c, c++: attribute format on a ctor with a vbase [PR101833, PR47634]
[official-gcc.git] / gcc / tree-streamer-in.cc
blob196f19c759f2f878b12751bcd6751aff24e16ccc
1 /* Routines for reading trees from a file stream.
3 Copyright (C) 2011-2022 Free Software Foundation, Inc.
4 Contributed by Diego Novillo <dnovillo@google.com>
6 This file is part of GCC.
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.
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.
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/>. */
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "backend.h"
26 #include "target.h"
27 #include "tree.h"
28 #include "gimple.h"
29 #include "stringpool.h"
30 #include "tree-streamer.h"
31 #include "cgraph.h"
32 #include "builtins.h"
33 #include "gomp-constants.h"
34 #include "stringpool.h"
35 #include "attribs.h"
36 #include "asan.h"
37 #include "opts.h"
40 /* Read a STRING_CST from the string table in DATA_IN using input
41 block IB. */
43 tree
44 streamer_read_string_cst (class data_in *data_in, class lto_input_block *ib)
46 unsigned int len;
47 const char * ptr;
49 ptr = streamer_read_indexed_string (data_in, ib, &len);
50 if (!ptr)
51 return NULL;
52 return build_string (len, ptr);
56 /* Read an IDENTIFIER from the string table in DATA_IN using input
57 block IB. */
59 static tree
60 input_identifier (class data_in *data_in, class lto_input_block *ib)
62 unsigned int len;
63 const char *ptr;
65 ptr = streamer_read_indexed_string (data_in, ib, &len);
66 if (!ptr)
67 return NULL;
68 return get_identifier_with_length (ptr, len);
72 /* Read a chain of tree nodes from input block IB. DATA_IN contains
73 tables and descriptors for the file being read. */
75 static tree
76 streamer_read_chain (class lto_input_block *ib, class data_in *data_in)
78 tree first, prev, curr;
80 /* The chain is written as NULL terminated list of trees. */
81 first = prev = NULL_TREE;
84 curr = stream_read_tree_ref (ib, data_in);
85 if (prev)
86 TREE_CHAIN (prev) = curr;
87 else
88 first = curr;
90 prev = curr;
92 while (curr);
94 return first;
98 /* Unpack all the non-pointer fields of the TS_BASE structure of
99 expression EXPR from bitpack BP. */
101 static inline void
102 unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
104 /* Note that the code for EXPR has already been unpacked to create EXPR in
105 streamer_alloc_tree. */
106 if (!TYPE_P (expr))
108 TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1);
109 TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1);
110 TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
112 /* TREE_PUBLIC is used on types to indicate that the type
113 has a TYPE_CACHED_VALUES vector. This is not streamed out,
114 so we skip it here. */
115 TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1);
117 else
118 bp_unpack_value (bp, 4);
119 TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
120 TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1);
121 if (DECL_P (expr))
123 DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
124 DECL_NAMELESS (expr) = (unsigned) bp_unpack_value (bp, 1);
126 else if (TYPE_P (expr))
127 TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
128 else
129 bp_unpack_value (bp, 1);
130 TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1);
131 if (TYPE_P (expr))
132 TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
133 else
134 TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1);
135 TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1);
136 TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1);
137 if (TREE_CODE (expr) != TREE_BINFO)
138 TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1);
139 else
140 bp_unpack_value (bp, 1);
141 TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1);
142 TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1);
143 if (TYPE_P (expr))
145 if (AGGREGATE_TYPE_P (expr))
146 TYPE_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1);
147 else
148 TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1);
149 #ifndef ACCEL_COMPILER
150 TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8);
151 #endif
153 else if (TREE_CODE (expr) == BIT_FIELD_REF || TREE_CODE (expr) == MEM_REF)
155 REF_REVERSE_STORAGE_ORDER (expr) = (unsigned) bp_unpack_value (bp, 1);
156 bp_unpack_value (bp, 8);
158 else if (TREE_CODE (expr) == SSA_NAME)
160 SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1);
161 bp_unpack_value (bp, 8);
163 else if (TREE_CODE (expr) == CALL_EXPR)
165 CALL_EXPR_BY_DESCRIPTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
166 bp_unpack_value (bp, 8);
168 else
169 bp_unpack_value (bp, 9);
173 /* Unpack all the non-pointer fields of the TS_INT_CST structure of
174 expression EXPR from bitpack BP. */
176 static void
177 unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
179 int i;
180 for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
181 TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp);
185 /* Unpack all the non-pointer fields of the TS_REAL_CST structure of
186 expression EXPR from bitpack BP. */
188 static void
189 unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
191 unsigned i;
192 REAL_VALUE_TYPE r;
194 /* Clear all bits of the real value type so that we can later do
195 bitwise comparisons to see if two values are the same. */
196 memset (&r, 0, sizeof r);
197 r.cl = (unsigned) bp_unpack_value (bp, 2);
198 r.decimal = (unsigned) bp_unpack_value (bp, 1);
199 r.sign = (unsigned) bp_unpack_value (bp, 1);
200 r.signalling = (unsigned) bp_unpack_value (bp, 1);
201 r.canonical = (unsigned) bp_unpack_value (bp, 1);
202 r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS);
203 for (i = 0; i < SIGSZ; i++)
204 r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG);
206 memcpy (TREE_REAL_CST_PTR (expr), &r, sizeof (REAL_VALUE_TYPE));
210 /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
211 expression EXPR from bitpack BP. */
213 static void
214 unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
216 FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> ();
217 fp->mode = as_a <scalar_mode> (bp_unpack_machine_mode (bp));
218 fp->data.low = bp_unpack_var_len_int (bp);
219 fp->data.high = bp_unpack_var_len_int (bp);
220 TREE_FIXED_CST_PTR (expr) = fp;
223 /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
224 of expression EXPR from bitpack BP. */
226 static void
227 unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
229 SET_DECL_MODE (expr, bp_unpack_machine_mode (bp));
230 DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1);
231 DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
232 DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
233 DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
234 DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
235 DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
236 DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
237 DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1);
238 DECL_NOT_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
239 SET_DECL_ALIGN (expr, (unsigned) bp_unpack_var_len_unsigned (bp));
240 #ifdef ACCEL_COMPILER
241 if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment)
242 SET_DECL_ALIGN (expr, targetm.absolute_biggest_alignment);
243 #endif
244 if (TREE_CODE (expr) == LABEL_DECL)
246 EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp);
248 /* Always assume an initial value of -1 for LABEL_DECL_UID to
249 force gimple_set_bb to recreate label_to_block_map. */
250 LABEL_DECL_UID (expr) = -1;
253 else if (TREE_CODE (expr) == FIELD_DECL)
255 DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
256 DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
257 DECL_PADDING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
258 unsigned val = (unsigned) bp_unpack_value (bp, 1);
259 if (DECL_BIT_FIELD (expr))
260 SET_DECL_FIELD_CXX_ZERO_WIDTH_BIT_FIELD (expr, val);
261 else
262 SET_DECL_FIELD_ABI_IGNORED (expr, val);
263 expr->decl_common.off_align = bp_unpack_value (bp, 8);
266 else if (VAR_P (expr))
268 DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
269 DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1);
272 else if (TREE_CODE (expr) == PARM_DECL)
273 DECL_HIDDEN_STRING_LENGTH (expr) = (unsigned) bp_unpack_value (bp, 1);
275 if (TREE_CODE (expr) == RESULT_DECL
276 || TREE_CODE (expr) == PARM_DECL
277 || VAR_P (expr))
279 DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1);
280 if (VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
281 DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
286 /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
287 of expression EXPR from bitpack BP. */
289 static void
290 unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
292 DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
296 /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
297 of expression EXPR from bitpack BP. */
299 static void
300 unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
302 DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1);
303 DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
304 DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1);
305 DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
306 DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1);
307 DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2);
308 DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1);
310 if (VAR_P (expr))
312 DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
313 DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1);
316 if (TREE_CODE (expr) == FUNCTION_DECL)
318 DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
319 DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
320 DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
325 /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
326 of expression EXPR from bitpack BP. */
328 static void
329 unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
331 built_in_class cl = bp_unpack_enum (bp, built_in_class, BUILT_IN_LAST);
332 DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
333 DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
334 DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
335 DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1);
336 DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1);
337 DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1);
338 DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1);
339 FUNCTION_DECL_DECL_TYPE (expr) = (function_decl_type) bp_unpack_value (bp, 2);
340 DECL_SET_IS_OPERATOR_DELETE (expr, (unsigned) bp_unpack_value (bp, 1));
341 DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
342 DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1);
343 DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
344 DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr)
345 = (unsigned) bp_unpack_value (bp, 1);
346 DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1);
347 DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1);
348 DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
349 DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
350 DECL_IS_REPLACEABLE_OPERATOR (expr) = (unsigned) bp_unpack_value (bp, 1);
351 unsigned int fcode = 0;
352 if (cl != NOT_BUILT_IN)
354 fcode = bp_unpack_value (bp, 32);
355 if (cl == BUILT_IN_NORMAL && fcode >= END_BUILTINS)
356 fatal_error (input_location,
357 "machine independent builtin code out of range");
358 else if (cl == BUILT_IN_MD)
360 tree result = targetm.builtin_decl (fcode, true);
361 if (!result || result == error_mark_node)
362 fatal_error (input_location,
363 "target specific builtin not available");
366 set_decl_built_in_function (expr, cl, fcode);
370 /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
371 of expression EXPR from bitpack BP. */
373 static void
374 unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
376 machine_mode mode;
378 mode = bp_unpack_machine_mode (bp);
379 SET_TYPE_MODE (expr, mode);
380 /* TYPE_NO_FORCE_BLK is private to stor-layout and need
381 no streaming. */
382 TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
383 TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1);
384 TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
385 TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
386 TYPE_LANG_FLAG_0 (expr) = (unsigned) bp_unpack_value (bp, 1);
387 if (RECORD_OR_UNION_TYPE_P (expr))
389 TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1);
390 TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
391 TYPE_CXX_ODR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
393 else if (TREE_CODE (expr) == ARRAY_TYPE)
394 TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1);
395 if (TREE_CODE (expr) == ARRAY_TYPE || TREE_CODE (expr) == INTEGER_TYPE)
396 TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
397 if (AGGREGATE_TYPE_P (expr))
398 TYPE_TYPELESS_STORAGE (expr) = (unsigned) bp_unpack_value (bp, 1);
399 TYPE_EMPTY_P (expr) = (unsigned) bp_unpack_value (bp, 1);
400 TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp);
401 SET_TYPE_ALIGN (expr, bp_unpack_var_len_unsigned (bp));
402 #ifdef ACCEL_COMPILER
403 if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment)
404 SET_TYPE_ALIGN (expr, targetm.absolute_biggest_alignment);
405 #endif
409 /* Unpack all the non-pointer fields of the TS_BLOCK structure
410 of expression EXPR from bitpack BP. */
412 static void
413 unpack_ts_block_value_fields (class data_in *data_in,
414 struct bitpack_d *bp, tree expr)
416 /* BLOCK_NUMBER is recomputed. */
417 stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in);
420 /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
421 structure of expression EXPR from bitpack BP. */
423 static void
424 unpack_ts_translation_unit_decl_value_fields (class data_in *data_in,
425 struct bitpack_d *bp, tree expr)
427 TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp));
428 vec_safe_push (all_translation_units, expr);
432 /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE
433 structure of expression EXPR from bitpack BP. */
435 static void
436 unpack_ts_omp_clause_value_fields (class data_in *data_in,
437 struct bitpack_d *bp, tree expr)
439 stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in);
440 switch (OMP_CLAUSE_CODE (expr))
442 case OMP_CLAUSE_DEFAULT:
443 OMP_CLAUSE_DEFAULT_KIND (expr)
444 = bp_unpack_enum (bp, omp_clause_default_kind,
445 OMP_CLAUSE_DEFAULT_LAST);
446 break;
447 case OMP_CLAUSE_SCHEDULE:
448 OMP_CLAUSE_SCHEDULE_KIND (expr)
449 = bp_unpack_enum (bp, omp_clause_schedule_kind,
450 OMP_CLAUSE_SCHEDULE_LAST);
451 break;
452 case OMP_CLAUSE_DEPEND:
453 OMP_CLAUSE_DEPEND_KIND (expr)
454 = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST);
455 break;
456 case OMP_CLAUSE_MAP:
457 OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind,
458 GOMP_MAP_LAST));
459 break;
460 case OMP_CLAUSE_PROC_BIND:
461 OMP_CLAUSE_PROC_BIND_KIND (expr)
462 = bp_unpack_enum (bp, omp_clause_proc_bind_kind,
463 OMP_CLAUSE_PROC_BIND_LAST);
464 break;
465 case OMP_CLAUSE_REDUCTION:
466 case OMP_CLAUSE_TASK_REDUCTION:
467 case OMP_CLAUSE_IN_REDUCTION:
468 OMP_CLAUSE_REDUCTION_CODE (expr)
469 = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES);
470 break;
471 default:
472 break;
477 /* Read all the language-independent bitfield values for EXPR from IB.
478 Return the partially unpacked bitpack so the caller can unpack any other
479 bitfield values that the writer may have written. */
481 void
482 streamer_read_tree_bitfields (class lto_input_block *ib,
483 class data_in *data_in, tree expr)
485 enum tree_code code;
486 struct bitpack_d bp;
488 /* Read the bitpack of non-pointer values from IB. */
489 bp = streamer_read_bitpack (ib);
491 /* The first word in BP contains the code of the tree that we
492 are about to read. */
493 if (streamer_debugging)
495 code = (enum tree_code) bp_unpack_value (&bp, 16);
496 lto_tag_check (lto_tree_code_to_tag (code),
497 lto_tree_code_to_tag (TREE_CODE (expr)));
499 code = TREE_CODE (expr);
501 /* Note that all these functions are highly sensitive to changes in
502 the types and sizes of each of the fields being packed. */
503 unpack_ts_base_value_fields (&bp, expr);
505 if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
506 unpack_ts_int_cst_value_fields (&bp, expr);
508 if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
509 unpack_ts_real_cst_value_fields (&bp, expr);
511 if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
512 unpack_ts_fixed_cst_value_fields (&bp, expr);
514 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
515 stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in);
517 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
518 unpack_ts_decl_common_value_fields (&bp, expr);
520 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
521 unpack_ts_decl_wrtl_value_fields (&bp, expr);
523 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
524 unpack_ts_decl_with_vis_value_fields (&bp, expr);
526 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
527 unpack_ts_function_decl_value_fields (&bp, expr);
529 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
530 unpack_ts_type_common_value_fields (&bp, expr);
532 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
534 stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in);
535 if (code == MEM_REF
536 || code == TARGET_MEM_REF)
538 MR_DEPENDENCE_CLIQUE (expr)
539 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
540 if (MR_DEPENDENCE_CLIQUE (expr) != 0)
541 MR_DEPENDENCE_BASE (expr)
542 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
544 else if (code == CALL_EXPR)
545 CALL_EXPR_IFN (expr) = bp_unpack_enum (&bp, internal_fn, IFN_LAST);
548 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
549 unpack_ts_block_value_fields (data_in, &bp, expr);
551 if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
552 unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr);
554 if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
555 cl_optimization_stream_in (data_in, &bp, TREE_OPTIMIZATION (expr));
557 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
559 CLOBBER_KIND (expr)
560 = bp_unpack_enum (&bp, clobber_kind, CLOBBER_LAST);
561 unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp);
562 if (length > 0)
563 vec_safe_grow (CONSTRUCTOR_ELTS (expr), length, true);
566 #ifndef ACCEL_COMPILER
567 if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
569 cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr));
570 if (targetm.target_option.post_stream_in)
571 targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr));
573 #endif
575 if (code == OMP_CLAUSE)
576 unpack_ts_omp_clause_value_fields (data_in, &bp, expr);
580 /* Materialize a new tree from input block IB using descriptors in
581 DATA_IN. The code for the new tree should match TAG. Store in
582 *IX_P the index into the reader cache where the new tree is stored. */
584 tree
585 streamer_alloc_tree (class lto_input_block *ib, class data_in *data_in,
586 enum LTO_tags tag)
588 enum tree_code code;
589 tree result;
591 result = NULL_TREE;
593 code = lto_tag_to_tree_code (tag);
595 /* We should never see an SSA_NAME tree. Only the version numbers of
596 SSA names are ever written out. See input_ssa_names. */
597 gcc_assert (code != SSA_NAME);
599 /* Instantiate a new tree using the header data. */
600 if (CODE_CONTAINS_STRUCT (code, TS_STRING))
601 result = streamer_read_string_cst (data_in, ib);
602 else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
603 result = input_identifier (data_in, ib);
604 else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
606 HOST_WIDE_INT len = streamer_read_hwi (ib);
607 result = make_tree_vec (len);
609 else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
611 bitpack_d bp = streamer_read_bitpack (ib);
612 unsigned int log2_npatterns = bp_unpack_value (&bp, 8);
613 unsigned int nelts_per_pattern = bp_unpack_value (&bp, 8);
614 result = make_vector (log2_npatterns, nelts_per_pattern);
616 else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
618 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
619 result = make_tree_binfo (len);
621 else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
623 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
624 unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib);
625 result = make_int_cst (len, ext_len);
627 else if (code == CALL_EXPR)
629 unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib);
630 return build_vl_exp (CALL_EXPR, nargs + 3);
632 else if (code == OMP_CLAUSE)
634 enum omp_clause_code subcode
635 = (enum omp_clause_code) streamer_read_uhwi (ib);
636 return build_omp_clause (UNKNOWN_LOCATION, subcode);
638 else
640 /* For all other nodes, materialize the tree with a raw
641 make_node call. */
642 result = make_node (code);
645 return result;
649 /* Read all pointer fields in the TS_COMMON structure of EXPR from input
650 block IB. DATA_IN contains tables and descriptors for the
651 file being read. */
654 static void
655 lto_input_ts_common_tree_pointers (class lto_input_block *ib,
656 class data_in *data_in, tree expr)
658 if (TREE_CODE (expr) != IDENTIFIER_NODE)
659 TREE_TYPE (expr) = stream_read_tree_ref (ib, data_in);
663 /* Read all pointer fields in the TS_VECTOR structure of EXPR from input
664 block IB. DATA_IN contains tables and descriptors for the
665 file being read. */
667 static void
668 lto_input_ts_vector_tree_pointers (class lto_input_block *ib,
669 class data_in *data_in, tree expr)
671 unsigned int count = vector_cst_encoded_nelts (expr);
672 for (unsigned int i = 0; i < count; ++i)
673 VECTOR_CST_ENCODED_ELT (expr, i) = stream_read_tree_ref (ib, data_in);
677 /* Read all pointer fields in the TS_POLY_INT_CST structure of EXPR from
678 input block IB. DATA_IN contains tables and descriptors for the
679 file being read. */
681 static void
682 lto_input_ts_poly_tree_pointers (class lto_input_block *ib,
683 class data_in *data_in, tree expr)
685 for (unsigned int i = 0; i < NUM_POLY_INT_COEFFS; ++i)
686 POLY_INT_CST_COEFF (expr, i) = stream_read_tree_ref (ib, data_in);
690 /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
691 block IB. DATA_IN contains tables and descriptors for the
692 file being read. */
694 static void
695 lto_input_ts_complex_tree_pointers (class lto_input_block *ib,
696 class data_in *data_in, tree expr)
698 TREE_REALPART (expr) = stream_read_tree_ref (ib, data_in);
699 TREE_IMAGPART (expr) = stream_read_tree_ref (ib, data_in);
703 /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
704 from input block IB. DATA_IN contains tables and descriptors for the
705 file being read. */
707 static void
708 lto_input_ts_decl_minimal_tree_pointers (class lto_input_block *ib,
709 class data_in *data_in, tree expr)
711 DECL_NAME (expr) = stream_read_tree_ref (ib, data_in);
712 DECL_CONTEXT (expr) = stream_read_tree_ref (ib, data_in);
716 /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
717 input block IB. DATA_IN contains tables and descriptors for the
718 file being read. */
720 static void
721 lto_input_ts_decl_common_tree_pointers (class lto_input_block *ib,
722 class data_in *data_in, tree expr)
724 DECL_SIZE (expr) = stream_read_tree_ref (ib, data_in);
725 DECL_SIZE_UNIT (expr) = stream_read_tree_ref (ib, data_in);
726 DECL_ATTRIBUTES (expr) = stream_read_tree_ref (ib, data_in);
727 DECL_ABSTRACT_ORIGIN (expr) = stream_read_tree_ref (ib, data_in);
729 if ((VAR_P (expr) || TREE_CODE (expr) == PARM_DECL)
730 && DECL_HAS_VALUE_EXPR_P (expr))
731 SET_DECL_VALUE_EXPR (expr, stream_read_tree_ref (ib, data_in));
733 if (VAR_P (expr)
734 && DECL_HAS_DEBUG_EXPR_P (expr))
736 tree dexpr = stream_read_tree_ref (ib, data_in);
737 if (dexpr)
738 SET_DECL_DEBUG_EXPR (expr, dexpr);
743 /* Read all pointer fields in the TS_DECL_NON_COMMON structure of
744 EXPR from input block IB. DATA_IN contains tables and descriptors for the
745 file being read. */
747 static void
748 lto_input_ts_decl_non_common_tree_pointers (class lto_input_block *,
749 class data_in *, tree)
754 /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
755 from input block IB. DATA_IN contains tables and descriptors for the
756 file being read. */
758 static void
759 lto_input_ts_decl_with_vis_tree_pointers (class lto_input_block *ib,
760 class data_in *data_in, tree expr)
762 tree id;
764 id = stream_read_tree_ref (ib, data_in);
765 if (id)
767 gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
768 SET_DECL_ASSEMBLER_NAME (expr, id);
773 /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
774 input block IB. DATA_IN contains tables and descriptors for the
775 file being read. */
777 static void
778 lto_input_ts_field_decl_tree_pointers (class lto_input_block *ib,
779 class data_in *data_in, tree expr)
781 DECL_FIELD_OFFSET (expr) = stream_read_tree_ref (ib, data_in);
782 DECL_BIT_FIELD_TYPE (expr) = stream_read_tree_ref (ib, data_in);
783 DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree_ref (ib, data_in);
784 DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree_ref (ib, data_in);
788 /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
789 from input block IB. DATA_IN contains tables and descriptors for the
790 file being read. */
792 static void
793 lto_input_ts_function_decl_tree_pointers (class lto_input_block *ib,
794 class data_in *data_in, tree expr)
796 /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */
797 DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree_ref (ib, data_in);
798 #ifndef ACCEL_COMPILER
799 DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree_ref (ib, data_in);
800 #endif
801 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr)
802 = stream_read_tree_ref (ib, data_in);
803 #ifdef ACCEL_COMPILER
805 tree opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr);
806 if (opts)
808 struct gcc_options tmp, tmp_set;
809 init_options_struct (&tmp, NULL);
810 memset (&tmp_set, 0, sizeof (tmp_set));
811 cl_optimization_restore (&tmp, &tmp_set, TREE_OPTIMIZATION (opts));
812 finish_options (&tmp, &tmp_set, UNKNOWN_LOCATION);
813 opts = build_optimization_node (&tmp, &tmp_set);
814 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = opts;
817 #endif
821 /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
822 input block IB. DATA_IN contains tables and descriptors for the file
823 being read. */
825 static void
826 lto_input_ts_type_common_tree_pointers (class lto_input_block *ib,
827 class data_in *data_in, tree expr)
829 TYPE_SIZE (expr) = stream_read_tree_ref (ib, data_in);
830 TYPE_SIZE_UNIT (expr) = stream_read_tree_ref (ib, data_in);
831 TYPE_ATTRIBUTES (expr) = stream_read_tree_ref (ib, data_in);
832 TYPE_NAME (expr) = stream_read_tree_ref (ib, data_in);
833 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
834 reconstructed during fixup. */
835 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
836 during fixup. */
837 TYPE_MAIN_VARIANT (expr) = stream_read_tree_ref (ib, data_in);
838 TYPE_CONTEXT (expr) = stream_read_tree_ref (ib, data_in);
839 /* TYPE_CANONICAL gets re-computed during type merging. */
840 TYPE_CANONICAL (expr) = NULL_TREE;
843 /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
844 from input block IB. DATA_IN contains tables and descriptors for the
845 file being read. */
847 static void
848 lto_input_ts_type_non_common_tree_pointers (class lto_input_block *ib,
849 class data_in *data_in,
850 tree expr)
852 if (TREE_CODE (expr) == ARRAY_TYPE)
853 TYPE_DOMAIN (expr) = stream_read_tree_ref (ib, data_in);
854 else if (RECORD_OR_UNION_TYPE_P (expr))
855 TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in);
856 else if (TREE_CODE (expr) == FUNCTION_TYPE
857 || TREE_CODE (expr) == METHOD_TYPE)
858 TYPE_ARG_TYPES (expr) = stream_read_tree_ref (ib, data_in);
860 if (!POINTER_TYPE_P (expr))
861 TYPE_MIN_VALUE_RAW (expr) = stream_read_tree_ref (ib, data_in);
862 TYPE_MAX_VALUE_RAW (expr) = stream_read_tree_ref (ib, data_in);
866 /* Read all pointer fields in the TS_LIST structure of EXPR from input
867 block IB. DATA_IN contains tables and descriptors for the
868 file being read. */
870 static void
871 lto_input_ts_list_tree_pointers (class lto_input_block *ib,
872 class data_in *data_in, tree expr)
874 TREE_PURPOSE (expr) = stream_read_tree_ref (ib, data_in);
875 TREE_VALUE (expr) = stream_read_tree_ref (ib, data_in);
876 TREE_CHAIN (expr) = stream_read_tree_ref (ib, data_in);
880 /* Read all pointer fields in the TS_VEC structure of EXPR from input
881 block IB. DATA_IN contains tables and descriptors for the
882 file being read. */
884 static void
885 lto_input_ts_vec_tree_pointers (class lto_input_block *ib,
886 class data_in *data_in, tree expr)
888 int i;
890 /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
891 instantiate EXPR. */
892 for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
893 TREE_VEC_ELT (expr, i) = stream_read_tree_ref (ib, data_in);
897 /* Read all pointer fields in the TS_EXP structure of EXPR from input
898 block IB. DATA_IN contains tables and descriptors for the
899 file being read. */
902 static void
903 lto_input_ts_exp_tree_pointers (class lto_input_block *ib,
904 class data_in *data_in, tree expr)
906 int i;
907 tree block;
909 for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
910 TREE_OPERAND (expr, i) = stream_read_tree_ref (ib, data_in);
912 block = stream_read_tree_ref (ib, data_in);
914 /* TODO: Block is stored in the locus information. It may make more sense to
915 to make it go via the location cache. */
916 if (block)
918 data_in->location_cache.apply_location_cache ();
919 TREE_SET_BLOCK (expr, block);
924 /* Read all pointer fields in the TS_BLOCK structure of EXPR from input
925 block IB. DATA_IN contains tables and descriptors for the
926 file being read. */
928 static void
929 lto_input_ts_block_tree_pointers (class lto_input_block *ib,
930 class data_in *data_in, tree expr)
932 BLOCK_VARS (expr) = streamer_read_chain (ib, data_in);
934 BLOCK_SUPERCONTEXT (expr) = stream_read_tree_ref (ib, data_in);
935 BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree_ref (ib, data_in);
936 /* We may end up prevailing a decl with DECL_ORIGIN (t) != t here
937 which breaks the invariant that BLOCK_ABSTRACT_ORIGIN is the
938 ultimate origin. Fixup here.
939 ??? This should get fixed with moving to DIE references. */
940 if (DECL_P (BLOCK_ORIGIN (expr)))
941 BLOCK_ABSTRACT_ORIGIN (expr) = DECL_ORIGIN (BLOCK_ABSTRACT_ORIGIN (expr));
942 /* Do not stream BLOCK_NONLOCALIZED_VARS. We cannot handle debug information
943 for early inlined BLOCKs so drop it on the floor instead of ICEing in
944 dwarf2out.cc. */
946 /* BLOCK_FRAGMENT_ORIGIN and BLOCK_FRAGMENT_CHAIN is not live at LTO
947 streaming time. */
949 /* We re-compute BLOCK_SUBBLOCKS of our parent here instead
950 of streaming it. For non-BLOCK BLOCK_SUPERCONTEXTs we still
951 stream the child relationship explicitly. */
952 if (BLOCK_SUPERCONTEXT (expr)
953 && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == BLOCK)
955 BLOCK_CHAIN (expr) = BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr));
956 BLOCK_SUBBLOCKS (BLOCK_SUPERCONTEXT (expr)) = expr;
959 /* The global block is rooted at the TU decl. Hook it here to
960 avoid the need to stream in this block during WPA time. */
961 else if (BLOCK_SUPERCONTEXT (expr)
962 && TREE_CODE (BLOCK_SUPERCONTEXT (expr)) == TRANSLATION_UNIT_DECL)
963 DECL_INITIAL (BLOCK_SUPERCONTEXT (expr)) = expr;
965 /* The function-level block is connected at the time we read in
966 function bodies for the same reason. */
970 /* Read all pointer fields in the TS_BINFO structure of EXPR from input
971 block IB. DATA_IN contains tables and descriptors for the
972 file being read. */
974 static void
975 lto_input_ts_binfo_tree_pointers (class lto_input_block *ib,
976 class data_in *data_in, tree expr)
978 tree t;
980 /* Note that the number of slots in EXPR was read in
981 streamer_alloc_tree when instantiating EXPR. However, the
982 vector is empty so we cannot rely on vec::length to know how many
983 elements to read. So, this list is emitted as a 0-terminated
984 list on the writer side. */
987 t = stream_read_tree_ref (ib, data_in);
988 if (t)
989 BINFO_BASE_BINFOS (expr)->quick_push (t);
991 while (t);
993 BINFO_OFFSET (expr) = stream_read_tree_ref (ib, data_in);
994 BINFO_VTABLE (expr) = stream_read_tree_ref (ib, data_in);
996 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX,
997 BINFO_BASE_ACCESSES and BINFO_VPTR_INDEX; these are used by C++ FE
998 only. */
1002 /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
1003 input block IB. DATA_IN contains tables and descriptors for the
1004 file being read. */
1006 static void
1007 lto_input_ts_constructor_tree_pointers (class lto_input_block *ib,
1008 class data_in *data_in, tree expr)
1010 unsigned i;
1012 for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++)
1014 constructor_elt e;
1015 e.index = stream_read_tree_ref (ib, data_in);
1016 e.value = stream_read_tree_ref (ib, data_in);
1017 (*CONSTRUCTOR_ELTS (expr))[i] = e;
1022 /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from
1023 input block IB. DATA_IN contains tables and descriptors for the
1024 file being read. */
1026 static void
1027 lto_input_ts_omp_clause_tree_pointers (class lto_input_block *ib,
1028 class data_in *data_in, tree expr)
1030 int i;
1032 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
1033 OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree_ref (ib, data_in);
1034 OMP_CLAUSE_CHAIN (expr) = stream_read_tree_ref (ib, data_in);
1038 /* Read all pointer fields in EXPR from input block IB. DATA_IN
1039 contains tables and descriptors for the file being read. */
1041 void
1042 streamer_read_tree_body (class lto_input_block *ib, class data_in *data_in,
1043 tree expr)
1045 enum tree_code code;
1047 code = TREE_CODE (expr);
1049 if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
1050 lto_input_ts_common_tree_pointers (ib, data_in, expr);
1052 if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
1053 lto_input_ts_vector_tree_pointers (ib, data_in, expr);
1055 if (CODE_CONTAINS_STRUCT (code, TS_POLY_INT_CST))
1056 lto_input_ts_poly_tree_pointers (ib, data_in, expr);
1058 if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
1059 lto_input_ts_complex_tree_pointers (ib, data_in, expr);
1061 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
1062 lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr);
1064 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
1065 lto_input_ts_decl_common_tree_pointers (ib, data_in, expr);
1067 if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
1068 lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr);
1070 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
1071 lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr);
1073 if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
1074 lto_input_ts_field_decl_tree_pointers (ib, data_in, expr);
1076 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
1077 lto_input_ts_function_decl_tree_pointers (ib, data_in, expr);
1079 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
1080 lto_input_ts_type_common_tree_pointers (ib, data_in, expr);
1082 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
1083 lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr);
1085 if (CODE_CONTAINS_STRUCT (code, TS_LIST))
1086 lto_input_ts_list_tree_pointers (ib, data_in, expr);
1088 if (CODE_CONTAINS_STRUCT (code, TS_VEC))
1089 lto_input_ts_vec_tree_pointers (ib, data_in, expr);
1091 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
1092 lto_input_ts_exp_tree_pointers (ib, data_in, expr);
1094 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
1095 lto_input_ts_block_tree_pointers (ib, data_in, expr);
1097 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
1098 lto_input_ts_binfo_tree_pointers (ib, data_in, expr);
1100 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
1101 lto_input_ts_constructor_tree_pointers (ib, data_in, expr);
1103 if (code == OMP_CLAUSE)
1104 lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr);
1108 /* Read an index IX from input block IB and return the tree node at
1109 DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
1111 tree
1112 streamer_get_pickled_tree (class lto_input_block *ib, class data_in *data_in)
1114 unsigned HOST_WIDE_INT ix;
1115 tree result;
1116 enum LTO_tags expected_tag;
1118 ix = streamer_read_uhwi (ib);
1119 result = streamer_tree_cache_get_tree (data_in->reader_cache, ix);
1121 if (streamer_debugging)
1123 expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS);
1124 gcc_assert (result
1125 && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag));
1128 return result;