1 /* Definitions for the ubiquitous 'tree' type for GNU compilers.
2 Copyright (C) 1989-2017 Free Software Foundation, Inc.
4 This file is part of GCC.
6 GCC is free software; you can redistribute it and/or modify it under
7 the terms of the GNU General Public License as published by the Free
8 Software Foundation; either version 3, or (at your option) any later
11 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12 WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
23 #include "tree-core.h"
25 /* Convert a target-independent built-in function code to a combined_fn. */
28 as_combined_fn (built_in_function fn)
30 return combined_fn (int (fn));
33 /* Convert an internal function code to a combined_fn. */
36 as_combined_fn (internal_fn fn)
38 return combined_fn (int (fn) + int (END_BUILTINS));
41 /* Return true if CODE is a target-independent built-in function. */
44 builtin_fn_p (combined_fn code)
46 return int (code) < int (END_BUILTINS);
49 /* Return the target-independent built-in function represented by CODE.
50 Only valid if builtin_fn_p (CODE). */
52 inline built_in_function
53 as_builtin_fn (combined_fn code)
55 gcc_checking_assert (builtin_fn_p (code));
56 return built_in_function (int (code));
59 /* Return true if CODE is an internal function. */
62 internal_fn_p (combined_fn code)
64 return int (code) >= int (END_BUILTINS);
67 /* Return the internal function represented by CODE. Only valid if
68 internal_fn_p (CODE). */
71 as_internal_fn (combined_fn code)
73 gcc_checking_assert (internal_fn_p (code));
74 return internal_fn (int (code) - int (END_BUILTINS));
77 /* Macros for initializing `tree_contains_struct'. */
78 #define MARK_TS_BASE(C) \
80 tree_contains_struct[C][TS_BASE] = 1; \
83 #define MARK_TS_TYPED(C) \
86 tree_contains_struct[C][TS_TYPED] = 1; \
89 #define MARK_TS_COMMON(C) \
92 tree_contains_struct[C][TS_COMMON] = 1; \
95 #define MARK_TS_TYPE_COMMON(C) \
98 tree_contains_struct[C][TS_TYPE_COMMON] = 1; \
101 #define MARK_TS_TYPE_WITH_LANG_SPECIFIC(C) \
103 MARK_TS_TYPE_COMMON (C); \
104 tree_contains_struct[C][TS_TYPE_WITH_LANG_SPECIFIC] = 1; \
107 #define MARK_TS_DECL_MINIMAL(C) \
109 MARK_TS_COMMON (C); \
110 tree_contains_struct[C][TS_DECL_MINIMAL] = 1; \
113 #define MARK_TS_DECL_COMMON(C) \
115 MARK_TS_DECL_MINIMAL (C); \
116 tree_contains_struct[C][TS_DECL_COMMON] = 1; \
119 #define MARK_TS_DECL_WRTL(C) \
121 MARK_TS_DECL_COMMON (C); \
122 tree_contains_struct[C][TS_DECL_WRTL] = 1; \
125 #define MARK_TS_DECL_WITH_VIS(C) \
127 MARK_TS_DECL_WRTL (C); \
128 tree_contains_struct[C][TS_DECL_WITH_VIS] = 1; \
131 #define MARK_TS_DECL_NON_COMMON(C) \
133 MARK_TS_DECL_WITH_VIS (C); \
134 tree_contains_struct[C][TS_DECL_NON_COMMON] = 1; \
138 /* Returns the string representing CLASS. */
140 #define TREE_CODE_CLASS_STRING(CLASS)\
141 tree_code_class_strings[(int) (CLASS)]
143 #define TREE_CODE_CLASS(CODE) tree_code_type[(int) (CODE)]
145 /* Nonzero if NODE represents an exceptional code. */
147 #define EXCEPTIONAL_CLASS_P(NODE)\
148 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_exceptional)
150 /* Nonzero if NODE represents a constant. */
152 #define CONSTANT_CLASS_P(NODE)\
153 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_constant)
155 /* Nonzero if NODE represents a type. */
157 #define TYPE_P(NODE)\
158 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_type)
160 /* Nonzero if NODE represents a declaration. */
162 #define DECL_P(NODE)\
163 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_declaration)
165 /* True if NODE designates a variable declaration. */
166 #define VAR_P(NODE) \
167 (TREE_CODE (NODE) == VAR_DECL)
169 /* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL. */
171 #define VAR_OR_FUNCTION_DECL_P(DECL)\
172 (TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
174 /* Nonzero if NODE represents a INDIRECT_REF. Keep these checks in
175 ascending code order. */
177 #define INDIRECT_REF_P(NODE)\
178 (TREE_CODE (NODE) == INDIRECT_REF)
180 /* Nonzero if NODE represents a reference. */
182 #define REFERENCE_CLASS_P(NODE)\
183 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_reference)
185 /* Nonzero if NODE represents a comparison. */
187 #define COMPARISON_CLASS_P(NODE)\
188 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_comparison)
190 /* Nonzero if NODE represents a unary arithmetic expression. */
192 #define UNARY_CLASS_P(NODE)\
193 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_unary)
195 /* Nonzero if NODE represents a binary arithmetic expression. */
197 #define BINARY_CLASS_P(NODE)\
198 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_binary)
200 /* Nonzero if NODE represents a statement expression. */
202 #define STATEMENT_CLASS_P(NODE)\
203 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_statement)
205 /* Nonzero if NODE represents a function call-like expression with a
206 variable-length operand vector. */
208 #define VL_EXP_CLASS_P(NODE)\
209 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_vl_exp)
211 /* Nonzero if NODE represents any other expression. */
213 #define EXPRESSION_CLASS_P(NODE)\
214 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_expression)
216 /* Returns nonzero iff NODE represents a type or declaration. */
218 #define IS_TYPE_OR_DECL_P(NODE)\
219 (TYPE_P (NODE) || DECL_P (NODE))
221 /* Returns nonzero iff CLASS is the tree-code class of an
224 #define IS_EXPR_CODE_CLASS(CLASS)\
225 ((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
227 /* Returns nonzero iff NODE is an expression of some kind. */
229 #define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
231 #define TREE_CODE_LENGTH(CODE) tree_code_length[(int) (CODE)]
234 /* Helper macros for math builtins. */
236 #define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L
237 #define CASE_FLT_FN_FLOATN_NX(FN) \
238 case FN##F16: case FN##F32: case FN##F64: case FN##F128: \
239 case FN##F32X: case FN##F64X: case FN##F128X
240 #define CASE_FLT_FN_REENT(FN) case FN##_R: case FN##F_R: case FN##L_R
241 #define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL: case FN##IMAX
243 #define NULL_TREE (tree) NULL
245 /* Define accessors for the fields that all tree nodes have
246 (though some fields are not used for all kinds of nodes). */
248 /* The tree-code says what kind of node it is.
249 Codes are defined in tree.def. */
250 #define TREE_CODE(NODE) ((enum tree_code) (NODE)->base.code)
251 #define TREE_SET_CODE(NODE, VALUE) ((NODE)->base.code = (VALUE))
253 /* When checking is enabled, errors will be generated if a tree node
254 is accessed incorrectly. The macros die with a fatal error. */
255 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
257 #define TREE_CHECK(T, CODE) \
258 (tree_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
260 #define TREE_NOT_CHECK(T, CODE) \
261 (tree_not_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
263 #define TREE_CHECK2(T, CODE1, CODE2) \
264 (tree_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
266 #define TREE_NOT_CHECK2(T, CODE1, CODE2) \
267 (tree_not_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
269 #define TREE_CHECK3(T, CODE1, CODE2, CODE3) \
270 (tree_check3 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2), (CODE3)))
272 #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) \
273 (tree_not_check3 ((T), __FILE__, __LINE__, __FUNCTION__, \
274 (CODE1), (CODE2), (CODE3)))
276 #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
277 (tree_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
278 (CODE1), (CODE2), (CODE3), (CODE4)))
280 #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
281 (tree_not_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
282 (CODE1), (CODE2), (CODE3), (CODE4)))
284 #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
285 (tree_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
286 (CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
288 #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
289 (tree_not_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
290 (CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
292 #define CONTAINS_STRUCT_CHECK(T, STRUCT) \
293 (contains_struct_check ((T), (STRUCT), __FILE__, __LINE__, __FUNCTION__))
295 #define TREE_CLASS_CHECK(T, CLASS) \
296 (tree_class_check ((T), (CLASS), __FILE__, __LINE__, __FUNCTION__))
298 #define TREE_RANGE_CHECK(T, CODE1, CODE2) \
299 (tree_range_check ((T), (CODE1), (CODE2), __FILE__, __LINE__, __FUNCTION__))
301 #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) \
302 (omp_clause_subcode_check ((T), (CODE), __FILE__, __LINE__, __FUNCTION__))
304 #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) \
305 (omp_clause_range_check ((T), (CODE1), (CODE2), \
306 __FILE__, __LINE__, __FUNCTION__))
308 /* These checks have to be special cased. */
309 #define EXPR_CHECK(T) \
310 (expr_check ((T), __FILE__, __LINE__, __FUNCTION__))
312 /* These checks have to be special cased. */
313 #define NON_TYPE_CHECK(T) \
314 (non_type_check ((T), __FILE__, __LINE__, __FUNCTION__))
316 /* These checks have to be special cased. */
317 #define ANY_INTEGRAL_TYPE_CHECK(T) \
318 (any_integral_type_check ((T), __FILE__, __LINE__, __FUNCTION__))
320 #define TREE_INT_CST_ELT_CHECK(T, I) \
321 (*tree_int_cst_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))
323 #define TREE_VEC_ELT_CHECK(T, I) \
324 (*(CONST_CAST2 (tree *, typeof (T)*, \
325 tree_vec_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
327 #define OMP_CLAUSE_ELT_CHECK(T, I) \
328 (*(omp_clause_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__)))
330 /* Special checks for TREE_OPERANDs. */
331 #define TREE_OPERAND_CHECK(T, I) \
332 (*(CONST_CAST2 (tree*, typeof (T)*, \
333 tree_operand_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
335 #define TREE_OPERAND_CHECK_CODE(T, CODE, I) \
336 (*(tree_operand_check_code ((T), (CODE), (I), \
337 __FILE__, __LINE__, __FUNCTION__)))
339 /* Nodes are chained together for many purposes.
340 Types are chained together to record them for being output to the debugger
341 (see the function `chain_type').
342 Decls in the same scope are chained together to record the contents
344 Statement nodes for successive statements used to be chained together.
345 Often lists of things are represented by TREE_LIST nodes that
346 are chained together. */
348 #define TREE_CHAIN(NODE) \
349 (CONTAINS_STRUCT_CHECK (NODE, TS_COMMON)->common.chain)
351 /* In all nodes that are expressions, this is the data type of the expression.
352 In POINTER_TYPE nodes, this is the type that the pointer points to.
353 In ARRAY_TYPE nodes, this is the type of the elements.
354 In VECTOR_TYPE nodes, this is the type of the elements. */
355 #define TREE_TYPE(NODE) \
356 (CONTAINS_STRUCT_CHECK (NODE, TS_TYPED)->typed.type)
358 extern void tree_contains_struct_check_failed (const_tree,
359 const enum tree_node_structure_enum,
360 const char *, int, const char *)
361 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
363 extern void tree_check_failed (const_tree, const char *, int, const char *,
364 ...) ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
365 extern void tree_not_check_failed (const_tree, const char *, int, const char *,
366 ...) ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
367 extern void tree_class_check_failed (const_tree, const enum tree_code_class,
368 const char *, int, const char *)
369 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
370 extern void tree_range_check_failed (const_tree, const char *, int,
371 const char *, enum tree_code,
373 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
374 extern void tree_not_class_check_failed (const_tree,
375 const enum tree_code_class,
376 const char *, int, const char *)
377 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
378 extern void tree_int_cst_elt_check_failed (int, int, const char *,
380 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
381 extern void tree_vec_elt_check_failed (int, int, const char *,
383 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
384 extern void phi_node_elt_check_failed (int, int, const char *,
386 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
387 extern void tree_operand_check_failed (int, const_tree,
388 const char *, int, const char *)
389 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
390 extern void omp_clause_check_failed (const_tree, const char *, int,
391 const char *, enum omp_clause_code)
392 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
393 extern void omp_clause_operand_check_failed (int, const_tree, const char *,
395 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
396 extern void omp_clause_range_check_failed (const_tree, const char *, int,
397 const char *, enum omp_clause_code,
398 enum omp_clause_code)
399 ATTRIBUTE_NORETURN ATTRIBUTE_COLD;
401 #else /* not ENABLE_TREE_CHECKING, or not gcc */
403 #define CONTAINS_STRUCT_CHECK(T, ENUM) (T)
404 #define TREE_CHECK(T, CODE) (T)
405 #define TREE_NOT_CHECK(T, CODE) (T)
406 #define TREE_CHECK2(T, CODE1, CODE2) (T)
407 #define TREE_NOT_CHECK2(T, CODE1, CODE2) (T)
408 #define TREE_CHECK3(T, CODE1, CODE2, CODE3) (T)
409 #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) (T)
410 #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
411 #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
412 #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
413 #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
414 #define TREE_CLASS_CHECK(T, CODE) (T)
415 #define TREE_RANGE_CHECK(T, CODE1, CODE2) (T)
416 #define EXPR_CHECK(T) (T)
417 #define NON_TYPE_CHECK(T) (T)
418 #define TREE_INT_CST_ELT_CHECK(T, I) ((T)->int_cst.val[I])
419 #define TREE_VEC_ELT_CHECK(T, I) ((T)->vec.a[I])
420 #define TREE_OPERAND_CHECK(T, I) ((T)->exp.operands[I])
421 #define TREE_OPERAND_CHECK_CODE(T, CODE, I) ((T)->exp.operands[I])
422 #define OMP_CLAUSE_ELT_CHECK(T, i) ((T)->omp_clause.ops[i])
423 #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) (T)
424 #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) (T)
425 #define ANY_INTEGRAL_TYPE_CHECK(T) (T)
427 #define TREE_CHAIN(NODE) ((NODE)->common.chain)
428 #define TREE_TYPE(NODE) ((NODE)->typed.type)
432 #define TREE_BLOCK(NODE) (tree_block (NODE))
433 #define TREE_SET_BLOCK(T, B) (tree_set_block ((T), (B)))
435 #include "tree-check.h"
437 #define TYPE_CHECK(T) TREE_CLASS_CHECK (T, tcc_type)
438 #define DECL_MINIMAL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_MINIMAL)
439 #define DECL_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_COMMON)
440 #define DECL_WRTL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WRTL)
441 #define DECL_WITH_VIS_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WITH_VIS)
442 #define DECL_NON_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_NON_COMMON)
443 #define CST_CHECK(T) TREE_CLASS_CHECK (T, tcc_constant)
444 #define STMT_CHECK(T) TREE_CLASS_CHECK (T, tcc_statement)
445 #define VL_EXP_CHECK(T) TREE_CLASS_CHECK (T, tcc_vl_exp)
446 #define FUNC_OR_METHOD_CHECK(T) TREE_CHECK2 (T, FUNCTION_TYPE, METHOD_TYPE)
447 #define PTR_OR_REF_CHECK(T) TREE_CHECK2 (T, POINTER_TYPE, REFERENCE_TYPE)
449 #define RECORD_OR_UNION_CHECK(T) \
450 TREE_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
451 #define NOT_RECORD_OR_UNION_CHECK(T) \
452 TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
454 #define NUMERICAL_TYPE_CHECK(T) \
455 TREE_CHECK5 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE, \
458 /* Here is how primitive or already-canonicalized types' hash codes
460 #define TYPE_HASH(TYPE) (TYPE_UID (TYPE))
462 /* A simple hash function for an arbitrary tree node. This must not be
463 used in hash tables which are saved to a PCH. */
464 #define TREE_HASH(NODE) ((size_t) (NODE) & 0777777)
466 /* Tests if CODE is a conversion expr (NOP_EXPR or CONVERT_EXPR). */
467 #define CONVERT_EXPR_CODE_P(CODE) \
468 ((CODE) == NOP_EXPR || (CODE) == CONVERT_EXPR)
470 /* Similarly, but accept an expression instead of a tree code. */
471 #define CONVERT_EXPR_P(EXP) CONVERT_EXPR_CODE_P (TREE_CODE (EXP))
473 /* Generate case for NOP_EXPR, CONVERT_EXPR. */
475 #define CASE_CONVERT \
479 /* Given an expression as a tree, strip any conversion that generates
480 no instruction. Accepts both tree and const_tree arguments since
481 we are not modifying the tree itself. */
483 #define STRIP_NOPS(EXP) \
484 (EXP) = tree_strip_nop_conversions (CONST_CAST_TREE (EXP))
486 /* Like STRIP_NOPS, but don't let the signedness change either. */
488 #define STRIP_SIGN_NOPS(EXP) \
489 (EXP) = tree_strip_sign_nop_conversions (CONST_CAST_TREE (EXP))
491 /* Like STRIP_NOPS, but don't alter the TREE_TYPE either. */
493 #define STRIP_TYPE_NOPS(EXP) \
494 while ((CONVERT_EXPR_P (EXP) \
495 || TREE_CODE (EXP) == NON_LVALUE_EXPR) \
496 && TREE_OPERAND (EXP, 0) != error_mark_node \
497 && (TREE_TYPE (EXP) \
498 == TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
499 (EXP) = TREE_OPERAND (EXP, 0)
501 /* Remove unnecessary type conversions according to
502 tree_ssa_useless_type_conversion. */
504 #define STRIP_USELESS_TYPE_CONVERSION(EXP) \
505 (EXP) = tree_ssa_strip_useless_type_conversions (EXP)
507 /* Nonzero if TYPE represents a vector type. */
509 #define VECTOR_TYPE_P(TYPE) (TREE_CODE (TYPE) == VECTOR_TYPE)
511 /* Nonzero if TYPE represents a vector of booleans. */
513 #define VECTOR_BOOLEAN_TYPE_P(TYPE) \
514 (TREE_CODE (TYPE) == VECTOR_TYPE \
515 && TREE_CODE (TREE_TYPE (TYPE)) == BOOLEAN_TYPE)
517 /* Nonzero if TYPE represents an integral type. Note that we do not
518 include COMPLEX types here. Keep these checks in ascending code
521 #define INTEGRAL_TYPE_P(TYPE) \
522 (TREE_CODE (TYPE) == ENUMERAL_TYPE \
523 || TREE_CODE (TYPE) == BOOLEAN_TYPE \
524 || TREE_CODE (TYPE) == INTEGER_TYPE)
526 /* Nonzero if TYPE represents an integral type, including complex
527 and vector integer types. */
529 #define ANY_INTEGRAL_TYPE_P(TYPE) \
530 (INTEGRAL_TYPE_P (TYPE) \
531 || ((TREE_CODE (TYPE) == COMPLEX_TYPE \
532 || VECTOR_TYPE_P (TYPE)) \
533 && INTEGRAL_TYPE_P (TREE_TYPE (TYPE))))
535 /* Nonzero if TYPE represents a non-saturating fixed-point type. */
537 #define NON_SAT_FIXED_POINT_TYPE_P(TYPE) \
538 (TREE_CODE (TYPE) == FIXED_POINT_TYPE && !TYPE_SATURATING (TYPE))
540 /* Nonzero if TYPE represents a saturating fixed-point type. */
542 #define SAT_FIXED_POINT_TYPE_P(TYPE) \
543 (TREE_CODE (TYPE) == FIXED_POINT_TYPE && TYPE_SATURATING (TYPE))
545 /* Nonzero if TYPE represents a fixed-point type. */
547 #define FIXED_POINT_TYPE_P(TYPE) (TREE_CODE (TYPE) == FIXED_POINT_TYPE)
549 /* Nonzero if TYPE represents a scalar floating-point type. */
551 #define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
553 /* Nonzero if TYPE represents a complex floating-point type. */
555 #define COMPLEX_FLOAT_TYPE_P(TYPE) \
556 (TREE_CODE (TYPE) == COMPLEX_TYPE \
557 && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
559 /* Nonzero if TYPE represents a vector integer type. */
561 #define VECTOR_INTEGER_TYPE_P(TYPE) \
562 (VECTOR_TYPE_P (TYPE) \
563 && TREE_CODE (TREE_TYPE (TYPE)) == INTEGER_TYPE)
566 /* Nonzero if TYPE represents a vector floating-point type. */
568 #define VECTOR_FLOAT_TYPE_P(TYPE) \
569 (VECTOR_TYPE_P (TYPE) \
570 && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
572 /* Nonzero if TYPE represents a floating-point type, including complex
573 and vector floating-point types. The vector and complex check does
574 not use the previous two macros to enable early folding. */
576 #define FLOAT_TYPE_P(TYPE) \
577 (SCALAR_FLOAT_TYPE_P (TYPE) \
578 || ((TREE_CODE (TYPE) == COMPLEX_TYPE \
579 || VECTOR_TYPE_P (TYPE)) \
580 && SCALAR_FLOAT_TYPE_P (TREE_TYPE (TYPE))))
582 /* Nonzero if TYPE represents a decimal floating-point type. */
583 #define DECIMAL_FLOAT_TYPE_P(TYPE) \
584 (SCALAR_FLOAT_TYPE_P (TYPE) \
585 && DECIMAL_FLOAT_MODE_P (TYPE_MODE (TYPE)))
587 /* Nonzero if TYPE is a record or union type. */
588 #define RECORD_OR_UNION_TYPE_P(TYPE) \
589 (TREE_CODE (TYPE) == RECORD_TYPE \
590 || TREE_CODE (TYPE) == UNION_TYPE \
591 || TREE_CODE (TYPE) == QUAL_UNION_TYPE)
593 /* Nonzero if TYPE represents an aggregate (multi-component) type.
594 Keep these checks in ascending code order. */
596 #define AGGREGATE_TYPE_P(TYPE) \
597 (TREE_CODE (TYPE) == ARRAY_TYPE || RECORD_OR_UNION_TYPE_P (TYPE))
599 /* Nonzero if TYPE represents a pointer or reference type.
600 (It should be renamed to INDIRECT_TYPE_P.) Keep these checks in
601 ascending code order. */
603 #define POINTER_TYPE_P(TYPE) \
604 (TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
606 /* Nonzero if TYPE represents a pointer to function. */
607 #define FUNCTION_POINTER_TYPE_P(TYPE) \
608 (POINTER_TYPE_P (TYPE) && TREE_CODE (TREE_TYPE (TYPE)) == FUNCTION_TYPE)
610 /* Nonzero if this type is a complete type. */
611 #define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
613 /* Nonzero if this type is a pointer bounds type. */
614 #define POINTER_BOUNDS_TYPE_P(NODE) \
615 (TREE_CODE (NODE) == POINTER_BOUNDS_TYPE)
617 /* Nonzero if this node has a pointer bounds type. */
618 #define POINTER_BOUNDS_P(NODE) \
619 (POINTER_BOUNDS_TYPE_P (TREE_TYPE (NODE)))
621 /* Nonzero if this type supposes bounds existence. */
622 #define BOUNDED_TYPE_P(type) (POINTER_TYPE_P (type))
624 /* Nonzero for objects with bounded type. */
625 #define BOUNDED_P(node) \
626 BOUNDED_TYPE_P (TREE_TYPE (node))
628 /* Nonzero if this type is the (possibly qualified) void type. */
629 #define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE)
631 /* Nonzero if this type is complete or is cv void. */
632 #define COMPLETE_OR_VOID_TYPE_P(NODE) \
633 (COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE))
635 /* Nonzero if this type is complete or is an array with unspecified bound. */
636 #define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
637 (COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
639 #define FUNC_OR_METHOD_TYPE_P(NODE) \
640 (TREE_CODE (NODE) == FUNCTION_TYPE || TREE_CODE (NODE) == METHOD_TYPE)
642 /* Define many boolean fields that all tree nodes have. */
644 /* In VAR_DECL, PARM_DECL and RESULT_DECL nodes, nonzero means address
645 of this is needed. So it cannot be in a register.
646 In a FUNCTION_DECL it has no meaning.
647 In LABEL_DECL nodes, it means a goto for this label has been seen
648 from a place outside all binding contours that restore stack levels.
649 In an artificial SSA_NAME that points to a stack partition with at least
650 two variables, it means that at least one variable has TREE_ADDRESSABLE.
651 In ..._TYPE nodes, it means that objects of this type must be fully
652 addressable. This means that pieces of this object cannot go into
653 register parameters, for example. If this a function type, this
654 means that the value must be returned in memory.
655 In CONSTRUCTOR nodes, it means object constructed must be in memory.
656 In IDENTIFIER_NODEs, this means that some extern decl for this name
657 had its address taken. That matters for inline functions.
658 In a STMT_EXPR, it means we want the result of the enclosed expression. */
659 #define TREE_ADDRESSABLE(NODE) ((NODE)->base.addressable_flag)
661 /* Set on a CALL_EXPR if the call is in a tail position, ie. just before the
662 exit of a function. Calls for which this is true are candidates for tail
663 call optimizations. */
664 #define CALL_EXPR_TAILCALL(NODE) \
665 (CALL_EXPR_CHECK (NODE)->base.addressable_flag)
667 /* Set on a CALL_EXPR if the call has been marked as requiring tail call
668 optimization for correctness. */
669 #define CALL_EXPR_MUST_TAIL_CALL(NODE) \
670 (CALL_EXPR_CHECK (NODE)->base.static_flag)
672 /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
673 CASE_LOW operand has been processed. */
674 #define CASE_LOW_SEEN(NODE) \
675 (CASE_LABEL_EXPR_CHECK (NODE)->base.addressable_flag)
677 #define PREDICT_EXPR_OUTCOME(NODE) \
678 ((enum prediction) (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag))
679 #define SET_PREDICT_EXPR_OUTCOME(NODE, OUTCOME) \
680 (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag = (int) OUTCOME)
681 #define PREDICT_EXPR_PREDICTOR(NODE) \
682 ((enum br_predictor)tree_to_shwi (TREE_OPERAND (PREDICT_EXPR_CHECK (NODE), 0)))
684 /* In a VAR_DECL, nonzero means allocate static storage.
685 In a FUNCTION_DECL, nonzero if function has been defined.
686 In a CONSTRUCTOR, nonzero means allocate static storage. */
687 #define TREE_STATIC(NODE) ((NODE)->base.static_flag)
689 /* In an ADDR_EXPR, nonzero means do not use a trampoline. */
690 #define TREE_NO_TRAMPOLINE(NODE) (ADDR_EXPR_CHECK (NODE)->base.static_flag)
692 /* In a TARGET_EXPR or WITH_CLEANUP_EXPR, means that the pertinent cleanup
693 should only be executed if an exception is thrown, not on normal exit
695 #define CLEANUP_EH_ONLY(NODE) ((NODE)->base.static_flag)
697 /* In a TRY_CATCH_EXPR, means that the handler should be considered a
698 separate cleanup in honor_protect_cleanup_actions. */
699 #define TRY_CATCH_IS_CLEANUP(NODE) \
700 (TRY_CATCH_EXPR_CHECK (NODE)->base.static_flag)
702 /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
703 CASE_HIGH operand has been processed. */
704 #define CASE_HIGH_SEEN(NODE) \
705 (CASE_LABEL_EXPR_CHECK (NODE)->base.static_flag)
707 /* Used to mark scoped enums. */
708 #define ENUM_IS_SCOPED(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.static_flag)
710 /* Determines whether an ENUMERAL_TYPE has defined the list of constants. */
711 #define ENUM_IS_OPAQUE(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.private_flag)
713 /* In an expr node (usually a conversion) this means the node was made
714 implicitly and should not lead to any sort of warning. In a decl node,
715 warnings concerning the decl should be suppressed. This is used at
716 least for used-before-set warnings, and it set after one warning is
718 #define TREE_NO_WARNING(NODE) ((NODE)->base.nowarning_flag)
720 /* Used to indicate that this TYPE represents a compiler-generated entity. */
721 #define TYPE_ARTIFICIAL(NODE) (TYPE_CHECK (NODE)->base.nowarning_flag)
723 /* In an IDENTIFIER_NODE, this means that assemble_name was called with
724 this string as an argument. */
725 #define TREE_SYMBOL_REFERENCED(NODE) \
726 (IDENTIFIER_NODE_CHECK (NODE)->base.static_flag)
728 /* Nonzero in a pointer or reference type means the data pointed to
729 by this type can alias anything. */
730 #define TYPE_REF_CAN_ALIAS_ALL(NODE) \
731 (PTR_OR_REF_CHECK (NODE)->base.static_flag)
733 /* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means
734 there was an overflow in folding. */
736 #define TREE_OVERFLOW(NODE) (CST_CHECK (NODE)->base.public_flag)
738 /* TREE_OVERFLOW can only be true for EXPR of CONSTANT_CLASS_P. */
740 #define TREE_OVERFLOW_P(EXPR) \
741 (CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
743 /* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_DECL,
744 nonzero means name is to be accessible from outside this translation unit.
745 In an IDENTIFIER_NODE, nonzero means an external declaration
746 accessible from outside this translation unit was previously seen
747 for this name in an inner scope. */
748 #define TREE_PUBLIC(NODE) ((NODE)->base.public_flag)
750 /* In a _TYPE, indicates whether TYPE_CACHED_VALUES contains a vector
751 of cached values, or is something else. */
752 #define TYPE_CACHED_VALUES_P(NODE) (TYPE_CHECK (NODE)->base.public_flag)
754 /* In a SAVE_EXPR, indicates that the original expression has already
755 been substituted with a VAR_DECL that contains the value. */
756 #define SAVE_EXPR_RESOLVED_P(NODE) \
757 (SAVE_EXPR_CHECK (NODE)->base.public_flag)
759 /* Set on a CALL_EXPR if this stdarg call should be passed the argument
761 #define CALL_EXPR_VA_ARG_PACK(NODE) \
762 (CALL_EXPR_CHECK (NODE)->base.public_flag)
764 /* In any expression, decl, or constant, nonzero means it has side effects or
765 reevaluation of the whole expression could produce a different value.
766 This is set if any subexpression is a function call, a side effect or a
767 reference to a volatile variable. In a ..._DECL, this is set only if the
768 declaration said `volatile'. This will never be set for a constant. */
769 #define TREE_SIDE_EFFECTS(NODE) \
770 (NON_TYPE_CHECK (NODE)->base.side_effects_flag)
772 /* In a LABEL_DECL, nonzero means this label had its address taken
773 and therefore can never be deleted and is a jump target for
775 #define FORCED_LABEL(NODE) (LABEL_DECL_CHECK (NODE)->base.side_effects_flag)
777 /* Whether a case or a user-defined label is allowed to fall through to.
778 This is used to implement -Wimplicit-fallthrough. */
779 #define FALLTHROUGH_LABEL_P(NODE) \
780 (LABEL_DECL_CHECK (NODE)->base.private_flag)
782 /* Nonzero means this expression is volatile in the C sense:
783 its address should be of type `volatile WHATEVER *'.
784 In other words, the declared item is volatile qualified.
785 This is used in _DECL nodes and _REF nodes.
786 On a FUNCTION_DECL node, this means the function does not
787 return normally. This is the same effect as setting
788 the attribute noreturn on the function in C.
790 In a ..._TYPE node, means this type is volatile-qualified.
791 But use TYPE_VOLATILE instead of this macro when the node is a type,
792 because eventually we may make that a different bit.
794 If this bit is set in an expression, so is TREE_SIDE_EFFECTS. */
795 #define TREE_THIS_VOLATILE(NODE) ((NODE)->base.volatile_flag)
797 /* Nonzero means this node will not trap. In an INDIRECT_REF, means
798 accessing the memory pointed to won't generate a trap. However,
799 this only applies to an object when used appropriately: it doesn't
800 mean that writing a READONLY mem won't trap.
802 In ARRAY_REF and ARRAY_RANGE_REF means that we know that the index
803 (or slice of the array) always belongs to the range of the array.
804 I.e. that the access will not trap, provided that the access to
805 the base to the array will not trap. */
806 #define TREE_THIS_NOTRAP(NODE) \
807 (TREE_CHECK5 (NODE, INDIRECT_REF, MEM_REF, TARGET_MEM_REF, ARRAY_REF, \
808 ARRAY_RANGE_REF)->base.nothrow_flag)
810 /* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
811 nonzero means it may not be the lhs of an assignment.
812 Nonzero in a FUNCTION_DECL means this function should be treated
813 as "const" function (can only read its arguments). */
814 #define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->base.readonly_flag)
816 /* Value of expression is constant. Always on in all ..._CST nodes. May
817 also appear in an expression or decl where the value is constant. */
818 #define TREE_CONSTANT(NODE) (NON_TYPE_CHECK (NODE)->base.constant_flag)
820 /* Nonzero if NODE, a type, has had its sizes gimplified. */
821 #define TYPE_SIZES_GIMPLIFIED(NODE) \
822 (TYPE_CHECK (NODE)->base.constant_flag)
824 /* In a decl (most significantly a FIELD_DECL), means an unsigned field. */
825 #define DECL_UNSIGNED(NODE) \
826 (DECL_COMMON_CHECK (NODE)->base.u.bits.unsigned_flag)
828 /* In integral and pointer types, means an unsigned type. */
829 #define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->base.u.bits.unsigned_flag)
831 /* Same as TYPE_UNSIGNED but converted to SIGNOP. */
832 #define TYPE_SIGN(NODE) ((signop) TYPE_UNSIGNED (NODE))
834 /* True if overflow wraps around for the given integral type. That
835 is, TYPE_MAX + 1 == TYPE_MIN. */
836 #define TYPE_OVERFLOW_WRAPS(TYPE) \
837 (ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag || flag_wrapv)
839 /* True if overflow is undefined for the given integral type. We may
840 optimize on the assumption that values in the type never overflow.
842 IMPORTANT NOTE: Any optimization based on TYPE_OVERFLOW_UNDEFINED
843 must issue a warning based on warn_strict_overflow. In some cases
844 it will be appropriate to issue the warning immediately, and in
845 other cases it will be appropriate to simply set a flag and let the
846 caller decide whether a warning is appropriate or not. */
847 #define TYPE_OVERFLOW_UNDEFINED(TYPE) \
848 (!ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag \
849 && !flag_wrapv && !flag_trapv)
851 /* True if overflow for the given integral type should issue a
853 #define TYPE_OVERFLOW_TRAPS(TYPE) \
854 (!ANY_INTEGRAL_TYPE_CHECK(TYPE)->base.u.bits.unsigned_flag && flag_trapv)
856 /* True if an overflow is to be preserved for sanitization. */
857 #define TYPE_OVERFLOW_SANITIZED(TYPE) \
858 (INTEGRAL_TYPE_P (TYPE) \
859 && !TYPE_OVERFLOW_WRAPS (TYPE) \
860 && (flag_sanitize & SANITIZE_SI_OVERFLOW))
862 /* True if pointer types have undefined overflow. */
863 #define POINTER_TYPE_OVERFLOW_UNDEFINED (!flag_wrapv)
865 /* Nonzero in a VAR_DECL or STRING_CST means assembler code has been written.
866 Nonzero in a FUNCTION_DECL means that the function has been compiled.
867 This is interesting in an inline function, since it might not need
868 to be compiled separately.
869 Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ENUMERAL_TYPE
870 or TYPE_DECL if the debugging info for the type has been written.
871 In a BLOCK node, nonzero if reorder_blocks has already seen this block.
872 In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
874 #define TREE_ASM_WRITTEN(NODE) ((NODE)->base.asm_written_flag)
876 /* Nonzero in a _DECL if the name is used in its scope.
877 Nonzero in an expr node means inhibit warning if value is unused.
878 In IDENTIFIER_NODEs, this means that some extern decl for this name
880 In a BLOCK, this means that the block contains variables that are used. */
881 #define TREE_USED(NODE) ((NODE)->base.used_flag)
883 /* In a FUNCTION_DECL, nonzero means a call to the function cannot
884 throw an exception. In a CALL_EXPR, nonzero means the call cannot
885 throw. We can't easily check the node type here as the C++
886 frontend also uses this flag (for AGGR_INIT_EXPR). */
887 #define TREE_NOTHROW(NODE) ((NODE)->base.nothrow_flag)
889 /* In a CALL_EXPR, means that it's safe to use the target of the call
890 expansion as the return slot for a call that returns in memory. */
891 #define CALL_EXPR_RETURN_SLOT_OPT(NODE) \
892 (CALL_EXPR_CHECK (NODE)->base.private_flag)
894 /* Cilk keywords accessors. */
895 #define CILK_SPAWN_FN(NODE) TREE_OPERAND (CILK_SPAWN_STMT_CHECK (NODE), 0)
897 /* If this is true, we should insert a __cilk_detach call just before
898 this function call. */
899 #define EXPR_CILK_SPAWN(NODE) \
900 (TREE_CHECK2 (NODE, CALL_EXPR, \
901 AGGR_INIT_EXPR)->base.u.bits.unsigned_flag)
903 /* In a RESULT_DECL, PARM_DECL and VAR_DECL, means that it is
904 passed by invisible reference (and the TREE_TYPE is a pointer to the true
906 #define DECL_BY_REFERENCE(NODE) \
907 (TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, \
908 RESULT_DECL)->decl_common.decl_by_reference_flag)
910 /* In VAR_DECL and PARM_DECL, set when the decl has been used except for
912 #define DECL_READ_P(NODE) \
913 (TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_read_flag)
915 /* In VAR_DECL or RESULT_DECL, set when significant code movement precludes
916 attempting to share the stack slot with some other variable. */
917 #define DECL_NONSHAREABLE(NODE) \
918 (TREE_CHECK2 (NODE, VAR_DECL, \
919 RESULT_DECL)->decl_common.decl_nonshareable_flag)
921 /* In a CALL_EXPR, means that the call is the jump from a thunk to the
922 thunked-to function. */
923 #define CALL_FROM_THUNK_P(NODE) (CALL_EXPR_CHECK (NODE)->base.protected_flag)
925 /* In a CALL_EXPR, if the function being called is BUILT_IN_ALLOCA, means that
926 it has been built for the declaration of a variable-sized object. */
927 #define CALL_ALLOCA_FOR_VAR_P(NODE) \
928 (CALL_EXPR_CHECK (NODE)->base.protected_flag)
930 /* In a CALL_EXPR, means call was instrumented by Pointer Bounds Checker. */
931 #define CALL_WITH_BOUNDS_P(NODE) (CALL_EXPR_CHECK (NODE)->base.deprecated_flag)
933 /* Used in classes in C++. */
934 #define TREE_PRIVATE(NODE) ((NODE)->base.private_flag)
935 /* Used in classes in C++. */
936 #define TREE_PROTECTED(NODE) ((NODE)->base.protected_flag)
938 /* True if reference type NODE is a C++ rvalue reference. */
939 #define TYPE_REF_IS_RVALUE(NODE) \
940 (REFERENCE_TYPE_CHECK (NODE)->base.private_flag)
942 /* Nonzero in a _DECL if the use of the name is defined as a
943 deprecated feature by __attribute__((deprecated)). */
944 #define TREE_DEPRECATED(NODE) \
945 ((NODE)->base.deprecated_flag)
947 /* Nonzero in an IDENTIFIER_NODE if the name is a local alias, whose
948 uses are to be substituted for uses of the TREE_CHAINed identifier. */
949 #define IDENTIFIER_TRANSPARENT_ALIAS(NODE) \
950 (IDENTIFIER_NODE_CHECK (NODE)->base.deprecated_flag)
952 /* In an aggregate type, indicates that the scalar fields of the type are
953 stored in reverse order from the target order. This effectively
954 toggles BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN within the type. */
955 #define TYPE_REVERSE_STORAGE_ORDER(NODE) \
956 (TREE_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ARRAY_TYPE)->base.u.bits.saturating_flag)
958 /* In a non-aggregate type, indicates a saturating type. */
959 #define TYPE_SATURATING(NODE) \
960 (TREE_NOT_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ARRAY_TYPE)->base.u.bits.saturating_flag)
962 /* In a BIT_FIELD_REF and MEM_REF, indicates that the reference is to a group
963 of bits stored in reverse order from the target order. This effectively
964 toggles both BYTES_BIG_ENDIAN and WORDS_BIG_ENDIAN for the reference.
966 The overall strategy is to preserve the invariant that every scalar in
967 memory is associated with a single storage order, i.e. all accesses to
968 this scalar are done with the same storage order. This invariant makes
969 it possible to factor out the storage order in most transformations, as
970 only the address and/or the value (in target order) matter for them.
971 But, of course, the storage order must be preserved when the accesses
972 themselves are rewritten or transformed. */
973 #define REF_REVERSE_STORAGE_ORDER(NODE) \
974 (TREE_CHECK2 (NODE, BIT_FIELD_REF, MEM_REF)->base.default_def_flag)
976 /* In an ADDR_EXPR, indicates that this is a pointer to nested function
977 represented by a descriptor instead of a trampoline. */
978 #define FUNC_ADDR_BY_DESCRIPTOR(NODE) \
979 (TREE_CHECK (NODE, ADDR_EXPR)->base.default_def_flag)
981 /* In a CALL_EXPR, indicates that this is an indirect call for which
982 pointers to nested function are descriptors instead of trampolines. */
983 #define CALL_EXPR_BY_DESCRIPTOR(NODE) \
984 (TREE_CHECK (NODE, CALL_EXPR)->base.default_def_flag)
986 /* These flags are available for each language front end to use internally. */
987 #define TREE_LANG_FLAG_0(NODE) \
988 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_0)
989 #define TREE_LANG_FLAG_1(NODE) \
990 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_1)
991 #define TREE_LANG_FLAG_2(NODE) \
992 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_2)
993 #define TREE_LANG_FLAG_3(NODE) \
994 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_3)
995 #define TREE_LANG_FLAG_4(NODE) \
996 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_4)
997 #define TREE_LANG_FLAG_5(NODE) \
998 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_5)
999 #define TREE_LANG_FLAG_6(NODE) \
1000 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_6)
1002 /* Define additional fields and accessors for nodes representing constants. */
1004 #define TREE_INT_CST_NUNITS(NODE) \
1005 (INTEGER_CST_CHECK (NODE)->base.u.int_length.unextended)
1006 #define TREE_INT_CST_EXT_NUNITS(NODE) \
1007 (INTEGER_CST_CHECK (NODE)->base.u.int_length.extended)
1008 #define TREE_INT_CST_OFFSET_NUNITS(NODE) \
1009 (INTEGER_CST_CHECK (NODE)->base.u.int_length.offset)
1010 #define TREE_INT_CST_ELT(NODE, I) TREE_INT_CST_ELT_CHECK (NODE, I)
1011 #define TREE_INT_CST_LOW(NODE) \
1012 ((unsigned HOST_WIDE_INT) TREE_INT_CST_ELT (NODE, 0))
1014 #define TREE_REAL_CST_PTR(NODE) (REAL_CST_CHECK (NODE)->real_cst.real_cst_ptr)
1015 #define TREE_REAL_CST(NODE) (*TREE_REAL_CST_PTR (NODE))
1017 #define TREE_FIXED_CST_PTR(NODE) \
1018 (FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
1019 #define TREE_FIXED_CST(NODE) (*TREE_FIXED_CST_PTR (NODE))
1021 /* In a STRING_CST */
1022 /* In C terms, this is sizeof, not strlen. */
1023 #define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
1024 #define TREE_STRING_POINTER(NODE) \
1025 ((const char *)(STRING_CST_CHECK (NODE)->string.str))
1027 /* In a COMPLEX_CST node. */
1028 #define TREE_REALPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.real)
1029 #define TREE_IMAGPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.imag)
1031 /* In a VECTOR_CST node. */
1032 #define VECTOR_CST_NELTS(NODE) (TYPE_VECTOR_SUBPARTS (TREE_TYPE (NODE)))
1033 #define VECTOR_CST_ELTS(NODE) (VECTOR_CST_CHECK (NODE)->vector.elts)
1034 #define VECTOR_CST_ELT(NODE,IDX) (VECTOR_CST_CHECK (NODE)->vector.elts[IDX])
1036 /* Define fields and accessors for some special-purpose tree nodes. */
1038 #define IDENTIFIER_LENGTH(NODE) \
1039 (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len)
1040 #define IDENTIFIER_POINTER(NODE) \
1041 ((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str)
1042 #define IDENTIFIER_HASH_VALUE(NODE) \
1043 (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value)
1045 /* Translate a hash table identifier pointer to a tree_identifier
1046 pointer, and vice versa. */
1048 #define HT_IDENT_TO_GCC_IDENT(NODE) \
1049 ((tree) ((char *) (NODE) - sizeof (struct tree_common)))
1050 #define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
1052 /* In a TREE_LIST node. */
1053 #define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
1054 #define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
1056 /* In a TREE_VEC node. */
1057 #define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->base.u.length)
1058 #define TREE_VEC_END(NODE) \
1059 ((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->vec.base.u.length]))
1061 #define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
1063 /* In a CONSTRUCTOR node. */
1064 #define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
1065 #define CONSTRUCTOR_ELT(NODE,IDX) \
1066 (&(*CONSTRUCTOR_ELTS (NODE))[IDX])
1067 #define CONSTRUCTOR_NELTS(NODE) \
1068 (vec_safe_length (CONSTRUCTOR_ELTS (NODE)))
1069 #define CONSTRUCTOR_NO_CLEARING(NODE) \
1070 (CONSTRUCTOR_CHECK (NODE)->base.public_flag)
1072 /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding the
1073 value of each element (stored within VAL). IX must be a scratch variable
1074 of unsigned integer type. */
1075 #define FOR_EACH_CONSTRUCTOR_VALUE(V, IX, VAL) \
1076 for (IX = 0; (IX >= vec_safe_length (V)) \
1078 : ((VAL = (*(V))[IX].value), \
1082 /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding both
1083 the value of each element (stored within VAL) and its index (stored
1084 within INDEX). IX must be a scratch variable of unsigned integer type. */
1085 #define FOR_EACH_CONSTRUCTOR_ELT(V, IX, INDEX, VAL) \
1086 for (IX = 0; (IX >= vec_safe_length (V)) \
1088 : (((void) (VAL = (*V)[IX].value)), \
1089 (INDEX = (*V)[IX].index), \
1093 /* Append a new constructor element to V, with the specified INDEX and VAL. */
1094 #define CONSTRUCTOR_APPEND_ELT(V, INDEX, VALUE) \
1096 constructor_elt _ce___ = {INDEX, VALUE}; \
1097 vec_safe_push ((V), _ce___); \
1100 /* True if NODE, a FIELD_DECL, is to be processed as a bitfield for
1101 constructor output purposes. */
1102 #define CONSTRUCTOR_BITFIELD_P(NODE) \
1103 (DECL_BIT_FIELD (FIELD_DECL_CHECK (NODE)) && DECL_MODE (NODE) != BLKmode)
1105 /* True if NODE is a clobber right hand side, an expression of indeterminate
1106 value that clobbers the LHS in a copy instruction. We use a volatile
1107 empty CONSTRUCTOR for this, as it matches most of the necessary semantic.
1108 In particular the volatile flag causes us to not prematurely remove
1109 such clobber instructions. */
1110 #define TREE_CLOBBER_P(NODE) \
1111 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_THIS_VOLATILE (NODE))
1113 /* Define fields and accessors for some nodes that represent expressions. */
1115 /* Nonzero if NODE is an empty statement (NOP_EXPR <0>). */
1116 #define IS_EMPTY_STMT(NODE) (TREE_CODE (NODE) == NOP_EXPR \
1117 && VOID_TYPE_P (TREE_TYPE (NODE)) \
1118 && integer_zerop (TREE_OPERAND (NODE, 0)))
1120 /* In ordinary expression nodes. */
1121 #define TREE_OPERAND_LENGTH(NODE) tree_operand_length (NODE)
1122 #define TREE_OPERAND(NODE, I) TREE_OPERAND_CHECK (NODE, I)
1124 /* In a tcc_vl_exp node, operand 0 is an INT_CST node holding the operand
1125 length. Its value includes the length operand itself; that is,
1126 the minimum valid length is 1.
1127 Note that we have to bypass the use of TREE_OPERAND to access
1128 that field to avoid infinite recursion in expanding the macros. */
1129 #define VL_EXP_OPERAND_LENGTH(NODE) \
1130 ((int)TREE_INT_CST_LOW (VL_EXP_CHECK (NODE)->exp.operands[0]))
1132 /* Nonzero if is_gimple_debug() may possibly hold. */
1133 #define MAY_HAVE_DEBUG_STMTS (flag_var_tracking_assignments)
1135 /* In a LOOP_EXPR node. */
1136 #define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
1138 /* The source location of this expression. Non-tree_exp nodes such as
1139 decls and constants can be shared among multiple locations, so
1141 #define EXPR_LOCATION(NODE) \
1142 (CAN_HAVE_LOCATION_P ((NODE)) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
1143 #define SET_EXPR_LOCATION(NODE, LOCUS) EXPR_CHECK ((NODE))->exp.locus = (LOCUS)
1144 #define EXPR_HAS_LOCATION(NODE) (LOCATION_LOCUS (EXPR_LOCATION (NODE)) \
1145 != UNKNOWN_LOCATION)
1146 /* The location to be used in a diagnostic about this expression. Do not
1147 use this macro if the location will be assigned to other expressions. */
1148 #define EXPR_LOC_OR_LOC(NODE, LOCUS) (EXPR_HAS_LOCATION (NODE) \
1149 ? (NODE)->exp.locus : (LOCUS))
1150 #define EXPR_FILENAME(NODE) LOCATION_FILE (EXPR_CHECK ((NODE))->exp.locus)
1151 #define EXPR_LINENO(NODE) LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
1153 #define CAN_HAVE_RANGE_P(NODE) (CAN_HAVE_LOCATION_P (NODE))
1154 #define EXPR_LOCATION_RANGE(NODE) (get_expr_source_range (EXPR_CHECK ((NODE))))
1156 #define EXPR_HAS_RANGE(NODE) \
1157 (CAN_HAVE_RANGE_P (NODE) \
1158 ? EXPR_LOCATION_RANGE (NODE).m_start != UNKNOWN_LOCATION \
1161 /* True if a tree is an expression or statement that can have a
1163 #define CAN_HAVE_LOCATION_P(NODE) ((NODE) && EXPR_P (NODE))
1165 static inline source_range
1166 get_expr_source_range (tree expr)
1168 location_t loc = EXPR_LOCATION (expr);
1169 return get_range_from_loc (line_table, loc);
1172 extern void protected_set_expr_location (tree, location_t);
1174 /* In a TARGET_EXPR node. */
1175 #define TARGET_EXPR_SLOT(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 0)
1176 #define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 1)
1177 #define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 2)
1179 /* DECL_EXPR accessor. This gives access to the DECL associated with
1180 the given declaration statement. */
1181 #define DECL_EXPR_DECL(NODE) TREE_OPERAND (DECL_EXPR_CHECK (NODE), 0)
1183 #define EXIT_EXPR_COND(NODE) TREE_OPERAND (EXIT_EXPR_CHECK (NODE), 0)
1185 /* COMPOUND_LITERAL_EXPR accessors. */
1186 #define COMPOUND_LITERAL_EXPR_DECL_EXPR(NODE) \
1187 TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
1188 #define COMPOUND_LITERAL_EXPR_DECL(NODE) \
1189 DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_EXPR (NODE))
1191 /* SWITCH_EXPR accessors. These give access to the condition, body and
1192 original condition type (before any compiler conversions)
1193 of the switch statement, respectively. */
1194 #define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 0)
1195 #define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 1)
1196 #define SWITCH_LABELS(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 2)
1198 /* CASE_LABEL_EXPR accessors. These give access to the high and low values
1199 of a case label, respectively. */
1200 #define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 0)
1201 #define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 1)
1202 #define CASE_LABEL(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 2)
1203 #define CASE_CHAIN(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 3)
1205 /* The operands of a TARGET_MEM_REF. Operands 0 and 1 have to match
1206 corresponding MEM_REF operands. */
1207 #define TMR_BASE(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 0))
1208 #define TMR_OFFSET(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 1))
1209 #define TMR_INDEX(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 2))
1210 #define TMR_STEP(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 3))
1211 #define TMR_INDEX2(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 4))
1213 #define MR_DEPENDENCE_CLIQUE(NODE) \
1214 (TREE_CHECK2 (NODE, MEM_REF, TARGET_MEM_REF)->base.u.dependence_info.clique)
1215 #define MR_DEPENDENCE_BASE(NODE) \
1216 (TREE_CHECK2 (NODE, MEM_REF, TARGET_MEM_REF)->base.u.dependence_info.base)
1218 /* The operands of a BIND_EXPR. */
1219 #define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
1220 #define BIND_EXPR_BODY(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 1))
1221 #define BIND_EXPR_BLOCK(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 2))
1223 /* GOTO_EXPR accessor. This gives access to the label associated with
1224 a goto statement. */
1225 #define GOTO_DESTINATION(NODE) TREE_OPERAND ((NODE), 0)
1227 /* ASM_EXPR accessors. ASM_STRING returns a STRING_CST for the
1228 instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
1229 ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
1231 #define ASM_STRING(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 0)
1232 #define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 1)
1233 #define ASM_INPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
1234 #define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
1235 #define ASM_LABELS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 4)
1236 /* Nonzero if we want to create an ASM_INPUT instead of an
1237 ASM_OPERAND with no operands. */
1238 #define ASM_INPUT_P(NODE) (ASM_EXPR_CHECK (NODE)->base.static_flag)
1239 #define ASM_VOLATILE_P(NODE) (ASM_EXPR_CHECK (NODE)->base.public_flag)
1241 /* COND_EXPR accessors. */
1242 #define COND_EXPR_COND(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 0))
1243 #define COND_EXPR_THEN(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
1244 #define COND_EXPR_ELSE(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
1246 /* Accessors for the chains of recurrences. */
1247 #define CHREC_VAR(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 0)
1248 #define CHREC_LEFT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 1)
1249 #define CHREC_RIGHT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 2)
1250 #define CHREC_VARIABLE(NODE) TREE_INT_CST_LOW (CHREC_VAR (NODE))
1252 /* LABEL_EXPR accessor. This gives access to the label associated with
1253 the given label expression. */
1254 #define LABEL_EXPR_LABEL(NODE) TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)
1256 /* CATCH_EXPR accessors. */
1257 #define CATCH_TYPES(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 0)
1258 #define CATCH_BODY(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 1)
1260 /* EH_FILTER_EXPR accessors. */
1261 #define EH_FILTER_TYPES(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 0)
1262 #define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
1264 /* OBJ_TYPE_REF accessors. */
1265 #define OBJ_TYPE_REF_EXPR(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 0)
1266 #define OBJ_TYPE_REF_OBJECT(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 1)
1267 #define OBJ_TYPE_REF_TOKEN(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 2)
1269 /* ASSERT_EXPR accessors. */
1270 #define ASSERT_EXPR_VAR(NODE) TREE_OPERAND (ASSERT_EXPR_CHECK (NODE), 0)
1271 #define ASSERT_EXPR_COND(NODE) TREE_OPERAND (ASSERT_EXPR_CHECK (NODE), 1)
1273 /* CALL_EXPR accessors. */
1274 #define CALL_EXPR_FN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 1)
1275 #define CALL_EXPR_STATIC_CHAIN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 2)
1276 #define CALL_EXPR_ARG(NODE, I) TREE_OPERAND (CALL_EXPR_CHECK (NODE), (I) + 3)
1277 #define call_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH (NODE) - 3)
1278 #define CALL_EXPR_IFN(NODE) (CALL_EXPR_CHECK (NODE)->base.u.ifn)
1280 /* CALL_EXPR_ARGP returns a pointer to the argument vector for NODE.
1281 We can't use &CALL_EXPR_ARG (NODE, 0) because that will complain if
1282 the argument count is zero when checking is enabled. Instead, do
1283 the pointer arithmetic to advance past the 3 fixed operands in a
1284 CALL_EXPR. That produces a valid pointer to just past the end of the
1285 operand array, even if it's not valid to dereference it. */
1286 #define CALL_EXPR_ARGP(NODE) \
1287 (&(TREE_OPERAND (CALL_EXPR_CHECK (NODE), 0)) + 3)
1289 /* TM directives and accessors. */
1290 #define TRANSACTION_EXPR_BODY(NODE) \
1291 TREE_OPERAND (TRANSACTION_EXPR_CHECK (NODE), 0)
1292 #define TRANSACTION_EXPR_OUTER(NODE) \
1293 (TRANSACTION_EXPR_CHECK (NODE)->base.static_flag)
1294 #define TRANSACTION_EXPR_RELAXED(NODE) \
1295 (TRANSACTION_EXPR_CHECK (NODE)->base.public_flag)
1297 /* OpenMP and OpenACC directive and clause accessors. */
1299 /* Generic accessors for OMP nodes that keep the body as operand 0, and clauses
1301 #define OMP_BODY(NODE) \
1302 TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_PARALLEL, OMP_TASKGROUP), 0)
1303 #define OMP_CLAUSES(NODE) \
1304 TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_PARALLEL, OMP_SINGLE), 1)
1306 /* Generic accessors for OMP nodes that keep clauses as operand 0. */
1307 #define OMP_STANDALONE_CLAUSES(NODE) \
1308 TREE_OPERAND (TREE_RANGE_CHECK (NODE, OACC_CACHE, OMP_TARGET_EXIT_DATA), 0)
1310 #define OACC_DATA_BODY(NODE) \
1311 TREE_OPERAND (OACC_DATA_CHECK (NODE), 0)
1312 #define OACC_DATA_CLAUSES(NODE) \
1313 TREE_OPERAND (OACC_DATA_CHECK (NODE), 1)
1315 #define OACC_HOST_DATA_BODY(NODE) \
1316 TREE_OPERAND (OACC_HOST_DATA_CHECK (NODE), 0)
1317 #define OACC_HOST_DATA_CLAUSES(NODE) \
1318 TREE_OPERAND (OACC_HOST_DATA_CHECK (NODE), 1)
1320 #define OACC_CACHE_CLAUSES(NODE) \
1321 TREE_OPERAND (OACC_CACHE_CHECK (NODE), 0)
1323 #define OACC_DECLARE_CLAUSES(NODE) \
1324 TREE_OPERAND (OACC_DECLARE_CHECK (NODE), 0)
1326 #define OACC_ENTER_DATA_CLAUSES(NODE) \
1327 TREE_OPERAND (OACC_ENTER_DATA_CHECK (NODE), 0)
1329 #define OACC_EXIT_DATA_CLAUSES(NODE) \
1330 TREE_OPERAND (OACC_EXIT_DATA_CHECK (NODE), 0)
1332 #define OACC_UPDATE_CLAUSES(NODE) \
1333 TREE_OPERAND (OACC_UPDATE_CHECK (NODE), 0)
1335 #define OMP_PARALLEL_BODY(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 0)
1336 #define OMP_PARALLEL_CLAUSES(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 1)
1338 #define OMP_TASK_BODY(NODE) TREE_OPERAND (OMP_TASK_CHECK (NODE), 0)
1339 #define OMP_TASK_CLAUSES(NODE) TREE_OPERAND (OMP_TASK_CHECK (NODE), 1)
1341 #define OMP_TASKREG_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_TASK)
1342 #define OMP_TASKREG_BODY(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 0)
1343 #define OMP_TASKREG_CLAUSES(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 1)
1345 #define OMP_LOOP_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_FOR, OACC_LOOP)
1346 #define OMP_FOR_BODY(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 0)
1347 #define OMP_FOR_CLAUSES(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 1)
1348 #define OMP_FOR_INIT(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 2)
1349 #define OMP_FOR_COND(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 3)
1350 #define OMP_FOR_INCR(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 4)
1351 #define OMP_FOR_PRE_BODY(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 5)
1352 #define OMP_FOR_ORIG_DECLS(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 6)
1354 #define OMP_SECTIONS_BODY(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 0)
1355 #define OMP_SECTIONS_CLAUSES(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 1)
1357 #define OMP_SECTION_BODY(NODE) TREE_OPERAND (OMP_SECTION_CHECK (NODE), 0)
1359 #define OMP_SINGLE_BODY(NODE) TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 0)
1360 #define OMP_SINGLE_CLAUSES(NODE) TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 1)
1362 #define OMP_MASTER_BODY(NODE) TREE_OPERAND (OMP_MASTER_CHECK (NODE), 0)
1364 #define OMP_TASKGROUP_BODY(NODE) TREE_OPERAND (OMP_TASKGROUP_CHECK (NODE), 0)
1366 #define OMP_ORDERED_BODY(NODE) TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 0)
1367 #define OMP_ORDERED_CLAUSES(NODE) TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 1)
1369 #define OMP_CRITICAL_BODY(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 0)
1370 #define OMP_CRITICAL_CLAUSES(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 1)
1371 #define OMP_CRITICAL_NAME(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 2)
1373 #define OMP_TEAMS_BODY(NODE) TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 0)
1374 #define OMP_TEAMS_CLAUSES(NODE) TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 1)
1376 #define OMP_TARGET_DATA_BODY(NODE) \
1377 TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 0)
1378 #define OMP_TARGET_DATA_CLAUSES(NODE)\
1379 TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 1)
1381 #define OMP_TARGET_BODY(NODE) TREE_OPERAND (OMP_TARGET_CHECK (NODE), 0)
1382 #define OMP_TARGET_CLAUSES(NODE) TREE_OPERAND (OMP_TARGET_CHECK (NODE), 1)
1384 #define OMP_TARGET_UPDATE_CLAUSES(NODE)\
1385 TREE_OPERAND (OMP_TARGET_UPDATE_CHECK (NODE), 0)
1387 #define OMP_TARGET_ENTER_DATA_CLAUSES(NODE)\
1388 TREE_OPERAND (OMP_TARGET_ENTER_DATA_CHECK (NODE), 0)
1390 #define OMP_TARGET_EXIT_DATA_CLAUSES(NODE)\
1391 TREE_OPERAND (OMP_TARGET_EXIT_DATA_CHECK (NODE), 0)
1393 #define OMP_CLAUSE_SIZE(NODE) \
1394 OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE), \
1396 OMP_CLAUSE__CACHE_), 1)
1398 #define OMP_CLAUSE_CHAIN(NODE) TREE_CHAIN (OMP_CLAUSE_CHECK (NODE))
1399 #define OMP_CLAUSE_DECL(NODE) \
1400 OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE), \
1401 OMP_CLAUSE_PRIVATE, \
1402 OMP_CLAUSE__LOOPTEMP_), 0)
1403 #define OMP_CLAUSE_HAS_LOCATION(NODE) \
1404 (LOCATION_LOCUS ((OMP_CLAUSE_CHECK (NODE))->omp_clause.locus) \
1405 != UNKNOWN_LOCATION)
1406 #define OMP_CLAUSE_LOCATION(NODE) (OMP_CLAUSE_CHECK (NODE))->omp_clause.locus
1408 /* True on an OMP_SECTION statement that was the last lexical member.
1409 This status is meaningful in the implementation of lastprivate. */
1410 #define OMP_SECTION_LAST(NODE) \
1411 (OMP_SECTION_CHECK (NODE)->base.private_flag)
1413 /* True on an OMP_PARALLEL statement if it represents an explicit
1414 combined parallel work-sharing constructs. */
1415 #define OMP_PARALLEL_COMBINED(NODE) \
1416 (OMP_PARALLEL_CHECK (NODE)->base.private_flag)
1418 /* True on an OMP_TEAMS statement if it represents an explicit
1419 combined teams distribute constructs. */
1420 #define OMP_TEAMS_COMBINED(NODE) \
1421 (OMP_TEAMS_CHECK (NODE)->base.private_flag)
1423 /* True on an OMP_TARGET statement if it represents explicit
1424 combined target teams, target parallel or target simd constructs. */
1425 #define OMP_TARGET_COMBINED(NODE) \
1426 (OMP_TARGET_CHECK (NODE)->base.private_flag)
1428 /* True if OMP_ATOMIC* is supposed to be sequentially consistent
1429 as opposed to relaxed. */
1430 #define OMP_ATOMIC_SEQ_CST(NODE) \
1431 (TREE_RANGE_CHECK (NODE, OMP_ATOMIC, \
1432 OMP_ATOMIC_CAPTURE_NEW)->base.private_flag)
1434 /* True on a PRIVATE clause if its decl is kept around for debugging
1435 information only and its DECL_VALUE_EXPR is supposed to point
1436 to what it has been remapped to. */
1437 #define OMP_CLAUSE_PRIVATE_DEBUG(NODE) \
1438 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE)->base.public_flag)
1440 /* True on a PRIVATE clause if ctor needs access to outer region's
1442 #define OMP_CLAUSE_PRIVATE_OUTER_REF(NODE) \
1443 TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
1445 /* True if a PRIVATE clause is for a C++ class IV on taskloop construct
1446 (thus should be private on the outer taskloop and firstprivate on
1448 #define OMP_CLAUSE_PRIVATE_TASKLOOP_IV(NODE) \
1449 TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
1451 /* True on a FIRSTPRIVATE clause if it has been added implicitly. */
1452 #define OMP_CLAUSE_FIRSTPRIVATE_IMPLICIT(NODE) \
1453 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FIRSTPRIVATE)->base.public_flag)
1455 /* True on a LASTPRIVATE clause if a FIRSTPRIVATE clause for the same
1456 decl is present in the chain. */
1457 #define OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE(NODE) \
1458 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE)->base.public_flag)
1459 #define OMP_CLAUSE_LASTPRIVATE_STMT(NODE) \
1460 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
1461 OMP_CLAUSE_LASTPRIVATE),\
1463 #define OMP_CLAUSE_LASTPRIVATE_GIMPLE_SEQ(NODE) \
1464 (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
1466 /* True if a LASTPRIVATE clause is for a C++ class IV on taskloop construct
1467 (thus should be lastprivate on the outer taskloop and firstprivate on
1469 #define OMP_CLAUSE_LASTPRIVATE_TASKLOOP_IV(NODE) \
1470 TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE))
1472 /* True on a SHARED clause if a FIRSTPRIVATE clause for the same
1473 decl is present in the chain (this can happen only for taskloop
1474 with FIRSTPRIVATE/LASTPRIVATE on it originally. */
1475 #define OMP_CLAUSE_SHARED_FIRSTPRIVATE(NODE) \
1476 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SHARED)->base.public_flag)
1478 /* True on a SHARED clause if a scalar is not modified in the body and
1479 thus could be optimized as firstprivate. */
1480 #define OMP_CLAUSE_SHARED_READONLY(NODE) \
1481 TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SHARED))
1483 #define OMP_CLAUSE_IF_MODIFIER(NODE) \
1484 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF)->omp_clause.subcode.if_modifier)
1486 #define OMP_CLAUSE_FINAL_EXPR(NODE) \
1487 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FINAL), 0)
1488 #define OMP_CLAUSE_IF_EXPR(NODE) \
1489 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF), 0)
1490 #define OMP_CLAUSE_NUM_THREADS_EXPR(NODE) \
1491 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_THREADS),0)
1492 #define OMP_CLAUSE_SCHEDULE_CHUNK_EXPR(NODE) \
1493 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE), 0)
1494 #define OMP_CLAUSE_NUM_TASKS_EXPR(NODE) \
1495 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TASKS), 0)
1496 #define OMP_CLAUSE_HINT_EXPR(NODE) \
1497 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_HINT), 0)
1499 #define OMP_CLAUSE_GRAINSIZE_EXPR(NODE) \
1500 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GRAINSIZE),0)
1502 #define OMP_CLAUSE_PRIORITY_EXPR(NODE) \
1503 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIORITY),0)
1505 /* OpenACC clause expressions */
1506 #define OMP_CLAUSE_EXPR(NODE, CLAUSE) \
1507 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, CLAUSE), 0)
1508 #define OMP_CLAUSE_GANG_EXPR(NODE) \
1509 OMP_CLAUSE_OPERAND ( \
1510 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GANG), 0)
1511 #define OMP_CLAUSE_GANG_STATIC_EXPR(NODE) \
1512 OMP_CLAUSE_OPERAND ( \
1513 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_GANG), 1)
1514 #define OMP_CLAUSE_ASYNC_EXPR(NODE) \
1515 OMP_CLAUSE_OPERAND ( \
1516 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ASYNC), 0)
1517 #define OMP_CLAUSE_WAIT_EXPR(NODE) \
1518 OMP_CLAUSE_OPERAND ( \
1519 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_WAIT), 0)
1520 #define OMP_CLAUSE_VECTOR_EXPR(NODE) \
1521 OMP_CLAUSE_OPERAND ( \
1522 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_VECTOR), 0)
1523 #define OMP_CLAUSE_WORKER_EXPR(NODE) \
1524 OMP_CLAUSE_OPERAND ( \
1525 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_WORKER), 0)
1526 #define OMP_CLAUSE_NUM_GANGS_EXPR(NODE) \
1527 OMP_CLAUSE_OPERAND ( \
1528 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_GANGS), 0)
1529 #define OMP_CLAUSE_NUM_WORKERS_EXPR(NODE) \
1530 OMP_CLAUSE_OPERAND ( \
1531 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_WORKERS), 0)
1532 #define OMP_CLAUSE_VECTOR_LENGTH_EXPR(NODE) \
1533 OMP_CLAUSE_OPERAND ( \
1534 OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_VECTOR_LENGTH), 0)
1536 #define OMP_CLAUSE_DEPEND_KIND(NODE) \
1537 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEPEND)->omp_clause.subcode.depend_kind)
1539 #define OMP_CLAUSE_DEPEND_SINK_NEGATIVE(NODE) \
1540 TREE_PUBLIC (TREE_LIST_CHECK (NODE))
1542 #define OMP_CLAUSE_MAP_KIND(NODE) \
1543 ((enum gomp_map_kind) OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->omp_clause.subcode.map_kind)
1544 #define OMP_CLAUSE_SET_MAP_KIND(NODE, MAP_KIND) \
1545 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->omp_clause.subcode.map_kind \
1546 = (unsigned int) (MAP_KIND))
1548 /* Nonzero if this map clause is for array (rather than pointer) based array
1549 section with zero bias. Both the non-decl OMP_CLAUSE_MAP and corresponding
1550 OMP_CLAUSE_MAP with GOMP_MAP_POINTER are marked with this flag. */
1551 #define OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION(NODE) \
1552 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.public_flag)
1553 /* Nonzero if this is a mapped array section, that might need special
1554 treatment if OMP_CLAUSE_SIZE is zero. */
1555 #define OMP_CLAUSE_MAP_MAYBE_ZERO_LENGTH_ARRAY_SECTION(NODE) \
1556 TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
1557 /* Nonzero if this map clause is for an ACC parallel reduction variable. */
1558 #define OMP_CLAUSE_MAP_IN_REDUCTION(NODE) \
1559 TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP))
1561 #define OMP_CLAUSE_PROC_BIND_KIND(NODE) \
1562 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PROC_BIND)->omp_clause.subcode.proc_bind_kind)
1564 #define OMP_CLAUSE_COLLAPSE_EXPR(NODE) \
1565 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 0)
1566 #define OMP_CLAUSE_COLLAPSE_ITERVAR(NODE) \
1567 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 1)
1568 #define OMP_CLAUSE_COLLAPSE_COUNT(NODE) \
1569 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 2)
1571 #define OMP_CLAUSE_ORDERED_EXPR(NODE) \
1572 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ORDERED), 0)
1574 #define OMP_CLAUSE_REDUCTION_CODE(NODE) \
1575 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION)->omp_clause.subcode.reduction_code)
1576 #define OMP_CLAUSE_REDUCTION_INIT(NODE) \
1577 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 1)
1578 #define OMP_CLAUSE_REDUCTION_MERGE(NODE) \
1579 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 2)
1580 #define OMP_CLAUSE_REDUCTION_GIMPLE_INIT(NODE) \
1581 (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
1582 #define OMP_CLAUSE_REDUCTION_GIMPLE_MERGE(NODE) \
1583 (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_merge
1584 #define OMP_CLAUSE_REDUCTION_PLACEHOLDER(NODE) \
1585 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 3)
1586 #define OMP_CLAUSE_REDUCTION_DECL_PLACEHOLDER(NODE) \
1587 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 4)
1589 /* True if a REDUCTION clause may reference the original list item (omp_orig)
1590 in its OMP_CLAUSE_REDUCTION_{,GIMPLE_}INIT. */
1591 #define OMP_CLAUSE_REDUCTION_OMP_ORIG_REF(NODE) \
1592 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION)->base.public_flag)
1594 /* True if a LINEAR clause doesn't need copy in. True for iterator vars which
1595 are always initialized inside of the loop construct, false otherwise. */
1596 #define OMP_CLAUSE_LINEAR_NO_COPYIN(NODE) \
1597 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.public_flag)
1599 /* True if a LINEAR clause doesn't need copy out. True for iterator vars which
1600 are declared inside of the simd construct. */
1601 #define OMP_CLAUSE_LINEAR_NO_COPYOUT(NODE) \
1602 TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
1604 /* True if a LINEAR clause has a stride that is variable. */
1605 #define OMP_CLAUSE_LINEAR_VARIABLE_STRIDE(NODE) \
1606 TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
1608 /* True if a LINEAR clause is for an array or allocatable variable that
1609 needs special handling by the frontend. */
1610 #define OMP_CLAUSE_LINEAR_ARRAY(NODE) \
1611 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.deprecated_flag)
1613 #define OMP_CLAUSE_LINEAR_STEP(NODE) \
1614 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 1)
1616 #define OMP_CLAUSE_LINEAR_STMT(NODE) \
1617 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 2)
1619 #define OMP_CLAUSE_LINEAR_GIMPLE_SEQ(NODE) \
1620 (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
1622 #define OMP_CLAUSE_LINEAR_KIND(NODE) \
1623 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->omp_clause.subcode.linear_kind)
1625 #define OMP_CLAUSE_ALIGNED_ALIGNMENT(NODE) \
1626 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALIGNED), 1)
1628 #define OMP_CLAUSE_NUM_TEAMS_EXPR(NODE) \
1629 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TEAMS), 0)
1631 #define OMP_CLAUSE_THREAD_LIMIT_EXPR(NODE) \
1632 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
1633 OMP_CLAUSE_THREAD_LIMIT), 0)
1635 #define OMP_CLAUSE_DEVICE_ID(NODE) \
1636 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE), 0)
1638 #define OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR(NODE) \
1639 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
1640 OMP_CLAUSE_DIST_SCHEDULE), 0)
1642 #define OMP_CLAUSE_SAFELEN_EXPR(NODE) \
1643 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SAFELEN), 0)
1645 #define OMP_CLAUSE_SIMDLEN_EXPR(NODE) \
1646 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SIMDLEN), 0)
1648 #define OMP_CLAUSE__SIMDUID__DECL(NODE) \
1649 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SIMDUID_), 0)
1651 #define OMP_CLAUSE_SCHEDULE_KIND(NODE) \
1652 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->omp_clause.subcode.schedule_kind)
1654 /* True if a SCHEDULE clause has the simd modifier on it. */
1655 #define OMP_CLAUSE_SCHEDULE_SIMD(NODE) \
1656 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->base.public_flag)
1658 #define OMP_CLAUSE_DEFAULT_KIND(NODE) \
1659 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULT)->omp_clause.subcode.default_kind)
1661 #define OMP_CLAUSE_TILE_LIST(NODE) \
1662 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 0)
1663 #define OMP_CLAUSE_TILE_ITERVAR(NODE) \
1664 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 1)
1665 #define OMP_CLAUSE_TILE_COUNT(NODE) \
1666 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_TILE), 2)
1668 #define OMP_CLAUSE__GRIDDIM__DIMENSION(NODE) \
1669 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__GRIDDIM_)\
1670 ->omp_clause.subcode.dimension)
1671 #define OMP_CLAUSE__GRIDDIM__SIZE(NODE) \
1672 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__GRIDDIM_), 0)
1673 #define OMP_CLAUSE__GRIDDIM__GROUP(NODE) \
1674 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__GRIDDIM_), 1)
1676 /* SSA_NAME accessors. */
1678 /* Whether SSA_NAME NODE is a virtual operand. This simply caches the
1679 information in the underlying SSA_NAME_VAR for efficiency. */
1680 #define SSA_NAME_IS_VIRTUAL_OPERAND(NODE) \
1681 SSA_NAME_CHECK (NODE)->base.public_flag
1683 /* Returns the IDENTIFIER_NODE giving the SSA name a name or NULL_TREE
1684 if there is no name associated with it. */
1685 #define SSA_NAME_IDENTIFIER(NODE) \
1686 (SSA_NAME_CHECK (NODE)->ssa_name.var != NULL_TREE \
1687 ? (TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE \
1688 ? (NODE)->ssa_name.var \
1689 : DECL_NAME ((NODE)->ssa_name.var)) \
1692 /* Returns the variable being referenced. This can be NULL_TREE for
1693 temporaries not associated with any user variable.
1694 Once released, this is the only field that can be relied upon. */
1695 #define SSA_NAME_VAR(NODE) \
1696 (SSA_NAME_CHECK (NODE)->ssa_name.var == NULL_TREE \
1697 || TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE \
1698 ? NULL_TREE : (NODE)->ssa_name.var)
1700 #define SET_SSA_NAME_VAR_OR_IDENTIFIER(NODE,VAR) \
1703 tree var_ = (VAR); \
1704 SSA_NAME_CHECK (NODE)->ssa_name.var = var_; \
1705 SSA_NAME_IS_VIRTUAL_OPERAND (NODE) \
1707 && TREE_CODE (var_) == VAR_DECL \
1708 && VAR_DECL_IS_VIRTUAL_OPERAND (var_)); \
1712 /* Returns the statement which defines this SSA name. */
1713 #define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->ssa_name.def_stmt
1715 /* Returns the SSA version number of this SSA name. Note that in
1716 tree SSA, version numbers are not per variable and may be recycled. */
1717 #define SSA_NAME_VERSION(NODE) SSA_NAME_CHECK (NODE)->base.u.version
1719 /* Nonzero if this SSA name occurs in an abnormal PHI. SSA_NAMES are
1720 never output, so we can safely use the ASM_WRITTEN_FLAG for this
1722 #define SSA_NAME_OCCURS_IN_ABNORMAL_PHI(NODE) \
1723 SSA_NAME_CHECK (NODE)->base.asm_written_flag
1725 /* Nonzero if this SSA_NAME expression is currently on the free list of
1726 SSA_NAMES. Using NOTHROW_FLAG seems reasonably safe since throwing
1727 has no meaning for an SSA_NAME. */
1728 #define SSA_NAME_IN_FREE_LIST(NODE) \
1729 SSA_NAME_CHECK (NODE)->base.nothrow_flag
1731 /* Nonzero if this SSA_NAME is the default definition for the
1732 underlying symbol. A default SSA name is created for symbol S if
1733 the very first reference to S in the function is a read operation.
1734 Default definitions are always created by an empty statement and
1735 belong to no basic block. */
1736 #define SSA_NAME_IS_DEFAULT_DEF(NODE) \
1737 SSA_NAME_CHECK (NODE)->base.default_def_flag
1739 /* Attributes for SSA_NAMEs for pointer-type variables. */
1740 #define SSA_NAME_PTR_INFO(N) \
1741 SSA_NAME_CHECK (N)->ssa_name.info.ptr_info
1743 /* True if SSA_NAME_RANGE_INFO describes an anti-range. */
1744 #define SSA_NAME_ANTI_RANGE_P(N) \
1745 SSA_NAME_CHECK (N)->base.static_flag
1747 /* The type of range described by SSA_NAME_RANGE_INFO. */
1748 #define SSA_NAME_RANGE_TYPE(N) \
1749 (SSA_NAME_ANTI_RANGE_P (N) ? VR_ANTI_RANGE : VR_RANGE)
1751 /* Value range info attributes for SSA_NAMEs of non pointer-type variables. */
1752 #define SSA_NAME_RANGE_INFO(N) \
1753 SSA_NAME_CHECK (N)->ssa_name.info.range_info
1755 /* Return the immediate_use information for an SSA_NAME. */
1756 #define SSA_NAME_IMM_USE_NODE(NODE) SSA_NAME_CHECK (NODE)->ssa_name.imm_uses
1758 #define OMP_CLAUSE_CODE(NODE) \
1759 (OMP_CLAUSE_CHECK (NODE))->omp_clause.code
1761 #define OMP_CLAUSE_SET_CODE(NODE, CODE) \
1762 ((OMP_CLAUSE_CHECK (NODE))->omp_clause.code = (CODE))
1764 #define OMP_CLAUSE_OPERAND(NODE, I) \
1765 OMP_CLAUSE_ELT_CHECK (NODE, I)
1767 /* In a BLOCK node. */
1768 #define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
1769 #define BLOCK_NONLOCALIZED_VARS(NODE) \
1770 (BLOCK_CHECK (NODE)->block.nonlocalized_vars)
1771 #define BLOCK_NUM_NONLOCALIZED_VARS(NODE) \
1772 vec_safe_length (BLOCK_NONLOCALIZED_VARS (NODE))
1773 #define BLOCK_NONLOCALIZED_VAR(NODE,N) (*BLOCK_NONLOCALIZED_VARS (NODE))[N]
1774 #define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
1775 #define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
1776 #define BLOCK_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.chain)
1777 #define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
1778 #define BLOCK_ABSTRACT(NODE) (BLOCK_CHECK (NODE)->block.abstract_flag)
1779 #define BLOCK_DIE(NODE) (BLOCK_CHECK (NODE)->block.die)
1781 /* True if BLOCK has the same ranges as its BLOCK_SUPERCONTEXT. */
1782 #define BLOCK_SAME_RANGE(NODE) (BLOCK_CHECK (NODE)->base.u.bits.nameless_flag)
1784 /* True if BLOCK appears in cold section. */
1785 #define BLOCK_IN_COLD_SECTION_P(NODE) \
1786 (BLOCK_CHECK (NODE)->base.u.bits.atomic_flag)
1788 /* An index number for this block. These values are not guaranteed to
1789 be unique across functions -- whether or not they are depends on
1790 the debugging output format in use. */
1791 #define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
1793 /* If block reordering splits a lexical block into discontiguous
1794 address ranges, we'll make a copy of the original block.
1796 Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN.
1797 In that case, we have one source block that has been replicated
1798 (through inlining or unrolling) into many logical blocks, and that
1799 these logical blocks have different physical variables in them.
1801 In this case, we have one logical block split into several
1802 non-contiguous address ranges. Most debug formats can't actually
1803 represent this idea directly, so we fake it by creating multiple
1804 logical blocks with the same variables in them. However, for those
1805 that do support non-contiguous regions, these allow the original
1806 logical block to be reconstructed, along with the set of address
1809 One of the logical block fragments is arbitrarily chosen to be
1810 the ORIGIN. The other fragments will point to the origin via
1811 BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer
1812 be null. The list of fragments will be chained through
1813 BLOCK_FRAGMENT_CHAIN from the origin. */
1815 #define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin)
1816 #define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain)
1818 /* For an inlined function, this gives the location where it was called
1819 from. This is only set in the top level block, which corresponds to the
1820 inlined function scope. This is used in the debug output routines. */
1822 #define BLOCK_SOURCE_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.locus)
1824 /* This gives the location of the end of the block, useful to attach
1825 code implicitly generated for outgoing paths. */
1827 #define BLOCK_SOURCE_END_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.end_locus)
1829 /* Define fields and accessors for nodes representing data types. */
1831 /* See tree.def for documentation of the use of these fields.
1832 Look at the documentation of the various ..._TYPE tree codes.
1834 Note that the type.values, type.minval, and type.maxval fields are
1835 overloaded and used for different macros in different kinds of types.
1836 Each macro must check to ensure the tree node is of the proper kind of
1837 type. Note also that some of the front-ends also overload these fields,
1838 so they must be checked as well. */
1840 #define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type_common.uid)
1841 #define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type_common.size)
1842 #define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type_common.size_unit)
1843 #define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type_common.pointer_to)
1844 #define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type_common.reference_to)
1845 #define TYPE_PRECISION(NODE) (TYPE_CHECK (NODE)->type_common.precision)
1846 #define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type_common.name)
1847 #define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.next_variant)
1848 #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.main_variant)
1849 #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type_common.context)
1851 #define TYPE_MODE_RAW(NODE) (TYPE_CHECK (NODE)->type_common.mode)
1852 #define TYPE_MODE(NODE) \
1853 (VECTOR_TYPE_P (TYPE_CHECK (NODE)) \
1854 ? vector_type_mode (NODE) : (NODE)->type_common.mode)
1855 #define SET_TYPE_MODE(NODE, MODE) \
1856 (TYPE_CHECK (NODE)->type_common.mode = (MODE))
1858 extern machine_mode element_mode (const_tree t);
1860 /* The "canonical" type for this type node, which is used by frontends to
1861 compare the type for equality with another type. If two types are
1862 equal (based on the semantics of the language), then they will have
1863 equivalent TYPE_CANONICAL entries.
1865 As a special case, if TYPE_CANONICAL is NULL_TREE, and thus
1866 TYPE_STRUCTURAL_EQUALITY_P is true, then it cannot
1867 be used for comparison against other types. Instead, the type is
1868 said to require structural equality checks, described in
1869 TYPE_STRUCTURAL_EQUALITY_P.
1871 For unqualified aggregate and function types the middle-end relies on
1872 TYPE_CANONICAL to tell whether two variables can be assigned
1873 to each other without a conversion. The middle-end also makes sure
1874 to assign the same alias-sets to the type partition with equal
1875 TYPE_CANONICAL of their unqualified variants. */
1876 #define TYPE_CANONICAL(NODE) (TYPE_CHECK (NODE)->type_common.canonical)
1877 /* Indicates that the type node requires structural equality
1878 checks. The compiler will need to look at the composition of the
1879 type to determine whether it is equal to another type, rather than
1880 just comparing canonical type pointers. For instance, we would need
1881 to look at the return and parameter types of a FUNCTION_TYPE
1883 #define TYPE_STRUCTURAL_EQUALITY_P(NODE) (TYPE_CANONICAL (NODE) == NULL_TREE)
1884 /* Sets the TYPE_CANONICAL field to NULL_TREE, indicating that the
1885 type node requires structural equality. */
1886 #define SET_TYPE_STRUCTURAL_EQUALITY(NODE) (TYPE_CANONICAL (NODE) = NULL_TREE)
1888 #define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
1889 #define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
1891 /* The (language-specific) typed-based alias set for this type.
1892 Objects whose TYPE_ALIAS_SETs are different cannot alias each
1893 other. If the TYPE_ALIAS_SET is -1, no alias set has yet been
1894 assigned to this type. If the TYPE_ALIAS_SET is 0, objects of this
1895 type can alias objects of any type. */
1896 #define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type_common.alias_set)
1898 /* Nonzero iff the typed-based alias set for this type has been
1900 #define TYPE_ALIAS_SET_KNOWN_P(NODE) \
1901 (TYPE_CHECK (NODE)->type_common.alias_set != -1)
1903 /* A TREE_LIST of IDENTIFIER nodes of the attributes that apply
1905 #define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type_common.attributes)
1907 /* The alignment necessary for objects of this type.
1908 The value is an int, measured in bits and must be a power of two.
1909 We support also an "alignment" of zero. */
1910 #define TYPE_ALIGN(NODE) \
1911 (TYPE_CHECK (NODE)->type_common.align \
1912 ? ((unsigned)1) << ((NODE)->type_common.align - 1) : 0)
1914 /* Specify that TYPE_ALIGN(NODE) is X. */
1915 #define SET_TYPE_ALIGN(NODE, X) \
1916 (TYPE_CHECK (NODE)->type_common.align = ffs_hwi (X))
1918 /* 1 if the alignment for this type was requested by "aligned" attribute,
1919 0 if it is the default for this type. */
1920 #define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->base.u.bits.user_align)
1922 /* The alignment for NODE, in bytes. */
1923 #define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
1925 /* If your language allows you to declare types, and you want debug info
1926 for them, then you need to generate corresponding TYPE_DECL nodes.
1927 These "stub" TYPE_DECL nodes have no name, and simply point at the
1928 type node. You then set the TYPE_STUB_DECL field of the type node
1929 to point back at the TYPE_DECL node. This allows the debug routines
1930 to know that the two nodes represent the same type, so that we only
1931 get one debug info record for them. */
1932 #define TYPE_STUB_DECL(NODE) (TREE_CHAIN (TYPE_CHECK (NODE)))
1934 /* In a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ARRAY_TYPE, it means
1935 the type has BLKmode only because it lacks the alignment required for
1937 #define TYPE_NO_FORCE_BLK(NODE) \
1938 (TYPE_CHECK (NODE)->type_common.no_force_blk_flag)
1940 /* Nonzero in a type considered volatile as a whole. */
1941 #define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->base.volatile_flag)
1943 /* Nonzero in a type considered atomic as a whole. */
1944 #define TYPE_ATOMIC(NODE) (TYPE_CHECK (NODE)->base.u.bits.atomic_flag)
1946 /* Means this type is const-qualified. */
1947 #define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->base.readonly_flag)
1949 /* If nonzero, this type is `restrict'-qualified, in the C sense of
1951 #define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type_common.restrict_flag)
1953 /* If nonzero, type's name shouldn't be emitted into debug info. */
1954 #define TYPE_NAMELESS(NODE) (TYPE_CHECK (NODE)->base.u.bits.nameless_flag)
1956 /* The address space the type is in. */
1957 #define TYPE_ADDR_SPACE(NODE) (TYPE_CHECK (NODE)->base.u.bits.address_space)
1959 /* Encode/decode the named memory support as part of the qualifier. If more
1960 than 8 qualifiers are added, these macros need to be adjusted. */
1961 #define ENCODE_QUAL_ADDR_SPACE(NUM) ((NUM & 0xFF) << 8)
1962 #define DECODE_QUAL_ADDR_SPACE(X) (((X) >> 8) & 0xFF)
1964 /* Return all qualifiers except for the address space qualifiers. */
1965 #define CLEAR_QUAL_ADDR_SPACE(X) ((X) & ~0xFF00)
1967 /* Only keep the address space out of the qualifiers and discard the other
1969 #define KEEP_QUAL_ADDR_SPACE(X) ((X) & 0xFF00)
1971 /* The set of type qualifiers for this type. */
1972 #define TYPE_QUALS(NODE) \
1973 ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
1974 | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
1975 | (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC) \
1976 | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT) \
1977 | (ENCODE_QUAL_ADDR_SPACE (TYPE_ADDR_SPACE (NODE)))))
1979 /* The same as TYPE_QUALS without the address space qualifications. */
1980 #define TYPE_QUALS_NO_ADDR_SPACE(NODE) \
1981 ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
1982 | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
1983 | (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC) \
1984 | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
1986 /* The same as TYPE_QUALS without the address space and atomic
1988 #define TYPE_QUALS_NO_ADDR_SPACE_NO_ATOMIC(NODE) \
1989 ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
1990 | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
1991 | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
1993 /* These flags are available for each language front end to use internally. */
1994 #define TYPE_LANG_FLAG_0(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_0)
1995 #define TYPE_LANG_FLAG_1(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_1)
1996 #define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_2)
1997 #define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_3)
1998 #define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_4)
1999 #define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_5)
2000 #define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_6)
2001 #define TYPE_LANG_FLAG_7(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_7)
2003 /* Used to keep track of visited nodes in tree traversals. This is set to
2004 0 by copy_node and make_node. */
2005 #define TREE_VISITED(NODE) ((NODE)->base.visited)
2007 /* If set in an ARRAY_TYPE, indicates a string type (for languages
2008 that distinguish string from array of char).
2009 If set in a INTEGER_TYPE, indicates a character type. */
2010 #define TYPE_STRING_FLAG(NODE) (TYPE_CHECK (NODE)->type_common.string_flag)
2012 /* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */
2013 #define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \
2015 << VECTOR_TYPE_CHECK (VECTOR_TYPE)->type_common.precision)
2017 /* Set precision to n when we have 2^n sub-parts of the vector. */
2018 #define SET_TYPE_VECTOR_SUBPARTS(VECTOR_TYPE, X) \
2019 (VECTOR_TYPE_CHECK (VECTOR_TYPE)->type_common.precision = exact_log2 (X))
2021 /* Nonzero in a VECTOR_TYPE if the frontends should not emit warnings
2022 about missing conversions to other vector types of the same size. */
2023 #define TYPE_VECTOR_OPAQUE(NODE) \
2024 (VECTOR_TYPE_CHECK (NODE)->base.default_def_flag)
2026 /* Indicates that objects of this type must be initialized by calling a
2027 function when they are created. */
2028 #define TYPE_NEEDS_CONSTRUCTING(NODE) \
2029 (TYPE_CHECK (NODE)->type_common.needs_constructing_flag)
2031 /* Indicates that a UNION_TYPE object should be passed the same way that
2032 the first union alternative would be passed, or that a RECORD_TYPE
2033 object should be passed the same way that the first (and only) member
2035 #define TYPE_TRANSPARENT_AGGR(NODE) \
2036 (RECORD_OR_UNION_CHECK (NODE)->type_common.transparent_aggr_flag)
2038 /* For an ARRAY_TYPE, indicates that it is not permitted to take the
2039 address of a component of the type. This is the counterpart of
2040 DECL_NONADDRESSABLE_P for arrays, see the definition of this flag. */
2041 #define TYPE_NONALIASED_COMPONENT(NODE) \
2042 (ARRAY_TYPE_CHECK (NODE)->type_common.transparent_aggr_flag)
2044 /* For an ARRAY_TYPE, a RECORD_TYPE, a UNION_TYPE or a QUAL_UNION_TYPE
2045 whether the array is typeless storage or the type contains a member
2046 with this flag set. Such types are exempt from type-based alias
2047 analysis. For ARRAY_TYPEs with AGGREGATE_TYPE_P element types
2048 the flag should be inherited from the element type, can change
2049 when type is finalized and because of that should not be used in
2050 type hashing. For ARRAY_TYPEs with non-AGGREGATE_TYPE_P element types
2051 the flag should not be changed after the array is created and should
2052 be used in type hashing. */
2053 #define TYPE_TYPELESS_STORAGE(NODE) \
2054 (TREE_CHECK4 (NODE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, \
2055 ARRAY_TYPE)->type_common.typeless_storage)
2057 /* Indicated that objects of this type should be laid out in as
2058 compact a way as possible. */
2059 #define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->base.u.bits.packed_flag)
2061 /* Used by type_contains_placeholder_p to avoid recomputation.
2062 Values are: 0 (unknown), 1 (false), 2 (true). Never access
2063 this field directly. */
2064 #define TYPE_CONTAINS_PLACEHOLDER_INTERNAL(NODE) \
2065 (TYPE_CHECK (NODE)->type_common.contains_placeholder_bits)
2067 /* Nonzero if RECORD_TYPE represents a final derivation of class. */
2068 #define TYPE_FINAL_P(NODE) \
2069 (RECORD_OR_UNION_CHECK (NODE)->base.default_def_flag)
2071 /* The debug output functions use the symtab union field to store
2072 information specific to the debugging format. The different debug
2073 output hooks store different types in the union field. These three
2074 macros are used to access different fields in the union. The debug
2075 hooks are responsible for consistently using only a specific
2078 /* Symtab field as an integer. Used by stabs generator in dbxout.c to
2079 hold the type's number in the generated stabs. */
2080 #define TYPE_SYMTAB_ADDRESS(NODE) \
2081 (TYPE_CHECK (NODE)->type_common.symtab.address)
2083 /* Symtab field as a string. Used by COFF generator in sdbout.c to
2084 hold struct/union type tag names. */
2085 #define TYPE_SYMTAB_POINTER(NODE) \
2086 (TYPE_CHECK (NODE)->type_common.symtab.pointer)
2088 /* Symtab field as a pointer to a DWARF DIE. Used by DWARF generator
2089 in dwarf2out.c to point to the DIE generated for the type. */
2090 #define TYPE_SYMTAB_DIE(NODE) \
2091 (TYPE_CHECK (NODE)->type_common.symtab.die)
2093 /* The garbage collector needs to know the interpretation of the
2094 symtab field. These constants represent the different types in the
2097 #define TYPE_SYMTAB_IS_ADDRESS (0)
2098 #define TYPE_SYMTAB_IS_POINTER (1)
2099 #define TYPE_SYMTAB_IS_DIE (2)
2101 #define TYPE_LANG_SPECIFIC(NODE) \
2102 (TYPE_CHECK (NODE)->type_with_lang_specific.lang_specific)
2104 #define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type_non_common.values)
2105 #define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type_non_common.values)
2106 #define TYPE_FIELDS(NODE) \
2107 (RECORD_OR_UNION_CHECK (NODE)->type_non_common.values)
2108 #define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
2109 #define TYPE_ARG_TYPES(NODE) \
2110 (FUNC_OR_METHOD_CHECK (NODE)->type_non_common.values)
2111 #define TYPE_VALUES_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
2113 #define TYPE_MIN_VALUE(NODE) \
2114 (NUMERICAL_TYPE_CHECK (NODE)->type_non_common.minval)
2115 #define TYPE_NEXT_PTR_TO(NODE) \
2116 (POINTER_TYPE_CHECK (NODE)->type_non_common.minval)
2117 #define TYPE_NEXT_REF_TO(NODE) \
2118 (REFERENCE_TYPE_CHECK (NODE)->type_non_common.minval)
2119 #define TYPE_VFIELD(NODE) \
2120 (RECORD_OR_UNION_CHECK (NODE)->type_non_common.minval)
2121 #define TYPE_MIN_VALUE_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.minval)
2123 #define TYPE_MAX_VALUE(NODE) \
2124 (NUMERICAL_TYPE_CHECK (NODE)->type_non_common.maxval)
2125 #define TYPE_METHOD_BASETYPE(NODE) \
2126 (FUNC_OR_METHOD_CHECK (NODE)->type_non_common.maxval)
2127 #define TYPE_OFFSET_BASETYPE(NODE) \
2128 (OFFSET_TYPE_CHECK (NODE)->type_non_common.maxval)
2129 /* If non-NULL, this is an upper bound of the size (in bytes) of an
2130 object of the given ARRAY_TYPE_NON_COMMON. This allows temporaries to be
2132 #define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \
2133 (ARRAY_TYPE_CHECK (ARRAY_TYPE)->type_non_common.maxval)
2134 #define TYPE_MAX_VALUE_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.maxval)
2136 /* For record and union types, information about this type, as a base type
2138 #define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK (NODE)->type_non_common.binfo)
2140 /* For non record and union types, used in a language-dependent way. */
2141 #define TYPE_LANG_SLOT_1(NODE) \
2142 (NOT_RECORD_OR_UNION_CHECK (NODE)->type_non_common.binfo)
2144 /* Define accessor macros for information about type inheritance
2147 A "basetype" means a particular usage of a data type for inheritance
2148 in another type. Each such basetype usage has its own "binfo"
2149 object to describe it. The binfo object is a TREE_VEC node.
2151 Inheritance is represented by the binfo nodes allocated for a
2152 given type. For example, given types C and D, such that D is
2153 inherited by C, 3 binfo nodes will be allocated: one for describing
2154 the binfo properties of C, similarly one for D, and one for
2155 describing the binfo properties of D as a base type for C.
2156 Thus, given a pointer to class C, one can get a pointer to the binfo
2157 of D acting as a basetype for C by looking at C's binfo's basetypes. */
2159 /* BINFO specific flags. */
2161 /* Nonzero means that the derivation chain is via a `virtual' declaration. */
2162 #define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->base.static_flag)
2164 /* Flags for language dependent use. */
2165 #define BINFO_FLAG_0(NODE) TREE_LANG_FLAG_0 (TREE_BINFO_CHECK (NODE))
2166 #define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1 (TREE_BINFO_CHECK (NODE))
2167 #define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2 (TREE_BINFO_CHECK (NODE))
2168 #define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3 (TREE_BINFO_CHECK (NODE))
2169 #define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4 (TREE_BINFO_CHECK (NODE))
2170 #define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5 (TREE_BINFO_CHECK (NODE))
2171 #define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6 (TREE_BINFO_CHECK (NODE))
2173 /* The actual data type node being inherited in this basetype. */
2174 #define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK (NODE))
2176 /* The offset where this basetype appears in its containing type.
2177 BINFO_OFFSET slot holds the offset (in bytes)
2178 from the base of the complete object to the base of the part of the
2179 object that is allocated on behalf of this `type'.
2180 This is always 0 except when there is multiple inheritance. */
2182 #define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK (NODE)->binfo.offset)
2183 #define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
2185 /* The virtual function table belonging to this basetype. Virtual
2186 function tables provide a mechanism for run-time method dispatching.
2187 The entries of a virtual function table are language-dependent. */
2189 #define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtable)
2191 /* The virtual functions in the virtual function table. This is
2192 a TREE_LIST that is used as an initial approximation for building
2193 a virtual function table for this basetype. */
2194 #define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK (NODE)->binfo.virtuals)
2196 /* A vector of binfos for the direct basetypes inherited by this
2199 If this basetype describes type D as inherited in C, and if the
2200 basetypes of D are E and F, then this vector contains binfos for
2201 inheritance of E and F by C. */
2202 #define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK (NODE)->binfo.base_binfos)
2204 /* The number of basetypes for NODE. */
2205 #define BINFO_N_BASE_BINFOS(NODE) (BINFO_BASE_BINFOS (NODE)->length ())
2207 /* Accessor macro to get to the Nth base binfo of this binfo. */
2208 #define BINFO_BASE_BINFO(NODE,N) \
2209 ((*BINFO_BASE_BINFOS (NODE))[(N)])
2210 #define BINFO_BASE_ITERATE(NODE,N,B) \
2211 (BINFO_BASE_BINFOS (NODE)->iterate ((N), &(B)))
2212 #define BINFO_BASE_APPEND(NODE,T) \
2213 (BINFO_BASE_BINFOS (NODE)->quick_push ((T)))
2215 /* For a BINFO record describing a virtual base class, i.e., one where
2216 TREE_VIA_VIRTUAL is set, this field assists in locating the virtual
2217 base. The actual contents are language-dependent. In the C++
2218 front-end this field is an INTEGER_CST giving an offset into the
2219 vtable where the offset to the virtual base can be found. */
2220 #define BINFO_VPTR_FIELD(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vptr_field)
2222 /* Indicates the accesses this binfo has to its bases. The values are
2223 access_public_node, access_protected_node or access_private_node.
2224 If this array is not present, public access is implied. */
2225 #define BINFO_BASE_ACCESSES(NODE) \
2226 (TREE_BINFO_CHECK (NODE)->binfo.base_accesses)
2228 #define BINFO_BASE_ACCESS(NODE,N) \
2229 (*BINFO_BASE_ACCESSES (NODE))[(N)]
2230 #define BINFO_BASE_ACCESS_APPEND(NODE,T) \
2231 BINFO_BASE_ACCESSES (NODE)->quick_push ((T))
2233 /* The index in the VTT where this subobject's sub-VTT can be found.
2234 NULL_TREE if there is no sub-VTT. */
2235 #define BINFO_SUBVTT_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_subvtt)
2237 /* The index in the VTT where the vptr for this subobject can be
2238 found. NULL_TREE if there is no secondary vptr in the VTT. */
2239 #define BINFO_VPTR_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_vptr)
2241 /* The BINFO_INHERITANCE_CHAIN points at the binfo for the base
2242 inheriting this base for non-virtual bases. For virtual bases it
2243 points either to the binfo for which this is a primary binfo, or to
2244 the binfo of the most derived type. */
2245 #define BINFO_INHERITANCE_CHAIN(NODE) \
2246 (TREE_BINFO_CHECK (NODE)->binfo.inheritance)
2249 /* Define fields and accessors for nodes representing declared names. */
2251 /* Nonzero if DECL represents an SSA name or a variable that can possibly
2252 have an associated SSA name. */
2253 #define SSA_VAR_P(DECL) \
2254 (TREE_CODE (DECL) == VAR_DECL \
2255 || TREE_CODE (DECL) == PARM_DECL \
2256 || TREE_CODE (DECL) == RESULT_DECL \
2257 || TREE_CODE (DECL) == SSA_NAME)
2260 #define DECL_CHAIN(NODE) (TREE_CHAIN (DECL_MINIMAL_CHECK (NODE)))
2262 /* This is the name of the object as written by the user.
2263 It is an IDENTIFIER_NODE. */
2264 #define DECL_NAME(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.name)
2266 /* The IDENTIFIER_NODE associated with the TYPE_NAME field. */
2267 #define TYPE_IDENTIFIER(NODE) \
2268 (TYPE_NAME (NODE) && DECL_P (TYPE_NAME (NODE)) \
2269 ? DECL_NAME (TYPE_NAME (NODE)) : TYPE_NAME (NODE))
2271 /* Every ..._DECL node gets a unique number. */
2272 #define DECL_UID(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.uid)
2274 /* DEBUG_EXPR_DECLs get negative UID numbers, to catch erroneous
2276 #define DEBUG_TEMP_UID(NODE) (-DECL_UID (TREE_CHECK ((NODE), DEBUG_EXPR_DECL)))
2278 /* Every ..._DECL node gets a unique number that stays the same even
2279 when the decl is copied by the inliner once it is set. */
2280 #define DECL_PT_UID(NODE) \
2281 (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid == -1u \
2282 ? (NODE)->decl_minimal.uid : (NODE)->decl_common.pt_uid)
2283 /* Initialize the ..._DECL node pt-uid to the decls uid. */
2284 #define SET_DECL_PT_UID(NODE, UID) \
2285 (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid = (UID))
2286 /* Whether the ..._DECL node pt-uid has been initialized and thus needs to
2287 be preserved when copyin the decl. */
2288 #define DECL_PT_UID_SET_P(NODE) \
2289 (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid != -1u)
2291 /* These two fields describe where in the source code the declaration
2292 was. If the declaration appears in several places (as for a C
2293 function that is declared first and then defined later), this
2294 information should refer to the definition. */
2295 #define DECL_SOURCE_LOCATION(NODE) \
2296 (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
2297 #define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
2298 #define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
2299 #define DECL_SOURCE_COLUMN(NODE) LOCATION_COLUMN (DECL_SOURCE_LOCATION (NODE))
2300 /* This accessor returns TRUE if the decl it operates on was created
2301 by a front-end or back-end rather than by user code. In this case
2302 builtin-ness is indicated by source location. */
2303 #define DECL_IS_BUILTIN(DECL) \
2304 (LOCATION_LOCUS (DECL_SOURCE_LOCATION (DECL)) <= BUILTINS_LOCATION)
2306 #define DECL_LOCATION_RANGE(NODE) \
2307 (get_decl_source_range (DECL_MINIMAL_CHECK (NODE)))
2309 /* For FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
2310 QUAL_UNION_TYPE node that the field is a member of. For VAR_DECL,
2311 PARM_DECL, FUNCTION_DECL, LABEL_DECL, RESULT_DECL, and CONST_DECL
2312 nodes, this points to either the FUNCTION_DECL for the containing
2313 function, the RECORD_TYPE or UNION_TYPE for the containing type, or
2314 NULL_TREE or a TRANSLATION_UNIT_DECL if the given decl has "file
2315 scope". In particular, for VAR_DECLs which are virtual table pointers
2316 (they have DECL_VIRTUAL set), we use DECL_CONTEXT to determine the type
2318 #define DECL_CONTEXT(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.context)
2319 #define DECL_FIELD_CONTEXT(NODE) \
2320 (FIELD_DECL_CHECK (NODE)->decl_minimal.context)
2322 /* If nonzero, decl's name shouldn't be emitted into debug info. */
2323 #define DECL_NAMELESS(NODE) (DECL_MINIMAL_CHECK (NODE)->base.u.bits.nameless_flag)
2325 /* For any sort of a ..._DECL node, this points to the original (abstract)
2326 decl node which this decl is an inlined/cloned instance of, or else it
2327 is NULL indicating that this decl is not an instance of some other decl.
2329 The C front-end also uses this in a nested declaration of an inline
2330 function, to point back to the definition. */
2331 #define DECL_ABSTRACT_ORIGIN(NODE) \
2332 (DECL_COMMON_CHECK (NODE)->decl_common.abstract_origin)
2334 /* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
2335 origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */
2336 #define DECL_ORIGIN(NODE) \
2337 (DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE))
2339 /* Nonzero for any sort of ..._DECL node means this decl node represents an
2340 inline instance of some original (abstract) decl from an inline function;
2341 suppress any warnings about shadowing some other variable. FUNCTION_DECL
2342 nodes can also have their abstract origin set to themselves. */
2343 #define DECL_FROM_INLINE(NODE) \
2344 (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
2345 && DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
2347 /* In a DECL this is the field where attributes are stored. */
2348 #define DECL_ATTRIBUTES(NODE) \
2349 (DECL_COMMON_CHECK (NODE)->decl_common.attributes)
2351 /* For a FUNCTION_DECL, holds the tree of BINDINGs.
2352 For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
2353 For a VAR_DECL, holds the initial value.
2354 For a PARM_DECL, used for DECL_ARG_TYPE--default
2355 values for parameters are encoded in the type of the function,
2356 not in the PARM_DECL slot.
2357 For a FIELD_DECL, this is used for enumeration values and the C
2358 frontend uses it for temporarily storing bitwidth of bitfields.
2360 ??? Need to figure out some way to check this isn't a PARM_DECL. */
2361 #define DECL_INITIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.initial)
2363 /* Holds the size of the datum, in bits, as a tree expression.
2364 Need not be constant. */
2365 #define DECL_SIZE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size)
2366 /* Likewise for the size in bytes. */
2367 #define DECL_SIZE_UNIT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size_unit)
2368 /* Returns the alignment required for the datum, in bits. It must
2369 be a power of two, but an "alignment" of zero is supported
2370 (e.g. as "uninitialized" sentinel). */
2371 #define DECL_ALIGN(NODE) \
2372 (DECL_COMMON_CHECK (NODE)->decl_common.align \
2373 ? ((unsigned)1) << ((NODE)->decl_common.align - 1) : 0)
2374 /* Specify that DECL_ALIGN(NODE) is X. */
2375 #define SET_DECL_ALIGN(NODE, X) \
2376 (DECL_COMMON_CHECK (NODE)->decl_common.align = ffs_hwi (X))
2378 /* The alignment of NODE, in bytes. */
2379 #define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
2380 /* Set if the alignment of this DECL has been set by the user, for
2381 example with an 'aligned' attribute. */
2382 #define DECL_USER_ALIGN(NODE) \
2383 (DECL_COMMON_CHECK (NODE)->base.u.bits.user_align)
2384 /* Holds the machine mode corresponding to the declaration of a variable or
2385 field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
2387 #define DECL_MODE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.mode)
2388 #define SET_DECL_MODE(NODE, MODE) \
2389 (DECL_COMMON_CHECK (NODE)->decl_common.mode = (MODE))
2391 /* For FUNCTION_DECL, if it is built-in, this identifies which built-in
2392 operation it is. Note, however, that this field is overloaded, with
2393 DECL_BUILT_IN_CLASS as the discriminant, so the latter must always be
2394 checked before any access to the former. */
2395 #define DECL_FUNCTION_CODE(NODE) \
2396 (FUNCTION_DECL_CHECK (NODE)->function_decl.function_code)
2398 #define DECL_FUNCTION_PERSONALITY(NODE) \
2399 (FUNCTION_DECL_CHECK (NODE)->function_decl.personality)
2401 /* Nonzero for a given ..._DECL node means that the name of this node should
2402 be ignored for symbolic debug purposes. For a TYPE_DECL, this means that
2403 the associated type should be ignored. For a FUNCTION_DECL, the body of
2404 the function should also be ignored. */
2405 #define DECL_IGNORED_P(NODE) \
2406 (DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
2408 /* Nonzero for a given ..._DECL node means that this node represents an
2409 "abstract instance" of the given declaration (e.g. in the original
2410 declaration of an inline function). When generating symbolic debugging
2411 information, we mustn't try to generate any address information for nodes
2412 marked as "abstract instances" because we don't actually generate
2413 any code or allocate any data space for such instances. */
2414 #define DECL_ABSTRACT_P(NODE) \
2415 (DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
2417 /* Language-specific decl information. */
2418 #define DECL_LANG_SPECIFIC(NODE) \
2419 (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
2421 /* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference:
2422 do not allocate storage, and refer to a definition elsewhere. Note that
2423 this does not necessarily imply the entity represented by NODE
2424 has no program source-level definition in this translation unit. For
2425 example, for a FUNCTION_DECL, DECL_SAVED_TREE may be non-NULL and
2426 DECL_EXTERNAL may be true simultaneously; that can be the case for
2427 a C99 "extern inline" function. */
2428 #define DECL_EXTERNAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.decl_flag_1)
2430 /* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
2431 For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
2433 For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
2435 Also set in some languages for variables, etc., outside the normal
2436 lexical scope, such as class instance variables. */
2437 #define DECL_NONLOCAL(NODE) \
2438 (DECL_COMMON_CHECK (NODE)->decl_common.nonlocal_flag)
2440 /* Used in VAR_DECLs to indicate that the variable is a vtable.
2441 Used in FIELD_DECLs for vtable pointers.
2442 Used in FUNCTION_DECLs to indicate that the function is virtual. */
2443 #define DECL_VIRTUAL_P(NODE) \
2444 (DECL_COMMON_CHECK (NODE)->decl_common.virtual_flag)
2446 /* Used to indicate that this DECL represents a compiler-generated entity. */
2447 #define DECL_ARTIFICIAL(NODE) \
2448 (DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
2450 /* Additional flags for language-specific uses. */
2451 #define DECL_LANG_FLAG_0(NODE) \
2452 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
2453 #define DECL_LANG_FLAG_1(NODE) \
2454 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
2455 #define DECL_LANG_FLAG_2(NODE) \
2456 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
2457 #define DECL_LANG_FLAG_3(NODE) \
2458 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
2459 #define DECL_LANG_FLAG_4(NODE) \
2460 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
2461 #define DECL_LANG_FLAG_5(NODE) \
2462 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
2463 #define DECL_LANG_FLAG_6(NODE) \
2464 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
2465 #define DECL_LANG_FLAG_7(NODE) \
2466 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
2467 #define DECL_LANG_FLAG_8(NODE) \
2468 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_8)
2470 /* Nonzero for a scope which is equal to file scope. */
2471 #define SCOPE_FILE_SCOPE_P(EXP) \
2472 (! (EXP) || TREE_CODE (EXP) == TRANSLATION_UNIT_DECL)
2473 /* Nonzero for a decl which is at file scope. */
2474 #define DECL_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (DECL_CONTEXT (EXP))
2475 /* Nonzero for a type which is at file scope. */
2476 #define TYPE_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (TYPE_CONTEXT (EXP))
2478 /* Nonzero for a decl that is decorated using attribute used.
2479 This indicates to compiler tools that this decl needs to be preserved. */
2480 #define DECL_PRESERVE_P(DECL) \
2481 DECL_COMMON_CHECK (DECL)->decl_common.preserve_flag
2483 /* For function local variables of COMPLEX and VECTOR types,
2484 indicates that the variable is not aliased, and that all
2485 modifications to the variable have been adjusted so that
2486 they are killing assignments. Thus the variable may now
2487 be treated as a GIMPLE register, and use real instead of
2488 virtual ops in SSA form. */
2489 #define DECL_GIMPLE_REG_P(DECL) \
2490 DECL_COMMON_CHECK (DECL)->decl_common.gimple_reg_flag
2492 extern tree decl_value_expr_lookup (tree);
2493 extern void decl_value_expr_insert (tree, tree);
2495 /* In a VAR_DECL or PARM_DECL, the location at which the value may be found,
2496 if transformations have made this more complicated than evaluating the
2498 #define DECL_HAS_VALUE_EXPR_P(NODE) \
2499 (TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, RESULT_DECL) \
2500 ->decl_common.decl_flag_2)
2501 #define DECL_VALUE_EXPR(NODE) \
2502 (decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))
2503 #define SET_DECL_VALUE_EXPR(NODE, VAL) \
2504 (decl_value_expr_insert (DECL_WRTL_CHECK (NODE), VAL))
2506 /* Holds the RTL expression for the value of a variable or function.
2507 This value can be evaluated lazily for functions, variables with
2508 static storage duration, and labels. */
2509 #define DECL_RTL(NODE) \
2510 (DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl \
2511 ? (NODE)->decl_with_rtl.rtl \
2512 : (make_decl_rtl (NODE), (NODE)->decl_with_rtl.rtl))
2514 /* Set the DECL_RTL for NODE to RTL. */
2515 #define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
2517 /* Returns nonzero if NODE is a tree node that can contain RTL. */
2518 #define HAS_RTL_P(NODE) (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WRTL))
2520 /* Returns nonzero if the DECL_RTL for NODE has already been set. */
2521 #define DECL_RTL_SET_P(NODE) \
2522 (HAS_RTL_P (NODE) && DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl != NULL)
2524 /* Copy the RTL from NODE1 to NODE2. If the RTL was not set for
2525 NODE1, it will not be set for NODE2; this is a lazy copy. */
2526 #define COPY_DECL_RTL(NODE1, NODE2) \
2527 (DECL_WRTL_CHECK (NODE2)->decl_with_rtl.rtl \
2528 = DECL_WRTL_CHECK (NODE1)->decl_with_rtl.rtl)
2530 /* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */
2531 #define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
2533 #if (GCC_VERSION >= 2007)
2534 #define DECL_RTL_KNOWN_SET(decl) __extension__ \
2535 ({ tree const __d = (decl); \
2536 gcc_checking_assert (DECL_RTL_SET_P (__d)); \
2537 /* Dereference it so the compiler knows it can't be NULL even \
2538 without assertion checking. */ \
2539 &*DECL_RTL_IF_SET (__d); })
2541 #define DECL_RTL_KNOWN_SET(decl) (&*DECL_RTL_IF_SET (decl))
2544 /* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
2545 #define DECL_REGISTER(NODE) (DECL_WRTL_CHECK (NODE)->decl_common.decl_flag_0)
2547 /* In a FIELD_DECL, this is the field position, counting in bytes, of the
2548 DECL_OFFSET_ALIGN-bit-sized word containing the bit closest to the beginning
2549 of the structure. */
2550 #define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.offset)
2552 /* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
2553 field from DECL_FIELD_OFFSET. This field may be nonzero even for fields
2554 that are not bit fields (since DECL_OFFSET_ALIGN may be larger than the
2555 natural alignment of the field's type). */
2556 #define DECL_FIELD_BIT_OFFSET(NODE) \
2557 (FIELD_DECL_CHECK (NODE)->field_decl.bit_offset)
2559 /* In a FIELD_DECL, this indicates whether the field was a bit-field and
2560 if so, the type that was originally specified for it.
2561 TREE_TYPE may have been modified (in finish_struct). */
2562 #define DECL_BIT_FIELD_TYPE(NODE) \
2563 (FIELD_DECL_CHECK (NODE)->field_decl.bit_field_type)
2565 /* In a FIELD_DECL of a RECORD_TYPE, this is a pointer to the storage
2566 representative FIELD_DECL. */
2567 #define DECL_BIT_FIELD_REPRESENTATIVE(NODE) \
2568 (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
2570 /* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
2571 if nonzero, indicates that the field occupies the type. */
2572 #define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
2574 /* For FIELD_DECLs, off_align holds the number of low-order bits of
2575 DECL_FIELD_OFFSET which are known to be always zero.
2576 DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
2578 #define DECL_OFFSET_ALIGN(NODE) \
2579 (((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl_common.off_align)
2581 /* Specify that DECL_OFFSET_ALIGN(NODE) is X. */
2582 #define SET_DECL_OFFSET_ALIGN(NODE, X) \
2583 (FIELD_DECL_CHECK (NODE)->decl_common.off_align = ffs_hwi (X) - 1)
2585 /* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
2586 which this FIELD_DECL is defined. This information is needed when
2587 writing debugging information about vfield and vbase decls for C++. */
2588 #define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.fcontext)
2590 /* In a FIELD_DECL, indicates this field should be bit-packed. */
2591 #define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->base.u.bits.packed_flag)
2593 /* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed
2595 #define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_1)
2597 /* Used in a FIELD_DECL to indicate that we cannot form the address of
2598 this component. This makes it possible for Type-Based Alias Analysis
2599 to disambiguate accesses to this field with indirect accesses using
2602 struct S { int i; } s;
2605 If the flag is set on 'i', TBAA computes that s.i and *p never conflict.
2607 From the implementation's viewpoint, the alias set of the type of the
2608 field 'i' (int) will not be recorded as a subset of that of the type of
2609 's' (struct S) in record_component_aliases. The counterpart is that
2610 accesses to s.i must not be given the alias set of the type of 'i'
2611 (int) but instead directly that of the type of 's' (struct S). */
2612 #define DECL_NONADDRESSABLE_P(NODE) \
2613 (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
2615 /* A numeric unique identifier for a LABEL_DECL. The UID allocation is
2616 dense, unique within any one function, and may be used to index arrays.
2617 If the value is -1, then no UID has been assigned. */
2618 #define LABEL_DECL_UID(NODE) \
2619 (LABEL_DECL_CHECK (NODE)->label_decl.label_decl_uid)
2621 /* In a LABEL_DECL, the EH region number for which the label is the
2622 post_landing_pad. */
2623 #define EH_LANDING_PAD_NR(NODE) \
2624 (LABEL_DECL_CHECK (NODE)->label_decl.eh_landing_pad_nr)
2626 /* For a PARM_DECL, records the data type used to pass the argument,
2627 which may be different from the type seen in the program. */
2628 #define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl_common.initial)
2630 /* For PARM_DECL, holds an RTL for the stack slot or register
2631 where the data was actually passed. */
2632 #define DECL_INCOMING_RTL(NODE) \
2633 (PARM_DECL_CHECK (NODE)->parm_decl.incoming_rtl)
2635 /* Nonzero for a given ..._DECL node means that no warnings should be
2636 generated just because this node is unused. */
2637 #define DECL_IN_SYSTEM_HEADER(NODE) \
2638 (in_system_header_at (DECL_SOURCE_LOCATION (NODE)))
2640 /* Used to indicate that the linkage status of this DECL is not yet known,
2641 so it should not be output now. */
2642 #define DECL_DEFER_OUTPUT(NODE) \
2643 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
2645 /* In a VAR_DECL that's static,
2646 nonzero if the space is in the text section. */
2647 #define DECL_IN_TEXT_SECTION(NODE) \
2648 (VAR_DECL_CHECK (NODE)->decl_with_vis.in_text_section)
2650 /* In a VAR_DECL that's static,
2651 nonzero if it belongs to the global constant pool. */
2652 #define DECL_IN_CONSTANT_POOL(NODE) \
2653 (VAR_DECL_CHECK (NODE)->decl_with_vis.in_constant_pool)
2655 /* Nonzero for a given ..._DECL node means that this node should be
2656 put in .common, if possible. If a DECL_INITIAL is given, and it
2657 is not error_mark_node, then the decl cannot be put in .common. */
2658 #define DECL_COMMON(NODE) \
2659 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.common_flag)
2661 /* In a VAR_DECL, nonzero if the decl is a register variable with
2662 an explicit asm specification. */
2663 #define DECL_HARD_REGISTER(NODE) \
2664 (VAR_DECL_CHECK (NODE)->decl_with_vis.hard_register)
2666 /* Used to indicate that this DECL has weak linkage. */
2667 #define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
2669 /* Used to indicate that the DECL is a dllimport. */
2670 #define DECL_DLLIMPORT_P(NODE) \
2671 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_flag)
2673 /* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
2674 not be put out unless it is needed in this translation unit.
2675 Entities like this are shared across translation units (like weak
2676 entities), but are guaranteed to be generated by any translation
2677 unit that needs them, and therefore need not be put out anywhere
2678 where they are not needed. DECL_COMDAT is just a hint to the
2679 back-end; it is up to front-ends which set this flag to ensure
2680 that there will never be any harm, other than bloat, in putting out
2681 something which is DECL_COMDAT. */
2682 #define DECL_COMDAT(NODE) \
2683 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
2685 #define DECL_COMDAT_GROUP(NODE) \
2686 decl_comdat_group (NODE)
2688 /* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
2689 multiple translation units should be merged. */
2690 #define DECL_ONE_ONLY(NODE) (DECL_COMDAT_GROUP (NODE) != NULL_TREE \
2691 && (TREE_PUBLIC (NODE) || DECL_EXTERNAL (NODE)))
2693 /* The name of the object as the assembler will see it (but before any
2694 translations made by ASM_OUTPUT_LABELREF). Often this is the same
2695 as DECL_NAME. It is an IDENTIFIER_NODE.
2697 ASSEMBLER_NAME of TYPE_DECLS may store global name of type used for
2698 One Definition Rule based type merging at LTO. It is computed only for
2699 LTO compilation and C++. */
2700 #define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE)
2702 /* Return true if NODE is a NODE that can contain a DECL_ASSEMBLER_NAME.
2703 This is true of all DECL nodes except FIELD_DECL. */
2704 #define HAS_DECL_ASSEMBLER_NAME_P(NODE) \
2705 (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WITH_VIS))
2707 /* Returns nonzero if the DECL_ASSEMBLER_NAME for NODE has been set. If zero,
2708 the NODE might still have a DECL_ASSEMBLER_NAME -- it just hasn't been set
2710 #define DECL_ASSEMBLER_NAME_SET_P(NODE) \
2711 (HAS_DECL_ASSEMBLER_NAME_P (NODE) \
2712 && DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name != NULL_TREE)
2714 /* Set the DECL_ASSEMBLER_NAME for NODE to NAME. */
2715 #define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
2716 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name = (NAME))
2718 /* Copy the DECL_ASSEMBLER_NAME from DECL1 to DECL2. Note that if DECL1's
2719 DECL_ASSEMBLER_NAME has not yet been set, using this macro will not cause
2720 the DECL_ASSEMBLER_NAME of either DECL to be set. In other words, the
2721 semantics of using this macro, are different than saying:
2723 SET_DECL_ASSEMBLER_NAME(DECL2, DECL_ASSEMBLER_NAME (DECL1))
2725 which will try to set the DECL_ASSEMBLER_NAME for DECL1. */
2727 #define COPY_DECL_ASSEMBLER_NAME(DECL1, DECL2) \
2728 (DECL_ASSEMBLER_NAME_SET_P (DECL1) \
2729 ? (void) SET_DECL_ASSEMBLER_NAME (DECL2, \
2730 DECL_ASSEMBLER_NAME (DECL1)) \
2733 /* Records the section name in a section attribute. Used to pass
2734 the name from decl_attributes to make_function_rtl and make_decl_rtl. */
2735 #define DECL_SECTION_NAME(NODE) decl_section_name (NODE)
2737 /* Nonzero in a decl means that the gimplifier has seen (or placed)
2738 this variable in a BIND_EXPR. */
2739 #define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
2740 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.seen_in_bind_expr)
2742 /* Value of the decls's visibility attribute */
2743 #define DECL_VISIBILITY(NODE) \
2744 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility)
2746 /* Nonzero means that the decl had its visibility specified rather than
2748 #define DECL_VISIBILITY_SPECIFIED(NODE) \
2749 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility_specified)
2751 /* In a VAR_DECL, the model to use if the data should be allocated from
2752 thread-local storage. */
2753 #define DECL_TLS_MODEL(NODE) decl_tls_model (NODE)
2755 /* In a VAR_DECL, nonzero if the data should be allocated from
2756 thread-local storage. */
2757 #define DECL_THREAD_LOCAL_P(NODE) \
2758 ((TREE_STATIC (NODE) || DECL_EXTERNAL (NODE)) && decl_tls_model (NODE) >= TLS_MODEL_REAL)
2760 /* In a non-local VAR_DECL with static storage duration, true if the
2761 variable has an initialization priority. If false, the variable
2762 will be initialized at the DEFAULT_INIT_PRIORITY. */
2763 #define DECL_HAS_INIT_PRIORITY_P(NODE) \
2764 (VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
2766 extern tree decl_debug_expr_lookup (tree);
2767 extern void decl_debug_expr_insert (tree, tree);
2769 /* For VAR_DECL, this is set to an expression that it was split from. */
2770 #define DECL_HAS_DEBUG_EXPR_P(NODE) \
2771 (VAR_DECL_CHECK (NODE)->decl_common.debug_expr_is_from)
2772 #define DECL_DEBUG_EXPR(NODE) \
2773 (decl_debug_expr_lookup (VAR_DECL_CHECK (NODE)))
2775 #define SET_DECL_DEBUG_EXPR(NODE, VAL) \
2776 (decl_debug_expr_insert (VAR_DECL_CHECK (NODE), VAL))
2778 extern priority_type decl_init_priority_lookup (tree);
2779 extern priority_type decl_fini_priority_lookup (tree);
2780 extern void decl_init_priority_insert (tree, priority_type);
2781 extern void decl_fini_priority_insert (tree, priority_type);
2783 /* For a VAR_DECL or FUNCTION_DECL the initialization priority of
2785 #define DECL_INIT_PRIORITY(NODE) \
2786 (decl_init_priority_lookup (NODE))
2787 /* Set the initialization priority for NODE to VAL. */
2788 #define SET_DECL_INIT_PRIORITY(NODE, VAL) \
2789 (decl_init_priority_insert (NODE, VAL))
2791 /* For a FUNCTION_DECL the finalization priority of NODE. */
2792 #define DECL_FINI_PRIORITY(NODE) \
2793 (decl_fini_priority_lookup (NODE))
2794 /* Set the finalization priority for NODE to VAL. */
2795 #define SET_DECL_FINI_PRIORITY(NODE, VAL) \
2796 (decl_fini_priority_insert (NODE, VAL))
2798 /* The initialization priority for entities for which no explicit
2799 initialization priority has been specified. */
2800 #define DEFAULT_INIT_PRIORITY 65535
2802 /* The maximum allowed initialization priority. */
2803 #define MAX_INIT_PRIORITY 65535
2805 /* The largest priority value reserved for use by system runtime
2807 #define MAX_RESERVED_INIT_PRIORITY 100
2809 /* In a VAR_DECL, nonzero if this is a global variable for VOPs. */
2810 #define VAR_DECL_IS_VIRTUAL_OPERAND(NODE) \
2811 (VAR_DECL_CHECK (NODE)->base.u.bits.saturating_flag)
2813 /* In a VAR_DECL, nonzero if this is a non-local frame structure. */
2814 #define DECL_NONLOCAL_FRAME(NODE) \
2815 (VAR_DECL_CHECK (NODE)->base.default_def_flag)
2817 /* In a VAR_DECL, nonzero if this variable is not aliased by any pointer. */
2818 #define DECL_NONALIASED(NODE) \
2819 (VAR_DECL_CHECK (NODE)->base.nothrow_flag)
2821 /* This field is used to reference anything in decl.result and is meant only
2822 for use by the garbage collector. */
2823 #define DECL_RESULT_FLD(NODE) \
2824 (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.result)
2826 /* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
2827 Before the struct containing the FUNCTION_DECL is laid out,
2828 DECL_VINDEX may point to a FUNCTION_DECL in a base class which
2829 is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual
2830 function. When the class is laid out, this pointer is changed
2831 to an INTEGER_CST node which is suitable for use as an index
2832 into the virtual function table. */
2833 #define DECL_VINDEX(NODE) \
2834 (FUNCTION_DECL_CHECK (NODE)->function_decl.vindex)
2836 /* In FUNCTION_DECL, holds the decl for the return value. */
2837 #define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.result)
2839 /* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */
2840 #define DECL_UNINLINABLE(NODE) \
2841 (FUNCTION_DECL_CHECK (NODE)->function_decl.uninlinable)
2843 /* In a FUNCTION_DECL, the saved representation of the body of the
2845 #define DECL_SAVED_TREE(NODE) \
2846 (FUNCTION_DECL_CHECK (NODE)->function_decl.saved_tree)
2848 /* Nonzero in a FUNCTION_DECL means this function should be treated
2849 as if it were a malloc, meaning it returns a pointer that is
2851 #define DECL_IS_MALLOC(NODE) \
2852 (FUNCTION_DECL_CHECK (NODE)->function_decl.malloc_flag)
2854 /* Nonzero in a FUNCTION_DECL means this function should be treated as
2855 C++ operator new, meaning that it returns a pointer for which we
2856 should not use type based aliasing. */
2857 #define DECL_IS_OPERATOR_NEW(NODE) \
2858 (FUNCTION_DECL_CHECK (NODE)->function_decl.operator_new_flag)
2860 /* Nonzero in a FUNCTION_DECL means this function may return more
2862 #define DECL_IS_RETURNS_TWICE(NODE) \
2863 (FUNCTION_DECL_CHECK (NODE)->function_decl.returns_twice_flag)
2865 /* Nonzero in a FUNCTION_DECL means this function should be treated
2866 as "pure" function (like const function, but may read global memory). */
2867 #define DECL_PURE_P(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
2869 /* Nonzero only if one of TREE_READONLY or DECL_PURE_P is nonzero AND
2870 the const or pure function may not terminate. When this is nonzero
2871 for a const or pure function, it can be dealt with by cse passes
2872 but cannot be removed by dce passes since you are not allowed to
2873 change an infinite looping program into one that terminates without
2875 #define DECL_LOOPING_CONST_OR_PURE_P(NODE) \
2876 (FUNCTION_DECL_CHECK (NODE)->function_decl.looping_const_or_pure_flag)
2878 /* Nonzero in a FUNCTION_DECL means this function should be treated
2879 as "novops" function (function that does not read global memory,
2880 but may have arbitrary side effects). */
2881 #define DECL_IS_NOVOPS(NODE) \
2882 (FUNCTION_DECL_CHECK (NODE)->function_decl.novops_flag)
2884 /* Used in FUNCTION_DECLs to indicate that they should be run automatically
2885 at the beginning or end of execution. */
2886 #define DECL_STATIC_CONSTRUCTOR(NODE) \
2887 (FUNCTION_DECL_CHECK (NODE)->function_decl.static_ctor_flag)
2889 #define DECL_STATIC_DESTRUCTOR(NODE) \
2890 (FUNCTION_DECL_CHECK (NODE)->function_decl.static_dtor_flag)
2892 /* Used in FUNCTION_DECLs to indicate that function entry and exit should
2893 be instrumented with calls to support routines. */
2894 #define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
2895 (FUNCTION_DECL_CHECK (NODE)->function_decl.no_instrument_function_entry_exit)
2897 /* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
2898 disabled in this function. */
2899 #define DECL_NO_LIMIT_STACK(NODE) \
2900 (FUNCTION_DECL_CHECK (NODE)->function_decl.no_limit_stack)
2902 /* In a FUNCTION_DECL indicates that a static chain is needed. */
2903 #define DECL_STATIC_CHAIN(NODE) \
2904 (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.regdecl_flag)
2906 /* Nonzero for a decl that cgraph has decided should be inlined into
2907 at least one call site. It is not meaningful to look at this
2908 directly; always use cgraph_function_possibly_inlined_p. */
2909 #define DECL_POSSIBLY_INLINED(DECL) \
2910 FUNCTION_DECL_CHECK (DECL)->function_decl.possibly_inlined
2912 /* Nonzero in a FUNCTION_DECL means that this function was declared inline,
2913 such as via the `inline' keyword in C/C++. This flag controls the linkage
2914 semantics of 'inline' */
2915 #define DECL_DECLARED_INLINE_P(NODE) \
2916 (FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
2918 /* Nonzero in a FUNCTION_DECL means this function should not get
2919 -Winline warnings. */
2920 #define DECL_NO_INLINE_WARNING_P(NODE) \
2921 (FUNCTION_DECL_CHECK (NODE)->function_decl.no_inline_warning_flag)
2923 /* Nonzero if a FUNCTION_CODE is a TM load/store. */
2924 #define BUILTIN_TM_LOAD_STORE_P(FN) \
2925 ((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
2927 /* Nonzero if a FUNCTION_CODE is a TM load. */
2928 #define BUILTIN_TM_LOAD_P(FN) \
2929 ((FN) >= BUILT_IN_TM_LOAD_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
2931 /* Nonzero if a FUNCTION_CODE is a TM store. */
2932 #define BUILTIN_TM_STORE_P(FN) \
2933 ((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_STORE_WAW_LDOUBLE)
2935 #define CASE_BUILT_IN_TM_LOAD(FN) \
2936 case BUILT_IN_TM_LOAD_##FN: \
2937 case BUILT_IN_TM_LOAD_RAR_##FN: \
2938 case BUILT_IN_TM_LOAD_RAW_##FN: \
2939 case BUILT_IN_TM_LOAD_RFW_##FN
2941 #define CASE_BUILT_IN_TM_STORE(FN) \
2942 case BUILT_IN_TM_STORE_##FN: \
2943 case BUILT_IN_TM_STORE_WAR_##FN: \
2944 case BUILT_IN_TM_STORE_WAW_##FN
2946 /* Nonzero in a FUNCTION_DECL that should be always inlined by the inliner
2947 disregarding size and cost heuristics. This is equivalent to using
2948 the always_inline attribute without the required diagnostics if the
2949 function cannot be inlined. */
2950 #define DECL_DISREGARD_INLINE_LIMITS(NODE) \
2951 (FUNCTION_DECL_CHECK (NODE)->function_decl.disregard_inline_limits)
2953 extern vec<tree, va_gc> **decl_debug_args_lookup (tree);
2954 extern vec<tree, va_gc> **decl_debug_args_insert (tree);
2956 /* Nonzero if a FUNCTION_DECL has DEBUG arguments attached to it. */
2957 #define DECL_HAS_DEBUG_ARGS_P(NODE) \
2958 (FUNCTION_DECL_CHECK (NODE)->function_decl.has_debug_args_flag)
2960 /* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
2961 that describes the status of this function. */
2962 #define DECL_STRUCT_FUNCTION(NODE) \
2963 (FUNCTION_DECL_CHECK (NODE)->function_decl.f)
2965 /* In a FUNCTION_DECL, nonzero means a built in function of a
2966 standard library or more generally a built in function that is
2967 recognized by optimizers and expanders.
2969 Note that it is different from the DECL_IS_BUILTIN accessor. For
2970 instance, user declared prototypes of C library functions are not
2971 DECL_IS_BUILTIN but may be DECL_BUILT_IN. */
2972 #define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
2974 /* For a builtin function, identify which part of the compiler defined it. */
2975 #define DECL_BUILT_IN_CLASS(NODE) \
2976 (FUNCTION_DECL_CHECK (NODE)->function_decl.built_in_class)
2978 /* In FUNCTION_DECL, a chain of ..._DECL nodes. */
2979 #define DECL_ARGUMENTS(NODE) \
2980 (FUNCTION_DECL_CHECK (NODE)->function_decl.arguments)
2982 /* In FUNCTION_DECL, the function specific target options to use when compiling
2984 #define DECL_FUNCTION_SPECIFIC_TARGET(NODE) \
2985 (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_target)
2987 /* In FUNCTION_DECL, the function specific optimization options to use when
2988 compiling this function. */
2989 #define DECL_FUNCTION_SPECIFIC_OPTIMIZATION(NODE) \
2990 (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_optimization)
2992 /* In FUNCTION_DECL, this is set if this function has other versions generated
2993 using "target" attributes. The default version is the one which does not
2994 have any "target" attribute set. */
2995 #define DECL_FUNCTION_VERSIONED(NODE)\
2996 (FUNCTION_DECL_CHECK (NODE)->function_decl.versioned_function)
2998 /* In FUNCTION_DECL, this is set if this function is a C++ constructor.
2999 Devirtualization machinery uses this knowledge for determing type of the
3000 object constructed. Also we assume that constructor address is not
3002 #define DECL_CXX_CONSTRUCTOR_P(NODE)\
3003 (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_constructor)
3005 /* In FUNCTION_DECL, this is set if this function is a C++ destructor.
3006 Devirtualization machinery uses this to track types in destruction. */
3007 #define DECL_CXX_DESTRUCTOR_P(NODE)\
3008 (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_destructor)
3010 /* In FUNCTION_DECL that represent an virtual method this is set when
3011 the method is final. */
3012 #define DECL_FINAL_P(NODE)\
3013 (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.final)
3015 /* The source language of the translation-unit. */
3016 #define TRANSLATION_UNIT_LANGUAGE(NODE) \
3017 (TRANSLATION_UNIT_DECL_CHECK (NODE)->translation_unit_decl.language)
3019 /* TRANSLATION_UNIT_DECL inherits from DECL_MINIMAL. */
3021 /* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
3022 #define DECL_ORIGINAL_TYPE(NODE) \
3023 (TYPE_DECL_CHECK (NODE)->decl_non_common.result)
3025 /* In a TYPE_DECL nonzero means the detail info about this type is not dumped
3026 into stabs. Instead it will generate cross reference ('x') of names.
3027 This uses the same flag as DECL_EXTERNAL. */
3028 #define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
3029 (TYPE_DECL_CHECK (NODE)->decl_common.decl_flag_1)
3031 /* Getter of the imported declaration associated to the
3032 IMPORTED_DECL node. */
3033 #define IMPORTED_DECL_ASSOCIATED_DECL(NODE) \
3034 (DECL_INITIAL (IMPORTED_DECL_CHECK (NODE)))
3036 /* Getter of the symbol declaration associated with the
3037 NAMELIST_DECL node. */
3038 #define NAMELIST_DECL_ASSOCIATED_DECL(NODE) \
3039 (DECL_INITIAL (NODE))
3041 /* A STATEMENT_LIST chains statements together in GENERIC and GIMPLE.
3042 To reduce overhead, the nodes containing the statements are not trees.
3043 This avoids the overhead of tree_common on all linked list elements.
3045 Use the interface in tree-iterator.h to access this node. */
3047 #define STATEMENT_LIST_HEAD(NODE) \
3048 (STATEMENT_LIST_CHECK (NODE)->stmt_list.head)
3049 #define STATEMENT_LIST_TAIL(NODE) \
3050 (STATEMENT_LIST_CHECK (NODE)->stmt_list.tail)
3052 #define TREE_OPTIMIZATION(NODE) \
3053 (OPTIMIZATION_NODE_CHECK (NODE)->optimization.opts)
3055 #define TREE_OPTIMIZATION_OPTABS(NODE) \
3056 (OPTIMIZATION_NODE_CHECK (NODE)->optimization.optabs)
3058 #define TREE_OPTIMIZATION_BASE_OPTABS(NODE) \
3059 (OPTIMIZATION_NODE_CHECK (NODE)->optimization.base_optabs)
3061 /* Return a tree node that encapsulates the optimization options in OPTS. */
3062 extern tree build_optimization_node (struct gcc_options *opts);
3064 #define TREE_TARGET_OPTION(NODE) \
3065 (TARGET_OPTION_NODE_CHECK (NODE)->target_option.opts)
3067 #define TREE_TARGET_GLOBALS(NODE) \
3068 (TARGET_OPTION_NODE_CHECK (NODE)->target_option.globals)
3070 /* Return a tree node that encapsulates the target options in OPTS. */
3071 extern tree build_target_option_node (struct gcc_options *opts);
3073 extern void prepare_target_option_nodes_for_pch (void);
3075 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
3078 tree_check (tree __t, const char *__f, int __l, const char *__g, tree_code __c)
3080 if (TREE_CODE (__t) != __c)
3081 tree_check_failed (__t, __f, __l, __g, __c, 0);
3086 tree_not_check (tree __t, const char *__f, int __l, const char *__g,
3089 if (TREE_CODE (__t) == __c)
3090 tree_not_check_failed (__t, __f, __l, __g, __c, 0);
3095 tree_check2 (tree __t, const char *__f, int __l, const char *__g,
3096 enum tree_code __c1, enum tree_code __c2)
3098 if (TREE_CODE (__t) != __c1
3099 && TREE_CODE (__t) != __c2)
3100 tree_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
3105 tree_not_check2 (tree __t, const char *__f, int __l, const char *__g,
3106 enum tree_code __c1, enum tree_code __c2)
3108 if (TREE_CODE (__t) == __c1
3109 || TREE_CODE (__t) == __c2)
3110 tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
3115 tree_check3 (tree __t, const char *__f, int __l, const char *__g,
3116 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
3118 if (TREE_CODE (__t) != __c1
3119 && TREE_CODE (__t) != __c2
3120 && TREE_CODE (__t) != __c3)
3121 tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
3126 tree_not_check3 (tree __t, const char *__f, int __l, const char *__g,
3127 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
3129 if (TREE_CODE (__t) == __c1
3130 || TREE_CODE (__t) == __c2
3131 || TREE_CODE (__t) == __c3)
3132 tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
3137 tree_check4 (tree __t, const char *__f, int __l, const char *__g,
3138 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
3139 enum tree_code __c4)
3141 if (TREE_CODE (__t) != __c1
3142 && TREE_CODE (__t) != __c2
3143 && TREE_CODE (__t) != __c3
3144 && TREE_CODE (__t) != __c4)
3145 tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
3150 tree_not_check4 (tree __t, const char *__f, int __l, const char *__g,
3151 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
3152 enum tree_code __c4)
3154 if (TREE_CODE (__t) == __c1
3155 || TREE_CODE (__t) == __c2
3156 || TREE_CODE (__t) == __c3
3157 || TREE_CODE (__t) == __c4)
3158 tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
3163 tree_check5 (tree __t, const char *__f, int __l, const char *__g,
3164 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
3165 enum tree_code __c4, enum tree_code __c5)
3167 if (TREE_CODE (__t) != __c1
3168 && TREE_CODE (__t) != __c2
3169 && TREE_CODE (__t) != __c3
3170 && TREE_CODE (__t) != __c4
3171 && TREE_CODE (__t) != __c5)
3172 tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
3177 tree_not_check5 (tree __t, const char *__f, int __l, const char *__g,
3178 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
3179 enum tree_code __c4, enum tree_code __c5)
3181 if (TREE_CODE (__t) == __c1
3182 || TREE_CODE (__t) == __c2
3183 || TREE_CODE (__t) == __c3
3184 || TREE_CODE (__t) == __c4
3185 || TREE_CODE (__t) == __c5)
3186 tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
3191 contains_struct_check (tree __t, const enum tree_node_structure_enum __s,
3192 const char *__f, int __l, const char *__g)
3194 if (tree_contains_struct[TREE_CODE (__t)][__s] != 1)
3195 tree_contains_struct_check_failed (__t, __s, __f, __l, __g);
3200 tree_class_check (tree __t, const enum tree_code_class __class,
3201 const char *__f, int __l, const char *__g)
3203 if (TREE_CODE_CLASS (TREE_CODE (__t)) != __class)
3204 tree_class_check_failed (__t, __class, __f, __l, __g);
3209 tree_range_check (tree __t,
3210 enum tree_code __code1, enum tree_code __code2,
3211 const char *__f, int __l, const char *__g)
3213 if (TREE_CODE (__t) < __code1 || TREE_CODE (__t) > __code2)
3214 tree_range_check_failed (__t, __f, __l, __g, __code1, __code2);
3219 omp_clause_subcode_check (tree __t, enum omp_clause_code __code,
3220 const char *__f, int __l, const char *__g)
3222 if (TREE_CODE (__t) != OMP_CLAUSE)
3223 tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
3224 if (__t->omp_clause.code != __code)
3225 omp_clause_check_failed (__t, __f, __l, __g, __code);
3230 omp_clause_range_check (tree __t,
3231 enum omp_clause_code __code1,
3232 enum omp_clause_code __code2,
3233 const char *__f, int __l, const char *__g)
3235 if (TREE_CODE (__t) != OMP_CLAUSE)
3236 tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
3237 if ((int) __t->omp_clause.code < (int) __code1
3238 || (int) __t->omp_clause.code > (int) __code2)
3239 omp_clause_range_check_failed (__t, __f, __l, __g, __code1, __code2);
3243 /* These checks have to be special cased. */
3246 expr_check (tree __t, const char *__f, int __l, const char *__g)
3248 char const __c = TREE_CODE_CLASS (TREE_CODE (__t));
3249 if (!IS_EXPR_CODE_CLASS (__c))
3250 tree_class_check_failed (__t, tcc_expression, __f, __l, __g);
3254 /* These checks have to be special cased. */
3257 non_type_check (tree __t, const char *__f, int __l, const char *__g)
3260 tree_not_class_check_failed (__t, tcc_type, __f, __l, __g);
3264 inline const HOST_WIDE_INT *
3265 tree_int_cst_elt_check (const_tree __t, int __i,
3266 const char *__f, int __l, const char *__g)
3268 if (TREE_CODE (__t) != INTEGER_CST)
3269 tree_check_failed (__t, __f, __l, __g, INTEGER_CST, 0);
3270 if (__i < 0 || __i >= __t->base.u.int_length.extended)
3271 tree_int_cst_elt_check_failed (__i, __t->base.u.int_length.extended,
3273 return &CONST_CAST_TREE (__t)->int_cst.val[__i];
3276 inline HOST_WIDE_INT *
3277 tree_int_cst_elt_check (tree __t, int __i,
3278 const char *__f, int __l, const char *__g)
3280 if (TREE_CODE (__t) != INTEGER_CST)
3281 tree_check_failed (__t, __f, __l, __g, INTEGER_CST, 0);
3282 if (__i < 0 || __i >= __t->base.u.int_length.extended)
3283 tree_int_cst_elt_check_failed (__i, __t->base.u.int_length.extended,
3285 return &CONST_CAST_TREE (__t)->int_cst.val[__i];
3288 /* Workaround -Wstrict-overflow false positive during profiledbootstrap. */
3290 # if GCC_VERSION >= 4006
3291 #pragma GCC diagnostic push
3292 #pragma GCC diagnostic ignored "-Wstrict-overflow"
3296 tree_vec_elt_check (tree __t, int __i,
3297 const char *__f, int __l, const char *__g)
3299 if (TREE_CODE (__t) != TREE_VEC)
3300 tree_check_failed (__t, __f, __l, __g, TREE_VEC, 0);
3301 if (__i < 0 || __i >= __t->base.u.length)
3302 tree_vec_elt_check_failed (__i, __t->base.u.length, __f, __l, __g);
3303 return &CONST_CAST_TREE (__t)->vec.a[__i];
3306 # if GCC_VERSION >= 4006
3307 #pragma GCC diagnostic pop
3311 omp_clause_elt_check (tree __t, int __i,
3312 const char *__f, int __l, const char *__g)
3314 if (TREE_CODE (__t) != OMP_CLAUSE)
3315 tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
3316 if (__i < 0 || __i >= omp_clause_num_ops [__t->omp_clause.code])
3317 omp_clause_operand_check_failed (__i, __t, __f, __l, __g);
3318 return &__t->omp_clause.ops[__i];
3321 /* These checks have to be special cased. */
3324 any_integral_type_check (tree __t, const char *__f, int __l, const char *__g)
3326 if (!ANY_INTEGRAL_TYPE_P (__t))
3327 tree_check_failed (__t, __f, __l, __g, BOOLEAN_TYPE, ENUMERAL_TYPE,
3333 tree_check (const_tree __t, const char *__f, int __l, const char *__g,
3336 if (TREE_CODE (__t) != __c)
3337 tree_check_failed (__t, __f, __l, __g, __c, 0);
3342 tree_not_check (const_tree __t, const char *__f, int __l, const char *__g,
3345 if (TREE_CODE (__t) == __c)
3346 tree_not_check_failed (__t, __f, __l, __g, __c, 0);
3351 tree_check2 (const_tree __t, const char *__f, int __l, const char *__g,
3352 enum tree_code __c1, enum tree_code __c2)
3354 if (TREE_CODE (__t) != __c1
3355 && TREE_CODE (__t) != __c2)
3356 tree_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
3361 tree_not_check2 (const_tree __t, const char *__f, int __l, const char *__g,
3362 enum tree_code __c1, enum tree_code __c2)
3364 if (TREE_CODE (__t) == __c1
3365 || TREE_CODE (__t) == __c2)
3366 tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, 0);
3371 tree_check3 (const_tree __t, const char *__f, int __l, const char *__g,
3372 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
3374 if (TREE_CODE (__t) != __c1
3375 && TREE_CODE (__t) != __c2
3376 && TREE_CODE (__t) != __c3)
3377 tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
3382 tree_not_check3 (const_tree __t, const char *__f, int __l, const char *__g,
3383 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3)
3385 if (TREE_CODE (__t) == __c1
3386 || TREE_CODE (__t) == __c2
3387 || TREE_CODE (__t) == __c3)
3388 tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, 0);
3393 tree_check4 (const_tree __t, const char *__f, int __l, const char *__g,
3394 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
3395 enum tree_code __c4)
3397 if (TREE_CODE (__t) != __c1
3398 && TREE_CODE (__t) != __c2
3399 && TREE_CODE (__t) != __c3
3400 && TREE_CODE (__t) != __c4)
3401 tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
3406 tree_not_check4 (const_tree __t, const char *__f, int __l, const char *__g,
3407 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
3408 enum tree_code __c4)
3410 if (TREE_CODE (__t) == __c1
3411 || TREE_CODE (__t) == __c2
3412 || TREE_CODE (__t) == __c3
3413 || TREE_CODE (__t) == __c4)
3414 tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, 0);
3419 tree_check5 (const_tree __t, const char *__f, int __l, const char *__g,
3420 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
3421 enum tree_code __c4, enum tree_code __c5)
3423 if (TREE_CODE (__t) != __c1
3424 && TREE_CODE (__t) != __c2
3425 && TREE_CODE (__t) != __c3
3426 && TREE_CODE (__t) != __c4
3427 && TREE_CODE (__t) != __c5)
3428 tree_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
3433 tree_not_check5 (const_tree __t, const char *__f, int __l, const char *__g,
3434 enum tree_code __c1, enum tree_code __c2, enum tree_code __c3,
3435 enum tree_code __c4, enum tree_code __c5)
3437 if (TREE_CODE (__t) == __c1
3438 || TREE_CODE (__t) == __c2
3439 || TREE_CODE (__t) == __c3
3440 || TREE_CODE (__t) == __c4
3441 || TREE_CODE (__t) == __c5)
3442 tree_not_check_failed (__t, __f, __l, __g, __c1, __c2, __c3, __c4, __c5, 0);
3447 contains_struct_check (const_tree __t, const enum tree_node_structure_enum __s,
3448 const char *__f, int __l, const char *__g)
3450 if (tree_contains_struct[TREE_CODE (__t)][__s] != 1)
3451 tree_contains_struct_check_failed (__t, __s, __f, __l, __g);
3456 tree_class_check (const_tree __t, const enum tree_code_class __class,
3457 const char *__f, int __l, const char *__g)
3459 if (TREE_CODE_CLASS (TREE_CODE (__t)) != __class)
3460 tree_class_check_failed (__t, __class, __f, __l, __g);
3465 tree_range_check (const_tree __t,
3466 enum tree_code __code1, enum tree_code __code2,
3467 const char *__f, int __l, const char *__g)
3469 if (TREE_CODE (__t) < __code1 || TREE_CODE (__t) > __code2)
3470 tree_range_check_failed (__t, __f, __l, __g, __code1, __code2);
3475 omp_clause_subcode_check (const_tree __t, enum omp_clause_code __code,
3476 const char *__f, int __l, const char *__g)
3478 if (TREE_CODE (__t) != OMP_CLAUSE)
3479 tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
3480 if (__t->omp_clause.code != __code)
3481 omp_clause_check_failed (__t, __f, __l, __g, __code);
3486 omp_clause_range_check (const_tree __t,
3487 enum omp_clause_code __code1,
3488 enum omp_clause_code __code2,
3489 const char *__f, int __l, const char *__g)
3491 if (TREE_CODE (__t) != OMP_CLAUSE)
3492 tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
3493 if ((int) __t->omp_clause.code < (int) __code1
3494 || (int) __t->omp_clause.code > (int) __code2)
3495 omp_clause_range_check_failed (__t, __f, __l, __g, __code1, __code2);
3500 expr_check (const_tree __t, const char *__f, int __l, const char *__g)
3502 char const __c = TREE_CODE_CLASS (TREE_CODE (__t));
3503 if (!IS_EXPR_CODE_CLASS (__c))
3504 tree_class_check_failed (__t, tcc_expression, __f, __l, __g);
3509 non_type_check (const_tree __t, const char *__f, int __l, const char *__g)
3512 tree_not_class_check_failed (__t, tcc_type, __f, __l, __g);
3516 # if GCC_VERSION >= 4006
3517 #pragma GCC diagnostic push
3518 #pragma GCC diagnostic ignored "-Wstrict-overflow"
3522 tree_vec_elt_check (const_tree __t, int __i,
3523 const char *__f, int __l, const char *__g)
3525 if (TREE_CODE (__t) != TREE_VEC)
3526 tree_check_failed (__t, __f, __l, __g, TREE_VEC, 0);
3527 if (__i < 0 || __i >= __t->base.u.length)
3528 tree_vec_elt_check_failed (__i, __t->base.u.length, __f, __l, __g);
3529 return CONST_CAST (const_tree *, &__t->vec.a[__i]);
3530 //return &__t->vec.a[__i];
3533 # if GCC_VERSION >= 4006
3534 #pragma GCC diagnostic pop
3538 omp_clause_elt_check (const_tree __t, int __i,
3539 const char *__f, int __l, const char *__g)
3541 if (TREE_CODE (__t) != OMP_CLAUSE)
3542 tree_check_failed (__t, __f, __l, __g, OMP_CLAUSE, 0);
3543 if (__i < 0 || __i >= omp_clause_num_ops [__t->omp_clause.code])
3544 omp_clause_operand_check_failed (__i, __t, __f, __l, __g);
3545 return CONST_CAST (const_tree *, &__t->omp_clause.ops[__i]);
3549 any_integral_type_check (const_tree __t, const char *__f, int __l,
3552 if (!ANY_INTEGRAL_TYPE_P (__t))
3553 tree_check_failed (__t, __f, __l, __g, BOOLEAN_TYPE, ENUMERAL_TYPE,
3560 /* Compute the number of operands in an expression node NODE. For
3561 tcc_vl_exp nodes like CALL_EXPRs, this is stored in the node itself,
3562 otherwise it is looked up from the node's code. */
3564 tree_operand_length (const_tree node)
3566 if (VL_EXP_CLASS_P (node))
3567 return VL_EXP_OPERAND_LENGTH (node);
3569 return TREE_CODE_LENGTH (TREE_CODE (node));
3572 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
3574 /* Special checks for TREE_OPERANDs. */
3576 tree_operand_check (tree __t, int __i,
3577 const char *__f, int __l, const char *__g)
3579 const_tree __u = EXPR_CHECK (__t);
3580 if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__u))
3581 tree_operand_check_failed (__i, __u, __f, __l, __g);
3582 return &CONST_CAST_TREE (__u)->exp.operands[__i];
3586 tree_operand_check_code (tree __t, enum tree_code __code, int __i,
3587 const char *__f, int __l, const char *__g)
3589 if (TREE_CODE (__t) != __code)
3590 tree_check_failed (__t, __f, __l, __g, __code, 0);
3591 if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t))
3592 tree_operand_check_failed (__i, __t, __f, __l, __g);
3593 return &__t->exp.operands[__i];
3597 tree_operand_check (const_tree __t, int __i,
3598 const char *__f, int __l, const char *__g)
3600 const_tree __u = EXPR_CHECK (__t);
3601 if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__u))
3602 tree_operand_check_failed (__i, __u, __f, __l, __g);
3603 return CONST_CAST (const_tree *, &__u->exp.operands[__i]);
3607 tree_operand_check_code (const_tree __t, enum tree_code __code, int __i,
3608 const char *__f, int __l, const char *__g)
3610 if (TREE_CODE (__t) != __code)
3611 tree_check_failed (__t, __f, __l, __g, __code, 0);
3612 if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t))
3613 tree_operand_check_failed (__i, __t, __f, __l, __g);
3614 return CONST_CAST (const_tree *, &__t->exp.operands[__i]);
3619 /* True iff an identifier matches a C string. */
3622 id_equal (const_tree id, const char *str)
3624 return !strcmp (IDENTIFIER_POINTER (id), str);
3628 id_equal (const char *str, const_tree id)
3630 return !strcmp (str, IDENTIFIER_POINTER (id));
3633 #define error_mark_node global_trees[TI_ERROR_MARK]
3635 #define intQI_type_node global_trees[TI_INTQI_TYPE]
3636 #define intHI_type_node global_trees[TI_INTHI_TYPE]
3637 #define intSI_type_node global_trees[TI_INTSI_TYPE]
3638 #define intDI_type_node global_trees[TI_INTDI_TYPE]
3639 #define intTI_type_node global_trees[TI_INTTI_TYPE]
3641 #define unsigned_intQI_type_node global_trees[TI_UINTQI_TYPE]
3642 #define unsigned_intHI_type_node global_trees[TI_UINTHI_TYPE]
3643 #define unsigned_intSI_type_node global_trees[TI_UINTSI_TYPE]
3644 #define unsigned_intDI_type_node global_trees[TI_UINTDI_TYPE]
3645 #define unsigned_intTI_type_node global_trees[TI_UINTTI_TYPE]
3647 #define atomicQI_type_node global_trees[TI_ATOMICQI_TYPE]
3648 #define atomicHI_type_node global_trees[TI_ATOMICHI_TYPE]
3649 #define atomicSI_type_node global_trees[TI_ATOMICSI_TYPE]
3650 #define atomicDI_type_node global_trees[TI_ATOMICDI_TYPE]
3651 #define atomicTI_type_node global_trees[TI_ATOMICTI_TYPE]
3653 #define uint16_type_node global_trees[TI_UINT16_TYPE]
3654 #define uint32_type_node global_trees[TI_UINT32_TYPE]
3655 #define uint64_type_node global_trees[TI_UINT64_TYPE]
3657 #define void_node global_trees[TI_VOID]
3659 #define integer_zero_node global_trees[TI_INTEGER_ZERO]
3660 #define integer_one_node global_trees[TI_INTEGER_ONE]
3661 #define integer_three_node global_trees[TI_INTEGER_THREE]
3662 #define integer_minus_one_node global_trees[TI_INTEGER_MINUS_ONE]
3663 #define size_zero_node global_trees[TI_SIZE_ZERO]
3664 #define size_one_node global_trees[TI_SIZE_ONE]
3665 #define bitsize_zero_node global_trees[TI_BITSIZE_ZERO]
3666 #define bitsize_one_node global_trees[TI_BITSIZE_ONE]
3667 #define bitsize_unit_node global_trees[TI_BITSIZE_UNIT]
3669 /* Base access nodes. */
3670 #define access_public_node global_trees[TI_PUBLIC]
3671 #define access_protected_node global_trees[TI_PROTECTED]
3672 #define access_private_node global_trees[TI_PRIVATE]
3674 #define null_pointer_node global_trees[TI_NULL_POINTER]
3676 #define float_type_node global_trees[TI_FLOAT_TYPE]
3677 #define double_type_node global_trees[TI_DOUBLE_TYPE]
3678 #define long_double_type_node global_trees[TI_LONG_DOUBLE_TYPE]
3680 /* Nodes for particular _FloatN and _FloatNx types in sequence. */
3681 #define FLOATN_TYPE_NODE(IDX) global_trees[TI_FLOATN_TYPE_FIRST + (IDX)]
3682 #define FLOATN_NX_TYPE_NODE(IDX) global_trees[TI_FLOATN_NX_TYPE_FIRST + (IDX)]
3683 #define FLOATNX_TYPE_NODE(IDX) global_trees[TI_FLOATNX_TYPE_FIRST + (IDX)]
3685 /* Names for individual types (code should normally iterate over all
3686 such types; these are only for back-end use, or in contexts such as
3687 *.def where iteration is not possible). */
3688 #define float16_type_node global_trees[TI_FLOAT16_TYPE]
3689 #define float32_type_node global_trees[TI_FLOAT32_TYPE]
3690 #define float64_type_node global_trees[TI_FLOAT64_TYPE]
3691 #define float128_type_node global_trees[TI_FLOAT128_TYPE]
3692 #define float32x_type_node global_trees[TI_FLOAT32X_TYPE]
3693 #define float64x_type_node global_trees[TI_FLOAT64X_TYPE]
3694 #define float128x_type_node global_trees[TI_FLOAT128X_TYPE]
3696 #define float_ptr_type_node global_trees[TI_FLOAT_PTR_TYPE]
3697 #define double_ptr_type_node global_trees[TI_DOUBLE_PTR_TYPE]
3698 #define long_double_ptr_type_node global_trees[TI_LONG_DOUBLE_PTR_TYPE]
3699 #define integer_ptr_type_node global_trees[TI_INTEGER_PTR_TYPE]
3701 #define complex_integer_type_node global_trees[TI_COMPLEX_INTEGER_TYPE]
3702 #define complex_float_type_node global_trees[TI_COMPLEX_FLOAT_TYPE]
3703 #define complex_double_type_node global_trees[TI_COMPLEX_DOUBLE_TYPE]
3704 #define complex_long_double_type_node global_trees[TI_COMPLEX_LONG_DOUBLE_TYPE]
3706 #define COMPLEX_FLOATN_NX_TYPE_NODE(IDX) global_trees[TI_COMPLEX_FLOATN_NX_TYPE_FIRST + (IDX)]
3708 #define pointer_bounds_type_node global_trees[TI_POINTER_BOUNDS_TYPE]
3710 #define void_type_node global_trees[TI_VOID_TYPE]
3711 /* The C type `void *'. */
3712 #define ptr_type_node global_trees[TI_PTR_TYPE]
3713 /* The C type `const void *'. */
3714 #define const_ptr_type_node global_trees[TI_CONST_PTR_TYPE]
3715 /* The C type `size_t'. */
3716 #define size_type_node global_trees[TI_SIZE_TYPE]
3717 #define pid_type_node global_trees[TI_PID_TYPE]
3718 #define ptrdiff_type_node global_trees[TI_PTRDIFF_TYPE]
3719 #define va_list_type_node global_trees[TI_VA_LIST_TYPE]
3720 #define va_list_gpr_counter_field global_trees[TI_VA_LIST_GPR_COUNTER_FIELD]
3721 #define va_list_fpr_counter_field global_trees[TI_VA_LIST_FPR_COUNTER_FIELD]
3722 /* The C type `FILE *'. */
3723 #define fileptr_type_node global_trees[TI_FILEPTR_TYPE]
3724 /* The C type `const struct tm *'. */
3725 #define const_tm_ptr_type_node global_trees[TI_CONST_TM_PTR_TYPE]
3726 /* The C type `fenv_t *'. */
3727 #define fenv_t_ptr_type_node global_trees[TI_FENV_T_PTR_TYPE]
3728 #define const_fenv_t_ptr_type_node global_trees[TI_CONST_FENV_T_PTR_TYPE]
3729 /* The C type `fexcept_t *'. */
3730 #define fexcept_t_ptr_type_node global_trees[TI_FEXCEPT_T_PTR_TYPE]
3731 #define const_fexcept_t_ptr_type_node global_trees[TI_CONST_FEXCEPT_T_PTR_TYPE]
3732 #define pointer_sized_int_node global_trees[TI_POINTER_SIZED_TYPE]
3734 #define boolean_type_node global_trees[TI_BOOLEAN_TYPE]
3735 #define boolean_false_node global_trees[TI_BOOLEAN_FALSE]
3736 #define boolean_true_node global_trees[TI_BOOLEAN_TRUE]
3738 /* The decimal floating point types. */
3739 #define dfloat32_type_node global_trees[TI_DFLOAT32_TYPE]
3740 #define dfloat64_type_node global_trees[TI_DFLOAT64_TYPE]
3741 #define dfloat128_type_node global_trees[TI_DFLOAT128_TYPE]
3742 #define dfloat32_ptr_type_node global_trees[TI_DFLOAT32_PTR_TYPE]
3743 #define dfloat64_ptr_type_node global_trees[TI_DFLOAT64_PTR_TYPE]
3744 #define dfloat128_ptr_type_node global_trees[TI_DFLOAT128_PTR_TYPE]
3746 /* The fixed-point types. */
3747 #define sat_short_fract_type_node global_trees[TI_SAT_SFRACT_TYPE]
3748 #define sat_fract_type_node global_trees[TI_SAT_FRACT_TYPE]
3749 #define sat_long_fract_type_node global_trees[TI_SAT_LFRACT_TYPE]
3750 #define sat_long_long_fract_type_node global_trees[TI_SAT_LLFRACT_TYPE]
3751 #define sat_unsigned_short_fract_type_node \
3752 global_trees[TI_SAT_USFRACT_TYPE]
3753 #define sat_unsigned_fract_type_node global_trees[TI_SAT_UFRACT_TYPE]
3754 #define sat_unsigned_long_fract_type_node \
3755 global_trees[TI_SAT_ULFRACT_TYPE]
3756 #define sat_unsigned_long_long_fract_type_node \
3757 global_trees[TI_SAT_ULLFRACT_TYPE]
3758 #define short_fract_type_node global_trees[TI_SFRACT_TYPE]
3759 #define fract_type_node global_trees[TI_FRACT_TYPE]
3760 #define long_fract_type_node global_trees[TI_LFRACT_TYPE]
3761 #define long_long_fract_type_node global_trees[TI_LLFRACT_TYPE]
3762 #define unsigned_short_fract_type_node global_trees[TI_USFRACT_TYPE]
3763 #define unsigned_fract_type_node global_trees[TI_UFRACT_TYPE]
3764 #define unsigned_long_fract_type_node global_trees[TI_ULFRACT_TYPE]
3765 #define unsigned_long_long_fract_type_node \
3766 global_trees[TI_ULLFRACT_TYPE]
3767 #define sat_short_accum_type_node global_trees[TI_SAT_SACCUM_TYPE]
3768 #define sat_accum_type_node global_trees[TI_SAT_ACCUM_TYPE]
3769 #define sat_long_accum_type_node global_trees[TI_SAT_LACCUM_TYPE]
3770 #define sat_long_long_accum_type_node global_trees[TI_SAT_LLACCUM_TYPE]
3771 #define sat_unsigned_short_accum_type_node \
3772 global_trees[TI_SAT_USACCUM_TYPE]
3773 #define sat_unsigned_accum_type_node global_trees[TI_SAT_UACCUM_TYPE]
3774 #define sat_unsigned_long_accum_type_node \
3775 global_trees[TI_SAT_ULACCUM_TYPE]
3776 #define sat_unsigned_long_long_accum_type_node \
3777 global_trees[TI_SAT_ULLACCUM_TYPE]
3778 #define short_accum_type_node global_trees[TI_SACCUM_TYPE]
3779 #define accum_type_node global_trees[TI_ACCUM_TYPE]
3780 #define long_accum_type_node global_trees[TI_LACCUM_TYPE]
3781 #define long_long_accum_type_node global_trees[TI_LLACCUM_TYPE]
3782 #define unsigned_short_accum_type_node global_trees[TI_USACCUM_TYPE]
3783 #define unsigned_accum_type_node global_trees[TI_UACCUM_TYPE]
3784 #define unsigned_long_accum_type_node global_trees[TI_ULACCUM_TYPE]
3785 #define unsigned_long_long_accum_type_node \
3786 global_trees[TI_ULLACCUM_TYPE]
3787 #define qq_type_node global_trees[TI_QQ_TYPE]
3788 #define hq_type_node global_trees[TI_HQ_TYPE]
3789 #define sq_type_node global_trees[TI_SQ_TYPE]
3790 #define dq_type_node global_trees[TI_DQ_TYPE]
3791 #define tq_type_node global_trees[TI_TQ_TYPE]
3792 #define uqq_type_node global_trees[TI_UQQ_TYPE]
3793 #define uhq_type_node global_trees[TI_UHQ_TYPE]
3794 #define usq_type_node global_trees[TI_USQ_TYPE]
3795 #define udq_type_node global_trees[TI_UDQ_TYPE]
3796 #define utq_type_node global_trees[TI_UTQ_TYPE]
3797 #define sat_qq_type_node global_trees[TI_SAT_QQ_TYPE]
3798 #define sat_hq_type_node global_trees[TI_SAT_HQ_TYPE]
3799 #define sat_sq_type_node global_trees[TI_SAT_SQ_TYPE]
3800 #define sat_dq_type_node global_trees[TI_SAT_DQ_TYPE]
3801 #define sat_tq_type_node global_trees[TI_SAT_TQ_TYPE]
3802 #define sat_uqq_type_node global_trees[TI_SAT_UQQ_TYPE]
3803 #define sat_uhq_type_node global_trees[TI_SAT_UHQ_TYPE]
3804 #define sat_usq_type_node global_trees[TI_SAT_USQ_TYPE]
3805 #define sat_udq_type_node global_trees[TI_SAT_UDQ_TYPE]
3806 #define sat_utq_type_node global_trees[TI_SAT_UTQ_TYPE]
3807 #define ha_type_node global_trees[TI_HA_TYPE]
3808 #define sa_type_node global_trees[TI_SA_TYPE]
3809 #define da_type_node global_trees[TI_DA_TYPE]
3810 #define ta_type_node global_trees[TI_TA_TYPE]
3811 #define uha_type_node global_trees[TI_UHA_TYPE]
3812 #define usa_type_node global_trees[TI_USA_TYPE]
3813 #define uda_type_node global_trees[TI_UDA_TYPE]
3814 #define uta_type_node global_trees[TI_UTA_TYPE]
3815 #define sat_ha_type_node global_trees[TI_SAT_HA_TYPE]
3816 #define sat_sa_type_node global_trees[TI_SAT_SA_TYPE]
3817 #define sat_da_type_node global_trees[TI_SAT_DA_TYPE]
3818 #define sat_ta_type_node global_trees[TI_SAT_TA_TYPE]
3819 #define sat_uha_type_node global_trees[TI_SAT_UHA_TYPE]
3820 #define sat_usa_type_node global_trees[TI_SAT_USA_TYPE]
3821 #define sat_uda_type_node global_trees[TI_SAT_UDA_TYPE]
3822 #define sat_uta_type_node global_trees[TI_SAT_UTA_TYPE]
3824 /* The node that should be placed at the end of a parameter list to
3825 indicate that the function does not take a variable number of
3826 arguments. The TREE_VALUE will be void_type_node and there will be
3827 no TREE_CHAIN. Language-independent code should not assume
3828 anything else about this node. */
3829 #define void_list_node global_trees[TI_VOID_LIST_NODE]
3831 #define main_identifier_node global_trees[TI_MAIN_IDENTIFIER]
3832 #define MAIN_NAME_P(NODE) \
3833 (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
3835 /* Optimization options (OPTIMIZATION_NODE) to use for default and current
3837 #define optimization_default_node global_trees[TI_OPTIMIZATION_DEFAULT]
3838 #define optimization_current_node global_trees[TI_OPTIMIZATION_CURRENT]
3840 /* Default/current target options (TARGET_OPTION_NODE). */
3841 #define target_option_default_node global_trees[TI_TARGET_OPTION_DEFAULT]
3842 #define target_option_current_node global_trees[TI_TARGET_OPTION_CURRENT]
3844 /* Default tree list option(), optimize() pragmas to be linked into the
3846 #define current_target_pragma global_trees[TI_CURRENT_TARGET_PRAGMA]
3847 #define current_optimize_pragma global_trees[TI_CURRENT_OPTIMIZE_PRAGMA]
3849 #define char_type_node integer_types[itk_char]
3850 #define signed_char_type_node integer_types[itk_signed_char]
3851 #define unsigned_char_type_node integer_types[itk_unsigned_char]
3852 #define short_integer_type_node integer_types[itk_short]
3853 #define short_unsigned_type_node integer_types[itk_unsigned_short]
3854 #define integer_type_node integer_types[itk_int]
3855 #define unsigned_type_node integer_types[itk_unsigned_int]
3856 #define long_integer_type_node integer_types[itk_long]
3857 #define long_unsigned_type_node integer_types[itk_unsigned_long]
3858 #define long_long_integer_type_node integer_types[itk_long_long]
3859 #define long_long_unsigned_type_node integer_types[itk_unsigned_long_long]
3861 /* True if NODE is an erroneous expression. */
3863 #define error_operand_p(NODE) \
3864 ((NODE) == error_mark_node \
3865 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
3867 extern tree decl_assembler_name (tree);
3868 extern tree decl_comdat_group (const_tree);
3869 extern tree decl_comdat_group_id (const_tree);
3870 extern const char *decl_section_name (const_tree);
3871 extern void set_decl_section_name (tree, const char *);
3872 extern enum tls_model decl_tls_model (const_tree);
3873 extern void set_decl_tls_model (tree, enum tls_model);
3875 /* Compute the number of bytes occupied by 'node'. This routine only
3876 looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH. */
3878 extern size_t tree_size (const_tree);
3880 /* Compute the number of bytes occupied by a tree with code CODE.
3881 This function cannot be used for TREE_VEC or INTEGER_CST nodes,
3882 which are of variable length. */
3883 extern size_t tree_code_size (enum tree_code);
3885 /* Allocate and return a new UID from the DECL_UID namespace. */
3886 extern int allocate_decl_uid (void);
3888 /* Lowest level primitive for allocating a node.
3889 The TREE_CODE is the only argument. Contents are initialized
3890 to zero except for a few of the common fields. */
3892 extern tree make_node (enum tree_code CXX_MEM_STAT_INFO);
3894 /* Free tree node. */
3896 extern void free_node (tree);
3898 /* Make a copy of a node, with all the same contents. */
3900 extern tree copy_node (tree CXX_MEM_STAT_INFO);
3902 /* Make a copy of a chain of TREE_LIST nodes. */
3904 extern tree copy_list (tree);
3906 /* Make a CASE_LABEL_EXPR. */
3908 extern tree build_case_label (tree, tree, tree);
3911 extern tree make_tree_binfo (unsigned CXX_MEM_STAT_INFO);
3913 /* Make an INTEGER_CST. */
3915 extern tree make_int_cst (int, int CXX_MEM_STAT_INFO);
3917 /* Make a TREE_VEC. */
3919 extern tree make_tree_vec_stat (int MEM_STAT_DECL);
3920 #define make_tree_vec(t) make_tree_vec_stat (t MEM_STAT_INFO)
3922 /* Grow a TREE_VEC. */
3924 extern tree grow_tree_vec_stat (tree v, int MEM_STAT_DECL);
3925 #define grow_tree_vec(v, t) grow_tree_vec_stat (v, t MEM_STAT_INFO)
3927 /* Construct various types of nodes. */
3929 extern tree build_nt (enum tree_code, ...);
3930 extern tree build_nt_call_vec (tree, vec<tree, va_gc> *);
3932 extern tree build0_stat (enum tree_code, tree MEM_STAT_DECL);
3933 #define build0(c,t) build0_stat (c,t MEM_STAT_INFO)
3934 extern tree build1_stat (enum tree_code, tree, tree MEM_STAT_DECL);
3935 #define build1(c,t1,t2) build1_stat (c,t1,t2 MEM_STAT_INFO)
3936 extern tree build2_stat (enum tree_code, tree, tree, tree MEM_STAT_DECL);
3937 #define build2(c,t1,t2,t3) build2_stat (c,t1,t2,t3 MEM_STAT_INFO)
3938 extern tree build3_stat (enum tree_code, tree, tree, tree, tree MEM_STAT_DECL);
3939 #define build3(c,t1,t2,t3,t4) build3_stat (c,t1,t2,t3,t4 MEM_STAT_INFO)
3940 extern tree build4_stat (enum tree_code, tree, tree, tree, tree,
3941 tree MEM_STAT_DECL);
3942 #define build4(c,t1,t2,t3,t4,t5) build4_stat (c,t1,t2,t3,t4,t5 MEM_STAT_INFO)
3943 extern tree build5_stat (enum tree_code, tree, tree, tree, tree, tree,
3944 tree MEM_STAT_DECL);
3945 #define build5(c,t1,t2,t3,t4,t5,t6) build5_stat (c,t1,t2,t3,t4,t5,t6 MEM_STAT_INFO)
3947 /* _loc versions of build[1-5]. */
3950 build1_stat_loc (location_t loc, enum tree_code code, tree type,
3951 tree arg1 MEM_STAT_DECL)
3953 tree t = build1_stat (code, type, arg1 PASS_MEM_STAT);
3954 if (CAN_HAVE_LOCATION_P (t))
3955 SET_EXPR_LOCATION (t, loc);
3958 #define build1_loc(l,c,t1,t2) build1_stat_loc (l,c,t1,t2 MEM_STAT_INFO)
3961 build2_stat_loc (location_t loc, enum tree_code code, tree type, tree arg0,
3962 tree arg1 MEM_STAT_DECL)
3964 tree t = build2_stat (code, type, arg0, arg1 PASS_MEM_STAT);
3965 if (CAN_HAVE_LOCATION_P (t))
3966 SET_EXPR_LOCATION (t, loc);
3969 #define build2_loc(l,c,t1,t2,t3) build2_stat_loc (l,c,t1,t2,t3 MEM_STAT_INFO)
3972 build3_stat_loc (location_t loc, enum tree_code code, tree type, tree arg0,
3973 tree arg1, tree arg2 MEM_STAT_DECL)
3975 tree t = build3_stat (code, type, arg0, arg1, arg2 PASS_MEM_STAT);
3976 if (CAN_HAVE_LOCATION_P (t))
3977 SET_EXPR_LOCATION (t, loc);
3980 #define build3_loc(l,c,t1,t2,t3,t4) \
3981 build3_stat_loc (l,c,t1,t2,t3,t4 MEM_STAT_INFO)
3984 build4_stat_loc (location_t loc, enum tree_code code, tree type, tree arg0,
3985 tree arg1, tree arg2, tree arg3 MEM_STAT_DECL)
3987 tree t = build4_stat (code, type, arg0, arg1, arg2, arg3 PASS_MEM_STAT);
3988 if (CAN_HAVE_LOCATION_P (t))
3989 SET_EXPR_LOCATION (t, loc);
3992 #define build4_loc(l,c,t1,t2,t3,t4,t5) \
3993 build4_stat_loc (l,c,t1,t2,t3,t4,t5 MEM_STAT_INFO)
3996 build5_stat_loc (location_t loc, enum tree_code code, tree type, tree arg0,
3997 tree arg1, tree arg2, tree arg3, tree arg4 MEM_STAT_DECL)
3999 tree t = build5_stat (code, type, arg0, arg1, arg2, arg3,
4000 arg4 PASS_MEM_STAT);
4001 if (CAN_HAVE_LOCATION_P (t))
4002 SET_EXPR_LOCATION (t, loc);
4005 #define build5_loc(l,c,t1,t2,t3,t4,t5,t6) \
4006 build5_stat_loc (l,c,t1,t2,t3,t4,t5,t6 MEM_STAT_INFO)
4008 extern tree build_var_debug_value_stat (tree, tree MEM_STAT_DECL);
4009 #define build_var_debug_value(t1,t2) \
4010 build_var_debug_value_stat (t1,t2 MEM_STAT_INFO)
4012 /* Constructs double_int from tree CST. */
4014 extern tree double_int_to_tree (tree, double_int);
4016 extern tree wide_int_to_tree (tree type, const wide_int_ref &cst);
4017 extern tree force_fit_type (tree, const wide_int_ref &, int, bool);
4019 /* Create an INT_CST node with a CST value zero extended. */
4022 extern tree build_int_cst (tree, HOST_WIDE_INT);
4023 extern tree build_int_cstu (tree type, unsigned HOST_WIDE_INT cst);
4024 extern tree build_int_cst_type (tree, HOST_WIDE_INT);
4025 extern tree make_vector_stat (unsigned MEM_STAT_DECL);
4026 #define make_vector(n) make_vector_stat (n MEM_STAT_INFO)
4027 extern tree build_vector_stat (tree, tree * MEM_STAT_DECL);
4028 #define build_vector(t,v) build_vector_stat (t, v MEM_STAT_INFO)
4029 extern tree build_vector_from_ctor (tree, vec<constructor_elt, va_gc> *);
4030 extern tree build_vector_from_val (tree, tree);
4031 extern void recompute_constructor_flags (tree);
4032 extern void verify_constructor_flags (tree);
4033 extern tree build_constructor (tree, vec<constructor_elt, va_gc> *);
4034 extern tree build_constructor_single (tree, tree, tree);
4035 extern tree build_constructor_from_list (tree, tree);
4036 extern tree build_constructor_va (tree, int, ...);
4037 extern tree build_real_from_int_cst (tree, const_tree);
4038 extern tree build_complex (tree, tree, tree);
4039 extern tree build_complex_inf (tree, bool);
4040 extern tree build_each_one_cst (tree);
4041 extern tree build_one_cst (tree);
4042 extern tree build_minus_one_cst (tree);
4043 extern tree build_all_ones_cst (tree);
4044 extern tree build_zero_cst (tree);
4045 extern tree build_string (int, const char *);
4046 extern tree build_tree_list_stat (tree, tree MEM_STAT_DECL);
4047 #define build_tree_list(t, q) build_tree_list_stat (t, q MEM_STAT_INFO)
4048 extern tree build_tree_list_vec_stat (const vec<tree, va_gc> *MEM_STAT_DECL);
4049 #define build_tree_list_vec(v) build_tree_list_vec_stat (v MEM_STAT_INFO)
4050 extern tree build_decl_stat (location_t, enum tree_code,
4051 tree, tree MEM_STAT_DECL);
4052 extern tree build_fn_decl (const char *, tree);
4053 #define build_decl(l,c,t,q) build_decl_stat (l, c, t, q MEM_STAT_INFO)
4054 extern tree build_translation_unit_decl (tree);
4055 extern tree build_block (tree, tree, tree, tree);
4056 extern tree build_empty_stmt (location_t);
4057 extern tree build_omp_clause (location_t, enum omp_clause_code);
4059 extern tree build_vl_exp_stat (enum tree_code, int MEM_STAT_DECL);
4060 #define build_vl_exp(c, n) build_vl_exp_stat (c, n MEM_STAT_INFO)
4062 extern tree build_call_nary (tree, tree, int, ...);
4063 extern tree build_call_valist (tree, tree, int, va_list);
4064 #define build_call_array(T1,T2,N,T3)\
4065 build_call_array_loc (UNKNOWN_LOCATION, T1, T2, N, T3)
4066 extern tree build_call_array_loc (location_t, tree, tree, int, const tree *);
4067 extern tree build_call_vec (tree, tree, vec<tree, va_gc> *);
4068 extern tree build_call_expr_loc_array (location_t, tree, int, tree *);
4069 extern tree build_call_expr_loc_vec (location_t, tree, vec<tree, va_gc> *);
4070 extern tree build_call_expr_loc (location_t, tree, int, ...);
4071 extern tree build_call_expr (tree, int, ...);
4072 extern tree build_call_expr_internal_loc (location_t, enum internal_fn,
4074 extern tree build_call_expr_internal_loc_array (location_t, enum internal_fn,
4075 tree, int, const tree *);
4076 extern tree maybe_build_call_expr_loc (location_t, combined_fn, tree,
4078 extern tree build_string_literal (int, const char *);
4080 /* Construct various nodes representing data types. */
4082 extern tree signed_or_unsigned_type_for (int, tree);
4083 extern tree signed_type_for (tree);
4084 extern tree unsigned_type_for (tree);
4085 extern tree truth_type_for (tree);
4086 extern tree build_pointer_type_for_mode (tree, machine_mode, bool);
4087 extern tree build_pointer_type (tree);
4088 extern tree build_reference_type_for_mode (tree, machine_mode, bool);
4089 extern tree build_reference_type (tree);
4090 extern tree build_vector_type_for_mode (tree, machine_mode);
4091 extern tree build_vector_type (tree innertype, int nunits);
4092 extern tree build_truth_vector_type (unsigned, unsigned);
4093 extern tree build_same_sized_truth_vector_type (tree vectype);
4094 extern tree build_opaque_vector_type (tree innertype, int nunits);
4095 extern tree build_index_type (tree);
4096 extern tree build_array_type (tree, tree, bool = false);
4097 extern tree build_nonshared_array_type (tree, tree);
4098 extern tree build_array_type_nelts (tree, unsigned HOST_WIDE_INT);
4099 extern tree build_function_type (tree, tree);
4100 extern tree build_function_type_list (tree, ...);
4101 extern tree build_varargs_function_type_list (tree, ...);
4102 extern tree build_function_type_array (tree, int, tree *);
4103 extern tree build_varargs_function_type_array (tree, int, tree *);
4104 #define build_function_type_vec(RET, V) \
4105 build_function_type_array (RET, vec_safe_length (V), vec_safe_address (V))
4106 #define build_varargs_function_type_vec(RET, V) \
4107 build_varargs_function_type_array (RET, vec_safe_length (V), \
4108 vec_safe_address (V))
4109 extern tree build_method_type_directly (tree, tree, tree);
4110 extern tree build_method_type (tree, tree);
4111 extern tree build_offset_type (tree, tree);
4112 extern tree build_complex_type (tree, bool named = false);
4113 extern tree array_type_nelts (const_tree);
4115 extern tree value_member (tree, tree);
4116 extern tree purpose_member (const_tree, tree);
4117 extern bool vec_member (const_tree, vec<tree, va_gc> *);
4118 extern tree chain_index (int, tree);
4120 extern int attribute_list_equal (const_tree, const_tree);
4121 extern int attribute_list_contained (const_tree, const_tree);
4122 extern int tree_int_cst_equal (const_tree, const_tree);
4124 extern bool tree_fits_shwi_p (const_tree)
4126 extern bool tree_fits_uhwi_p (const_tree)
4128 extern HOST_WIDE_INT tree_to_shwi (const_tree);
4129 extern unsigned HOST_WIDE_INT tree_to_uhwi (const_tree);
4130 #if !defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 4003)
4131 extern inline __attribute__ ((__gnu_inline__)) HOST_WIDE_INT
4132 tree_to_shwi (const_tree t)
4134 gcc_assert (tree_fits_shwi_p (t));
4135 return TREE_INT_CST_LOW (t);
4138 extern inline __attribute__ ((__gnu_inline__)) unsigned HOST_WIDE_INT
4139 tree_to_uhwi (const_tree t)
4141 gcc_assert (tree_fits_uhwi_p (t));
4142 return TREE_INT_CST_LOW (t);
4145 extern int tree_int_cst_sgn (const_tree);
4146 extern int tree_int_cst_sign_bit (const_tree);
4147 extern unsigned int tree_int_cst_min_precision (tree, signop);
4148 extern tree strip_array_types (tree);
4149 extern tree excess_precision_type (tree);
4150 extern bool valid_constant_size_p (const_tree);
4153 /* From expmed.c. Since rtl.h is included after tree.h, we can't
4154 put the prototype here. Rtl.h does declare the prototype if
4155 tree.h had been included. */
4157 extern tree make_tree (tree, rtx);
4159 /* Return a type like TTYPE except that its TYPE_ATTRIBUTES
4162 Such modified types already made are recorded so that duplicates
4165 extern tree build_type_attribute_variant (tree, tree);
4166 extern tree build_decl_attribute_variant (tree, tree);
4167 extern tree build_type_attribute_qual_variant (tree, tree, int);
4169 extern bool attribute_value_equal (const_tree, const_tree);
4171 /* Return 0 if the attributes for two types are incompatible, 1 if they
4172 are compatible, and 2 if they are nearly compatible (which causes a
4173 warning to be generated). */
4174 extern int comp_type_attributes (const_tree, const_tree);
4176 /* Default versions of target-overridable functions. */
4177 extern tree merge_decl_attributes (tree, tree);
4178 extern tree merge_type_attributes (tree, tree);
4180 /* This function is a private implementation detail of lookup_attribute()
4181 and you should never call it directly. */
4182 extern tree private_lookup_attribute (const char *, size_t, tree);
4184 /* This function is a private implementation detail
4185 of lookup_attribute_by_prefix() and you should never call it directly. */
4186 extern tree private_lookup_attribute_by_prefix (const char *, size_t, tree);
4188 /* Given an attribute name ATTR_NAME and a list of attributes LIST,
4189 return a pointer to the attribute's list element if the attribute
4190 is part of the list, or NULL_TREE if not found. If the attribute
4191 appears more than once, this only returns the first occurrence; the
4192 TREE_CHAIN of the return value should be passed back in if further
4193 occurrences are wanted. ATTR_NAME must be in the form 'text' (not
4197 lookup_attribute (const char *attr_name, tree list)
4199 gcc_checking_assert (attr_name[0] != '_');
4200 /* In most cases, list is NULL_TREE. */
4201 if (list == NULL_TREE)
4204 /* Do the strlen() before calling the out-of-line implementation.
4205 In most cases attr_name is a string constant, and the compiler
4206 will optimize the strlen() away. */
4207 return private_lookup_attribute (attr_name, strlen (attr_name), list);
4210 /* Given an attribute name ATTR_NAME and a list of attributes LIST,
4211 return a pointer to the attribute's list first element if the attribute
4212 starts with ATTR_NAME. ATTR_NAME must be in the form 'text' (not
4216 lookup_attribute_by_prefix (const char *attr_name, tree list)
4218 gcc_checking_assert (attr_name[0] != '_');
4219 /* In most cases, list is NULL_TREE. */
4220 if (list == NULL_TREE)
4223 return private_lookup_attribute_by_prefix (attr_name, strlen (attr_name),
4228 /* This function is a private implementation detail of
4229 is_attribute_p() and you should never call it directly. */
4230 extern bool private_is_attribute_p (const char *, size_t, const_tree);
4232 /* Given an identifier node IDENT and a string ATTR_NAME, return true
4233 if the identifier node is a valid attribute name for the string.
4234 ATTR_NAME must be in the form 'text' (not '__text__'). IDENT could
4235 be the identifier for 'text' or for '__text__'. */
4238 is_attribute_p (const char *attr_name, const_tree ident)
4240 gcc_checking_assert (attr_name[0] != '_');
4241 /* Do the strlen() before calling the out-of-line implementation.
4242 In most cases attr_name is a string constant, and the compiler
4243 will optimize the strlen() away. */
4244 return private_is_attribute_p (attr_name, strlen (attr_name), ident);
4247 /* Remove any instances of attribute ATTR_NAME in LIST and return the
4248 modified list. ATTR_NAME must be in the form 'text' (not
4251 extern tree remove_attribute (const char *, tree);
4253 /* Given two attributes lists, return a list of their union. */
4255 extern tree merge_attributes (tree, tree);
4257 /* Given two Windows decl attributes lists, possibly including
4258 dllimport, return a list of their union . */
4259 extern tree merge_dllimport_decl_attributes (tree, tree);
4261 /* Handle a "dllimport" or "dllexport" attribute. */
4262 extern tree handle_dll_attribute (tree *, tree, tree, int, bool *);
4264 /* Returns true iff CAND and BASE have equivalent language-specific
4267 extern bool check_lang_type (const_tree cand, const_tree base);
4269 /* Returns true iff unqualified CAND and BASE are equivalent. */
4271 extern bool check_base_type (const_tree cand, const_tree base);
4273 /* Check whether CAND is suitable to be returned from get_qualified_type
4274 (BASE, TYPE_QUALS). */
4276 extern bool check_qualified_type (const_tree, const_tree, int);
4278 /* Return a version of the TYPE, qualified as indicated by the
4279 TYPE_QUALS, if one exists. If no qualified version exists yet,
4280 return NULL_TREE. */
4282 extern tree get_qualified_type (tree, int);
4284 /* Like get_qualified_type, but creates the type if it does not
4285 exist. This function never returns NULL_TREE. */
4287 extern tree build_qualified_type (tree, int CXX_MEM_STAT_INFO);
4289 /* Create a variant of type T with alignment ALIGN. */
4291 extern tree build_aligned_type (tree, unsigned int);
4293 /* Like build_qualified_type, but only deals with the `const' and
4294 `volatile' qualifiers. This interface is retained for backwards
4295 compatibility with the various front-ends; new code should use
4296 build_qualified_type instead. */
4298 #define build_type_variant(TYPE, CONST_P, VOLATILE_P) \
4299 build_qualified_type ((TYPE), \
4300 ((CONST_P) ? TYPE_QUAL_CONST : 0) \
4301 | ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
4303 /* Make a copy of a type node. */
4305 extern tree build_distinct_type_copy (tree CXX_MEM_STAT_INFO);
4306 extern tree build_variant_type_copy (tree CXX_MEM_STAT_INFO);
4308 /* Given a hashcode and a ..._TYPE node (for which the hashcode was made),
4309 return a canonicalized ..._TYPE node, so that duplicates are not made.
4310 How the hash code is computed is up to the caller, as long as any two
4311 callers that could hash identical-looking type nodes agree. */
4313 extern hashval_t type_hash_canon_hash (tree);
4314 extern tree type_hash_canon (unsigned int, tree);
4316 extern tree convert (tree, tree);
4317 extern unsigned int expr_align (const_tree);
4318 extern tree size_in_bytes_loc (location_t, const_tree);
4320 size_in_bytes (const_tree t)
4322 return size_in_bytes_loc (input_location, t);
4325 extern HOST_WIDE_INT int_size_in_bytes (const_tree);
4326 extern HOST_WIDE_INT max_int_size_in_bytes (const_tree);
4327 extern tree bit_position (const_tree);
4328 extern tree byte_position (const_tree);
4329 extern HOST_WIDE_INT int_byte_position (const_tree);
4331 /* Type for sizes of data-type. */
4333 #define sizetype sizetype_tab[(int) stk_sizetype]
4334 #define bitsizetype sizetype_tab[(int) stk_bitsizetype]
4335 #define ssizetype sizetype_tab[(int) stk_ssizetype]
4336 #define sbitsizetype sizetype_tab[(int) stk_sbitsizetype]
4337 #define size_int(L) size_int_kind (L, stk_sizetype)
4338 #define ssize_int(L) size_int_kind (L, stk_ssizetype)
4339 #define bitsize_int(L) size_int_kind (L, stk_bitsizetype)
4340 #define sbitsize_int(L) size_int_kind (L, stk_sbitsizetype)
4342 /* Log2 of BITS_PER_UNIT. */
4344 #if BITS_PER_UNIT == 8
4345 #define LOG2_BITS_PER_UNIT 3
4346 #elif BITS_PER_UNIT == 16
4347 #define LOG2_BITS_PER_UNIT 4
4349 #error Unknown BITS_PER_UNIT
4352 /* Concatenate two lists (chains of TREE_LIST nodes) X and Y
4353 by making the last node in X point to Y.
4354 Returns X, except if X is 0 returns Y. */
4356 extern tree chainon (tree, tree);
4358 /* Make a new TREE_LIST node from specified PURPOSE, VALUE and CHAIN. */
4360 extern tree tree_cons_stat (tree, tree, tree MEM_STAT_DECL);
4361 #define tree_cons(t,q,w) tree_cons_stat (t,q,w MEM_STAT_INFO)
4363 /* Return the last tree node in a chain. */
4365 extern tree tree_last (tree);
4367 /* Reverse the order of elements in a chain, and return the new head. */
4369 extern tree nreverse (tree);
4371 /* Returns the length of a chain of nodes
4372 (number of chain pointers to follow before reaching a null pointer). */
4374 extern int list_length (const_tree);
4376 /* Returns the first FIELD_DECL in a type. */
4378 extern tree first_field (const_tree);
4380 /* Given an initializer INIT, return TRUE if INIT is zero or some
4381 aggregate of zeros. Otherwise return FALSE. */
4383 extern bool initializer_zerop (const_tree);
4385 /* Given a vector VEC, return its first element if all elements are
4386 the same. Otherwise return NULL_TREE. */
4388 extern tree uniform_vector_p (const_tree);
4390 /* Given a CONSTRUCTOR CTOR, return the element values as a vector. */
4392 extern vec<tree, va_gc> *ctor_to_vec (tree);
4394 /* zerop (tree x) is nonzero if X is a constant of value 0. */
4396 extern int zerop (const_tree);
4398 /* integer_zerop (tree x) is nonzero if X is an integer constant of value 0. */
4400 extern int integer_zerop (const_tree);
4402 /* integer_onep (tree x) is nonzero if X is an integer constant of value 1. */
4404 extern int integer_onep (const_tree);
4406 /* integer_onep (tree x) is nonzero if X is an integer constant of value 1, or
4407 a vector or complex where each part is 1. */
4409 extern int integer_each_onep (const_tree);
4411 /* integer_all_onesp (tree x) is nonzero if X is an integer constant
4412 all of whose significant bits are 1. */
4414 extern int integer_all_onesp (const_tree);
4416 /* integer_minus_onep (tree x) is nonzero if X is an integer constant of
4419 extern int integer_minus_onep (const_tree);
4421 /* integer_pow2p (tree x) is nonzero is X is an integer constant with
4422 exactly one bit 1. */
4424 extern int integer_pow2p (const_tree);
4426 /* integer_nonzerop (tree x) is nonzero if X is an integer constant
4427 with a nonzero value. */
4429 extern int integer_nonzerop (const_tree);
4431 /* integer_truep (tree x) is nonzero if X is an integer constant of value 1 or
4432 a vector where each element is an integer constant of value -1. */
4434 extern int integer_truep (const_tree);
4436 extern bool cst_and_fits_in_hwi (const_tree);
4437 extern tree num_ending_zeros (const_tree);
4439 /* fixed_zerop (tree x) is nonzero if X is a fixed-point constant of
4442 extern int fixed_zerop (const_tree);
4444 /* staticp (tree x) is nonzero if X is a reference to data allocated
4445 at a fixed address in memory. Returns the outermost data. */
4447 extern tree staticp (tree);
4449 /* save_expr (EXP) returns an expression equivalent to EXP
4450 but it can be used multiple times within context CTX
4451 and only evaluate EXP once. */
4453 extern tree save_expr (tree);
4455 /* Return true if T is function-invariant. */
4457 extern bool tree_invariant_p (tree);
4459 /* Look inside EXPR into any simple arithmetic operations. Return the
4460 outermost non-arithmetic or non-invariant node. */
4462 extern tree skip_simple_arithmetic (tree);
4464 /* Look inside EXPR into simple arithmetic operations involving constants.
4465 Return the outermost non-arithmetic or non-constant node. */
4467 extern tree skip_simple_constant_arithmetic (tree);
4469 /* Return which tree structure is used by T. */
4471 enum tree_node_structure_enum tree_node_structure (const_tree);
4473 /* Return true if EXP contains a PLACEHOLDER_EXPR, i.e. if it represents a
4474 size or offset that depends on a field within a record. */
4476 extern bool contains_placeholder_p (const_tree);
4478 /* This macro calls the above function but short-circuits the common
4479 case of a constant to save time. Also check for null. */
4481 #define CONTAINS_PLACEHOLDER_P(EXP) \
4482 ((EXP) != 0 && ! TREE_CONSTANT (EXP) && contains_placeholder_p (EXP))
4484 /* Return true if any part of the structure of TYPE involves a PLACEHOLDER_EXPR
4485 directly. This includes size, bounds, qualifiers (for QUAL_UNION_TYPE) and
4488 extern bool type_contains_placeholder_p (tree);
4490 /* Given a tree EXP, find all occurrences of references to fields
4491 in a PLACEHOLDER_EXPR and place them in vector REFS without
4492 duplicates. Also record VAR_DECLs and CONST_DECLs. Note that
4493 we assume here that EXP contains only arithmetic expressions
4494 or CALL_EXPRs with PLACEHOLDER_EXPRs occurring only in their
4497 extern void find_placeholder_in_expr (tree, vec<tree> *);
4499 /* This macro calls the above function but short-circuits the common
4500 case of a constant to save time and also checks for NULL. */
4502 #define FIND_PLACEHOLDER_IN_EXPR(EXP, V) \
4504 if((EXP) && !TREE_CONSTANT (EXP)) \
4505 find_placeholder_in_expr (EXP, V); \
4508 /* Given a tree EXP, a FIELD_DECL F, and a replacement value R,
4509 return a tree with all occurrences of references to F in a
4510 PLACEHOLDER_EXPR replaced by R. Also handle VAR_DECLs and
4511 CONST_DECLs. Note that we assume here that EXP contains only
4512 arithmetic expressions or CALL_EXPRs with PLACEHOLDER_EXPRs
4513 occurring only in their argument list. */
4515 extern tree substitute_in_expr (tree, tree, tree);
4517 /* This macro calls the above function but short-circuits the common
4518 case of a constant to save time and also checks for NULL. */
4520 #define SUBSTITUTE_IN_EXPR(EXP, F, R) \
4521 ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP) : substitute_in_expr (EXP, F, R))
4523 /* Similar, but look for a PLACEHOLDER_EXPR in EXP and find a replacement
4524 for it within OBJ, a tree that is an object or a chain of references. */
4526 extern tree substitute_placeholder_in_expr (tree, tree);
4528 /* This macro calls the above function but short-circuits the common
4529 case of a constant to save time and also checks for NULL. */
4531 #define SUBSTITUTE_PLACEHOLDER_IN_EXPR(EXP, OBJ) \
4532 ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP) \
4533 : substitute_placeholder_in_expr (EXP, OBJ))
4536 /* stabilize_reference (EXP) returns a reference equivalent to EXP
4537 but it can be used multiple times
4538 and only evaluate the subexpressions once. */
4540 extern tree stabilize_reference (tree);
4542 /* Return EXP, stripped of any conversions to wider types
4543 in such a way that the result of converting to type FOR_TYPE
4544 is the same as if EXP were converted to FOR_TYPE.
4545 If FOR_TYPE is 0, it signifies EXP's type. */
4547 extern tree get_unwidened (tree, tree);
4549 /* Return OP or a simpler expression for a narrower value
4550 which can be sign-extended or zero-extended to give back OP.
4551 Store in *UNSIGNEDP_PTR either 1 if the value should be zero-extended
4552 or 0 if the value should be sign-extended. */
4554 extern tree get_narrower (tree, int *);
4556 /* Return true if T is an expression that get_inner_reference handles. */
4559 handled_component_p (const_tree t)
4561 switch (TREE_CODE (t))
4566 case ARRAY_RANGE_REF:
4569 case VIEW_CONVERT_EXPR:
4577 /* Return true T is a component with reverse storage order. */
4580 reverse_storage_order_for_component_p (tree t)
4582 /* The storage order only applies to scalar components. */
4583 if (AGGREGATE_TYPE_P (TREE_TYPE (t)) || VECTOR_TYPE_P (TREE_TYPE (t)))
4586 if (TREE_CODE (t) == REALPART_EXPR || TREE_CODE (t) == IMAGPART_EXPR)
4587 t = TREE_OPERAND (t, 0);
4589 switch (TREE_CODE (t))
4593 /* ??? Fortran can take COMPONENT_REF of a VOID_TYPE. */
4594 /* ??? UBSan can take COMPONENT_REF of a REFERENCE_TYPE. */
4595 return AGGREGATE_TYPE_P (TREE_TYPE (TREE_OPERAND (t, 0)))
4596 && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (TREE_OPERAND (t, 0)));
4600 return REF_REVERSE_STORAGE_ORDER (t);
4602 case ARRAY_RANGE_REF:
4603 case VIEW_CONVERT_EXPR:
4611 /* Return true if T is a storage order barrier, i.e. a VIEW_CONVERT_EXPR
4612 that can modify the storage order of objects. Note that, even if the
4613 TYPE_REVERSE_STORAGE_ORDER flag is set on both the inner type and the
4614 outer type, a VIEW_CONVERT_EXPR can modify the storage order because
4615 it can change the partition of the aggregate object into scalars. */
4618 storage_order_barrier_p (const_tree t)
4620 if (TREE_CODE (t) != VIEW_CONVERT_EXPR)
4623 if (AGGREGATE_TYPE_P (TREE_TYPE (t))
4624 && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (t)))
4627 tree op = TREE_OPERAND (t, 0);
4629 if (AGGREGATE_TYPE_P (TREE_TYPE (op))
4630 && TYPE_REVERSE_STORAGE_ORDER (TREE_TYPE (op)))
4636 /* Given a DECL or TYPE, return the scope in which it was declared, or
4637 NUL_TREE if there is no containing scope. */
4639 extern tree get_containing_scope (const_tree);
4641 /* Return the FUNCTION_DECL which provides this _DECL with its context,
4643 extern tree decl_function_context (const_tree);
4645 /* Return the RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE which provides
4646 this _DECL with its context, or zero if none. */
4647 extern tree decl_type_context (const_tree);
4649 /* Return 1 if EXPR is the real constant zero. */
4650 extern int real_zerop (const_tree);
4652 /* Initialize the iterator I with arguments from function FNDECL */
4655 function_args_iter_init (function_args_iterator *i, const_tree fntype)
4657 i->next = TYPE_ARG_TYPES (fntype);
4660 /* Return a pointer that holds the next argument if there are more arguments to
4661 handle, otherwise return NULL. */
4663 static inline tree *
4664 function_args_iter_cond_ptr (function_args_iterator *i)
4666 return (i->next) ? &TREE_VALUE (i->next) : NULL;
4669 /* Return the next argument if there are more arguments to handle, otherwise
4673 function_args_iter_cond (function_args_iterator *i)
4675 return (i->next) ? TREE_VALUE (i->next) : NULL_TREE;
4678 /* Advance to the next argument. */
4680 function_args_iter_next (function_args_iterator *i)
4682 gcc_assert (i->next != NULL_TREE);
4683 i->next = TREE_CHAIN (i->next);
4686 /* We set BLOCK_SOURCE_LOCATION only to inlined function entry points. */
4689 inlined_function_outer_scope_p (const_tree block)
4691 return LOCATION_LOCUS (BLOCK_SOURCE_LOCATION (block)) != UNKNOWN_LOCATION;
4694 /* Loop over all function arguments of FNTYPE. In each iteration, PTR is set
4695 to point to the next tree element. ITER is an instance of
4696 function_args_iterator used to iterate the arguments. */
4697 #define FOREACH_FUNCTION_ARGS_PTR(FNTYPE, PTR, ITER) \
4698 for (function_args_iter_init (&(ITER), (FNTYPE)); \
4699 (PTR = function_args_iter_cond_ptr (&(ITER))) != NULL; \
4700 function_args_iter_next (&(ITER)))
4702 /* Loop over all function arguments of FNTYPE. In each iteration, TREE is set
4703 to the next tree element. ITER is an instance of function_args_iterator
4704 used to iterate the arguments. */
4705 #define FOREACH_FUNCTION_ARGS(FNTYPE, TREE, ITER) \
4706 for (function_args_iter_init (&(ITER), (FNTYPE)); \
4707 (TREE = function_args_iter_cond (&(ITER))) != NULL_TREE; \
4708 function_args_iter_next (&(ITER)))
4711 extern unsigned crc32_unsigned_n (unsigned, unsigned, unsigned);
4712 extern unsigned crc32_string (unsigned, const char *);
4714 crc32_unsigned (unsigned chksum, unsigned value)
4716 return crc32_unsigned_n (chksum, value, 4);
4719 crc32_byte (unsigned chksum, char byte)
4721 return crc32_unsigned_n (chksum, byte, 1);
4723 extern void clean_symbol_name (char *);
4724 extern tree get_file_function_name (const char *);
4725 extern tree get_callee_fndecl (const_tree);
4726 extern combined_fn get_call_combined_fn (const_tree);
4727 extern int type_num_arguments (const_tree);
4728 extern bool associative_tree_code (enum tree_code);
4729 extern bool commutative_tree_code (enum tree_code);
4730 extern bool commutative_ternary_tree_code (enum tree_code);
4731 extern bool operation_can_overflow (enum tree_code);
4732 extern bool operation_no_trapping_overflow (tree, enum tree_code);
4733 extern tree upper_bound_in_type (tree, tree);
4734 extern tree lower_bound_in_type (tree, tree);
4735 extern int operand_equal_for_phi_arg_p (const_tree, const_tree);
4736 extern tree create_artificial_label (location_t);
4737 extern const char *get_name (tree);
4738 extern bool stdarg_p (const_tree);
4739 extern bool prototype_p (const_tree);
4740 extern bool is_typedef_decl (const_tree x);
4741 extern bool typedef_variant_p (const_tree);
4742 extern bool auto_var_in_fn_p (const_tree, const_tree);
4743 extern tree build_low_bits_mask (tree, unsigned);
4744 extern bool tree_nop_conversion_p (const_tree, const_tree);
4745 extern tree tree_strip_nop_conversions (tree);
4746 extern tree tree_strip_sign_nop_conversions (tree);
4747 extern const_tree strip_invariant_refs (const_tree);
4748 extern tree lhd_gcc_personality (void);
4749 extern void assign_assembler_name_if_needed (tree);
4750 extern void warn_deprecated_use (tree, tree);
4751 extern void cache_integer_cst (tree);
4752 extern const char *combined_fn_name (combined_fn);
4754 /* Compare and hash for any structure which begins with a canonical
4755 pointer. Assumes all pointers are interchangeable, which is sort
4756 of already assumed by gcc elsewhere IIRC. */
4759 struct_ptr_eq (const void *a, const void *b)
4761 const void * const * x = (const void * const *) a;
4762 const void * const * y = (const void * const *) b;
4766 static inline hashval_t
4767 struct_ptr_hash (const void *a)
4769 const void * const * x = (const void * const *) a;
4770 return (intptr_t)*x >> 4;
4773 /* Return nonzero if CODE is a tree code that represents a truth value. */
4775 truth_value_p (enum tree_code code)
4777 return (TREE_CODE_CLASS (code) == tcc_comparison
4778 || code == TRUTH_AND_EXPR || code == TRUTH_ANDIF_EXPR
4779 || code == TRUTH_OR_EXPR || code == TRUTH_ORIF_EXPR
4780 || code == TRUTH_XOR_EXPR || code == TRUTH_NOT_EXPR);
4783 /* Return whether TYPE is a type suitable for an offset for
4784 a POINTER_PLUS_EXPR. */
4786 ptrofftype_p (tree type)
4788 return (INTEGRAL_TYPE_P (type)
4789 && TYPE_PRECISION (type) == TYPE_PRECISION (sizetype)
4790 && TYPE_UNSIGNED (type) == TYPE_UNSIGNED (sizetype));
4793 /* Return true if the argument is a complete type or an array
4794 of unknown bound (whose type is incomplete but) whose elements
4795 have complete type. */
4797 complete_or_array_type_p (const_tree type)
4799 return COMPLETE_TYPE_P (type)
4800 || (TREE_CODE (type) == ARRAY_TYPE
4801 && COMPLETE_TYPE_P (TREE_TYPE (type)));
4804 extern tree strip_float_extensions (tree);
4805 extern int really_constant_p (const_tree);
4806 extern bool decl_address_invariant_p (const_tree);
4807 extern bool decl_address_ip_invariant_p (const_tree);
4808 extern bool int_fits_type_p (const_tree, const_tree);
4809 #ifndef GENERATOR_FILE
4810 extern void get_type_static_bounds (const_tree, mpz_t, mpz_t);
4812 extern bool variably_modified_type_p (tree, tree);
4813 extern int tree_log2 (const_tree);
4814 extern int tree_floor_log2 (const_tree);
4815 extern unsigned int tree_ctz (const_tree);
4816 extern int simple_cst_equal (const_tree, const_tree);
4821 extern void add_expr (const_tree, hash &, unsigned int = 0);
4825 /* Compat version until all callers are converted. Return hash for
4827 static inline hashval_t iterative_hash_expr(const_tree tree, hashval_t seed)
4829 inchash::hash hstate (seed);
4830 inchash::add_expr (tree, hstate);
4831 return hstate.end ();
4834 extern int compare_tree_int (const_tree, unsigned HOST_WIDE_INT);
4835 extern int type_list_equal (const_tree, const_tree);
4836 extern int chain_member (const_tree, const_tree);
4837 extern void dump_tree_statistics (void);
4838 extern void recompute_tree_invariant_for_addr_expr (tree);
4839 extern bool needs_to_live_in_memory (const_tree);
4840 extern tree reconstruct_complex_type (tree, tree);
4841 extern int real_onep (const_tree);
4842 extern int real_minus_onep (const_tree);
4843 extern void init_ttree (void);
4844 extern void build_common_tree_nodes (bool);
4845 extern void build_common_builtin_nodes (void);
4846 extern tree build_nonstandard_integer_type (unsigned HOST_WIDE_INT, int);
4847 extern tree build_nonstandard_boolean_type (unsigned HOST_WIDE_INT);
4848 extern tree build_range_type (tree, tree, tree);
4849 extern tree build_nonshared_range_type (tree, tree, tree);
4850 extern bool subrange_type_for_debug_p (const_tree, tree *, tree *);
4851 extern HOST_WIDE_INT int_cst_value (const_tree);
4852 extern tree tree_block (tree);
4853 extern void tree_set_block (tree, tree);
4854 extern location_t *block_nonartificial_location (tree);
4855 extern location_t tree_nonartificial_location (tree);
4856 extern tree block_ultimate_origin (const_tree);
4857 extern tree get_binfo_at_offset (tree, HOST_WIDE_INT, tree);
4858 extern bool virtual_method_call_p (const_tree);
4859 extern tree obj_type_ref_class (const_tree ref);
4860 extern bool types_same_for_odr (const_tree type1, const_tree type2,
4862 extern bool contains_bitfld_component_ref_p (const_tree);
4863 extern bool block_may_fallthru (const_tree);
4864 extern void using_eh_for_cleanups (void);
4865 extern bool using_eh_for_cleanups_p (void);
4866 extern const char *get_tree_code_name (enum tree_code);
4867 extern void set_call_expr_flags (tree, int);
4868 extern tree walk_tree_1 (tree*, walk_tree_fn, void*, hash_set<tree>*,
4870 extern tree walk_tree_without_duplicates_1 (tree*, walk_tree_fn, void*,
4872 #define walk_tree(a,b,c,d) \
4873 walk_tree_1 (a, b, c, d, NULL)
4874 #define walk_tree_without_duplicates(a,b,c) \
4875 walk_tree_without_duplicates_1 (a, b, c, NULL)
4877 extern tree drop_tree_overflow (tree);
4879 /* Given a memory reference expression T, return its base address.
4880 The base address of a memory reference expression is the main
4881 object being referenced. */
4882 extern tree get_base_address (tree t);
4884 /* Return a tree of sizetype representing the size, in bytes, of the element
4885 of EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
4886 extern tree array_ref_element_size (tree);
4888 /* Return a tree representing the upper bound of the array mentioned in
4889 EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
4890 extern tree array_ref_up_bound (tree);
4892 /* Return a tree representing the lower bound of the array mentioned in
4893 EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
4894 extern tree array_ref_low_bound (tree);
4896 /* Returns true if REF is an array reference or a component reference
4897 to an array at the end of a structure. If this is the case, the array
4898 may be allocated larger than its upper bound implies. */
4899 extern bool array_at_struct_end_p (tree);
4901 /* Return a tree representing the offset, in bytes, of the field referenced
4902 by EXP. This does not include any offset in DECL_FIELD_BIT_OFFSET. */
4903 extern tree component_ref_field_offset (tree);
4905 extern int tree_map_base_eq (const void *, const void *);
4906 extern unsigned int tree_map_base_hash (const void *);
4907 extern int tree_map_base_marked_p (const void *);
4908 extern void DEBUG_FUNCTION verify_type (const_tree t);
4909 extern bool gimple_canonical_types_compatible_p (const_tree, const_tree,
4910 bool trust_type_canonical = true);
4911 extern bool type_with_interoperable_signedness (const_tree);
4912 extern bitmap get_nonnull_args (const_tree);
4913 extern int get_range_pos_neg (tree);
4915 /* Return simplified tree code of type that is used for canonical type
4917 inline enum tree_code
4918 tree_code_for_canonical_type_merging (enum tree_code code)
4920 /* By C standard, each enumerated type shall be compatible with char,
4921 a signed integer, or an unsigned integer. The choice of type is
4922 implementation defined (in our case it depends on -fshort-enum).
4924 For this reason we make no distinction between ENUMERAL_TYPE and INTEGER
4925 type and compare only by their signedness and precision. */
4926 if (code == ENUMERAL_TYPE)
4927 return INTEGER_TYPE;
4928 /* To allow inter-operability between languages having references and
4929 C, we consider reference types and pointers alike. Note that this is
4930 not strictly necessary for C-Fortran 2008 interoperability because
4931 Fortran define C_PTR type that needs to be compatible with C pointers
4932 and we handle this one as ptr_type_node. */
4933 if (code == REFERENCE_TYPE)
4934 return POINTER_TYPE;
4938 /* Return ture if get_alias_set care about TYPE_CANONICAL of given type.
4939 We don't define the types for pointers, arrays and vectors. The reason is
4940 that pointers are handled specially: ptr_type_node accesses conflict with
4941 accesses to all other pointers. This is done by alias.c.
4942 Because alias sets of arrays and vectors are the same as types of their
4943 elements, we can't compute canonical type either. Otherwise we could go
4944 form void *[10] to int *[10] (because they are equivalent for canonical type
4945 machinery) and get wrong TBAA. */
4948 canonical_type_used_p (const_tree t)
4950 return !(POINTER_TYPE_P (t)
4951 || TREE_CODE (t) == ARRAY_TYPE
4952 || TREE_CODE (t) == VECTOR_TYPE);
4955 #define tree_map_eq tree_map_base_eq
4956 extern unsigned int tree_map_hash (const void *);
4957 #define tree_map_marked_p tree_map_base_marked_p
4959 #define tree_decl_map_eq tree_map_base_eq
4960 extern unsigned int tree_decl_map_hash (const void *);
4961 #define tree_decl_map_marked_p tree_map_base_marked_p
4963 struct tree_decl_map_cache_hasher : ggc_cache_ptr_hash<tree_decl_map>
4965 static hashval_t hash (tree_decl_map *m) { return tree_decl_map_hash (m); }
4967 equal (tree_decl_map *a, tree_decl_map *b)
4969 return tree_decl_map_eq (a, b);
4973 keep_cache_entry (tree_decl_map *&m)
4975 return ggc_marked_p (m->base.from);
4979 #define tree_int_map_eq tree_map_base_eq
4980 #define tree_int_map_hash tree_map_base_hash
4981 #define tree_int_map_marked_p tree_map_base_marked_p
4983 #define tree_vec_map_eq tree_map_base_eq
4984 #define tree_vec_map_hash tree_decl_map_hash
4985 #define tree_vec_map_marked_p tree_map_base_marked_p
4987 /* Initialize the abstract argument list iterator object ITER with the
4988 arguments from CALL_EXPR node EXP. */
4990 init_call_expr_arg_iterator (tree exp, call_expr_arg_iterator *iter)
4993 iter->n = call_expr_nargs (exp);
4998 init_const_call_expr_arg_iterator (const_tree exp, const_call_expr_arg_iterator *iter)
5001 iter->n = call_expr_nargs (exp);
5005 /* Return the next argument from abstract argument list iterator object ITER,
5006 and advance its state. Return NULL_TREE if there are no more arguments. */
5008 next_call_expr_arg (call_expr_arg_iterator *iter)
5011 if (iter->i >= iter->n)
5013 result = CALL_EXPR_ARG (iter->t, iter->i);
5018 static inline const_tree
5019 next_const_call_expr_arg (const_call_expr_arg_iterator *iter)
5022 if (iter->i >= iter->n)
5024 result = CALL_EXPR_ARG (iter->t, iter->i);
5029 /* Initialize the abstract argument list iterator object ITER, then advance
5030 past and return the first argument. Useful in for expressions, e.g.
5031 for (arg = first_call_expr_arg (exp, &iter); arg;
5032 arg = next_call_expr_arg (&iter)) */
5034 first_call_expr_arg (tree exp, call_expr_arg_iterator *iter)
5036 init_call_expr_arg_iterator (exp, iter);
5037 return next_call_expr_arg (iter);
5040 static inline const_tree
5041 first_const_call_expr_arg (const_tree exp, const_call_expr_arg_iterator *iter)
5043 init_const_call_expr_arg_iterator (exp, iter);
5044 return next_const_call_expr_arg (iter);
5047 /* Test whether there are more arguments in abstract argument list iterator
5048 ITER, without changing its state. */
5050 more_call_expr_args_p (const call_expr_arg_iterator *iter)
5052 return (iter->i < iter->n);
5055 /* Iterate through each argument ARG of CALL_EXPR CALL, using variable ITER
5056 (of type call_expr_arg_iterator) to hold the iteration state. */
5057 #define FOR_EACH_CALL_EXPR_ARG(arg, iter, call) \
5058 for ((arg) = first_call_expr_arg ((call), &(iter)); (arg); \
5059 (arg) = next_call_expr_arg (&(iter)))
5061 #define FOR_EACH_CONST_CALL_EXPR_ARG(arg, iter, call) \
5062 for ((arg) = first_const_call_expr_arg ((call), &(iter)); (arg); \
5063 (arg) = next_const_call_expr_arg (&(iter)))
5065 /* Return true if tree node T is a language-specific node. */
5067 is_lang_specific (const_tree t)
5069 return TREE_CODE (t) == LANG_TYPE || TREE_CODE (t) >= NUM_TREE_CODES;
5072 /* Valid builtin number. */
5073 #define BUILTIN_VALID_P(FNCODE) \
5074 (IN_RANGE ((int)FNCODE, ((int)BUILT_IN_NONE) + 1, ((int) END_BUILTINS) - 1))
5076 /* Return the tree node for an explicit standard builtin function or NULL. */
5078 builtin_decl_explicit (enum built_in_function fncode)
5080 gcc_checking_assert (BUILTIN_VALID_P (fncode));
5082 return builtin_info[(size_t)fncode].decl;
5085 /* Return the tree node for an implicit builtin function or NULL. */
5087 builtin_decl_implicit (enum built_in_function fncode)
5089 size_t uns_fncode = (size_t)fncode;
5090 gcc_checking_assert (BUILTIN_VALID_P (fncode));
5092 if (!builtin_info[uns_fncode].implicit_p)
5095 return builtin_info[uns_fncode].decl;
5098 /* Set explicit builtin function nodes and whether it is an implicit
5102 set_builtin_decl (enum built_in_function fncode, tree decl, bool implicit_p)
5104 size_t ufncode = (size_t)fncode;
5106 gcc_checking_assert (BUILTIN_VALID_P (fncode)
5107 && (decl != NULL_TREE || !implicit_p));
5109 builtin_info[ufncode].decl = decl;
5110 builtin_info[ufncode].implicit_p = implicit_p;
5111 builtin_info[ufncode].declared_p = false;
5114 /* Set the implicit flag for a builtin function. */
5117 set_builtin_decl_implicit_p (enum built_in_function fncode, bool implicit_p)
5119 size_t uns_fncode = (size_t)fncode;
5121 gcc_checking_assert (BUILTIN_VALID_P (fncode)
5122 && builtin_info[uns_fncode].decl != NULL_TREE);
5124 builtin_info[uns_fncode].implicit_p = implicit_p;
5127 /* Set the declared flag for a builtin function. */
5130 set_builtin_decl_declared_p (enum built_in_function fncode, bool declared_p)
5132 size_t uns_fncode = (size_t)fncode;
5134 gcc_checking_assert (BUILTIN_VALID_P (fncode)
5135 && builtin_info[uns_fncode].decl != NULL_TREE);
5137 builtin_info[uns_fncode].declared_p = declared_p;
5140 /* Return whether the standard builtin function can be used as an explicit
5144 builtin_decl_explicit_p (enum built_in_function fncode)
5146 gcc_checking_assert (BUILTIN_VALID_P (fncode));
5147 return (builtin_info[(size_t)fncode].decl != NULL_TREE);
5150 /* Return whether the standard builtin function can be used implicitly. */
5153 builtin_decl_implicit_p (enum built_in_function fncode)
5155 size_t uns_fncode = (size_t)fncode;
5157 gcc_checking_assert (BUILTIN_VALID_P (fncode));
5158 return (builtin_info[uns_fncode].decl != NULL_TREE
5159 && builtin_info[uns_fncode].implicit_p);
5162 /* Return whether the standard builtin function was declared. */
5165 builtin_decl_declared_p (enum built_in_function fncode)
5167 size_t uns_fncode = (size_t)fncode;
5169 gcc_checking_assert (BUILTIN_VALID_P (fncode));
5170 return (builtin_info[uns_fncode].decl != NULL_TREE
5171 && builtin_info[uns_fncode].declared_p);
5174 /* Return true if T (assumed to be a DECL) is a global variable.
5175 A variable is considered global if its storage is not automatic. */
5178 is_global_var (const_tree t)
5180 return (TREE_STATIC (t) || DECL_EXTERNAL (t));
5183 /* Return true if VAR may be aliased. A variable is considered as
5184 maybe aliased if it has its address taken by the local TU
5185 or possibly by another TU and might be modified through a pointer. */
5188 may_be_aliased (const_tree var)
5190 return (TREE_CODE (var) != CONST_DECL
5191 && (TREE_PUBLIC (var)
5192 || DECL_EXTERNAL (var)
5193 || TREE_ADDRESSABLE (var))
5194 && !((TREE_STATIC (var) || TREE_PUBLIC (var) || DECL_EXTERNAL (var))
5195 && ((TREE_READONLY (var)
5196 && !TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (var)))
5197 || (TREE_CODE (var) == VAR_DECL
5198 && DECL_NONALIASED (var)))));
5201 /* Return pointer to optimization flags of FNDECL. */
5202 static inline struct cl_optimization *
5203 opts_for_fn (const_tree fndecl)
5205 tree fn_opts = DECL_FUNCTION_SPECIFIC_OPTIMIZATION (fndecl);
5206 if (fn_opts == NULL_TREE)
5207 fn_opts = optimization_default_node;
5208 return TREE_OPTIMIZATION (fn_opts);
5211 /* Return pointer to target flags of FNDECL. */
5212 static inline cl_target_option *
5213 target_opts_for_fn (const_tree fndecl)
5215 tree fn_opts = DECL_FUNCTION_SPECIFIC_TARGET (fndecl);
5216 if (fn_opts == NULL_TREE)
5217 fn_opts = target_option_default_node;
5218 return fn_opts == NULL_TREE ? NULL : TREE_TARGET_OPTION (fn_opts);
5221 /* opt flag for function FNDECL, e.g. opts_for_fn (fndecl, optimize) is
5222 the optimization level of function fndecl. */
5223 #define opt_for_fn(fndecl, opt) (opts_for_fn (fndecl)->x_##opt)
5225 /* For anonymous aggregate types, we need some sort of name to
5226 hold on to. In practice, this should not appear, but it should
5227 not be harmful if it does. */
5228 extern const char *anon_aggrname_format();
5229 extern bool anon_aggrname_p (const_tree);
5231 /* The tree and const_tree overload templates. */
5235 struct int_traits <const_tree>
5237 static const enum precision_type precision_type = VAR_PRECISION;
5238 static const bool host_dependent_precision = false;
5239 static const bool is_sign_extended = false;
5240 static unsigned int get_precision (const_tree);
5241 static wi::storage_ref decompose (HOST_WIDE_INT *, unsigned int,
5246 struct int_traits <tree> : public int_traits <const_tree> {};
5255 extended_tree (const_tree);
5257 unsigned int get_precision () const;
5258 const HOST_WIDE_INT *get_val () const;
5259 unsigned int get_len () const;
5263 struct int_traits <extended_tree <N> >
5265 static const enum precision_type precision_type = CONST_PRECISION;
5266 static const bool host_dependent_precision = false;
5267 static const bool is_sign_extended = true;
5268 static const unsigned int precision = N;
5271 generic_wide_int <extended_tree <WIDE_INT_MAX_PRECISION> >
5272 to_widest (const_tree);
5274 generic_wide_int <extended_tree <ADDR_MAX_PRECISION> > to_offset (const_tree);
5276 wide_int to_wide (const_tree, unsigned int);
5280 wi::int_traits <const_tree>::get_precision (const_tree tcst)
5282 return TYPE_PRECISION (TREE_TYPE (tcst));
5285 /* Convert the tree_cst X into a wide_int of PRECISION. */
5286 inline wi::storage_ref
5287 wi::int_traits <const_tree>::decompose (HOST_WIDE_INT *,
5288 unsigned int precision, const_tree x)
5290 return wi::storage_ref (&TREE_INT_CST_ELT (x, 0), TREE_INT_CST_NUNITS (x),
5294 inline generic_wide_int <wi::extended_tree <WIDE_INT_MAX_PRECISION> >
5295 wi::to_widest (const_tree t)
5300 inline generic_wide_int <wi::extended_tree <ADDR_MAX_PRECISION> >
5301 wi::to_offset (const_tree t)
5306 /* Convert INTEGER_CST T to a wide_int of precision PREC, extending or
5307 truncating as necessary. When extending, use sign extension if T's
5308 type is signed and zero extension if T's type is unsigned. */
5311 wi::to_wide (const_tree t, unsigned int prec)
5313 return wide_int::from (t, prec, TYPE_SIGN (TREE_TYPE (t)));
5317 inline wi::extended_tree <N>::extended_tree (const_tree t)
5320 gcc_checking_assert (TYPE_PRECISION (TREE_TYPE (t)) <= N);
5325 wi::extended_tree <N>::get_precision () const
5331 inline const HOST_WIDE_INT *
5332 wi::extended_tree <N>::get_val () const
5334 return &TREE_INT_CST_ELT (m_t, 0);
5339 wi::extended_tree <N>::get_len () const
5341 if (N == ADDR_MAX_PRECISION)
5342 return TREE_INT_CST_OFFSET_NUNITS (m_t);
5343 else if (N >= WIDE_INT_MAX_PRECISION)
5344 return TREE_INT_CST_EXT_NUNITS (m_t);
5346 /* This class is designed to be used for specific output precisions
5347 and needs to be as fast as possible, so there is no fallback for
5354 template <typename T>
5355 bool fits_to_boolean_p (const T &x, const_tree);
5357 template <typename T>
5358 bool fits_to_tree_p (const T &x, const_tree);
5360 wide_int min_value (const_tree);
5361 wide_int max_value (const_tree);
5362 wide_int from_mpz (const_tree, mpz_t, bool);
5365 template <typename T>
5367 wi::fits_to_boolean_p (const T &x, const_tree type)
5369 return eq_p (x, 0) || eq_p (x, TYPE_UNSIGNED (type) ? 1 : -1);
5372 template <typename T>
5374 wi::fits_to_tree_p (const T &x, const_tree type)
5376 /* Non-standard boolean types can have arbitrary precision but various
5377 transformations assume that they can only take values 0 and +/-1. */
5378 if (TREE_CODE (type) == BOOLEAN_TYPE)
5379 return fits_to_boolean_p (x, type);
5381 if (TYPE_UNSIGNED (type))
5382 return eq_p (x, zext (x, TYPE_PRECISION (type)));
5384 return eq_p (x, sext (x, TYPE_PRECISION (type)));
5387 /* Produce the smallest number that is represented in TYPE. The precision
5388 and sign are taken from TYPE. */
5390 wi::min_value (const_tree type)
5392 return min_value (TYPE_PRECISION (type), TYPE_SIGN (type));
5395 /* Produce the largest number that is represented in TYPE. The precision
5396 and sign are taken from TYPE. */
5398 wi::max_value (const_tree type)
5400 return max_value (TYPE_PRECISION (type), TYPE_SIGN (type));
5403 /* Return true if INTEGER_CST T1 is less than INTEGER_CST T2,
5404 extending both according to their respective TYPE_SIGNs. */
5407 tree_int_cst_lt (const_tree t1, const_tree t2)
5409 return wi::to_widest (t1) < wi::to_widest (t2);
5412 /* Return true if INTEGER_CST T1 is less than or equal to INTEGER_CST T2,
5413 extending both according to their respective TYPE_SIGNs. */
5416 tree_int_cst_le (const_tree t1, const_tree t2)
5418 return wi::to_widest (t1) <= wi::to_widest (t2);
5421 /* Returns -1 if T1 < T2, 0 if T1 == T2, and 1 if T1 > T2. T1 and T2
5422 are both INTEGER_CSTs and their values are extended according to their
5423 respective TYPE_SIGNs. */
5426 tree_int_cst_compare (const_tree t1, const_tree t2)
5428 return wi::cmps (wi::to_widest (t1), wi::to_widest (t2));
5431 /* FIXME - These declarations belong in builtins.h, expr.h and emit-rtl.h,
5432 but none of these files are allowed to be included from front ends.
5433 They should be split in two. One suitable for the FEs, the other suitable
5436 /* Assign the RTX to declaration. */
5437 extern void set_decl_rtl (tree, rtx);
5438 extern bool complete_ctor_at_level_p (const_tree, HOST_WIDE_INT, const_tree);
5440 /* Given an expression EXP that is a handled_component_p,
5441 look for the ultimate containing object, which is returned and specify
5442 the access position and size. */
5443 extern tree get_inner_reference (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
5444 tree *, machine_mode *, int *, int *, int *);
5446 extern tree build_personality_function (const char *);
5448 struct GTY(()) int_n_trees_t {
5449 /* These parts are initialized at runtime */
5454 /* This is also in machmode.h */
5455 extern bool int_n_enabled_p[NUM_INT_N_ENTS];
5456 extern GTY(()) struct int_n_trees_t int_n_trees[NUM_INT_N_ENTS];
5458 /* Like bit_position, but return as an integer. It must be representable in
5459 that way (since it could be a signed value, we don't have the
5460 option of returning -1 like int_size_in_byte can. */
5462 inline HOST_WIDE_INT
5463 int_bit_position (const_tree field)
5465 return ((wi::to_offset (DECL_FIELD_OFFSET (field)) << LOG2_BITS_PER_UNIT)
5466 + wi::to_offset (DECL_FIELD_BIT_OFFSET (field))).to_shwi ();
5469 /* Return true if it makes sense to consider alias set for a type T. */
5472 type_with_alias_set_p (const_tree t)
5474 /* Function and method types are never accessed as memory locations. */
5475 if (TREE_CODE (t) == FUNCTION_TYPE || TREE_CODE (t) == METHOD_TYPE)
5478 if (COMPLETE_TYPE_P (t))
5481 /* Incomplete types can not be accessed in general except for arrays
5482 where we can fetch its element despite we have no array bounds. */
5483 if (TREE_CODE (t) == ARRAY_TYPE && COMPLETE_TYPE_P (TREE_TYPE (t)))
5489 extern location_t set_block (location_t loc, tree block);
5491 extern void gt_ggc_mx (tree &);
5492 extern void gt_pch_nx (tree &);
5493 extern void gt_pch_nx (tree &, gt_pointer_operator, void *);
5495 extern bool nonnull_arg_p (const_tree);
5496 extern bool is_redundant_typedef (const_tree);
5499 set_source_range (tree expr, location_t start, location_t finish);
5502 set_source_range (tree expr, source_range src_range);
5504 static inline source_range
5505 get_decl_source_range (tree decl)
5507 location_t loc = DECL_SOURCE_LOCATION (decl);
5508 return get_range_from_loc (line_table, loc);
5511 /* Return true if it makes sense to promote/demote from_type to to_type. */
5513 desired_pro_or_demotion_p (const_tree to_type, const_tree from_type)
5515 unsigned int to_type_precision = TYPE_PRECISION (to_type);
5517 /* OK to promote if to_type is no bigger than word_mode. */
5518 if (to_type_precision <= GET_MODE_PRECISION (word_mode))
5521 /* Otherwise, allow only if narrowing or same precision conversions. */
5522 return to_type_precision <= TYPE_PRECISION (from_type);
5525 /* Pointer type used to declare builtins before we have seen its real
5527 struct builtin_structptr_type
5533 extern const builtin_structptr_type builtin_structptr_types[6];
5534 #endif /* GCC_TREE_H */