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5fd1486c | 1 | /* brig-code-entry-handler.h -- a gccbrig base class |
99dee823 | 2 | Copyright (C) 2016-2021 Free Software Foundation, Inc. |
5fd1486c PJ |
3 | Contributed by Pekka Jaaskelainen <pekka.jaaskelainen@parmance.com> |
4 | for General Processor Tech. | |
5 | ||
6 | This file is part of GCC. | |
7 | ||
8 | GCC is free software; you can redistribute it and/or modify it under | |
9 | the terms of the GNU General Public License as published by the Free | |
10 | Software Foundation; either version 3, or (at your option) any later | |
11 | version. | |
12 | ||
13 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
14 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
15 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
16 | 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 | #ifndef GCC_BRIG_CODE_ENTRY_HANDLER_H | |
23 | #define GCC_BRIG_CODE_ENTRY_HANDLER_H | |
24 | ||
25 | #include "brig-to-generic.h" | |
26 | ||
27 | #include <map> | |
28 | #include <vector> | |
29 | ||
30 | class tree_element_unary_visitor; | |
31 | ||
32 | /* An interface to organize the different types of element handlers | |
33 | for the code section. */ | |
34 | ||
35 | class brig_code_entry_handler : public brig_entry_handler | |
36 | { | |
37 | public: | |
5fd1486c PJ |
38 | brig_code_entry_handler (brig_to_generic &parent); |
39 | ||
40 | /* Handles the brig_code data at the given pointer and adds it to the | |
41 | currently built tree. Returns the number of consumed bytes. */ | |
42 | ||
43 | virtual size_t operator () (const BrigBase *base) = 0; | |
44 | ||
45 | void append_statement (tree stmt); | |
46 | ||
47 | protected: | |
48 | ||
49 | tree get_tree_expr_type_for_hsa_type (BrigType16_t brig_type) const; | |
50 | tree get_tree_cst_for_hsa_operand (const BrigOperandConstantBytes *brigConst, | |
51 | tree type) const; | |
5fd1486c PJ |
52 | tree get_comparison_result_type (tree source_type); |
53 | ||
54 | tree build_code_ref (const BrigBase &ref); | |
55 | ||
56 | tree build_tree_operand (const BrigInstBase &brig_inst, | |
57 | const BrigBase &operand, | |
58 | tree operand_type = NULL_TREE, | |
59 | bool is_input = false); | |
60 | ||
61 | tree build_address_operand (const BrigInstBase &brig_inst, | |
62 | const BrigOperandAddress &addr_operand); | |
63 | ||
64 | tree build_tree_operand_from_brig (const BrigInstBase *brig_inst, | |
65 | tree operand_type, size_t operand_index); | |
66 | ||
67 | tree build_tree_cst_element (BrigType16_t element_type, | |
68 | const unsigned char *next_data) const; | |
69 | ||
70 | bool needs_workitem_context_data (BrigOpcode16_t brig_opcode) const; | |
71 | ||
5fd1486c PJ |
72 | tree add_temp_var (std::string name, tree expr); |
73 | ||
74 | tree build_f2h_conversion (tree source); | |
75 | tree build_h2f_conversion (tree source); | |
76 | ||
77 | tree_stl_vec build_operands (const BrigInstBase &brig_inst); | |
dc03239c | 78 | void analyze_operands (const BrigInstBase &brig_inst); |
5fd1486c PJ |
79 | tree build_output_assignment (const BrigInstBase &brig_inst, tree output, |
80 | tree inst_expr); | |
81 | ||
82 | tree apply_to_all_elements (tree_element_unary_visitor &visitor, | |
83 | tree operand); | |
84 | ||
85 | HOST_WIDE_INT int_constant_value (tree node); | |
86 | ||
87 | tree extend_int (tree input, tree dest_type, tree src_type); | |
88 | ||
dc03239c HL |
89 | private: |
90 | ||
91 | tree_stl_vec build_or_analyze_operands (const BrigInstBase &brig_inst, | |
92 | bool analyze); | |
5fd1486c PJ |
93 | }; |
94 | ||
95 | /* Implement the Visitor software pattern for performing various actions on | |
96 | elements of vector operands. This enables separating the vector element | |
97 | traversal/extraction/packing code from whatever different actions are | |
98 | performed to each element. */ | |
99 | ||
100 | class tree_element_unary_visitor | |
101 | { | |
102 | public: | |
103 | tree operator () (brig_code_entry_handler &handler, tree operand); | |
104 | ||
105 | /* Performs an action to a single element, which can have originally | |
106 | been a vector element or a scalar. */ | |
107 | ||
108 | virtual tree visit_element (brig_code_entry_handler &handler, tree operand) | |
109 | = 0; | |
110 | }; | |
111 | ||
112 | class tree_element_binary_visitor | |
113 | { | |
114 | public: | |
115 | tree operator () (brig_code_entry_handler &handler, tree operand0, | |
116 | tree operand1); | |
117 | ||
118 | /* Performs an action to a pair of elements, which can have originally | |
119 | been a vector element or a scalar. */ | |
120 | ||
121 | virtual tree visit_element (brig_code_entry_handler &handler, tree operand0, | |
122 | tree operand1) | |
123 | = 0; | |
124 | }; | |
125 | ||
126 | /* Visitor for flushing float elements to zero. */ | |
127 | ||
128 | class flush_to_zero : public tree_element_unary_visitor | |
129 | { | |
130 | public: | |
131 | flush_to_zero (bool fp16) : m_fp16 (fp16) | |
132 | { | |
133 | } | |
134 | ||
135 | virtual tree visit_element (brig_code_entry_handler &caller, tree operand); | |
136 | ||
137 | private: | |
138 | ||
139 | /* True if the value should be flushed according to fp16 limits. */ | |
140 | ||
141 | bool m_fp16; | |
142 | }; | |
143 | ||
144 | /* Visitor for converting F16 elements to F32. */ | |
145 | ||
146 | class half_to_float : public tree_element_unary_visitor | |
147 | { | |
148 | public: | |
149 | virtual tree visit_element (brig_code_entry_handler &caller, tree operand); | |
150 | }; | |
151 | ||
152 | /* Visitor for converting F32 elements to F16. */ | |
153 | ||
154 | class float_to_half : public tree_element_unary_visitor | |
155 | { | |
156 | public: | |
157 | virtual tree visit_element (brig_code_entry_handler &caller, tree operand); | |
158 | }; | |
159 | ||
160 | /* A base class for instruction types that support floating point | |
161 | modifiers. | |
162 | ||
163 | operator () delegates to subclasses (template method pattern) in | |
164 | type specific parts. */ | |
165 | ||
166 | class brig_inst_mod_handler : public brig_code_entry_handler | |
167 | { | |
168 | public: | |
169 | brig_inst_mod_handler (brig_to_generic &parent) | |
170 | : brig_code_entry_handler (parent) | |
171 | { | |
172 | } | |
173 | ||
174 | virtual size_t generate (const BrigBase *base); | |
175 | virtual const BrigAluModifier8_t *modifier (const BrigBase *base) const; | |
176 | virtual const BrigRound8_t *round (const BrigBase *base) const; | |
177 | ||
178 | size_t operator () (const BrigBase *base); | |
179 | }; | |
180 | ||
181 | class brig_directive_function_handler : public brig_code_entry_handler | |
182 | { | |
183 | public: | |
184 | brig_directive_function_handler (brig_to_generic &parent) | |
185 | : brig_code_entry_handler (parent) | |
186 | { | |
187 | } | |
188 | size_t operator () (const BrigBase *base); | |
189 | }; | |
190 | ||
191 | class brig_directive_control_handler : public brig_code_entry_handler | |
192 | { | |
193 | public: | |
194 | brig_directive_control_handler (brig_to_generic &parent) | |
195 | : brig_code_entry_handler (parent) | |
196 | { | |
197 | } | |
198 | ||
199 | size_t operator () (const BrigBase *base); | |
200 | }; | |
201 | ||
202 | class brig_directive_variable_handler : public brig_code_entry_handler | |
203 | { | |
204 | public: | |
205 | brig_directive_variable_handler (brig_to_generic &parent) | |
206 | : brig_code_entry_handler (parent) | |
207 | { | |
208 | } | |
209 | ||
210 | size_t operator () (const BrigBase *base); | |
211 | ||
212 | tree build_variable (const BrigDirectiveVariable *brigVar, | |
213 | tree_code var_decltype = VAR_DECL); | |
214 | ||
215 | size_t get_brig_var_alignment (const BrigDirectiveVariable *brigVar); | |
216 | }; | |
217 | ||
218 | class brig_directive_fbarrier_handler : public brig_code_entry_handler | |
219 | { | |
220 | public: | |
221 | brig_directive_fbarrier_handler (brig_to_generic &parent) | |
222 | : brig_code_entry_handler (parent) | |
223 | { | |
224 | } | |
225 | ||
226 | size_t operator () (const BrigBase *base); | |
227 | }; | |
228 | ||
229 | class brig_directive_label_handler : public brig_code_entry_handler | |
230 | { | |
231 | public: | |
232 | brig_directive_label_handler (brig_to_generic &parent) | |
233 | : brig_code_entry_handler (parent) | |
234 | { | |
235 | } | |
236 | ||
237 | size_t operator () (const BrigBase *base); | |
238 | }; | |
239 | ||
240 | class brig_directive_comment_handler : public brig_code_entry_handler | |
241 | { | |
242 | public: | |
243 | brig_directive_comment_handler (brig_to_generic &parent) | |
244 | : brig_code_entry_handler (parent) | |
245 | { | |
246 | } | |
247 | ||
248 | size_t operator () (const BrigBase *base); | |
249 | }; | |
250 | ||
251 | class brig_directive_arg_block_handler : public brig_code_entry_handler | |
252 | { | |
253 | public: | |
254 | brig_directive_arg_block_handler (brig_to_generic &parent) | |
255 | : brig_code_entry_handler (parent) | |
256 | { | |
257 | } | |
258 | ||
259 | size_t operator () (const BrigBase *base); | |
260 | }; | |
261 | ||
262 | class brig_basic_inst_handler : public brig_code_entry_handler | |
263 | { | |
264 | public: | |
265 | brig_basic_inst_handler (brig_to_generic &parent); | |
266 | ||
267 | size_t operator () (const BrigBase *base); | |
268 | ||
269 | private: | |
270 | tree build_lower_element_broadcast (tree vec_operand); | |
271 | ||
272 | bool must_be_scalarized (const BrigInstBase *brig_inst, | |
273 | tree instr_type) const; | |
274 | ||
275 | tree build_inst_expr (BrigOpcode16_t brig_opcode, BrigType16_t brig_type, | |
276 | tree arith_type, tree_stl_vec &operands); | |
277 | ||
278 | tree build_shuffle (tree arith_type, tree_stl_vec &operands); | |
279 | tree build_unpack (tree_stl_vec &operands); | |
280 | tree build_pack (tree_stl_vec &operands); | |
281 | ||
282 | tree build_unpack_lo_or_hi (BrigOpcode16_t brig_opcode, tree arith_type, | |
283 | tree_stl_vec &operands); | |
5fd1486c PJ |
284 | }; |
285 | ||
286 | class brig_cvt_inst_handler : public brig_inst_mod_handler | |
287 | { | |
288 | public: | |
289 | brig_cvt_inst_handler (brig_to_generic &parent) | |
290 | : brig_inst_mod_handler (parent) | |
291 | { | |
292 | } | |
293 | ||
294 | virtual size_t generate (const BrigBase *base); | |
295 | virtual const BrigAluModifier8_t *modifier (const BrigBase *base) const; | |
296 | virtual const BrigRound8_t *round (const BrigBase *base) const; | |
297 | }; | |
298 | ||
299 | class brig_branch_inst_handler : public brig_code_entry_handler | |
300 | { | |
301 | public: | |
302 | brig_branch_inst_handler (brig_to_generic &parent) | |
303 | : brig_code_entry_handler (parent) | |
304 | { | |
305 | } | |
306 | ||
307 | size_t operator () (const BrigBase *base); | |
308 | }; | |
309 | ||
310 | class brig_mem_inst_handler : public brig_code_entry_handler | |
311 | { | |
312 | public: | |
313 | brig_mem_inst_handler (brig_to_generic &parent) | |
314 | : brig_code_entry_handler (parent) | |
315 | { | |
316 | } | |
317 | ||
318 | size_t operator () (const BrigBase *base); | |
319 | ||
320 | private: | |
321 | tree build_mem_access (const BrigInstBase *brig_inst, tree addr, tree data); | |
322 | }; | |
323 | ||
324 | class brig_copy_move_inst_handler : public brig_code_entry_handler | |
325 | { | |
326 | public: | |
327 | brig_copy_move_inst_handler (brig_to_generic &parent) | |
328 | : brig_code_entry_handler (parent) | |
329 | { | |
330 | } | |
331 | ||
332 | size_t operator () (const BrigBase *base); | |
333 | ||
334 | private: | |
335 | size_t handle_lda (const BrigInstBase *base); | |
336 | }; | |
337 | ||
338 | class brig_atomic_inst_handler : public brig_code_entry_handler | |
339 | { | |
340 | private: | |
341 | typedef std::map<std::string, tree> atomic_builtins_map; | |
342 | ||
343 | public: | |
344 | brig_atomic_inst_handler (brig_to_generic &parent); | |
345 | ||
346 | size_t operator () (const BrigBase *base); | |
347 | ||
348 | protected: | |
349 | size_t generate_tree (const BrigInstBase &inst, | |
350 | BrigAtomicOperation8_t atomic_opcode); | |
351 | }; | |
352 | ||
353 | class brig_signal_inst_handler : public brig_atomic_inst_handler | |
354 | { | |
355 | public: | |
356 | brig_signal_inst_handler (brig_to_generic &parent) | |
357 | : brig_atomic_inst_handler (parent) | |
358 | { | |
359 | } | |
360 | size_t operator () (const BrigBase *base); | |
361 | }; | |
362 | ||
363 | class brig_cmp_inst_handler : public brig_code_entry_handler | |
364 | { | |
365 | public: | |
366 | brig_cmp_inst_handler (brig_to_generic &parent) | |
367 | : brig_code_entry_handler (parent) | |
368 | { | |
369 | } | |
370 | ||
371 | size_t operator () (const BrigBase *base); | |
372 | }; | |
373 | ||
374 | class brig_seg_inst_handler : public brig_code_entry_handler | |
375 | { | |
376 | public: | |
377 | brig_seg_inst_handler (brig_to_generic &parent); | |
378 | ||
379 | size_t operator () (const BrigBase *base); | |
380 | }; | |
381 | ||
382 | class brig_lane_inst_handler : public brig_code_entry_handler | |
383 | { | |
384 | public: | |
385 | brig_lane_inst_handler (brig_to_generic &parent); | |
386 | ||
387 | size_t operator () (const BrigBase *base); | |
388 | }; | |
389 | ||
390 | class brig_queue_inst_handler : public brig_code_entry_handler | |
391 | { | |
392 | public: | |
393 | brig_queue_inst_handler (brig_to_generic &parent); | |
394 | ||
395 | size_t operator () (const BrigBase *base); | |
396 | }; | |
397 | ||
398 | class brig_directive_module_handler : public brig_code_entry_handler | |
399 | { | |
400 | public: | |
401 | brig_directive_module_handler (brig_to_generic &parent) | |
402 | : brig_code_entry_handler (parent) | |
403 | { | |
404 | } | |
405 | ||
406 | size_t operator () (const BrigBase *base); | |
407 | }; | |
408 | ||
409 | ||
410 | #endif |