1 /* Front-end tree definitions for GNU compiler.
2 Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify it under
8 the terms of the GNU General Public License as published by the Free
9 Software Foundation; either version 3, or (at your option) any later
12 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
13 WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
27 #include "statistics.h"
29 #include "double-int.h"
32 /* Codes of tree nodes */
34 #define DEFTREECODE(SYM, STRING, TYPE, NARGS) SYM,
39 LAST_AND_UNUSED_TREE_CODE /* A convenient way to get a value for
45 #define MAX_TREE_CODES 512
46 extern unsigned char tree_contains_struct[MAX_TREE_CODES][64];
47 #define CODE_CONTAINS_STRUCT(CODE, STRUCT) (tree_contains_struct[(CODE)][(STRUCT)])
49 /* Number of language-independent tree codes. */
50 #define NUM_TREE_CODES ((int) LAST_AND_UNUSED_TREE_CODE)
52 /* Tree code classes. */
54 /* Each tree_code has an associated code class represented by a
57 enum tree_code_class {
58 tcc_exceptional, /* An exceptional code (fits no category). */
59 tcc_constant, /* A constant. */
60 /* Order of tcc_type and tcc_declaration is important. */
61 tcc_type, /* A type object code. */
62 tcc_declaration, /* A declaration (also serving as variable refs). */
63 tcc_reference, /* A reference to storage. */
64 tcc_comparison, /* A comparison expression. */
65 tcc_unary, /* A unary arithmetic expression. */
66 tcc_binary, /* A binary arithmetic expression. */
67 tcc_statement, /* A statement expression, which have side effects
68 but usually no interesting value. */
69 tcc_vl_exp, /* A function call or other expression with a
70 variable-length operand vector. */
71 tcc_expression, /* Any other expression. */
72 tcc_gimple_stmt /* A GIMPLE statement. */
75 /* Each tree code class has an associated string representation.
76 These must correspond to the tree_code_class entries. */
78 extern const char *const tree_code_class_strings[];
80 /* Returns the string representing CLASS. */
82 #define TREE_CODE_CLASS_STRING(CLASS)\
83 tree_code_class_strings[(int) (CLASS)]
85 extern const enum tree_code_class tree_code_type[];
86 #define TREE_CODE_CLASS(CODE) tree_code_type[(int) (CODE)]
88 /* Nonzero if CODE represents an exceptional code. */
90 #define EXCEPTIONAL_CLASS_P(CODE)\
91 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_exceptional)
93 /* Nonzero if CODE represents a constant. */
95 #define CONSTANT_CLASS_P(CODE)\
96 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_constant)
98 /* Nonzero if CODE represents a type. */
100 #define TYPE_P(CODE)\
101 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_type)
103 /* Nonzero if CODE represents a declaration. */
105 #define DECL_P(CODE)\
106 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_declaration)
108 /* Nonzero if CODE represents a memory tag. */
110 #define MTAG_P(CODE) \
111 (TREE_CODE (CODE) == STRUCT_FIELD_TAG \
112 || TREE_CODE (CODE) == NAME_MEMORY_TAG \
113 || TREE_CODE (CODE) == SYMBOL_MEMORY_TAG \
114 || TREE_CODE (CODE) == MEMORY_PARTITION_TAG)
117 /* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL. */
119 #define VAR_OR_FUNCTION_DECL_P(DECL)\
120 (TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
122 /* Nonzero if CODE represents a INDIRECT_REF. Keep these checks in
123 ascending code order. */
125 #define INDIRECT_REF_P(CODE)\
126 (TREE_CODE (CODE) == INDIRECT_REF \
127 || TREE_CODE (CODE) == ALIGN_INDIRECT_REF \
128 || TREE_CODE (CODE) == MISALIGNED_INDIRECT_REF)
130 /* Nonzero if CODE represents a reference. */
132 #define REFERENCE_CLASS_P(CODE)\
133 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_reference)
135 /* Nonzero if CODE represents a comparison. */
137 #define COMPARISON_CLASS_P(CODE)\
138 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_comparison)
140 /* Nonzero if CODE represents a unary arithmetic expression. */
142 #define UNARY_CLASS_P(CODE)\
143 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_unary)
145 /* Nonzero if CODE represents a binary arithmetic expression. */
147 #define BINARY_CLASS_P(CODE)\
148 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_binary)
150 /* Nonzero if CODE represents a statement expression. */
152 #define STATEMENT_CLASS_P(CODE)\
153 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_statement)
155 /* Nonzero if CODE represents a function call-like expression with a
156 variable-length operand vector. */
158 #define VL_EXP_CLASS_P(CODE)\
159 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_vl_exp)
161 /* Nonzero if CODE represents any other expression. */
163 #define EXPRESSION_CLASS_P(CODE)\
164 (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_expression)
166 /* Returns nonzero iff CODE represents a type or declaration. */
168 #define IS_TYPE_OR_DECL_P(CODE)\
169 (TYPE_P (CODE) || DECL_P (CODE))
171 /* Returns nonzero iff CLASS is the tree-code class of an
174 #define IS_EXPR_CODE_CLASS(CLASS)\
175 ((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
177 /* Returns nonzer iff CLASS is a GIMPLE statement. */
179 #define IS_GIMPLE_STMT_CODE_CLASS(CLASS) ((CLASS) == tcc_gimple_stmt)
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 /* Returns nonzero iff NODE is an OpenMP directive. */
187 #define OMP_DIRECTIVE_P(NODE) \
188 (TREE_CODE (NODE) == OMP_PARALLEL \
189 || TREE_CODE (NODE) == OMP_FOR \
190 || TREE_CODE (NODE) == OMP_SECTIONS \
191 || TREE_CODE (NODE) == OMP_SECTIONS_SWITCH \
192 || TREE_CODE (NODE) == OMP_SINGLE \
193 || TREE_CODE (NODE) == OMP_SECTION \
194 || TREE_CODE (NODE) == OMP_MASTER \
195 || TREE_CODE (NODE) == OMP_ORDERED \
196 || TREE_CODE (NODE) == OMP_CRITICAL \
197 || TREE_CODE (NODE) == OMP_RETURN \
198 || TREE_CODE (NODE) == OMP_ATOMIC_LOAD \
199 || TREE_CODE (NODE) == OMP_ATOMIC_STORE \
200 || TREE_CODE (NODE) == OMP_CONTINUE)
202 /* Number of argument-words in each kind of tree-node. */
204 extern const unsigned char tree_code_length[];
205 #define TREE_CODE_LENGTH(CODE) tree_code_length[(int) (CODE)]
207 /* Names of tree components. */
209 extern const char *const tree_code_name[];
211 /* A vectors of trees. */
213 DEF_VEC_ALLOC_P(tree,gc);
214 DEF_VEC_ALLOC_P(tree,heap);
217 /* Classify which part of the compiler has defined a given builtin function.
218 Note that we assume below that this is no more than two bits. */
227 /* Names for the above. */
228 extern const char *const built_in_class_names[4];
230 /* Codes that identify the various built in functions
231 so that expand_call can identify them quickly. */
233 #define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT, IM, COND) ENUM,
234 enum built_in_function
236 #include "builtins.def"
238 /* Complex division routines in libgcc. These are done via builtins
239 because emit_library_call_value can't handle complex values. */
240 BUILT_IN_COMPLEX_MUL_MIN,
241 BUILT_IN_COMPLEX_MUL_MAX
242 = BUILT_IN_COMPLEX_MUL_MIN
243 + MAX_MODE_COMPLEX_FLOAT
244 - MIN_MODE_COMPLEX_FLOAT,
246 BUILT_IN_COMPLEX_DIV_MIN,
247 BUILT_IN_COMPLEX_DIV_MAX
248 = BUILT_IN_COMPLEX_DIV_MIN
249 + MAX_MODE_COMPLEX_FLOAT
250 - MIN_MODE_COMPLEX_FLOAT,
252 /* Upper bound on non-language-specific builtins. */
257 /* Names for the above. */
258 extern const char * built_in_names[(int) END_BUILTINS];
260 /* Helper macros for math builtins. */
262 #define BUILTIN_EXP10_P(FN) \
263 ((FN) == BUILT_IN_EXP10 || (FN) == BUILT_IN_EXP10F || (FN) == BUILT_IN_EXP10L \
264 || (FN) == BUILT_IN_POW10 || (FN) == BUILT_IN_POW10F || (FN) == BUILT_IN_POW10L)
266 #define BUILTIN_EXPONENT_P(FN) (BUILTIN_EXP10_P (FN) \
267 || (FN) == BUILT_IN_EXP || (FN) == BUILT_IN_EXPF || (FN) == BUILT_IN_EXPL \
268 || (FN) == BUILT_IN_EXP2 || (FN) == BUILT_IN_EXP2F || (FN) == BUILT_IN_EXP2L)
270 #define BUILTIN_SQRT_P(FN) \
271 ((FN) == BUILT_IN_SQRT || (FN) == BUILT_IN_SQRTF || (FN) == BUILT_IN_SQRTL)
273 #define BUILTIN_CBRT_P(FN) \
274 ((FN) == BUILT_IN_CBRT || (FN) == BUILT_IN_CBRTF || (FN) == BUILT_IN_CBRTL)
276 #define BUILTIN_ROOT_P(FN) (BUILTIN_SQRT_P (FN) || BUILTIN_CBRT_P (FN))
278 #define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L
279 #define CASE_FLT_FN_REENT(FN) case FN##_R: case FN##F_R: case FN##L_R
280 #define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL
282 /* An array of _DECL trees for the above. */
283 extern GTY(()) tree built_in_decls[(int) END_BUILTINS];
284 extern GTY(()) tree implicit_built_in_decls[(int) END_BUILTINS];
286 /* In an OMP_CLAUSE node. */
288 /* Number of operands and names for each clause. */
289 extern unsigned const char omp_clause_num_ops[];
290 extern const char * const omp_clause_code_name[];
292 /* Clause codes. Do not reorder, as this is used to index into the tables
293 omp_clause_num_ops and omp_clause_code_name. */
296 /* Clause zero is special-cased inside the parser
297 (c_parser_omp_variable_list). */
298 OMP_CLAUSE_ERROR = 0,
300 /* OpenMP clause: private (variable_list). */
303 /* OpenMP clause: shared (variable_list). */
306 /* OpenMP clause: firstprivate (variable_list). */
307 OMP_CLAUSE_FIRSTPRIVATE,
309 /* OpenMP clause: lastprivate (variable_list). */
310 OMP_CLAUSE_LASTPRIVATE,
312 /* OpenMP clause: reduction (operator:variable_list).
313 OMP_CLAUSE_REDUCTION_CODE: The tree_code of the operator.
314 Operand 1: OMP_CLAUSE_REDUCTION_INIT: Stmt-list to initialize the var.
315 Operand 2: OMP_CLAUSE_REDUCTION_MERGE: Stmt-list to merge private var
317 Operand 3: OMP_CLAUSE_REDUCTION_PLACEHOLDER: A dummy VAR_DECL
318 placeholder used in OMP_CLAUSE_REDUCTION_MERGE. */
319 OMP_CLAUSE_REDUCTION,
321 /* OpenMP clause: copyin (variable_list). */
324 /* OpenMP clause: copyprivate (variable_list). */
325 OMP_CLAUSE_COPYPRIVATE,
327 /* OpenMP clause: if (scalar-expression). */
330 /* OpenMP clause: num_threads (integer-expression). */
331 OMP_CLAUSE_NUM_THREADS,
333 /* OpenMP clause: schedule. */
336 /* OpenMP clause: nowait. */
339 /* OpenMP clause: ordered. */
342 /* OpenMP clause: default. */
346 /* The definition of tree nodes fills the next several pages. */
348 /* A tree node can represent a data type, a variable, an expression
349 or a statement. Each node has a TREE_CODE which says what kind of
350 thing it represents. Some common codes are:
351 INTEGER_TYPE -- represents a type of integers.
352 ARRAY_TYPE -- represents a type of pointer.
353 VAR_DECL -- represents a declared variable.
354 INTEGER_CST -- represents a constant integer value.
355 PLUS_EXPR -- represents a sum (an expression).
357 As for the contents of a tree node: there are some fields
358 that all nodes share. Each TREE_CODE has various special-purpose
359 fields as well. The fields of a node are never accessed directly,
360 always through accessor macros. */
362 /* Every kind of tree node starts with this structure,
363 so all nodes have these fields.
365 See the accessor macros, defined below, for documentation of the
369 struct tree_base GTY(())
371 ENUM_BITFIELD(tree_code) code : 16;
373 unsigned side_effects_flag : 1;
374 unsigned constant_flag : 1;
375 unsigned addressable_flag : 1;
376 unsigned volatile_flag : 1;
377 unsigned readonly_flag : 1;
378 unsigned unsigned_flag : 1;
379 unsigned asm_written_flag: 1;
380 unsigned nowarning_flag : 1;
382 unsigned used_flag : 1;
383 unsigned nothrow_flag : 1;
384 unsigned static_flag : 1;
385 unsigned public_flag : 1;
386 unsigned private_flag : 1;
387 unsigned protected_flag : 1;
388 unsigned deprecated_flag : 1;
389 unsigned invariant_flag : 1;
390 unsigned saturating_flag : 1;
392 unsigned lang_flag_0 : 1;
393 unsigned lang_flag_1 : 1;
394 unsigned lang_flag_2 : 1;
395 unsigned lang_flag_3 : 1;
396 unsigned lang_flag_4 : 1;
397 unsigned lang_flag_5 : 1;
398 unsigned lang_flag_6 : 1;
399 unsigned visited : 1;
403 /* FIXME tuples: Eventually, we need to move this somewhere external to
405 union tree_ann_d *ann;
408 struct tree_common GTY(())
410 struct tree_base base;
415 /* GIMPLE_MODIFY_STMT */
416 struct gimple_stmt GTY(())
418 struct tree_base base;
421 /* FIXME tuples: Eventually this should be of type ``struct gimple_expr''. */
422 tree GTY ((length ("TREE_CODE_LENGTH (TREE_CODE (&%h))"))) operands[1];
425 /* The following table lists the uses of each of the above flags and
426 for which types of nodes they are defined. Note that expressions
432 VAR_DECL, FUNCTION_DECL, FIELD_DECL, CONSTRUCTOR, LABEL_DECL,
433 ..._TYPE, IDENTIFIER_NODE.
434 In a STMT_EXPR, it means we want the result of the enclosed
436 CALL_EXPR_TAILCALL in CALL_EXPR
437 CASE_LOW_SEEN in CASE_LABEL_EXPR
442 VAR_DECL, FUNCTION_DECL, CONSTRUCTOR, ADDR_EXPR
445 TREE_SYMBOL_REFERENCED in
448 TARGET_EXPR, WITH_CLEANUP_EXPR
451 EH_FILTER_MUST_NOT_THROW in EH_FILTER_EXPR
452 TYPE_REF_CAN_ALIAS_ALL in
453 POINTER_TYPE, REFERENCE_TYPE
458 CALL_CANNOT_INLINE_P in
464 INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST
466 VAR_DECL or FUNCTION_DECL or IDENTIFIER_NODE
469 CALL_EXPR_VA_ARG_PACK in
471 TYPE_CACHED_VALUES_P in
473 SAVE_EXPR_RESOLVED_P in
475 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE in
476 OMP_CLAUSE_LASTPRIVATE
477 OMP_CLAUSE_PRIVATE_DEBUG in
484 CALL_EXPR_RETURN_SLOT_OPT in
487 PARM_DECL, RESULT_DECL
492 OMP_PARALLEL_COMBINED in
515 TREE_THIS_VOLATILE in
533 TYPE_SIZES_GIMPLIFIED
542 BIT_FIELD_REF_UNSIGNED in
548 VAR_DECL, FUNCTION_DECL, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE
554 expressions, IDENTIFIER_NODE
559 CALL_EXPR, FUNCTION_DECL
565 (ALIGN/MISALIGNED_)INDIRECT_REF, ARRAY_REF, ARRAY_RANGE_REF
572 IDENTIFIER_TRANSPARENT_ALIAS in
577 Used in tree traversals to mark visited nodes.
592 ... any expr or decl node
595 #define DEFTREESTRUCT(ENUM, NAME) ENUM,
596 enum tree_node_structure_enum {
597 #include "treestruct.def"
602 /* Define accessors for the fields that all tree nodes have
603 (though some fields are not used for all kinds of nodes). */
605 /* The tree-code says what kind of node it is.
606 Codes are defined in tree.def. */
607 #define TREE_CODE(NODE) ((enum tree_code) (NODE)->base.code)
608 #define TREE_SET_CODE(NODE, VALUE) ((NODE)->base.code = (VALUE))
610 /* When checking is enabled, errors will be generated if a tree node
611 is accessed incorrectly. The macros die with a fatal error. */
612 #if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
614 #define TREE_CHECK(T, CODE) __extension__ \
615 ({ __typeof (T) const __t = (T); \
616 if (TREE_CODE (__t) != (CODE)) \
617 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
621 #define TREE_NOT_CHECK(T, CODE) __extension__ \
622 ({ __typeof (T) const __t = (T); \
623 if (TREE_CODE (__t) == (CODE)) \
624 tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
628 #define TREE_CHECK2(T, CODE1, CODE2) __extension__ \
629 ({ __typeof (T) const __t = (T); \
630 if (TREE_CODE (__t) != (CODE1) \
631 && TREE_CODE (__t) != (CODE2)) \
632 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
633 (CODE1), (CODE2), 0); \
636 #define TREE_NOT_CHECK2(T, CODE1, CODE2) __extension__ \
637 ({ __typeof (T) const __t = (T); \
638 if (TREE_CODE (__t) == (CODE1) \
639 || TREE_CODE (__t) == (CODE2)) \
640 tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
641 (CODE1), (CODE2), 0); \
644 #define TREE_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
645 ({ __typeof (T) const __t = (T); \
646 if (TREE_CODE (__t) != (CODE1) \
647 && TREE_CODE (__t) != (CODE2) \
648 && TREE_CODE (__t) != (CODE3)) \
649 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
650 (CODE1), (CODE2), (CODE3), 0); \
653 #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
654 ({ __typeof (T) const __t = (T); \
655 if (TREE_CODE (__t) == (CODE1) \
656 || TREE_CODE (__t) == (CODE2) \
657 || TREE_CODE (__t) == (CODE3)) \
658 tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
659 (CODE1), (CODE2), (CODE3), 0); \
662 #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
663 ({ __typeof (T) const __t = (T); \
664 if (TREE_CODE (__t) != (CODE1) \
665 && TREE_CODE (__t) != (CODE2) \
666 && TREE_CODE (__t) != (CODE3) \
667 && TREE_CODE (__t) != (CODE4)) \
668 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
669 (CODE1), (CODE2), (CODE3), (CODE4), 0); \
672 #define NON_TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
673 ({ __typeof (T) const __t = (T); \
674 if (TREE_CODE (__t) == (CODE1) \
675 || TREE_CODE (__t) == (CODE2) \
676 || TREE_CODE (__t) == (CODE3) \
677 || TREE_CODE (__t) == (CODE4)) \
678 tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
679 (CODE1), (CODE2), (CODE3), (CODE4), 0); \
682 #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
683 ({ __typeof (T) const __t = (T); \
684 if (TREE_CODE (__t) != (CODE1) \
685 && TREE_CODE (__t) != (CODE2) \
686 && TREE_CODE (__t) != (CODE3) \
687 && TREE_CODE (__t) != (CODE4) \
688 && TREE_CODE (__t) != (CODE5)) \
689 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
690 (CODE1), (CODE2), (CODE3), (CODE4), (CODE5), 0);\
693 #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
694 ({ __typeof (T) const __t = (T); \
695 if (TREE_CODE (__t) == (CODE1) \
696 || TREE_CODE (__t) == (CODE2) \
697 || TREE_CODE (__t) == (CODE3) \
698 || TREE_CODE (__t) == (CODE4) \
699 || TREE_CODE (__t) == (CODE5)) \
700 tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
701 (CODE1), (CODE2), (CODE3), (CODE4), (CODE5), 0);\
704 #define CONTAINS_STRUCT_CHECK(T, STRUCT) __extension__ \
705 ({ __typeof (T) const __t = (T); \
706 if (tree_contains_struct[TREE_CODE(__t)][(STRUCT)] != 1) \
707 tree_contains_struct_check_failed (__t, (STRUCT), __FILE__, __LINE__, \
711 #define TREE_CLASS_CHECK(T, CLASS) __extension__ \
712 ({ __typeof (T) const __t = (T); \
713 if (TREE_CODE_CLASS (TREE_CODE(__t)) != (CLASS)) \
714 tree_class_check_failed (__t, (CLASS), __FILE__, __LINE__, \
718 #define TREE_RANGE_CHECK(T, CODE1, CODE2) __extension__ \
719 ({ __typeof (T) const __t = (T); \
720 if (TREE_CODE (__t) < (CODE1) || TREE_CODE (__t) > (CODE2)) \
721 tree_range_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
725 #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) __extension__ \
726 ({ __typeof (T) const __t = (T); \
727 if (TREE_CODE (__t) != OMP_CLAUSE) \
728 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
730 if (__t->omp_clause.code != (CODE)) \
731 omp_clause_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
735 #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) __extension__ \
736 ({ __typeof (T) const __t = (T); \
737 if (TREE_CODE (__t) != OMP_CLAUSE) \
738 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
740 if ((int) __t->omp_clause.code < (int) (CODE1) \
741 || (int) __t->omp_clause.code > (int) (CODE2)) \
742 omp_clause_range_check_failed (__t, __FILE__, __LINE__, \
743 __FUNCTION__, (CODE1), (CODE2)); \
746 /* These checks have to be special cased. */
747 #define EXPR_CHECK(T) __extension__ \
748 ({ __typeof (T) const __t = (T); \
749 char const __c = TREE_CODE_CLASS (TREE_CODE (__t)); \
750 if (!IS_EXPR_CODE_CLASS (__c)) \
751 tree_class_check_failed (__t, tcc_expression, __FILE__, __LINE__, \
755 #define GIMPLE_STMT_CHECK(T) __extension__ \
756 ({ __typeof (T) const __t = (T); \
757 char const __c = TREE_CODE_CLASS (TREE_CODE (__t)); \
758 if (!IS_GIMPLE_STMT_CODE_CLASS (__c)) \
759 tree_class_check_failed (__t, tcc_gimple_stmt, __FILE__, __LINE__,\
763 /* These checks have to be special cased. */
764 #define NON_TYPE_CHECK(T) __extension__ \
765 ({ __typeof (T) const __t = (T); \
767 tree_not_class_check_failed (__t, tcc_type, __FILE__, __LINE__, \
771 #define TREE_VEC_ELT_CHECK(T, I) __extension__ \
772 (*({__typeof (T) const __t = (T); \
773 const int __i = (I); \
774 if (TREE_CODE (__t) != TREE_VEC) \
775 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
777 if (__i < 0 || __i >= __t->vec.length) \
778 tree_vec_elt_check_failed (__i, __t->vec.length, \
779 __FILE__, __LINE__, __FUNCTION__); \
780 &__t->vec.a[__i]; }))
782 #define PHI_NODE_ELT_CHECK(T, I) __extension__ \
783 (*({__typeof (T) const __t = (T); \
784 const int __i = (I); \
785 if (TREE_CODE (__t) != PHI_NODE) \
786 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
788 if (__i < 0 || __i >= __t->phi.capacity) \
789 phi_node_elt_check_failed (__i, __t->phi.num_args, \
790 __FILE__, __LINE__, __FUNCTION__); \
791 &__t->phi.a[__i]; }))
793 #define OMP_CLAUSE_ELT_CHECK(T, I) __extension__ \
794 (*({__typeof (T) const __t = (T); \
795 const int __i = (I); \
796 if (TREE_CODE (__t) != OMP_CLAUSE) \
797 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
799 if (__i < 0 || __i >= omp_clause_num_ops [__t->omp_clause.code]) \
800 omp_clause_operand_check_failed (__i, __t, __FILE__, __LINE__, \
802 &__t->omp_clause.ops[__i]; }))
804 /* Special checks for TREE_OPERANDs. */
805 #define TREE_OPERAND_CHECK(T, I) __extension__ \
806 (*({__typeof (T) const __t = EXPR_CHECK (T); \
807 const int __i = (I); \
808 if (GIMPLE_TUPLE_P (__t)) \
809 gcc_unreachable (); \
810 if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
811 tree_operand_check_failed (__i, __t, \
812 __FILE__, __LINE__, __FUNCTION__); \
813 &__t->exp.operands[__i]; }))
815 #define TREE_OPERAND_CHECK_CODE(T, CODE, I) __extension__ \
816 (*({__typeof (T) const __t = (T); \
817 const int __i = (I); \
818 if (TREE_CODE (__t) != CODE) \
819 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0);\
820 if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
821 tree_operand_check_failed (__i, __t, \
822 __FILE__, __LINE__, __FUNCTION__); \
823 &__t->exp.operands[__i]; }))
825 /* Special checks for GIMPLE_STMT_OPERANDs. */
826 #define GIMPLE_STMT_OPERAND_CHECK(T, I) __extension__ \
827 (*({__typeof (T) const __t = GIMPLE_STMT_CHECK (T); \
828 const int __i = (I); \
829 if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
830 tree_operand_check_failed (__i, __t, \
831 __FILE__, __LINE__, __FUNCTION__); \
832 &__t->gstmt.operands[__i]; }))
834 #define TREE_RTL_OPERAND_CHECK(T, CODE, I) __extension__ \
836 ({__typeof (T) const __t = (T); \
837 const int __i = (I); \
838 if (TREE_CODE (__t) != (CODE)) \
839 tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0); \
840 if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
841 tree_operand_check_failed (__i, __t, \
842 __FILE__, __LINE__, __FUNCTION__); \
843 &__t->exp.operands[__i]; }))
845 /* Nodes are chained together for many purposes.
846 Types are chained together to record them for being output to the debugger
847 (see the function `chain_type').
848 Decls in the same scope are chained together to record the contents
850 Statement nodes for successive statements used to be chained together.
851 Often lists of things are represented by TREE_LIST nodes that
852 are chained together. */
854 #define TREE_CHAIN(NODE) __extension__ \
855 (*({__typeof (NODE) const __t = (NODE); \
856 if (GIMPLE_TUPLE_P (__t)) \
857 gcc_unreachable (); \
858 &__t->common.chain; }))
860 /* In all nodes that are expressions, this is the data type of the expression.
861 In POINTER_TYPE nodes, this is the type that the pointer points to.
862 In ARRAY_TYPE nodes, this is the type of the elements.
863 In VECTOR_TYPE nodes, this is the type of the elements. */
864 #define TREE_TYPE(NODE) __extension__ \
865 (*({__typeof (NODE) const __t = (NODE); \
866 if (GIMPLE_TUPLE_P (__t)) \
867 gcc_unreachable (); \
868 &__t->common.type; }))
870 extern void tree_contains_struct_check_failed (const_tree,
871 const enum tree_node_structure_enum,
872 const char *, int, const char *)
875 extern void tree_check_failed (const_tree, const char *, int, const char *,
876 ...) ATTRIBUTE_NORETURN;
877 extern void tree_not_check_failed (const_tree, const char *, int, const char *,
878 ...) ATTRIBUTE_NORETURN;
879 extern void tree_class_check_failed (const_tree, const enum tree_code_class,
880 const char *, int, const char *)
882 extern void tree_range_check_failed (const_tree, const char *, int,
883 const char *, enum tree_code,
885 extern void tree_not_class_check_failed (const_tree,
886 const enum tree_code_class,
887 const char *, int, const char *)
889 extern void tree_vec_elt_check_failed (int, int, const char *,
892 extern void phi_node_elt_check_failed (int, int, const char *,
895 extern void tree_operand_check_failed (int, const_tree,
896 const char *, int, const char *)
898 extern void omp_clause_check_failed (const_tree, const char *, int,
899 const char *, enum omp_clause_code)
901 extern void omp_clause_operand_check_failed (int, const_tree, const char *,
904 extern void omp_clause_range_check_failed (const_tree, const char *, int,
905 const char *, enum omp_clause_code,
906 enum omp_clause_code)
909 #else /* not ENABLE_TREE_CHECKING, or not gcc */
911 #define CONTAINS_STRUCT_CHECK(T, ENUM) (T)
912 #define TREE_CHECK(T, CODE) (T)
913 #define TREE_NOT_CHECK(T, CODE) (T)
914 #define TREE_CHECK2(T, CODE1, CODE2) (T)
915 #define TREE_NOT_CHECK2(T, CODE1, CODE2) (T)
916 #define TREE_CHECK3(T, CODE1, CODE2, CODE3) (T)
917 #define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) (T)
918 #define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
919 #define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
920 #define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
921 #define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
922 #define TREE_CLASS_CHECK(T, CODE) (T)
923 #define TREE_RANGE_CHECK(T, CODE1, CODE2) (T)
924 #define EXPR_CHECK(T) (T)
925 #define GIMPLE_STMT_CHECK(T) (T)
926 #define NON_TYPE_CHECK(T) (T)
927 #define TREE_VEC_ELT_CHECK(T, I) ((T)->vec.a[I])
928 #define TREE_OPERAND_CHECK(T, I) ((T)->exp.operands[I])
929 #define TREE_OPERAND_CHECK_CODE(T, CODE, I) ((T)->exp.operands[I])
930 #define GIMPLE_STMT_OPERAND_CHECK(T, I) ((T)->gstmt.operands[I])
931 #define TREE_RTL_OPERAND_CHECK(T, CODE, I) (*(rtx *) &((T)->exp.operands[I]))
932 #define PHI_NODE_ELT_CHECK(T, i) ((T)->phi.a[i])
933 #define OMP_CLAUSE_ELT_CHECK(T, i) ((T)->omp_clause.ops[i])
934 #define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) (T)
935 #define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) (T)
937 #define TREE_CHAIN(NODE) ((NODE)->common.chain)
938 #define TREE_TYPE(NODE) ((NODE)->common.type)
942 #define TREE_BLOCK(NODE) *(tree_block (NODE))
944 #include "tree-check.h"
946 #define TYPE_CHECK(T) TREE_CLASS_CHECK (T, tcc_type)
947 #define DECL_MINIMAL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_MINIMAL)
948 #define TREE_MEMORY_TAG_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_MEMORY_TAG)
949 #define DECL_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_COMMON)
950 #define DECL_WRTL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WRTL)
951 #define DECL_WITH_VIS_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WITH_VIS)
952 #define DECL_NON_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_NON_COMMON)
953 #define CST_CHECK(T) TREE_CLASS_CHECK (T, tcc_constant)
954 #define STMT_CHECK(T) TREE_CLASS_CHECK (T, tcc_statement)
955 #define VL_EXP_CHECK(T) TREE_CLASS_CHECK (T, tcc_vl_exp)
956 #define FUNC_OR_METHOD_CHECK(T) TREE_CHECK2 (T, FUNCTION_TYPE, METHOD_TYPE)
957 #define PTR_OR_REF_CHECK(T) TREE_CHECK2 (T, POINTER_TYPE, REFERENCE_TYPE)
959 #define RECORD_OR_UNION_CHECK(T) \
960 TREE_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
961 #define NOT_RECORD_OR_UNION_CHECK(T) \
962 TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
964 #define NUMERICAL_TYPE_CHECK(T) \
965 TREE_CHECK5 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE, \
968 /* Nonzero if NODE is a GIMPLE statement. */
969 #define GIMPLE_STMT_P(NODE) \
970 (TREE_CODE_CLASS (TREE_CODE ((NODE))) == tcc_gimple_stmt)
972 /* Nonzero if NODE is a GIMPLE tuple. */
973 #define GIMPLE_TUPLE_P(NODE) (GIMPLE_STMT_P (NODE) || TREE_CODE (NODE) == PHI_NODE)
975 /* A GIMPLE tuple that has a ``locus'' field. */
976 #define GIMPLE_TUPLE_HAS_LOCUS_P(NODE) GIMPLE_STMT_P ((NODE))
978 /* Like TREE_OPERAND but works with GIMPLE stmt tuples as well.
980 If you know the NODE is a GIMPLE statement, use GIMPLE_STMT_OPERAND. If the
981 NODE code is unknown at compile time, use this macro. */
982 #define GENERIC_TREE_OPERAND(NODE, I) *(generic_tree_operand ((NODE), (I)))
984 /* Like TREE_TYPE but returns void_type_node for gimple tuples that have
987 #define GENERIC_TREE_TYPE(NODE) *(generic_tree_type ((NODE)))
989 /* Here is how primitive or already-canonicalized types' hash codes
991 #define TYPE_HASH(TYPE) (TYPE_UID (TYPE))
993 /* A simple hash function for an arbitrary tree node. This must not be
994 used in hash tables which are saved to a PCH. */
995 #define TREE_HASH(NODE) ((size_t) (NODE) & 0777777)
997 /* The TREE_CHAIN but it is able to handle tuples. */
998 #define GENERIC_NEXT(NODE) \
999 (TREE_CODE (NODE) == PHI_NODE ? PHI_CHAIN (NODE) : \
1000 GIMPLE_STMT_P (NODE) ? NULL_TREE : TREE_CHAIN (NODE))
1002 /* Given an expression as a tree, strip any NON_LVALUE_EXPRs and NOP_EXPRs
1003 that don't change the machine mode. */
1005 #define STRIP_NOPS(EXP) \
1006 while ((TREE_CODE (EXP) == NOP_EXPR \
1007 || TREE_CODE (EXP) == CONVERT_EXPR \
1008 || TREE_CODE (EXP) == NON_LVALUE_EXPR) \
1009 && TREE_OPERAND (EXP, 0) != error_mark_node \
1010 && (TYPE_MODE (TREE_TYPE (EXP)) \
1011 == TYPE_MODE (GENERIC_TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
1012 (EXP) = TREE_OPERAND (EXP, 0)
1014 /* Like STRIP_NOPS, but don't let the signedness change either. */
1016 #define STRIP_SIGN_NOPS(EXP) \
1017 while ((TREE_CODE (EXP) == NOP_EXPR \
1018 || TREE_CODE (EXP) == CONVERT_EXPR \
1019 || TREE_CODE (EXP) == NON_LVALUE_EXPR) \
1020 && TREE_OPERAND (EXP, 0) != error_mark_node \
1021 && (TYPE_MODE (TREE_TYPE (EXP)) \
1022 == TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
1023 && (TYPE_UNSIGNED (TREE_TYPE (EXP)) \
1024 == TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
1025 && (POINTER_TYPE_P (TREE_TYPE (EXP)) \
1026 == POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
1027 (EXP) = TREE_OPERAND (EXP, 0)
1029 /* Like STRIP_NOPS, but don't alter the TREE_TYPE either. */
1031 #define STRIP_TYPE_NOPS(EXP) \
1032 while ((TREE_CODE (EXP) == NOP_EXPR \
1033 || TREE_CODE (EXP) == CONVERT_EXPR \
1034 || TREE_CODE (EXP) == NON_LVALUE_EXPR) \
1035 && TREE_OPERAND (EXP, 0) != error_mark_node \
1036 && (TREE_TYPE (EXP) \
1037 == TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
1038 (EXP) = TREE_OPERAND (EXP, 0)
1040 /* Remove unnecessary type conversions according to
1041 tree_ssa_useless_type_conversion. */
1043 #define STRIP_USELESS_TYPE_CONVERSION(EXP) \
1044 while (tree_ssa_useless_type_conversion (EXP)) \
1045 EXP = TREE_OPERAND (EXP, 0)
1047 /* Nonzero if TYPE represents an integral type. Note that we do not
1048 include COMPLEX types here. Keep these checks in ascending code
1051 #define INTEGRAL_TYPE_P(TYPE) \
1052 (TREE_CODE (TYPE) == ENUMERAL_TYPE \
1053 || TREE_CODE (TYPE) == BOOLEAN_TYPE \
1054 || TREE_CODE (TYPE) == INTEGER_TYPE)
1056 /* Nonzero if TYPE represents a non-saturating fixed-point type. */
1058 #define NON_SAT_FIXED_POINT_TYPE_P(TYPE) \
1059 (TREE_CODE (TYPE) == FIXED_POINT_TYPE && !TYPE_SATURATING (TYPE))
1061 /* Nonzero if TYPE represents a saturating fixed-point type. */
1063 #define SAT_FIXED_POINT_TYPE_P(TYPE) \
1064 (TREE_CODE (TYPE) == FIXED_POINT_TYPE && TYPE_SATURATING (TYPE))
1066 /* Nonzero if TYPE represents a fixed-point type. */
1068 #define FIXED_POINT_TYPE_P(TYPE) (TREE_CODE (TYPE) == FIXED_POINT_TYPE)
1070 /* Nonzero if TYPE represents a scalar floating-point type. */
1072 #define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
1074 /* Nonzero if TYPE represents a complex floating-point type. */
1076 #define COMPLEX_FLOAT_TYPE_P(TYPE) \
1077 (TREE_CODE (TYPE) == COMPLEX_TYPE \
1078 && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
1080 /* Nonzero if TYPE represents a vector floating-point type. */
1082 #define VECTOR_FLOAT_TYPE_P(TYPE) \
1083 (TREE_CODE (TYPE) == VECTOR_TYPE \
1084 && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
1086 /* Nonzero if TYPE represents a floating-point type, including complex
1087 and vector floating-point types. The vector and complex check does
1088 not use the previous two macros to enable early folding. */
1090 #define FLOAT_TYPE_P(TYPE) \
1091 (SCALAR_FLOAT_TYPE_P (TYPE) \
1092 || ((TREE_CODE (TYPE) == COMPLEX_TYPE \
1093 || TREE_CODE (TYPE) == VECTOR_TYPE) \
1094 && SCALAR_FLOAT_TYPE_P (TREE_TYPE (TYPE))))
1096 /* Nonzero if TYPE represents a decimal floating-point type. */
1097 #define DECIMAL_FLOAT_TYPE_P(TYPE) \
1098 (SCALAR_FLOAT_TYPE_P (TYPE) \
1099 && DECIMAL_FLOAT_MODE_P (TYPE_MODE (TYPE)))
1101 /* Nonzero if TYPE represents an aggregate (multi-component) type.
1102 Keep these checks in ascending code order. */
1104 #define AGGREGATE_TYPE_P(TYPE) \
1105 (TREE_CODE (TYPE) == ARRAY_TYPE || TREE_CODE (TYPE) == RECORD_TYPE \
1106 || TREE_CODE (TYPE) == UNION_TYPE || TREE_CODE (TYPE) == QUAL_UNION_TYPE)
1108 /* Nonzero if TYPE represents a pointer or reference type.
1109 (It should be renamed to INDIRECT_TYPE_P.) Keep these checks in
1110 ascending code order. */
1112 #define POINTER_TYPE_P(TYPE) \
1113 (TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
1115 /* Nonzero if this type is a complete type. */
1116 #define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
1118 /* Nonzero if this type is the (possibly qualified) void type. */
1119 #define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE)
1121 /* Nonzero if this type is complete or is cv void. */
1122 #define COMPLETE_OR_VOID_TYPE_P(NODE) \
1123 (COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE))
1125 /* Nonzero if this type is complete or is an array with unspecified bound. */
1126 #define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
1127 (COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
1130 /* Define many boolean fields that all tree nodes have. */
1132 /* In VAR_DECL nodes, nonzero means address of this is needed.
1133 So it cannot be in a register.
1134 In a FUNCTION_DECL, nonzero means its address is needed.
1135 So it must be compiled even if it is an inline function.
1136 In a FIELD_DECL node, it means that the programmer is permitted to
1137 construct the address of this field. This is used for aliasing
1138 purposes: see record_component_aliases.
1139 In CONSTRUCTOR nodes, it means object constructed must be in memory.
1140 In LABEL_DECL nodes, it means a goto for this label has been seen
1141 from a place outside all binding contours that restore stack levels.
1142 In ..._TYPE nodes, it means that objects of this type must
1143 be fully addressable. This means that pieces of this
1144 object cannot go into register parameters, for example.
1145 In IDENTIFIER_NODEs, this means that some extern decl for this name
1146 had its address taken. That matters for inline functions. */
1147 #define TREE_ADDRESSABLE(NODE) ((NODE)->base.addressable_flag)
1149 /* Set on a CALL_EXPR if the call is in a tail position, ie. just before the
1150 exit of a function. Calls for which this is true are candidates for tail
1151 call optimizations. */
1152 #define CALL_EXPR_TAILCALL(NODE) \
1153 (CALL_EXPR_CHECK(NODE)->base.addressable_flag)
1155 /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
1156 CASE_LOW operand has been processed. */
1157 #define CASE_LOW_SEEN(NODE) \
1158 (CASE_LABEL_EXPR_CHECK (NODE)->base.addressable_flag)
1160 /* In a VAR_DECL, nonzero means allocate static storage.
1161 In a FUNCTION_DECL, nonzero if function has been defined.
1162 In a CONSTRUCTOR, nonzero means allocate static storage.
1164 ??? This is also used in lots of other nodes in unclear ways which
1165 should be cleaned up some day. */
1166 #define TREE_STATIC(NODE) ((NODE)->base.static_flag)
1168 /* In a TARGET_EXPR, WITH_CLEANUP_EXPR, means that the pertinent cleanup
1169 should only be executed if an exception is thrown, not on normal exit
1171 #define CLEANUP_EH_ONLY(NODE) ((NODE)->base.static_flag)
1173 /* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
1174 CASE_HIGH operand has been processed. */
1175 #define CASE_HIGH_SEEN(NODE) \
1176 (CASE_LABEL_EXPR_CHECK (NODE)->base.static_flag)
1178 /* Used to mark a CALL_EXPR as not suitable for inlining. */
1179 #define CALL_CANNOT_INLINE_P(NODE) ((NODE)->base.static_flag)
1181 /* In an expr node (usually a conversion) this means the node was made
1182 implicitly and should not lead to any sort of warning. In a decl node,
1183 warnings concerning the decl should be suppressed. This is used at
1184 least for used-before-set warnings, and it set after one warning is
1186 #define TREE_NO_WARNING(NODE) ((NODE)->base.nowarning_flag)
1188 /* In an IDENTIFIER_NODE, this means that assemble_name was called with
1189 this string as an argument. */
1190 #define TREE_SYMBOL_REFERENCED(NODE) \
1191 (IDENTIFIER_NODE_CHECK (NODE)->base.static_flag)
1193 /* Nonzero in a pointer or reference type means the data pointed to
1194 by this type can alias anything. */
1195 #define TYPE_REF_CAN_ALIAS_ALL(NODE) \
1196 (PTR_OR_REF_CHECK (NODE)->base.static_flag)
1198 /* In a MODIFY_EXPR, means that the store in the expression is nontemporal. */
1199 #define MOVE_NONTEMPORAL(NODE) \
1200 (GIMPLE_MODIFY_STMT_CHECK (NODE)->base.static_flag)
1202 /* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means
1203 there was an overflow in folding. */
1205 #define TREE_OVERFLOW(NODE) (CST_CHECK (NODE)->base.public_flag)
1207 /* ??? This is an obsolete synonym for TREE_OVERFLOW. */
1208 #define TREE_CONSTANT_OVERFLOW(NODE) TREE_OVERFLOW(NODE)
1210 /* TREE_OVERFLOW can only be true for EXPR of CONSTANT_CLASS_P. */
1212 #define TREE_OVERFLOW_P(EXPR) \
1213 (CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
1215 /* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_DECL,
1216 nonzero means name is to be accessible from outside this module.
1217 In an IDENTIFIER_NODE, nonzero means an external declaration
1218 accessible from outside this module was previously seen
1219 for this name in an inner scope. */
1220 #define TREE_PUBLIC(NODE) ((NODE)->base.public_flag)
1222 /* In a _TYPE, indicates whether TYPE_CACHED_VALUES contains a vector
1223 of cached values, or is something else. */
1224 #define TYPE_CACHED_VALUES_P(NODE) (TYPE_CHECK(NODE)->base.public_flag)
1226 /* In a SAVE_EXPR, indicates that the original expression has already
1227 been substituted with a VAR_DECL that contains the value. */
1228 #define SAVE_EXPR_RESOLVED_P(NODE) \
1229 (TREE_CHECK (NODE, SAVE_EXPR)->base.public_flag)
1231 /* Set on a CALL_EXPR if this stdarg call should be passed the argument
1233 #define CALL_EXPR_VA_ARG_PACK(NODE) \
1234 (CALL_EXPR_CHECK(NODE)->base.public_flag)
1236 /* In any expression, decl, or constant, nonzero means it has side effects or
1237 reevaluation of the whole expression could produce a different value.
1238 This is set if any subexpression is a function call, a side effect or a
1239 reference to a volatile variable. In a ..._DECL, this is set only if the
1240 declaration said `volatile'. This will never be set for a constant. */
1241 #define TREE_SIDE_EFFECTS(NODE) \
1242 (NON_TYPE_CHECK (NODE)->base.side_effects_flag)
1244 /* In a LABEL_DECL, nonzero means this label had its address taken
1245 and therefore can never be deleted and is a jump target for
1247 #define FORCED_LABEL(NODE) ((NODE)->base.side_effects_flag)
1249 /* Nonzero means this expression is volatile in the C sense:
1250 its address should be of type `volatile WHATEVER *'.
1251 In other words, the declared item is volatile qualified.
1252 This is used in _DECL nodes and _REF nodes.
1253 On a FUNCTION_DECL node, this means the function does not
1254 return normally. This is the same effect as setting
1255 the attribute noreturn on the function in C.
1257 In a ..._TYPE node, means this type is volatile-qualified.
1258 But use TYPE_VOLATILE instead of this macro when the node is a type,
1259 because eventually we may make that a different bit.
1261 If this bit is set in an expression, so is TREE_SIDE_EFFECTS. */
1262 #define TREE_THIS_VOLATILE(NODE) ((NODE)->base.volatile_flag)
1264 /* Nonzero means this node will not trap. In an INDIRECT_REF, means
1265 accessing the memory pointed to won't generate a trap. However,
1266 this only applies to an object when used appropriately: it doesn't
1267 mean that writing a READONLY mem won't trap. Similarly for
1268 ALIGN_INDIRECT_REF and MISALIGNED_INDIRECT_REF.
1270 In ARRAY_REF and ARRAY_RANGE_REF means that we know that the index
1271 (or slice of the array) always belongs to the range of the array.
1272 I.e. that the access will not trap, provided that the access to
1273 the base to the array will not trap. */
1274 #define TREE_THIS_NOTRAP(NODE) ((NODE)->base.nothrow_flag)
1276 /* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
1277 nonzero means it may not be the lhs of an assignment. */
1278 #define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->base.readonly_flag)
1280 /* Nonzero if NODE is a _DECL with TREE_READONLY set. */
1281 #define TREE_READONLY_DECL_P(NODE)\
1282 (DECL_P (NODE) && TREE_READONLY (NODE))
1284 /* Value of expression is constant. Always on in all ..._CST nodes. May
1285 also appear in an expression or decl where the value is constant. */
1286 #define TREE_CONSTANT(NODE) (NON_TYPE_CHECK (NODE)->base.constant_flag)
1288 /* Nonzero if NODE, a type, has had its sizes gimplified. */
1289 #define TYPE_SIZES_GIMPLIFIED(NODE) \
1290 (TYPE_CHECK (NODE)->base.constant_flag)
1292 /* In a decl (most significantly a FIELD_DECL), means an unsigned field. */
1293 #define DECL_UNSIGNED(NODE) \
1294 (DECL_COMMON_CHECK (NODE)->base.unsigned_flag)
1296 /* In a BIT_FIELD_REF, means the bitfield is to be interpreted as unsigned. */
1297 #define BIT_FIELD_REF_UNSIGNED(NODE) \
1298 (BIT_FIELD_REF_CHECK (NODE)->base.unsigned_flag)
1300 /* In integral and pointer types, means an unsigned type. */
1301 #define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->base.unsigned_flag)
1303 /* Nonzero in a VAR_DECL means assembler code has been written.
1304 Nonzero in a FUNCTION_DECL means that the function has been compiled.
1305 This is interesting in an inline function, since it might not need
1306 to be compiled separately.
1307 Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ENUMERAL_TYPE
1308 if the sdb debugging info for the type has been written.
1309 In a BLOCK node, nonzero if reorder_blocks has already seen this block.
1310 In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
1312 #define TREE_ASM_WRITTEN(NODE) ((NODE)->base.asm_written_flag)
1314 /* Nonzero in a _DECL if the name is used in its scope.
1315 Nonzero in an expr node means inhibit warning if value is unused.
1316 In IDENTIFIER_NODEs, this means that some extern decl for this name
1318 In a BLOCK, this means that the block contains variables that are used. */
1319 #define TREE_USED(NODE) ((NODE)->base.used_flag)
1321 /* In a FUNCTION_DECL, nonzero means a call to the function cannot throw
1322 an exception. In a CALL_EXPR, nonzero means the call cannot throw. */
1323 #define TREE_NOTHROW(NODE) ((NODE)->base.nothrow_flag)
1325 /* In a CALL_EXPR, means that it's safe to use the target of the call
1326 expansion as the return slot for a call that returns in memory. */
1327 #define CALL_EXPR_RETURN_SLOT_OPT(NODE) ((NODE)->base.private_flag)
1329 /* In a RESULT_DECL or PARM_DECL, means that it is passed by invisible
1330 reference (and the TREE_TYPE is a pointer to the true type). */
1331 #define DECL_BY_REFERENCE(NODE) \
1332 (DECL_COMMON_CHECK (NODE)->base.private_flag)
1334 /* In a CALL_EXPR, means that the call is the jump from a thunk to the
1335 thunked-to function. */
1336 #define CALL_FROM_THUNK_P(NODE) \
1337 (CALL_EXPR_CHECK (NODE)->base.protected_flag)
1339 /* In a type, nonzero means that all objects of the type are guaranteed by the
1340 language or front-end to be properly aligned, so we can indicate that a MEM
1341 of this type is aligned at least to the alignment of the type, even if it
1342 doesn't appear that it is. We see this, for example, in object-oriented
1343 languages where a tag field may show this is an object of a more-aligned
1344 variant of the more generic type.
1346 In an SSA_NAME node, nonzero if the SSA_NAME node is on the SSA_NAME
1348 #define TYPE_ALIGN_OK(NODE) (TYPE_CHECK (NODE)->base.nothrow_flag)
1350 /* Used in classes in C++. */
1351 #define TREE_PRIVATE(NODE) ((NODE)->base.private_flag)
1352 /* Used in classes in C++.
1353 In a BLOCK node, this is BLOCK_HANDLER_BLOCK. */
1354 #define TREE_PROTECTED(NODE) ((NODE)->base.protected_flag)
1356 /* Nonzero in a _DECL if the use of the name is defined as a
1357 deprecated feature by __attribute__((deprecated)). */
1358 #define TREE_DEPRECATED(NODE) \
1359 ((NODE)->base.deprecated_flag)
1361 /* Nonzero in an IDENTIFIER_NODE if the name is a local alias, whose
1362 uses are to be substituted for uses of the TREE_CHAINed identifier. */
1363 #define IDENTIFIER_TRANSPARENT_ALIAS(NODE) \
1364 (IDENTIFIER_NODE_CHECK (NODE)->base.deprecated_flag)
1366 /* Value of expression is function invariant. A strict subset of
1367 TREE_CONSTANT, such an expression is constant over any one function
1368 invocation, though not across different invocations. May appear in
1369 any expression node. */
1370 #define TREE_INVARIANT(NODE) ((NODE)->base.invariant_flag)
1372 /* In fixed-point types, means a saturating type. */
1373 #define TYPE_SATURATING(NODE) ((NODE)->base.saturating_flag)
1375 /* These flags are available for each language front end to use internally. */
1376 #define TREE_LANG_FLAG_0(NODE) ((NODE)->base.lang_flag_0)
1377 #define TREE_LANG_FLAG_1(NODE) ((NODE)->base.lang_flag_1)
1378 #define TREE_LANG_FLAG_2(NODE) ((NODE)->base.lang_flag_2)
1379 #define TREE_LANG_FLAG_3(NODE) ((NODE)->base.lang_flag_3)
1380 #define TREE_LANG_FLAG_4(NODE) ((NODE)->base.lang_flag_4)
1381 #define TREE_LANG_FLAG_5(NODE) ((NODE)->base.lang_flag_5)
1382 #define TREE_LANG_FLAG_6(NODE) ((NODE)->base.lang_flag_6)
1384 /* Define additional fields and accessors for nodes representing constants. */
1386 /* In an INTEGER_CST node. These two together make a 2-word integer.
1387 If the data type is signed, the value is sign-extended to 2 words
1388 even though not all of them may really be in use.
1389 In an unsigned constant shorter than 2 words, the extra bits are 0. */
1390 #define TREE_INT_CST(NODE) (INTEGER_CST_CHECK (NODE)->int_cst.int_cst)
1391 #define TREE_INT_CST_LOW(NODE) (TREE_INT_CST (NODE).low)
1392 #define TREE_INT_CST_HIGH(NODE) (TREE_INT_CST (NODE).high)
1394 #define INT_CST_LT(A, B) \
1395 (TREE_INT_CST_HIGH (A) < TREE_INT_CST_HIGH (B) \
1396 || (TREE_INT_CST_HIGH (A) == TREE_INT_CST_HIGH (B) \
1397 && TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
1399 #define INT_CST_LT_UNSIGNED(A, B) \
1400 (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
1401 < (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
1402 || (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
1403 == (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
1404 && TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
1406 struct tree_int_cst GTY(())
1408 struct tree_common common;
1412 /* In a REAL_CST node. struct real_value is an opaque entity, with
1413 manipulators defined in real.h. We don't want tree.h depending on
1414 real.h and transitively on tm.h. */
1417 #define TREE_REAL_CST_PTR(NODE) (REAL_CST_CHECK (NODE)->real_cst.real_cst_ptr)
1418 #define TREE_REAL_CST(NODE) (*TREE_REAL_CST_PTR (NODE))
1420 struct tree_real_cst GTY(())
1422 struct tree_common common;
1423 struct real_value * real_cst_ptr;
1426 /* In a FIXED_CST node. */
1429 #define TREE_FIXED_CST_PTR(NODE) (FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
1430 #define TREE_FIXED_CST(NODE) (*TREE_FIXED_CST_PTR (NODE))
1432 struct tree_fixed_cst GTY(())
1434 struct tree_common common;
1435 struct fixed_value * fixed_cst_ptr;
1438 /* In a STRING_CST */
1439 #define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
1440 #define TREE_STRING_POINTER(NODE) \
1441 ((const char *)(STRING_CST_CHECK (NODE)->string.str))
1443 struct tree_string GTY(())
1445 struct tree_common common;
1450 /* In a COMPLEX_CST node. */
1451 #define TREE_REALPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.real)
1452 #define TREE_IMAGPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.imag)
1454 struct tree_complex GTY(())
1456 struct tree_common common;
1461 /* In a VECTOR_CST node. */
1462 #define TREE_VECTOR_CST_ELTS(NODE) (VECTOR_CST_CHECK (NODE)->vector.elements)
1464 struct tree_vector GTY(())
1466 struct tree_common common;
1472 /* Define fields and accessors for some special-purpose tree nodes. */
1474 #define IDENTIFIER_LENGTH(NODE) \
1475 (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len)
1476 #define IDENTIFIER_POINTER(NODE) \
1477 ((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str)
1478 #define IDENTIFIER_HASH_VALUE(NODE) \
1479 (IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value)
1481 /* Translate a hash table identifier pointer to a tree_identifier
1482 pointer, and vice versa. */
1484 #define HT_IDENT_TO_GCC_IDENT(NODE) \
1485 ((tree) ((char *) (NODE) - sizeof (struct tree_common)))
1486 #define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
1488 struct tree_identifier GTY(())
1490 struct tree_common common;
1491 struct ht_identifier id;
1494 /* In a TREE_LIST node. */
1495 #define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
1496 #define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
1498 struct tree_list GTY(())
1500 struct tree_common common;
1505 /* In a TREE_VEC node. */
1506 #define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->vec.length)
1507 #define TREE_VEC_END(NODE) \
1508 ((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->vec.length]))
1510 #define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
1512 struct tree_vec GTY(())
1514 struct tree_common common;
1516 tree GTY ((length ("TREE_VEC_LENGTH ((tree)&%h)"))) a[1];
1519 /* In a CONSTRUCTOR node. */
1520 #define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
1522 /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding the
1523 value of each element (stored within VAL). IX must be a scratch variable
1524 of unsigned integer type. */
1525 #define FOR_EACH_CONSTRUCTOR_VALUE(V, IX, VAL) \
1526 for (IX = 0; (IX >= VEC_length (constructor_elt, V)) \
1528 : ((VAL = VEC_index (constructor_elt, V, IX)->value), \
1532 /* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding both
1533 the value of each element (stored within VAL) and its index (stored
1534 within INDEX). IX must be a scratch variable of unsigned integer type. */
1535 #define FOR_EACH_CONSTRUCTOR_ELT(V, IX, INDEX, VAL) \
1536 for (IX = 0; (IX >= VEC_length (constructor_elt, V)) \
1538 : ((VAL = VEC_index (constructor_elt, V, IX)->value), \
1539 (INDEX = VEC_index (constructor_elt, V, IX)->index), \
1543 /* Append a new constructor element to V, with the specified INDEX and VAL. */
1544 #define CONSTRUCTOR_APPEND_ELT(V, INDEX, VALUE) \
1546 constructor_elt *_ce___ = VEC_safe_push (constructor_elt, gc, V, NULL); \
1547 _ce___->index = INDEX; \
1548 _ce___->value = VALUE; \
1551 /* A single element of a CONSTRUCTOR. VALUE holds the actual value of the
1552 element. INDEX can optionally design the position of VALUE: in arrays,
1553 it is the index where VALUE has to be placed; in structures, it is the
1554 FIELD_DECL of the member. */
1555 typedef struct constructor_elt_d GTY(())
1561 DEF_VEC_O(constructor_elt);
1562 DEF_VEC_ALLOC_O(constructor_elt,gc);
1564 struct tree_constructor GTY(())
1566 struct tree_common common;
1567 VEC(constructor_elt,gc) *elts;
1570 /* Define fields and accessors for some nodes that represent expressions. */
1572 /* Nonzero if NODE is an empty statement (NOP_EXPR <0>). */
1573 #define IS_EMPTY_STMT(NODE) (TREE_CODE (NODE) == NOP_EXPR \
1574 && VOID_TYPE_P (TREE_TYPE (NODE)) \
1575 && integer_zerop (TREE_OPERAND (NODE, 0)))
1577 /* In ordinary expression nodes. */
1578 #define TREE_OPERAND_LENGTH(NODE) tree_operand_length (NODE)
1579 #define TREE_OPERAND(NODE, I) TREE_OPERAND_CHECK (NODE, I)
1581 /* In a tcc_vl_exp node, operand 0 is an INT_CST node holding the operand
1582 length. Its value includes the length operand itself; that is,
1583 the minimum valid length is 1.
1584 Note that we have to bypass the use of TREE_OPERAND to access
1585 that field to avoid infinite recursion in expanding the macros. */
1586 #define VL_EXP_OPERAND_LENGTH(NODE) \
1587 ((int)TREE_INT_CST_LOW (VL_EXP_CHECK (NODE)->exp.operands[0]))
1589 /* In gimple statements. */
1590 #define GIMPLE_STMT_OPERAND(NODE, I) GIMPLE_STMT_OPERAND_CHECK (NODE, I)
1591 #define GIMPLE_STMT_LOCUS(NODE) (GIMPLE_STMT_CHECK (NODE)->gstmt.locus)
1592 #define GIMPLE_STMT_BLOCK(NODE) (GIMPLE_STMT_CHECK (NODE)->gstmt.block)
1594 /* In a LOOP_EXPR node. */
1595 #define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
1597 /* The source location of this expression. Non-tree_exp nodes such as
1598 decls and constants can be shared among multiple locations, so
1600 #define EXPR_LOCATION(NODE) expr_location ((NODE))
1601 #define SET_EXPR_LOCATION(NODE, FROM) set_expr_location ((NODE), (FROM))
1602 #define EXPR_HAS_LOCATION(NODE) expr_has_location ((NODE))
1603 #define EXPR_LOCUS(NODE) expr_locus ((NODE))
1604 #define SET_EXPR_LOCUS(NODE, FROM) set_expr_locus ((NODE), (FROM))
1605 #define EXPR_FILENAME(NODE) (expr_filename ((NODE)))
1606 #define EXPR_LINENO(NODE) (expr_lineno ((NODE)))
1608 /* True if a tree is an expression or statement that can have a
1610 #define CAN_HAVE_LOCATION_P(NODE) (EXPR_P (NODE) || GIMPLE_STMT_P (NODE))
1612 /* In a TARGET_EXPR node. */
1613 #define TARGET_EXPR_SLOT(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 0)
1614 #define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 1)
1615 #define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 2)
1617 /* DECL_EXPR accessor. This gives access to the DECL associated with
1618 the given declaration statement. */
1619 #define DECL_EXPR_DECL(NODE) TREE_OPERAND (DECL_EXPR_CHECK (NODE), 0)
1621 #define EXIT_EXPR_COND(NODE) TREE_OPERAND (EXIT_EXPR_CHECK (NODE), 0)
1623 /* SWITCH_EXPR accessors. These give access to the condition, body and
1624 original condition type (before any compiler conversions)
1625 of the switch statement, respectively. */
1626 #define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 0)
1627 #define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 1)
1628 #define SWITCH_LABELS(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 2)
1630 /* CASE_LABEL_EXPR accessors. These give access to the high and low values
1631 of a case label, respectively. */
1632 #define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 0)
1633 #define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 1)
1634 #define CASE_LABEL(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 2)
1636 /* The operands of a TARGET_MEM_REF. */
1637 #define TMR_SYMBOL(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 0))
1638 #define TMR_BASE(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 1))
1639 #define TMR_INDEX(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 2))
1640 #define TMR_STEP(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 3))
1641 #define TMR_OFFSET(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 4))
1642 #define TMR_ORIGINAL(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 5))
1643 #define TMR_TAG(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 6))
1645 /* The operands of a BIND_EXPR. */
1646 #define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
1647 #define BIND_EXPR_BODY(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 1))
1648 #define BIND_EXPR_BLOCK(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 2))
1650 /* GOTO_EXPR accessor. This gives access to the label associated with
1651 a goto statement. */
1652 #define GOTO_DESTINATION(NODE) TREE_OPERAND ((NODE), 0)
1654 /* ASM_EXPR accessors. ASM_STRING returns a STRING_CST for the
1655 instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
1656 ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
1658 #define ASM_STRING(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 0)
1659 #define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 1)
1660 #define ASM_INPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
1661 #define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
1662 /* Nonzero if we want to create an ASM_INPUT instead of an
1663 ASM_OPERAND with no operands. */
1664 #define ASM_INPUT_P(NODE) (TREE_STATIC (NODE))
1665 #define ASM_VOLATILE_P(NODE) (TREE_PUBLIC (NODE))
1667 /* COND_EXPR accessors. */
1668 #define COND_EXPR_COND(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 0))
1669 #define COND_EXPR_THEN(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
1670 #define COND_EXPR_ELSE(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
1672 /* Accessors for the chains of recurrences. */
1673 #define CHREC_VAR(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 0)
1674 #define CHREC_LEFT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 1)
1675 #define CHREC_RIGHT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 2)
1676 #define CHREC_VARIABLE(NODE) TREE_INT_CST_LOW (CHREC_VAR (NODE))
1678 /* LABEL_EXPR accessor. This gives access to the label associated with
1679 the given label expression. */
1680 #define LABEL_EXPR_LABEL(NODE) TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)
1682 /* VDEF_EXPR accessors are specified in tree-flow.h, along with the other
1683 accessors for SSA operands. */
1685 /* CATCH_EXPR accessors. */
1686 #define CATCH_TYPES(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 0)
1687 #define CATCH_BODY(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 1)
1689 /* EH_FILTER_EXPR accessors. */
1690 #define EH_FILTER_TYPES(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 0)
1691 #define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
1692 #define EH_FILTER_MUST_NOT_THROW(NODE) TREE_STATIC (EH_FILTER_EXPR_CHECK (NODE))
1694 /* CHANGE_DYNAMIC_TYPE_EXPR accessors. */
1695 #define CHANGE_DYNAMIC_TYPE_NEW_TYPE(NODE) \
1696 TREE_OPERAND (CHANGE_DYNAMIC_TYPE_EXPR_CHECK (NODE), 0)
1697 #define CHANGE_DYNAMIC_TYPE_LOCATION(NODE) \
1698 TREE_OPERAND (CHANGE_DYNAMIC_TYPE_EXPR_CHECK (NODE), 1)
1700 /* OBJ_TYPE_REF accessors. */
1701 #define OBJ_TYPE_REF_EXPR(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 0)
1702 #define OBJ_TYPE_REF_OBJECT(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 1)
1703 #define OBJ_TYPE_REF_TOKEN(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 2)
1705 /* ASSERT_EXPR accessors. */
1706 #define ASSERT_EXPR_VAR(NODE) TREE_OPERAND (ASSERT_EXPR_CHECK (NODE), 0)
1707 #define ASSERT_EXPR_COND(NODE) TREE_OPERAND (ASSERT_EXPR_CHECK (NODE), 1)
1709 /* CALL_EXPR accessors.
1711 #define CALL_EXPR_FN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 1)
1712 #define CALL_EXPR_STATIC_CHAIN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 2)
1713 #define CALL_EXPR_ARGS(NODE) call_expr_arglist (NODE)
1714 #define CALL_EXPR_ARG(NODE, I) TREE_OPERAND (CALL_EXPR_CHECK (NODE), (I) + 3)
1715 #define call_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH(NODE) - 3)
1717 /* CALL_EXPR_ARGP returns a pointer to the argument vector for NODE.
1718 We can't use &CALL_EXPR_ARG (NODE, 0) because that will complain if
1719 the argument count is zero when checking is enabled. Instead, do
1720 the pointer arithmetic to advance past the 3 fixed operands in a
1721 CALL_EXPR. That produces a valid pointer to just past the end of the
1722 operand array, even if it's not valid to dereference it. */
1723 #define CALL_EXPR_ARGP(NODE) \
1724 (&(TREE_OPERAND (CALL_EXPR_CHECK (NODE), 0)) + 3)
1726 /* OpenMP directive and clause accessors. */
1728 #define OMP_BODY(NODE) \
1729 TREE_OPERAND (TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_CRITICAL), 0)
1730 #define OMP_CLAUSES(NODE) \
1731 TREE_OPERAND (TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_SINGLE), 1)
1733 #define OMP_PARALLEL_BODY(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 0)
1734 #define OMP_PARALLEL_CLAUSES(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 1)
1735 #define OMP_PARALLEL_FN(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 2)
1736 #define OMP_PARALLEL_DATA_ARG(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 3)
1738 #define OMP_FOR_BODY(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 0)
1739 #define OMP_FOR_CLAUSES(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 1)
1740 #define OMP_FOR_INIT(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 2)
1741 #define OMP_FOR_COND(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 3)
1742 #define OMP_FOR_INCR(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 4)
1743 #define OMP_FOR_PRE_BODY(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 5)
1745 #define OMP_SECTIONS_BODY(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 0)
1746 #define OMP_SECTIONS_CLAUSES(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 1)
1747 #define OMP_SECTIONS_CONTROL(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 2)
1749 #define OMP_SECTION_BODY(NODE) TREE_OPERAND (OMP_SECTION_CHECK (NODE), 0)
1751 #define OMP_SINGLE_BODY(NODE) TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 0)
1752 #define OMP_SINGLE_CLAUSES(NODE) TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 1)
1754 #define OMP_MASTER_BODY(NODE) TREE_OPERAND (OMP_MASTER_CHECK (NODE), 0)
1756 #define OMP_ORDERED_BODY(NODE) TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 0)
1758 #define OMP_CRITICAL_BODY(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 0)
1759 #define OMP_CRITICAL_NAME(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 1)
1761 #define OMP_CLAUSE_CHAIN(NODE) TREE_CHAIN (OMP_CLAUSE_CHECK (NODE))
1762 #define OMP_CLAUSE_DECL(NODE) \
1763 OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE), \
1764 OMP_CLAUSE_PRIVATE, \
1765 OMP_CLAUSE_COPYPRIVATE), 0)
1767 /* True on an OMP_SECTION statement that was the last lexical member.
1768 This status is meaningful in the implementation of lastprivate. */
1769 #define OMP_SECTION_LAST(NODE) \
1770 TREE_PRIVATE (OMP_SECTION_CHECK (NODE))
1772 /* True on an OMP_RETURN statement if the return does not require a
1773 thread synchronization via some sort of barrier. The exact barrier
1774 that would otherwise be emitted is dependent on the OMP statement
1775 with which this return is associated. */
1776 #define OMP_RETURN_NOWAIT(NODE) \
1777 TREE_PRIVATE (OMP_RETURN_CHECK (NODE))
1779 /* True on an OMP_PARALLEL statement if it represents an explicit
1780 combined parallel work-sharing constructs. */
1781 #define OMP_PARALLEL_COMBINED(NODE) \
1782 TREE_PRIVATE (OMP_PARALLEL_CHECK (NODE))
1784 /* True on a PRIVATE clause if its decl is kept around for debugging
1785 information only and its DECL_VALUE_EXPR is supposed to point
1786 to what it has been remapped to. */
1787 #define OMP_CLAUSE_PRIVATE_DEBUG(NODE) \
1788 TREE_PUBLIC (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
1790 /* True on a LASTPRIVATE clause if a FIRSTPRIVATE clause for the same
1791 decl is present in the chain. */
1792 #define OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE(NODE) \
1793 TREE_PUBLIC (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE))
1795 #define OMP_CLAUSE_IF_EXPR(NODE) \
1796 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF), 0)
1797 #define OMP_CLAUSE_NUM_THREADS_EXPR(NODE) \
1798 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_THREADS),0)
1799 #define OMP_CLAUSE_SCHEDULE_CHUNK_EXPR(NODE) \
1800 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE), 0)
1802 #define OMP_CLAUSE_REDUCTION_CODE(NODE) \
1803 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION)->omp_clause.subcode.reduction_code)
1804 #define OMP_CLAUSE_REDUCTION_INIT(NODE) \
1805 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 1)
1806 #define OMP_CLAUSE_REDUCTION_MERGE(NODE) \
1807 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 2)
1808 #define OMP_CLAUSE_REDUCTION_PLACEHOLDER(NODE) \
1809 OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 3)
1811 enum omp_clause_schedule_kind
1813 OMP_CLAUSE_SCHEDULE_STATIC,
1814 OMP_CLAUSE_SCHEDULE_DYNAMIC,
1815 OMP_CLAUSE_SCHEDULE_GUIDED,
1816 OMP_CLAUSE_SCHEDULE_RUNTIME
1819 #define OMP_CLAUSE_SCHEDULE_KIND(NODE) \
1820 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->omp_clause.subcode.schedule_kind)
1822 enum omp_clause_default_kind
1824 OMP_CLAUSE_DEFAULT_UNSPECIFIED,
1825 OMP_CLAUSE_DEFAULT_SHARED,
1826 OMP_CLAUSE_DEFAULT_NONE,
1827 OMP_CLAUSE_DEFAULT_PRIVATE
1830 #define OMP_CLAUSE_DEFAULT_KIND(NODE) \
1831 (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULT)->omp_clause.subcode.default_kind)
1833 struct tree_exp GTY(())
1835 struct tree_common common;
1838 tree GTY ((special ("tree_exp"),
1839 desc ("TREE_CODE ((tree) &%0)")))
1843 /* SSA_NAME accessors. */
1845 /* Returns the variable being referenced. Once released, this is the
1846 only field that can be relied upon. */
1847 #define SSA_NAME_VAR(NODE) SSA_NAME_CHECK (NODE)->ssa_name.var
1849 /* Returns the statement which defines this reference. Note that
1850 we use the same field when chaining SSA_NAME nodes together on
1851 the SSA_NAME freelist. */
1852 #define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->common.chain
1854 /* Returns the SSA version number of this SSA name. Note that in
1855 tree SSA, version numbers are not per variable and may be recycled. */
1856 #define SSA_NAME_VERSION(NODE) SSA_NAME_CHECK (NODE)->ssa_name.version
1858 /* Nonzero if this SSA name occurs in an abnormal PHI. SSA_NAMES are
1859 never output, so we can safely use the ASM_WRITTEN_FLAG for this
1861 #define SSA_NAME_OCCURS_IN_ABNORMAL_PHI(NODE) \
1862 SSA_NAME_CHECK (NODE)->base.asm_written_flag
1864 /* Nonzero if this SSA_NAME expression is currently on the free list of
1865 SSA_NAMES. Using NOTHROW_FLAG seems reasonably safe since throwing
1866 has no meaning for an SSA_NAME. */
1867 #define SSA_NAME_IN_FREE_LIST(NODE) \
1868 SSA_NAME_CHECK (NODE)->base.nothrow_flag
1870 /* Nonzero if this SSA_NAME is the default definition for the
1871 underlying symbol. A default SSA name is created for symbol S if
1872 the very first reference to S in the function is a read operation.
1873 Default definitions are always created by an empty statement and
1874 belong to no basic block. */
1875 #define SSA_NAME_IS_DEFAULT_DEF(NODE) \
1876 SSA_NAME_CHECK (NODE)->base.volatile_flag
1878 /* Attributes for SSA_NAMEs for pointer-type variables. */
1879 #define SSA_NAME_PTR_INFO(N) \
1880 SSA_NAME_CHECK (N)->ssa_name.ptr_info
1882 /* Get the value of this SSA_NAME, if available. */
1883 #define SSA_NAME_VALUE(N) \
1884 SSA_NAME_CHECK (N)->ssa_name.value_handle
1886 #ifndef _TREE_FLOW_H
1887 struct ptr_info_def;
1892 /* Immediate use linking structure. This structure is used for maintaining
1893 a doubly linked list of uses of an SSA_NAME. */
1894 typedef struct ssa_use_operand_d GTY(())
1896 struct ssa_use_operand_d* GTY((skip(""))) prev;
1897 struct ssa_use_operand_d* GTY((skip(""))) next;
1898 tree GTY((skip(""))) stmt;
1899 tree *GTY((skip(""))) use;
1900 } ssa_use_operand_t;
1902 /* Return the immediate_use information for an SSA_NAME. */
1903 #define SSA_NAME_IMM_USE_NODE(NODE) SSA_NAME_CHECK (NODE)->ssa_name.imm_uses
1905 struct tree_ssa_name GTY(())
1907 struct tree_common common;
1909 /* _DECL wrapped by this SSA name. */
1912 /* SSA version number. */
1913 unsigned int version;
1915 /* Pointer attributes used for alias analysis. */
1916 struct ptr_info_def *ptr_info;
1918 /* Value for SSA name used by various passes.
1920 Right now only invariants are allowed to persist beyond a pass in
1921 this field; in the future we will allow VALUE_HANDLEs to persist
1925 /* Immediate uses list for this SSA_NAME. */
1926 struct ssa_use_operand_d imm_uses;
1929 /* In a PHI_NODE node. */
1931 /* These 2 macros should be considered off limits for use by developers. If
1932 you wish to access the use or def fields of a PHI_NODE in the SSA
1933 optimizers, use the accessor macros found in tree-ssa-operands.h.
1934 These two macros are to be used only by those accessor macros, and other
1935 select places where we *absolutely* must take the address of the tree. */
1937 #define PHI_RESULT_TREE(NODE) PHI_NODE_CHECK (NODE)->phi.result
1938 #define PHI_ARG_DEF_TREE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).def
1940 /* PHI_NODEs for each basic block are chained together in a single linked
1941 list. The head of the list is linked from the block annotation, and
1942 the link to the next PHI is in PHI_CHAIN. */
1943 #define PHI_CHAIN(NODE) PHI_NODE_CHECK (NODE)->phi.chain
1945 #define PHI_NUM_ARGS(NODE) PHI_NODE_CHECK (NODE)->phi.num_args
1946 #define PHI_ARG_CAPACITY(NODE) PHI_NODE_CHECK (NODE)->phi.capacity
1947 #define PHI_ARG_ELT(NODE, I) PHI_NODE_ELT_CHECK (NODE, I)
1948 #define PHI_ARG_EDGE(NODE, I) (EDGE_PRED (PHI_BB ((NODE)), (I)))
1949 #define PHI_BB(NODE) PHI_NODE_CHECK (NODE)->phi.bb
1950 #define PHI_ARG_IMM_USE_NODE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).imm_use
1952 struct phi_arg_d GTY(())
1954 /* imm_use MUST be the first element in struct because we do some
1955 pointer arithmetic with it. See phi_arg_index_from_use. */
1956 struct ssa_use_operand_d imm_use;
1960 struct tree_phi_node GTY(())
1962 struct tree_base common;
1968 /* Basic block holding this PHI node. */
1969 struct basic_block_def *bb;
1971 /* Arguments of the PHI node. These are maintained in the same
1972 order as predecessor edge vector BB->PREDS. */
1973 struct phi_arg_d GTY ((length ("((tree)&%h)->phi.num_args"))) a[1];
1977 #define OMP_CLAUSE_CODE(NODE) \
1978 (OMP_CLAUSE_CHECK (NODE))->omp_clause.code
1980 #define OMP_CLAUSE_SET_CODE(NODE, CODE) \
1981 ((OMP_CLAUSE_CHECK (NODE))->omp_clause.code = (CODE))
1983 #define OMP_CLAUSE_CODE(NODE) \
1984 (OMP_CLAUSE_CHECK (NODE))->omp_clause.code
1986 #define OMP_CLAUSE_OPERAND(NODE, I) \
1987 OMP_CLAUSE_ELT_CHECK (NODE, I)
1989 struct tree_omp_clause GTY(())
1991 struct tree_common common;
1992 enum omp_clause_code code;
1993 union omp_clause_subcode {
1994 enum omp_clause_default_kind default_kind;
1995 enum omp_clause_schedule_kind schedule_kind;
1996 enum tree_code reduction_code;
1997 } GTY ((skip)) subcode;
1998 tree GTY ((length ("omp_clause_num_ops[OMP_CLAUSE_CODE ((tree)&%h)]"))) ops[1];
2002 struct varray_head_tag;
2004 /* In a BLOCK node. */
2005 #define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
2006 #define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
2007 #define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
2008 /* Note: when changing this, make sure to find the places
2009 that use chainon or nreverse. */
2010 #define BLOCK_CHAIN(NODE) TREE_CHAIN (BLOCK_CHECK (NODE))
2011 #define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
2012 #define BLOCK_ABSTRACT(NODE) (BLOCK_CHECK (NODE)->block.abstract_flag)
2014 /* Nonzero means that this block is prepared to handle exceptions
2015 listed in the BLOCK_VARS slot. */
2016 #define BLOCK_HANDLER_BLOCK(NODE) \
2017 (BLOCK_CHECK (NODE)->block.handler_block_flag)
2019 /* An index number for this block. These values are not guaranteed to
2020 be unique across functions -- whether or not they are depends on
2021 the debugging output format in use. */
2022 #define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
2024 /* If block reordering splits a lexical block into discontiguous
2025 address ranges, we'll make a copy of the original block.
2027 Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN.
2028 In that case, we have one source block that has been replicated
2029 (through inlining or unrolling) into many logical blocks, and that
2030 these logical blocks have different physical variables in them.
2032 In this case, we have one logical block split into several
2033 non-contiguous address ranges. Most debug formats can't actually
2034 represent this idea directly, so we fake it by creating multiple
2035 logical blocks with the same variables in them. However, for those
2036 that do support non-contiguous regions, these allow the original
2037 logical block to be reconstructed, along with the set of address
2040 One of the logical block fragments is arbitrarily chosen to be
2041 the ORIGIN. The other fragments will point to the origin via
2042 BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer
2043 be null. The list of fragments will be chained through
2044 BLOCK_FRAGMENT_CHAIN from the origin. */
2046 #define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin)
2047 #define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain)
2049 /* For an inlined function, this gives the location where it was called
2050 from. This is only set in the top level block, which corresponds to the
2051 inlined function scope. This is used in the debug output routines. */
2053 #define BLOCK_SOURCE_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.locus)
2055 struct tree_block GTY(())
2057 struct tree_common common;
2059 unsigned handler_block_flag : 1;
2060 unsigned abstract_flag : 1;
2061 unsigned block_num : 30;
2066 tree abstract_origin;
2067 tree fragment_origin;
2068 tree fragment_chain;
2072 /* Define fields and accessors for nodes representing data types. */
2074 /* See tree.def for documentation of the use of these fields.
2075 Look at the documentation of the various ..._TYPE tree codes.
2077 Note that the type.values, type.minval, and type.maxval fields are
2078 overloaded and used for different macros in different kinds of types.
2079 Each macro must check to ensure the tree node is of the proper kind of
2080 type. Note also that some of the front-ends also overload these fields,
2081 so they must be checked as well. */
2083 #define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type.uid)
2084 #define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type.size)
2085 #define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type.size_unit)
2086 #define TYPE_MODE(NODE) (TYPE_CHECK (NODE)->type.mode)
2087 #define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type.values)
2088 #define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type.values)
2089 #define TYPE_FIELDS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.values)
2090 #define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK(NODE)->type.values)
2091 #define TYPE_ORIG_SIZE_TYPE(NODE) \
2092 (INTEGER_TYPE_CHECK (NODE)->type.values \
2093 ? TREE_TYPE ((NODE)->type.values) : NULL_TREE)
2094 #define TYPE_METHODS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.maxval)
2095 #define TYPE_VFIELD(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.minval)
2096 #define TYPE_ARG_TYPES(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.values)
2097 #define TYPE_METHOD_BASETYPE(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.maxval)
2098 #define TYPE_OFFSET_BASETYPE(NODE) (OFFSET_TYPE_CHECK (NODE)->type.maxval)
2099 #define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type.pointer_to)
2100 #define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type.reference_to)
2101 #define TYPE_NEXT_PTR_TO(NODE) (POINTER_TYPE_CHECK (NODE)->type.minval)
2102 #define TYPE_NEXT_REF_TO(NODE) (REFERENCE_TYPE_CHECK (NODE)->type.minval)
2103 #define TYPE_MIN_VALUE(NODE) (NUMERICAL_TYPE_CHECK (NODE)->type.minval)
2104 #define TYPE_MAX_VALUE(NODE) (NUMERICAL_TYPE_CHECK (NODE)->type.maxval)
2105 #define TYPE_PRECISION(NODE) (TYPE_CHECK (NODE)->type.precision)
2106 #define TYPE_SYMTAB_ADDRESS(NODE) (TYPE_CHECK (NODE)->type.symtab.address)
2107 #define TYPE_SYMTAB_POINTER(NODE) (TYPE_CHECK (NODE)->type.symtab.pointer)
2108 #define TYPE_SYMTAB_DIE(NODE) (TYPE_CHECK (NODE)->type.symtab.die)
2109 #define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type.name)
2110 #define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type.next_variant)
2111 #define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type.main_variant)
2112 #define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type.context)
2114 /* The "canonical" type for this type node, which can be used to
2115 compare the type for equality with another type. If two types are
2116 equal (based on the semantics of the language), then they will have
2117 equivalent TYPE_CANONICAL entries.
2119 As a special case, if TYPE_CANONICAL is NULL_TREE, then it cannot
2120 be used for comparison against other types. Instead, the type is
2121 said to require structural equality checks, described in
2122 TYPE_STRUCTURAL_EQUALITY_P. */
2123 #define TYPE_CANONICAL(NODE) (TYPE_CHECK (NODE)->type.canonical)
2124 /* Indicates that the type node requires structural equality
2125 checks. The compiler will need to look at the composition of the
2126 type to determine whether it is equal to another type, rather than
2127 just comparing canonical type pointers. For instance, we would need
2128 to look at the return and parameter types of a FUNCTION_TYPE
2130 #define TYPE_STRUCTURAL_EQUALITY_P(NODE) (TYPE_CANONICAL (NODE) == NULL_TREE)
2131 /* Sets the TYPE_CANONICAL field to NULL_TREE, indicating that the
2132 type node requires structural equality. */
2133 #define SET_TYPE_STRUCTURAL_EQUALITY(NODE) (TYPE_CANONICAL (NODE) = NULL_TREE)
2134 #define TYPE_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific)
2135 #define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
2136 #define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
2138 /* For a VECTOR_TYPE node, this describes a different type which is emitted
2139 in the debugging output. We use this to describe a vector as a
2140 structure containing an array. */
2141 #define TYPE_DEBUG_REPRESENTATION_TYPE(NODE) (VECTOR_TYPE_CHECK (NODE)->type.values)
2143 /* For record and union types, information about this type, as a base type
2145 #define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK(NODE)->type.binfo)
2147 /* For non record and union types, used in a language-dependent way. */
2148 #define TYPE_LANG_SLOT_1(NODE) (NOT_RECORD_OR_UNION_CHECK(NODE)->type.binfo)
2150 /* The (language-specific) typed-based alias set for this type.
2151 Objects whose TYPE_ALIAS_SETs are different cannot alias each
2152 other. If the TYPE_ALIAS_SET is -1, no alias set has yet been
2153 assigned to this type. If the TYPE_ALIAS_SET is 0, objects of this
2154 type can alias objects of any type. */
2155 #define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type.alias_set)
2157 /* Nonzero iff the typed-based alias set for this type has been
2159 #define TYPE_ALIAS_SET_KNOWN_P(NODE) (TYPE_CHECK (NODE)->type.alias_set != -1)
2161 /* A TREE_LIST of IDENTIFIER nodes of the attributes that apply
2163 #define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type.attributes)
2165 /* The alignment necessary for objects of this type.
2166 The value is an int, measured in bits. */
2167 #define TYPE_ALIGN(NODE) (TYPE_CHECK (NODE)->type.align)
2169 /* 1 if the alignment for this type was requested by "aligned" attribute,
2170 0 if it is the default for this type. */
2171 #define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->type.user_align)
2173 /* The alignment for NODE, in bytes. */
2174 #define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
2176 /* If your language allows you to declare types, and you want debug info
2177 for them, then you need to generate corresponding TYPE_DECL nodes.
2178 These "stub" TYPE_DECL nodes have no name, and simply point at the
2179 type node. You then set the TYPE_STUB_DECL field of the type node
2180 to point back at the TYPE_DECL node. This allows the debug routines
2181 to know that the two nodes represent the same type, so that we only
2182 get one debug info record for them. */
2183 #define TYPE_STUB_DECL(NODE) TREE_CHAIN (NODE)
2185 /* In a RECORD_TYPE, UNION_TYPE or QUAL_UNION_TYPE, it means the type
2186 has BLKmode only because it lacks the alignment requirement for
2188 #define TYPE_NO_FORCE_BLK(NODE) (TYPE_CHECK (NODE)->type.no_force_blk_flag)
2190 /* In an INTEGER_TYPE, it means the type represents a size. We use
2191 this both for validity checking and to permit optimizations that
2192 are unsafe for other types. Note that the C `size_t' type should
2193 *not* have this flag set. The `size_t' type is simply a typedef
2194 for an ordinary integer type that happens to be the type of an
2195 expression returned by `sizeof'; `size_t' has no special
2196 properties. Expressions whose type have TYPE_IS_SIZETYPE set are
2197 always actual sizes. */
2198 #define TYPE_IS_SIZETYPE(NODE) \
2199 (INTEGER_TYPE_CHECK (NODE)->type.no_force_blk_flag)
2201 /* In a FUNCTION_TYPE, indicates that the function returns with the stack
2202 pointer depressed. */
2203 #define TYPE_RETURNS_STACK_DEPRESSED(NODE) \
2204 (FUNCTION_TYPE_CHECK (NODE)->type.no_force_blk_flag)
2206 /* Nonzero in a type considered volatile as a whole. */
2207 #define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->base.volatile_flag)
2209 /* Means this type is const-qualified. */
2210 #define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->base.readonly_flag)
2212 /* If nonzero, this type is `restrict'-qualified, in the C sense of
2214 #define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type.restrict_flag)
2216 /* There is a TYPE_QUAL value for each type qualifier. They can be
2217 combined by bitwise-or to form the complete set of qualifiers for a
2220 #define TYPE_UNQUALIFIED 0x0
2221 #define TYPE_QUAL_CONST 0x1
2222 #define TYPE_QUAL_VOLATILE 0x2
2223 #define TYPE_QUAL_RESTRICT 0x4
2225 /* The set of type qualifiers for this type. */
2226 #define TYPE_QUALS(NODE) \
2227 ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
2228 | (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
2229 | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT))
2231 /* These flags are available for each language front end to use internally. */
2232 #define TYPE_LANG_FLAG_0(NODE) (TYPE_CHECK (NODE)->type.lang_flag_0)
2233 #define TYPE_LANG_FLAG_1(NODE) (TYPE_CHECK (NODE)->type.lang_flag_1)
2234 #define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type.lang_flag_2)
2235 #define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type.lang_flag_3)
2236 #define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type.lang_flag_4)
2237 #define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type.lang_flag_5)
2238 #define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type.lang_flag_6)
2240 /* Used to keep track of visited nodes in tree traversals. This is set to
2241 0 by copy_node and make_node. */
2242 #define TREE_VISITED(NODE) ((NODE)->base.visited)
2244 /* If set in an ARRAY_TYPE, indicates a string type (for languages
2245 that distinguish string from array of char).
2246 If set in a INTEGER_TYPE, indicates a character type. */
2247 #define TYPE_STRING_FLAG(NODE) (TYPE_CHECK (NODE)->type.string_flag)
2249 /* If non-NULL, this is an upper bound of the size (in bytes) of an
2250 object of the given ARRAY_TYPE. This allows temporaries to be
2252 #define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \
2253 (ARRAY_TYPE_CHECK (ARRAY_TYPE)->type.maxval)
2255 /* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */
2256 #define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \
2257 (((unsigned HOST_WIDE_INT) 1) \
2258 << VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.precision)
2260 /* Set precision to n when we have 2^n sub-parts of the vector. */
2261 #define SET_TYPE_VECTOR_SUBPARTS(VECTOR_TYPE, X) \
2262 (VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.precision = exact_log2 (X))
2264 /* Indicates that objects of this type must be initialized by calling a
2265 function when they are created. */
2266 #define TYPE_NEEDS_CONSTRUCTING(NODE) \
2267 (TYPE_CHECK (NODE)->type.needs_constructing_flag)
2269 /* Indicates that objects of this type (a UNION_TYPE), should be passed
2270 the same way that the first union alternative would be passed. */
2271 #define TYPE_TRANSPARENT_UNION(NODE) \
2272 (UNION_TYPE_CHECK (NODE)->type.transparent_union_flag)
2274 /* For an ARRAY_TYPE, indicates that it is not permitted to
2275 take the address of a component of the type. */
2276 #define TYPE_NONALIASED_COMPONENT(NODE) \
2277 (ARRAY_TYPE_CHECK (NODE)->type.transparent_union_flag)
2279 /* Indicated that objects of this type should be laid out in as
2280 compact a way as possible. */
2281 #define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->type.packed_flag)
2283 /* Used by type_contains_placeholder_p to avoid recomputation.
2284 Values are: 0 (unknown), 1 (false), 2 (true). Never access
2285 this field directly. */
2286 #define TYPE_CONTAINS_PLACEHOLDER_INTERNAL(NODE) \
2287 (TYPE_CHECK (NODE)->type.contains_placeholder_bits)
2291 struct tree_type GTY(())
2293 struct tree_common common;
2300 unsigned int precision : 9;
2301 ENUM_BITFIELD(machine_mode) mode : 7;
2303 unsigned string_flag : 1;
2304 unsigned no_force_blk_flag : 1;
2305 unsigned needs_constructing_flag : 1;
2306 unsigned transparent_union_flag : 1;
2307 unsigned packed_flag : 1;
2308 unsigned restrict_flag : 1;
2309 unsigned contains_placeholder_bits : 2;
2311 unsigned lang_flag_0 : 1;
2312 unsigned lang_flag_1 : 1;
2313 unsigned lang_flag_2 : 1;
2314 unsigned lang_flag_3 : 1;
2315 unsigned lang_flag_4 : 1;
2316 unsigned lang_flag_5 : 1;
2317 unsigned lang_flag_6 : 1;
2318 unsigned user_align : 1;
2323 union tree_type_symtab {
2324 int GTY ((tag ("0"))) address;
2325 const char * GTY ((tag ("1"))) pointer;
2326 struct die_struct * GTY ((tag ("2"))) die;
2327 } GTY ((desc ("debug_hooks == &sdb_debug_hooks ? 1 : debug_hooks == &dwarf2_debug_hooks ? 2 : 0"),
2328 descbits ("2"))) symtab;
2337 alias_set_type alias_set;
2338 /* Points to a structure whose details depend on the language in use. */
2339 struct lang_type *lang_specific;
2342 /* Define accessor macros for information about type inheritance
2345 A "basetype" means a particular usage of a data type for inheritance
2346 in another type. Each such basetype usage has its own "binfo"
2347 object to describe it. The binfo object is a TREE_VEC node.
2349 Inheritance is represented by the binfo nodes allocated for a
2350 given type. For example, given types C and D, such that D is
2351 inherited by C, 3 binfo nodes will be allocated: one for describing
2352 the binfo properties of C, similarly one for D, and one for
2353 describing the binfo properties of D as a base type for C.
2354 Thus, given a pointer to class C, one can get a pointer to the binfo
2355 of D acting as a basetype for C by looking at C's binfo's basetypes. */
2357 /* BINFO specific flags. */
2359 /* Nonzero means that the derivation chain is via a `virtual' declaration. */
2360 #define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->base.static_flag)
2362 /* Flags for language dependent use. */
2363 #define BINFO_MARKED(NODE) TREE_LANG_FLAG_0(TREE_BINFO_CHECK(NODE))
2364 #define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1(TREE_BINFO_CHECK(NODE))
2365 #define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2(TREE_BINFO_CHECK(NODE))
2366 #define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3(TREE_BINFO_CHECK(NODE))
2367 #define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4(TREE_BINFO_CHECK(NODE))
2368 #define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5(TREE_BINFO_CHECK(NODE))
2369 #define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6(TREE_BINFO_CHECK(NODE))
2371 /* The actual data type node being inherited in this basetype. */
2372 #define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK(NODE))
2374 /* The offset where this basetype appears in its containing type.
2375 BINFO_OFFSET slot holds the offset (in bytes)
2376 from the base of the complete object to the base of the part of the
2377 object that is allocated on behalf of this `type'.
2378 This is always 0 except when there is multiple inheritance. */
2380 #define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK(NODE)->binfo.offset)
2381 #define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
2383 /* The virtual function table belonging to this basetype. Virtual
2384 function tables provide a mechanism for run-time method dispatching.
2385 The entries of a virtual function table are language-dependent. */
2387 #define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtable)
2389 /* The virtual functions in the virtual function table. This is
2390 a TREE_LIST that is used as an initial approximation for building
2391 a virtual function table for this basetype. */
2392 #define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK(NODE)->binfo.virtuals)
2394 /* A vector of binfos for the direct basetypes inherited by this
2397 If this basetype describes type D as inherited in C, and if the
2398 basetypes of D are E and F, then this vector contains binfos for
2399 inheritance of E and F by C. */
2400 #define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK(NODE)->binfo.base_binfos)
2402 /* The number of basetypes for NODE. */
2403 #define BINFO_N_BASE_BINFOS(NODE) (VEC_length (tree, BINFO_BASE_BINFOS (NODE)))
2405 /* Accessor macro to get to the Nth base binfo of this binfo. */
2406 #define BINFO_BASE_BINFO(NODE,N) \
2407 (VEC_index (tree, BINFO_BASE_BINFOS (NODE), (N)))
2408 #define BINFO_BASE_ITERATE(NODE,N,B) \
2409 (VEC_iterate (tree, BINFO_BASE_BINFOS (NODE), (N), (B)))
2410 #define BINFO_BASE_APPEND(NODE,T) \
2411 (VEC_quick_push (tree, BINFO_BASE_BINFOS (NODE), (T)))
2413 /* For a BINFO record describing a virtual base class, i.e., one where
2414 TREE_VIA_VIRTUAL is set, this field assists in locating the virtual
2415 base. The actual contents are language-dependent. In the C++
2416 front-end this field is an INTEGER_CST giving an offset into the
2417 vtable where the offset to the virtual base can be found. */
2418 #define BINFO_VPTR_FIELD(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vptr_field)
2420 /* Indicates the accesses this binfo has to its bases. The values are
2421 access_public_node, access_protected_node or access_private_node.
2422 If this array is not present, public access is implied. */
2423 #define BINFO_BASE_ACCESSES(NODE) (TREE_BINFO_CHECK(NODE)->binfo.base_accesses)
2425 #define BINFO_BASE_ACCESS(NODE,N) \
2426 VEC_index (tree, BINFO_BASE_ACCESSES (NODE), (N))
2427 #define BINFO_BASE_ACCESS_APPEND(NODE,T) \
2428 VEC_quick_push (tree, BINFO_BASE_ACCESSES (NODE), (T))
2430 /* The index in the VTT where this subobject's sub-VTT can be found.
2431 NULL_TREE if there is no sub-VTT. */
2432 #define BINFO_SUBVTT_INDEX(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtt_subvtt)
2434 /* The index in the VTT where the vptr for this subobject can be
2435 found. NULL_TREE if there is no secondary vptr in the VTT. */
2436 #define BINFO_VPTR_INDEX(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtt_vptr)
2438 /* The BINFO_INHERITANCE_CHAIN points at the binfo for the base
2439 inheriting this base for non-virtual bases. For virtual bases it
2440 points either to the binfo for which this is a primary binfo, or to
2441 the binfo of the most derived type. */
2442 #define BINFO_INHERITANCE_CHAIN(NODE) \
2443 (TREE_BINFO_CHECK(NODE)->binfo.inheritance)
2445 struct tree_binfo GTY (())
2447 struct tree_common common;
2453 VEC(tree,gc) *base_accesses;
2459 VEC(tree,none) base_binfos;
2463 /* Define fields and accessors for nodes representing declared names. */
2465 /* Nonzero if DECL represents a variable for the SSA passes. */
2466 #define SSA_VAR_P(DECL) \
2467 (TREE_CODE (DECL) == VAR_DECL \
2468 || TREE_CODE (DECL) == PARM_DECL \
2469 || TREE_CODE (DECL) == RESULT_DECL \
2471 || (TREE_CODE (DECL) == SSA_NAME \
2472 && (TREE_CODE (SSA_NAME_VAR (DECL)) == VAR_DECL \
2473 || TREE_CODE (SSA_NAME_VAR (DECL)) == PARM_DECL \
2474 || TREE_CODE (SSA_NAME_VAR (DECL)) == RESULT_DECL \
2475 || MTAG_P (SSA_NAME_VAR (DECL)))))
2480 /* Enumerate visibility settings. */
2481 #ifndef SYMBOL_VISIBILITY_DEFINED
2482 #define SYMBOL_VISIBILITY_DEFINED
2483 enum symbol_visibility
2486 VISIBILITY_PROTECTED,
2495 /* This is the name of the object as written by the user.
2496 It is an IDENTIFIER_NODE. */
2497 #define DECL_NAME(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.name)
2499 /* Every ..._DECL node gets a unique number. */
2500 #define DECL_UID(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.uid)
2502 /* These two fields describe where in the source code the declaration
2503 was. If the declaration appears in several places (as for a C
2504 function that is declared first and then defined later), this
2505 information should refer to the definition. */
2506 #define DECL_SOURCE_LOCATION(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
2507 #define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
2508 #define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
2509 #ifdef USE_MAPPED_LOCATION
2510 #define DECL_IS_BUILTIN(DECL) \
2511 (DECL_SOURCE_LOCATION (DECL) <= BUILTINS_LOCATION)
2513 #define DECL_IS_BUILTIN(DECL) (DECL_SOURCE_LINE(DECL) == 0)
2516 /* For FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
2517 QUAL_UNION_TYPE node that the field is a member of. For VAR_DECL,
2518 PARM_DECL, FUNCTION_DECL, LABEL_DECL, and CONST_DECL nodes, this
2519 points to either the FUNCTION_DECL for the containing function,
2520 the RECORD_TYPE or UNION_TYPE for the containing type, or
2521 NULL_TREE or a TRANSLATION_UNIT_DECL if the given decl has "file
2523 #define DECL_CONTEXT(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.context)
2524 #define DECL_FIELD_CONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl_minimal.context)
2525 struct tree_decl_minimal GTY(())
2527 struct tree_common common;
2534 /* When computing aliasing information, we represent the memory pointed-to
2535 by pointers with artificial variables called "memory tags" (MT). There
2536 are two kinds of tags, namely symbol and name:
2538 Symbol tags (SMT) are used in flow-insensitive alias analysis, they
2539 represent all the pointed-to locations and variables pointed-to by
2540 the same pointer symbol. Usually, this set is computed using
2541 type-based analysis (i.e., alias set classes), but this may not
2544 Name tags (NMT) are used in flow-sensitive points-to alias
2545 analysis, they represent the variables and memory locations
2546 pointed-to by a specific SSA_NAME pointer.
2548 In general, given a pointer P with a symbol tag SMT, the alias set
2549 of SMT should be the union of all the alias sets of the NMTs of
2550 every SSA_NAME for P. */
2551 struct tree_memory_tag GTY(())
2553 struct tree_decl_minimal common;
2555 bitmap GTY ((skip)) aliases;
2557 /* True if this tag has global scope. */
2558 unsigned int is_global:1;
2560 /* True if this SFT is for a field in a nested structure. */
2561 unsigned int in_nested_struct : 1;
2564 #define MTAG_GLOBAL(NODE) (TREE_MEMORY_TAG_CHECK (NODE)->mtag.is_global)
2565 #define MTAG_ALIASES(NODE) (TREE_MEMORY_TAG_CHECK (NODE)->mtag.aliases)
2567 struct tree_struct_field_tag GTY(())
2569 struct tree_memory_tag common;
2571 /* Parent variable. */
2574 /* Offset inside structure. */
2575 unsigned HOST_WIDE_INT offset;
2577 /* Size of the field. */
2578 unsigned HOST_WIDE_INT size;
2580 /* Alias set for a DECL_NONADDRESSABLE_P field. Otherwise -1. */
2581 alias_set_type alias_set;
2584 #define SFT_PARENT_VAR(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.parent_var)
2585 #define SFT_OFFSET(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.offset)
2586 #define SFT_SIZE(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.size)
2587 #define SFT_NONADDRESSABLE_P(NODE) \
2588 (STRUCT_FIELD_TAG_CHECK (NODE)->sft.alias_set != -1)
2589 #define SFT_ALIAS_SET(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.alias_set)
2590 #define SFT_IN_NESTED_STRUCT(NODE) \
2591 (STRUCT_FIELD_TAG_CHECK (NODE)->sft.common.in_nested_struct)
2593 /* Memory Partition Tags (MPTs) group memory symbols under one
2594 common name for the purposes of placing memory PHI nodes. */
2596 struct tree_memory_partition_tag GTY(())
2598 struct tree_memory_tag common;
2600 /* Set of symbols grouped under this MPT. */
2604 #define MPT_SYMBOLS(NODE) (MEMORY_PARTITION_TAG_CHECK (NODE)->mpt.symbols)
2607 /* For any sort of a ..._DECL node, this points to the original (abstract)
2608 decl node which this decl is an instance of, or else it is NULL indicating
2609 that this decl is not an instance of some other decl. For example,
2610 in a nested declaration of an inline function, this points back to the
2612 #define DECL_ABSTRACT_ORIGIN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.abstract_origin)
2614 /* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
2615 origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */
2616 #define DECL_ORIGIN(NODE) \
2617 (DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE))
2619 /* Nonzero for any sort of ..._DECL node means this decl node represents an
2620 inline instance of some original (abstract) decl from an inline function;
2621 suppress any warnings about shadowing some other variable. FUNCTION_DECL
2622 nodes can also have their abstract origin set to themselves. */
2623 #define DECL_FROM_INLINE(NODE) (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
2624 && DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
2626 /* In a DECL this is the field where attributes are stored. */
2627 #define DECL_ATTRIBUTES(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.attributes)
2629 /* For a FUNCTION_DECL, holds the tree of BINDINGs.
2630 For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
2631 For a VAR_DECL, holds the initial value.
2632 For a PARM_DECL, not used--default
2633 values for parameters are encoded in the type of the function,
2634 not in the PARM_DECL slot.
2635 For a FIELD_DECL, this is used for enumeration values and the C
2636 frontend uses it for temporarily storing bitwidth of bitfields.
2638 ??? Need to figure out some way to check this isn't a PARM_DECL. */
2639 #define DECL_INITIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.initial)
2641 /* Holds the size of the datum, in bits, as a tree expression.
2642 Need not be constant. */
2643 #define DECL_SIZE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size)
2644 /* Likewise for the size in bytes. */
2645 #define DECL_SIZE_UNIT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size_unit)
2646 /* Holds the alignment required for the datum, in bits. */
2647 #define DECL_ALIGN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.align)
2648 /* The alignment of NODE, in bytes. */
2649 #define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
2650 /* Set if the alignment of this DECL has been set by the user, for
2651 example with an 'aligned' attribute. */
2652 #define DECL_USER_ALIGN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.user_align)
2653 /* Holds the machine mode corresponding to the declaration of a variable or
2654 field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
2656 #define DECL_MODE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.mode)
2658 /* For FUNCTION_DECL, if it is built-in, this identifies which built-in
2659 operation it is. Note, however, that this field is overloaded, with
2660 DECL_BUILT_IN_CLASS as the discriminant, so the latter must always be
2661 checked before any access to the former. */
2662 #define DECL_FUNCTION_CODE(NODE) \
2663 (FUNCTION_DECL_CHECK (NODE)->function_decl.function_code)
2664 #define DECL_DEBUG_EXPR_IS_FROM(NODE) \
2665 (DECL_COMMON_CHECK (NODE)->decl_common.debug_expr_is_from)
2667 /* Nonzero for a given ..._DECL node means that the name of this node should
2668 be ignored for symbolic debug purposes. */
2669 #define DECL_IGNORED_P(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
2671 /* Nonzero for a given ..._DECL node means that this node represents an
2672 "abstract instance" of the given declaration (e.g. in the original
2673 declaration of an inline function). When generating symbolic debugging
2674 information, we mustn't try to generate any address information for nodes
2675 marked as "abstract instances" because we don't actually generate
2676 any code or allocate any data space for such instances. */
2677 #define DECL_ABSTRACT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
2679 /* Language-specific decl information. */
2680 #define DECL_LANG_SPECIFIC(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
2682 /* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference:
2683 do not allocate storage, and refer to a definition elsewhere. Note that
2684 this does not necessarily imply the entity represented by NODE
2685 has no program source-level definition in this translation unit. For
2686 example, for a FUNCTION_DECL, DECL_SAVED_TREE may be non-NULL and
2687 DECL_EXTERNAL may be true simultaneously; that can be the case for
2688 a C99 "extern inline" function. */
2689 #define DECL_EXTERNAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.decl_flag_2)
2691 /* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
2692 For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
2694 For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
2696 Also set in some languages for variables, etc., outside the normal
2697 lexical scope, such as class instance variables. */
2698 #define DECL_NONLOCAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.nonlocal_flag)
2700 /* Used in VAR_DECLs to indicate that the variable is a vtable.
2701 Used in FIELD_DECLs for vtable pointers.
2702 Used in FUNCTION_DECLs to indicate that the function is virtual. */
2703 #define DECL_VIRTUAL_P(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.virtual_flag)
2705 /* Used to indicate that this DECL represents a compiler-generated entity. */
2706 #define DECL_ARTIFICIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
2708 /* Additional flags for language-specific uses. */
2709 #define DECL_LANG_FLAG_0(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
2710 #define DECL_LANG_FLAG_1(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
2711 #define DECL_LANG_FLAG_2(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
2712 #define DECL_LANG_FLAG_3(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
2713 #define DECL_LANG_FLAG_4(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
2714 #define DECL_LANG_FLAG_5(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
2715 #define DECL_LANG_FLAG_6(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
2716 #define DECL_LANG_FLAG_7(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
2718 /* Used to indicate an alias set for the memory pointed to by this
2719 particular FIELD_DECL, PARM_DECL, or VAR_DECL, which must have
2720 pointer (or reference) type. */
2721 #define DECL_POINTER_ALIAS_SET(NODE) \
2722 (DECL_COMMON_CHECK (NODE)->decl_common.pointer_alias_set)
2724 /* Nonzero if an alias set has been assigned to this declaration. */
2725 #define DECL_POINTER_ALIAS_SET_KNOWN_P(NODE) \
2726 (DECL_POINTER_ALIAS_SET (NODE) != - 1)
2728 /* Nonzero for a decl which is at file scope. */
2729 #define DECL_FILE_SCOPE_P(EXP) \
2730 (! DECL_CONTEXT (EXP) \
2731 || TREE_CODE (DECL_CONTEXT (EXP)) == TRANSLATION_UNIT_DECL)
2733 /* Nonzero for a decl that is decorated using attribute used.
2734 This indicates compiler tools that this decl needs to be preserved. */
2735 #define DECL_PRESERVE_P(DECL) \
2736 DECL_COMMON_CHECK (DECL)->decl_common.preserve_flag
2738 /* For function local variables of COMPLEX and VECTOR types,
2739 indicates that the variable is not aliased, and that all
2740 modifications to the variable have been adjusted so that
2741 they are killing assignments. Thus the variable may now
2742 be treated as a GIMPLE register, and use real instead of
2743 virtual ops in SSA form. */
2744 #define DECL_GIMPLE_REG_P(DECL) \
2745 DECL_COMMON_CHECK (DECL)->decl_common.gimple_reg_flag
2747 /* For a DECL with pointer type, this is set if Type Based Alias
2748 Analysis should not be applied to this DECL. */
2749 #define DECL_NO_TBAA_P(DECL) \
2750 DECL_COMMON_CHECK (DECL)->decl_common.no_tbaa_flag
2752 struct tree_decl_common GTY(())
2754 struct tree_decl_minimal common;
2757 ENUM_BITFIELD(machine_mode) mode : 8;
2759 unsigned nonlocal_flag : 1;
2760 unsigned virtual_flag : 1;
2761 unsigned ignored_flag : 1;
2762 unsigned abstract_flag : 1;
2763 unsigned artificial_flag : 1;
2764 unsigned user_align : 1;
2765 unsigned preserve_flag: 1;
2766 unsigned debug_expr_is_from : 1;
2768 unsigned lang_flag_0 : 1;
2769 unsigned lang_flag_1 : 1;
2770 unsigned lang_flag_2 : 1;
2771 unsigned lang_flag_3 : 1;
2772 unsigned lang_flag_4 : 1;
2773 unsigned lang_flag_5 : 1;
2774 unsigned lang_flag_6 : 1;
2775 unsigned lang_flag_7 : 1;
2777 /* In LABEL_DECL, this is DECL_ERROR_ISSUED.
2778 In VAR_DECL and PARM_DECL, this is DECL_REGISTER. */
2779 unsigned decl_flag_0 : 1;
2780 /* In FIELD_DECL, this is DECL_PACKED. */
2781 unsigned decl_flag_1 : 1;
2782 /* In FIELD_DECL, this is DECL_BIT_FIELD
2783 In VAR_DECL and FUNCTION_DECL, this is DECL_EXTERNAL.
2784 In TYPE_DECL, this is TYPE_DECL_SUPRESS_DEBUG. */
2785 unsigned decl_flag_2 : 1;
2786 /* In FIELD_DECL, this is DECL_NONADDRESSABLE_P
2787 In VAR_DECL and PARM_DECL, this is DECL_HAS_VALUE_EXPR. */
2788 unsigned decl_flag_3 : 1;
2789 /* Logically, these two would go in a theoretical base shared by var and
2791 unsigned gimple_reg_flag : 1;
2792 /* In a DECL with pointer type, set if no TBAA should be done. */
2793 unsigned no_tbaa_flag : 1;
2794 /* Padding so that 'align' can be on a 32-bit boundary. */
2795 unsigned decl_common_unused : 2;
2797 unsigned int align : 24;
2798 /* DECL_OFFSET_ALIGN, used only for FIELD_DECLs. */
2799 unsigned int off_align : 8;
2804 tree abstract_origin;
2806 alias_set_type pointer_alias_set;
2807 /* Points to a structure whose details depend on the language in use. */
2808 struct lang_decl *lang_specific;
2811 extern tree decl_value_expr_lookup (tree);
2812 extern void decl_value_expr_insert (tree, tree);
2814 /* In a VAR_DECL or PARM_DECL, the location at which the value may be found,
2815 if transformations have made this more complicated than evaluating the
2816 decl itself. This should only be used for debugging; once this field has
2817 been set, the decl itself may not legitimately appear in the function. */
2818 #define DECL_HAS_VALUE_EXPR_P(NODE) \
2819 (TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_flag_3)
2820 #define DECL_VALUE_EXPR(NODE) \
2821 (decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))
2822 #define SET_DECL_VALUE_EXPR(NODE, VAL) \
2823 (decl_value_expr_insert (DECL_WRTL_CHECK (NODE), VAL))
2825 /* Holds the RTL expression for the value of a variable or function.
2826 This value can be evaluated lazily for functions, variables with
2827 static storage duration, and labels. */
2828 #define DECL_RTL(NODE) \
2829 (DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl \
2830 ? (NODE)->decl_with_rtl.rtl \
2831 : (make_decl_rtl (NODE), (NODE)->decl_with_rtl.rtl))
2833 /* Set the DECL_RTL for NODE to RTL. */
2834 #define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
2836 /* Returns nonzero if NODE is a tree node that can contain RTL. */
2837 #define HAS_RTL_P(NODE) (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WRTL))
2839 /* Returns nonzero if the DECL_RTL for NODE has already been set. */
2840 #define DECL_RTL_SET_P(NODE) (HAS_RTL_P (NODE) && DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl != NULL)
2842 /* Copy the RTL from NODE1 to NODE2. If the RTL was not set for
2843 NODE1, it will not be set for NODE2; this is a lazy copy. */
2844 #define COPY_DECL_RTL(NODE1, NODE2) \
2845 (DECL_WRTL_CHECK (NODE2)->decl_with_rtl.rtl = DECL_WRTL_CHECK (NODE1)->decl_with_rtl.rtl)
2847 /* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */
2848 #define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
2850 /* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
2851 #define DECL_REGISTER(NODE) (DECL_WRTL_CHECK (NODE)->decl_common.decl_flag_0)
2853 struct tree_decl_with_rtl GTY(())
2855 struct tree_decl_common common;
2859 /* In a FIELD_DECL, this is the field position, counting in bytes, of the
2860 DECL_OFFSET_ALIGN-bit-sized word containing the bit closest to the beginning
2861 of the structure. */
2862 #define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.offset)
2864 /* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
2865 field from DECL_FIELD_OFFSET. This field may be nonzero even for fields
2866 that are not bit fields (since DECL_OFFSET_ALIGN may be larger than the
2867 natural alignment of the field's type). */
2868 #define DECL_FIELD_BIT_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.bit_offset)
2870 /* In a FIELD_DECL, this indicates whether the field was a bit-field and
2871 if so, the type that was originally specified for it.
2872 TREE_TYPE may have been modified (in finish_struct). */
2873 #define DECL_BIT_FIELD_TYPE(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.bit_field_type)
2875 /* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
2876 if nonzero, indicates that the field occupies the type. */
2877 #define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
2879 /* For FIELD_DECLs, off_align holds the number of low-order bits of
2880 DECL_FIELD_OFFSET which are known to be always zero.
2881 DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
2883 #define DECL_OFFSET_ALIGN(NODE) \
2884 (((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl_common.off_align)
2886 /* Specify that DECL_ALIGN(NODE) is a multiple of X. */
2887 #define SET_DECL_OFFSET_ALIGN(NODE, X) \
2888 (FIELD_DECL_CHECK (NODE)->decl_common.off_align = exact_log2 ((X) & -(X)))
2889 /* 1 if the alignment for this type was requested by "aligned" attribute,
2890 0 if it is the default for this type. */
2892 /* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
2893 which this FIELD_DECL is defined. This information is needed when
2894 writing debugging information about vfield and vbase decls for C++. */
2895 #define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.fcontext)
2897 /* In a FIELD_DECL, indicates this field should be bit-packed. */
2898 #define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_1)
2900 /* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed
2902 #define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
2904 /* Used in a FIELD_DECL to indicate that we cannot form the address of
2906 #define DECL_NONADDRESSABLE_P(NODE) \
2907 (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_3)
2909 struct tree_field_decl GTY(())
2911 struct tree_decl_common common;
2914 tree bit_field_type;
2921 /* A numeric unique identifier for a LABEL_DECL. The UID allocation is
2922 dense, unique within any one function, and may be used to index arrays.
2923 If the value is -1, then no UID has been assigned. */
2924 #define LABEL_DECL_UID(NODE) \
2925 (LABEL_DECL_CHECK (NODE)->decl_common.pointer_alias_set)
2927 /* In LABEL_DECL nodes, nonzero means that an error message about
2928 jumping into such a binding contour has been printed for this label. */
2929 #define DECL_ERROR_ISSUED(NODE) (LABEL_DECL_CHECK (NODE)->decl_common.decl_flag_0)
2931 struct tree_label_decl GTY(())
2933 struct tree_decl_with_rtl common;
2936 struct tree_result_decl GTY(())
2938 struct tree_decl_with_rtl common;
2941 struct tree_const_decl GTY(())
2943 struct tree_decl_with_rtl common;
2946 /* For a PARM_DECL, records the data type used to pass the argument,
2947 which may be different from the type seen in the program. */
2948 #define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl_common.initial)
2950 /* For PARM_DECL, holds an RTL for the stack slot or register
2951 where the data was actually passed. */
2952 #define DECL_INCOMING_RTL(NODE) (PARM_DECL_CHECK (NODE)->parm_decl.incoming_rtl)
2954 struct tree_parm_decl GTY(())
2956 struct tree_decl_with_rtl common;
2961 /* Nonzero in a decl means that the gimplifier has seen (or placed)
2962 this variable in a BIND_EXPR. */
2963 #define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
2964 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.seen_in_bind_expr)
2966 /* Used to indicate that the linkage status of this DECL is not yet known,
2967 so it should not be output now. */
2968 #define DECL_DEFER_OUTPUT(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
2970 /* Nonzero for a given ..._DECL node means that no warnings should be
2971 generated just because this node is unused. */
2972 #define DECL_IN_SYSTEM_HEADER(NODE) \
2973 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.in_system_header_flag)
2975 /* Used to indicate that this DECL has weak linkage. */
2976 #define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
2978 /* Internal to the gimplifier. Indicates that the value is a formal
2979 temporary controlled by the gimplifier. */
2980 #define DECL_GIMPLE_FORMAL_TEMP_P(DECL) \
2981 DECL_WITH_VIS_CHECK (DECL)->decl_with_vis.gimple_formal_temp
2983 /* Used to indicate that the DECL is a dllimport. */
2984 #define DECL_DLLIMPORT_P(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_flag)
2986 /* DECL_BASED_ON_RESTRICT_P records whether a VAR_DECL is a temporary
2987 based on a variable with a restrict qualified type. If it is,
2988 DECL_RESTRICT_BASE returns the restrict qualified variable on which
2991 #define DECL_BASED_ON_RESTRICT_P(NODE) \
2992 (VAR_DECL_CHECK (NODE)->decl_with_vis.based_on_restrict_p)
2993 #define DECL_GET_RESTRICT_BASE(NODE) \
2994 (decl_restrict_base_lookup (VAR_DECL_CHECK (NODE)))
2995 #define SET_DECL_RESTRICT_BASE(NODE, VAL) \
2996 (decl_restrict_base_insert (VAR_DECL_CHECK (NODE), (VAL)))
2998 extern tree decl_restrict_base_lookup (tree);
2999 extern void decl_restrict_base_insert (tree, tree);
3001 /* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
3002 not be put out unless it is needed in this translation unit.
3003 Entities like this are shared across translation units (like weak
3004 entities), but are guaranteed to be generated by any translation
3005 unit that needs them, and therefore need not be put out anywhere
3006 where they are not needed. DECL_COMDAT is just a hint to the
3007 back-end; it is up to front-ends which set this flag to ensure
3008 that there will never be any harm, other than bloat, in putting out
3009 something which is DECL_COMDAT. */
3010 #define DECL_COMDAT(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
3012 /* A replaceable function is one which may be replaced at link-time
3013 with an entirely different definition, provided that the
3014 replacement has the same type. For example, functions declared
3015 with __attribute__((weak)) on most systems are replaceable.
3017 COMDAT functions are not replaceable, since all definitions of the
3018 function must be equivalent. It is important that COMDAT functions
3019 not be treated as replaceable so that use of C++ template
3020 instantiations is not penalized.
3022 For example, DECL_REPLACEABLE is used to determine whether or not a
3023 function (including a template instantiation) which is not
3024 explicitly declared "inline" can be inlined. If the function is
3025 DECL_REPLACEABLE then it is not safe to do the inlining, since the
3026 implementation chosen at link-time may be different. However, a
3027 function that is not DECL_REPLACEABLE can be inlined, since all
3028 versions of the function will be functionally identical. */
3029 #define DECL_REPLACEABLE_P(NODE) \
3030 (!DECL_COMDAT (NODE) && !targetm.binds_local_p (NODE))
3032 /* The name of the object as the assembler will see it (but before any
3033 translations made by ASM_OUTPUT_LABELREF). Often this is the same
3034 as DECL_NAME. It is an IDENTIFIER_NODE. */
3035 #define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE)
3037 /* Return true if NODE is a NODE that can contain a DECL_ASSEMBLER_NAME.
3038 This is true of all DECL nodes except FIELD_DECL. */
3039 #define HAS_DECL_ASSEMBLER_NAME_P(NODE) \
3040 (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WITH_VIS))
3042 /* Returns nonzero if the DECL_ASSEMBLER_NAME for NODE has been set. If zero,
3043 the NODE might still have a DECL_ASSEMBLER_NAME -- it just hasn't been set
3045 #define DECL_ASSEMBLER_NAME_SET_P(NODE) \
3046 (HAS_DECL_ASSEMBLER_NAME_P (NODE) && DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name != NULL_TREE)
3048 /* Set the DECL_ASSEMBLER_NAME for NODE to NAME. */
3049 #define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
3050 (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name = (NAME))
3052 /* Copy the DECL_ASSEMBLER_NAME from DECL1 to DECL2. Note that if DECL1's
3053 DECL_ASSEMBLER_NAME has not yet been set, using this macro will not cause
3054 the DECL_ASSEMBLER_NAME of either DECL to be set. In other words, the
3055 semantics of using this macro, are different than saying:
3057 SET_DECL_ASSEMBLER_NAME(DECL2, DECL_ASSEMBLER_NAME (DECL1))
3059 which will try to set the DECL_ASSEMBLER_NAME for DECL1. */
3061 #define COPY_DECL_ASSEMBLER_NAME(DECL1, DECL2) \
3062 (DECL_ASSEMBLER_NAME_SET_P (DECL1) \
3063 ? (void) SET_DECL_ASSEMBLER_NAME (DECL2, \
3064 DECL_ASSEMBLER_NAME (DECL1)) \
3067 /* Records the section name in a section attribute. Used to pass
3068 the name from decl_attributes to make_function_rtl and make_decl_rtl. */
3069 #define DECL_SECTION_NAME(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.section_name)
3071 /* Value of the decls's visibility attribute */
3072 #define DECL_VISIBILITY(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility)
3074 /* Nonzero means that the decl had its visibility specified rather than
3076 #define DECL_VISIBILITY_SPECIFIED(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility_specified)
3078 /* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
3079 multiple translation units should be merged. */
3080 #define DECL_ONE_ONLY(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.one_only)
3082 struct tree_decl_with_vis GTY(())
3084 struct tree_decl_with_rtl common;
3085 tree assembler_name;
3088 /* Belong to VAR_DECL exclusively. */
3089 unsigned defer_output:1;
3090 unsigned hard_register:1;
3091 unsigned thread_local:1;
3092 unsigned common_flag:1;
3093 unsigned in_text_section : 1;
3094 unsigned gimple_formal_temp : 1;
3095 unsigned dllimport_flag : 1;
3096 unsigned based_on_restrict_p : 1;
3097 /* Used by C++. Might become a generic decl flag. */
3098 unsigned shadowed_for_var_p : 1;
3100 /* Don't belong to VAR_DECL exclusively. */
3101 unsigned in_system_header_flag : 1;
3102 unsigned weak_flag:1;
3103 unsigned seen_in_bind_expr : 1;
3104 unsigned comdat_flag : 1;
3105 ENUM_BITFIELD(symbol_visibility) visibility : 2;
3106 unsigned visibility_specified : 1;
3107 /* Belong to FUNCTION_DECL exclusively. */
3108 unsigned one_only : 1;
3109 unsigned init_priority_p:1;
3111 /* Belongs to VAR_DECL exclusively. */
3112 ENUM_BITFIELD(tls_model) tls_model : 3;
3113 /* 11 unused bits. */
3116 /* In a VAR_DECL that's static,
3117 nonzero if the space is in the text section. */
3118 #define DECL_IN_TEXT_SECTION(NODE) (VAR_DECL_CHECK (NODE)->decl_with_vis.in_text_section)
3120 /* Nonzero for a given ..._DECL node means that this node should be
3121 put in .common, if possible. If a DECL_INITIAL is given, and it
3122 is not error_mark_node, then the decl cannot be put in .common. */
3123 #define DECL_COMMON(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.common_flag)
3125 /* In a VAR_DECL, nonzero if the decl is a register variable with
3126 an explicit asm specification. */
3127 #define DECL_HARD_REGISTER(NODE) (VAR_DECL_CHECK (NODE)->decl_with_vis.hard_register)
3129 extern tree decl_debug_expr_lookup (tree);
3130 extern void decl_debug_expr_insert (tree, tree);
3131 /* For VAR_DECL, this is set to either an expression that it was split
3132 from (if DECL_DEBUG_EXPR_IS_FROM is true), otherwise a tree_list of
3133 subexpressions that it was split into. */
3134 #define DECL_DEBUG_EXPR(NODE) \
3135 (decl_debug_expr_lookup (VAR_DECL_CHECK (NODE)))
3137 #define SET_DECL_DEBUG_EXPR(NODE, VAL) \
3138 (decl_debug_expr_insert (VAR_DECL_CHECK (NODE), VAL))
3140 /* An initializationp priority. */
3141 typedef unsigned short priority_type;
3143 extern priority_type decl_init_priority_lookup (tree);
3144 extern priority_type decl_fini_priority_lookup (tree);
3145 extern void decl_init_priority_insert (tree, priority_type);
3146 extern void decl_fini_priority_insert (tree, priority_type);
3148 /* In a non-local VAR_DECL with static storage duration, true if the
3149 variable has an initialization priority. If false, the variable
3150 will be initialized at the DEFAULT_INIT_PRIORITY. */
3151 #define DECL_HAS_INIT_PRIORITY_P(NODE) \
3152 (VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
3154 /* For a VAR_DECL or FUNCTION_DECL the initialization priority of
3156 #define DECL_INIT_PRIORITY(NODE) \
3157 (decl_init_priority_lookup (NODE))
3158 /* Set the initialization priority for NODE to VAL. */
3159 #define SET_DECL_INIT_PRIORITY(NODE, VAL) \
3160 (decl_init_priority_insert (NODE, VAL))
3162 /* For a FUNCTION_DECL the finalization priority of NODE. */
3163 #define DECL_FINI_PRIORITY(NODE) \
3164 (decl_fini_priority_lookup (NODE))
3165 /* Set the finalization priority for NODE to VAL. */
3166 #define SET_DECL_FINI_PRIORITY(NODE, VAL) \
3167 (decl_fini_priority_insert (NODE, VAL))
3169 /* The initialization priority for entities for which no explicit
3170 initialization priority has been specified. */
3171 #define DEFAULT_INIT_PRIORITY 65535
3173 /* The maximum allowed initialization priority. */
3174 #define MAX_INIT_PRIORITY 65535
3176 /* The largest priority value reserved for use by system runtime
3178 #define MAX_RESERVED_INIT_PRIORITY 100
3180 /* In a VAR_DECL, the model to use if the data should be allocated from
3181 thread-local storage. */
3182 #define DECL_TLS_MODEL(NODE) (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model)
3184 /* In a VAR_DECL, nonzero if the data should be allocated from
3185 thread-local storage. */
3186 #define DECL_THREAD_LOCAL_P(NODE) \
3187 (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model != TLS_MODEL_NONE)
3189 struct tree_var_decl GTY(())
3191 struct tree_decl_with_vis common;
3195 /* This field is used to reference anything in decl.result and is meant only
3196 for use by the garbage collector. */
3197 #define DECL_RESULT_FLD(NODE) (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.result)
3199 /* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
3200 Before the struct containing the FUNCTION_DECL is laid out,
3201 DECL_VINDEX may point to a FUNCTION_DECL in a base class which
3202 is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual
3203 function. When the class is laid out, this pointer is changed
3204 to an INTEGER_CST node which is suitable for use as an index
3205 into the virtual function table.
3206 C++ also uses this field in namespaces, hence the DECL_NON_COMMON_CHECK. */
3207 #define DECL_VINDEX(NODE) (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.vindex)
3209 struct tree_decl_non_common GTY(())
3212 struct tree_decl_with_vis common;
3213 /* C++ uses this in namespaces. */
3215 /* C++ uses this in templates. */
3217 /* Almost all FE's use this. */
3219 /* C++ uses this in namespaces. */
3223 /* In FUNCTION_DECL, holds the decl for the return value. */
3224 #define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.result)
3226 /* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */
3227 #define DECL_UNINLINABLE(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.uninlinable)
3229 /* In a FUNCTION_DECL, the saved representation of the body of the
3231 #define DECL_SAVED_TREE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.saved_tree)
3233 /* Nonzero in a FUNCTION_DECL means this function should be treated
3234 as if it were a malloc, meaning it returns a pointer that is
3236 #define DECL_IS_MALLOC(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.malloc_flag)
3238 /* Nonzero in a FUNCTION_DECL means this function may return more
3240 #define DECL_IS_RETURNS_TWICE(NODE) \
3241 (FUNCTION_DECL_CHECK (NODE)->function_decl.returns_twice_flag)
3243 /* Nonzero in a FUNCTION_DECL means this function should be treated
3244 as "pure" function (like const function, but may read global memory). */
3245 #define DECL_IS_PURE(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
3247 /* Nonzero in a FUNCTION_DECL means this function should be treated
3248 as "novops" function (function that does not read global memory,
3249 but may have arbitrary side effects). */
3250 #define DECL_IS_NOVOPS(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.novops_flag)
3252 /* Used in FUNCTION_DECLs to indicate that they should be run automatically
3253 at the beginning or end of execution. */
3254 #define DECL_STATIC_CONSTRUCTOR(NODE) \
3255 (FUNCTION_DECL_CHECK (NODE)->function_decl.static_ctor_flag)
3257 #define DECL_STATIC_DESTRUCTOR(NODE) \
3258 (FUNCTION_DECL_CHECK (NODE)->function_decl.static_dtor_flag)
3260 /* Used in FUNCTION_DECLs to indicate that function entry and exit should
3261 be instrumented with calls to support routines. */
3262 #define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
3263 (FUNCTION_DECL_CHECK (NODE)->function_decl.no_instrument_function_entry_exit)
3265 /* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
3266 disabled in this function. */
3267 #define DECL_NO_LIMIT_STACK(NODE) \
3268 (FUNCTION_DECL_CHECK (NODE)->function_decl.no_limit_stack)
3270 /* In a FUNCTION_DECL with a nonzero DECL_CONTEXT, indicates that a
3271 static chain is not needed. */
3272 #define DECL_NO_STATIC_CHAIN(NODE) \
3273 (FUNCTION_DECL_CHECK (NODE)->function_decl.regdecl_flag)
3275 /* Nonzero for a decl that cgraph has decided should be inlined into
3276 at least one call site. It is not meaningful to look at this
3277 directly; always use cgraph_function_possibly_inlined_p. */
3278 #define DECL_POSSIBLY_INLINED(DECL) \
3279 FUNCTION_DECL_CHECK (DECL)->function_decl.possibly_inlined
3281 /* Nonzero in a FUNCTION_DECL means this function can be substituted
3282 where it is called. */
3283 #define DECL_INLINE(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.inline_flag)
3285 /* Nonzero in a FUNCTION_DECL means that this function was declared inline,
3286 such as via the `inline' keyword in C/C++. This flag controls the linkage
3287 semantics of 'inline'; whether or not the function is inlined is
3288 controlled by DECL_INLINE. */
3289 #define DECL_DECLARED_INLINE_P(NODE) \
3290 (FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
3292 /* Nonzero in a FUNCTION_DECL that should be always inlined by the inliner
3293 disregarding size and cost heuristics. This is equivalent to using
3294 the always_inline attribute without the required diagnostics if the
3295 function cannot be inlined. */
3296 #define DECL_DISREGARD_INLINE_LIMITS(NODE) \
3297 (FUNCTION_DECL_CHECK (NODE)->function_decl.disregard_inline_limits)
3299 /* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
3300 that describes the status of this function. */
3301 #define DECL_STRUCT_FUNCTION(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.f)
3303 /* In a FUNCTION_DECL, nonzero means a built in function. */
3304 #define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
3306 /* For a builtin function, identify which part of the compiler defined it. */
3307 #define DECL_BUILT_IN_CLASS(NODE) \
3308 (FUNCTION_DECL_CHECK (NODE)->function_decl.built_in_class)
3310 /* In FUNCTION_DECL, a chain of ..._DECL nodes.
3311 VAR_DECL and PARM_DECL reserve the arguments slot for language-specific
3313 #define DECL_ARGUMENTS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.arguments)
3314 #define DECL_ARGUMENT_FLD(NODE) (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments)
3316 /* FUNCTION_DECL inherits from DECL_NON_COMMON because of the use of the
3317 arguments/result/saved_tree fields by front ends. It was either inherit
3318 FUNCTION_DECL from non_common, or inherit non_common from FUNCTION_DECL,
3319 which seemed a bit strange. */
3321 struct tree_function_decl GTY(())
3323 struct tree_decl_non_common common;
3327 /* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
3328 DECL_FUNCTION_CODE. Otherwise unused.
3329 ??? The bitfield needs to be able to hold all target function
3331 ENUM_BITFIELD(built_in_function) function_code : 11;
3332 ENUM_BITFIELD(built_in_class) built_in_class : 2;
3334 unsigned static_ctor_flag : 1;
3335 unsigned static_dtor_flag : 1;
3336 unsigned uninlinable : 1;
3338 unsigned possibly_inlined : 1;
3339 unsigned novops_flag : 1;
3340 unsigned returns_twice_flag : 1;
3341 unsigned malloc_flag : 1;
3342 unsigned pure_flag : 1;
3343 unsigned declared_inline_flag : 1;
3344 unsigned regdecl_flag : 1;
3345 unsigned inline_flag : 1;
3347 unsigned no_instrument_function_entry_exit : 1;
3348 unsigned no_limit_stack : 1;
3349 unsigned disregard_inline_limits : 1;
3354 /* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
3355 #define DECL_ORIGINAL_TYPE(NODE) (TYPE_DECL_CHECK (NODE)->decl_non_common.result)
3357 /* In a TYPE_DECL nonzero means the detail info about this type is not dumped
3358 into stabs. Instead it will generate cross reference ('x') of names.
3359 This uses the same flag as DECL_EXTERNAL. */
3360 #define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
3361 (TYPE_DECL_CHECK (NODE)->decl_common.decl_flag_2)
3363 struct tree_type_decl GTY(())
3365 struct tree_decl_non_common common;
3369 /* A STATEMENT_LIST chains statements together in GENERIC and GIMPLE.
3370 To reduce overhead, the nodes containing the statements are not trees.
3371 This avoids the overhead of tree_common on all linked list elements.
3373 Use the interface in tree-iterator.h to access this node. */
3375 #define STATEMENT_LIST_HEAD(NODE) \
3376 (STATEMENT_LIST_CHECK (NODE)->stmt_list.head)
3377 #define STATEMENT_LIST_TAIL(NODE) \
3378 (STATEMENT_LIST_CHECK (NODE)->stmt_list.tail)
3380 struct tree_statement_list_node
3381 GTY ((chain_next ("%h.next"), chain_prev ("%h.prev")))
3383 struct tree_statement_list_node *prev;
3384 struct tree_statement_list_node *next;
3388 struct tree_statement_list
3391 struct tree_common common;
3392 struct tree_statement_list_node *head;
3393 struct tree_statement_list_node *tail;
3396 #define VALUE_HANDLE_ID(NODE) \
3397 (VALUE_HANDLE_CHECK (NODE)->value_handle.id)
3399 #define VALUE_HANDLE_EXPR_SET(NODE) \
3400 (VALUE_HANDLE_CHECK (NODE)->value_handle.expr_set)
3402 /* Defined and used in tree-ssa-pre.c. */
3404 struct tree_value_handle GTY(())
3406 struct tree_common common;
3408 /* The set of expressions represented by this handle. */
3409 struct bitmap_set * GTY ((skip)) expr_set;
3411 /* Unique ID for this value handle. IDs are handed out in a
3412 conveniently dense form starting at 0, so that we can make
3413 bitmaps of value handles. */
3417 /* Define the overall contents of a tree node.
3418 It may be any of the structures declared above
3419 for various types of node. */
3421 union tree_node GTY ((ptr_alias (union lang_tree_node),
3422 desc ("tree_node_structure (&%h)")))
3424 struct tree_base GTY ((tag ("TS_BASE"))) base;
3425 struct tree_common GTY ((tag ("TS_COMMON"))) common;
3426 struct tree_int_cst GTY ((tag ("TS_INT_CST"))) int_cst;
3427 struct tree_real_cst GTY ((tag ("TS_REAL_CST"))) real_cst;
3428 struct tree_fixed_cst GTY ((tag ("TS_FIXED_CST"))) fixed_cst;
3429 struct tree_vector GTY ((tag ("TS_VECTOR"))) vector;
3430 struct tree_string GTY ((tag ("TS_STRING"))) string;
3431 struct tree_complex GTY ((tag ("TS_COMPLEX"))) complex;
3432 struct tree_identifier GTY ((tag ("TS_IDENTIFIER"))) identifier;
3433 struct tree_decl_minimal GTY((tag ("TS_DECL_MINIMAL"))) decl_minimal;
3434 struct tree_decl_common GTY ((tag ("TS_DECL_COMMON"))) decl_common;
3435 struct tree_decl_with_rtl GTY ((tag ("TS_DECL_WRTL"))) decl_with_rtl;
3436 struct tree_decl_non_common GTY ((tag ("TS_DECL_NON_COMMON"))) decl_non_common;
3437 struct tree_parm_decl GTY ((tag ("TS_PARM_DECL"))) parm_decl;
3438 struct tree_decl_with_vis GTY ((tag ("TS_DECL_WITH_VIS"))) decl_with_vis;
3439 struct tree_var_decl GTY ((tag ("TS_VAR_DECL"))) var_decl;
3440 struct tree_field_decl GTY ((tag ("TS_FIELD_DECL"))) field_decl;
3441 struct tree_label_decl GTY ((tag ("TS_LABEL_DECL"))) label_decl;
3442 struct tree_result_decl GTY ((tag ("TS_RESULT_DECL"))) result_decl;
3443 struct tree_const_decl GTY ((tag ("TS_CONST_DECL"))) const_decl;
3444 struct tree_type_decl GTY ((tag ("TS_TYPE_DECL"))) type_decl;
3445 struct tree_function_decl GTY ((tag ("TS_FUNCTION_DECL"))) function_decl;
3446 struct tree_type GTY ((tag ("TS_TYPE"))) type;
3447 struct tree_list GTY ((tag ("TS_LIST"))) list;
3448 struct tree_vec GTY ((tag ("TS_VEC"))) vec;
3449 struct tree_exp GTY ((tag ("TS_EXP"))) exp;
3450 struct tree_ssa_name GTY ((tag ("TS_SSA_NAME"))) ssa_name;
3451 struct tree_phi_node GTY ((tag ("TS_PHI_NODE"))) phi;
3452 struct tree_block GTY ((tag ("TS_BLOCK"))) block;
3453 struct tree_binfo GTY ((tag ("TS_BINFO"))) binfo;
3454 struct tree_statement_list GTY ((tag ("TS_STATEMENT_LIST"))) stmt_list;
3455 struct gimple_stmt GTY ((tag ("TS_GIMPLE_STATEMENT"))) gstmt;
3456 struct tree_value_handle GTY ((tag ("TS_VALUE_HANDLE"))) value_handle;
3457 struct tree_constructor GTY ((tag ("TS_CONSTRUCTOR"))) constructor;
3458 struct tree_memory_tag GTY ((tag ("TS_MEMORY_TAG"))) mtag;
3459 struct tree_struct_field_tag GTY ((tag ("TS_STRUCT_FIELD_TAG"))) sft;
3460 struct tree_omp_clause GTY ((tag ("TS_OMP_CLAUSE"))) omp_clause;
3461 struct tree_memory_partition_tag GTY ((tag ("TS_MEMORY_PARTITION_TAG"))) mpt;
3464 /* Standard named or nameless data types of the C compiler. */
3486 TI_INTEGER_MINUS_ONE,
3503 TI_COMPLEX_INTEGER_TYPE,
3504 TI_COMPLEX_FLOAT_TYPE,
3505 TI_COMPLEX_DOUBLE_TYPE,
3506 TI_COMPLEX_LONG_DOUBLE_TYPE,
3510 TI_LONG_DOUBLE_TYPE,
3514 TI_LONG_DOUBLE_PTR_TYPE,
3515 TI_INTEGER_PTR_TYPE,