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[official-gcc.git] / gcc / tree-streamer-in.c
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1 /* Routines for reading trees from a file stream.
3 Copyright (C) 2011-2015 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 "diagnostic.h"
26 #include "hash-set.h"
27 #include "machmode.h"
28 #include "vec.h"
29 #include "double-int.h"
30 #include "input.h"
31 #include "alias.h"
32 #include "symtab.h"
33 #include "options.h"
34 #include "wide-int.h"
35 #include "inchash.h"
36 #include "real.h"
37 #include "fixed-value.h"
38 #include "tree.h"
39 #include "fold-const.h"
40 #include "stringpool.h"
41 #include "predict.h"
42 #include "tm.h"
43 #include "hard-reg-set.h"
44 #include "input.h"
45 #include "function.h"
46 #include "basic-block.h"
47 #include "tree-ssa-alias.h"
48 #include "internal-fn.h"
49 #include "gimple-expr.h"
50 #include "is-a.h"
51 #include "gimple.h"
52 #include "hash-map.h"
53 #include "plugin-api.h"
54 #include "ipa-ref.h"
55 #include "cgraph.h"
56 #include "tree-streamer.h"
57 #include "data-streamer.h"
58 #include "streamer-hooks.h"
59 #include "lto-streamer.h"
60 #include "builtins.h"
61 #include "ipa-chkp.h"
62 #include "gomp-constants.h"
65 /* Read a STRING_CST from the string table in DATA_IN using input
66 block IB. */
68 tree
69 streamer_read_string_cst (struct data_in *data_in, struct lto_input_block *ib)
71 unsigned int len;
72 const char * ptr;
74 ptr = streamer_read_indexed_string (data_in, ib, &len);
75 if (!ptr)
76 return NULL;
77 return build_string (len, ptr);
81 /* Read an IDENTIFIER from the string table in DATA_IN using input
82 block IB. */
84 static tree
85 input_identifier (struct data_in *data_in, struct lto_input_block *ib)
87 unsigned int len;
88 const char *ptr;
90 ptr = streamer_read_indexed_string (data_in, ib, &len);
91 if (!ptr)
92 return NULL;
93 return get_identifier_with_length (ptr, len);
97 /* Read a chain of tree nodes from input block IB. DATA_IN contains
98 tables and descriptors for the file being read. */
100 tree
101 streamer_read_chain (struct lto_input_block *ib, struct data_in *data_in)
103 tree first, prev, curr;
105 /* The chain is written as NULL terminated list of trees. */
106 first = prev = NULL_TREE;
109 curr = stream_read_tree (ib, data_in);
110 if (prev)
111 TREE_CHAIN (prev) = curr;
112 else
113 first = curr;
115 prev = curr;
117 while (curr);
119 return first;
123 /* Unpack all the non-pointer fields of the TS_BASE structure of
124 expression EXPR from bitpack BP. */
126 static inline void
127 unpack_ts_base_value_fields (struct bitpack_d *bp, tree expr)
129 /* Note that the code for EXPR has already been unpacked to create EXPR in
130 streamer_alloc_tree. */
131 if (!TYPE_P (expr))
133 TREE_SIDE_EFFECTS (expr) = (unsigned) bp_unpack_value (bp, 1);
134 TREE_CONSTANT (expr) = (unsigned) bp_unpack_value (bp, 1);
135 TREE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
137 /* TREE_PUBLIC is used on types to indicate that the type
138 has a TYPE_CACHED_VALUES vector. This is not streamed out,
139 so we skip it here. */
140 TREE_PUBLIC (expr) = (unsigned) bp_unpack_value (bp, 1);
142 else
143 bp_unpack_value (bp, 4);
144 TREE_ADDRESSABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
145 TREE_THIS_VOLATILE (expr) = (unsigned) bp_unpack_value (bp, 1);
146 if (DECL_P (expr))
147 DECL_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
148 else if (TYPE_P (expr))
149 TYPE_UNSIGNED (expr) = (unsigned) bp_unpack_value (bp, 1);
150 else
151 bp_unpack_value (bp, 1);
152 TREE_ASM_WRITTEN (expr) = (unsigned) bp_unpack_value (bp, 1);
153 if (TYPE_P (expr))
154 TYPE_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
155 else
156 TREE_NO_WARNING (expr) = (unsigned) bp_unpack_value (bp, 1);
157 TREE_NOTHROW (expr) = (unsigned) bp_unpack_value (bp, 1);
158 TREE_STATIC (expr) = (unsigned) bp_unpack_value (bp, 1);
159 if (TREE_CODE (expr) != TREE_BINFO)
160 TREE_PRIVATE (expr) = (unsigned) bp_unpack_value (bp, 1);
161 else
162 bp_unpack_value (bp, 1);
163 TREE_PROTECTED (expr) = (unsigned) bp_unpack_value (bp, 1);
164 TREE_DEPRECATED (expr) = (unsigned) bp_unpack_value (bp, 1);
165 if (TYPE_P (expr))
167 TYPE_SATURATING (expr) = (unsigned) bp_unpack_value (bp, 1);
168 TYPE_ADDR_SPACE (expr) = (unsigned) bp_unpack_value (bp, 8);
170 else if (TREE_CODE (expr) == SSA_NAME)
172 SSA_NAME_IS_DEFAULT_DEF (expr) = (unsigned) bp_unpack_value (bp, 1);
173 bp_unpack_value (bp, 8);
175 else
176 bp_unpack_value (bp, 9);
180 /* Unpack all the non-pointer fields of the TS_INT_CST structure of
181 expression EXPR from bitpack BP. */
183 static void
184 unpack_ts_int_cst_value_fields (struct bitpack_d *bp, tree expr)
186 int i;
187 for (i = 0; i < TREE_INT_CST_EXT_NUNITS (expr); i++)
188 TREE_INT_CST_ELT (expr, i) = bp_unpack_var_len_int (bp);
192 /* Unpack all the non-pointer fields of the TS_REAL_CST structure of
193 expression EXPR from bitpack BP. */
195 static void
196 unpack_ts_real_cst_value_fields (struct bitpack_d *bp, tree expr)
198 unsigned i;
199 REAL_VALUE_TYPE r;
200 REAL_VALUE_TYPE *rp;
202 /* Clear all bits of the real value type so that we can later do
203 bitwise comparisons to see if two values are the same. */
204 memset (&r, 0, sizeof r);
205 r.cl = (unsigned) bp_unpack_value (bp, 2);
206 r.decimal = (unsigned) bp_unpack_value (bp, 1);
207 r.sign = (unsigned) bp_unpack_value (bp, 1);
208 r.signalling = (unsigned) bp_unpack_value (bp, 1);
209 r.canonical = (unsigned) bp_unpack_value (bp, 1);
210 r.uexp = (unsigned) bp_unpack_value (bp, EXP_BITS);
211 for (i = 0; i < SIGSZ; i++)
212 r.sig[i] = (unsigned long) bp_unpack_value (bp, HOST_BITS_PER_LONG);
214 rp = ggc_alloc<real_value> ();
215 memcpy (rp, &r, sizeof (REAL_VALUE_TYPE));
216 TREE_REAL_CST_PTR (expr) = rp;
220 /* Unpack all the non-pointer fields of the TS_FIXED_CST structure of
221 expression EXPR from bitpack BP. */
223 static void
224 unpack_ts_fixed_cst_value_fields (struct bitpack_d *bp, tree expr)
226 FIXED_VALUE_TYPE *fp = ggc_alloc<fixed_value> ();
227 fp->mode = bp_unpack_machine_mode (bp);
228 fp->data.low = bp_unpack_var_len_int (bp);
229 fp->data.high = bp_unpack_var_len_int (bp);
230 TREE_FIXED_CST_PTR (expr) = fp;
233 /* Unpack all the non-pointer fields of the TS_DECL_COMMON structure
234 of expression EXPR from bitpack BP. */
236 static void
237 unpack_ts_decl_common_value_fields (struct bitpack_d *bp, tree expr)
239 DECL_MODE (expr) = bp_unpack_machine_mode (bp);
240 DECL_NONLOCAL (expr) = (unsigned) bp_unpack_value (bp, 1);
241 DECL_VIRTUAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
242 DECL_IGNORED_P (expr) = (unsigned) bp_unpack_value (bp, 1);
243 DECL_ABSTRACT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
244 DECL_ARTIFICIAL (expr) = (unsigned) bp_unpack_value (bp, 1);
245 DECL_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
246 DECL_PRESERVE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
247 DECL_EXTERNAL (expr) = (unsigned) bp_unpack_value (bp, 1);
248 DECL_GIMPLE_REG_P (expr) = (unsigned) bp_unpack_value (bp, 1);
249 DECL_ALIGN (expr) = (unsigned) bp_unpack_var_len_unsigned (bp);
250 #ifdef ACCEL_COMPILER
251 if (DECL_ALIGN (expr) > targetm.absolute_biggest_alignment)
252 DECL_ALIGN (expr) = targetm.absolute_biggest_alignment;
253 #endif
254 if (TREE_CODE (expr) == LABEL_DECL)
256 EH_LANDING_PAD_NR (expr) = (int) bp_unpack_var_len_unsigned (bp);
258 /* Always assume an initial value of -1 for LABEL_DECL_UID to
259 force gimple_set_bb to recreate label_to_block_map. */
260 LABEL_DECL_UID (expr) = -1;
263 if (TREE_CODE (expr) == FIELD_DECL)
265 DECL_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
266 DECL_NONADDRESSABLE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
267 expr->decl_common.off_align = bp_unpack_value (bp, 8);
270 if (TREE_CODE (expr) == VAR_DECL)
272 DECL_HAS_DEBUG_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
273 DECL_NONLOCAL_FRAME (expr) = (unsigned) bp_unpack_value (bp, 1);
276 if (TREE_CODE (expr) == RESULT_DECL
277 || TREE_CODE (expr) == PARM_DECL
278 || TREE_CODE (expr) == VAR_DECL)
280 DECL_BY_REFERENCE (expr) = (unsigned) bp_unpack_value (bp, 1);
281 if (TREE_CODE (expr) == VAR_DECL
282 || TREE_CODE (expr) == PARM_DECL)
283 DECL_HAS_VALUE_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
288 /* Unpack all the non-pointer fields of the TS_DECL_WRTL structure
289 of expression EXPR from bitpack BP. */
291 static void
292 unpack_ts_decl_wrtl_value_fields (struct bitpack_d *bp, tree expr)
294 DECL_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
298 /* Unpack all the non-pointer fields of the TS_DECL_WITH_VIS structure
299 of expression EXPR from bitpack BP. */
301 static void
302 unpack_ts_decl_with_vis_value_fields (struct bitpack_d *bp, tree expr)
304 DECL_COMMON (expr) = (unsigned) bp_unpack_value (bp, 1);
305 DECL_DLLIMPORT_P (expr) = (unsigned) bp_unpack_value (bp, 1);
306 DECL_WEAK (expr) = (unsigned) bp_unpack_value (bp, 1);
307 DECL_SEEN_IN_BIND_EXPR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
308 DECL_COMDAT (expr) = (unsigned) bp_unpack_value (bp, 1);
309 DECL_VISIBILITY (expr) = (enum symbol_visibility) bp_unpack_value (bp, 2);
310 DECL_VISIBILITY_SPECIFIED (expr) = (unsigned) bp_unpack_value (bp, 1);
312 if (TREE_CODE (expr) == VAR_DECL)
314 DECL_HARD_REGISTER (expr) = (unsigned) bp_unpack_value (bp, 1);
315 DECL_IN_CONSTANT_POOL (expr) = (unsigned) bp_unpack_value (bp, 1);
318 if (TREE_CODE (expr) == FUNCTION_DECL)
320 DECL_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
321 DECL_CXX_CONSTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
322 DECL_CXX_DESTRUCTOR_P (expr) = (unsigned) bp_unpack_value (bp, 1);
327 /* Unpack all the non-pointer fields of the TS_FUNCTION_DECL structure
328 of expression EXPR from bitpack BP. */
330 static void
331 unpack_ts_function_decl_value_fields (struct bitpack_d *bp, tree expr)
333 DECL_BUILT_IN_CLASS (expr) = bp_unpack_enum (bp, built_in_class,
334 BUILT_IN_LAST);
335 DECL_STATIC_CONSTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
336 DECL_STATIC_DESTRUCTOR (expr) = (unsigned) bp_unpack_value (bp, 1);
337 DECL_UNINLINABLE (expr) = (unsigned) bp_unpack_value (bp, 1);
338 DECL_POSSIBLY_INLINED (expr) = (unsigned) bp_unpack_value (bp, 1);
339 DECL_IS_NOVOPS (expr) = (unsigned) bp_unpack_value (bp, 1);
340 DECL_IS_RETURNS_TWICE (expr) = (unsigned) bp_unpack_value (bp, 1);
341 DECL_IS_MALLOC (expr) = (unsigned) bp_unpack_value (bp, 1);
342 DECL_IS_OPERATOR_NEW (expr) = (unsigned) bp_unpack_value (bp, 1);
343 DECL_DECLARED_INLINE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
344 DECL_STATIC_CHAIN (expr) = (unsigned) bp_unpack_value (bp, 1);
345 DECL_NO_INLINE_WARNING_P (expr) = (unsigned) bp_unpack_value (bp, 1);
346 DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT (expr)
347 = (unsigned) bp_unpack_value (bp, 1);
348 DECL_NO_LIMIT_STACK (expr) = (unsigned) bp_unpack_value (bp, 1);
349 DECL_DISREGARD_INLINE_LIMITS (expr) = (unsigned) bp_unpack_value (bp, 1);
350 DECL_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
351 DECL_LOOPING_CONST_OR_PURE_P (expr) = (unsigned) bp_unpack_value (bp, 1);
352 if (DECL_BUILT_IN_CLASS (expr) != NOT_BUILT_IN)
354 DECL_FUNCTION_CODE (expr) = (enum built_in_function) bp_unpack_value (bp,
355 12);
356 if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_NORMAL
357 && DECL_FUNCTION_CODE (expr) >= END_BUILTINS)
358 fatal_error (input_location,
359 "machine independent builtin code out of range");
360 else if (DECL_BUILT_IN_CLASS (expr) == BUILT_IN_MD)
362 tree result = targetm.builtin_decl (DECL_FUNCTION_CODE (expr), true);
363 if (!result || result == error_mark_node)
364 fatal_error (input_location,
365 "target specific builtin not available");
371 /* Unpack all the non-pointer fields of the TS_TYPE_COMMON structure
372 of expression EXPR from bitpack BP. */
374 static void
375 unpack_ts_type_common_value_fields (struct bitpack_d *bp, tree expr)
377 machine_mode mode;
379 mode = bp_unpack_machine_mode (bp);
380 SET_TYPE_MODE (expr, mode);
381 TYPE_STRING_FLAG (expr) = (unsigned) bp_unpack_value (bp, 1);
382 TYPE_NO_FORCE_BLK (expr) = (unsigned) bp_unpack_value (bp, 1);
383 TYPE_NEEDS_CONSTRUCTING (expr) = (unsigned) bp_unpack_value (bp, 1);
384 if (RECORD_OR_UNION_TYPE_P (expr))
386 TYPE_TRANSPARENT_AGGR (expr) = (unsigned) bp_unpack_value (bp, 1);
387 TYPE_FINAL_P (expr) = (unsigned) bp_unpack_value (bp, 1);
389 else if (TREE_CODE (expr) == ARRAY_TYPE)
390 TYPE_NONALIASED_COMPONENT (expr) = (unsigned) bp_unpack_value (bp, 1);
391 TYPE_PACKED (expr) = (unsigned) bp_unpack_value (bp, 1);
392 TYPE_RESTRICT (expr) = (unsigned) bp_unpack_value (bp, 1);
393 TYPE_USER_ALIGN (expr) = (unsigned) bp_unpack_value (bp, 1);
394 TYPE_READONLY (expr) = (unsigned) bp_unpack_value (bp, 1);
395 TYPE_PRECISION (expr) = bp_unpack_var_len_unsigned (bp);
396 TYPE_ALIGN (expr) = bp_unpack_var_len_unsigned (bp);
397 #ifdef ACCEL_COMPILER
398 if (TYPE_ALIGN (expr) > targetm.absolute_biggest_alignment)
399 TYPE_ALIGN (expr) = targetm.absolute_biggest_alignment;
400 #endif
401 TYPE_ALIAS_SET (expr) = bp_unpack_var_len_int (bp);
405 /* Unpack all the non-pointer fields of the TS_BLOCK structure
406 of expression EXPR from bitpack BP. */
408 static void
409 unpack_ts_block_value_fields (struct data_in *data_in,
410 struct bitpack_d *bp, tree expr)
412 BLOCK_ABSTRACT (expr) = (unsigned) bp_unpack_value (bp, 1);
413 /* BLOCK_NUMBER is recomputed. */
414 stream_input_location (&BLOCK_SOURCE_LOCATION (expr), bp, data_in);
417 /* Unpack all the non-pointer fields of the TS_TRANSLATION_UNIT_DECL
418 structure of expression EXPR from bitpack BP. */
420 static void
421 unpack_ts_translation_unit_decl_value_fields (struct data_in *data_in,
422 struct bitpack_d *bp, tree expr)
424 TRANSLATION_UNIT_LANGUAGE (expr) = xstrdup (bp_unpack_string (data_in, bp));
425 vec_safe_push (all_translation_units, expr);
429 /* Unpack all the non-pointer fields of the TS_OMP_CLAUSE
430 structure of expression EXPR from bitpack BP. */
432 static void
433 unpack_ts_omp_clause_value_fields (struct data_in *data_in,
434 struct bitpack_d *bp, tree expr)
436 stream_input_location (&OMP_CLAUSE_LOCATION (expr), bp, data_in);
437 switch (OMP_CLAUSE_CODE (expr))
439 case OMP_CLAUSE_DEFAULT:
440 OMP_CLAUSE_DEFAULT_KIND (expr)
441 = bp_unpack_enum (bp, omp_clause_default_kind,
442 OMP_CLAUSE_DEFAULT_LAST);
443 break;
444 case OMP_CLAUSE_SCHEDULE:
445 OMP_CLAUSE_SCHEDULE_KIND (expr)
446 = bp_unpack_enum (bp, omp_clause_schedule_kind,
447 OMP_CLAUSE_SCHEDULE_LAST);
448 break;
449 case OMP_CLAUSE_DEPEND:
450 OMP_CLAUSE_DEPEND_KIND (expr)
451 = bp_unpack_enum (bp, omp_clause_depend_kind, OMP_CLAUSE_DEPEND_LAST);
452 break;
453 case OMP_CLAUSE_MAP:
454 OMP_CLAUSE_SET_MAP_KIND (expr, bp_unpack_enum (bp, gomp_map_kind,
455 GOMP_MAP_LAST));
456 break;
457 case OMP_CLAUSE_PROC_BIND:
458 OMP_CLAUSE_PROC_BIND_KIND (expr)
459 = bp_unpack_enum (bp, omp_clause_proc_bind_kind,
460 OMP_CLAUSE_PROC_BIND_LAST);
461 break;
462 case OMP_CLAUSE_REDUCTION:
463 OMP_CLAUSE_REDUCTION_CODE (expr)
464 = bp_unpack_enum (bp, tree_code, MAX_TREE_CODES);
465 break;
466 default:
467 break;
472 /* Read all the language-independent bitfield values for EXPR from IB.
473 Return the partially unpacked bitpack so the caller can unpack any other
474 bitfield values that the writer may have written. */
476 void
477 streamer_read_tree_bitfields (struct lto_input_block *ib,
478 struct data_in *data_in, tree expr)
480 enum tree_code code;
481 struct bitpack_d bp;
483 /* Read the bitpack of non-pointer values from IB. */
484 bp = streamer_read_bitpack (ib);
486 /* The first word in BP contains the code of the tree that we
487 are about to read. */
488 code = (enum tree_code) bp_unpack_value (&bp, 16);
489 lto_tag_check (lto_tree_code_to_tag (code),
490 lto_tree_code_to_tag (TREE_CODE (expr)));
492 /* Note that all these functions are highly sensitive to changes in
493 the types and sizes of each of the fields being packed. */
494 unpack_ts_base_value_fields (&bp, expr);
496 if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
497 unpack_ts_int_cst_value_fields (&bp, expr);
499 if (CODE_CONTAINS_STRUCT (code, TS_REAL_CST))
500 unpack_ts_real_cst_value_fields (&bp, expr);
502 if (CODE_CONTAINS_STRUCT (code, TS_FIXED_CST))
503 unpack_ts_fixed_cst_value_fields (&bp, expr);
505 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
506 stream_input_location (&DECL_SOURCE_LOCATION (expr), &bp, data_in);
508 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
509 unpack_ts_decl_common_value_fields (&bp, expr);
511 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WRTL))
512 unpack_ts_decl_wrtl_value_fields (&bp, expr);
514 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
515 unpack_ts_decl_with_vis_value_fields (&bp, expr);
517 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
518 unpack_ts_function_decl_value_fields (&bp, expr);
520 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
521 unpack_ts_type_common_value_fields (&bp, expr);
523 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
525 stream_input_location (&EXPR_CHECK (expr)->exp.locus, &bp, data_in);
526 if (code == MEM_REF
527 || code == TARGET_MEM_REF)
529 MR_DEPENDENCE_CLIQUE (expr)
530 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
531 if (MR_DEPENDENCE_CLIQUE (expr) != 0)
532 MR_DEPENDENCE_BASE (expr)
533 = (unsigned)bp_unpack_value (&bp, sizeof (short) * 8);
537 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
538 unpack_ts_block_value_fields (data_in, &bp, expr);
540 if (CODE_CONTAINS_STRUCT (code, TS_TRANSLATION_UNIT_DECL))
541 unpack_ts_translation_unit_decl_value_fields (data_in, &bp, expr);
543 if (CODE_CONTAINS_STRUCT (code, TS_OPTIMIZATION))
544 cl_optimization_stream_in (&bp, TREE_OPTIMIZATION (expr));
546 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
548 unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp);
549 if (length > 0)
550 vec_safe_grow (BINFO_BASE_ACCESSES (expr), length);
553 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
555 unsigned HOST_WIDE_INT length = bp_unpack_var_len_unsigned (&bp);
556 if (length > 0)
557 vec_safe_grow (CONSTRUCTOR_ELTS (expr), length);
560 #ifndef ACCEL_COMPILER
561 if (CODE_CONTAINS_STRUCT (code, TS_TARGET_OPTION))
563 cl_target_option_stream_in (data_in, &bp, TREE_TARGET_OPTION (expr));
564 if (targetm.target_option.post_stream_in)
565 targetm.target_option.post_stream_in (TREE_TARGET_OPTION (expr));
567 #endif
569 if (code == OMP_CLAUSE)
570 unpack_ts_omp_clause_value_fields (data_in, &bp, expr);
574 /* Materialize a new tree from input block IB using descriptors in
575 DATA_IN. The code for the new tree should match TAG. Store in
576 *IX_P the index into the reader cache where the new tree is stored. */
578 tree
579 streamer_alloc_tree (struct lto_input_block *ib, struct data_in *data_in,
580 enum LTO_tags tag)
582 enum tree_code code;
583 tree result;
584 #ifdef LTO_STREAMER_DEBUG
585 HOST_WIDE_INT orig_address_in_writer;
586 #endif
588 result = NULL_TREE;
590 #ifdef LTO_STREAMER_DEBUG
591 /* Read the word representing the memory address for the tree
592 as it was written by the writer. This is useful when
593 debugging differences between the writer and reader. */
594 orig_address_in_writer = streamer_read_hwi (ib);
595 gcc_assert ((intptr_t) orig_address_in_writer == orig_address_in_writer);
596 #endif
598 code = lto_tag_to_tree_code (tag);
600 /* We should never see an SSA_NAME tree. Only the version numbers of
601 SSA names are ever written out. See input_ssa_names. */
602 gcc_assert (code != SSA_NAME);
604 /* Instantiate a new tree using the header data. */
605 if (CODE_CONTAINS_STRUCT (code, TS_STRING))
606 result = streamer_read_string_cst (data_in, ib);
607 else if (CODE_CONTAINS_STRUCT (code, TS_IDENTIFIER))
608 result = input_identifier (data_in, ib);
609 else if (CODE_CONTAINS_STRUCT (code, TS_VEC))
611 HOST_WIDE_INT len = streamer_read_hwi (ib);
612 result = make_tree_vec (len);
614 else if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
616 HOST_WIDE_INT len = streamer_read_hwi (ib);
617 result = make_vector (len);
619 else if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
621 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
622 result = make_tree_binfo (len);
624 else if (CODE_CONTAINS_STRUCT (code, TS_INT_CST))
626 unsigned HOST_WIDE_INT len = streamer_read_uhwi (ib);
627 unsigned HOST_WIDE_INT ext_len = streamer_read_uhwi (ib);
628 result = make_int_cst (len, ext_len);
630 else if (code == CALL_EXPR)
632 unsigned HOST_WIDE_INT nargs = streamer_read_uhwi (ib);
633 return build_vl_exp (CALL_EXPR, nargs + 3);
635 else if (code == OMP_CLAUSE)
637 enum omp_clause_code subcode
638 = (enum omp_clause_code) streamer_read_uhwi (ib);
639 return build_omp_clause (UNKNOWN_LOCATION, subcode);
641 else
643 /* For all other nodes, materialize the tree with a raw
644 make_node call. */
645 result = make_node (code);
648 #ifdef LTO_STREAMER_DEBUG
649 /* Store the original address of the tree as seen by the writer
650 in RESULT's aux field. This is useful when debugging streaming
651 problems. This way, a debugging session can be started on
652 both writer and reader with a breakpoint using this address
653 value in both. */
654 lto_orig_address_map (result, (intptr_t) orig_address_in_writer);
655 #endif
657 return result;
661 /* Read all pointer fields in the TS_COMMON structure of EXPR from input
662 block IB. DATA_IN contains tables and descriptors for the
663 file being read. */
666 static void
667 lto_input_ts_common_tree_pointers (struct lto_input_block *ib,
668 struct data_in *data_in, tree expr)
670 if (TREE_CODE (expr) != IDENTIFIER_NODE)
671 TREE_TYPE (expr) = stream_read_tree (ib, data_in);
675 /* Read all pointer fields in the TS_VECTOR structure of EXPR from input
676 block IB. DATA_IN contains tables and descriptors for the
677 file being read. */
679 static void
680 lto_input_ts_vector_tree_pointers (struct lto_input_block *ib,
681 struct data_in *data_in, tree expr)
683 unsigned i;
684 for (i = 0; i < VECTOR_CST_NELTS (expr); ++i)
685 VECTOR_CST_ELT (expr, i) = stream_read_tree (ib, data_in);
689 /* Read all pointer fields in the TS_COMPLEX structure of EXPR from input
690 block IB. DATA_IN contains tables and descriptors for the
691 file being read. */
693 static void
694 lto_input_ts_complex_tree_pointers (struct lto_input_block *ib,
695 struct data_in *data_in, tree expr)
697 TREE_REALPART (expr) = stream_read_tree (ib, data_in);
698 TREE_IMAGPART (expr) = stream_read_tree (ib, data_in);
702 /* Read all pointer fields in the TS_DECL_MINIMAL structure of EXPR
703 from input block IB. DATA_IN contains tables and descriptors for the
704 file being read. */
706 static void
707 lto_input_ts_decl_minimal_tree_pointers (struct lto_input_block *ib,
708 struct data_in *data_in, tree expr)
710 DECL_NAME (expr) = stream_read_tree (ib, data_in);
711 DECL_CONTEXT (expr) = stream_read_tree (ib, data_in);
715 /* Read all pointer fields in the TS_DECL_COMMON structure of EXPR from
716 input block IB. DATA_IN contains tables and descriptors for the
717 file being read. */
719 static void
720 lto_input_ts_decl_common_tree_pointers (struct lto_input_block *ib,
721 struct data_in *data_in, tree expr)
723 DECL_SIZE (expr) = stream_read_tree (ib, data_in);
724 DECL_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
725 DECL_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
727 /* Do not stream DECL_ABSTRACT_ORIGIN. We cannot handle debug information
728 for early inlining so drop it on the floor instead of ICEing in
729 dwarf2out.c. */
731 if ((TREE_CODE (expr) == VAR_DECL
732 || TREE_CODE (expr) == PARM_DECL)
733 && DECL_HAS_VALUE_EXPR_P (expr))
734 SET_DECL_VALUE_EXPR (expr, stream_read_tree (ib, data_in));
736 if (TREE_CODE (expr) == VAR_DECL)
738 tree dexpr = stream_read_tree (ib, data_in);
739 if (dexpr)
740 SET_DECL_DEBUG_EXPR (expr, dexpr);
745 /* Read all pointer fields in the TS_DECL_NON_COMMON structure of
746 EXPR from input block IB. DATA_IN contains tables and descriptors for the
747 file being read. */
749 static void
750 lto_input_ts_decl_non_common_tree_pointers (struct lto_input_block *ib,
751 struct data_in *data_in, tree expr)
753 if (TREE_CODE (expr) == TYPE_DECL)
754 DECL_ORIGINAL_TYPE (expr) = stream_read_tree (ib, data_in);
758 /* Read all pointer fields in the TS_DECL_WITH_VIS structure of EXPR
759 from input block IB. DATA_IN contains tables and descriptors for the
760 file being read. */
762 static void
763 lto_input_ts_decl_with_vis_tree_pointers (struct lto_input_block *ib,
764 struct data_in *data_in, tree expr)
766 tree id;
768 id = stream_read_tree (ib, data_in);
769 if (id)
771 gcc_assert (TREE_CODE (id) == IDENTIFIER_NODE);
772 SET_DECL_ASSEMBLER_NAME (expr, id);
777 /* Read all pointer fields in the TS_FIELD_DECL structure of EXPR from
778 input block IB. DATA_IN contains tables and descriptors for the
779 file being read. */
781 static void
782 lto_input_ts_field_decl_tree_pointers (struct lto_input_block *ib,
783 struct data_in *data_in, tree expr)
785 DECL_FIELD_OFFSET (expr) = stream_read_tree (ib, data_in);
786 DECL_BIT_FIELD_TYPE (expr) = stream_read_tree (ib, data_in);
787 DECL_BIT_FIELD_REPRESENTATIVE (expr) = stream_read_tree (ib, data_in);
788 DECL_FIELD_BIT_OFFSET (expr) = stream_read_tree (ib, data_in);
789 DECL_FCONTEXT (expr) = stream_read_tree (ib, data_in);
793 /* Read all pointer fields in the TS_FUNCTION_DECL structure of EXPR
794 from input block IB. DATA_IN contains tables and descriptors for the
795 file being read. */
797 static void
798 lto_input_ts_function_decl_tree_pointers (struct lto_input_block *ib,
799 struct data_in *data_in, tree expr)
801 DECL_VINDEX (expr) = stream_read_tree (ib, data_in);
802 /* DECL_STRUCT_FUNCTION is loaded on demand by cgraph_get_body. */
803 DECL_FUNCTION_PERSONALITY (expr) = stream_read_tree (ib, data_in);
804 #ifndef ACCEL_COMPILER
805 DECL_FUNCTION_SPECIFIC_TARGET (expr) = stream_read_tree (ib, data_in);
806 #endif
807 DECL_FUNCTION_SPECIFIC_OPTIMIZATION (expr) = stream_read_tree (ib, data_in);
809 /* If the file contains a function with an EH personality set,
810 then it was compiled with -fexceptions. In that case, initialize
811 the backend EH machinery. */
812 if (DECL_FUNCTION_PERSONALITY (expr))
813 lto_init_eh ();
817 /* Read all pointer fields in the TS_TYPE_COMMON structure of EXPR from
818 input block IB. DATA_IN contains tables and descriptors for the file
819 being read. */
821 static void
822 lto_input_ts_type_common_tree_pointers (struct lto_input_block *ib,
823 struct data_in *data_in, tree expr)
825 TYPE_SIZE (expr) = stream_read_tree (ib, data_in);
826 TYPE_SIZE_UNIT (expr) = stream_read_tree (ib, data_in);
827 TYPE_ATTRIBUTES (expr) = stream_read_tree (ib, data_in);
828 TYPE_NAME (expr) = stream_read_tree (ib, data_in);
829 /* Do not stream TYPE_POINTER_TO or TYPE_REFERENCE_TO. They will be
830 reconstructed during fixup. */
831 /* Do not stream TYPE_NEXT_VARIANT, we reconstruct the variant lists
832 during fixup. */
833 TYPE_MAIN_VARIANT (expr) = stream_read_tree (ib, data_in);
834 TYPE_CONTEXT (expr) = stream_read_tree (ib, data_in);
835 /* TYPE_CANONICAL gets re-computed during type merging. */
836 TYPE_CANONICAL (expr) = NULL_TREE;
837 TYPE_STUB_DECL (expr) = stream_read_tree (ib, data_in);
840 /* Read all pointer fields in the TS_TYPE_NON_COMMON structure of EXPR
841 from input block IB. DATA_IN contains tables and descriptors for the
842 file being read. */
844 static void
845 lto_input_ts_type_non_common_tree_pointers (struct lto_input_block *ib,
846 struct data_in *data_in,
847 tree expr)
849 if (TREE_CODE (expr) == ENUMERAL_TYPE)
850 TYPE_VALUES (expr) = stream_read_tree (ib, data_in);
851 else if (TREE_CODE (expr) == ARRAY_TYPE)
852 TYPE_DOMAIN (expr) = stream_read_tree (ib, data_in);
853 else if (RECORD_OR_UNION_TYPE_P (expr))
854 TYPE_FIELDS (expr) = streamer_read_chain (ib, data_in);
855 else if (TREE_CODE (expr) == FUNCTION_TYPE
856 || TREE_CODE (expr) == METHOD_TYPE)
857 TYPE_ARG_TYPES (expr) = stream_read_tree (ib, data_in);
859 if (!POINTER_TYPE_P (expr))
860 TYPE_MINVAL (expr) = stream_read_tree (ib, data_in);
861 TYPE_MAXVAL (expr) = stream_read_tree (ib, data_in);
862 if (RECORD_OR_UNION_TYPE_P (expr))
863 TYPE_BINFO (expr) = stream_read_tree (ib, data_in);
867 /* Read all pointer fields in the TS_LIST structure of EXPR from input
868 block IB. DATA_IN contains tables and descriptors for the
869 file being read. */
871 static void
872 lto_input_ts_list_tree_pointers (struct lto_input_block *ib,
873 struct data_in *data_in, tree expr)
875 TREE_PURPOSE (expr) = stream_read_tree (ib, data_in);
876 TREE_VALUE (expr) = stream_read_tree (ib, data_in);
877 TREE_CHAIN (expr) = stream_read_tree (ib, data_in);
881 /* Read all pointer fields in the TS_VEC structure of EXPR from input
882 block IB. DATA_IN contains tables and descriptors for the
883 file being read. */
885 static void
886 lto_input_ts_vec_tree_pointers (struct lto_input_block *ib,
887 struct data_in *data_in, tree expr)
889 int i;
891 /* Note that TREE_VEC_LENGTH was read by streamer_alloc_tree to
892 instantiate EXPR. */
893 for (i = 0; i < TREE_VEC_LENGTH (expr); i++)
894 TREE_VEC_ELT (expr, i) = stream_read_tree (ib, data_in);
898 /* Read all pointer fields in the TS_EXP structure of EXPR from input
899 block IB. DATA_IN contains tables and descriptors for the
900 file being read. */
903 static void
904 lto_input_ts_exp_tree_pointers (struct lto_input_block *ib,
905 struct data_in *data_in, tree expr)
907 int i;
908 tree block;
910 for (i = 0; i < TREE_OPERAND_LENGTH (expr); i++)
911 TREE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
913 block = stream_read_tree (ib, data_in);
915 /* TODO: Block is stored in the locus information. It may make more sense to
916 to make it go via the location cache. */
917 if (block)
919 data_in->location_cache.apply_location_cache ();
920 TREE_SET_BLOCK (expr, block);
925 /* Read all pointer fields in the TS_BLOCK structure of EXPR from input
926 block IB. DATA_IN contains tables and descriptors for the
927 file being read. */
929 static void
930 lto_input_ts_block_tree_pointers (struct lto_input_block *ib,
931 struct data_in *data_in, tree expr)
933 BLOCK_VARS (expr) = streamer_read_chain (ib, data_in);
935 BLOCK_SUPERCONTEXT (expr) = stream_read_tree (ib, data_in);
937 /* Stream BLOCK_ABSTRACT_ORIGIN and BLOCK_SOURCE_LOCATION for
938 the limited cases we can handle - those that represent inlined
939 function scopes. For the rest them on the floor instead of ICEing in
940 dwarf2out.c. */
941 BLOCK_ABSTRACT_ORIGIN (expr) = stream_read_tree (ib, data_in);
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.c. */
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 (struct lto_input_block *ib,
976 struct data_in *data_in, tree expr)
978 unsigned i;
979 tree t;
981 /* Note that the number of slots in EXPR was read in
982 streamer_alloc_tree when instantiating EXPR. However, the
983 vector is empty so we cannot rely on vec::length to know how many
984 elements to read. So, this list is emitted as a 0-terminated
985 list on the writer side. */
988 t = stream_read_tree (ib, data_in);
989 if (t)
990 BINFO_BASE_BINFOS (expr)->quick_push (t);
992 while (t);
994 BINFO_OFFSET (expr) = stream_read_tree (ib, data_in);
995 BINFO_VTABLE (expr) = stream_read_tree (ib, data_in);
996 BINFO_VPTR_FIELD (expr) = stream_read_tree (ib, data_in);
998 /* The vector of BINFO_BASE_ACCESSES is pre-allocated during
999 unpacking the bitfield section. */
1000 for (i = 0; i < vec_safe_length (BINFO_BASE_ACCESSES (expr)); i++)
1002 tree a = stream_read_tree (ib, data_in);
1003 (*BINFO_BASE_ACCESSES (expr))[i] = a;
1005 /* Do not walk BINFO_INHERITANCE_CHAIN, BINFO_SUBVTT_INDEX
1006 and BINFO_VPTR_INDEX; these are used by C++ FE only. */
1010 /* Read all pointer fields in the TS_CONSTRUCTOR structure of EXPR from
1011 input block IB. DATA_IN contains tables and descriptors for the
1012 file being read. */
1014 static void
1015 lto_input_ts_constructor_tree_pointers (struct lto_input_block *ib,
1016 struct data_in *data_in, tree expr)
1018 unsigned i;
1020 for (i = 0; i < CONSTRUCTOR_NELTS (expr); i++)
1022 constructor_elt e;
1023 e.index = stream_read_tree (ib, data_in);
1024 e.value = stream_read_tree (ib, data_in);
1025 (*CONSTRUCTOR_ELTS (expr))[i] = e;
1030 /* Read all pointer fields in the TS_OMP_CLAUSE structure of EXPR from
1031 input block IB. DATA_IN contains tables and descriptors for the
1032 file being read. */
1034 static void
1035 lto_input_ts_omp_clause_tree_pointers (struct lto_input_block *ib,
1036 struct data_in *data_in, tree expr)
1038 int i;
1040 for (i = 0; i < omp_clause_num_ops[OMP_CLAUSE_CODE (expr)]; i++)
1041 OMP_CLAUSE_OPERAND (expr, i) = stream_read_tree (ib, data_in);
1042 OMP_CLAUSE_CHAIN (expr) = stream_read_tree (ib, data_in);
1046 /* Read all pointer fields in EXPR from input block IB. DATA_IN
1047 contains tables and descriptors for the file being read. */
1049 void
1050 streamer_read_tree_body (struct lto_input_block *ib, struct data_in *data_in,
1051 tree expr)
1053 enum tree_code code;
1055 code = TREE_CODE (expr);
1057 if (CODE_CONTAINS_STRUCT (code, TS_TYPED))
1058 lto_input_ts_common_tree_pointers (ib, data_in, expr);
1060 if (CODE_CONTAINS_STRUCT (code, TS_VECTOR))
1061 lto_input_ts_vector_tree_pointers (ib, data_in, expr);
1063 if (CODE_CONTAINS_STRUCT (code, TS_COMPLEX))
1064 lto_input_ts_complex_tree_pointers (ib, data_in, expr);
1066 if (CODE_CONTAINS_STRUCT (code, TS_DECL_MINIMAL))
1067 lto_input_ts_decl_minimal_tree_pointers (ib, data_in, expr);
1069 if (CODE_CONTAINS_STRUCT (code, TS_DECL_COMMON))
1070 lto_input_ts_decl_common_tree_pointers (ib, data_in, expr);
1072 if (CODE_CONTAINS_STRUCT (code, TS_DECL_NON_COMMON))
1073 lto_input_ts_decl_non_common_tree_pointers (ib, data_in, expr);
1075 if (CODE_CONTAINS_STRUCT (code, TS_DECL_WITH_VIS))
1076 lto_input_ts_decl_with_vis_tree_pointers (ib, data_in, expr);
1078 if (CODE_CONTAINS_STRUCT (code, TS_FIELD_DECL))
1079 lto_input_ts_field_decl_tree_pointers (ib, data_in, expr);
1081 if (CODE_CONTAINS_STRUCT (code, TS_FUNCTION_DECL))
1082 lto_input_ts_function_decl_tree_pointers (ib, data_in, expr);
1084 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_COMMON))
1085 lto_input_ts_type_common_tree_pointers (ib, data_in, expr);
1087 if (CODE_CONTAINS_STRUCT (code, TS_TYPE_NON_COMMON))
1088 lto_input_ts_type_non_common_tree_pointers (ib, data_in, expr);
1090 if (CODE_CONTAINS_STRUCT (code, TS_LIST))
1091 lto_input_ts_list_tree_pointers (ib, data_in, expr);
1093 if (CODE_CONTAINS_STRUCT (code, TS_VEC))
1094 lto_input_ts_vec_tree_pointers (ib, data_in, expr);
1096 if (CODE_CONTAINS_STRUCT (code, TS_EXP))
1097 lto_input_ts_exp_tree_pointers (ib, data_in, expr);
1099 if (CODE_CONTAINS_STRUCT (code, TS_BLOCK))
1100 lto_input_ts_block_tree_pointers (ib, data_in, expr);
1102 if (CODE_CONTAINS_STRUCT (code, TS_BINFO))
1103 lto_input_ts_binfo_tree_pointers (ib, data_in, expr);
1105 if (CODE_CONTAINS_STRUCT (code, TS_CONSTRUCTOR))
1106 lto_input_ts_constructor_tree_pointers (ib, data_in, expr);
1108 if (code == OMP_CLAUSE)
1109 lto_input_ts_omp_clause_tree_pointers (ib, data_in, expr);
1113 /* Read an index IX from input block IB and return the tree node at
1114 DATA_IN->FILE_DATA->GLOBALS_INDEX[IX]. */
1116 tree
1117 streamer_get_pickled_tree (struct lto_input_block *ib, struct data_in *data_in)
1119 unsigned HOST_WIDE_INT ix;
1120 tree result;
1121 enum LTO_tags expected_tag;
1123 ix = streamer_read_uhwi (ib);
1124 expected_tag = streamer_read_enum (ib, LTO_tags, LTO_NUM_TAGS);
1126 result = streamer_tree_cache_get_tree (data_in->reader_cache, ix);
1127 gcc_assert (result
1128 && TREE_CODE (result) == lto_tag_to_tree_code (expected_tag));
1130 return result;
1134 /* Read a code and class from input block IB and return the
1135 corresponding builtin. DATA_IN is as in stream_read_tree. */
1137 tree
1138 streamer_get_builtin_tree (struct lto_input_block *ib, struct data_in *data_in)
1140 enum built_in_class fclass;
1141 enum built_in_function fcode;
1142 const char *asmname;
1143 tree result;
1145 fclass = streamer_read_enum (ib, built_in_class, BUILT_IN_LAST);
1146 gcc_assert (fclass == BUILT_IN_NORMAL || fclass == BUILT_IN_MD);
1148 fcode = (enum built_in_function) streamer_read_uhwi (ib);
1150 if (fclass == BUILT_IN_NORMAL)
1152 if (fcode >= END_BUILTINS)
1153 fatal_error (input_location,
1154 "machine independent builtin code out of range");
1155 result = builtin_decl_explicit (fcode);
1156 if (!result
1157 && fcode > BEGIN_CHKP_BUILTINS
1158 && fcode < END_CHKP_BUILTINS)
1160 fcode = (enum built_in_function) (fcode - BEGIN_CHKP_BUILTINS - 1);
1161 result = builtin_decl_explicit (fcode);
1162 result = chkp_maybe_clone_builtin_fndecl (result);
1164 gcc_assert (result);
1166 else if (fclass == BUILT_IN_MD)
1168 result = targetm.builtin_decl (fcode, true);
1169 if (!result || result == error_mark_node)
1170 fatal_error (input_location, "target specific builtin not available");
1172 else
1173 gcc_unreachable ();
1175 asmname = streamer_read_string (data_in, ib);
1176 if (asmname)
1177 set_builtin_user_assembler_name (result, asmname);
1179 streamer_tree_cache_append (data_in->reader_cache, result, 0);
1181 return result;