1 /* Definitions for the ubiquitous 'tree' type for GNU compilers.
2 Copyright (C) 1989-2013 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 /* These includes are required here because they provide declarations
26 used by inline functions in this file.
28 FIXME - Move these users elsewhere? */
29 #include "fold-const.h"
31 /* Macros for initializing `tree_contains_struct'. */
32 #define MARK_TS_BASE(C) \
34 tree_contains_struct[C][TS_BASE] = 1; \
37 #define MARK_TS_TYPED(C) \
40 tree_contains_struct[C][TS_TYPED] = 1; \
43 #define MARK_TS_COMMON(C) \
46 tree_contains_struct[C][TS_COMMON] = 1; \
49 #define MARK_TS_TYPE_COMMON(C) \
52 tree_contains_struct[C][TS_TYPE_COMMON] = 1; \
55 #define MARK_TS_TYPE_WITH_LANG_SPECIFIC(C) \
57 MARK_TS_TYPE_COMMON (C); \
58 tree_contains_struct[C][TS_TYPE_WITH_LANG_SPECIFIC] = 1; \
61 #define MARK_TS_DECL_MINIMAL(C) \
64 tree_contains_struct[C][TS_DECL_MINIMAL] = 1; \
67 #define MARK_TS_DECL_COMMON(C) \
69 MARK_TS_DECL_MINIMAL (C); \
70 tree_contains_struct[C][TS_DECL_COMMON] = 1; \
73 #define MARK_TS_DECL_WRTL(C) \
75 MARK_TS_DECL_COMMON (C); \
76 tree_contains_struct[C][TS_DECL_WRTL] = 1; \
79 #define MARK_TS_DECL_WITH_VIS(C) \
81 MARK_TS_DECL_WRTL (C); \
82 tree_contains_struct[C][TS_DECL_WITH_VIS] = 1; \
85 #define MARK_TS_DECL_NON_COMMON(C) \
87 MARK_TS_DECL_WITH_VIS (C); \
88 tree_contains_struct[C][TS_DECL_NON_COMMON] = 1; \
92 /* Returns the string representing CLASS. */
94 #define TREE_CODE_CLASS_STRING(CLASS)\
95 tree_code_class_strings[(int) (CLASS)]
97 #define TREE_CODE_CLASS(CODE) tree_code_type[(int) (CODE)]
99 /* Nonzero if NODE represents an exceptional code. */
101 #define EXCEPTIONAL_CLASS_P(NODE)\
102 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_exceptional)
104 /* Nonzero if NODE represents a constant. */
106 #define CONSTANT_CLASS_P(NODE)\
107 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_constant)
109 /* Nonzero if NODE represents a type. */
111 #define TYPE_P(NODE)\
112 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_type)
114 /* Nonzero if NODE represents a declaration. */
116 #define DECL_P(NODE)\
117 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_declaration)
119 /* True if NODE designates a variable declaration. */
120 #define VAR_P(NODE) \
121 (TREE_CODE (NODE) == VAR_DECL)
123 /* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL. */
125 #define VAR_OR_FUNCTION_DECL_P(DECL)\
126 (TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
128 /* Nonzero if NODE represents a INDIRECT_REF. Keep these checks in
129 ascending code order. */
131 #define INDIRECT_REF_P(NODE)\
132 (TREE_CODE (NODE) == INDIRECT_REF)
134 /* Nonzero if NODE represents a reference. */
136 #define REFERENCE_CLASS_P(NODE)\
137 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_reference)
139 /* Nonzero if NODE represents a comparison. */
141 #define COMPARISON_CLASS_P(NODE)\
142 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_comparison)
144 /* Nonzero if NODE represents a unary arithmetic expression. */
146 #define UNARY_CLASS_P(NODE)\
147 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_unary)
149 /* Nonzero if NODE represents a binary arithmetic expression. */
151 #define BINARY_CLASS_P(NODE)\
152 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_binary)
154 /* Nonzero if NODE represents a statement expression. */
156 #define STATEMENT_CLASS_P(NODE)\
157 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_statement)
159 /* Nonzero if NODE represents a function call-like expression with a
160 variable-length operand vector. */
162 #define VL_EXP_CLASS_P(NODE)\
163 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_vl_exp)
165 /* Nonzero if NODE represents any other expression. */
167 #define EXPRESSION_CLASS_P(NODE)\
168 (TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_expression)
170 /* Returns nonzero iff NODE represents a type or declaration. */
172 #define IS_TYPE_OR_DECL_P(NODE)\
173 (TYPE_P (NODE) || DECL_P (NODE))
175 /* Returns nonzero iff CLASS is the tree-code class of an
178 #define IS_EXPR_CODE_CLASS(CLASS)\
179 ((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
181 /* Returns nonzero iff NODE is an expression of some kind. */
183 #define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
185 #define TREE_CODE_LENGTH(CODE) tree_code_length[(int) (CODE)]
188 /* Helper macros for math builtins. */
190 #define BUILTIN_EXP10_P(FN) \
191 ((FN) == BUILT_IN_EXP10 || (FN) == BUILT_IN_EXP10F || (FN) == BUILT_IN_EXP10L \
192 || (FN) == BUILT_IN_POW10 || (FN) == BUILT_IN_POW10F || (FN) == BUILT_IN_POW10L)
194 #define BUILTIN_EXPONENT_P(FN) (BUILTIN_EXP10_P (FN) \
195 || (FN) == BUILT_IN_EXP || (FN) == BUILT_IN_EXPF || (FN) == BUILT_IN_EXPL \
196 || (FN) == BUILT_IN_EXP2 || (FN) == BUILT_IN_EXP2F || (FN) == BUILT_IN_EXP2L)
198 #define BUILTIN_SQRT_P(FN) \
199 ((FN) == BUILT_IN_SQRT || (FN) == BUILT_IN_SQRTF || (FN) == BUILT_IN_SQRTL)
201 #define BUILTIN_CBRT_P(FN) \
202 ((FN) == BUILT_IN_CBRT || (FN) == BUILT_IN_CBRTF || (FN) == BUILT_IN_CBRTL)
204 #define BUILTIN_ROOT_P(FN) (BUILTIN_SQRT_P (FN) || BUILTIN_CBRT_P (FN))
206 #define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L
207 #define CASE_FLT_FN_REENT(FN) case FN##_R: case FN##F_R: case FN##L_R
208 #define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL: case FN##IMAX
210 /* Define accessors for the fields that all tree nodes have
211 (though some fields are not used for all kinds of nodes). */
213 /* The tree-code says what kind of node it is.
214 Codes are defined in tree.def. */
215 #define TREE_CODE(NODE) ((enum tree_code) (NODE)->base.code)
216 #define TREE_SET_CODE(NODE, VALUE) ((NODE)->base.code = (VALUE))
218 /* When checking is enabled, errors will be generated if a tree node
219 is accessed incorrectly. The macros die with a fatal error. */
220 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
222 #define TREE_CHECK(T, CODE) \
223 (tree_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
225 #define TREE_NOT_CHECK(T, CODE) \
226 (tree_not_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
228 #define TREE_CHECK2(T, CODE1, CODE2) \
229 (tree_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
231 #define TREE_NOT_CHECK2(T, CODE1, CODE2) \
232 (tree_not_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
234 #define TREE_CHECK3(T, CODE1, CODE2, CODE3) \
235 (tree_check3 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2), (CODE3)))
237 #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) \
238 (tree_not_check3 ((T), __FILE__, __LINE__, __FUNCTION__, \
239 (CODE1), (CODE2), (CODE3)))
241 #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
242 (tree_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
243 (CODE1), (CODE2), (CODE3), (CODE4)))
245 #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
246 (tree_not_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
247 (CODE1), (CODE2), (CODE3), (CODE4)))
249 #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
250 (tree_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
251 (CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
253 #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
254 (tree_not_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
255 (CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
257 #define CONTAINS_STRUCT_CHECK(T, STRUCT) \
258 (contains_struct_check ((T), (STRUCT), __FILE__, __LINE__, __FUNCTION__))
260 #define TREE_CLASS_CHECK(T, CLASS) \
261 (tree_class_check ((T), (CLASS), __FILE__, __LINE__, __FUNCTION__))
263 #define TREE_RANGE_CHECK(T, CODE1, CODE2) \
264 (tree_range_check ((T), (CODE1), (CODE2), __FILE__, __LINE__, __FUNCTION__))
266 #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) \
267 (omp_clause_subcode_check ((T), (CODE), __FILE__, __LINE__, __FUNCTION__))
269 #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) \
270 (omp_clause_range_check ((T), (CODE1), (CODE2), \
271 __FILE__, __LINE__, __FUNCTION__))
273 /* These checks have to be special cased. */
274 #define EXPR_CHECK(T) \
275 (expr_check ((T), __FILE__, __LINE__, __FUNCTION__))
277 /* These checks have to be special cased. */
278 #define NON_TYPE_CHECK(T) \
279 (non_type_check ((T), __FILE__, __LINE__, __FUNCTION__))
281 #define TREE_VEC_ELT_CHECK(T, I) \
282 (*(CONST_CAST2 (tree *, typeof (T)*, \
283 tree_vec_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
285 #define OMP_CLAUSE_ELT_CHECK(T, I) \
286 (*(omp_clause_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__)))
288 /* Special checks for TREE_OPERANDs. */
289 #define TREE_OPERAND_CHECK(T, I) \
290 (*(CONST_CAST2 (tree*, typeof (T)*, \
291 tree_operand_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
293 #define TREE_OPERAND_CHECK_CODE(T, CODE, I) \
294 (*(tree_operand_check_code ((T), (CODE), (I), \
295 __FILE__, __LINE__, __FUNCTION__)))
297 /* Nodes are chained together for many purposes.
298 Types are chained together to record them for being output to the debugger
299 (see the function `chain_type').
300 Decls in the same scope are chained together to record the contents
302 Statement nodes for successive statements used to be chained together.
303 Often lists of things are represented by TREE_LIST nodes that
304 are chained together. */
306 #define TREE_CHAIN(NODE) \
307 (CONTAINS_STRUCT_CHECK (NODE, TS_COMMON)->common.chain)
309 /* In all nodes that are expressions, this is the data type of the expression.
310 In POINTER_TYPE nodes, this is the type that the pointer points to.
311 In ARRAY_TYPE nodes, this is the type of the elements.
312 In VECTOR_TYPE nodes, this is the type of the elements. */
313 #define TREE_TYPE(NODE) \
314 (CONTAINS_STRUCT_CHECK (NODE, TS_TYPED)->typed.type)
316 extern void tree_contains_struct_check_failed (const_tree
,
317 const enum tree_node_structure_enum
,
318 const char *, int, const char *)
321 extern void tree_check_failed (const_tree
, const char *, int, const char *,
322 ...) ATTRIBUTE_NORETURN
;
323 extern void tree_not_check_failed (const_tree
, const char *, int, const char *,
324 ...) ATTRIBUTE_NORETURN
;
325 extern void tree_class_check_failed (const_tree
, const enum tree_code_class
,
326 const char *, int, const char *)
328 extern void tree_range_check_failed (const_tree
, const char *, int,
329 const char *, enum tree_code
,
332 extern void tree_not_class_check_failed (const_tree
,
333 const enum tree_code_class
,
334 const char *, int, const char *)
336 extern void tree_vec_elt_check_failed (int, int, const char *,
339 extern void phi_node_elt_check_failed (int, int, const char *,
342 extern void tree_operand_check_failed (int, const_tree
,
343 const char *, int, const char *)
345 extern void omp_clause_check_failed (const_tree
, const char *, int,
346 const char *, enum omp_clause_code
)
348 extern void omp_clause_operand_check_failed (int, const_tree
, const char *,
351 extern void omp_clause_range_check_failed (const_tree
, const char *, int,
352 const char *, enum omp_clause_code
,
353 enum omp_clause_code
)
356 #else /* not ENABLE_TREE_CHECKING, or not gcc */
358 #define CONTAINS_STRUCT_CHECK(T, ENUM) (T)
359 #define TREE_CHECK(T, CODE) (T)
360 #define TREE_NOT_CHECK(T, CODE) (T)
361 #define TREE_CHECK2(T, CODE1, CODE2) (T)
362 #define TREE_NOT_CHECK2(T, CODE1, CODE2) (T)
363 #define TREE_CHECK3(T, CODE1, CODE2, CODE3) (T)
364 #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) (T)
365 #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
366 #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
367 #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
368 #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
369 #define TREE_CLASS_CHECK(T, CODE) (T)
370 #define TREE_RANGE_CHECK(T, CODE1, CODE2) (T)
371 #define EXPR_CHECK(T) (T)
372 #define NON_TYPE_CHECK(T) (T)
373 #define TREE_VEC_ELT_CHECK(T, I) ((T)->vec.a[I])
374 #define TREE_OPERAND_CHECK(T, I) ((T)->exp.operands[I])
375 #define TREE_OPERAND_CHECK_CODE(T, CODE, I) ((T)->exp.operands[I])
376 #define OMP_CLAUSE_ELT_CHECK(T, i) ((T)->omp_clause.ops[i])
377 #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) (T)
378 #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) (T)
380 #define TREE_CHAIN(NODE) ((NODE)->common.chain)
381 #define TREE_TYPE(NODE) ((NODE)->typed.type)
385 #define TREE_BLOCK(NODE) (tree_block (NODE))
386 #define TREE_SET_BLOCK(T, B) (tree_set_block ((T), (B)))
388 #include "tree-check.h"
390 #define TYPE_CHECK(T) TREE_CLASS_CHECK (T, tcc_type)
391 #define DECL_MINIMAL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_MINIMAL)
392 #define DECL_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_COMMON)
393 #define DECL_WRTL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WRTL)
394 #define DECL_WITH_VIS_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WITH_VIS)
395 #define DECL_NON_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_NON_COMMON)
396 #define CST_CHECK(T) TREE_CLASS_CHECK (T, tcc_constant)
397 #define STMT_CHECK(T) TREE_CLASS_CHECK (T, tcc_statement)
398 #define VL_EXP_CHECK(T) TREE_CLASS_CHECK (T, tcc_vl_exp)
399 #define FUNC_OR_METHOD_CHECK(T) TREE_CHECK2 (T, FUNCTION_TYPE, METHOD_TYPE)
400 #define PTR_OR_REF_CHECK(T) TREE_CHECK2 (T, POINTER_TYPE, REFERENCE_TYPE)
402 #define RECORD_OR_UNION_CHECK(T) \
403 TREE_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
404 #define NOT_RECORD_OR_UNION_CHECK(T) \
405 TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
407 #define NUMERICAL_TYPE_CHECK(T) \
408 TREE_CHECK5 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE, \
411 /* Here is how primitive or already-canonicalized types' hash codes
413 #define TYPE_HASH(TYPE) (TYPE_UID (TYPE))
415 /* A simple hash function for an arbitrary tree node. This must not be
416 used in hash tables which are saved to a PCH. */
417 #define TREE_HASH(NODE) ((size_t) (NODE) & 0777777)
419 /* Tests if CODE is a conversion expr (NOP_EXPR or CONVERT_EXPR). */
420 #define CONVERT_EXPR_CODE_P(CODE) \
421 ((CODE) == NOP_EXPR || (CODE) == CONVERT_EXPR)
423 /* Similarly, but accept an expressions instead of a tree code. */
424 #define CONVERT_EXPR_P(EXP) CONVERT_EXPR_CODE_P (TREE_CODE (EXP))
426 /* Generate case for NOP_EXPR, CONVERT_EXPR. */
428 #define CASE_CONVERT \
432 /* Given an expression as a tree, strip any conversion that generates
433 no instruction. Accepts both tree and const_tree arguments since
434 we are not modifying the tree itself. */
436 #define STRIP_NOPS(EXP) \
437 (EXP) = tree_strip_nop_conversions (CONST_CAST_TREE (EXP))
439 /* Like STRIP_NOPS, but don't let the signedness change either. */
441 #define STRIP_SIGN_NOPS(EXP) \
442 (EXP) = tree_strip_sign_nop_conversions (CONST_CAST_TREE (EXP))
444 /* Like STRIP_NOPS, but don't alter the TREE_TYPE either. */
446 #define STRIP_TYPE_NOPS(EXP) \
447 while ((CONVERT_EXPR_P (EXP) \
448 || TREE_CODE (EXP) == NON_LVALUE_EXPR) \
449 && TREE_OPERAND (EXP, 0) != error_mark_node \
450 && (TREE_TYPE (EXP) \
451 == TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
452 (EXP) = TREE_OPERAND (EXP, 0)
454 /* Remove unnecessary type conversions according to
455 tree_ssa_useless_type_conversion. */
457 #define STRIP_USELESS_TYPE_CONVERSION(EXP) \
458 (EXP) = tree_ssa_strip_useless_type_conversions (EXP)
460 /* Nonzero if TYPE represents a vector type. */
462 #define VECTOR_TYPE_P(TYPE) (TREE_CODE (TYPE) == VECTOR_TYPE)
464 /* Nonzero if TYPE represents an integral type. Note that we do not
465 include COMPLEX types here. Keep these checks in ascending code
468 #define INTEGRAL_TYPE_P(TYPE) \
469 (TREE_CODE (TYPE) == ENUMERAL_TYPE \
470 || TREE_CODE (TYPE) == BOOLEAN_TYPE \
471 || TREE_CODE (TYPE) == INTEGER_TYPE)
473 /* Nonzero if TYPE represents a non-saturating fixed-point type. */
475 #define NON_SAT_FIXED_POINT_TYPE_P(TYPE) \
476 (TREE_CODE (TYPE) == FIXED_POINT_TYPE && !TYPE_SATURATING (TYPE))
478 /* Nonzero if TYPE represents a saturating fixed-point type. */
480 #define SAT_FIXED_POINT_TYPE_P(TYPE) \
481 (TREE_CODE (TYPE) == FIXED_POINT_TYPE && TYPE_SATURATING (TYPE))
483 /* Nonzero if TYPE represents a fixed-point type. */
485 #define FIXED_POINT_TYPE_P(TYPE) (TREE_CODE (TYPE) == FIXED_POINT_TYPE)
487 /* Nonzero if TYPE represents a scalar floating-point type. */
489 #define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
491 /* Nonzero if TYPE represents a complex floating-point type. */
493 #define COMPLEX_FLOAT_TYPE_P(TYPE) \
494 (TREE_CODE (TYPE) == COMPLEX_TYPE \
495 && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
497 /* Nonzero if TYPE represents a vector integer type. */
499 #define VECTOR_INTEGER_TYPE_P(TYPE) \
500 (VECTOR_TYPE_P (TYPE) \
501 && TREE_CODE (TREE_TYPE (TYPE)) == INTEGER_TYPE)
504 /* Nonzero if TYPE represents a vector floating-point type. */
506 #define VECTOR_FLOAT_TYPE_P(TYPE) \
507 (VECTOR_TYPE_P (TYPE) \
508 && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
510 /* Nonzero if TYPE represents a floating-point type, including complex
511 and vector floating-point types. The vector and complex check does
512 not use the previous two macros to enable early folding. */
514 #define FLOAT_TYPE_P(TYPE) \
515 (SCALAR_FLOAT_TYPE_P (TYPE) \
516 || ((TREE_CODE (TYPE) == COMPLEX_TYPE \
517 || VECTOR_TYPE_P (TYPE)) \
518 && SCALAR_FLOAT_TYPE_P (TREE_TYPE (TYPE))))
520 /* Nonzero if TYPE represents a decimal floating-point type. */
521 #define DECIMAL_FLOAT_TYPE_P(TYPE) \
522 (SCALAR_FLOAT_TYPE_P (TYPE) \
523 && DECIMAL_FLOAT_MODE_P (TYPE_MODE (TYPE)))
525 /* Nonzero if TYPE is a record or union type. */
526 #define RECORD_OR_UNION_TYPE_P(TYPE) \
527 (TREE_CODE (TYPE) == RECORD_TYPE \
528 || TREE_CODE (TYPE) == UNION_TYPE \
529 || TREE_CODE (TYPE) == QUAL_UNION_TYPE)
531 /* Nonzero if TYPE represents an aggregate (multi-component) type.
532 Keep these checks in ascending code order. */
534 #define AGGREGATE_TYPE_P(TYPE) \
535 (TREE_CODE (TYPE) == ARRAY_TYPE || RECORD_OR_UNION_TYPE_P (TYPE))
537 /* Nonzero if TYPE represents a pointer or reference type.
538 (It should be renamed to INDIRECT_TYPE_P.) Keep these checks in
539 ascending code order. */
541 #define POINTER_TYPE_P(TYPE) \
542 (TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
544 /* Nonzero if TYPE represents a pointer to function. */
545 #define FUNCTION_POINTER_TYPE_P(TYPE) \
546 (POINTER_TYPE_P (TYPE) && TREE_CODE (TREE_TYPE (TYPE)) == FUNCTION_TYPE)
548 /* Nonzero if this type is a complete type. */
549 #define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
551 /* Nonzero if this type is a pointer bounds type. */
552 #define POINTER_BOUNDS_TYPE_P(NODE) \
553 (TREE_CODE (NODE) == POINTER_BOUNDS_TYPE)
555 /* Nonzero if this node has a pointer bounds type. */
556 #define POINTER_BOUNDS_P(NODE) \
557 (POINTER_BOUNDS_TYPE_P (TREE_TYPE (NODE)))
559 /* Nonzero if this type supposes bounds existence. */
560 #define BOUNDED_TYPE_P(type) (POINTER_TYPE_P (type))
562 /* Nonzero for objects with bounded type. */
563 #define BOUNDED_P(node) \
564 BOUNDED_TYPE_P (TREE_TYPE (node))
566 /* Nonzero if this type is the (possibly qualified) void type. */
567 #define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE)
569 /* Nonzero if this type is complete or is cv void. */
570 #define COMPLETE_OR_VOID_TYPE_P(NODE) \
571 (COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE))
573 /* Nonzero if this type is complete or is an array with unspecified bound. */
574 #define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
575 (COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
577 /* Define many boolean fields that all tree nodes have. */
579 /* In VAR_DECL, PARM_DECL and RESULT_DECL nodes, nonzero means address
580 of this is needed. So it cannot be in a register.
581 In a FUNCTION_DECL it has no meaning.
582 In LABEL_DECL nodes, it means a goto for this label has been seen
583 from a place outside all binding contours that restore stack levels.
584 In an artificial SSA_NAME that points to a stack partition with at least
585 two variables, it means that at least one variable has TREE_ADDRESSABLE.
586 In ..._TYPE nodes, it means that objects of this type must be fully
587 addressable. This means that pieces of this object cannot go into
588 register parameters, for example. If this a function type, this
589 means that the value must be returned in memory.
590 In CONSTRUCTOR nodes, it means object constructed must be in memory.
591 In IDENTIFIER_NODEs, this means that some extern decl for this name
592 had its address taken. That matters for inline functions.
593 In a STMT_EXPR, it means we want the result of the enclosed expression. */
594 #define TREE_ADDRESSABLE(NODE) ((NODE)->base.addressable_flag)
596 /* Set on a CALL_EXPR if the call is in a tail position, ie. just before the
597 exit of a function. Calls for which this is true are candidates for tail
598 call optimizations. */
599 #define CALL_EXPR_TAILCALL(NODE) \
600 (CALL_EXPR_CHECK (NODE)->base.addressable_flag)
602 /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
603 CASE_LOW operand has been processed. */
604 #define CASE_LOW_SEEN(NODE) \
605 (CASE_LABEL_EXPR_CHECK (NODE)->base.addressable_flag)
607 #define PREDICT_EXPR_OUTCOME(NODE) \
608 ((enum prediction) (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag))
609 #define SET_PREDICT_EXPR_OUTCOME(NODE, OUTCOME) \
610 (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag = (int) OUTCOME)
611 #define PREDICT_EXPR_PREDICTOR(NODE) \
612 ((enum br_predictor)tree_to_shwi (TREE_OPERAND (PREDICT_EXPR_CHECK (NODE), 0)))
614 /* In a VAR_DECL, nonzero means allocate static storage.
615 In a FUNCTION_DECL, nonzero if function has been defined.
616 In a CONSTRUCTOR, nonzero means allocate static storage. */
617 #define TREE_STATIC(NODE) ((NODE)->base.static_flag)
619 /* In an ADDR_EXPR, nonzero means do not use a trampoline. */
620 #define TREE_NO_TRAMPOLINE(NODE) (ADDR_EXPR_CHECK (NODE)->base.static_flag)
622 /* In a TARGET_EXPR or WITH_CLEANUP_EXPR, means that the pertinent cleanup
623 should only be executed if an exception is thrown, not on normal exit
625 #define CLEANUP_EH_ONLY(NODE) ((NODE)->base.static_flag)
627 /* In a TRY_CATCH_EXPR, means that the handler should be considered a
628 separate cleanup in honor_protect_cleanup_actions. */
629 #define TRY_CATCH_IS_CLEANUP(NODE) \
630 (TRY_CATCH_EXPR_CHECK (NODE)->base.static_flag)
632 /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
633 CASE_HIGH operand has been processed. */
634 #define CASE_HIGH_SEEN(NODE) \
635 (CASE_LABEL_EXPR_CHECK (NODE)->base.static_flag)
637 /* Used to mark scoped enums. */
638 #define ENUM_IS_SCOPED(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.static_flag)
640 /* Determines whether an ENUMERAL_TYPE has defined the list of constants. */
641 #define ENUM_IS_OPAQUE(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.private_flag)
643 /* In an expr node (usually a conversion) this means the node was made
644 implicitly and should not lead to any sort of warning. In a decl node,
645 warnings concerning the decl should be suppressed. This is used at
646 least for used-before-set warnings, and it set after one warning is
648 #define TREE_NO_WARNING(NODE) ((NODE)->base.nowarning_flag)
650 /* Used to indicate that this TYPE represents a compiler-generated entity. */
651 #define TYPE_ARTIFICIAL(NODE) (TYPE_CHECK (NODE)->base.nowarning_flag)
653 /* In an IDENTIFIER_NODE, this means that assemble_name was called with
654 this string as an argument. */
655 #define TREE_SYMBOL_REFERENCED(NODE) \
656 (IDENTIFIER_NODE_CHECK (NODE)->base.static_flag)
658 /* Nonzero in a pointer or reference type means the data pointed to
659 by this type can alias anything. */
660 #define TYPE_REF_CAN_ALIAS_ALL(NODE) \
661 (PTR_OR_REF_CHECK (NODE)->base.static_flag)
663 /* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means
664 there was an overflow in folding. */
666 #define TREE_OVERFLOW(NODE) (CST_CHECK (NODE)->base.public_flag)
668 /* TREE_OVERFLOW can only be true for EXPR of CONSTANT_CLASS_P. */
670 #define TREE_OVERFLOW_P(EXPR) \
671 (CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
673 /* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_DECL,
674 nonzero means name is to be accessible from outside this translation unit.
675 In an IDENTIFIER_NODE, nonzero means an external declaration
676 accessible from outside this translation unit was previously seen
677 for this name in an inner scope. */
678 #define TREE_PUBLIC(NODE) ((NODE)->base.public_flag)
680 /* In a _TYPE, indicates whether TYPE_CACHED_VALUES contains a vector
681 of cached values, or is something else. */
682 #define TYPE_CACHED_VALUES_P(NODE) (TYPE_CHECK (NODE)->base.public_flag)
684 /* In a SAVE_EXPR, indicates that the original expression has already
685 been substituted with a VAR_DECL that contains the value. */
686 #define SAVE_EXPR_RESOLVED_P(NODE) \
687 (SAVE_EXPR_CHECK (NODE)->base.public_flag)
689 /* Set on a CALL_EXPR if this stdarg call should be passed the argument
691 #define CALL_EXPR_VA_ARG_PACK(NODE) \
692 (CALL_EXPR_CHECK (NODE)->base.public_flag)
694 /* In any expression, decl, or constant, nonzero means it has side effects or
695 reevaluation of the whole expression could produce a different value.
696 This is set if any subexpression is a function call, a side effect or a
697 reference to a volatile variable. In a ..._DECL, this is set only if the
698 declaration said `volatile'. This will never be set for a constant. */
699 #define TREE_SIDE_EFFECTS(NODE) \
700 (NON_TYPE_CHECK (NODE)->base.side_effects_flag)
702 /* In a LABEL_DECL, nonzero means this label had its address taken
703 and therefore can never be deleted and is a jump target for
705 #define FORCED_LABEL(NODE) (LABEL_DECL_CHECK (NODE)->base.side_effects_flag)
707 /* Nonzero means this expression is volatile in the C sense:
708 its address should be of type `volatile WHATEVER *'.
709 In other words, the declared item is volatile qualified.
710 This is used in _DECL nodes and _REF nodes.
711 On a FUNCTION_DECL node, this means the function does not
712 return normally. This is the same effect as setting
713 the attribute noreturn on the function in C.
715 In a ..._TYPE node, means this type is volatile-qualified.
716 But use TYPE_VOLATILE instead of this macro when the node is a type,
717 because eventually we may make that a different bit.
719 If this bit is set in an expression, so is TREE_SIDE_EFFECTS. */
720 #define TREE_THIS_VOLATILE(NODE) ((NODE)->base.volatile_flag)
722 /* Nonzero means this node will not trap. In an INDIRECT_REF, means
723 accessing the memory pointed to won't generate a trap. However,
724 this only applies to an object when used appropriately: it doesn't
725 mean that writing a READONLY mem won't trap.
727 In ARRAY_REF and ARRAY_RANGE_REF means that we know that the index
728 (or slice of the array) always belongs to the range of the array.
729 I.e. that the access will not trap, provided that the access to
730 the base to the array will not trap. */
731 #define TREE_THIS_NOTRAP(NODE) \
732 (TREE_CHECK5 (NODE, INDIRECT_REF, MEM_REF, TARGET_MEM_REF, ARRAY_REF, \
733 ARRAY_RANGE_REF)->base.nothrow_flag)
735 /* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
736 nonzero means it may not be the lhs of an assignment.
737 Nonzero in a FUNCTION_DECL means this function should be treated
738 as "const" function (can only read its arguments). */
739 #define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->base.readonly_flag)
741 /* Value of expression is constant. Always on in all ..._CST nodes. May
742 also appear in an expression or decl where the value is constant. */
743 #define TREE_CONSTANT(NODE) (NON_TYPE_CHECK (NODE)->base.constant_flag)
745 /* Nonzero if NODE, a type, has had its sizes gimplified. */
746 #define TYPE_SIZES_GIMPLIFIED(NODE) \
747 (TYPE_CHECK (NODE)->base.constant_flag)
749 /* In a decl (most significantly a FIELD_DECL), means an unsigned field. */
750 #define DECL_UNSIGNED(NODE) \
751 (DECL_COMMON_CHECK (NODE)->base.u.bits.unsigned_flag)
753 /* In integral and pointer types, means an unsigned type. */
754 #define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->base.u.bits.unsigned_flag)
756 /* True if overflow wraps around for the given integral type. That
757 is, TYPE_MAX + 1 == TYPE_MIN. */
758 #define TYPE_OVERFLOW_WRAPS(TYPE) \
759 (TYPE_UNSIGNED (TYPE) || flag_wrapv)
761 /* True if overflow is undefined for the given integral type. We may
762 optimize on the assumption that values in the type never overflow.
764 IMPORTANT NOTE: Any optimization based on TYPE_OVERFLOW_UNDEFINED
765 must issue a warning based on warn_strict_overflow. In some cases
766 it will be appropriate to issue the warning immediately, and in
767 other cases it will be appropriate to simply set a flag and let the
768 caller decide whether a warning is appropriate or not. */
769 #define TYPE_OVERFLOW_UNDEFINED(TYPE) \
770 (!TYPE_UNSIGNED (TYPE) && !flag_wrapv && !flag_trapv && flag_strict_overflow)
772 /* True if overflow for the given integral type should issue a
774 #define TYPE_OVERFLOW_TRAPS(TYPE) \
775 (!TYPE_UNSIGNED (TYPE) && flag_trapv)
777 /* True if pointer types have undefined overflow. */
778 #define POINTER_TYPE_OVERFLOW_UNDEFINED (flag_strict_overflow)
780 /* Nonzero in a VAR_DECL or STRING_CST means assembler code has been written.
781 Nonzero in a FUNCTION_DECL means that the function has been compiled.
782 This is interesting in an inline function, since it might not need
783 to be compiled separately.
784 Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ENUMERAL_TYPE
785 or TYPE_DECL if the debugging info for the type has been written.
786 In a BLOCK node, nonzero if reorder_blocks has already seen this block.
787 In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
789 #define TREE_ASM_WRITTEN(NODE) ((NODE)->base.asm_written_flag)
791 /* Nonzero in a _DECL if the name is used in its scope.
792 Nonzero in an expr node means inhibit warning if value is unused.
793 In IDENTIFIER_NODEs, this means that some extern decl for this name
795 In a BLOCK, this means that the block contains variables that are used. */
796 #define TREE_USED(NODE) ((NODE)->base.used_flag)
798 /* In a FUNCTION_DECL, nonzero means a call to the function cannot
799 throw an exception. In a CALL_EXPR, nonzero means the call cannot
800 throw. We can't easily check the node type here as the C++
801 frontend also uses this flag (for AGGR_INIT_EXPR). */
802 #define TREE_NOTHROW(NODE) ((NODE)->base.nothrow_flag)
804 /* In a CALL_EXPR, means that it's safe to use the target of the call
805 expansion as the return slot for a call that returns in memory. */
806 #define CALL_EXPR_RETURN_SLOT_OPT(NODE) \
807 (CALL_EXPR_CHECK (NODE)->base.private_flag)
809 /* Cilk keywords accessors. */
810 #define CILK_SPAWN_FN(NODE) TREE_OPERAND (CILK_SPAWN_STMT_CHECK (NODE), 0)
812 /* In a RESULT_DECL, PARM_DECL and VAR_DECL, means that it is
813 passed by invisible reference (and the TREE_TYPE is a pointer to the true
815 #define DECL_BY_REFERENCE(NODE) \
816 (TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, \
817 RESULT_DECL)->decl_common.decl_by_reference_flag)
819 /* In VAR_DECL and PARM_DECL, set when the decl has been used except for
821 #define DECL_READ_P(NODE) \
822 (TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_read_flag)
824 /* In VAR_DECL or RESULT_DECL, set when significant code movement precludes
825 attempting to share the stack slot with some other variable. */
826 #define DECL_NONSHAREABLE(NODE) \
827 (TREE_CHECK2 (NODE, VAR_DECL, \
828 RESULT_DECL)->decl_common.decl_nonshareable_flag)
830 /* In a CALL_EXPR, means that the call is the jump from a thunk to the
831 thunked-to function. */
832 #define CALL_FROM_THUNK_P(NODE) (CALL_EXPR_CHECK (NODE)->base.protected_flag)
834 /* In a CALL_EXPR, if the function being called is BUILT_IN_ALLOCA, means that
835 it has been built for the declaration of a variable-sized object. */
836 #define CALL_ALLOCA_FOR_VAR_P(NODE) \
837 (CALL_EXPR_CHECK (NODE)->base.protected_flag)
839 /* In a CALL_EXPR, means call was instrumented by Pointer Bounds Checker. */
840 #define CALL_WITH_BOUNDS_P(NODE) (CALL_EXPR_CHECK (NODE)->base.deprecated_flag)
842 /* In a type, nonzero means that all objects of the type are guaranteed by the
843 language or front-end to be properly aligned, so we can indicate that a MEM
844 of this type is aligned at least to the alignment of the type, even if it
845 doesn't appear that it is. We see this, for example, in object-oriented
846 languages where a tag field may show this is an object of a more-aligned
847 variant of the more generic type.
849 In an SSA_NAME node, nonzero if the SSA_NAME node is on the SSA_NAME
851 #define TYPE_ALIGN_OK(NODE) (TYPE_CHECK (NODE)->base.nothrow_flag)
853 /* Used in classes in C++. */
854 #define TREE_PRIVATE(NODE) ((NODE)->base.private_flag)
855 /* Used in classes in C++. */
856 #define TREE_PROTECTED(NODE) ((NODE)->base.protected_flag)
858 /* True if reference type NODE is a C++ rvalue reference. */
859 #define TYPE_REF_IS_RVALUE(NODE) \
860 (REFERENCE_TYPE_CHECK (NODE)->base.private_flag)
862 /* Nonzero in a _DECL if the use of the name is defined as a
863 deprecated feature by __attribute__((deprecated)). */
864 #define TREE_DEPRECATED(NODE) \
865 ((NODE)->base.deprecated_flag)
867 /* Nonzero in an IDENTIFIER_NODE if the name is a local alias, whose
868 uses are to be substituted for uses of the TREE_CHAINed identifier. */
869 #define IDENTIFIER_TRANSPARENT_ALIAS(NODE) \
870 (IDENTIFIER_NODE_CHECK (NODE)->base.deprecated_flag)
872 /* In fixed-point types, means a saturating type. */
873 #define TYPE_SATURATING(NODE) (TYPE_CHECK (NODE)->base.u.bits.saturating_flag)
875 /* These flags are available for each language front end to use internally. */
876 #define TREE_LANG_FLAG_0(NODE) \
877 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_0)
878 #define TREE_LANG_FLAG_1(NODE) \
879 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_1)
880 #define TREE_LANG_FLAG_2(NODE) \
881 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_2)
882 #define TREE_LANG_FLAG_3(NODE) \
883 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_3)
884 #define TREE_LANG_FLAG_4(NODE) \
885 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_4)
886 #define TREE_LANG_FLAG_5(NODE) \
887 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_5)
888 #define TREE_LANG_FLAG_6(NODE) \
889 (TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_6)
891 /* Define additional fields and accessors for nodes representing constants. */
893 /* In an INTEGER_CST node. These two together make a 2-word integer.
894 If the data type is signed, the value is sign-extended to 2 words
895 even though not all of them may really be in use.
896 In an unsigned constant shorter than 2 words, the extra bits are 0. */
897 #define TREE_INT_CST(NODE) (INTEGER_CST_CHECK (NODE)->int_cst.int_cst)
898 #define TREE_INT_CST_LOW(NODE) (TREE_INT_CST (NODE).low)
899 #define TREE_INT_CST_HIGH(NODE) (TREE_INT_CST (NODE).high)
901 #define INT_CST_LT(A, B) \
902 (TREE_INT_CST_HIGH (A) < TREE_INT_CST_HIGH (B) \
903 || (TREE_INT_CST_HIGH (A) == TREE_INT_CST_HIGH (B) \
904 && TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
906 #define INT_CST_LT_UNSIGNED(A, B) \
907 (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
908 < (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
909 || (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
910 == (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
911 && TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
913 #define TREE_REAL_CST_PTR(NODE) (REAL_CST_CHECK (NODE)->real_cst.real_cst_ptr)
914 #define TREE_REAL_CST(NODE) (*TREE_REAL_CST_PTR (NODE))
916 #define TREE_FIXED_CST_PTR(NODE) \
917 (FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
918 #define TREE_FIXED_CST(NODE) (*TREE_FIXED_CST_PTR (NODE))
920 /* In a STRING_CST */
921 /* In C terms, this is sizeof, not strlen. */
922 #define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
923 #define TREE_STRING_POINTER(NODE) \
924 ((const char *)(STRING_CST_CHECK (NODE)->string.str))
926 /* In a COMPLEX_CST node. */
927 #define TREE_REALPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.real)
928 #define TREE_IMAGPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.imag)
930 /* In a VECTOR_CST node. */
931 #define VECTOR_CST_NELTS(NODE) (TYPE_VECTOR_SUBPARTS (TREE_TYPE (NODE)))
932 #define VECTOR_CST_ELTS(NODE) (VECTOR_CST_CHECK (NODE)->vector.elts)
933 #define VECTOR_CST_ELT(NODE,IDX) (VECTOR_CST_CHECK (NODE)->vector.elts[IDX])
935 /* Define fields and accessors for some special-purpose tree nodes. */
937 #define IDENTIFIER_LENGTH(NODE) \
938 (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len)
939 #define IDENTIFIER_POINTER(NODE) \
940 ((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str)
941 #define IDENTIFIER_HASH_VALUE(NODE) \
942 (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value)
944 /* Translate a hash table identifier pointer to a tree_identifier
945 pointer, and vice versa. */
947 #define HT_IDENT_TO_GCC_IDENT(NODE) \
948 ((tree) ((char *) (NODE) - sizeof (struct tree_common)))
949 #define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
951 /* In a TREE_LIST node. */
952 #define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
953 #define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
955 /* In a TREE_VEC node. */
956 #define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->base.u.length)
957 #define TREE_VEC_END(NODE) \
958 ((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->vec.base.u.length]))
960 #define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
962 /* In a CONSTRUCTOR node. */
963 #define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
964 #define CONSTRUCTOR_ELT(NODE,IDX) \
965 (&(*CONSTRUCTOR_ELTS (NODE))[IDX])
966 #define CONSTRUCTOR_NELTS(NODE) \
967 (vec_safe_length (CONSTRUCTOR_ELTS (NODE)))
968 #define CONSTRUCTOR_NO_CLEARING(NODE) \
969 (CONSTRUCTOR_CHECK (NODE)->base.public_flag)
971 /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding the
972 value of each element (stored within VAL). IX must be a scratch variable
973 of unsigned integer type. */
974 #define FOR_EACH_CONSTRUCTOR_VALUE(V, IX, VAL) \
975 for (IX = 0; (IX >= vec_safe_length (V)) \
977 : ((VAL = (*(V))[IX].value), \
981 /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding both
982 the value of each element (stored within VAL) and its index (stored
983 within INDEX). IX must be a scratch variable of unsigned integer type. */
984 #define FOR_EACH_CONSTRUCTOR_ELT(V, IX, INDEX, VAL) \
985 for (IX = 0; (IX >= vec_safe_length (V)) \
987 : (((void) (VAL = (*V)[IX].value)), \
988 (INDEX = (*V)[IX].index), \
992 /* Append a new constructor element to V, with the specified INDEX and VAL. */
993 #define CONSTRUCTOR_APPEND_ELT(V, INDEX, VALUE) \
995 constructor_elt _ce___ = {INDEX, VALUE}; \
996 vec_safe_push ((V), _ce___); \
999 /* True if NODE, a FIELD_DECL, is to be processed as a bitfield for
1000 constructor output purposes. */
1001 #define CONSTRUCTOR_BITFIELD_P(NODE) \
1002 (DECL_BIT_FIELD (FIELD_DECL_CHECK (NODE)) && DECL_MODE (NODE) != BLKmode)
1004 /* True if NODE is a clobber right hand side, an expression of indeterminate
1005 value that clobbers the LHS in a copy instruction. We use a volatile
1006 empty CONSTRUCTOR for this, as it matches most of the necessary semantic.
1007 In particular the volatile flag causes us to not prematurely remove
1008 such clobber instructions. */
1009 #define TREE_CLOBBER_P(NODE) \
1010 (TREE_CODE (NODE) == CONSTRUCTOR && TREE_THIS_VOLATILE (NODE))
1012 /* Define fields and accessors for some nodes that represent expressions. */
1014 /* Nonzero if NODE is an empty statement (NOP_EXPR <0>). */
1015 #define IS_EMPTY_STMT(NODE) (TREE_CODE (NODE) == NOP_EXPR \
1016 && VOID_TYPE_P (TREE_TYPE (NODE)) \
1017 && integer_zerop (TREE_OPERAND (NODE, 0)))
1019 /* In ordinary expression nodes. */
1020 #define TREE_OPERAND_LENGTH(NODE) tree_operand_length (NODE)
1021 #define TREE_OPERAND(NODE, I) TREE_OPERAND_CHECK (NODE, I)
1023 /* In a tcc_vl_exp node, operand 0 is an INT_CST node holding the operand
1024 length. Its value includes the length operand itself; that is,
1025 the minimum valid length is 1.
1026 Note that we have to bypass the use of TREE_OPERAND to access
1027 that field to avoid infinite recursion in expanding the macros. */
1028 #define VL_EXP_OPERAND_LENGTH(NODE) \
1029 ((int)TREE_INT_CST_LOW (VL_EXP_CHECK (NODE)->exp.operands[0]))
1031 /* Nonzero if is_gimple_debug() may possibly hold. */
1032 #define MAY_HAVE_DEBUG_STMTS (flag_var_tracking_assignments)
1034 /* In a LOOP_EXPR node. */
1035 #define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
1037 /* The source location of this expression. Non-tree_exp nodes such as
1038 decls and constants can be shared among multiple locations, so
1040 #define EXPR_LOCATION(NODE) \
1041 (CAN_HAVE_LOCATION_P ((NODE)) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
1042 #define SET_EXPR_LOCATION(NODE, LOCUS) EXPR_CHECK ((NODE))->exp.locus = (LOCUS)
1043 #define EXPR_HAS_LOCATION(NODE) (LOCATION_LOCUS (EXPR_LOCATION (NODE)) \
1044 != UNKNOWN_LOCATION)
1045 /* The location to be used in a diagnostic about this expression. Do not
1046 use this macro if the location will be assigned to other expressions. */
1047 #define EXPR_LOC_OR_LOC(NODE, LOCUS) (EXPR_HAS_LOCATION (NODE) \
1048 ? (NODE)->exp.locus : (LOCUS))
1049 #define EXPR_FILENAME(NODE) LOCATION_FILE (EXPR_CHECK ((NODE))->exp.locus)
1050 #define EXPR_LINENO(NODE) LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
1052 /* True if a tree is an expression or statement that can have a
1054 #define CAN_HAVE_LOCATION_P(NODE) ((NODE) && EXPR_P (NODE))
1056 extern void protected_set_expr_location (tree
, location_t
);
1058 /* In a TARGET_EXPR node. */
1059 #define TARGET_EXPR_SLOT(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 0)
1060 #define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 1)
1061 #define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 2)
1063 /* DECL_EXPR accessor. This gives access to the DECL associated with
1064 the given declaration statement. */
1065 #define DECL_EXPR_DECL(NODE) TREE_OPERAND (DECL_EXPR_CHECK (NODE), 0)
1067 #define EXIT_EXPR_COND(NODE) TREE_OPERAND (EXIT_EXPR_CHECK (NODE), 0)
1069 /* COMPOUND_LITERAL_EXPR accessors. */
1070 #define COMPOUND_LITERAL_EXPR_DECL_EXPR(NODE) \
1071 TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
1072 #define COMPOUND_LITERAL_EXPR_DECL(NODE) \
1073 DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_EXPR (NODE))
1075 /* SWITCH_EXPR accessors. These give access to the condition, body and
1076 original condition type (before any compiler conversions)
1077 of the switch statement, respectively. */
1078 #define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 0)
1079 #define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 1)
1080 #define SWITCH_LABELS(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 2)
1082 /* CASE_LABEL_EXPR accessors. These give access to the high and low values
1083 of a case label, respectively. */
1084 #define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 0)
1085 #define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 1)
1086 #define CASE_LABEL(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 2)
1087 #define CASE_CHAIN(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 3)
1089 /* The operands of a TARGET_MEM_REF. Operands 0 and 1 have to match
1090 corresponding MEM_REF operands. */
1091 #define TMR_BASE(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 0))
1092 #define TMR_OFFSET(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 1))
1093 #define TMR_INDEX(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 2))
1094 #define TMR_STEP(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 3))
1095 #define TMR_INDEX2(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 4))
1097 /* The operands of a BIND_EXPR. */
1098 #define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
1099 #define BIND_EXPR_BODY(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 1))
1100 #define BIND_EXPR_BLOCK(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 2))
1102 /* GOTO_EXPR accessor. This gives access to the label associated with
1103 a goto statement. */
1104 #define GOTO_DESTINATION(NODE) TREE_OPERAND ((NODE), 0)
1106 /* ASM_EXPR accessors. ASM_STRING returns a STRING_CST for the
1107 instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
1108 ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
1110 #define ASM_STRING(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 0)
1111 #define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 1)
1112 #define ASM_INPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
1113 #define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
1114 #define ASM_LABELS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 4)
1115 /* Nonzero if we want to create an ASM_INPUT instead of an
1116 ASM_OPERAND with no operands. */
1117 #define ASM_INPUT_P(NODE) (ASM_EXPR_CHECK (NODE)->base.static_flag)
1118 #define ASM_VOLATILE_P(NODE) (ASM_EXPR_CHECK (NODE)->base.public_flag)
1120 /* COND_EXPR accessors. */
1121 #define COND_EXPR_COND(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 0))
1122 #define COND_EXPR_THEN(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
1123 #define COND_EXPR_ELSE(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
1125 /* Accessors for the chains of recurrences. */
1126 #define CHREC_VAR(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 0)
1127 #define CHREC_LEFT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 1)
1128 #define CHREC_RIGHT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 2)
1129 #define CHREC_VARIABLE(NODE) TREE_INT_CST_LOW (CHREC_VAR (NODE))
1131 /* LABEL_EXPR accessor. This gives access to the label associated with
1132 the given label expression. */
1133 #define LABEL_EXPR_LABEL(NODE) TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)
1135 /* VDEF_EXPR accessors are specified in tree-flow.h, along with the other
1136 accessors for SSA operands. */
1138 /* CATCH_EXPR accessors. */
1139 #define CATCH_TYPES(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 0)
1140 #define CATCH_BODY(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 1)
1142 /* EH_FILTER_EXPR accessors. */
1143 #define EH_FILTER_TYPES(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 0)
1144 #define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
1146 /* OBJ_TYPE_REF accessors. */
1147 #define OBJ_TYPE_REF_EXPR(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 0)
1148 #define OBJ_TYPE_REF_OBJECT(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 1)
1149 #define OBJ_TYPE_REF_TOKEN(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 2)
1151 /* ASSERT_EXPR accessors. */
1152 #define ASSERT_EXPR_VAR(NODE) TREE_OPERAND (ASSERT_EXPR_CHECK (NODE), 0)
1153 #define ASSERT_EXPR_COND(NODE) TREE_OPERAND (ASSERT_EXPR_CHECK (NODE), 1)
1155 /* CALL_EXPR accessors.
1157 #define CALL_EXPR_FN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 1)
1158 #define CALL_EXPR_STATIC_CHAIN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 2)
1159 #define CALL_EXPR_ARG(NODE, I) TREE_OPERAND (CALL_EXPR_CHECK (NODE), (I) + 3)
1160 #define call_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH (NODE) - 3)
1162 /* CALL_EXPR_ARGP returns a pointer to the argument vector for NODE.
1163 We can't use &CALL_EXPR_ARG (NODE, 0) because that will complain if
1164 the argument count is zero when checking is enabled. Instead, do
1165 the pointer arithmetic to advance past the 3 fixed operands in a
1166 CALL_EXPR. That produces a valid pointer to just past the end of the
1167 operand array, even if it's not valid to dereference it. */
1168 #define CALL_EXPR_ARGP(NODE) \
1169 (&(TREE_OPERAND (CALL_EXPR_CHECK (NODE), 0)) + 3)
1171 /* TM directives and accessors. */
1172 #define TRANSACTION_EXPR_BODY(NODE) \
1173 TREE_OPERAND (TRANSACTION_EXPR_CHECK (NODE), 0)
1174 #define TRANSACTION_EXPR_OUTER(NODE) \
1175 (TRANSACTION_EXPR_CHECK (NODE)->base.static_flag)
1176 #define TRANSACTION_EXPR_RELAXED(NODE) \
1177 (TRANSACTION_EXPR_CHECK (NODE)->base.public_flag)
1179 /* OpenMP directive and clause accessors. */
1181 #define OMP_BODY(NODE) \
1182 TREE_OPERAND (TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_CRITICAL), 0)
1183 #define OMP_CLAUSES(NODE) \
1184 TREE_OPERAND (TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_SINGLE), 1)
1186 #define OMP_PARALLEL_BODY(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 0)
1187 #define OMP_PARALLEL_CLAUSES(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 1)
1189 #define OMP_TASK_BODY(NODE) TREE_OPERAND (OMP_TASK_CHECK (NODE), 0)
1190 #define OMP_TASK_CLAUSES(NODE) TREE_OPERAND (OMP_TASK_CHECK (NODE), 1)
1192 #define OMP_TASKREG_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_TASK)
1193 #define OMP_TASKREG_BODY(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 0)
1194 #define OMP_TASKREG_CLAUSES(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 1)
1196 #define OMP_LOOP_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_FOR, OMP_DISTRIBUTE)
1197 #define OMP_FOR_BODY(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 0)
1198 #define OMP_FOR_CLAUSES(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 1)
1199 #define OMP_FOR_INIT(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 2)
1200 #define OMP_FOR_COND(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 3)
1201 #define OMP_FOR_INCR(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 4)
1202 #define OMP_FOR_PRE_BODY(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 5)
1204 #define OMP_SECTIONS_BODY(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 0)
1205 #define OMP_SECTIONS_CLAUSES(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 1)
1207 #define OMP_SECTION_BODY(NODE) TREE_OPERAND (OMP_SECTION_CHECK (NODE), 0)
1209 #define OMP_SINGLE_BODY(NODE) TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 0)
1210 #define OMP_SINGLE_CLAUSES(NODE) TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 1)
1212 #define OMP_MASTER_BODY(NODE) TREE_OPERAND (OMP_MASTER_CHECK (NODE), 0)
1214 #define OMP_TASKGROUP_BODY(NODE) TREE_OPERAND (OMP_TASKGROUP_CHECK (NODE), 0)
1216 #define OMP_ORDERED_BODY(NODE) TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 0)
1218 #define OMP_CRITICAL_BODY(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 0)
1219 #define OMP_CRITICAL_NAME(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 1)
1221 #define OMP_TEAMS_BODY(NODE) TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 0)
1222 #define OMP_TEAMS_CLAUSES(NODE) TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 1)
1224 #define OMP_TARGET_DATA_BODY(NODE) \
1225 TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 0)
1226 #define OMP_TARGET_DATA_CLAUSES(NODE)\
1227 TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 1)
1229 #define OMP_TARGET_BODY(NODE) TREE_OPERAND (OMP_TARGET_CHECK (NODE), 0)
1230 #define OMP_TARGET_CLAUSES(NODE) TREE_OPERAND (OMP_TARGET_CHECK (NODE), 1)
1232 #define OMP_TARGET_UPDATE_CLAUSES(NODE)\
1233 TREE_OPERAND (OMP_TARGET_UPDATE_CHECK (NODE), 0)
1235 #define OMP_CLAUSE_SIZE(NODE) \
1236 OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE), \
1240 #define OMP_CLAUSE_CHAIN(NODE) TREE_CHAIN (OMP_CLAUSE_CHECK (NODE))
1241 #define OMP_CLAUSE_DECL(NODE) \
1242 OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE), \
1243 OMP_CLAUSE_PRIVATE, \
1244 OMP_CLAUSE__LOOPTEMP_), 0)
1245 #define OMP_CLAUSE_HAS_LOCATION(NODE) \
1246 (LOCATION_LOCUS ((OMP_CLAUSE_CHECK (NODE))->omp_clause.locus) \
1247 != UNKNOWN_LOCATION)
1248 #define OMP_CLAUSE_LOCATION(NODE) (OMP_CLAUSE_CHECK (NODE))->omp_clause.locus
1250 /* True on an OMP_SECTION statement that was the last lexical member.
1251 This status is meaningful in the implementation of lastprivate. */
1252 #define OMP_SECTION_LAST(NODE) \
1253 (OMP_SECTION_CHECK (NODE)->base.private_flag)
1255 /* True on an OMP_PARALLEL statement if it represents an explicit
1256 combined parallel work-sharing constructs. */
1257 #define OMP_PARALLEL_COMBINED(NODE) \
1258 (OMP_PARALLEL_CHECK (NODE)->base.private_flag)
1260 /* True if OMP_ATOMIC* is supposed to be sequentially consistent
1261 as opposed to relaxed. */
1262 #define OMP_ATOMIC_SEQ_CST(NODE) \
1263 (TREE_RANGE_CHECK (NODE, OMP_ATOMIC, \
1264 OMP_ATOMIC_CAPTURE_NEW)->base.private_flag)
1266 /* True on a PRIVATE clause if its decl is kept around for debugging
1267 information only and its DECL_VALUE_EXPR is supposed to point
1268 to what it has been remapped to. */
1269 #define OMP_CLAUSE_PRIVATE_DEBUG(NODE) \
1270 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE)->base.public_flag)
1272 /* True on a PRIVATE clause if ctor needs access to outer region's
1274 #define OMP_CLAUSE_PRIVATE_OUTER_REF(NODE) \
1275 TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
1277 /* True on a LASTPRIVATE clause if a FIRSTPRIVATE clause for the same
1278 decl is present in the chain. */
1279 #define OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE(NODE) \
1280 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE)->base.public_flag)
1281 #define OMP_CLAUSE_LASTPRIVATE_STMT(NODE) \
1282 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
1283 OMP_CLAUSE_LASTPRIVATE),\
1285 #define OMP_CLAUSE_LASTPRIVATE_GIMPLE_SEQ(NODE) \
1286 (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
1288 #define OMP_CLAUSE_FINAL_EXPR(NODE) \
1289 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FINAL), 0)
1290 #define OMP_CLAUSE_IF_EXPR(NODE) \
1291 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF), 0)
1292 #define OMP_CLAUSE_NUM_THREADS_EXPR(NODE) \
1293 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_THREADS),0)
1294 #define OMP_CLAUSE_SCHEDULE_CHUNK_EXPR(NODE) \
1295 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE), 0)
1297 #define OMP_CLAUSE_DEPEND_KIND(NODE) \
1298 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEPEND)->omp_clause.subcode.depend_kind)
1300 #define OMP_CLAUSE_MAP_KIND(NODE) \
1301 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->omp_clause.subcode.map_kind)
1303 /* Nonzero if this map clause is for array (rather than pointer) based array
1304 section with zero bias. Both the non-decl OMP_CLAUSE_MAP and
1305 correspoidng OMP_CLAUSE_MAP_POINTER clause are marked with this flag. */
1306 #define OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION(NODE) \
1307 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.public_flag)
1309 #define OMP_CLAUSE_PROC_BIND_KIND(NODE) \
1310 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PROC_BIND)->omp_clause.subcode.proc_bind_kind)
1312 #define OMP_CLAUSE_COLLAPSE_EXPR(NODE) \
1313 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 0)
1314 #define OMP_CLAUSE_COLLAPSE_ITERVAR(NODE) \
1315 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 1)
1316 #define OMP_CLAUSE_COLLAPSE_COUNT(NODE) \
1317 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 2)
1319 #define OMP_CLAUSE_REDUCTION_CODE(NODE) \
1320 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION)->omp_clause.subcode.reduction_code)
1321 #define OMP_CLAUSE_REDUCTION_INIT(NODE) \
1322 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 1)
1323 #define OMP_CLAUSE_REDUCTION_MERGE(NODE) \
1324 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 2)
1325 #define OMP_CLAUSE_REDUCTION_GIMPLE_INIT(NODE) \
1326 (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
1327 #define OMP_CLAUSE_REDUCTION_GIMPLE_MERGE(NODE) \
1328 (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_merge
1329 #define OMP_CLAUSE_REDUCTION_PLACEHOLDER(NODE) \
1330 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 3)
1332 /* True if a REDUCTION clause may reference the original list item (omp_orig)
1333 in its OMP_CLAUSE_REDUCTION_{,GIMPLE_}INIT. */
1334 #define OMP_CLAUSE_REDUCTION_OMP_ORIG_REF(NODE) \
1335 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION)->base.public_flag)
1337 /* True if a LINEAR clause doesn't need copy in. True for iterator vars which
1338 are always initialized inside of the loop construct, false otherwise. */
1339 #define OMP_CLAUSE_LINEAR_NO_COPYIN(NODE) \
1340 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.public_flag)
1342 /* True if a LINEAR clause doesn't need copy out. True for iterator vars which
1343 are declared inside of the simd construct. */
1344 #define OMP_CLAUSE_LINEAR_NO_COPYOUT(NODE) \
1345 TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
1347 #define OMP_CLAUSE_LINEAR_STEP(NODE) \
1348 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 1)
1350 #define OMP_CLAUSE_ALIGNED_ALIGNMENT(NODE) \
1351 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALIGNED), 1)
1353 #define OMP_CLAUSE_NUM_TEAMS_EXPR(NODE) \
1354 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TEAMS), 0)
1356 #define OMP_CLAUSE_THREAD_LIMIT_EXPR(NODE) \
1357 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
1358 OMP_CLAUSE_THREAD_LIMIT), 0)
1360 #define OMP_CLAUSE_DEVICE_ID(NODE) \
1361 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE), 0)
1363 #define OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR(NODE) \
1364 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
1365 OMP_CLAUSE_DIST_SCHEDULE), 0)
1367 #define OMP_CLAUSE_SAFELEN_EXPR(NODE) \
1368 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SAFELEN), 0)
1370 #define OMP_CLAUSE_SIMDLEN_EXPR(NODE) \
1371 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SIMDLEN), 0)
1373 #define OMP_CLAUSE__SIMDUID__DECL(NODE) \
1374 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SIMDUID_), 0)
1376 #define OMP_CLAUSE_SCHEDULE_KIND(NODE) \
1377 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->omp_clause.subcode.schedule_kind)
1379 #define OMP_CLAUSE_DEFAULT_KIND(NODE) \
1380 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULT)->omp_clause.subcode.default_kind)
1382 /* SSA_NAME accessors. */
1384 /* Returns the IDENTIFIER_NODE giving the SSA name a name or NULL_TREE
1385 if there is no name associated with it. */
1386 #define SSA_NAME_IDENTIFIER(NODE) \
1387 (SSA_NAME_CHECK (NODE)->ssa_name.var != NULL_TREE \
1388 ? (TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE \
1389 ? (NODE)->ssa_name.var \
1390 : DECL_NAME ((NODE)->ssa_name.var)) \
1393 /* Returns the variable being referenced. This can be NULL_TREE for
1394 temporaries not associated with any user variable.
1395 Once released, this is the only field that can be relied upon. */
1396 #define SSA_NAME_VAR(NODE) \
1397 (SSA_NAME_CHECK (NODE)->ssa_name.var == NULL_TREE \
1398 || TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE \
1399 ? NULL_TREE : (NODE)->ssa_name.var)
1401 #define SET_SSA_NAME_VAR_OR_IDENTIFIER(NODE,VAR) \
1402 do { SSA_NAME_CHECK (NODE)->ssa_name.var = (VAR); } while (0)
1404 /* Returns the statement which defines this SSA name. */
1405 #define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->ssa_name.def_stmt
1407 /* Returns the SSA version number of this SSA name. Note that in
1408 tree SSA, version numbers are not per variable and may be recycled. */
1409 #define SSA_NAME_VERSION(NODE) SSA_NAME_CHECK (NODE)->base.u.version
1411 /* Nonzero if this SSA name occurs in an abnormal PHI. SSA_NAMES are
1412 never output, so we can safely use the ASM_WRITTEN_FLAG for this
1414 #define SSA_NAME_OCCURS_IN_ABNORMAL_PHI(NODE) \
1415 SSA_NAME_CHECK (NODE)->base.asm_written_flag
1417 /* Nonzero if this SSA_NAME expression is currently on the free list of
1418 SSA_NAMES. Using NOTHROW_FLAG seems reasonably safe since throwing
1419 has no meaning for an SSA_NAME. */
1420 #define SSA_NAME_IN_FREE_LIST(NODE) \
1421 SSA_NAME_CHECK (NODE)->base.nothrow_flag
1423 /* Nonzero if this SSA_NAME is the default definition for the
1424 underlying symbol. A default SSA name is created for symbol S if
1425 the very first reference to S in the function is a read operation.
1426 Default definitions are always created by an empty statement and
1427 belong to no basic block. */
1428 #define SSA_NAME_IS_DEFAULT_DEF(NODE) \
1429 SSA_NAME_CHECK (NODE)->base.default_def_flag
1431 /* Attributes for SSA_NAMEs for pointer-type variables. */
1432 #define SSA_NAME_PTR_INFO(N) \
1433 SSA_NAME_CHECK (N)->ssa_name.info.ptr_info
1435 /* Value range info attributes for SSA_NAMEs of non pointer-type variables. */
1436 #define SSA_NAME_RANGE_INFO(N) \
1437 SSA_NAME_CHECK (N)->ssa_name.info.range_info
1439 /* Return the immediate_use information for an SSA_NAME. */
1440 #define SSA_NAME_IMM_USE_NODE(NODE) SSA_NAME_CHECK (NODE)->ssa_name.imm_uses
1442 #define OMP_CLAUSE_CODE(NODE) \
1443 (OMP_CLAUSE_CHECK (NODE))->omp_clause.code
1445 #define OMP_CLAUSE_SET_CODE(NODE, CODE) \
1446 ((OMP_CLAUSE_CHECK (NODE))->omp_clause.code = (CODE))
1448 #define OMP_CLAUSE_OPERAND(NODE, I) \
1449 OMP_CLAUSE_ELT_CHECK (NODE, I)
1451 /* In a BLOCK node. */
1452 #define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
1453 #define BLOCK_NONLOCALIZED_VARS(NODE) \
1454 (BLOCK_CHECK (NODE)->block.nonlocalized_vars)
1455 #define BLOCK_NUM_NONLOCALIZED_VARS(NODE) \
1456 vec_safe_length (BLOCK_NONLOCALIZED_VARS (NODE))
1457 #define BLOCK_NONLOCALIZED_VAR(NODE,N) (*BLOCK_NONLOCALIZED_VARS (NODE))[N]
1458 #define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
1459 #define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
1460 #define BLOCK_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.chain)
1461 #define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
1462 #define BLOCK_ABSTRACT(NODE) (BLOCK_CHECK (NODE)->block.abstract_flag)
1464 /* True if BLOCK has the same ranges as its BLOCK_SUPERCONTEXT. */
1465 #define BLOCK_SAME_RANGE(NODE) (BLOCK_CHECK (NODE)->base.u.bits.nameless_flag)
1467 /* An index number for this block. These values are not guaranteed to
1468 be unique across functions -- whether or not they are depends on
1469 the debugging output format in use. */
1470 #define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
1472 /* If block reordering splits a lexical block into discontiguous
1473 address ranges, we'll make a copy of the original block.
1475 Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN.
1476 In that case, we have one source block that has been replicated
1477 (through inlining or unrolling) into many logical blocks, and that
1478 these logical blocks have different physical variables in them.
1480 In this case, we have one logical block split into several
1481 non-contiguous address ranges. Most debug formats can't actually
1482 represent this idea directly, so we fake it by creating multiple
1483 logical blocks with the same variables in them. However, for those
1484 that do support non-contiguous regions, these allow the original
1485 logical block to be reconstructed, along with the set of address
1488 One of the logical block fragments is arbitrarily chosen to be
1489 the ORIGIN. The other fragments will point to the origin via
1490 BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer
1491 be null. The list of fragments will be chained through
1492 BLOCK_FRAGMENT_CHAIN from the origin. */
1494 #define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin)
1495 #define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain)
1497 /* For an inlined function, this gives the location where it was called
1498 from. This is only set in the top level block, which corresponds to the
1499 inlined function scope. This is used in the debug output routines. */
1501 #define BLOCK_SOURCE_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.locus)
1503 /* Define fields and accessors for nodes representing data types. */
1505 /* See tree.def for documentation of the use of these fields.
1506 Look at the documentation of the various ..._TYPE tree codes.
1508 Note that the type.values, type.minval, and type.maxval fields are
1509 overloaded and used for different macros in different kinds of types.
1510 Each macro must check to ensure the tree node is of the proper kind of
1511 type. Note also that some of the front-ends also overload these fields,
1512 so they must be checked as well. */
1514 #define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type_common.uid)
1515 #define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type_common.size)
1516 #define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type_common.size_unit)
1517 #define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type_common.pointer_to)
1518 #define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type_common.reference_to)
1519 #define TYPE_PRECISION(NODE) (TYPE_CHECK (NODE)->type_common.precision)
1520 #define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type_common.name)
1521 #define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.next_variant)
1522 #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.main_variant)
1523 #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type_common.context)
1525 #define TYPE_MODE(NODE) \
1526 (VECTOR_TYPE_P (TYPE_CHECK (NODE)) \
1527 ? vector_type_mode (NODE) : (NODE)->type_common.mode)
1528 #define SET_TYPE_MODE(NODE, MODE) \
1529 (TYPE_CHECK (NODE)->type_common.mode = (MODE))
1531 /* The "canonical" type for this type node, which is used by frontends to
1532 compare the type for equality with another type. If two types are
1533 equal (based on the semantics of the language), then they will have
1534 equivalent TYPE_CANONICAL entries.
1536 As a special case, if TYPE_CANONICAL is NULL_TREE, and thus
1537 TYPE_STRUCTURAL_EQUALITY_P is true, then it cannot
1538 be used for comparison against other types. Instead, the type is
1539 said to require structural equality checks, described in
1540 TYPE_STRUCTURAL_EQUALITY_P.
1542 For unqualified aggregate and function types the middle-end relies on
1543 TYPE_CANONICAL to tell whether two variables can be assigned
1544 to each other without a conversion. The middle-end also makes sure
1545 to assign the same alias-sets to the type partition with equal
1546 TYPE_CANONICAL of their unqualified variants. */
1547 #define TYPE_CANONICAL(NODE) (TYPE_CHECK (NODE)->type_common.canonical)
1548 /* Indicates that the type node requires structural equality
1549 checks. The compiler will need to look at the composition of the
1550 type to determine whether it is equal to another type, rather than
1551 just comparing canonical type pointers. For instance, we would need
1552 to look at the return and parameter types of a FUNCTION_TYPE
1554 #define TYPE_STRUCTURAL_EQUALITY_P(NODE) (TYPE_CANONICAL (NODE) == NULL_TREE)
1555 /* Sets the TYPE_CANONICAL field to NULL_TREE, indicating that the
1556 type node requires structural equality. */
1557 #define SET_TYPE_STRUCTURAL_EQUALITY(NODE) (TYPE_CANONICAL (NODE) = NULL_TREE)
1559 #define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
1560 #define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
1562 /* The (language-specific) typed-based alias set for this type.
1563 Objects whose TYPE_ALIAS_SETs are different cannot alias each
1564 other. If the TYPE_ALIAS_SET is -1, no alias set has yet been
1565 assigned to this type. If the TYPE_ALIAS_SET is 0, objects of this
1566 type can alias objects of any type. */
1567 #define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type_common.alias_set)
1569 /* Nonzero iff the typed-based alias set for this type has been
1571 #define TYPE_ALIAS_SET_KNOWN_P(NODE) \
1572 (TYPE_CHECK (NODE)->type_common.alias_set != -1)
1574 /* A TREE_LIST of IDENTIFIER nodes of the attributes that apply
1576 #define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type_common.attributes)
1578 /* The alignment necessary for objects of this type.
1579 The value is an int, measured in bits. */
1580 #define TYPE_ALIGN(NODE) (TYPE_CHECK (NODE)->type_common.align)
1582 /* 1 if the alignment for this type was requested by "aligned" attribute,
1583 0 if it is the default for this type. */
1584 #define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->base.u.bits.user_align)
1586 /* The alignment for NODE, in bytes. */
1587 #define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
1589 /* If your language allows you to declare types, and you want debug info
1590 for them, then you need to generate corresponding TYPE_DECL nodes.
1591 These "stub" TYPE_DECL nodes have no name, and simply point at the
1592 type node. You then set the TYPE_STUB_DECL field of the type node
1593 to point back at the TYPE_DECL node. This allows the debug routines
1594 to know that the two nodes represent the same type, so that we only
1595 get one debug info record for them. */
1596 #define TYPE_STUB_DECL(NODE) (TREE_CHAIN (TYPE_CHECK (NODE)))
1598 /* In a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ARRAY_TYPE, it means
1599 the type has BLKmode only because it lacks the alignment required for
1601 #define TYPE_NO_FORCE_BLK(NODE) \
1602 (TYPE_CHECK (NODE)->type_common.no_force_blk_flag)
1604 /* Nonzero in a type considered volatile as a whole. */
1605 #define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->base.volatile_flag)
1607 /* Nonzero in a type considered atomic as a whole. */
1608 #define TYPE_ATOMIC(NODE) (TYPE_CHECK (NODE)->base.u.bits.atomic_flag)
1610 /* Means this type is const-qualified. */
1611 #define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->base.readonly_flag)
1613 /* If nonzero, this type is `restrict'-qualified, in the C sense of
1615 #define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type_common.restrict_flag)
1617 /* If nonzero, type's name shouldn't be emitted into debug info. */
1618 #define TYPE_NAMELESS(NODE) (TYPE_CHECK (NODE)->base.u.bits.nameless_flag)
1620 /* The address space the type is in. */
1621 #define TYPE_ADDR_SPACE(NODE) (TYPE_CHECK (NODE)->base.u.bits.address_space)
1623 /* Encode/decode the named memory support as part of the qualifier. If more
1624 than 8 qualifiers are added, these macros need to be adjusted. */
1625 #define ENCODE_QUAL_ADDR_SPACE(NUM) ((NUM & 0xFF) << 8)
1626 #define DECODE_QUAL_ADDR_SPACE(X) (((X) >> 8) & 0xFF)
1628 /* Return all qualifiers except for the address space qualifiers. */
1629 #define CLEAR_QUAL_ADDR_SPACE(X) ((X) & ~0xFF00)
1631 /* Only keep the address space out of the qualifiers and discard the other
1633 #define KEEP_QUAL_ADDR_SPACE(X) ((X) & 0xFF00)
1635 /* The set of type qualifiers for this type. */
1636 #define TYPE_QUALS(NODE) \
1637 ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
1638 | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
1639 | (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC) \
1640 | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT) \
1641 | (ENCODE_QUAL_ADDR_SPACE (TYPE_ADDR_SPACE (NODE)))))
1643 /* The same as TYPE_QUALS without the address space qualifications. */
1644 #define TYPE_QUALS_NO_ADDR_SPACE(NODE) \
1645 ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
1646 | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
1647 | (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC) \
1648 | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
1650 /* The same as TYPE_QUALS without the address space and atomic
1652 #define TYPE_QUALS_NO_ADDR_SPACE_NO_ATOMIC(NODE) \
1653 ((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
1654 | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
1655 | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
1657 /* These flags are available for each language front end to use internally. */
1658 #define TYPE_LANG_FLAG_0(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_0)
1659 #define TYPE_LANG_FLAG_1(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_1)
1660 #define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_2)
1661 #define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_3)
1662 #define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_4)
1663 #define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_5)
1664 #define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_6)
1666 /* Used to keep track of visited nodes in tree traversals. This is set to
1667 0 by copy_node and make_node. */
1668 #define TREE_VISITED(NODE) ((NODE)->base.visited)
1670 /* If set in an ARRAY_TYPE, indicates a string type (for languages
1671 that distinguish string from array of char).
1672 If set in a INTEGER_TYPE, indicates a character type. */
1673 #define TYPE_STRING_FLAG(NODE) (TYPE_CHECK (NODE)->type_common.string_flag)
1675 /* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */
1676 #define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \
1677 (((unsigned HOST_WIDE_INT) 1) \
1678 << VECTOR_TYPE_CHECK (VECTOR_TYPE)->type_common.precision)
1680 /* Set precision to n when we have 2^n sub-parts of the vector. */
1681 #define SET_TYPE_VECTOR_SUBPARTS(VECTOR_TYPE, X) \
1682 (VECTOR_TYPE_CHECK (VECTOR_TYPE)->type_common.precision = exact_log2 (X))
1684 /* Nonzero in a VECTOR_TYPE if the frontends should not emit warnings
1685 about missing conversions to other vector types of the same size. */
1686 #define TYPE_VECTOR_OPAQUE(NODE) \
1687 (VECTOR_TYPE_CHECK (NODE)->base.default_def_flag)
1689 /* Indicates that objects of this type must be initialized by calling a
1690 function when they are created. */
1691 #define TYPE_NEEDS_CONSTRUCTING(NODE) \
1692 (TYPE_CHECK (NODE)->type_common.needs_constructing_flag)
1694 /* Indicates that a UNION_TYPE object should be passed the same way that
1695 the first union alternative would be passed, or that a RECORD_TYPE
1696 object should be passed the same way that the first (and only) member
1698 #define TYPE_TRANSPARENT_AGGR(NODE) \
1699 (RECORD_OR_UNION_CHECK (NODE)->type_common.transparent_aggr_flag)
1701 /* For an ARRAY_TYPE, indicates that it is not permitted to take the
1702 address of a component of the type. This is the counterpart of
1703 DECL_NONADDRESSABLE_P for arrays, see the definition of this flag. */
1704 #define TYPE_NONALIASED_COMPONENT(NODE) \
1705 (ARRAY_TYPE_CHECK (NODE)->type_common.transparent_aggr_flag)
1707 /* Indicated that objects of this type should be laid out in as
1708 compact a way as possible. */
1709 #define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->base.u.bits.packed_flag)
1711 /* Used by type_contains_placeholder_p to avoid recomputation.
1712 Values are: 0 (unknown), 1 (false), 2 (true). Never access
1713 this field directly. */
1714 #define TYPE_CONTAINS_PLACEHOLDER_INTERNAL(NODE) \
1715 (TYPE_CHECK (NODE)->type_common.contains_placeholder_bits)
1717 /* Nonzero if RECORD_TYPE represents a final derivation of class. */
1718 #define TYPE_FINAL_P(NODE) \
1719 (RECORD_OR_UNION_CHECK (NODE)->base.default_def_flag)
1721 /* The debug output functions use the symtab union field to store
1722 information specific to the debugging format. The different debug
1723 output hooks store different types in the union field. These three
1724 macros are used to access different fields in the union. The debug
1725 hooks are responsible for consistently using only a specific
1728 /* Symtab field as an integer. Used by stabs generator in dbxout.c to
1729 hold the type's number in the generated stabs. */
1730 #define TYPE_SYMTAB_ADDRESS(NODE) \
1731 (TYPE_CHECK (NODE)->type_common.symtab.address)
1733 /* Symtab field as a string. Used by COFF generator in sdbout.c to
1734 hold struct/union type tag names. */
1735 #define TYPE_SYMTAB_POINTER(NODE) \
1736 (TYPE_CHECK (NODE)->type_common.symtab.pointer)
1738 /* Symtab field as a pointer to a DWARF DIE. Used by DWARF generator
1739 in dwarf2out.c to point to the DIE generated for the type. */
1740 #define TYPE_SYMTAB_DIE(NODE) \
1741 (TYPE_CHECK (NODE)->type_common.symtab.die)
1743 /* The garbage collector needs to know the interpretation of the
1744 symtab field. These constants represent the different types in the
1747 #define TYPE_SYMTAB_IS_ADDRESS (0)
1748 #define TYPE_SYMTAB_IS_POINTER (1)
1749 #define TYPE_SYMTAB_IS_DIE (2)
1751 #define TYPE_LANG_SPECIFIC(NODE) \
1752 (TYPE_CHECK (NODE)->type_with_lang_specific.lang_specific)
1754 #define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type_non_common.values)
1755 #define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type_non_common.values)
1756 #define TYPE_FIELDS(NODE) \
1757 (RECORD_OR_UNION_CHECK (NODE)->type_non_common.values)
1758 #define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
1759 #define TYPE_ARG_TYPES(NODE) \
1760 (FUNC_OR_METHOD_CHECK (NODE)->type_non_common.values)
1761 #define TYPE_VALUES_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
1763 #define TYPE_METHODS(NODE) \
1764 (RECORD_OR_UNION_CHECK (NODE)->type_non_common.maxval)
1765 #define TYPE_VFIELD(NODE) \
1766 (RECORD_OR_UNION_CHECK (NODE)->type_non_common.minval)
1767 #define TYPE_METHOD_BASETYPE(NODE) \
1768 (FUNC_OR_METHOD_CHECK (NODE)->type_non_common.maxval)
1769 #define TYPE_OFFSET_BASETYPE(NODE) \
1770 (OFFSET_TYPE_CHECK (NODE)->type_non_common.maxval)
1771 #define TYPE_MAXVAL(NODE) (TYPE_CHECK (NODE)->type_non_common.maxval)
1772 #define TYPE_MINVAL(NODE) (TYPE_CHECK (NODE)->type_non_common.minval)
1773 #define TYPE_NEXT_PTR_TO(NODE) \
1774 (POINTER_TYPE_CHECK (NODE)->type_non_common.minval)
1775 #define TYPE_NEXT_REF_TO(NODE) \
1776 (REFERENCE_TYPE_CHECK (NODE)->type_non_common.minval)
1777 #define TYPE_MIN_VALUE(NODE) \
1778 (NUMERICAL_TYPE_CHECK (NODE)->type_non_common.minval)
1779 #define TYPE_MAX_VALUE(NODE) \
1780 (NUMERICAL_TYPE_CHECK (NODE)->type_non_common.maxval)
1782 /* If non-NULL, this is an upper bound of the size (in bytes) of an
1783 object of the given ARRAY_TYPE_NON_COMMON. This allows temporaries to be
1785 #define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \
1786 (ARRAY_TYPE_CHECK (ARRAY_TYPE)->type_non_common.maxval)
1788 /* For record and union types, information about this type, as a base type
1790 #define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK (NODE)->type_non_common.binfo)
1792 /* For non record and union types, used in a language-dependent way. */
1793 #define TYPE_LANG_SLOT_1(NODE) \
1794 (NOT_RECORD_OR_UNION_CHECK (NODE)->type_non_common.binfo)
1796 /* Define accessor macros for information about type inheritance
1799 A "basetype" means a particular usage of a data type for inheritance
1800 in another type. Each such basetype usage has its own "binfo"
1801 object to describe it. The binfo object is a TREE_VEC node.
1803 Inheritance is represented by the binfo nodes allocated for a
1804 given type. For example, given types C and D, such that D is
1805 inherited by C, 3 binfo nodes will be allocated: one for describing
1806 the binfo properties of C, similarly one for D, and one for
1807 describing the binfo properties of D as a base type for C.
1808 Thus, given a pointer to class C, one can get a pointer to the binfo
1809 of D acting as a basetype for C by looking at C's binfo's basetypes. */
1811 /* BINFO specific flags. */
1813 /* Nonzero means that the derivation chain is via a `virtual' declaration. */
1814 #define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->base.static_flag)
1816 /* Flags for language dependent use. */
1817 #define BINFO_MARKED(NODE) TREE_LANG_FLAG_0 (TREE_BINFO_CHECK (NODE))
1818 #define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1 (TREE_BINFO_CHECK (NODE))
1819 #define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2 (TREE_BINFO_CHECK (NODE))
1820 #define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3 (TREE_BINFO_CHECK (NODE))
1821 #define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4 (TREE_BINFO_CHECK (NODE))
1822 #define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5 (TREE_BINFO_CHECK (NODE))
1823 #define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6 (TREE_BINFO_CHECK (NODE))
1825 /* The actual data type node being inherited in this basetype. */
1826 #define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK (NODE))
1828 /* The offset where this basetype appears in its containing type.
1829 BINFO_OFFSET slot holds the offset (in bytes)
1830 from the base of the complete object to the base of the part of the
1831 object that is allocated on behalf of this `type'.
1832 This is always 0 except when there is multiple inheritance. */
1834 #define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK (NODE)->binfo.offset)
1835 #define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
1837 /* The virtual function table belonging to this basetype. Virtual
1838 function tables provide a mechanism for run-time method dispatching.
1839 The entries of a virtual function table are language-dependent. */
1841 #define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtable)
1843 /* The virtual functions in the virtual function table. This is
1844 a TREE_LIST that is used as an initial approximation for building
1845 a virtual function table for this basetype. */
1846 #define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK (NODE)->binfo.virtuals)
1848 /* A vector of binfos for the direct basetypes inherited by this
1851 If this basetype describes type D as inherited in C, and if the
1852 basetypes of D are E and F, then this vector contains binfos for
1853 inheritance of E and F by C. */
1854 #define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK (NODE)->binfo.base_binfos)
1856 /* The number of basetypes for NODE. */
1857 #define BINFO_N_BASE_BINFOS(NODE) (BINFO_BASE_BINFOS (NODE)->length ())
1859 /* Accessor macro to get to the Nth base binfo of this binfo. */
1860 #define BINFO_BASE_BINFO(NODE,N) \
1861 ((*BINFO_BASE_BINFOS (NODE))[(N)])
1862 #define BINFO_BASE_ITERATE(NODE,N,B) \
1863 (BINFO_BASE_BINFOS (NODE)->iterate ((N), &(B)))
1864 #define BINFO_BASE_APPEND(NODE,T) \
1865 (BINFO_BASE_BINFOS (NODE)->quick_push ((T)))
1867 /* For a BINFO record describing a virtual base class, i.e., one where
1868 TREE_VIA_VIRTUAL is set, this field assists in locating the virtual
1869 base. The actual contents are language-dependent. In the C++
1870 front-end this field is an INTEGER_CST giving an offset into the
1871 vtable where the offset to the virtual base can be found. */
1872 #define BINFO_VPTR_FIELD(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vptr_field)
1874 /* Indicates the accesses this binfo has to its bases. The values are
1875 access_public_node, access_protected_node or access_private_node.
1876 If this array is not present, public access is implied. */
1877 #define BINFO_BASE_ACCESSES(NODE) \
1878 (TREE_BINFO_CHECK (NODE)->binfo.base_accesses)
1880 #define BINFO_BASE_ACCESS(NODE,N) \
1881 (*BINFO_BASE_ACCESSES (NODE))[(N)]
1882 #define BINFO_BASE_ACCESS_APPEND(NODE,T) \
1883 BINFO_BASE_ACCESSES (NODE)->quick_push ((T))
1885 /* The index in the VTT where this subobject's sub-VTT can be found.
1886 NULL_TREE if there is no sub-VTT. */
1887 #define BINFO_SUBVTT_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_subvtt)
1889 /* The index in the VTT where the vptr for this subobject can be
1890 found. NULL_TREE if there is no secondary vptr in the VTT. */
1891 #define BINFO_VPTR_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_vptr)
1893 /* The BINFO_INHERITANCE_CHAIN points at the binfo for the base
1894 inheriting this base for non-virtual bases. For virtual bases it
1895 points either to the binfo for which this is a primary binfo, or to
1896 the binfo of the most derived type. */
1897 #define BINFO_INHERITANCE_CHAIN(NODE) \
1898 (TREE_BINFO_CHECK (NODE)->binfo.inheritance)
1901 /* Define fields and accessors for nodes representing declared names. */
1903 /* Nonzero if DECL represents an SSA name or a variable that can possibly
1904 have an associated SSA name. */
1905 #define SSA_VAR_P(DECL) \
1906 (TREE_CODE (DECL) == VAR_DECL \
1907 || TREE_CODE (DECL) == PARM_DECL \
1908 || TREE_CODE (DECL) == RESULT_DECL \
1909 || TREE_CODE (DECL) == SSA_NAME)
1912 #define DECL_CHAIN(NODE) (TREE_CHAIN (DECL_MINIMAL_CHECK (NODE)))
1914 /* This is the name of the object as written by the user.
1915 It is an IDENTIFIER_NODE. */
1916 #define DECL_NAME(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.name)
1918 /* Every ..._DECL node gets a unique number. */
1919 #define DECL_UID(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.uid)
1921 /* DEBUG_EXPR_DECLs get negative UID numbers, to catch erroneous
1923 #define DEBUG_TEMP_UID(NODE) (-DECL_UID (TREE_CHECK ((NODE), DEBUG_EXPR_DECL)))
1925 /* Every ..._DECL node gets a unique number that stays the same even
1926 when the decl is copied by the inliner once it is set. */
1927 #define DECL_PT_UID(NODE) \
1928 (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid == -1u \
1929 ? (NODE)->decl_minimal.uid : (NODE)->decl_common.pt_uid)
1930 /* Initialize the ..._DECL node pt-uid to the decls uid. */
1931 #define SET_DECL_PT_UID(NODE, UID) \
1932 (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid = (UID))
1933 /* Whether the ..._DECL node pt-uid has been initialized and thus needs to
1934 be preserved when copyin the decl. */
1935 #define DECL_PT_UID_SET_P(NODE) \
1936 (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid != -1u)
1938 /* These two fields describe where in the source code the declaration
1939 was. If the declaration appears in several places (as for a C
1940 function that is declared first and then defined later), this
1941 information should refer to the definition. */
1942 #define DECL_SOURCE_LOCATION(NODE) \
1943 (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
1944 #define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
1945 #define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
1946 #define DECL_SOURCE_COLUMN(NODE) LOCATION_COLUMN (DECL_SOURCE_LOCATION (NODE))
1947 /* This accessor returns TRUE if the decl it operates on was created
1948 by a front-end or back-end rather than by user code. In this case
1949 builtin-ness is indicated by source location. */
1950 #define DECL_IS_BUILTIN(DECL) \
1951 (LOCATION_LOCUS (DECL_SOURCE_LOCATION (DECL)) <= BUILTINS_LOCATION)
1953 /* For FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
1954 QUAL_UNION_TYPE node that the field is a member of. For VAR_DECL,
1955 PARM_DECL, FUNCTION_DECL, LABEL_DECL, RESULT_DECL, and CONST_DECL
1956 nodes, this points to either the FUNCTION_DECL for the containing
1957 function, the RECORD_TYPE or UNION_TYPE for the containing type, or
1958 NULL_TREE or a TRANSLATION_UNIT_DECL if the given decl has "file
1959 scope". In particular, for VAR_DECLs which are virtual table pointers
1960 (they have DECL_VIRTUAL set), we use DECL_CONTEXT to determine the type
1962 #define DECL_CONTEXT(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.context)
1963 #define DECL_FIELD_CONTEXT(NODE) \
1964 (FIELD_DECL_CHECK (NODE)->decl_minimal.context)
1966 /* If nonzero, decl's name shouldn't be emitted into debug info. */
1967 #define DECL_NAMELESS(NODE) (DECL_MINIMAL_CHECK (NODE)->base.u.bits.nameless_flag)
1969 /* For any sort of a ..._DECL node, this points to the original (abstract)
1970 decl node which this decl is an inlined/cloned instance of, or else it
1971 is NULL indicating that this decl is not an instance of some other decl.
1973 The C front-end also uses this in a nested declaration of an inline
1974 function, to point back to the definition. */
1975 #define DECL_ABSTRACT_ORIGIN(NODE) \
1976 (DECL_COMMON_CHECK (NODE)->decl_common.abstract_origin)
1978 /* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
1979 origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */
1980 #define DECL_ORIGIN(NODE) \
1981 (DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE))
1983 /* Nonzero for any sort of ..._DECL node means this decl node represents an
1984 inline instance of some original (abstract) decl from an inline function;
1985 suppress any warnings about shadowing some other variable. FUNCTION_DECL
1986 nodes can also have their abstract origin set to themselves. */
1987 #define DECL_FROM_INLINE(NODE) \
1988 (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
1989 && DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
1991 /* In a DECL this is the field where attributes are stored. */
1992 #define DECL_ATTRIBUTES(NODE) \
1993 (DECL_COMMON_CHECK (NODE)->decl_common.attributes)
1995 /* For a FUNCTION_DECL, holds the tree of BINDINGs.
1996 For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
1997 For a VAR_DECL, holds the initial value.
1998 For a PARM_DECL, used for DECL_ARG_TYPE--default
1999 values for parameters are encoded in the type of the function,
2000 not in the PARM_DECL slot.
2001 For a FIELD_DECL, this is used for enumeration values and the C
2002 frontend uses it for temporarily storing bitwidth of bitfields.
2004 ??? Need to figure out some way to check this isn't a PARM_DECL. */
2005 #define DECL_INITIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.initial)
2007 /* Holds the size of the datum, in bits, as a tree expression.
2008 Need not be constant. */
2009 #define DECL_SIZE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size)
2010 /* Likewise for the size in bytes. */
2011 #define DECL_SIZE_UNIT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size_unit)
2012 /* Holds the alignment required for the datum, in bits. */
2013 #define DECL_ALIGN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.align)
2014 /* The alignment of NODE, in bytes. */
2015 #define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
2016 /* Set if the alignment of this DECL has been set by the user, for
2017 example with an 'aligned' attribute. */
2018 #define DECL_USER_ALIGN(NODE) \
2019 (DECL_COMMON_CHECK (NODE)->base.u.bits.user_align)
2020 /* Holds the machine mode corresponding to the declaration of a variable or
2021 field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
2023 #define DECL_MODE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.mode)
2025 /* For FUNCTION_DECL, if it is built-in, this identifies which built-in
2026 operation it is. Note, however, that this field is overloaded, with
2027 DECL_BUILT_IN_CLASS as the discriminant, so the latter must always be
2028 checked before any access to the former. */
2029 #define DECL_FUNCTION_CODE(NODE) \
2030 (FUNCTION_DECL_CHECK (NODE)->function_decl.function_code)
2032 #define DECL_FUNCTION_PERSONALITY(NODE) \
2033 (FUNCTION_DECL_CHECK (NODE)->function_decl.personality)
2035 /* Nonzero for a given ..._DECL node means that the name of this node should
2036 be ignored for symbolic debug purposes. For a TYPE_DECL, this means that
2037 the associated type should be ignored. For a FUNCTION_DECL, the body of
2038 the function should also be ignored. */
2039 #define DECL_IGNORED_P(NODE) \
2040 (DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
2042 /* Nonzero for a given ..._DECL node means that this node represents an
2043 "abstract instance" of the given declaration (e.g. in the original
2044 declaration of an inline function). When generating symbolic debugging
2045 information, we mustn't try to generate any address information for nodes
2046 marked as "abstract instances" because we don't actually generate
2047 any code or allocate any data space for such instances. */
2048 #define DECL_ABSTRACT(NODE) \
2049 (DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
2051 /* Language-specific decl information. */
2052 #define DECL_LANG_SPECIFIC(NODE) \
2053 (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
2055 /* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference:
2056 do not allocate storage, and refer to a definition elsewhere. Note that
2057 this does not necessarily imply the entity represented by NODE
2058 has no program source-level definition in this translation unit. For
2059 example, for a FUNCTION_DECL, DECL_SAVED_TREE may be non-NULL and
2060 DECL_EXTERNAL may be true simultaneously; that can be the case for
2061 a C99 "extern inline" function. */
2062 #define DECL_EXTERNAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.decl_flag_1)
2064 /* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
2065 For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
2067 For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
2069 Also set in some languages for variables, etc., outside the normal
2070 lexical scope, such as class instance variables. */
2071 #define DECL_NONLOCAL(NODE) \
2072 (DECL_COMMON_CHECK (NODE)->decl_common.nonlocal_flag)
2074 /* Used in VAR_DECLs to indicate that the variable is a vtable.
2075 Used in FIELD_DECLs for vtable pointers.
2076 Used in FUNCTION_DECLs to indicate that the function is virtual. */
2077 #define DECL_VIRTUAL_P(NODE) \
2078 (DECL_COMMON_CHECK (NODE)->decl_common.virtual_flag)
2080 /* Used to indicate that this DECL represents a compiler-generated entity. */
2081 #define DECL_ARTIFICIAL(NODE) \
2082 (DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
2084 /* Additional flags for language-specific uses. */
2085 #define DECL_LANG_FLAG_0(NODE) \
2086 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
2087 #define DECL_LANG_FLAG_1(NODE) \
2088 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
2089 #define DECL_LANG_FLAG_2(NODE) \
2090 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
2091 #define DECL_LANG_FLAG_3(NODE) \
2092 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
2093 #define DECL_LANG_FLAG_4(NODE) \
2094 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
2095 #define DECL_LANG_FLAG_5(NODE) \
2096 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
2097 #define DECL_LANG_FLAG_6(NODE) \
2098 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
2099 #define DECL_LANG_FLAG_7(NODE) \
2100 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
2101 #define DECL_LANG_FLAG_8(NODE) \
2102 (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_8)
2104 /* Nonzero for a scope which is equal to file scope. */
2105 #define SCOPE_FILE_SCOPE_P(EXP) \
2106 (! (EXP) || TREE_CODE (EXP) == TRANSLATION_UNIT_DECL)
2107 /* Nonzero for a decl which is at file scope. */
2108 #define DECL_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (DECL_CONTEXT (EXP))
2109 /* Nonzero for a type which is at file scope. */
2110 #define TYPE_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (TYPE_CONTEXT (EXP))
2112 /* Nonzero for a decl that is decorated using attribute used.
2113 This indicates to compiler tools that this decl needs to be preserved. */
2114 #define DECL_PRESERVE_P(DECL) \
2115 DECL_COMMON_CHECK (DECL)->decl_common.preserve_flag
2117 /* For function local variables of COMPLEX and VECTOR types,
2118 indicates that the variable is not aliased, and that all
2119 modifications to the variable have been adjusted so that
2120 they are killing assignments. Thus the variable may now
2121 be treated as a GIMPLE register, and use real instead of
2122 virtual ops in SSA form. */
2123 #define DECL_GIMPLE_REG_P(DECL) \
2124 DECL_COMMON_CHECK (DECL)->decl_common.gimple_reg_flag
2126 extern tree
decl_value_expr_lookup (tree
);
2127 extern void decl_value_expr_insert (tree
, tree
);
2129 /* In a VAR_DECL or PARM_DECL, the location at which the value may be found,
2130 if transformations have made this more complicated than evaluating the
2131 decl itself. This should only be used for debugging; once this field has
2132 been set, the decl itself may not legitimately appear in the function. */
2133 #define DECL_HAS_VALUE_EXPR_P(NODE) \
2134 (TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, RESULT_DECL) \
2135 ->decl_common.decl_flag_2)
2136 #define DECL_VALUE_EXPR(NODE) \
2137 (decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))
2138 #define SET_DECL_VALUE_EXPR(NODE, VAL) \
2139 (decl_value_expr_insert (DECL_WRTL_CHECK (NODE), VAL))
2141 /* Holds the RTL expression for the value of a variable or function.
2142 This value can be evaluated lazily for functions, variables with
2143 static storage duration, and labels. */
2144 #define DECL_RTL(NODE) \
2145 (DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl \
2146 ? (NODE)->decl_with_rtl.rtl \
2147 : (make_decl_rtl (NODE), (NODE)->decl_with_rtl.rtl))
2149 /* Set the DECL_RTL for NODE to RTL. */
2150 #define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
2152 /* Returns nonzero if NODE is a tree node that can contain RTL. */
2153 #define HAS_RTL_P(NODE) (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WRTL))
2155 /* Returns nonzero if the DECL_RTL for NODE has already been set. */
2156 #define DECL_RTL_SET_P(NODE) \
2157 (HAS_RTL_P (NODE) && DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl != NULL)
2159 /* Copy the RTL from NODE1 to NODE2. If the RTL was not set for
2160 NODE1, it will not be set for NODE2; this is a lazy copy. */
2161 #define COPY_DECL_RTL(NODE1, NODE2) \
2162 (DECL_WRTL_CHECK (NODE2)->decl_with_rtl.rtl \
2163 = DECL_WRTL_CHECK (NODE1)->decl_with_rtl.rtl)
2165 /* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */
2166 #define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
2168 #if (GCC_VERSION >= 2007)
2169 #define DECL_RTL_KNOWN_SET(decl) __extension__ \
2170 ({ tree const __d = (decl); \
2171 gcc_checking_assert (DECL_RTL_SET_P (__d)); \
2172 /* Dereference it so the compiler knows it can't be NULL even \
2173 without assertion checking. */ \
2174 &*DECL_RTL_IF_SET (__d); })
2176 #define DECL_RTL_KNOWN_SET(decl) (&*DECL_RTL_IF_SET (decl))
2179 /* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
2180 #define DECL_REGISTER(NODE) (DECL_WRTL_CHECK (NODE)->decl_common.decl_flag_0)
2182 /* In a FIELD_DECL, this is the field position, counting in bytes, of the
2183 DECL_OFFSET_ALIGN-bit-sized word containing the bit closest to the beginning
2184 of the structure. */
2185 #define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.offset)
2187 /* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
2188 field from DECL_FIELD_OFFSET. This field may be nonzero even for fields
2189 that are not bit fields (since DECL_OFFSET_ALIGN may be larger than the
2190 natural alignment of the field's type). */
2191 #define DECL_FIELD_BIT_OFFSET(NODE) \
2192 (FIELD_DECL_CHECK (NODE)->field_decl.bit_offset)
2194 /* In a FIELD_DECL, this indicates whether the field was a bit-field and
2195 if so, the type that was originally specified for it.
2196 TREE_TYPE may have been modified (in finish_struct). */
2197 #define DECL_BIT_FIELD_TYPE(NODE) \
2198 (FIELD_DECL_CHECK (NODE)->field_decl.bit_field_type)
2200 /* In a FIELD_DECL of a RECORD_TYPE, this is a pointer to the storage
2201 representative FIELD_DECL. */
2202 #define DECL_BIT_FIELD_REPRESENTATIVE(NODE) \
2203 (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
2205 /* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
2206 if nonzero, indicates that the field occupies the type. */
2207 #define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
2209 /* For FIELD_DECLs, off_align holds the number of low-order bits of
2210 DECL_FIELD_OFFSET which are known to be always zero.
2211 DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
2213 #define DECL_OFFSET_ALIGN(NODE) \
2214 (((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl_common.off_align)
2216 /* Specify that DECL_ALIGN(NODE) is a multiple of X. */
2217 #define SET_DECL_OFFSET_ALIGN(NODE, X) \
2218 (FIELD_DECL_CHECK (NODE)->decl_common.off_align = ffs_hwi (X) - 1)
2220 /* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
2221 which this FIELD_DECL is defined. This information is needed when
2222 writing debugging information about vfield and vbase decls for C++. */
2223 #define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.fcontext)
2225 /* In a FIELD_DECL, indicates this field should be bit-packed. */
2226 #define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->base.u.bits.packed_flag)
2228 /* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed
2230 #define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_1)
2232 /* Used in a FIELD_DECL to indicate that we cannot form the address of
2233 this component. This makes it possible for Type-Based Alias Analysis
2234 to disambiguate accesses to this field with indirect accesses using
2237 struct S { int i; } s;
2240 If the flag is set on 'i', TBAA computes that s.i and *p never conflict.
2242 From the implementation's viewpoint, the alias set of the type of the
2243 field 'i' (int) will not be recorded as a subset of that of the type of
2244 's' (struct S) in record_component_aliases. The counterpart is that
2245 accesses to s.i must not be given the alias set of the type of 'i'
2246 (int) but instead directly that of the type of 's' (struct S). */
2247 #define DECL_NONADDRESSABLE_P(NODE) \
2248 (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
2250 /* A numeric unique identifier for a LABEL_DECL. The UID allocation is
2251 dense, unique within any one function, and may be used to index arrays.
2252 If the value is -1, then no UID has been assigned. */
2253 #define LABEL_DECL_UID(NODE) \
2254 (LABEL_DECL_CHECK (NODE)->label_decl.label_decl_uid)
2256 /* In a LABEL_DECL, the EH region number for which the label is the
2257 post_landing_pad. */
2258 #define EH_LANDING_PAD_NR(NODE) \
2259 (LABEL_DECL_CHECK (NODE)->label_decl.eh_landing_pad_nr)
2261 /* For a PARM_DECL, records the data type used to pass the argument,
2262 which may be different from the type seen in the program. */
2263 #define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl_common.initial)
2265 /* For PARM_DECL, holds an RTL for the stack slot or register
2266 where the data was actually passed. */
2267 #define DECL_INCOMING_RTL(NODE) \
2268 (PARM_DECL_CHECK (NODE)->parm_decl.incoming_rtl)
2270 /* Nonzero for a given ..._DECL node means that no warnings should be
2271 generated just because this node is unused. */
2272 #define DECL_IN_SYSTEM_HEADER(NODE) \
2273 (in_system_header_at (DECL_SOURCE_LOCATION (NODE)))
2275 /* Used to indicate that the linkage status of this DECL is not yet known,
2276 so it should not be output now. */
2277 #define DECL_DEFER_OUTPUT(NODE) \
2278 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
2280 /* In a VAR_DECL that's static,
2281 nonzero if the space is in the text section. */
2282 #define DECL_IN_TEXT_SECTION(NODE) \
2283 (VAR_DECL_CHECK (NODE)->decl_with_vis.in_text_section)
2285 /* In a VAR_DECL that's static,
2286 nonzero if it belongs to the global constant pool. */
2287 #define DECL_IN_CONSTANT_POOL(NODE) \
2288 (VAR_DECL_CHECK (NODE)->decl_with_vis.in_constant_pool)
2290 /* Nonzero for a given ..._DECL node means that this node should be
2291 put in .common, if possible. If a DECL_INITIAL is given, and it
2292 is not error_mark_node, then the decl cannot be put in .common. */
2293 #define DECL_COMMON(NODE) \
2294 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.common_flag)
2296 /* In a VAR_DECL, nonzero if the decl is a register variable with
2297 an explicit asm specification. */
2298 #define DECL_HARD_REGISTER(NODE) \
2299 (VAR_DECL_CHECK (NODE)->decl_with_vis.hard_register)
2301 /* Used to indicate that this DECL has weak linkage. */
2302 #define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
2304 /* Used to indicate that the DECL is a dllimport. */
2305 #define DECL_DLLIMPORT_P(NODE) \
2306 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_flag)
2308 /* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
2309 not be put out unless it is needed in this translation unit.
2310 Entities like this are shared across translation units (like weak
2311 entities), but are guaranteed to be generated by any translation
2312 unit that needs them, and therefore need not be put out anywhere
2313 where they are not needed. DECL_COMDAT is just a hint to the
2314 back-end; it is up to front-ends which set this flag to ensure
2315 that there will never be any harm, other than bloat, in putting out
2316 something which is DECL_COMDAT. */
2317 #define DECL_COMDAT(NODE) \
2318 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
2320 #define DECL_COMDAT_GROUP(NODE) \
2321 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_group)
2323 /* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
2324 multiple translation units should be merged. */
2325 #define DECL_ONE_ONLY(NODE) (DECL_COMDAT_GROUP (NODE) != NULL_TREE)
2327 /* The name of the object as the assembler will see it (but before any
2328 translations made by ASM_OUTPUT_LABELREF). Often this is the same
2329 as DECL_NAME. It is an IDENTIFIER_NODE. */
2330 #define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE)
2332 /* Return true if NODE is a NODE that can contain a DECL_ASSEMBLER_NAME.
2333 This is true of all DECL nodes except FIELD_DECL. */
2334 #define HAS_DECL_ASSEMBLER_NAME_P(NODE) \
2335 (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WITH_VIS))
2337 /* Returns nonzero if the DECL_ASSEMBLER_NAME for NODE has been set. If zero,
2338 the NODE might still have a DECL_ASSEMBLER_NAME -- it just hasn't been set
2340 #define DECL_ASSEMBLER_NAME_SET_P(NODE) \
2341 (HAS_DECL_ASSEMBLER_NAME_P (NODE) \
2342 && DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name != NULL_TREE)
2344 /* Set the DECL_ASSEMBLER_NAME for NODE to NAME. */
2345 #define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
2346 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name = (NAME))
2348 /* Copy the DECL_ASSEMBLER_NAME from DECL1 to DECL2. Note that if DECL1's
2349 DECL_ASSEMBLER_NAME has not yet been set, using this macro will not cause
2350 the DECL_ASSEMBLER_NAME of either DECL to be set. In other words, the
2351 semantics of using this macro, are different than saying:
2353 SET_DECL_ASSEMBLER_NAME(DECL2, DECL_ASSEMBLER_NAME (DECL1))
2355 which will try to set the DECL_ASSEMBLER_NAME for DECL1. */
2357 #define COPY_DECL_ASSEMBLER_NAME(DECL1, DECL2) \
2358 (DECL_ASSEMBLER_NAME_SET_P (DECL1) \
2359 ? (void) SET_DECL_ASSEMBLER_NAME (DECL2, \
2360 DECL_ASSEMBLER_NAME (DECL1)) \
2363 /* Records the section name in a section attribute. Used to pass
2364 the name from decl_attributes to make_function_rtl and make_decl_rtl. */
2365 #define DECL_SECTION_NAME(NODE) \
2366 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.section_name)
2368 /* Nonzero in a decl means that the gimplifier has seen (or placed)
2369 this variable in a BIND_EXPR. */
2370 #define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
2371 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.seen_in_bind_expr)
2373 /* Value of the decls's visibility attribute */
2374 #define DECL_VISIBILITY(NODE) \
2375 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility)
2377 /* Nonzero means that the decl had its visibility specified rather than
2379 #define DECL_VISIBILITY_SPECIFIED(NODE) \
2380 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility_specified)
2382 /* In a VAR_DECL, the model to use if the data should be allocated from
2383 thread-local storage. */
2384 #define DECL_TLS_MODEL(NODE) (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model)
2386 /* In a VAR_DECL, nonzero if the data should be allocated from
2387 thread-local storage. */
2388 #define DECL_THREAD_LOCAL_P(NODE) \
2389 (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model >= TLS_MODEL_REAL)
2391 /* In a non-local VAR_DECL with static storage duration, true if the
2392 variable has an initialization priority. If false, the variable
2393 will be initialized at the DEFAULT_INIT_PRIORITY. */
2394 #define DECL_HAS_INIT_PRIORITY_P(NODE) \
2395 (VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
2397 /* Specify whether the section name was set by user or by
2398 compiler via -ffunction-sections. */
2399 #define DECL_HAS_IMPLICIT_SECTION_NAME_P(NODE) \
2400 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.implicit_section_name_p)
2402 extern tree
decl_debug_expr_lookup (tree
);
2403 extern void decl_debug_expr_insert (tree
, tree
);
2405 /* For VAR_DECL, this is set to an expression that it was split from. */
2406 #define DECL_HAS_DEBUG_EXPR_P(NODE) \
2407 (VAR_DECL_CHECK (NODE)->decl_common.debug_expr_is_from)
2408 #define DECL_DEBUG_EXPR(NODE) \
2409 (decl_debug_expr_lookup (VAR_DECL_CHECK (NODE)))
2411 #define SET_DECL_DEBUG_EXPR(NODE, VAL) \
2412 (decl_debug_expr_insert (VAR_DECL_CHECK (NODE), VAL))
2414 extern priority_type
decl_init_priority_lookup (tree
);
2415 extern priority_type
decl_fini_priority_lookup (tree
);
2416 extern void decl_init_priority_insert (tree
, priority_type
);
2417 extern void decl_fini_priority_insert (tree
, priority_type
);
2419 /* For a VAR_DECL or FUNCTION_DECL the initialization priority of
2421 #define DECL_INIT_PRIORITY(NODE) \
2422 (decl_init_priority_lookup (NODE))
2423 /* Set the initialization priority for NODE to VAL. */
2424 #define SET_DECL_INIT_PRIORITY(NODE, VAL) \
2425 (decl_init_priority_insert (NODE, VAL))
2427 /* For a FUNCTION_DECL the finalization priority of NODE. */
2428 #define DECL_FINI_PRIORITY(NODE) \
2429 (decl_fini_priority_lookup (NODE))
2430 /* Set the finalization priority for NODE to VAL. */
2431 #define SET_DECL_FINI_PRIORITY(NODE, VAL) \
2432 (decl_fini_priority_insert (NODE, VAL))
2434 /* The initialization priority for entities for which no explicit
2435 initialization priority has been specified. */
2436 #define DEFAULT_INIT_PRIORITY 65535
2438 /* The maximum allowed initialization priority. */
2439 #define MAX_INIT_PRIORITY 65535
2441 /* The largest priority value reserved for use by system runtime
2443 #define MAX_RESERVED_INIT_PRIORITY 100
2445 /* In a VAR_DECL, nonzero if this is a global variable for VOPs. */
2446 #define VAR_DECL_IS_VIRTUAL_OPERAND(NODE) \
2447 (VAR_DECL_CHECK (NODE)->base.u.bits.saturating_flag)
2449 /* In a VAR_DECL, nonzero if this is a non-local frame structure. */
2450 #define DECL_NONLOCAL_FRAME(NODE) \
2451 (VAR_DECL_CHECK (NODE)->base.default_def_flag)
2453 /* This field is used to reference anything in decl.result and is meant only
2454 for use by the garbage collector. */
2455 #define DECL_RESULT_FLD(NODE) \
2456 (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.result)
2458 /* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
2459 Before the struct containing the FUNCTION_DECL is laid out,
2460 DECL_VINDEX may point to a FUNCTION_DECL in a base class which
2461 is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual
2462 function. When the class is laid out, this pointer is changed
2463 to an INTEGER_CST node which is suitable for use as an index
2464 into the virtual function table.
2465 C++ also uses this field in namespaces, hence the DECL_NON_COMMON_CHECK. */
2466 #define DECL_VINDEX(NODE) \
2467 (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.vindex)
2469 /* In FUNCTION_DECL, holds the decl for the return value. */
2470 #define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.result)
2472 /* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */
2473 #define DECL_UNINLINABLE(NODE) \
2474 (FUNCTION_DECL_CHECK (NODE)->function_decl.uninlinable)
2476 /* In a FUNCTION_DECL, the saved representation of the body of the
2478 #define DECL_SAVED_TREE(NODE) \
2479 (FUNCTION_DECL_CHECK (NODE)->decl_non_common.saved_tree)
2481 /* Nonzero in a FUNCTION_DECL means this function should be treated
2482 as if it were a malloc, meaning it returns a pointer that is
2484 #define DECL_IS_MALLOC(NODE) \
2485 (FUNCTION_DECL_CHECK (NODE)->function_decl.malloc_flag)
2487 /* Nonzero in a FUNCTION_DECL means this function should be treated as
2488 C++ operator new, meaning that it returns a pointer for which we
2489 should not use type based aliasing. */
2490 #define DECL_IS_OPERATOR_NEW(NODE) \
2491 (FUNCTION_DECL_CHECK (NODE)->function_decl.operator_new_flag)
2493 /* Nonzero in a FUNCTION_DECL means this function may return more
2495 #define DECL_IS_RETURNS_TWICE(NODE) \
2496 (FUNCTION_DECL_CHECK (NODE)->function_decl.returns_twice_flag)
2498 /* Nonzero in a FUNCTION_DECL means this function should be treated
2499 as "pure" function (like const function, but may read global memory). */
2500 #define DECL_PURE_P(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
2502 /* Nonzero only if one of TREE_READONLY or DECL_PURE_P is nonzero AND
2503 the const or pure function may not terminate. When this is nonzero
2504 for a const or pure function, it can be dealt with by cse passes
2505 but cannot be removed by dce passes since you are not allowed to
2506 change an infinite looping program into one that terminates without
2508 #define DECL_LOOPING_CONST_OR_PURE_P(NODE) \
2509 (FUNCTION_DECL_CHECK (NODE)->function_decl.looping_const_or_pure_flag)
2511 /* Nonzero in a FUNCTION_DECL means this function should be treated
2512 as "novops" function (function that does not read global memory,
2513 but may have arbitrary side effects). */
2514 #define DECL_IS_NOVOPS(NODE) \
2515 (FUNCTION_DECL_CHECK (NODE)->function_decl.novops_flag)
2517 /* Used in FUNCTION_DECLs to indicate that they should be run automatically
2518 at the beginning or end of execution. */
2519 #define DECL_STATIC_CONSTRUCTOR(NODE) \
2520 (FUNCTION_DECL_CHECK (NODE)->function_decl.static_ctor_flag)
2522 #define DECL_STATIC_DESTRUCTOR(NODE) \
2523 (FUNCTION_DECL_CHECK (NODE)->function_decl.static_dtor_flag)
2525 /* Used in FUNCTION_DECLs to indicate that function entry and exit should
2526 be instrumented with calls to support routines. */
2527 #define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
2528 (FUNCTION_DECL_CHECK (NODE)->function_decl.no_instrument_function_entry_exit)
2530 /* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
2531 disabled in this function. */
2532 #define DECL_NO_LIMIT_STACK(NODE) \
2533 (FUNCTION_DECL_CHECK (NODE)->function_decl.no_limit_stack)
2535 /* In a FUNCTION_DECL indicates that a static chain is needed. */
2536 #define DECL_STATIC_CHAIN(NODE) \
2537 (FUNCTION_DECL_CHECK (NODE)->function_decl.regdecl_flag)
2539 /* Nonzero for a decl that cgraph has decided should be inlined into
2540 at least one call site. It is not meaningful to look at this
2541 directly; always use cgraph_function_possibly_inlined_p. */
2542 #define DECL_POSSIBLY_INLINED(DECL) \
2543 FUNCTION_DECL_CHECK (DECL)->function_decl.possibly_inlined
2545 /* Nonzero in a FUNCTION_DECL means that this function was declared inline,
2546 such as via the `inline' keyword in C/C++. This flag controls the linkage
2547 semantics of 'inline' */
2548 #define DECL_DECLARED_INLINE_P(NODE) \
2549 (FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
2551 /* Nonzero in a FUNCTION_DECL means this function should not get
2552 -Winline warnings. */
2553 #define DECL_NO_INLINE_WARNING_P(NODE) \
2554 (FUNCTION_DECL_CHECK (NODE)->function_decl.no_inline_warning_flag)
2556 /* Nonzero if a FUNCTION_CODE is a TM load/store. */
2557 #define BUILTIN_TM_LOAD_STORE_P(FN) \
2558 ((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
2560 /* Nonzero if a FUNCTION_CODE is a TM load. */
2561 #define BUILTIN_TM_LOAD_P(FN) \
2562 ((FN) >= BUILT_IN_TM_LOAD_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
2564 /* Nonzero if a FUNCTION_CODE is a TM store. */
2565 #define BUILTIN_TM_STORE_P(FN) \
2566 ((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_STORE_WAW_LDOUBLE)
2568 #define CASE_BUILT_IN_TM_LOAD(FN) \
2569 case BUILT_IN_TM_LOAD_##FN: \
2570 case BUILT_IN_TM_LOAD_RAR_##FN: \
2571 case BUILT_IN_TM_LOAD_RAW_##FN: \
2572 case BUILT_IN_TM_LOAD_RFW_##FN
2574 #define CASE_BUILT_IN_TM_STORE(FN) \
2575 case BUILT_IN_TM_STORE_##FN: \
2576 case BUILT_IN_TM_STORE_WAR_##FN: \
2577 case BUILT_IN_TM_STORE_WAW_##FN
2579 /* Nonzero in a FUNCTION_DECL that should be always inlined by the inliner
2580 disregarding size and cost heuristics. This is equivalent to using
2581 the always_inline attribute without the required diagnostics if the
2582 function cannot be inlined. */
2583 #define DECL_DISREGARD_INLINE_LIMITS(NODE) \
2584 (FUNCTION_DECL_CHECK (NODE)->function_decl.disregard_inline_limits)
2586 extern vec
<tree
, va_gc
> **decl_debug_args_lookup (tree
);
2587 extern vec
<tree
, va_gc
> **decl_debug_args_insert (tree
);
2589 /* Nonzero if a FUNCTION_DECL has DEBUG arguments attached to it. */
2590 #define DECL_HAS_DEBUG_ARGS_P(NODE) \
2591 (FUNCTION_DECL_CHECK (NODE)->function_decl.has_debug_args_flag)
2593 /* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
2594 that describes the status of this function. */
2595 #define DECL_STRUCT_FUNCTION(NODE) \
2596 (FUNCTION_DECL_CHECK (NODE)->function_decl.f)
2598 /* In a FUNCTION_DECL, nonzero means a built in function of a
2599 standard library or more generally a built in function that is
2600 recognized by optimizers and expanders.
2602 Note that it is different from the DECL_IS_BUILTIN accessor. For
2603 instance, user declared prototypes of C library functions are not
2604 DECL_IS_BUILTIN but may be DECL_BUILT_IN. */
2605 #define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
2607 /* For a builtin function, identify which part of the compiler defined it. */
2608 #define DECL_BUILT_IN_CLASS(NODE) \
2609 (FUNCTION_DECL_CHECK (NODE)->function_decl.built_in_class)
2611 /* In FUNCTION_DECL, a chain of ..._DECL nodes.
2612 VAR_DECL and PARM_DECL reserve the arguments slot for language-specific
2614 #define DECL_ARGUMENTS(NODE) \
2615 (FUNCTION_DECL_CHECK (NODE)->decl_non_common.arguments)
2616 #define DECL_ARGUMENT_FLD(NODE) \
2617 (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments)
2619 /* In FUNCTION_DECL, the function specific target options to use when compiling
2621 #define DECL_FUNCTION_SPECIFIC_TARGET(NODE) \
2622 (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_target)
2624 /* In FUNCTION_DECL, the function specific optimization options to use when
2625 compiling this function. */
2626 #define DECL_FUNCTION_SPECIFIC_OPTIMIZATION(NODE) \
2627 (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_optimization)
2629 /* In FUNCTION_DECL, this is set if this function has other versions generated
2630 using "target" attributes. The default version is the one which does not
2631 have any "target" attribute set. */
2632 #define DECL_FUNCTION_VERSIONED(NODE)\
2633 (FUNCTION_DECL_CHECK (NODE)->function_decl.versioned_function)
2635 /* In FUNCTION_DECL, this is set if this function is a C++ constructor.
2636 Devirtualization machinery uses this knowledge for determing type of the
2637 object constructed. Also we assume that constructor address is not
2639 #define DECL_CXX_CONSTRUCTOR_P(NODE)\
2640 (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_constructor)
2642 /* In FUNCTION_DECL, this is set if this function is a C++ destructor.
2643 Devirtualization machinery uses this to track types in destruction. */
2644 #define DECL_CXX_DESTRUCTOR_P(NODE)\
2645 (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_destructor)
2647 /* In FUNCTION_DECL that represent an virtual method this is set when
2648 the method is final. */
2649 #define DECL_FINAL_P(NODE)\
2650 (FUNCTION_DECL_CHECK (NODE)->decl_with_vis.final)
2652 /* The source language of the translation-unit. */
2653 #define TRANSLATION_UNIT_LANGUAGE(NODE) \
2654 (TRANSLATION_UNIT_DECL_CHECK (NODE)->translation_unit_decl.language)
2656 /* TRANSLATION_UNIT_DECL inherits from DECL_MINIMAL. */
2658 /* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
2659 #define DECL_ORIGINAL_TYPE(NODE) \
2660 (TYPE_DECL_CHECK (NODE)->decl_non_common.result)
2662 /* In a TYPE_DECL nonzero means the detail info about this type is not dumped
2663 into stabs. Instead it will generate cross reference ('x') of names.
2664 This uses the same flag as DECL_EXTERNAL. */
2665 #define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
2666 (TYPE_DECL_CHECK (NODE)->decl_common.decl_flag_1)
2668 /* Getter of the imported declaration associated to the
2669 IMPORTED_DECL node. */
2670 #define IMPORTED_DECL_ASSOCIATED_DECL(NODE) \
2671 (DECL_INITIAL (IMPORTED_DECL_CHECK (NODE)))
2673 /* A STATEMENT_LIST chains statements together in GENERIC and GIMPLE.
2674 To reduce overhead, the nodes containing the statements are not trees.
2675 This avoids the overhead of tree_common on all linked list elements.
2677 Use the interface in tree-iterator.h to access this node. */
2679 #define STATEMENT_LIST_HEAD(NODE) \
2680 (STATEMENT_LIST_CHECK (NODE)->stmt_list.head)
2681 #define STATEMENT_LIST_TAIL(NODE) \
2682 (STATEMENT_LIST_CHECK (NODE)->stmt_list.tail)
2684 #define TREE_OPTIMIZATION(NODE) \
2685 (&OPTIMIZATION_NODE_CHECK (NODE)->optimization.opts)
2687 #define TREE_OPTIMIZATION_OPTABS(NODE) \
2688 (OPTIMIZATION_NODE_CHECK (NODE)->optimization.optabs)
2690 #define TREE_OPTIMIZATION_BASE_OPTABS(NODE) \
2691 (OPTIMIZATION_NODE_CHECK (NODE)->optimization.base_optabs)
2693 /* Return a tree node that encapsulates the optimization options in OPTS. */
2694 extern tree
build_optimization_node (struct gcc_options
*opts
);
2696 #define TREE_TARGET_OPTION(NODE) \
2697 (&TARGET_OPTION_NODE_CHECK (NODE)->target_option.opts)
2699 /* Return a tree node that encapsulates the target options in OPTS. */
2700 extern tree
build_target_option_node (struct gcc_options
*opts
);
2702 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
2705 tree_check (tree __t
, const char *__f
, int __l
, const char *__g
, tree_code __c
)
2707 if (TREE_CODE (__t
) != __c
)
2708 tree_check_failed (__t
, __f
, __l
, __g
, __c
, 0);
2713 tree_not_check (tree __t
, const char *__f
, int __l
, const char *__g
,
2716 if (TREE_CODE (__t
) == __c
)
2717 tree_not_check_failed (__t
, __f
, __l
, __g
, __c
, 0);
2722 tree_check2 (tree __t
, const char *__f
, int __l
, const char *__g
,
2723 enum tree_code __c1
, enum tree_code __c2
)
2725 if (TREE_CODE (__t
) != __c1
2726 && TREE_CODE (__t
) != __c2
)
2727 tree_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, 0);
2732 tree_not_check2 (tree __t
, const char *__f
, int __l
, const char *__g
,
2733 enum tree_code __c1
, enum tree_code __c2
)
2735 if (TREE_CODE (__t
) == __c1
2736 || TREE_CODE (__t
) == __c2
)
2737 tree_not_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, 0);
2742 tree_check3 (tree __t
, const char *__f
, int __l
, const char *__g
,
2743 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
)
2745 if (TREE_CODE (__t
) != __c1
2746 && TREE_CODE (__t
) != __c2
2747 && TREE_CODE (__t
) != __c3
)
2748 tree_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, 0);
2753 tree_not_check3 (tree __t
, const char *__f
, int __l
, const char *__g
,
2754 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
)
2756 if (TREE_CODE (__t
) == __c1
2757 || TREE_CODE (__t
) == __c2
2758 || TREE_CODE (__t
) == __c3
)
2759 tree_not_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, 0);
2764 tree_check4 (tree __t
, const char *__f
, int __l
, const char *__g
,
2765 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
,
2766 enum tree_code __c4
)
2768 if (TREE_CODE (__t
) != __c1
2769 && TREE_CODE (__t
) != __c2
2770 && TREE_CODE (__t
) != __c3
2771 && TREE_CODE (__t
) != __c4
)
2772 tree_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, __c4
, 0);
2777 tree_not_check4 (tree __t
, const char *__f
, int __l
, const char *__g
,
2778 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
,
2779 enum tree_code __c4
)
2781 if (TREE_CODE (__t
) == __c1
2782 || TREE_CODE (__t
) == __c2
2783 || TREE_CODE (__t
) == __c3
2784 || TREE_CODE (__t
) == __c4
)
2785 tree_not_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, __c4
, 0);
2790 tree_check5 (tree __t
, const char *__f
, int __l
, const char *__g
,
2791 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
,
2792 enum tree_code __c4
, enum tree_code __c5
)
2794 if (TREE_CODE (__t
) != __c1
2795 && TREE_CODE (__t
) != __c2
2796 && TREE_CODE (__t
) != __c3
2797 && TREE_CODE (__t
) != __c4
2798 && TREE_CODE (__t
) != __c5
)
2799 tree_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, __c4
, __c5
, 0);
2804 tree_not_check5 (tree __t
, const char *__f
, int __l
, const char *__g
,
2805 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
,
2806 enum tree_code __c4
, enum tree_code __c5
)
2808 if (TREE_CODE (__t
) == __c1
2809 || TREE_CODE (__t
) == __c2
2810 || TREE_CODE (__t
) == __c3
2811 || TREE_CODE (__t
) == __c4
2812 || TREE_CODE (__t
) == __c5
)
2813 tree_not_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, __c4
, __c5
, 0);
2818 contains_struct_check (tree __t
, const enum tree_node_structure_enum __s
,
2819 const char *__f
, int __l
, const char *__g
)
2821 if (tree_contains_struct
[TREE_CODE (__t
)][__s
] != 1)
2822 tree_contains_struct_check_failed (__t
, __s
, __f
, __l
, __g
);
2827 tree_class_check (tree __t
, const enum tree_code_class __class
,
2828 const char *__f
, int __l
, const char *__g
)
2830 if (TREE_CODE_CLASS (TREE_CODE (__t
)) != __class
)
2831 tree_class_check_failed (__t
, __class
, __f
, __l
, __g
);
2836 tree_range_check (tree __t
,
2837 enum tree_code __code1
, enum tree_code __code2
,
2838 const char *__f
, int __l
, const char *__g
)
2840 if (TREE_CODE (__t
) < __code1
|| TREE_CODE (__t
) > __code2
)
2841 tree_range_check_failed (__t
, __f
, __l
, __g
, __code1
, __code2
);
2846 omp_clause_subcode_check (tree __t
, enum omp_clause_code __code
,
2847 const char *__f
, int __l
, const char *__g
)
2849 if (TREE_CODE (__t
) != OMP_CLAUSE
)
2850 tree_check_failed (__t
, __f
, __l
, __g
, OMP_CLAUSE
, 0);
2851 if (__t
->omp_clause
.code
!= __code
)
2852 omp_clause_check_failed (__t
, __f
, __l
, __g
, __code
);
2857 omp_clause_range_check (tree __t
,
2858 enum omp_clause_code __code1
,
2859 enum omp_clause_code __code2
,
2860 const char *__f
, int __l
, const char *__g
)
2862 if (TREE_CODE (__t
) != OMP_CLAUSE
)
2863 tree_check_failed (__t
, __f
, __l
, __g
, OMP_CLAUSE
, 0);
2864 if ((int) __t
->omp_clause
.code
< (int) __code1
2865 || (int) __t
->omp_clause
.code
> (int) __code2
)
2866 omp_clause_range_check_failed (__t
, __f
, __l
, __g
, __code1
, __code2
);
2870 /* These checks have to be special cased. */
2873 expr_check (tree __t
, const char *__f
, int __l
, const char *__g
)
2875 char const __c
= TREE_CODE_CLASS (TREE_CODE (__t
));
2876 if (!IS_EXPR_CODE_CLASS (__c
))
2877 tree_class_check_failed (__t
, tcc_expression
, __f
, __l
, __g
);
2881 /* These checks have to be special cased. */
2884 non_type_check (tree __t
, const char *__f
, int __l
, const char *__g
)
2887 tree_not_class_check_failed (__t
, tcc_type
, __f
, __l
, __g
);
2892 tree_vec_elt_check (tree __t
, int __i
,
2893 const char *__f
, int __l
, const char *__g
)
2895 if (TREE_CODE (__t
) != TREE_VEC
)
2896 tree_check_failed (__t
, __f
, __l
, __g
, TREE_VEC
, 0);
2897 if (__i
< 0 || __i
>= __t
->base
.u
.length
)
2898 tree_vec_elt_check_failed (__i
, __t
->base
.u
.length
, __f
, __l
, __g
);
2899 return &CONST_CAST_TREE (__t
)->vec
.a
[__i
];
2903 omp_clause_elt_check (tree __t
, int __i
,
2904 const char *__f
, int __l
, const char *__g
)
2906 if (TREE_CODE (__t
) != OMP_CLAUSE
)
2907 tree_check_failed (__t
, __f
, __l
, __g
, OMP_CLAUSE
, 0);
2908 if (__i
< 0 || __i
>= omp_clause_num_ops
[__t
->omp_clause
.code
])
2909 omp_clause_operand_check_failed (__i
, __t
, __f
, __l
, __g
);
2910 return &__t
->omp_clause
.ops
[__i
];
2914 tree_check (const_tree __t
, const char *__f
, int __l
, const char *__g
,
2917 if (TREE_CODE (__t
) != __c
)
2918 tree_check_failed (__t
, __f
, __l
, __g
, __c
, 0);
2923 tree_not_check (const_tree __t
, const char *__f
, int __l
, const char *__g
,
2926 if (TREE_CODE (__t
) == __c
)
2927 tree_not_check_failed (__t
, __f
, __l
, __g
, __c
, 0);
2932 tree_check2 (const_tree __t
, const char *__f
, int __l
, const char *__g
,
2933 enum tree_code __c1
, enum tree_code __c2
)
2935 if (TREE_CODE (__t
) != __c1
2936 && TREE_CODE (__t
) != __c2
)
2937 tree_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, 0);
2942 tree_not_check2 (const_tree __t
, const char *__f
, int __l
, const char *__g
,
2943 enum tree_code __c1
, enum tree_code __c2
)
2945 if (TREE_CODE (__t
) == __c1
2946 || TREE_CODE (__t
) == __c2
)
2947 tree_not_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, 0);
2952 tree_check3 (const_tree __t
, const char *__f
, int __l
, const char *__g
,
2953 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
)
2955 if (TREE_CODE (__t
) != __c1
2956 && TREE_CODE (__t
) != __c2
2957 && TREE_CODE (__t
) != __c3
)
2958 tree_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, 0);
2963 tree_not_check3 (const_tree __t
, const char *__f
, int __l
, const char *__g
,
2964 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
)
2966 if (TREE_CODE (__t
) == __c1
2967 || TREE_CODE (__t
) == __c2
2968 || TREE_CODE (__t
) == __c3
)
2969 tree_not_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, 0);
2974 tree_check4 (const_tree __t
, const char *__f
, int __l
, const char *__g
,
2975 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
,
2976 enum tree_code __c4
)
2978 if (TREE_CODE (__t
) != __c1
2979 && TREE_CODE (__t
) != __c2
2980 && TREE_CODE (__t
) != __c3
2981 && TREE_CODE (__t
) != __c4
)
2982 tree_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, __c4
, 0);
2987 tree_not_check4 (const_tree __t
, const char *__f
, int __l
, const char *__g
,
2988 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
,
2989 enum tree_code __c4
)
2991 if (TREE_CODE (__t
) == __c1
2992 || TREE_CODE (__t
) == __c2
2993 || TREE_CODE (__t
) == __c3
2994 || TREE_CODE (__t
) == __c4
)
2995 tree_not_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, __c4
, 0);
3000 tree_check5 (const_tree __t
, const char *__f
, int __l
, const char *__g
,
3001 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
,
3002 enum tree_code __c4
, enum tree_code __c5
)
3004 if (TREE_CODE (__t
) != __c1
3005 && TREE_CODE (__t
) != __c2
3006 && TREE_CODE (__t
) != __c3
3007 && TREE_CODE (__t
) != __c4
3008 && TREE_CODE (__t
) != __c5
)
3009 tree_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, __c4
, __c5
, 0);
3014 tree_not_check5 (const_tree __t
, const char *__f
, int __l
, const char *__g
,
3015 enum tree_code __c1
, enum tree_code __c2
, enum tree_code __c3
,
3016 enum tree_code __c4
, enum tree_code __c5
)
3018 if (TREE_CODE (__t
) == __c1
3019 || TREE_CODE (__t
) == __c2
3020 || TREE_CODE (__t
) == __c3
3021 || TREE_CODE (__t
) == __c4
3022 || TREE_CODE (__t
) == __c5
)
3023 tree_not_check_failed (__t
, __f
, __l
, __g
, __c1
, __c2
, __c3
, __c4
, __c5
, 0);
3028 contains_struct_check (const_tree __t
, const enum tree_node_structure_enum __s
,
3029 const char *__f
, int __l
, const char *__g
)
3031 if (tree_contains_struct
[TREE_CODE (__t
)][__s
] != 1)
3032 tree_contains_struct_check_failed (__t
, __s
, __f
, __l
, __g
);
3037 tree_class_check (const_tree __t
, const enum tree_code_class __class
,
3038 const char *__f
, int __l
, const char *__g
)
3040 if (TREE_CODE_CLASS (TREE_CODE (__t
)) != __class
)
3041 tree_class_check_failed (__t
, __class
, __f
, __l
, __g
);
3046 tree_range_check (const_tree __t
,
3047 enum tree_code __code1
, enum tree_code __code2
,
3048 const char *__f
, int __l
, const char *__g
)
3050 if (TREE_CODE (__t
) < __code1
|| TREE_CODE (__t
) > __code2
)
3051 tree_range_check_failed (__t
, __f
, __l
, __g
, __code1
, __code2
);
3056 omp_clause_subcode_check (const_tree __t
, enum omp_clause_code __code
,
3057 const char *__f
, int __l
, const char *__g
)
3059 if (TREE_CODE (__t
) != OMP_CLAUSE
)
3060 tree_check_failed (__t
, __f
, __l
, __g
, OMP_CLAUSE
, 0);
3061 if (__t
->omp_clause
.code
!= __code
)
3062 omp_clause_check_failed (__t
, __f
, __l
, __g
, __code
);
3067 omp_clause_range_check (const_tree __t
,
3068 enum omp_clause_code __code1
,
3069 enum omp_clause_code __code2
,
3070 const char *__f
, int __l
, const char *__g
)
3072 if (TREE_CODE (__t
) != OMP_CLAUSE
)
3073 tree_check_failed (__t
, __f
, __l
, __g
, OMP_CLAUSE
, 0);
3074 if ((int) __t
->omp_clause
.code
< (int) __code1
3075 || (int) __t
->omp_clause
.code
> (int) __code2
)
3076 omp_clause_range_check_failed (__t
, __f
, __l
, __g
, __code1
, __code2
);
3081 expr_check (const_tree __t
, const char *__f
, int __l
, const char *__g
)
3083 char const __c
= TREE_CODE_CLASS (TREE_CODE (__t
));
3084 if (!IS_EXPR_CODE_CLASS (__c
))
3085 tree_class_check_failed (__t
, tcc_expression
, __f
, __l
, __g
);
3090 non_type_check (const_tree __t
, const char *__f
, int __l
, const char *__g
)
3093 tree_not_class_check_failed (__t
, tcc_type
, __f
, __l
, __g
);
3098 tree_vec_elt_check (const_tree __t
, int __i
,
3099 const char *__f
, int __l
, const char *__g
)
3101 if (TREE_CODE (__t
) != TREE_VEC
)
3102 tree_check_failed (__t
, __f
, __l
, __g
, TREE_VEC
, 0);
3103 if (__i
< 0 || __i
>= __t
->base
.u
.length
)
3104 tree_vec_elt_check_failed (__i
, __t
->base
.u
.length
, __f
, __l
, __g
);
3105 return CONST_CAST (const_tree
*, &__t
->vec
.a
[__i
]);
3106 //return &__t->vec.a[__i];
3110 omp_clause_elt_check (const_tree __t
, int __i
,
3111 const char *__f
, int __l
, const char *__g
)
3113 if (TREE_CODE (__t
) != OMP_CLAUSE
)
3114 tree_check_failed (__t
, __f
, __l
, __g
, OMP_CLAUSE
, 0);
3115 if (__i
< 0 || __i
>= omp_clause_num_ops
[__t
->omp_clause
.code
])
3116 omp_clause_operand_check_failed (__i
, __t
, __f
, __l
, __g
);
3117 return CONST_CAST (const_tree
*, &__t
->omp_clause
.ops
[__i
]);
3122 /* Compute the number of operands in an expression node NODE. For
3123 tcc_vl_exp nodes like CALL_EXPRs, this is stored in the node itself,
3124 otherwise it is looked up from the node's code. */
3126 tree_operand_length (const_tree node
)
3128 if (VL_EXP_CLASS_P (node
))
3129 return VL_EXP_OPERAND_LENGTH (node
);
3131 return TREE_CODE_LENGTH (TREE_CODE (node
));
3134 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
3136 /* Special checks for TREE_OPERANDs. */
3138 tree_operand_check (tree __t
, int __i
,
3139 const char *__f
, int __l
, const char *__g
)
3141 const_tree __u
= EXPR_CHECK (__t
);
3142 if (__i
< 0 || __i
>= TREE_OPERAND_LENGTH (__u
))
3143 tree_operand_check_failed (__i
, __u
, __f
, __l
, __g
);
3144 return &CONST_CAST_TREE (__u
)->exp
.operands
[__i
];
3148 tree_operand_check_code (tree __t
, enum tree_code __code
, int __i
,
3149 const char *__f
, int __l
, const char *__g
)
3151 if (TREE_CODE (__t
) != __code
)
3152 tree_check_failed (__t
, __f
, __l
, __g
, __code
, 0);
3153 if (__i
< 0 || __i
>= TREE_OPERAND_LENGTH (__t
))
3154 tree_operand_check_failed (__i
, __t
, __f
, __l
, __g
);
3155 return &__t
->exp
.operands
[__i
];
3159 tree_operand_check (const_tree __t
, int __i
,
3160 const char *__f
, int __l
, const char *__g
)
3162 const_tree __u
= EXPR_CHECK (__t
);
3163 if (__i
< 0 || __i
>= TREE_OPERAND_LENGTH (__u
))
3164 tree_operand_check_failed (__i
, __u
, __f
, __l
, __g
);
3165 return CONST_CAST (const_tree
*, &__u
->exp
.operands
[__i
]);
3169 tree_operand_check_code (const_tree __t
, enum tree_code __code
, int __i
,
3170 const char *__f
, int __l
, const char *__g
)
3172 if (TREE_CODE (__t
) != __code
)
3173 tree_check_failed (__t
, __f
, __l
, __g
, __code
, 0);
3174 if (__i
< 0 || __i
>= TREE_OPERAND_LENGTH (__t
))
3175 tree_operand_check_failed (__i
, __t
, __f
, __l
, __g
);
3176 return CONST_CAST (const_tree
*, &__t
->exp
.operands
[__i
]);
3181 #define error_mark_node global_trees[TI_ERROR_MARK]
3183 #define intQI_type_node global_trees[TI_INTQI_TYPE]
3184 #define intHI_type_node global_trees[TI_INTHI_TYPE]
3185 #define intSI_type_node global_trees[TI_INTSI_TYPE]
3186 #define intDI_type_node global_trees[TI_INTDI_TYPE]
3187 #define intTI_type_node global_trees[TI_INTTI_TYPE]
3189 #define unsigned_intQI_type_node global_trees[TI_UINTQI_TYPE]
3190 #define unsigned_intHI_type_node global_trees[TI_UINTHI_TYPE]
3191 #define unsigned_intSI_type_node global_trees[TI_UINTSI_TYPE]
3192 #define unsigned_intDI_type_node global_trees[TI_UINTDI_TYPE]
3193 #define unsigned_intTI_type_node global_trees[TI_UINTTI_TYPE]
3195 #define atomicQI_type_node global_trees[TI_ATOMICQI_TYPE]
3196 #define atomicHI_type_node global_trees[TI_ATOMICHI_TYPE]
3197 #define atomicSI_type_node global_trees[TI_ATOMICSI_TYPE]
3198 #define atomicDI_type_node global_trees[TI_ATOMICDI_TYPE]
3199 #define atomicTI_type_node global_trees[TI_ATOMICTI_TYPE]
3201 #define uint16_type_node global_trees[TI_UINT16_TYPE]
3202 #define uint32_type_node global_trees[TI_UINT32_TYPE]
3203 #define uint64_type_node global_trees[TI_UINT64_TYPE]
3205 #define integer_zero_node global_trees[TI_INTEGER_ZERO]
3206 #define integer_one_node global_trees[TI_INTEGER_ONE]
3207 #define integer_three_node global_trees[TI_INTEGER_THREE]
3208 #define integer_minus_one_node global_trees[TI_INTEGER_MINUS_ONE]
3209 #define size_zero_node global_trees[TI_SIZE_ZERO]
3210 #define size_one_node global_trees[TI_SIZE_ONE]
3211 #define bitsize_zero_node global_trees[TI_BITSIZE_ZERO]
3212 #define bitsize_one_node global_trees[TI_BITSIZE_ONE]
3213 #define bitsize_unit_node global_trees[TI_BITSIZE_UNIT]
3215 /* Base access nodes. */
3216 #define access_public_node global_trees[TI_PUBLIC]
3217 #define access_protected_node global_trees[TI_PROTECTED]
3218 #define access_private_node global_trees[TI_PRIVATE]
3220 #define null_pointer_node global_trees[TI_NULL_POINTER]
3222 #define float_type_node global_trees[TI_FLOAT_TYPE]
3223 #define double_type_node global_trees[TI_DOUBLE_TYPE]
3224 #define long_double_type_node global_trees[TI_LONG_DOUBLE_TYPE]
3226 #define float_ptr_type_node global_trees[TI_FLOAT_PTR_TYPE]
3227 #define double_ptr_type_node global_trees[TI_DOUBLE_PTR_TYPE]
3228 #define long_double_ptr_type_node global_trees[TI_LONG_DOUBLE_PTR_TYPE]
3229 #define integer_ptr_type_node global_trees[TI_INTEGER_PTR_TYPE]
3231 #define complex_integer_type_node global_trees[TI_COMPLEX_INTEGER_TYPE]
3232 #define complex_float_type_node global_trees[TI_COMPLEX_FLOAT_TYPE]
3233 #define complex_double_type_node global_trees[TI_COMPLEX_DOUBLE_TYPE]
3234 #define complex_long_double_type_node global_trees[TI_COMPLEX_LONG_DOUBLE_TYPE]
3236 #define pointer_bounds_type_node global_trees[TI_POINTER_BOUNDS_TYPE]
3238 #define void_type_node global_trees[TI_VOID_TYPE]
3239 /* The C type `void *'. */
3240 #define ptr_type_node global_trees[TI_PTR_TYPE]
3241 /* The C type `const void *'. */
3242 #define const_ptr_type_node global_trees[TI_CONST_PTR_TYPE]
3243 /* The C type `size_t'. */
3244 #define size_type_node global_trees[TI_SIZE_TYPE]
3245 #define pid_type_node global_trees[TI_PID_TYPE]
3246 #define ptrdiff_type_node global_trees[TI_PTRDIFF_TYPE]
3247 #define va_list_type_node global_trees[TI_VA_LIST_TYPE]
3248 #define va_list_gpr_counter_field global_trees[TI_VA_LIST_GPR_COUNTER_FIELD]
3249 #define va_list_fpr_counter_field global_trees[TI_VA_LIST_FPR_COUNTER_FIELD]
3250 /* The C type `FILE *'. */
3251 #define fileptr_type_node global_trees[TI_FILEPTR_TYPE]
3252 #define pointer_sized_int_node global_trees[TI_POINTER_SIZED_TYPE]
3254 #define boolean_type_node global_trees[TI_BOOLEAN_TYPE]
3255 #define boolean_false_node global_trees[TI_BOOLEAN_FALSE]
3256 #define boolean_true_node global_trees[TI_BOOLEAN_TRUE]
3258 /* The decimal floating point types. */
3259 #define dfloat32_type_node global_trees[TI_DFLOAT32_TYPE]
3260 #define dfloat64_type_node global_trees[TI_DFLOAT64_TYPE]
3261 #define dfloat128_type_node global_trees[TI_DFLOAT128_TYPE]
3262 #define dfloat32_ptr_type_node global_trees[TI_DFLOAT32_PTR_TYPE]
3263 #define dfloat64_ptr_type_node global_trees[TI_DFLOAT64_PTR_TYPE]
3264 #define dfloat128_ptr_type_node global_trees[TI_DFLOAT128_PTR_TYPE]
3266 /* The fixed-point types. */
3267 #define sat_short_fract_type_node global_trees[TI_SAT_SFRACT_TYPE]
3268 #define sat_fract_type_node global_trees[TI_SAT_FRACT_TYPE]
3269 #define sat_long_fract_type_node global_trees[TI_SAT_LFRACT_TYPE]
3270 #define sat_long_long_fract_type_node global_trees[TI_SAT_LLFRACT_TYPE]
3271 #define sat_unsigned_short_fract_type_node \
3272 global_trees[TI_SAT_USFRACT_TYPE]
3273 #define sat_unsigned_fract_type_node global_trees[TI_SAT_UFRACT_TYPE]
3274 #define sat_unsigned_long_fract_type_node \
3275 global_trees[TI_SAT_ULFRACT_TYPE]
3276 #define sat_unsigned_long_long_fract_type_node \
3277 global_trees[TI_SAT_ULLFRACT_TYPE]
3278 #define short_fract_type_node global_trees[TI_SFRACT_TYPE]
3279 #define fract_type_node global_trees[TI_FRACT_TYPE]
3280 #define long_fract_type_node global_trees[TI_LFRACT_TYPE]
3281 #define long_long_fract_type_node global_trees[TI_LLFRACT_TYPE]
3282 #define unsigned_short_fract_type_node global_trees[TI_USFRACT_TYPE]
3283 #define unsigned_fract_type_node global_trees[TI_UFRACT_TYPE]
3284 #define unsigned_long_fract_type_node global_trees[TI_ULFRACT_TYPE]
3285 #define unsigned_long_long_fract_type_node \
3286 global_trees[TI_ULLFRACT_TYPE]
3287 #define sat_short_accum_type_node global_trees[TI_SAT_SACCUM_TYPE]
3288 #define sat_accum_type_node global_trees[TI_SAT_ACCUM_TYPE]
3289 #define sat_long_accum_type_node global_trees[TI_SAT_LACCUM_TYPE]
3290 #define sat_long_long_accum_type_node global_trees[TI_SAT_LLACCUM_TYPE]
3291 #define sat_unsigned_short_accum_type_node \
3292 global_trees[TI_SAT_USACCUM_TYPE]
3293 #define sat_unsigned_accum_type_node global_trees[TI_SAT_UACCUM_TYPE]
3294 #define sat_unsigned_long_accum_type_node \
3295 global_trees[TI_SAT_ULACCUM_TYPE]
3296 #define sat_unsigned_long_long_accum_type_node \
3297 global_trees[TI_SAT_ULLACCUM_TYPE]
3298 #define short_accum_type_node global_trees[TI_SACCUM_TYPE]
3299 #define accum_type_node global_trees[TI_ACCUM_TYPE]
3300 #define long_accum_type_node global_trees[TI_LACCUM_TYPE]
3301 #define long_long_accum_type_node global_trees[TI_LLACCUM_TYPE]
3302 #define unsigned_short_accum_type_node global_trees[TI_USACCUM_TYPE]
3303 #define unsigned_accum_type_node global_trees[TI_UACCUM_TYPE]
3304 #define unsigned_long_accum_type_node global_trees[TI_ULACCUM_TYPE]
3305 #define unsigned_long_long_accum_type_node \
3306 global_trees[TI_ULLACCUM_TYPE]
3307 #define qq_type_node global_trees[TI_QQ_TYPE]
3308 #define hq_type_node global_trees[TI_HQ_TYPE]
3309 #define sq_type_node global_trees[TI_SQ_TYPE]
3310 #define dq_type_node global_trees[TI_DQ_TYPE]
3311 #define tq_type_node global_trees[TI_TQ_TYPE]
3312 #define uqq_type_node global_trees[TI_UQQ_TYPE]
3313 #define uhq_type_node global_trees[TI_UHQ_TYPE]
3314 #define usq_type_node global_trees[TI_USQ_TYPE]
3315 #define udq_type_node global_trees[TI_UDQ_TYPE]
3316 #define utq_type_node global_trees[TI_UTQ_TYPE]
3317 #define sat_qq_type_node global_trees[TI_SAT_QQ_TYPE]
3318 #define sat_hq_type_node global_trees[TI_SAT_HQ_TYPE]
3319 #define sat_sq_type_node global_trees[TI_SAT_SQ_TYPE]
3320 #define sat_dq_type_node global_trees[TI_SAT_DQ_TYPE]
3321 #define sat_tq_type_node global_trees[TI_SAT_TQ_TYPE]
3322 #define sat_uqq_type_node global_trees[TI_SAT_UQQ_TYPE]
3323 #define sat_uhq_type_node global_trees[TI_SAT_UHQ_TYPE]
3324 #define sat_usq_type_node global_trees[TI_SAT_USQ_TYPE]
3325 #define sat_udq_type_node global_trees[TI_SAT_UDQ_TYPE]
3326 #define sat_utq_type_node global_trees[TI_SAT_UTQ_TYPE]
3327 #define ha_type_node global_trees[TI_HA_TYPE]
3328 #define sa_type_node global_trees[TI_SA_TYPE]
3329 #define da_type_node global_trees[TI_DA_TYPE]
3330 #define ta_type_node global_trees[TI_TA_TYPE]
3331 #define uha_type_node global_trees[TI_UHA_TYPE]
3332 #define usa_type_node global_trees[TI_USA_TYPE]
3333 #define uda_type_node global_trees[TI_UDA_TYPE]
3334 #define uta_type_node global_trees[TI_UTA_TYPE]
3335 #define sat_ha_type_node global_trees[TI_SAT_HA_TYPE]
3336 #define sat_sa_type_node global_trees[TI_SAT_SA_TYPE]
3337 #define sat_da_type_node global_trees[TI_SAT_DA_TYPE]
3338 #define sat_ta_type_node global_trees[TI_SAT_TA_TYPE]
3339 #define sat_uha_type_node global_trees[TI_SAT_UHA_TYPE]
3340 #define sat_usa_type_node global_trees[TI_SAT_USA_TYPE]
3341 #define sat_uda_type_node global_trees[TI_SAT_UDA_TYPE]
3342 #define sat_uta_type_node global_trees[TI_SAT_UTA_TYPE]
3344 /* The node that should be placed at the end of a parameter list to
3345 indicate that the function does not take a variable number of
3346 arguments. The TREE_VALUE will be void_type_node and there will be
3347 no TREE_CHAIN. Language-independent code should not assume
3348 anything else about this node. */
3349 #define void_list_node global_trees[TI_VOID_LIST_NODE]
3351 #define main_identifier_node global_trees[TI_MAIN_IDENTIFIER]
3352 #define MAIN_NAME_P(NODE) \
3353 (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
3355 /* Optimization options (OPTIMIZATION_NODE) to use for default and current
3357 #define optimization_default_node global_trees[TI_OPTIMIZATION_DEFAULT]
3358 #define optimization_current_node global_trees[TI_OPTIMIZATION_CURRENT]
3360 /* Default/current target options (TARGET_OPTION_NODE). */
3361 #define target_option_default_node global_trees[TI_TARGET_OPTION_DEFAULT]
3362 #define target_option_current_node global_trees[TI_TARGET_OPTION_CURRENT]
3364 /* Default tree list option(), optimize() pragmas to be linked into the
3366 #define current_target_pragma global_trees[TI_CURRENT_TARGET_PRAGMA]
3367 #define current_optimize_pragma global_trees[TI_CURRENT_OPTIMIZE_PRAGMA]
3369 #define char_type_node integer_types[itk_char]
3370 #define signed_char_type_node integer_types[itk_signed_char]
3371 #define unsigned_char_type_node integer_types[itk_unsigned_char]
3372 #define short_integer_type_node integer_types[itk_short]
3373 #define short_unsigned_type_node integer_types[itk_unsigned_short]
3374 #define integer_type_node integer_types[itk_int]
3375 #define unsigned_type_node integer_types[itk_unsigned_int]
3376 #define long_integer_type_node integer_types[itk_long]
3377 #define long_unsigned_type_node integer_types[itk_unsigned_long]
3378 #define long_long_integer_type_node integer_types[itk_long_long]
3379 #define long_long_unsigned_type_node integer_types[itk_unsigned_long_long]
3380 #define int128_integer_type_node integer_types[itk_int128]
3381 #define int128_unsigned_type_node integer_types[itk_unsigned_int128]
3383 #define NULL_TREE (tree) NULL
3385 /* True if NODE is an erroneous expression. */
3387 #define error_operand_p(NODE) \
3388 ((NODE) == error_mark_node \
3389 || ((NODE) && TREE_TYPE ((NODE)) == error_mark_node))
3391 extern tree
decl_assembler_name (tree
);
3393 /* Compute the number of bytes occupied by 'node'. This routine only
3394 looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH. */
3396 extern size_t tree_size (const_tree
);
3398 /* Compute the number of bytes occupied by a tree with code CODE. This
3399 function cannot be used for TREE_VEC codes, which are of variable
3401 extern size_t tree_code_size (enum tree_code
);
3403 /* Allocate and return a new UID from the DECL_UID namespace. */
3404 extern int allocate_decl_uid (void);
3406 /* Lowest level primitive for allocating a node.
3407 The TREE_CODE is the only argument. Contents are initialized
3408 to zero except for a few of the common fields. */
3410 extern tree
make_node_stat (enum tree_code MEM_STAT_DECL
);
3411 #define make_node(t) make_node_stat (t MEM_STAT_INFO)
3413 /* Make a copy of a node, with all the same contents. */
3415 extern tree
copy_node_stat (tree MEM_STAT_DECL
);
3416 #define copy_node(t) copy_node_stat (t MEM_STAT_INFO)
3418 /* Make a copy of a chain of TREE_LIST nodes. */
3420 extern tree
copy_list (tree
);
3422 /* Make a CASE_LABEL_EXPR. */
3424 extern tree
build_case_label (tree
, tree
, tree
);
3427 extern tree
make_tree_binfo_stat (unsigned MEM_STAT_DECL
);
3428 #define make_tree_binfo(t) make_tree_binfo_stat (t MEM_STAT_INFO)
3430 /* Make a TREE_VEC. */
3432 extern tree
make_tree_vec_stat (int MEM_STAT_DECL
);
3433 #define make_tree_vec(t) make_tree_vec_stat (t MEM_STAT_INFO)
3435 /* Grow a TREE_VEC. */
3437 extern tree
grow_tree_vec_stat (tree v
, int MEM_STAT_DECL
);
3438 #define grow_tree_vec(v, t) grow_tree_vec_stat (v, t MEM_STAT_INFO)
3440 /* Construct various types of nodes. */
3442 extern tree
build_nt (enum tree_code
, ...);
3443 extern tree
build_nt_call_vec (tree
, vec
<tree
, va_gc
> *);
3445 extern tree
build0_stat (enum tree_code
, tree MEM_STAT_DECL
);
3446 #define build0(c,t) build0_stat (c,t MEM_STAT_INFO)
3447 extern tree
build1_stat (enum tree_code
, tree
, tree MEM_STAT_DECL
);
3448 #define build1(c,t1,t2) build1_stat (c,t1,t2 MEM_STAT_INFO)
3449 extern tree
build2_stat (enum tree_code
, tree
, tree
, tree MEM_STAT_DECL
);
3450 #define build2(c,t1,t2,t3) build2_stat (c,t1,t2,t3 MEM_STAT_INFO)
3451 extern tree
build3_stat (enum tree_code
, tree
, tree
, tree
, tree MEM_STAT_DECL
);
3452 #define build3(c,t1,t2,t3,t4) build3_stat (c,t1,t2,t3,t4 MEM_STAT_INFO)
3453 extern tree
build4_stat (enum tree_code
, tree
, tree
, tree
, tree
,
3454 tree MEM_STAT_DECL
);
3455 #define build4(c,t1,t2,t3,t4,t5) build4_stat (c,t1,t2,t3,t4,t5 MEM_STAT_INFO)
3456 extern tree
build5_stat (enum tree_code
, tree
, tree
, tree
, tree
, tree
,
3457 tree MEM_STAT_DECL
);
3458 #define build5(c,t1,t2,t3,t4,t5,t6) build5_stat (c,t1,t2,t3,t4,t5,t6 MEM_STAT_INFO)
3460 /* _loc versions of build[1-5]. */
3463 build1_stat_loc (location_t loc
, enum tree_code code
, tree type
,
3464 tree arg1 MEM_STAT_DECL
)
3466 tree t
= build1_stat (code
, type
, arg1 PASS_MEM_STAT
);
3467 if (CAN_HAVE_LOCATION_P (t
))
3468 SET_EXPR_LOCATION (t
, loc
);
3471 #define build1_loc(l,c,t1,t2) build1_stat_loc (l,c,t1,t2 MEM_STAT_INFO)
3474 build2_stat_loc (location_t loc
, enum tree_code code
, tree type
, tree arg0
,
3475 tree arg1 MEM_STAT_DECL
)
3477 tree t
= build2_stat (code
, type
, arg0
, arg1 PASS_MEM_STAT
);
3478 if (CAN_HAVE_LOCATION_P (t
))
3479 SET_EXPR_LOCATION (t
, loc
);
3482 #define build2_loc(l,c,t1,t2,t3) build2_stat_loc (l,c,t1,t2,t3 MEM_STAT_INFO)
3485 build3_stat_loc (location_t loc
, enum tree_code code
, tree type
, tree arg0
,
3486 tree arg1
, tree arg2 MEM_STAT_DECL
)
3488 tree t
= build3_stat (code
, type
, arg0
, arg1
, arg2 PASS_MEM_STAT
);
3489 if (CAN_HAVE_LOCATION_P (t
))
3490 SET_EXPR_LOCATION (t
, loc
);
3493 #define build3_loc(l,c,t1,t2,t3,t4) \
3494 build3_stat_loc (l,c,t1,t2,t3,t4 MEM_STAT_INFO)
3497 build4_stat_loc (location_t loc
, enum tree_code code
, tree type
, tree arg0
,
3498 tree arg1
, tree arg2
, tree arg3 MEM_STAT_DECL
)
3500 tree t
= build4_stat (code
, type
, arg0
, arg1
, arg2
, arg3 PASS_MEM_STAT
);
3501 if (CAN_HAVE_LOCATION_P (t
))
3502 SET_EXPR_LOCATION (t
, loc
);
3505 #define build4_loc(l,c,t1,t2,t3,t4,t5) \
3506 build4_stat_loc (l,c,t1,t2,t3,t4,t5 MEM_STAT_INFO)
3509 build5_stat_loc (location_t loc
, enum tree_code code
, tree type
, tree arg0
,
3510 tree arg1
, tree arg2
, tree arg3
, tree arg4 MEM_STAT_DECL
)
3512 tree t
= build5_stat (code
, type
, arg0
, arg1
, arg2
, arg3
,
3513 arg4 PASS_MEM_STAT
);
3514 if (CAN_HAVE_LOCATION_P (t
))
3515 SET_EXPR_LOCATION (t
, loc
);
3518 #define build5_loc(l,c,t1,t2,t3,t4,t5,t6) \
3519 build5_stat_loc (l,c,t1,t2,t3,t4,t5,t6 MEM_STAT_INFO)
3521 extern tree
build_var_debug_value_stat (tree
, tree MEM_STAT_DECL
);
3522 #define build_var_debug_value(t1,t2) \
3523 build_var_debug_value_stat (t1,t2 MEM_STAT_INFO)
3525 /* Constructs double_int from tree CST. */
3527 static inline double_int
3528 tree_to_double_int (const_tree cst
)
3530 return TREE_INT_CST (cst
);
3533 extern tree
double_int_to_tree (tree
, double_int
);
3534 extern bool double_int_fits_to_tree_p (const_tree
, double_int
);
3535 extern tree
force_fit_type_double (tree
, double_int
, int, bool);
3537 /* Create an INT_CST node with a CST value zero extended. */
3540 build_int_cstu (tree type
, unsigned HOST_WIDE_INT cst
)
3542 return double_int_to_tree (type
, double_int::from_uhwi (cst
));
3545 extern tree
build_int_cst (tree
, HOST_WIDE_INT
);
3546 extern tree
build_int_cst_type (tree
, HOST_WIDE_INT
);
3547 extern tree
build_int_cst_wide (tree
, unsigned HOST_WIDE_INT
, HOST_WIDE_INT
);
3548 extern tree
make_vector_stat (unsigned MEM_STAT_DECL
);
3549 #define make_vector(n) make_vector_stat (n MEM_STAT_INFO)
3550 extern tree
build_vector_stat (tree
, tree
* MEM_STAT_DECL
);
3551 #define build_vector(t,v) build_vector_stat (t, v MEM_STAT_INFO)
3552 extern tree
build_vector_from_ctor (tree
, vec
<constructor_elt
, va_gc
> *);
3553 extern tree
build_vector_from_val (tree
, tree
);
3554 extern tree
build_constructor (tree
, vec
<constructor_elt
, va_gc
> *);
3555 extern tree
build_constructor_single (tree
, tree
, tree
);
3556 extern tree
build_constructor_from_list (tree
, tree
);
3557 extern tree
build_constructor_va (tree
, int, ...);
3558 extern tree
build_real_from_int_cst (tree
, const_tree
);
3559 extern tree
build_complex (tree
, tree
, tree
);
3560 extern tree
build_one_cst (tree
);
3561 extern tree
build_minus_one_cst (tree
);
3562 extern tree
build_all_ones_cst (tree
);
3563 extern tree
build_zero_cst (tree
);
3564 extern tree
build_string (int, const char *);
3565 extern tree
build_tree_list_stat (tree
, tree MEM_STAT_DECL
);
3566 #define build_tree_list(t, q) build_tree_list_stat (t, q MEM_STAT_INFO)
3567 extern tree
build_tree_list_vec_stat (const vec
<tree
, va_gc
> *MEM_STAT_DECL
);
3568 #define build_tree_list_vec(v) build_tree_list_vec_stat (v MEM_STAT_INFO)
3569 extern tree
build_decl_stat (location_t
, enum tree_code
,
3570 tree
, tree MEM_STAT_DECL
);
3571 extern tree
build_fn_decl (const char *, tree
);
3572 #define build_decl(l,c,t,q) build_decl_stat (l, c, t, q MEM_STAT_INFO)
3573 extern tree
build_translation_unit_decl (tree
);
3574 extern tree
build_block (tree
, tree
, tree
, tree
);
3575 extern tree
build_empty_stmt (location_t
);
3576 extern tree
build_omp_clause (location_t
, enum omp_clause_code
);
3578 extern tree
build_vl_exp_stat (enum tree_code
, int MEM_STAT_DECL
);
3579 #define build_vl_exp(c, n) build_vl_exp_stat (c, n MEM_STAT_INFO)
3581 extern tree
build_call_nary (tree
, tree
, int, ...);
3582 extern tree
build_call_valist (tree
, tree
, int, va_list);
3583 #define build_call_array(T1,T2,N,T3)\
3584 build_call_array_loc (UNKNOWN_LOCATION, T1, T2, N, T3)
3585 extern tree
build_call_array_loc (location_t
, tree
, tree
, int, const tree
*);
3586 extern tree
build_call_vec (tree
, tree
, vec
<tree
, va_gc
> *);
3588 /* Construct various nodes representing data types. */
3590 extern tree
signed_or_unsigned_type_for (int, tree
);
3591 extern tree
signed_type_for (tree
);
3592 extern tree
unsigned_type_for (tree
);
3593 extern tree
truth_type_for (tree
);
3594 extern tree
build_pointer_type_for_mode (tree
, enum machine_mode
, bool);
3595 extern tree
build_pointer_type (tree
);
3596 extern tree
build_reference_type_for_mode (tree
, enum machine_mode
, bool);
3597 extern tree
build_reference_type (tree
);
3598 extern tree
build_vector_type_for_mode (tree
, enum machine_mode
);
3599 extern tree
build_vector_type (tree innertype
, int nunits
);
3600 extern tree
build_opaque_vector_type (tree innertype
, int nunits
);
3601 extern tree
build_index_type (tree
);
3602 extern tree
build_array_type (tree
, tree
);
3603 extern tree
build_nonshared_array_type (tree
, tree
);
3604 extern tree
build_array_type_nelts (tree
, unsigned HOST_WIDE_INT
);
3605 extern tree
build_function_type (tree
, tree
);
3606 extern tree
build_function_type_list (tree
, ...);
3607 extern tree
build_varargs_function_type_list (tree
, ...);
3608 extern tree
build_function_type_array (tree
, int, tree
*);
3609 extern tree
build_varargs_function_type_array (tree
, int, tree
*);
3610 #define build_function_type_vec(RET, V) \
3611 build_function_type_array (RET, vec_safe_length (V), vec_safe_address (V))
3612 #define build_varargs_function_type_vec(RET, V) \
3613 build_varargs_function_type_array (RET, vec_safe_length (V), \
3614 vec_safe_address (V))
3615 extern tree
build_method_type_directly (tree
, tree
, tree
);
3616 extern tree
build_method_type (tree
, tree
);
3617 extern tree
build_offset_type (tree
, tree
);
3618 extern tree
build_complex_type (tree
);
3619 extern tree
array_type_nelts (const_tree
);
3621 extern tree
value_member (tree
, tree
);
3622 extern tree
purpose_member (const_tree
, tree
);
3623 extern bool vec_member (const_tree
, vec
<tree
, va_gc
> *);
3624 extern tree
chain_index (int, tree
);
3626 extern int attribute_list_equal (const_tree
, const_tree
);
3627 extern int attribute_list_contained (const_tree
, const_tree
);
3628 extern int tree_int_cst_equal (const_tree
, const_tree
);
3629 extern int tree_int_cst_lt (const_tree
, const_tree
);
3630 extern int tree_int_cst_compare (const_tree
, const_tree
);
3631 extern bool tree_fits_shwi_p (const_tree
)
3632 #ifndef ENABLE_TREE_CHECKING
3633 ATTRIBUTE_PURE
/* tree_fits_shwi_p is pure only when checking is disabled. */
3636 extern bool tree_fits_uhwi_p (const_tree
)
3637 #ifndef ENABLE_TREE_CHECKING
3638 ATTRIBUTE_PURE
/* tree_fits_uhwi_p is pure only when checking is disabled. */
3641 extern HOST_WIDE_INT
tree_to_shwi (const_tree
);
3642 extern unsigned HOST_WIDE_INT
tree_to_uhwi (const_tree
);
3643 #if !defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 4003)
3644 extern inline __attribute__ ((__gnu_inline__
)) HOST_WIDE_INT
3645 tree_to_shwi (const_tree t
)
3647 gcc_assert (tree_fits_shwi_p (t
));
3648 return TREE_INT_CST_LOW (t
);
3651 extern inline __attribute__ ((__gnu_inline__
)) unsigned HOST_WIDE_INT
3652 tree_to_uhwi (const_tree t
)
3654 gcc_assert (tree_fits_uhwi_p (t
));
3655 return TREE_INT_CST_LOW (t
);
3658 extern int tree_int_cst_sgn (const_tree
);
3659 extern int tree_int_cst_sign_bit (const_tree
);
3660 extern unsigned int tree_int_cst_min_precision (tree
, bool);
3661 extern tree
strip_array_types (tree
);
3662 extern tree
excess_precision_type (tree
);
3663 extern bool valid_constant_size_p (const_tree
);
3666 /* From expmed.c. Since rtl.h is included after tree.h, we can't
3667 put the prototype here. Rtl.h does declare the prototype if
3668 tree.h had been included. */
3670 extern tree
make_tree (tree
, rtx
);
3672 /* Return a type like TTYPE except that its TYPE_ATTRIBUTES
3675 Such modified types already made are recorded so that duplicates
3678 extern tree
build_type_attribute_variant (tree
, tree
);
3679 extern tree
build_decl_attribute_variant (tree
, tree
);
3680 extern tree
build_type_attribute_qual_variant (tree
, tree
, int);
3682 /* Return 0 if the attributes for two types are incompatible, 1 if they
3683 are compatible, and 2 if they are nearly compatible (which causes a
3684 warning to be generated). */
3685 extern int comp_type_attributes (const_tree
, const_tree
);
3687 /* Default versions of target-overridable functions. */
3688 extern tree
merge_decl_attributes (tree
, tree
);
3689 extern tree
merge_type_attributes (tree
, tree
);
3691 /* This function is a private implementation detail of lookup_attribute()
3692 and you should never call it directly. */
3693 extern tree
private_lookup_attribute (const char *, size_t, tree
);
3695 /* Given an attribute name ATTR_NAME and a list of attributes LIST,
3696 return a pointer to the attribute's list element if the attribute
3697 is part of the list, or NULL_TREE if not found. If the attribute
3698 appears more than once, this only returns the first occurrence; the
3699 TREE_CHAIN of the return value should be passed back in if further
3700 occurrences are wanted. ATTR_NAME must be in the form 'text' (not
3704 lookup_attribute (const char *attr_name
, tree list
)
3706 gcc_checking_assert (attr_name
[0] != '_');
3707 /* In most cases, list is NULL_TREE. */
3708 if (list
== NULL_TREE
)
3711 /* Do the strlen() before calling the out-of-line implementation.
3712 In most cases attr_name is a string constant, and the compiler
3713 will optimize the strlen() away. */
3714 return private_lookup_attribute (attr_name
, strlen (attr_name
), list
);
3717 /* This function is a private implementation detail of
3718 is_attribute_p() and you should never call it directly. */
3719 extern bool private_is_attribute_p (const char *, size_t, const_tree
);
3721 /* Given an identifier node IDENT and a string ATTR_NAME, return true
3722 if the identifier node is a valid attribute name for the string.
3723 ATTR_NAME must be in the form 'text' (not '__text__'). IDENT could
3724 be the identifier for 'text' or for '__text__'. */
3727 is_attribute_p (const char *attr_name
, const_tree ident
)
3729 gcc_checking_assert (attr_name
[0] != '_');
3730 /* Do the strlen() before calling the out-of-line implementation.
3731 In most cases attr_name is a string constant, and the compiler
3732 will optimize the strlen() away. */
3733 return private_is_attribute_p (attr_name
, strlen (attr_name
), ident
);
3736 /* Remove any instances of attribute ATTR_NAME in LIST and return the
3737 modified list. ATTR_NAME must be in the form 'text' (not
3740 extern tree
remove_attribute (const char *, tree
);
3742 /* Given two attributes lists, return a list of their union. */
3744 extern tree
merge_attributes (tree
, tree
);
3746 #if TARGET_DLLIMPORT_DECL_ATTRIBUTES
3747 /* Given two Windows decl attributes lists, possibly including
3748 dllimport, return a list of their union . */
3749 extern tree
merge_dllimport_decl_attributes (tree
, tree
);
3751 /* Handle a "dllimport" or "dllexport" attribute. */
3752 extern tree
handle_dll_attribute (tree
*, tree
, tree
, int, bool *);
3755 /* Check whether CAND is suitable to be returned from get_qualified_type
3756 (BASE, TYPE_QUALS). */
3758 extern bool check_qualified_type (const_tree
, const_tree
, int);
3760 /* Return a version of the TYPE, qualified as indicated by the
3761 TYPE_QUALS, if one exists. If no qualified version exists yet,
3762 return NULL_TREE. */
3764 extern tree
get_qualified_type (tree
, int);
3766 /* Like get_qualified_type, but creates the type if it does not
3767 exist. This function never returns NULL_TREE. */
3769 extern tree
build_qualified_type (tree
, int);
3771 /* Create a variant of type T with alignment ALIGN. */
3773 extern tree
build_aligned_type (tree
, unsigned int);
3775 /* Like build_qualified_type, but only deals with the `const' and
3776 `volatile' qualifiers. This interface is retained for backwards
3777 compatibility with the various front-ends; new code should use
3778 build_qualified_type instead. */
3780 #define build_type_variant(TYPE, CONST_P, VOLATILE_P) \
3781 build_qualified_type ((TYPE), \
3782 ((CONST_P) ? TYPE_QUAL_CONST : 0) \
3783 | ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
3785 /* Make a copy of a type node. */
3787 extern tree
build_distinct_type_copy (tree
);
3788 extern tree
build_variant_type_copy (tree
);
3790 /* Given a hashcode and a ..._TYPE node (for which the hashcode was made),
3791 return a canonicalized ..._TYPE node, so that duplicates are not made.
3792 How the hash code is computed is up to the caller, as long as any two
3793 callers that could hash identical-looking type nodes agree. */
3795 extern tree
type_hash_canon (unsigned int, tree
);
3797 extern tree
convert (tree
, tree
);
3798 extern unsigned int expr_align (const_tree
);
3799 extern tree
size_in_bytes (const_tree
);
3800 extern HOST_WIDE_INT
int_size_in_bytes (const_tree
);
3801 extern HOST_WIDE_INT
max_int_size_in_bytes (const_tree
);
3802 extern tree
bit_position (const_tree
);
3803 extern HOST_WIDE_INT
int_bit_position (const_tree
);
3804 extern tree
byte_position (const_tree
);
3805 extern HOST_WIDE_INT
int_byte_position (const_tree
);
3807 #define sizetype sizetype_tab[(int) stk_sizetype]
3808 #define bitsizetype sizetype_tab[(int) stk_bitsizetype]
3809 #define ssizetype sizetype_tab[(int) stk_ssizetype]
3810 #define sbitsizetype sizetype_tab[(int) stk_sbitsizetype]
3811 #define size_int(L) size_int_kind (L, stk_sizetype)
3812 #define ssize_int(L) size_int_kind (L, stk_ssizetype)
3813 #define bitsize_int(L) size_int_kind (L, stk_bitsizetype)
3814 #define sbitsize_int(L) size_int_kind (L, stk_sbitsizetype)
3816 /* Type for sizes of data-type. */
3818 #define BITS_PER_UNIT_LOG \
3819 ((BITS_PER_UNIT > 1) + (BITS_PER_UNIT > 2) + (BITS_PER_UNIT > 4) \
3820 + (BITS_PER_UNIT > 8) + (BITS_PER_UNIT > 16) + (BITS_PER_UNIT > 32) \
3821 + (BITS_PER_UNIT > 64) + (BITS_PER_UNIT > 128) + (BITS_PER_UNIT > 256))
3823 /* Concatenate two lists (chains of TREE_LIST nodes) X and Y
3824 by making the last node in X point to Y.
3825 Returns X, except if X is 0 returns Y. */
3827 extern tree
chainon (tree
, tree
);
3829 /* Make a new TREE_LIST node from specified PURPOSE, VALUE and CHAIN. */
3831 extern tree
tree_cons_stat (tree
, tree
, tree MEM_STAT_DECL
);
3832 #define tree_cons(t,q,w) tree_cons_stat (t,q,w MEM_STAT_INFO)
3834 /* Return the last tree node in a chain. */
3836 extern tree
tree_last (tree
);
3838 /* Reverse the order of elements in a chain, and return the new head. */
3840 extern tree
nreverse (tree
);
3842 /* Returns the length of a chain of nodes
3843 (number of chain pointers to follow before reaching a null pointer). */
3845 extern int list_length (const_tree
);
3847 /* Returns the first FIELD_DECL in a type. */
3849 extern tree
first_field (const_tree
);
3851 /* Given an initializer INIT, return TRUE if INIT is zero or some
3852 aggregate of zeros. Otherwise return FALSE. */
3854 extern bool initializer_zerop (const_tree
);
3856 /* Given a vector VEC, return its first element if all elements are
3857 the same. Otherwise return NULL_TREE. */
3859 extern tree
uniform_vector_p (const_tree
);
3861 /* Given a CONSTRUCTOR CTOR, return the element values as a vector. */
3863 extern vec
<tree
, va_gc
> *ctor_to_vec (tree
);
3865 /* integer_zerop (tree x) is nonzero if X is an integer constant of value 0. */
3867 extern int integer_zerop (const_tree
);
3869 /* integer_onep (tree x) is nonzero if X is an integer constant of value 1. */
3871 extern int integer_onep (const_tree
);
3873 /* integer_all_onesp (tree x) is nonzero if X is an integer constant
3874 all of whose significant bits are 1. */
3876 extern int integer_all_onesp (const_tree
);
3878 /* integer_minus_onep (tree x) is nonzero if X is an integer constant of
3881 extern int integer_minus_onep (const_tree
);
3883 /* integer_pow2p (tree x) is nonzero is X is an integer constant with
3884 exactly one bit 1. */
3886 extern int integer_pow2p (const_tree
);
3888 /* integer_nonzerop (tree x) is nonzero if X is an integer constant
3889 with a nonzero value. */
3891 extern int integer_nonzerop (const_tree
);
3893 extern bool cst_and_fits_in_hwi (const_tree
);
3894 extern tree
num_ending_zeros (const_tree
);
3896 /* fixed_zerop (tree x) is nonzero if X is a fixed-point constant of
3899 extern int fixed_zerop (const_tree
);
3901 /* staticp (tree x) is nonzero if X is a reference to data allocated
3902 at a fixed address in memory. Returns the outermost data. */
3904 extern tree
staticp (tree
);
3906 /* save_expr (EXP) returns an expression equivalent to EXP
3907 but it can be used multiple times within context CTX
3908 and only evaluate EXP once. */
3910 extern tree
save_expr (tree
);
3912 /* Look inside EXPR into any simple arithmetic operations. Return the
3913 outermost non-arithmetic or non-invariant node. */
3915 extern tree
skip_simple_arithmetic (tree
);
3917 /* Look inside EXPR into simple arithmetic operations involving constants.
3918 Return the outermost non-arithmetic or non-constant node. */
3920 extern tree
skip_simple_constant_arithmetic (tree
);
3922 /* Return which tree structure is used by T. */
3924 enum tree_node_structure_enum
tree_node_structure (const_tree
);
3926 /* Return true if EXP contains a PLACEHOLDER_EXPR, i.e. if it represents a
3927 size or offset that depends on a field within a record. */
3929 extern bool contains_placeholder_p (const_tree
);
3931 /* This macro calls the above function but short-circuits the common
3932 case of a constant to save time. Also check for null. */
3934 #define CONTAINS_PLACEHOLDER_P(EXP) \
3935 ((EXP) != 0 && ! TREE_CONSTANT (EXP) && contains_placeholder_p (EXP))
3937 /* Return true if any part of the structure of TYPE involves a PLACEHOLDER_EXPR
3938 directly. This includes size, bounds, qualifiers (for QUAL_UNION_TYPE) and
3941 extern bool type_contains_placeholder_p (tree
);
3943 /* Given a tree EXP, find all occurrences of references to fields
3944 in a PLACEHOLDER_EXPR and place them in vector REFS without
3945 duplicates. Also record VAR_DECLs and CONST_DECLs. Note that
3946 we assume here that EXP contains only arithmetic expressions
3947 or CALL_EXPRs with PLACEHOLDER_EXPRs occurring only in their
3950 extern void find_placeholder_in_expr (tree
, vec
<tree
> *);
3952 /* This macro calls the above function but short-circuits the common
3953 case of a constant to save time and also checks for NULL. */
3955 #define FIND_PLACEHOLDER_IN_EXPR(EXP, V) \
3957 if((EXP) && !TREE_CONSTANT (EXP)) \
3958 find_placeholder_in_expr (EXP, V); \
3961 /* Given a tree EXP, a FIELD_DECL F, and a replacement value R,
3962 return a tree with all occurrences of references to F in a
3963 PLACEHOLDER_EXPR replaced by R. Also handle VAR_DECLs and
3964 CONST_DECLs. Note that we assume here that EXP contains only
3965 arithmetic expressions or CALL_EXPRs with PLACEHOLDER_EXPRs
3966 occurring only in their argument list. */
3968 extern tree
substitute_in_expr (tree
, tree
, tree
);
3970 /* This macro calls the above function but short-circuits the common
3971 case of a constant to save time and also checks for NULL. */
3973 #define SUBSTITUTE_IN_EXPR(EXP, F, R) \
3974 ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP) : substitute_in_expr (EXP, F, R))
3976 /* Similar, but look for a PLACEHOLDER_EXPR in EXP and find a replacement
3977 for it within OBJ, a tree that is an object or a chain of references. */
3979 extern tree
substitute_placeholder_in_expr (tree
, tree
);
3981 /* This macro calls the above function but short-circuits the common
3982 case of a constant to save time and also checks for NULL. */
3984 #define SUBSTITUTE_PLACEHOLDER_IN_EXPR(EXP, OBJ) \
3985 ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP) \
3986 : substitute_placeholder_in_expr (EXP, OBJ))
3989 /* stabilize_reference (EXP) returns a reference equivalent to EXP
3990 but it can be used multiple times
3991 and only evaluate the subexpressions once. */
3993 extern tree
stabilize_reference (tree
);
3995 /* Return EXP, stripped of any conversions to wider types
3996 in such a way that the result of converting to type FOR_TYPE
3997 is the same as if EXP were converted to FOR_TYPE.
3998 If FOR_TYPE is 0, it signifies EXP's type. */
4000 extern tree
get_unwidened (tree
, tree
);
4002 /* Return OP or a simpler expression for a narrower value
4003 which can be sign-extended or zero-extended to give back OP.
4004 Store in *UNSIGNEDP_PTR either 1 if the value should be zero-extended
4005 or 0 if the value should be sign-extended. */
4007 extern tree
get_narrower (tree
, int *);
4009 /* Return true if T is an expression that get_inner_reference handles. */
4012 handled_component_p (const_tree t
)
4014 switch (TREE_CODE (t
))
4019 case ARRAY_RANGE_REF
:
4022 case VIEW_CONVERT_EXPR
:
4030 /* Given a DECL or TYPE, return the scope in which it was declared, or
4031 NUL_TREE if there is no containing scope. */
4033 extern tree
get_containing_scope (const_tree
);
4035 /* Return the FUNCTION_DECL which provides this _DECL with its context,
4037 extern tree
decl_function_context (const_tree
);
4039 /* Return the RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE which provides
4040 this _DECL with its context, or zero if none. */
4041 extern tree
decl_type_context (const_tree
);
4043 /* Return 1 if EXPR is the real constant zero. */
4044 extern int real_zerop (const_tree
);
4046 /* Initialize the iterator I with arguments from function FNDECL */
4049 function_args_iter_init (function_args_iterator
*i
, const_tree fntype
)
4051 i
->next
= TYPE_ARG_TYPES (fntype
);
4054 /* Return a pointer that holds the next argument if there are more arguments to
4055 handle, otherwise return NULL. */
4057 static inline tree
*
4058 function_args_iter_cond_ptr (function_args_iterator
*i
)
4060 return (i
->next
) ? &TREE_VALUE (i
->next
) : NULL
;
4063 /* Return the next argument if there are more arguments to handle, otherwise
4067 function_args_iter_cond (function_args_iterator
*i
)
4069 return (i
->next
) ? TREE_VALUE (i
->next
) : NULL_TREE
;
4072 /* Advance to the next argument. */
4074 function_args_iter_next (function_args_iterator
*i
)
4076 gcc_assert (i
->next
!= NULL_TREE
);
4077 i
->next
= TREE_CHAIN (i
->next
);
4080 /* We set BLOCK_SOURCE_LOCATION only to inlined function entry points. */
4083 inlined_function_outer_scope_p (const_tree block
)
4085 return LOCATION_LOCUS (BLOCK_SOURCE_LOCATION (block
)) != UNKNOWN_LOCATION
;
4088 /* Loop over all function arguments of FNTYPE. In each iteration, PTR is set
4089 to point to the next tree element. ITER is an instance of
4090 function_args_iterator used to iterate the arguments. */
4091 #define FOREACH_FUNCTION_ARGS_PTR(FNTYPE, PTR, ITER) \
4092 for (function_args_iter_init (&(ITER), (FNTYPE)); \
4093 (PTR = function_args_iter_cond_ptr (&(ITER))) != NULL; \
4094 function_args_iter_next (&(ITER)))
4096 /* Loop over all function arguments of FNTYPE. In each iteration, TREE is set
4097 to the next tree element. ITER is an instance of function_args_iterator
4098 used to iterate the arguments. */
4099 #define FOREACH_FUNCTION_ARGS(FNTYPE, TREE, ITER) \
4100 for (function_args_iter_init (&(ITER), (FNTYPE)); \
4101 (TREE = function_args_iter_cond (&(ITER))) != NULL_TREE; \
4102 function_args_iter_next (&(ITER)))
4105 extern unsigned crc32_string (unsigned, const char *);
4106 extern unsigned crc32_byte (unsigned, char);
4107 extern unsigned crc32_unsigned (unsigned, unsigned);
4108 extern void clean_symbol_name (char *);
4109 extern tree
get_file_function_name (const char *);
4110 extern tree
get_callee_fndecl (const_tree
);
4111 extern int type_num_arguments (const_tree
);
4112 extern bool associative_tree_code (enum tree_code
);
4113 extern bool commutative_tree_code (enum tree_code
);
4114 extern bool commutative_ternary_tree_code (enum tree_code
);
4115 extern tree
upper_bound_in_type (tree
, tree
);
4116 extern tree
lower_bound_in_type (tree
, tree
);
4117 extern int operand_equal_for_phi_arg_p (const_tree
, const_tree
);
4118 extern tree
create_artificial_label (location_t
);
4119 extern const char *get_name (tree
);
4120 extern bool stdarg_p (const_tree
);
4121 extern bool prototype_p (tree
);
4122 extern bool is_typedef_decl (tree x
);
4123 extern bool typedef_variant_p (tree
);
4124 extern bool auto_var_in_fn_p (const_tree
, const_tree
);
4125 extern tree
build_low_bits_mask (tree
, unsigned);
4126 extern tree
tree_strip_nop_conversions (tree
);
4127 extern tree
tree_strip_sign_nop_conversions (tree
);
4128 extern const_tree
strip_invariant_refs (const_tree
);
4129 extern tree
lhd_gcc_personality (void);
4130 extern void assign_assembler_name_if_neeeded (tree
);
4131 extern void warn_deprecated_use (tree
, tree
);
4132 extern void cache_integer_cst (tree
);
4134 /* Compare and hash for any structure which begins with a canonical
4135 pointer. Assumes all pointers are interchangeable, which is sort
4136 of already assumed by gcc elsewhere IIRC. */
4139 struct_ptr_eq (const void *a
, const void *b
)
4141 const void * const * x
= (const void * const *) a
;
4142 const void * const * y
= (const void * const *) b
;
4146 static inline hashval_t
4147 struct_ptr_hash (const void *a
)
4149 const void * const * x
= (const void * const *) a
;
4150 return (intptr_t)*x
>> 4;
4153 /* Return nonzero if CODE is a tree code that represents a truth value. */
4155 truth_value_p (enum tree_code code
)
4157 return (TREE_CODE_CLASS (code
) == tcc_comparison
4158 || code
== TRUTH_AND_EXPR
|| code
== TRUTH_ANDIF_EXPR
4159 || code
== TRUTH_OR_EXPR
|| code
== TRUTH_ORIF_EXPR
4160 || code
== TRUTH_XOR_EXPR
|| code
== TRUTH_NOT_EXPR
);
4163 /* Return whether TYPE is a type suitable for an offset for
4164 a POINTER_PLUS_EXPR. */
4166 ptrofftype_p (tree type
)
4168 return (INTEGRAL_TYPE_P (type
)
4169 && TYPE_PRECISION (type
) == TYPE_PRECISION (sizetype
)
4170 && TYPE_UNSIGNED (type
) == TYPE_UNSIGNED (sizetype
));
4173 /* Return OFF converted to a pointer offset type suitable as offset for
4174 POINTER_PLUS_EXPR. Use location LOC for this conversion. */
4176 convert_to_ptrofftype_loc (location_t loc
, tree off
)
4178 return fold_convert_loc (loc
, sizetype
, off
);
4180 #define convert_to_ptrofftype(t) convert_to_ptrofftype_loc (UNKNOWN_LOCATION, t)
4182 /* Build and fold a POINTER_PLUS_EXPR at LOC offsetting PTR by OFF. */
4184 fold_build_pointer_plus_loc (location_t loc
, tree ptr
, tree off
)
4186 return fold_build2_loc (loc
, POINTER_PLUS_EXPR
, TREE_TYPE (ptr
),
4187 ptr
, fold_convert_loc (loc
, sizetype
, off
));
4189 #define fold_build_pointer_plus(p,o) \
4190 fold_build_pointer_plus_loc (UNKNOWN_LOCATION, p, o)
4192 /* Build and fold a POINTER_PLUS_EXPR at LOC offsetting PTR by OFF. */
4194 fold_build_pointer_plus_hwi_loc (location_t loc
, tree ptr
, HOST_WIDE_INT off
)
4196 return fold_build2_loc (loc
, POINTER_PLUS_EXPR
, TREE_TYPE (ptr
),
4197 ptr
, size_int (off
));
4199 #define fold_build_pointer_plus_hwi(p,o) \
4200 fold_build_pointer_plus_hwi_loc (UNKNOWN_LOCATION, p, o)
4202 extern tree
strip_float_extensions (tree
);
4203 extern int really_constant_p (const_tree
);
4204 extern bool decl_address_invariant_p (const_tree
);
4205 extern bool decl_address_ip_invariant_p (const_tree
);
4206 extern bool int_fits_type_p (const_tree
, const_tree
);
4207 #ifndef GENERATOR_FILE
4208 extern void get_type_static_bounds (const_tree
, mpz_t
, mpz_t
);
4210 extern bool variably_modified_type_p (tree
, tree
);
4211 extern int tree_log2 (const_tree
);
4212 extern int tree_floor_log2 (const_tree
);
4213 extern unsigned int tree_ctz (const_tree
);
4214 extern int simple_cst_equal (const_tree
, const_tree
);
4215 extern hashval_t
iterative_hash_expr (const_tree
, hashval_t
);
4216 extern hashval_t
iterative_hash_host_wide_int (HOST_WIDE_INT
, hashval_t
);
4217 extern hashval_t
iterative_hash_hashval_t (hashval_t
, hashval_t
);
4218 extern hashval_t
iterative_hash_host_wide_int (HOST_WIDE_INT
, hashval_t
);
4219 extern int compare_tree_int (const_tree
, unsigned HOST_WIDE_INT
);
4220 extern int type_list_equal (const_tree
, const_tree
);
4221 extern int chain_member (const_tree
, const_tree
);
4222 extern void dump_tree_statistics (void);
4223 extern void recompute_tree_invariant_for_addr_expr (tree
);
4224 extern bool needs_to_live_in_memory (const_tree
);
4225 extern tree
reconstruct_complex_type (tree
, tree
);
4226 extern int real_onep (const_tree
);
4227 extern int real_minus_onep (const_tree
);
4228 extern void init_ttree (void);
4229 extern void build_common_tree_nodes (bool, bool);
4230 extern void build_common_builtin_nodes (void);
4231 extern tree
build_nonstandard_integer_type (unsigned HOST_WIDE_INT
, int);
4232 extern tree
build_range_type (tree
, tree
, tree
);
4233 extern tree
build_nonshared_range_type (tree
, tree
, tree
);
4234 extern bool subrange_type_for_debug_p (const_tree
, tree
*, tree
*);
4235 extern HOST_WIDE_INT
int_cst_value (const_tree
);
4236 extern HOST_WIDEST_INT
widest_int_cst_value (const_tree
);
4237 extern tree
tree_block (tree
);
4238 extern void tree_set_block (tree
, tree
);
4239 extern location_t
*block_nonartificial_location (tree
);
4240 extern location_t
tree_nonartificial_location (tree
);
4241 extern tree
block_ultimate_origin (const_tree
);
4242 extern tree
get_binfo_at_offset (tree
, HOST_WIDE_INT
, tree
);
4243 extern bool virtual_method_call_p (tree
);
4244 extern tree
obj_type_ref_class (tree ref
);
4245 extern bool types_same_for_odr (tree type1
, tree type2
);
4246 extern bool contains_bitfld_component_ref_p (const_tree
);
4247 extern bool type_in_anonymous_namespace_p (tree
);
4248 extern bool block_may_fallthru (const_tree
);
4249 extern void using_eh_for_cleanups (void);
4250 extern bool using_eh_for_cleanups_p (void);
4251 extern const char *get_tree_code_name (enum tree_code
);
4252 extern void set_call_expr_flags (tree
, int);
4253 extern tree
walk_tree_1 (tree
*, walk_tree_fn
, void*, struct pointer_set_t
*,
4255 extern tree
walk_tree_without_duplicates_1 (tree
*, walk_tree_fn
, void*,
4257 #define walk_tree(a,b,c,d) \
4258 walk_tree_1 (a, b, c, d, NULL)
4259 #define walk_tree_without_duplicates(a,b,c) \
4260 walk_tree_without_duplicates_1 (a, b, c, NULL)
4262 extern tree
get_base_address (tree t
);
4263 extern tree
drop_tree_overflow (tree
);
4264 extern int tree_map_base_eq (const void *, const void *);
4265 extern unsigned int tree_map_base_hash (const void *);
4266 extern int tree_map_base_marked_p (const void *);
4268 #define tree_map_eq tree_map_base_eq
4269 extern unsigned int tree_map_hash (const void *);
4270 #define tree_map_marked_p tree_map_base_marked_p
4272 #define tree_decl_map_eq tree_map_base_eq
4273 extern unsigned int tree_decl_map_hash (const void *);
4274 #define tree_decl_map_marked_p tree_map_base_marked_p
4276 #define tree_int_map_eq tree_map_base_eq
4277 #define tree_int_map_hash tree_map_base_hash
4278 #define tree_int_map_marked_p tree_map_base_marked_p
4280 #define tree_priority_map_eq tree_map_base_eq
4281 #define tree_priority_map_hash tree_map_base_hash
4282 #define tree_priority_map_marked_p tree_map_base_marked_p
4284 #define tree_vec_map_eq tree_map_base_eq
4285 #define tree_vec_map_hash tree_decl_map_hash
4286 #define tree_vec_map_marked_p tree_map_base_marked_p
4288 /* Initialize the abstract argument list iterator object ITER with the
4289 arguments from CALL_EXPR node EXP. */
4291 init_call_expr_arg_iterator (tree exp
, call_expr_arg_iterator
*iter
)
4294 iter
->n
= call_expr_nargs (exp
);
4299 init_const_call_expr_arg_iterator (const_tree exp
, const_call_expr_arg_iterator
*iter
)
4302 iter
->n
= call_expr_nargs (exp
);
4306 /* Return the next argument from abstract argument list iterator object ITER,
4307 and advance its state. Return NULL_TREE if there are no more arguments. */
4309 next_call_expr_arg (call_expr_arg_iterator
*iter
)
4312 if (iter
->i
>= iter
->n
)
4314 result
= CALL_EXPR_ARG (iter
->t
, iter
->i
);
4319 static inline const_tree
4320 next_const_call_expr_arg (const_call_expr_arg_iterator
*iter
)
4323 if (iter
->i
>= iter
->n
)
4325 result
= CALL_EXPR_ARG (iter
->t
, iter
->i
);
4330 /* Initialize the abstract argument list iterator object ITER, then advance
4331 past and return the first argument. Useful in for expressions, e.g.
4332 for (arg = first_call_expr_arg (exp, &iter); arg;
4333 arg = next_call_expr_arg (&iter)) */
4335 first_call_expr_arg (tree exp
, call_expr_arg_iterator
*iter
)
4337 init_call_expr_arg_iterator (exp
, iter
);
4338 return next_call_expr_arg (iter
);
4341 static inline const_tree
4342 first_const_call_expr_arg (const_tree exp
, const_call_expr_arg_iterator
*iter
)
4344 init_const_call_expr_arg_iterator (exp
, iter
);
4345 return next_const_call_expr_arg (iter
);
4348 /* Test whether there are more arguments in abstract argument list iterator
4349 ITER, without changing its state. */
4351 more_call_expr_args_p (const call_expr_arg_iterator
*iter
)
4353 return (iter
->i
< iter
->n
);
4356 /* Iterate through each argument ARG of CALL_EXPR CALL, using variable ITER
4357 (of type call_expr_arg_iterator) to hold the iteration state. */
4358 #define FOR_EACH_CALL_EXPR_ARG(arg, iter, call) \
4359 for ((arg) = first_call_expr_arg ((call), &(iter)); (arg); \
4360 (arg) = next_call_expr_arg (&(iter)))
4362 #define FOR_EACH_CONST_CALL_EXPR_ARG(arg, iter, call) \
4363 for ((arg) = first_const_call_expr_arg ((call), &(iter)); (arg); \
4364 (arg) = next_const_call_expr_arg (&(iter)))
4366 /* Return true if tree node T is a language-specific node. */
4368 is_lang_specific (tree t
)
4370 return TREE_CODE (t
) == LANG_TYPE
|| TREE_CODE (t
) >= NUM_TREE_CODES
;
4373 /* Valid builtin number. */
4374 #define BUILTIN_VALID_P(FNCODE) \
4375 (IN_RANGE ((int)FNCODE, ((int)BUILT_IN_NONE) + 1, ((int) END_BUILTINS) - 1))
4377 /* Return the tree node for an explicit standard builtin function or NULL. */
4379 builtin_decl_explicit (enum built_in_function fncode
)
4381 gcc_checking_assert (BUILTIN_VALID_P (fncode
));
4383 return builtin_info
.decl
[(size_t)fncode
];
4386 /* Return the tree node for an implicit builtin function or NULL. */
4388 builtin_decl_implicit (enum built_in_function fncode
)
4390 size_t uns_fncode
= (size_t)fncode
;
4391 gcc_checking_assert (BUILTIN_VALID_P (fncode
));
4393 if (!builtin_info
.implicit_p
[uns_fncode
])
4396 return builtin_info
.decl
[uns_fncode
];
4399 /* Set explicit builtin function nodes and whether it is an implicit
4403 set_builtin_decl (enum built_in_function fncode
, tree decl
, bool implicit_p
)
4405 size_t ufncode
= (size_t)fncode
;
4407 gcc_checking_assert (BUILTIN_VALID_P (fncode
)
4408 && (decl
!= NULL_TREE
|| !implicit_p
));
4410 builtin_info
.decl
[ufncode
] = decl
;
4411 builtin_info
.implicit_p
[ufncode
] = implicit_p
;
4414 /* Set the implicit flag for a builtin function. */
4417 set_builtin_decl_implicit_p (enum built_in_function fncode
, bool implicit_p
)
4419 size_t uns_fncode
= (size_t)fncode
;
4421 gcc_checking_assert (BUILTIN_VALID_P (fncode
)
4422 && builtin_info
.decl
[uns_fncode
] != NULL_TREE
);
4424 builtin_info
.implicit_p
[uns_fncode
] = implicit_p
;
4427 /* Return whether the standard builtin function can be used as an explicit
4431 builtin_decl_explicit_p (enum built_in_function fncode
)
4433 gcc_checking_assert (BUILTIN_VALID_P (fncode
));
4434 return (builtin_info
.decl
[(size_t)fncode
] != NULL_TREE
);
4437 /* Return whether the standard builtin function can be used implicitly. */
4440 builtin_decl_implicit_p (enum built_in_function fncode
)
4442 size_t uns_fncode
= (size_t)fncode
;
4444 gcc_checking_assert (BUILTIN_VALID_P (fncode
));
4445 return (builtin_info
.decl
[uns_fncode
] != NULL_TREE
4446 && builtin_info
.implicit_p
[uns_fncode
]);
4449 /* Return true if T (assumed to be a DECL) is a global variable.
4450 A variable is considered global if its storage is not automatic. */
4453 is_global_var (const_tree t
)
4455 return (TREE_STATIC (t
) || DECL_EXTERNAL (t
));
4458 /* Return true if VAR may be aliased. A variable is considered as
4459 maybe aliased if it has its address taken by the local TU
4460 or possibly by another TU and might be modified through a pointer. */
4463 may_be_aliased (const_tree var
)
4465 return (TREE_CODE (var
) != CONST_DECL
4466 && !((TREE_STATIC (var
) || TREE_PUBLIC (var
) || DECL_EXTERNAL (var
))
4467 && TREE_READONLY (var
)
4468 && !TYPE_NEEDS_CONSTRUCTING (TREE_TYPE (var
)))
4469 && (TREE_PUBLIC (var
)
4470 || DECL_EXTERNAL (var
)
4471 || TREE_ADDRESSABLE (var
)));
4474 /* For anonymous aggregate types, we need some sort of name to
4475 hold on to. In practice, this should not appear, but it should
4476 not be harmful if it does. */
4477 #ifndef NO_DOT_IN_LABEL
4478 #define ANON_AGGRNAME_FORMAT "._%d"
4479 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == '.' \
4480 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
4481 #else /* NO_DOT_IN_LABEL */
4482 #ifndef NO_DOLLAR_IN_LABEL
4483 #define ANON_AGGRNAME_FORMAT "$_%d"
4484 #define ANON_AGGRNAME_P(ID_NODE) (IDENTIFIER_POINTER (ID_NODE)[0] == '$' \
4485 && IDENTIFIER_POINTER (ID_NODE)[1] == '_')
4486 #else /* NO_DOLLAR_IN_LABEL */
4487 #define ANON_AGGRNAME_PREFIX "__anon_"
4488 #define ANON_AGGRNAME_P(ID_NODE) \
4489 (!strncmp (IDENTIFIER_POINTER (ID_NODE), ANON_AGGRNAME_PREFIX, \
4490 sizeof (ANON_AGGRNAME_PREFIX) - 1))
4491 #define ANON_AGGRNAME_FORMAT "__anon_%d"
4492 #endif /* NO_DOLLAR_IN_LABEL */
4493 #endif /* NO_DOT_IN_LABEL */
4495 /* FIXME - These declarations belong in builtins.h, expr.h and emit-rtl.h,
4496 but none of these files are allowed to be included from front ends.
4497 They should be split in two. One suitable for the FEs, the other suitable
4500 /* Assign the RTX to declaration. */
4501 extern void set_decl_rtl (tree
, rtx
);
4502 extern bool complete_ctor_at_level_p (const_tree
, HOST_WIDE_INT
, const_tree
);
4504 /* Return a tree representing the upper bound of the array mentioned in
4505 EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
4506 extern tree
array_ref_up_bound (tree
);
4508 extern tree
build_personality_function (const char *);
4510 /* Given an expression EXP that is a handled_component_p,
4511 look for the ultimate containing object, which is returned and specify
4512 the access position and size. */
4513 extern tree
get_inner_reference (tree
, HOST_WIDE_INT
*, HOST_WIDE_INT
*,
4514 tree
*, enum machine_mode
*, int *, int *,
4517 /* Return a tree representing the lower bound of the array mentioned in
4518 EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
4519 extern tree
array_ref_low_bound (tree
);
4521 /* In builtins.c. */
4523 /* Non-zero if __builtin_constant_p should be folded right away. */
4524 extern bool force_folding_builtin_constant_p
;
4526 extern bool avoid_folding_inline_builtin (tree
);
4527 extern tree
fold_call_expr (location_t
, tree
, bool);
4528 extern tree
fold_builtin_fputs (location_t
, tree
, tree
, bool, bool, tree
);
4529 extern tree
fold_builtin_strcpy (location_t
, tree
, tree
, tree
, tree
);
4530 extern tree
fold_builtin_strncpy (location_t
, tree
, tree
, tree
, tree
, tree
);
4531 extern tree
fold_builtin_memory_chk (location_t
, tree
, tree
, tree
, tree
, tree
, tree
, bool,
4532 enum built_in_function
);
4533 extern tree
fold_builtin_stxcpy_chk (location_t
, tree
, tree
, tree
, tree
, tree
, bool,
4534 enum built_in_function
);
4535 extern tree
fold_builtin_stxncpy_chk (location_t
, tree
, tree
, tree
, tree
, tree
, bool,
4536 enum built_in_function
);
4537 extern bool fold_builtin_next_arg (tree
, bool);
4538 extern enum built_in_function
builtin_mathfn_code (const_tree
);
4539 extern tree
fold_builtin_call_array (location_t
, tree
, tree
, int, tree
*);
4540 extern tree
build_call_expr_loc_array (location_t
, tree
, int, tree
*);
4541 extern tree
build_call_expr_loc_vec (location_t
, tree
, vec
<tree
, va_gc
> *);
4542 extern tree
build_call_expr_loc (location_t
, tree
, int, ...);
4543 extern tree
build_call_expr (tree
, int, ...);
4544 extern tree
mathfn_built_in (tree
, enum built_in_function fn
);
4545 extern tree
c_strlen (tree
, int);
4546 extern tree
build_string_literal (int, const char *);
4547 extern rtx
builtin_memset_read_str (void *, HOST_WIDE_INT
, enum machine_mode
);
4548 extern bool is_builtin_fn (tree
);
4549 extern bool get_object_alignment_1 (tree
, unsigned int *,
4550 unsigned HOST_WIDE_INT
*);
4551 extern unsigned int get_object_alignment (tree
);
4552 extern bool get_pointer_alignment_1 (tree
, unsigned int *,
4553 unsigned HOST_WIDE_INT
*);
4554 extern unsigned int get_pointer_alignment (tree
);
4555 extern tree
fold_call_stmt (gimple
, bool);
4556 extern tree
gimple_fold_builtin_snprintf_chk (gimple
, tree
, enum built_in_function
);
4557 extern void set_builtin_user_assembler_name (tree decl
, const char *asmspec
);
4558 extern bool is_simple_builtin (tree
);
4559 extern bool is_inexpensive_builtin (tree
);
4561 #endif /* GCC_TREE_H */