void nds32_asm_file_end_for_isr (void);
135 extern bool nds32_isr_function_p (tree); 309 extern bool nds32_isr_function_p (tree);
310 extern bool nds32_isr_function_critical_p (tree);
136 311
137 /* Auxiliary functions for cost calculation. */ 312 /* Auxiliary functions for cost calculation. */
138 313
314 extern void nds32_init_rtx_costs (void);
139 extern bool nds32_rtx_costs_impl (rtx, machine_mode, int, int, int *, bool); 315 extern bool nds32_rtx_costs_impl (rtx, machine_mode, int, int, int *, bool);
140 extern int nds32_address_cost_impl (rtx, machine_mode, addr_space_t, bool); 316 extern int nds32_address_cost_impl (rtx, machine_mode, addr_space_t, bool);
141 317
318 /* Auxiliary functions for pre-define marco. */
319 extern void nds32_cpu_cpp_builtins(struct cpp_reader *);
320
321 /* Auxiliary functions for const_vector's constraints. */
322
323 extern HOST_WIDE_INT const_vector_to_hwint (rtx);
324 extern bool nds32_valid_CVp5_p (rtx);
325 extern bool nds32_valid_CVs5_p (rtx);
326 extern bool nds32_valid_CVs2_p (rtx);
327 extern bool nds32_valid_CVhi_p (rtx);
328
329 /* Auxiliary functions for lwm/smw. */
330
331 extern bool nds32_valid_smw_lwm_base_p (rtx);
332
333 extern bool nds32_split_double_word_load_store_p (rtx *,bool);
334
335 namespace nds32 {
336
337 extern rtx extract_pattern_from_insn (rtx);
338
339 size_t parallel_elements (rtx);
340 rtx parallel_element (rtx, int);
341 bool load_single_p (rtx_insn *);
342 bool store_single_p (rtx_insn *);
343 bool load_double_p (rtx_insn *);
344 bool store_double_p (rtx_insn *);
345 bool store_offset_reg_p (rtx_insn *);
346 bool post_update_insn_p (rtx_insn *);
347 bool immed_offset_p (rtx);
348 int find_post_update_rtx (rtx_insn *);
349 rtx extract_mem_rtx (rtx_insn *);
350 rtx extract_base_reg (rtx_insn *);
351 rtx extract_offset_rtx (rtx_insn *);
352
353 rtx extract_shift_reg (rtx);
354
355 bool movd44_insn_p (rtx_insn *);
356 rtx extract_movd44_odd_reg (rtx_insn *);
357
358 rtx extract_mac_non_acc_rtx (rtx_insn *);
359
360 bool divmod_p (rtx_insn *);
361
362 rtx extract_branch_target_rtx (rtx_insn *);
363 rtx extract_branch_condition_rtx (rtx_insn *);
364 } // namespace nds32
365
366 extern bool nds32_use_load_post_increment(machine_mode);
367
368 /* Functions for create nds32 specific optimization pass. */
369 extern rtl_opt_pass *make_pass_nds32_relax_opt (gcc::context *);
370 extern rtl_opt_pass *make_pass_nds32_fp_as_gp (gcc::context *);
371
142 /* ------------------------------------------------------------------------ */ 372 /* ------------------------------------------------------------------------ */