blob: d73bc521c3dd2ac5f4cb60275bd3eb57248db2e5 [file] [log] [blame]
/* Definitions for the ubiquitous 'tree' type for GNU compilers.
Copyright (C) 1989-2014 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
#ifndef GCC_TREE_H
#define GCC_TREE_H
#include "tree-core.h"
/* These includes are required here because they provide declarations
used by inline functions in this file.
FIXME - Move these users elsewhere? */
#include "fold-const.h"
/* Macros for initializing `tree_contains_struct'. */
#define MARK_TS_BASE(C) \
do { \
tree_contains_struct[C][TS_BASE] = 1; \
} while (0)
#define MARK_TS_TYPED(C) \
do { \
MARK_TS_BASE (C); \
tree_contains_struct[C][TS_TYPED] = 1; \
} while (0)
#define MARK_TS_COMMON(C) \
do { \
MARK_TS_TYPED (C); \
tree_contains_struct[C][TS_COMMON] = 1; \
} while (0)
#define MARK_TS_TYPE_COMMON(C) \
do { \
MARK_TS_COMMON (C); \
tree_contains_struct[C][TS_TYPE_COMMON] = 1; \
} while (0)
#define MARK_TS_TYPE_WITH_LANG_SPECIFIC(C) \
do { \
MARK_TS_TYPE_COMMON (C); \
tree_contains_struct[C][TS_TYPE_WITH_LANG_SPECIFIC] = 1; \
} while (0)
#define MARK_TS_DECL_MINIMAL(C) \
do { \
MARK_TS_COMMON (C); \
tree_contains_struct[C][TS_DECL_MINIMAL] = 1; \
} while (0)
#define MARK_TS_DECL_COMMON(C) \
do { \
MARK_TS_DECL_MINIMAL (C); \
tree_contains_struct[C][TS_DECL_COMMON] = 1; \
} while (0)
#define MARK_TS_DECL_WRTL(C) \
do { \
MARK_TS_DECL_COMMON (C); \
tree_contains_struct[C][TS_DECL_WRTL] = 1; \
} while (0)
#define MARK_TS_DECL_WITH_VIS(C) \
do { \
MARK_TS_DECL_WRTL (C); \
tree_contains_struct[C][TS_DECL_WITH_VIS] = 1; \
} while (0)
#define MARK_TS_DECL_NON_COMMON(C) \
do { \
MARK_TS_DECL_WITH_VIS (C); \
tree_contains_struct[C][TS_DECL_NON_COMMON] = 1; \
} while (0)
/* Returns the string representing CLASS. */
#define TREE_CODE_CLASS_STRING(CLASS)\
tree_code_class_strings[(int) (CLASS)]
#define TREE_CODE_CLASS(CODE) tree_code_type[(int) (CODE)]
/* Nonzero if NODE represents an exceptional code. */
#define EXCEPTIONAL_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_exceptional)
/* Nonzero if NODE represents a constant. */
#define CONSTANT_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_constant)
/* Nonzero if NODE represents a type. */
#define TYPE_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_type)
/* Nonzero if NODE represents a declaration. */
#define DECL_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_declaration)
/* True if NODE designates a variable declaration. */
#define VAR_P(NODE) \
(TREE_CODE (NODE) == VAR_DECL)
/* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL. */
#define VAR_OR_FUNCTION_DECL_P(DECL)\
(TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
/* Nonzero if NODE represents a INDIRECT_REF. Keep these checks in
ascending code order. */
#define INDIRECT_REF_P(NODE)\
(TREE_CODE (NODE) == INDIRECT_REF)
/* Nonzero if NODE represents a reference. */
#define REFERENCE_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_reference)
/* Nonzero if NODE represents a comparison. */
#define COMPARISON_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_comparison)
/* Nonzero if NODE represents a unary arithmetic expression. */
#define UNARY_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_unary)
/* Nonzero if NODE represents a binary arithmetic expression. */
#define BINARY_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_binary)
/* Nonzero if NODE represents a statement expression. */
#define STATEMENT_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_statement)
/* Nonzero if NODE represents a function call-like expression with a
variable-length operand vector. */
#define VL_EXP_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_vl_exp)
/* Nonzero if NODE represents any other expression. */
#define EXPRESSION_CLASS_P(NODE)\
(TREE_CODE_CLASS (TREE_CODE (NODE)) == tcc_expression)
/* Returns nonzero iff NODE represents a type or declaration. */
#define IS_TYPE_OR_DECL_P(NODE)\
(TYPE_P (NODE) || DECL_P (NODE))
/* Returns nonzero iff CLASS is the tree-code class of an
expression. */
#define IS_EXPR_CODE_CLASS(CLASS)\
((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
/* Returns nonzero iff NODE is an expression of some kind. */
#define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
#define TREE_CODE_LENGTH(CODE) tree_code_length[(int) (CODE)]
/* Helper macros for math builtins. */
#define BUILTIN_EXP10_P(FN) \
((FN) == BUILT_IN_EXP10 || (FN) == BUILT_IN_EXP10F || (FN) == BUILT_IN_EXP10L \
|| (FN) == BUILT_IN_POW10 || (FN) == BUILT_IN_POW10F || (FN) == BUILT_IN_POW10L)
#define BUILTIN_EXPONENT_P(FN) (BUILTIN_EXP10_P (FN) \
|| (FN) == BUILT_IN_EXP || (FN) == BUILT_IN_EXPF || (FN) == BUILT_IN_EXPL \
|| (FN) == BUILT_IN_EXP2 || (FN) == BUILT_IN_EXP2F || (FN) == BUILT_IN_EXP2L)
#define BUILTIN_SQRT_P(FN) \
((FN) == BUILT_IN_SQRT || (FN) == BUILT_IN_SQRTF || (FN) == BUILT_IN_SQRTL)
#define BUILTIN_CBRT_P(FN) \
((FN) == BUILT_IN_CBRT || (FN) == BUILT_IN_CBRTF || (FN) == BUILT_IN_CBRTL)
#define BUILTIN_ROOT_P(FN) (BUILTIN_SQRT_P (FN) || BUILTIN_CBRT_P (FN))
#define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L
#define CASE_FLT_FN_REENT(FN) case FN##_R: case FN##F_R: case FN##L_R
#define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL: case FN##IMAX
/* Define accessors for the fields that all tree nodes have
(though some fields are not used for all kinds of nodes). */
/* The tree-code says what kind of node it is.
Codes are defined in tree.def. */
#define TREE_CODE(NODE) ((enum tree_code) (NODE)->base.code)
#define TREE_SET_CODE(NODE, VALUE) ((NODE)->base.code = (VALUE))
/* When checking is enabled, errors will be generated if a tree node
is accessed incorrectly. The macros die with a fatal error. */
#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
#define TREE_CHECK(T, CODE) \
(tree_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
#define TREE_NOT_CHECK(T, CODE) \
(tree_not_check ((T), __FILE__, __LINE__, __FUNCTION__, (CODE)))
#define TREE_CHECK2(T, CODE1, CODE2) \
(tree_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
#define TREE_NOT_CHECK2(T, CODE1, CODE2) \
(tree_not_check2 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2)))
#define TREE_CHECK3(T, CODE1, CODE2, CODE3) \
(tree_check3 ((T), __FILE__, __LINE__, __FUNCTION__, (CODE1), (CODE2), (CODE3)))
#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) \
(tree_not_check3 ((T), __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3)))
#define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
(tree_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), (CODE4)))
#define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) \
(tree_not_check4 ((T), __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), (CODE4)))
#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
(tree_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
#define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) \
(tree_not_check5 ((T), __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2), (CODE3), (CODE4), (CODE5)))
#define CONTAINS_STRUCT_CHECK(T, STRUCT) \
(contains_struct_check ((T), (STRUCT), __FILE__, __LINE__, __FUNCTION__))
#define TREE_CLASS_CHECK(T, CLASS) \
(tree_class_check ((T), (CLASS), __FILE__, __LINE__, __FUNCTION__))
#define TREE_RANGE_CHECK(T, CODE1, CODE2) \
(tree_range_check ((T), (CODE1), (CODE2), __FILE__, __LINE__, __FUNCTION__))
#define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) \
(omp_clause_subcode_check ((T), (CODE), __FILE__, __LINE__, __FUNCTION__))
#define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) \
(omp_clause_range_check ((T), (CODE1), (CODE2), \
__FILE__, __LINE__, __FUNCTION__))
/* These checks have to be special cased. */
#define EXPR_CHECK(T) \
(expr_check ((T), __FILE__, __LINE__, __FUNCTION__))
/* These checks have to be special cased. */
#define NON_TYPE_CHECK(T) \
(non_type_check ((T), __FILE__, __LINE__, __FUNCTION__))
#define TREE_VEC_ELT_CHECK(T, I) \
(*(CONST_CAST2 (tree *, typeof (T)*, \
tree_vec_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
#define OMP_CLAUSE_ELT_CHECK(T, I) \
(*(omp_clause_elt_check ((T), (I), __FILE__, __LINE__, __FUNCTION__)))
/* Special checks for TREE_OPERANDs. */
#define TREE_OPERAND_CHECK(T, I) \
(*(CONST_CAST2 (tree*, typeof (T)*, \
tree_operand_check ((T), (I), __FILE__, __LINE__, __FUNCTION__))))
#define TREE_OPERAND_CHECK_CODE(T, CODE, I) \
(*(tree_operand_check_code ((T), (CODE), (I), \
__FILE__, __LINE__, __FUNCTION__)))
/* Nodes are chained together for many purposes.
Types are chained together to record them for being output to the debugger
(see the function `chain_type').
Decls in the same scope are chained together to record the contents
of the scope.
Statement nodes for successive statements used to be chained together.
Often lists of things are represented by TREE_LIST nodes that
are chained together. */
#define TREE_CHAIN(NODE) \
(CONTAINS_STRUCT_CHECK (NODE, TS_COMMON)->common.chain)
/* In all nodes that are expressions, this is the data type of the expression.
In POINTER_TYPE nodes, this is the type that the pointer points to.
In ARRAY_TYPE nodes, this is the type of the elements.
In VECTOR_TYPE nodes, this is the type of the elements. */
#define TREE_TYPE(NODE) \
(CONTAINS_STRUCT_CHECK (NODE, TS_TYPED)->typed.type)
extern void tree_contains_struct_check_failed (const_tree,
const enum tree_node_structure_enum,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void tree_check_failed (const_tree, const char *, int, const char *,
...) ATTRIBUTE_NORETURN;
extern void tree_not_check_failed (const_tree, const char *, int, const char *,
...) ATTRIBUTE_NORETURN;
extern void tree_class_check_failed (const_tree, const enum tree_code_class,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void tree_range_check_failed (const_tree, const char *, int,
const char *, enum tree_code,
enum tree_code)
ATTRIBUTE_NORETURN;
extern void tree_not_class_check_failed (const_tree,
const enum tree_code_class,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void tree_vec_elt_check_failed (int, int, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
extern void phi_node_elt_check_failed (int, int, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
extern void tree_operand_check_failed (int, const_tree,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void omp_clause_check_failed (const_tree, const char *, int,
const char *, enum omp_clause_code)
ATTRIBUTE_NORETURN;
extern void omp_clause_operand_check_failed (int, const_tree, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
extern void omp_clause_range_check_failed (const_tree, const char *, int,
const char *, enum omp_clause_code,
enum omp_clause_code)
ATTRIBUTE_NORETURN;
#else /* not ENABLE_TREE_CHECKING, or not gcc */
#define CONTAINS_STRUCT_CHECK(T, ENUM) (T)
#define TREE_CHECK(T, CODE) (T)
#define TREE_NOT_CHECK(T, CODE) (T)
#define TREE_CHECK2(T, CODE1, CODE2) (T)
#define TREE_NOT_CHECK2(T, CODE1, CODE2) (T)
#define TREE_CHECK3(T, CODE1, CODE2, CODE3) (T)
#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) (T)
#define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
#define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
#define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
#define TREE_CLASS_CHECK(T, CODE) (T)
#define TREE_RANGE_CHECK(T, CODE1, CODE2) (T)
#define EXPR_CHECK(T) (T)
#define NON_TYPE_CHECK(T) (T)
#define TREE_VEC_ELT_CHECK(T, I) ((T)->vec.a[I])
#define TREE_OPERAND_CHECK(T, I) ((T)->exp.operands[I])
#define TREE_OPERAND_CHECK_CODE(T, CODE, I) ((T)->exp.operands[I])
#define OMP_CLAUSE_ELT_CHECK(T, i) ((T)->omp_clause.ops[i])
#define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) (T)
#define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) (T)
#define TREE_CHAIN(NODE) ((NODE)->common.chain)
#define TREE_TYPE(NODE) ((NODE)->typed.type)
#endif
#define TREE_BLOCK(NODE) (tree_block (NODE))
#define TREE_SET_BLOCK(T, B) (tree_set_block ((T), (B)))
#include "tree-check.h"
#define TYPE_CHECK(T) TREE_CLASS_CHECK (T, tcc_type)
#define DECL_MINIMAL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_MINIMAL)
#define DECL_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_COMMON)
#define DECL_WRTL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WRTL)
#define DECL_WITH_VIS_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WITH_VIS)
#define DECL_NON_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_NON_COMMON)
#define CST_CHECK(T) TREE_CLASS_CHECK (T, tcc_constant)
#define STMT_CHECK(T) TREE_CLASS_CHECK (T, tcc_statement)
#define VL_EXP_CHECK(T) TREE_CLASS_CHECK (T, tcc_vl_exp)
#define FUNC_OR_METHOD_CHECK(T) TREE_CHECK2 (T, FUNCTION_TYPE, METHOD_TYPE)
#define PTR_OR_REF_CHECK(T) TREE_CHECK2 (T, POINTER_TYPE, REFERENCE_TYPE)
#define RECORD_OR_UNION_CHECK(T) \
TREE_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
#define NOT_RECORD_OR_UNION_CHECK(T) \
TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
#define NUMERICAL_TYPE_CHECK(T) \
TREE_CHECK5 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE, \
FIXED_POINT_TYPE)
/* Here is how primitive or already-canonicalized types' hash codes
are made. */
#define TYPE_HASH(TYPE) (TYPE_UID (TYPE))
/* A simple hash function for an arbitrary tree node. This must not be
used in hash tables which are saved to a PCH. */
#define TREE_HASH(NODE) ((size_t) (NODE) & 0777777)
/* Tests if CODE is a conversion expr (NOP_EXPR or CONVERT_EXPR). */
#define CONVERT_EXPR_CODE_P(CODE) \
((CODE) == NOP_EXPR || (CODE) == CONVERT_EXPR)
/* Similarly, but accept an expressions instead of a tree code. */
#define CONVERT_EXPR_P(EXP) CONVERT_EXPR_CODE_P (TREE_CODE (EXP))
/* Generate case for NOP_EXPR, CONVERT_EXPR. */
#define CASE_CONVERT \
case NOP_EXPR: \
case CONVERT_EXPR
/* Given an expression as a tree, strip any conversion that generates
no instruction. Accepts both tree and const_tree arguments since
we are not modifying the tree itself. */
#define STRIP_NOPS(EXP) \
(EXP) = tree_strip_nop_conversions (CONST_CAST_TREE (EXP))
/* Like STRIP_NOPS, but don't let the signedness change either. */
#define STRIP_SIGN_NOPS(EXP) \
(EXP) = tree_strip_sign_nop_conversions (CONST_CAST_TREE (EXP))
/* Like STRIP_NOPS, but don't alter the TREE_TYPE either. */
#define STRIP_TYPE_NOPS(EXP) \
while ((CONVERT_EXPR_P (EXP) \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TREE_TYPE (EXP) \
== TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Remove unnecessary type conversions according to
tree_ssa_useless_type_conversion. */
#define STRIP_USELESS_TYPE_CONVERSION(EXP) \
(EXP) = tree_ssa_strip_useless_type_conversions (EXP)
/* Nonzero if TYPE represents a vector type. */
#define VECTOR_TYPE_P(TYPE) (TREE_CODE (TYPE) == VECTOR_TYPE)
/* Nonzero if TYPE represents an integral type. Note that we do not
include COMPLEX types here. Keep these checks in ascending code
order. */
#define INTEGRAL_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == ENUMERAL_TYPE \
|| TREE_CODE (TYPE) == BOOLEAN_TYPE \
|| TREE_CODE (TYPE) == INTEGER_TYPE)
/* Nonzero if TYPE represents a non-saturating fixed-point type. */
#define NON_SAT_FIXED_POINT_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == FIXED_POINT_TYPE && !TYPE_SATURATING (TYPE))
/* Nonzero if TYPE represents a saturating fixed-point type. */
#define SAT_FIXED_POINT_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == FIXED_POINT_TYPE && TYPE_SATURATING (TYPE))
/* Nonzero if TYPE represents a fixed-point type. */
#define FIXED_POINT_TYPE_P(TYPE) (TREE_CODE (TYPE) == FIXED_POINT_TYPE)
/* Nonzero if TYPE represents a scalar floating-point type. */
#define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
/* Nonzero if TYPE represents a complex floating-point type. */
#define COMPLEX_FLOAT_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == COMPLEX_TYPE \
&& TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
/* Nonzero if TYPE represents a vector integer type. */
#define VECTOR_INTEGER_TYPE_P(TYPE) \
(VECTOR_TYPE_P (TYPE) \
&& TREE_CODE (TREE_TYPE (TYPE)) == INTEGER_TYPE)
/* Nonzero if TYPE represents a vector floating-point type. */
#define VECTOR_FLOAT_TYPE_P(TYPE) \
(VECTOR_TYPE_P (TYPE) \
&& TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
/* Nonzero if TYPE represents a floating-point type, including complex
and vector floating-point types. The vector and complex check does
not use the previous two macros to enable early folding. */
#define FLOAT_TYPE_P(TYPE) \
(SCALAR_FLOAT_TYPE_P (TYPE) \
|| ((TREE_CODE (TYPE) == COMPLEX_TYPE \
|| VECTOR_TYPE_P (TYPE)) \
&& SCALAR_FLOAT_TYPE_P (TREE_TYPE (TYPE))))
/* Nonzero if TYPE represents a decimal floating-point type. */
#define DECIMAL_FLOAT_TYPE_P(TYPE) \
(SCALAR_FLOAT_TYPE_P (TYPE) \
&& DECIMAL_FLOAT_MODE_P (TYPE_MODE (TYPE)))
/* Nonzero if TYPE is a record or union type. */
#define RECORD_OR_UNION_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == RECORD_TYPE \
|| TREE_CODE (TYPE) == UNION_TYPE \
|| TREE_CODE (TYPE) == QUAL_UNION_TYPE)
/* Nonzero if TYPE represents an aggregate (multi-component) type.
Keep these checks in ascending code order. */
#define AGGREGATE_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == ARRAY_TYPE || RECORD_OR_UNION_TYPE_P (TYPE))
/* Nonzero if TYPE represents a pointer or reference type.
(It should be renamed to INDIRECT_TYPE_P.) Keep these checks in
ascending code order. */
#define POINTER_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
/* Nonzero if TYPE represents a pointer to function. */
#define FUNCTION_POINTER_TYPE_P(TYPE) \
(POINTER_TYPE_P (TYPE) && TREE_CODE (TREE_TYPE (TYPE)) == FUNCTION_TYPE)
/* Nonzero if this type is a complete type. */
#define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
/* Nonzero if this type is the (possibly qualified) void type. */
#define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE)
/* Nonzero if this type is complete or is cv void. */
#define COMPLETE_OR_VOID_TYPE_P(NODE) \
(COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE))
/* Nonzero if this type is complete or is an array with unspecified bound. */
#define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
(COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
/* Define many boolean fields that all tree nodes have. */
/* In VAR_DECL, PARM_DECL and RESULT_DECL nodes, nonzero means address
of this is needed. So it cannot be in a register.
In a FUNCTION_DECL it has no meaning.
In LABEL_DECL nodes, it means a goto for this label has been seen
from a place outside all binding contours that restore stack levels.
In an artificial SSA_NAME that points to a stack partition with at least
two variables, it means that at least one variable has TREE_ADDRESSABLE.
In ..._TYPE nodes, it means that objects of this type must be fully
addressable. This means that pieces of this object cannot go into
register parameters, for example. If this a function type, this
means that the value must be returned in memory.
In CONSTRUCTOR nodes, it means object constructed must be in memory.
In IDENTIFIER_NODEs, this means that some extern decl for this name
had its address taken. That matters for inline functions.
In a STMT_EXPR, it means we want the result of the enclosed expression. */
#define TREE_ADDRESSABLE(NODE) ((NODE)->base.addressable_flag)
/* Set on a CALL_EXPR if the call is in a tail position, ie. just before the
exit of a function. Calls for which this is true are candidates for tail
call optimizations. */
#define CALL_EXPR_TAILCALL(NODE) \
(CALL_EXPR_CHECK (NODE)->base.addressable_flag)
/* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
CASE_LOW operand has been processed. */
#define CASE_LOW_SEEN(NODE) \
(CASE_LABEL_EXPR_CHECK (NODE)->base.addressable_flag)
#define PREDICT_EXPR_OUTCOME(NODE) \
((enum prediction) (PREDICT_EXPR_CHECK (NODE)->base.addressable_flag))
#define SET_PREDICT_EXPR_OUTCOME(NODE, OUTCOME) \
(PREDICT_EXPR_CHECK (NODE)->base.addressable_flag = (int) OUTCOME)
#define PREDICT_EXPR_PREDICTOR(NODE) \
((enum br_predictor)tree_to_shwi (TREE_OPERAND (PREDICT_EXPR_CHECK (NODE), 0)))
/* In a VAR_DECL, nonzero means allocate static storage.
In a FUNCTION_DECL, nonzero if function has been defined.
In a CONSTRUCTOR, nonzero means allocate static storage. */
#define TREE_STATIC(NODE) ((NODE)->base.static_flag)
/* In an ADDR_EXPR, nonzero means do not use a trampoline. */
#define TREE_NO_TRAMPOLINE(NODE) (ADDR_EXPR_CHECK (NODE)->base.static_flag)
/* In a TARGET_EXPR or WITH_CLEANUP_EXPR, means that the pertinent cleanup
should only be executed if an exception is thrown, not on normal exit
of its scope. */
#define CLEANUP_EH_ONLY(NODE) ((NODE)->base.static_flag)
/* In a TRY_CATCH_EXPR, means that the handler should be considered a
separate cleanup in honor_protect_cleanup_actions. */
#define TRY_CATCH_IS_CLEANUP(NODE) \
(TRY_CATCH_EXPR_CHECK (NODE)->base.static_flag)
/* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
CASE_HIGH operand has been processed. */
#define CASE_HIGH_SEEN(NODE) \
(CASE_LABEL_EXPR_CHECK (NODE)->base.static_flag)
/* Used to mark scoped enums. */
#define ENUM_IS_SCOPED(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.static_flag)
/* Determines whether an ENUMERAL_TYPE has defined the list of constants. */
#define ENUM_IS_OPAQUE(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.private_flag)
/* In an expr node (usually a conversion) this means the node was made
implicitly and should not lead to any sort of warning. In a decl node,
warnings concerning the decl should be suppressed. This is used at
least for used-before-set warnings, and it set after one warning is
emitted. */
#define TREE_NO_WARNING(NODE) ((NODE)->base.nowarning_flag)
/* Used to indicate that this TYPE represents a compiler-generated entity. */
#define TYPE_ARTIFICIAL(NODE) (TYPE_CHECK (NODE)->base.nowarning_flag)
/* In an IDENTIFIER_NODE, this means that assemble_name was called with
this string as an argument. */
#define TREE_SYMBOL_REFERENCED(NODE) \
(IDENTIFIER_NODE_CHECK (NODE)->base.static_flag)
/* Nonzero in a pointer or reference type means the data pointed to
by this type can alias anything. */
#define TYPE_REF_CAN_ALIAS_ALL(NODE) \
(PTR_OR_REF_CHECK (NODE)->base.static_flag)
/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means
there was an overflow in folding. */
#define TREE_OVERFLOW(NODE) (CST_CHECK (NODE)->base.public_flag)
/* TREE_OVERFLOW can only be true for EXPR of CONSTANT_CLASS_P. */
#define TREE_OVERFLOW_P(EXPR) \
(CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
/* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_DECL,
nonzero means name is to be accessible from outside this translation unit.
In an IDENTIFIER_NODE, nonzero means an external declaration
accessible from outside this translation unit was previously seen
for this name in an inner scope. */
#define TREE_PUBLIC(NODE) ((NODE)->base.public_flag)
/* In a _TYPE, indicates whether TYPE_CACHED_VALUES contains a vector
of cached values, or is something else. */
#define TYPE_CACHED_VALUES_P(NODE) (TYPE_CHECK (NODE)->base.public_flag)
/* In a SAVE_EXPR, indicates that the original expression has already
been substituted with a VAR_DECL that contains the value. */
#define SAVE_EXPR_RESOLVED_P(NODE) \
(SAVE_EXPR_CHECK (NODE)->base.public_flag)
/* Set on a CALL_EXPR if this stdarg call should be passed the argument
pack. */
#define CALL_EXPR_VA_ARG_PACK(NODE) \
(CALL_EXPR_CHECK (NODE)->base.public_flag)
/* In any expression, decl, or constant, nonzero means it has side effects or
reevaluation of the whole expression could produce a different value.
This is set if any subexpression is a function call, a side effect or a
reference to a volatile variable. In a ..._DECL, this is set only if the
declaration said `volatile'. This will never be set for a constant. */
#define TREE_SIDE_EFFECTS(NODE) \
(NON_TYPE_CHECK (NODE)->base.side_effects_flag)
/* In a LABEL_DECL, nonzero means this label had its address taken
and therefore can never be deleted and is a jump target for
computed gotos. */
#define FORCED_LABEL(NODE) (LABEL_DECL_CHECK (NODE)->base.side_effects_flag)
/* Nonzero means this expression is volatile in the C sense:
its address should be of type `volatile WHATEVER *'.
In other words, the declared item is volatile qualified.
This is used in _DECL nodes and _REF nodes.
On a FUNCTION_DECL node, this means the function does not
return normally. This is the same effect as setting
the attribute noreturn on the function in C.
In a ..._TYPE node, means this type is volatile-qualified.
But use TYPE_VOLATILE instead of this macro when the node is a type,
because eventually we may make that a different bit.
If this bit is set in an expression, so is TREE_SIDE_EFFECTS. */
#define TREE_THIS_VOLATILE(NODE) ((NODE)->base.volatile_flag)
/* Nonzero means this node will not trap. In an INDIRECT_REF, means
accessing the memory pointed to won't generate a trap. However,
this only applies to an object when used appropriately: it doesn't
mean that writing a READONLY mem won't trap.
In ARRAY_REF and ARRAY_RANGE_REF means that we know that the index
(or slice of the array) always belongs to the range of the array.
I.e. that the access will not trap, provided that the access to
the base to the array will not trap. */
#define TREE_THIS_NOTRAP(NODE) \
(TREE_CHECK5 (NODE, INDIRECT_REF, MEM_REF, TARGET_MEM_REF, ARRAY_REF, \
ARRAY_RANGE_REF)->base.nothrow_flag)
/* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
nonzero means it may not be the lhs of an assignment.
Nonzero in a FUNCTION_DECL means this function should be treated
as "const" function (can only read its arguments). */
#define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->base.readonly_flag)
/* Value of expression is constant. Always on in all ..._CST nodes. May
also appear in an expression or decl where the value is constant. */
#define TREE_CONSTANT(NODE) (NON_TYPE_CHECK (NODE)->base.constant_flag)
/* Nonzero if NODE, a type, has had its sizes gimplified. */
#define TYPE_SIZES_GIMPLIFIED(NODE) \
(TYPE_CHECK (NODE)->base.constant_flag)
/* In a decl (most significantly a FIELD_DECL), means an unsigned field. */
#define DECL_UNSIGNED(NODE) \
(DECL_COMMON_CHECK (NODE)->base.u.bits.unsigned_flag)
/* In integral and pointer types, means an unsigned type. */
#define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->base.u.bits.unsigned_flag)
/* True if overflow wraps around for the given integral type. That
is, TYPE_MAX + 1 == TYPE_MIN. */
#define TYPE_OVERFLOW_WRAPS(TYPE) \
(TYPE_UNSIGNED (TYPE) || flag_wrapv)
/* True if overflow is undefined for the given integral type. We may
optimize on the assumption that values in the type never overflow.
IMPORTANT NOTE: Any optimization based on TYPE_OVERFLOW_UNDEFINED
must issue a warning based on warn_strict_overflow. In some cases
it will be appropriate to issue the warning immediately, and in
other cases it will be appropriate to simply set a flag and let the
caller decide whether a warning is appropriate or not. */
#define TYPE_OVERFLOW_UNDEFINED(TYPE) \
(!TYPE_UNSIGNED (TYPE) && !flag_wrapv && !flag_trapv && flag_strict_overflow)
/* True if overflow for the given integral type should issue a
trap. */
#define TYPE_OVERFLOW_TRAPS(TYPE) \
(!TYPE_UNSIGNED (TYPE) && flag_trapv)
/* True if pointer types have undefined overflow. */
#define POINTER_TYPE_OVERFLOW_UNDEFINED (flag_strict_overflow)
/* Nonzero in a VAR_DECL or STRING_CST means assembler code has been written.
Nonzero in a FUNCTION_DECL means that the function has been compiled.
This is interesting in an inline function, since it might not need
to be compiled separately.
Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE, ENUMERAL_TYPE
or TYPE_DECL if the debugging info for the type has been written.
In a BLOCK node, nonzero if reorder_blocks has already seen this block.
In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
PHI node. */
#define TREE_ASM_WRITTEN(NODE) ((NODE)->base.asm_written_flag)
/* Nonzero in a _DECL if the name is used in its scope.
Nonzero in an expr node means inhibit warning if value is unused.
In IDENTIFIER_NODEs, this means that some extern decl for this name
was used.
In a BLOCK, this means that the block contains variables that are used. */
#define TREE_USED(NODE) ((NODE)->base.used_flag)
/* In a FUNCTION_DECL, nonzero means a call to the function cannot
throw an exception. In a CALL_EXPR, nonzero means the call cannot
throw. We can't easily check the node type here as the C++
frontend also uses this flag (for AGGR_INIT_EXPR). */
#define TREE_NOTHROW(NODE) ((NODE)->base.nothrow_flag)
/* In a CALL_EXPR, means that it's safe to use the target of the call
expansion as the return slot for a call that returns in memory. */
#define CALL_EXPR_RETURN_SLOT_OPT(NODE) \
(CALL_EXPR_CHECK (NODE)->base.private_flag)
/* Cilk keywords accessors. */
#define CILK_SPAWN_FN(NODE) TREE_OPERAND (CILK_SPAWN_STMT_CHECK (NODE), 0)
/* In a RESULT_DECL, PARM_DECL and VAR_DECL, means that it is
passed by invisible reference (and the TREE_TYPE is a pointer to the true
type). */
#define DECL_BY_REFERENCE(NODE) \
(TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, \
RESULT_DECL)->decl_common.decl_by_reference_flag)
/* In VAR_DECL and PARM_DECL, set when the decl has been used except for
being set. */
#define DECL_READ_P(NODE) \
(TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_read_flag)
/* In VAR_DECL or RESULT_DECL, set when significant code movement precludes
attempting to share the stack slot with some other variable. */
#define DECL_NONSHAREABLE(NODE) \
(TREE_CHECK2 (NODE, VAR_DECL, \
RESULT_DECL)->decl_common.decl_nonshareable_flag)
/* In a CALL_EXPR, means that the call is the jump from a thunk to the
thunked-to function. */
#define CALL_FROM_THUNK_P(NODE) (CALL_EXPR_CHECK (NODE)->base.protected_flag)
/* In a CALL_EXPR, if the function being called is BUILT_IN_ALLOCA, means that
it has been built for the declaration of a variable-sized object. */
#define CALL_ALLOCA_FOR_VAR_P(NODE) \
(CALL_EXPR_CHECK (NODE)->base.protected_flag)
/* In a type, nonzero means that all objects of the type are guaranteed by the
language or front-end to be properly aligned, so we can indicate that a MEM
of this type is aligned at least to the alignment of the type, even if it
doesn't appear that it is. We see this, for example, in object-oriented
languages where a tag field may show this is an object of a more-aligned
variant of the more generic type.
In an SSA_NAME node, nonzero if the SSA_NAME node is on the SSA_NAME
freelist. */
#define TYPE_ALIGN_OK(NODE) (TYPE_CHECK (NODE)->base.nothrow_flag)
/* Used in classes in C++. */
#define TREE_PRIVATE(NODE) ((NODE)->base.private_flag)
/* Used in classes in C++. */
#define TREE_PROTECTED(NODE) ((NODE)->base.protected_flag)
/* True if reference type NODE is a C++ rvalue reference. */
#define TYPE_REF_IS_RVALUE(NODE) \
(REFERENCE_TYPE_CHECK (NODE)->base.private_flag)
/* Nonzero in a _DECL if the use of the name is defined as a
deprecated feature by __attribute__((deprecated)). */
#define TREE_DEPRECATED(NODE) \
((NODE)->base.deprecated_flag)
/* Nonzero in an IDENTIFIER_NODE if the name is a local alias, whose
uses are to be substituted for uses of the TREE_CHAINed identifier. */
#define IDENTIFIER_TRANSPARENT_ALIAS(NODE) \
(IDENTIFIER_NODE_CHECK (NODE)->base.deprecated_flag)
/* In fixed-point types, means a saturating type. */
#define TYPE_SATURATING(NODE) (TYPE_CHECK (NODE)->base.u.bits.saturating_flag)
/* These flags are available for each language front end to use internally. */
#define TREE_LANG_FLAG_0(NODE) \
(TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_0)
#define TREE_LANG_FLAG_1(NODE) \
(TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_1)
#define TREE_LANG_FLAG_2(NODE) \
(TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_2)
#define TREE_LANG_FLAG_3(NODE) \
(TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_3)
#define TREE_LANG_FLAG_4(NODE) \
(TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_4)
#define TREE_LANG_FLAG_5(NODE) \
(TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_5)
#define TREE_LANG_FLAG_6(NODE) \
(TREE_NOT_CHECK2 (NODE, TREE_VEC, SSA_NAME)->base.u.bits.lang_flag_6)
/* Define additional fields and accessors for nodes representing constants. */
/* In an INTEGER_CST node. These two together make a 2-word integer.
If the data type is signed, the value is sign-extended to 2 words
even though not all of them may really be in use.
In an unsigned constant shorter than 2 words, the extra bits are 0. */
#define TREE_INT_CST(NODE) (INTEGER_CST_CHECK (NODE)->int_cst.int_cst)
#define TREE_INT_CST_LOW(NODE) (TREE_INT_CST (NODE).low)
#define TREE_INT_CST_HIGH(NODE) (TREE_INT_CST (NODE).high)
#define INT_CST_LT(A, B) \
(TREE_INT_CST_HIGH (A) < TREE_INT_CST_HIGH (B) \
|| (TREE_INT_CST_HIGH (A) == TREE_INT_CST_HIGH (B) \
&& TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
#define INT_CST_LT_UNSIGNED(A, B) \
(((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
< (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
|| (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
== (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
&& TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
#define TREE_REAL_CST_PTR(NODE) (REAL_CST_CHECK (NODE)->real_cst.real_cst_ptr)
#define TREE_REAL_CST(NODE) (*TREE_REAL_CST_PTR (NODE))
#define TREE_FIXED_CST_PTR(NODE) \
(FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
#define TREE_FIXED_CST(NODE) (*TREE_FIXED_CST_PTR (NODE))
/* In a STRING_CST */
/* In C terms, this is sizeof, not strlen. */
#define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
#define TREE_STRING_POINTER(NODE) \
((const char *)(STRING_CST_CHECK (NODE)->string.str))
/* In a COMPLEX_CST node. */
#define TREE_REALPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.real)
#define TREE_IMAGPART(NODE) (COMPLEX_CST_CHECK (NODE)->complex.imag)
/* In a VECTOR_CST node. */
#define VECTOR_CST_NELTS(NODE) (TYPE_VECTOR_SUBPARTS (TREE_TYPE (NODE)))
#define VECTOR_CST_ELTS(NODE) (VECTOR_CST_CHECK (NODE)->vector.elts)
#define VECTOR_CST_ELT(NODE,IDX) (VECTOR_CST_CHECK (NODE)->vector.elts[IDX])
/* Define fields and accessors for some special-purpose tree nodes. */
#define IDENTIFIER_LENGTH(NODE) \
(IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len)
#define IDENTIFIER_POINTER(NODE) \
((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str)
#define IDENTIFIER_HASH_VALUE(NODE) \
(IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value)
/* Translate a hash table identifier pointer to a tree_identifier
pointer, and vice versa. */
#define HT_IDENT_TO_GCC_IDENT(NODE) \
((tree) ((char *) (NODE) - sizeof (struct tree_common)))
#define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
/* In a TREE_LIST node. */
#define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
#define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
/* In a TREE_VEC node. */
#define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->base.u.length)
#define TREE_VEC_END(NODE) \
((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->vec.base.u.length]))
#define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
/* In a CONSTRUCTOR node. */
#define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
#define CONSTRUCTOR_ELT(NODE,IDX) \
(&(*CONSTRUCTOR_ELTS (NODE))[IDX])
#define CONSTRUCTOR_NELTS(NODE) \
(vec_safe_length (CONSTRUCTOR_ELTS (NODE)))
#define CONSTRUCTOR_NO_CLEARING(NODE) \
(CONSTRUCTOR_CHECK (NODE)->base.public_flag)
/* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding the
value of each element (stored within VAL). IX must be a scratch variable
of unsigned integer type. */
#define FOR_EACH_CONSTRUCTOR_VALUE(V, IX, VAL) \
for (IX = 0; (IX >= vec_safe_length (V)) \
? false \
: ((VAL = (*(V))[IX].value), \
true); \
(IX)++)
/* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding both
the value of each element (stored within VAL) and its index (stored
within INDEX). IX must be a scratch variable of unsigned integer type. */
#define FOR_EACH_CONSTRUCTOR_ELT(V, IX, INDEX, VAL) \
for (IX = 0; (IX >= vec_safe_length (V)) \
? false \
: (((void) (VAL = (*V)[IX].value)), \
(INDEX = (*V)[IX].index), \
true); \
(IX)++)
/* Append a new constructor element to V, with the specified INDEX and VAL. */
#define CONSTRUCTOR_APPEND_ELT(V, INDEX, VALUE) \
do { \
constructor_elt _ce___ = {INDEX, VALUE}; \
vec_safe_push ((V), _ce___); \
} while (0)
/* True if NODE, a FIELD_DECL, is to be processed as a bitfield for
constructor output purposes. */
#define CONSTRUCTOR_BITFIELD_P(NODE) \
(DECL_BIT_FIELD (FIELD_DECL_CHECK (NODE)) && DECL_MODE (NODE) != BLKmode)
/* True if NODE is a clobber right hand side, an expression of indeterminate
value that clobbers the LHS in a copy instruction. We use a volatile
empty CONSTRUCTOR for this, as it matches most of the necessary semantic.
In particular the volatile flag causes us to not prematurely remove
such clobber instructions. */
#define TREE_CLOBBER_P(NODE) \
(TREE_CODE (NODE) == CONSTRUCTOR && TREE_THIS_VOLATILE (NODE))
/* Define fields and accessors for some nodes that represent expressions. */
/* Nonzero if NODE is an empty statement (NOP_EXPR <0>). */
#define IS_EMPTY_STMT(NODE) (TREE_CODE (NODE) == NOP_EXPR \
&& VOID_TYPE_P (TREE_TYPE (NODE)) \
&& integer_zerop (TREE_OPERAND (NODE, 0)))
/* In ordinary expression nodes. */
#define TREE_OPERAND_LENGTH(NODE) tree_operand_length (NODE)
#define TREE_OPERAND(NODE, I) TREE_OPERAND_CHECK (NODE, I)
/* In a tcc_vl_exp node, operand 0 is an INT_CST node holding the operand
length. Its value includes the length operand itself; that is,
the minimum valid length is 1.
Note that we have to bypass the use of TREE_OPERAND to access
that field to avoid infinite recursion in expanding the macros. */
#define VL_EXP_OPERAND_LENGTH(NODE) \
((int)TREE_INT_CST_LOW (VL_EXP_CHECK (NODE)->exp.operands[0]))
/* Nonzero if is_gimple_debug() may possibly hold. */
#define MAY_HAVE_DEBUG_STMTS (flag_var_tracking_assignments)
/* In a LOOP_EXPR node. */
#define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
/* The source location of this expression. Non-tree_exp nodes such as
decls and constants can be shared among multiple locations, so
return nothing. */
#define EXPR_LOCATION(NODE) \
(CAN_HAVE_LOCATION_P ((NODE)) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
#define SET_EXPR_LOCATION(NODE, LOCUS) EXPR_CHECK ((NODE))->exp.locus = (LOCUS)
#define EXPR_HAS_LOCATION(NODE) (LOCATION_LOCUS (EXPR_LOCATION (NODE)) \
!= UNKNOWN_LOCATION)
/* The location to be used in a diagnostic about this expression. Do not
use this macro if the location will be assigned to other expressions. */
#define EXPR_LOC_OR_LOC(NODE, LOCUS) (EXPR_HAS_LOCATION (NODE) \
? (NODE)->exp.locus : (LOCUS))
#define EXPR_FILENAME(NODE) LOCATION_FILE (EXPR_CHECK ((NODE))->exp.locus)
#define EXPR_LINENO(NODE) LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
/* True if a tree is an expression or statement that can have a
location. */
#define CAN_HAVE_LOCATION_P(NODE) ((NODE) && EXPR_P (NODE))
extern void protected_set_expr_location (tree, location_t);
/* In a TARGET_EXPR node. */
#define TARGET_EXPR_SLOT(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 0)
#define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 1)
#define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 2)
/* DECL_EXPR accessor. This gives access to the DECL associated with
the given declaration statement. */
#define DECL_EXPR_DECL(NODE) TREE_OPERAND (DECL_EXPR_CHECK (NODE), 0)
#define EXIT_EXPR_COND(NODE) TREE_OPERAND (EXIT_EXPR_CHECK (NODE), 0)
/* COMPOUND_LITERAL_EXPR accessors. */
#define COMPOUND_LITERAL_EXPR_DECL_EXPR(NODE) \
TREE_OPERAND (COMPOUND_LITERAL_EXPR_CHECK (NODE), 0)
#define COMPOUND_LITERAL_EXPR_DECL(NODE) \
DECL_EXPR_DECL (COMPOUND_LITERAL_EXPR_DECL_EXPR (NODE))
/* SWITCH_EXPR accessors. These give access to the condition, body and
original condition type (before any compiler conversions)
of the switch statement, respectively. */
#define SWITCH_COND(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 0)
#define SWITCH_BODY(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 1)
#define SWITCH_LABELS(NODE) TREE_OPERAND (SWITCH_EXPR_CHECK (NODE), 2)
/* CASE_LABEL_EXPR accessors. These give access to the high and low values
of a case label, respectively. */
#define CASE_LOW(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 0)
#define CASE_HIGH(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 1)
#define CASE_LABEL(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 2)
#define CASE_CHAIN(NODE) TREE_OPERAND (CASE_LABEL_EXPR_CHECK (NODE), 3)
/* The operands of a TARGET_MEM_REF. Operands 0 and 1 have to match
corresponding MEM_REF operands. */
#define TMR_BASE(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 0))
#define TMR_OFFSET(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 1))
#define TMR_INDEX(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 2))
#define TMR_STEP(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 3))
#define TMR_INDEX2(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 4))
/* The operands of a BIND_EXPR. */
#define BIND_EXPR_VARS(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 0))
#define BIND_EXPR_BODY(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 1))
#define BIND_EXPR_BLOCK(NODE) (TREE_OPERAND (BIND_EXPR_CHECK (NODE), 2))
/* GOTO_EXPR accessor. This gives access to the label associated with
a goto statement. */
#define GOTO_DESTINATION(NODE) TREE_OPERAND ((NODE), 0)
/* ASM_EXPR accessors. ASM_STRING returns a STRING_CST for the
instruction (e.g., "mov x, y"). ASM_OUTPUTS, ASM_INPUTS, and
ASM_CLOBBERS represent the outputs, inputs, and clobbers for the
statement. */
#define ASM_STRING(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 0)
#define ASM_OUTPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 1)
#define ASM_INPUTS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 2)
#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
#define ASM_LABELS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 4)
/* Nonzero if we want to create an ASM_INPUT instead of an
ASM_OPERAND with no operands. */
#define ASM_INPUT_P(NODE) (ASM_EXPR_CHECK (NODE)->base.static_flag)
#define ASM_VOLATILE_P(NODE) (ASM_EXPR_CHECK (NODE)->base.public_flag)
/* COND_EXPR accessors. */
#define COND_EXPR_COND(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 0))
#define COND_EXPR_THEN(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 1))
#define COND_EXPR_ELSE(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 2))
/* Accessors for the chains of recurrences. */
#define CHREC_VAR(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 0)
#define CHREC_LEFT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 1)
#define CHREC_RIGHT(NODE) TREE_OPERAND (POLYNOMIAL_CHREC_CHECK (NODE), 2)
#define CHREC_VARIABLE(NODE) TREE_INT_CST_LOW (CHREC_VAR (NODE))
/* LABEL_EXPR accessor. This gives access to the label associated with
the given label expression. */
#define LABEL_EXPR_LABEL(NODE) TREE_OPERAND (LABEL_EXPR_CHECK (NODE), 0)
/* CATCH_EXPR accessors. */
#define CATCH_TYPES(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 0)
#define CATCH_BODY(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 1)
/* EH_FILTER_EXPR accessors. */
#define EH_FILTER_TYPES(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 0)
#define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
/* OBJ_TYPE_REF accessors. */
#define OBJ_TYPE_REF_EXPR(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 0)
#define OBJ_TYPE_REF_OBJECT(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 1)
#define OBJ_TYPE_REF_TOKEN(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 2)
/* ASSERT_EXPR accessors. */
#define ASSERT_EXPR_VAR(NODE) TREE_OPERAND (ASSERT_EXPR_CHECK (NODE), 0)
#define ASSERT_EXPR_COND(NODE) TREE_OPERAND (ASSERT_EXPR_CHECK (NODE), 1)
/* CALL_EXPR accessors.
*/
#define CALL_EXPR_FN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 1)
#define CALL_EXPR_STATIC_CHAIN(NODE) TREE_OPERAND (CALL_EXPR_CHECK (NODE), 2)
#define CALL_EXPR_ARG(NODE, I) TREE_OPERAND (CALL_EXPR_CHECK (NODE), (I) + 3)
#define call_expr_nargs(NODE) (VL_EXP_OPERAND_LENGTH (NODE) - 3)
/* CALL_EXPR_ARGP returns a pointer to the argument vector for NODE.
We can't use &CALL_EXPR_ARG (NODE, 0) because that will complain if
the argument count is zero when checking is enabled. Instead, do
the pointer arithmetic to advance past the 3 fixed operands in a
CALL_EXPR. That produces a valid pointer to just past the end of the
operand array, even if it's not valid to dereference it. */
#define CALL_EXPR_ARGP(NODE) \
(&(TREE_OPERAND (CALL_EXPR_CHECK (NODE), 0)) + 3)
/* TM directives and accessors. */
#define TRANSACTION_EXPR_BODY(NODE) \
TREE_OPERAND (TRANSACTION_EXPR_CHECK (NODE), 0)
#define TRANSACTION_EXPR_OUTER(NODE) \
(TRANSACTION_EXPR_CHECK (NODE)->base.static_flag)
#define TRANSACTION_EXPR_RELAXED(NODE) \
(TRANSACTION_EXPR_CHECK (NODE)->base.public_flag)
/* OpenMP directive and clause accessors. */
#define OMP_BODY(NODE) \
TREE_OPERAND (TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_CRITICAL), 0)
#define OMP_CLAUSES(NODE) \
TREE_OPERAND (TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_SINGLE), 1)
#define OMP_PARALLEL_BODY(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 0)
#define OMP_PARALLEL_CLAUSES(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 1)
#define OMP_TASK_BODY(NODE) TREE_OPERAND (OMP_TASK_CHECK (NODE), 0)
#define OMP_TASK_CLAUSES(NODE) TREE_OPERAND (OMP_TASK_CHECK (NODE), 1)
#define OMP_TASKREG_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_TASK)
#define OMP_TASKREG_BODY(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 0)
#define OMP_TASKREG_CLAUSES(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 1)
#define OMP_LOOP_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_FOR, OMP_DISTRIBUTE)
#define OMP_FOR_BODY(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 0)
#define OMP_FOR_CLAUSES(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 1)
#define OMP_FOR_INIT(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 2)
#define OMP_FOR_COND(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 3)
#define OMP_FOR_INCR(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 4)
#define OMP_FOR_PRE_BODY(NODE) TREE_OPERAND (OMP_LOOP_CHECK (NODE), 5)
#define OMP_SECTIONS_BODY(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 0)
#define OMP_SECTIONS_CLAUSES(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 1)
#define OMP_SECTION_BODY(NODE) TREE_OPERAND (OMP_SECTION_CHECK (NODE), 0)
#define OMP_SINGLE_BODY(NODE) TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 0)
#define OMP_SINGLE_CLAUSES(NODE) TREE_OPERAND (OMP_SINGLE_CHECK (NODE), 1)
#define OMP_MASTER_BODY(NODE) TREE_OPERAND (OMP_MASTER_CHECK (NODE), 0)
#define OMP_TASKGROUP_BODY(NODE) TREE_OPERAND (OMP_TASKGROUP_CHECK (NODE), 0)
#define OMP_ORDERED_BODY(NODE) TREE_OPERAND (OMP_ORDERED_CHECK (NODE), 0)
#define OMP_CRITICAL_BODY(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 0)
#define OMP_CRITICAL_NAME(NODE) TREE_OPERAND (OMP_CRITICAL_CHECK (NODE), 1)
#define OMP_TEAMS_BODY(NODE) TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 0)
#define OMP_TEAMS_CLAUSES(NODE) TREE_OPERAND (OMP_TEAMS_CHECK (NODE), 1)
#define OMP_TARGET_DATA_BODY(NODE) \
TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 0)
#define OMP_TARGET_DATA_CLAUSES(NODE)\
TREE_OPERAND (OMP_TARGET_DATA_CHECK (NODE), 1)
#define OMP_TARGET_BODY(NODE) TREE_OPERAND (OMP_TARGET_CHECK (NODE), 0)
#define OMP_TARGET_CLAUSES(NODE) TREE_OPERAND (OMP_TARGET_CHECK (NODE), 1)
#define OMP_TARGET_UPDATE_CLAUSES(NODE)\
TREE_OPERAND (OMP_TARGET_UPDATE_CHECK (NODE), 0)
#define OMP_CLAUSE_SIZE(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE), \
OMP_CLAUSE_FROM, \
OMP_CLAUSE_MAP), 1)
#define OMP_CLAUSE_CHAIN(NODE) TREE_CHAIN (OMP_CLAUSE_CHECK (NODE))
#define OMP_CLAUSE_DECL(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_RANGE_CHECK (OMP_CLAUSE_CHECK (NODE), \
OMP_CLAUSE_PRIVATE, \
OMP_CLAUSE__LOOPTEMP_), 0)
#define OMP_CLAUSE_HAS_LOCATION(NODE) \
(LOCATION_LOCUS ((OMP_CLAUSE_CHECK (NODE))->omp_clause.locus) \
!= UNKNOWN_LOCATION)
#define OMP_CLAUSE_LOCATION(NODE) (OMP_CLAUSE_CHECK (NODE))->omp_clause.locus
/* True on an OMP_SECTION statement that was the last lexical member.
This status is meaningful in the implementation of lastprivate. */
#define OMP_SECTION_LAST(NODE) \
(OMP_SECTION_CHECK (NODE)->base.private_flag)
/* True on an OMP_PARALLEL statement if it represents an explicit
combined parallel work-sharing constructs. */
#define OMP_PARALLEL_COMBINED(NODE) \
(OMP_PARALLEL_CHECK (NODE)->base.private_flag)
/* True if OMP_ATOMIC* is supposed to be sequentially consistent
as opposed to relaxed. */
#define OMP_ATOMIC_SEQ_CST(NODE) \
(TREE_RANGE_CHECK (NODE, OMP_ATOMIC, \
OMP_ATOMIC_CAPTURE_NEW)->base.private_flag)
/* True on a PRIVATE clause if its decl is kept around for debugging
information only and its DECL_VALUE_EXPR is supposed to point
to what it has been remapped to. */
#define OMP_CLAUSE_PRIVATE_DEBUG(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE)->base.public_flag)
/* True on a PRIVATE clause if ctor needs access to outer region's
variable. */
#define OMP_CLAUSE_PRIVATE_OUTER_REF(NODE) \
TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
/* True on a LASTPRIVATE clause if a FIRSTPRIVATE clause for the same
decl is present in the chain. */
#define OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE)->base.public_flag)
#define OMP_CLAUSE_LASTPRIVATE_STMT(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
OMP_CLAUSE_LASTPRIVATE),\
1)
#define OMP_CLAUSE_LASTPRIVATE_GIMPLE_SEQ(NODE) \
(OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
#define OMP_CLAUSE_FINAL_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_FINAL), 0)
#define OMP_CLAUSE_IF_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF), 0)
#define OMP_CLAUSE_NUM_THREADS_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_THREADS),0)
#define OMP_CLAUSE_SCHEDULE_CHUNK_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE), 0)
#define OMP_CLAUSE_DEPEND_KIND(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEPEND)->omp_clause.subcode.depend_kind)
#define OMP_CLAUSE_MAP_KIND(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->omp_clause.subcode.map_kind)
/* Nonzero if this map clause is for array (rather than pointer) based array
section with zero bias. Both the non-decl OMP_CLAUSE_MAP and
correspoidng OMP_CLAUSE_MAP_POINTER clause are marked with this flag. */
#define OMP_CLAUSE_MAP_ZERO_BIAS_ARRAY_SECTION(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_MAP)->base.public_flag)
#define OMP_CLAUSE_PROC_BIND_KIND(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PROC_BIND)->omp_clause.subcode.proc_bind_kind)
#define OMP_CLAUSE_COLLAPSE_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 0)
#define OMP_CLAUSE_COLLAPSE_ITERVAR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 1)
#define OMP_CLAUSE_COLLAPSE_COUNT(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 2)
#define OMP_CLAUSE_REDUCTION_CODE(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION)->omp_clause.subcode.reduction_code)
#define OMP_CLAUSE_REDUCTION_INIT(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 1)
#define OMP_CLAUSE_REDUCTION_MERGE(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 2)
#define OMP_CLAUSE_REDUCTION_GIMPLE_INIT(NODE) \
(OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
#define OMP_CLAUSE_REDUCTION_GIMPLE_MERGE(NODE) \
(OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_merge
#define OMP_CLAUSE_REDUCTION_PLACEHOLDER(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 3)
/* True if a REDUCTION clause may reference the original list item (omp_orig)
in its OMP_CLAUSE_REDUCTION_{,GIMPLE_}INIT. */
#define OMP_CLAUSE_REDUCTION_OMP_ORIG_REF(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION)->base.public_flag)
/* True if a LINEAR clause doesn't need copy in. True for iterator vars which
are always initialized inside of the loop construct, false otherwise. */
#define OMP_CLAUSE_LINEAR_NO_COPYIN(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.public_flag)
/* True if a LINEAR clause doesn't need copy out. True for iterator vars which
are declared inside of the simd construct. */
#define OMP_CLAUSE_LINEAR_NO_COPYOUT(NODE) \
TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
/* True if a LINEAR clause has a stride that is variable. */
#define OMP_CLAUSE_LINEAR_VARIABLE_STRIDE(NODE) \
TREE_PROTECTED (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR))
/* True if a LINEAR clause is for an array or allocatable variable that
needs special handling by the frontend. */
#define OMP_CLAUSE_LINEAR_ARRAY(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR)->base.deprecated_flag)
#define OMP_CLAUSE_LINEAR_STEP(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 1)
#define OMP_CLAUSE_LINEAR_STMT(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LINEAR), 2)
#define OMP_CLAUSE_LINEAR_GIMPLE_SEQ(NODE) \
(OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
#define OMP_CLAUSE_ALIGNED_ALIGNMENT(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_ALIGNED), 1)
#define OMP_CLAUSE_NUM_TEAMS_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_NUM_TEAMS), 0)
#define OMP_CLAUSE_THREAD_LIMIT_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
OMP_CLAUSE_THREAD_LIMIT), 0)
#define OMP_CLAUSE_DEVICE_ID(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEVICE), 0)
#define OMP_CLAUSE_DIST_SCHEDULE_CHUNK_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
OMP_CLAUSE_DIST_SCHEDULE), 0)
#define OMP_CLAUSE_SAFELEN_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SAFELEN), 0)
#define OMP_CLAUSE_SIMDLEN_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SIMDLEN), 0)
#define OMP_CLAUSE__SIMDUID__DECL(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE__SIMDUID_), 0)
#define OMP_CLAUSE_SCHEDULE_KIND(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->omp_clause.subcode.schedule_kind)
#define OMP_CLAUSE_DEFAULT_KIND(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULT)->omp_clause.subcode.default_kind)
/* SSA_NAME accessors. */
/* Returns the IDENTIFIER_NODE giving the SSA name a name or NULL_TREE
if there is no name associated with it. */
#define SSA_NAME_IDENTIFIER(NODE) \
(SSA_NAME_CHECK (NODE)->ssa_name.var != NULL_TREE \
? (TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE \
? (NODE)->ssa_name.var \
: DECL_NAME ((NODE)->ssa_name.var)) \
: NULL_TREE)
/* Returns the variable being referenced. This can be NULL_TREE for
temporaries not associated with any user variable.
Once released, this is the only field that can be relied upon. */
#define SSA_NAME_VAR(NODE) \
(SSA_NAME_CHECK (NODE)->ssa_name.var == NULL_TREE \
|| TREE_CODE ((NODE)->ssa_name.var) == IDENTIFIER_NODE \
? NULL_TREE : (NODE)->ssa_name.var)
#define SET_SSA_NAME_VAR_OR_IDENTIFIER(NODE,VAR) \
do { SSA_NAME_CHECK (NODE)->ssa_name.var = (VAR); } while (0)
/* Returns the statement which defines this SSA name. */
#define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->ssa_name.def_stmt
/* Returns the SSA version number of this SSA name. Note that in
tree SSA, version numbers are not per variable and may be recycled. */
#define SSA_NAME_VERSION(NODE) SSA_NAME_CHECK (NODE)->base.u.version
/* Nonzero if this SSA name occurs in an abnormal PHI. SSA_NAMES are
never output, so we can safely use the ASM_WRITTEN_FLAG for this
status bit. */
#define SSA_NAME_OCCURS_IN_ABNORMAL_PHI(NODE) \
SSA_NAME_CHECK (NODE)->base.asm_written_flag
/* Nonzero if this SSA_NAME expression is currently on the free list of
SSA_NAMES. Using NOTHROW_FLAG seems reasonably safe since throwing
has no meaning for an SSA_NAME. */
#define SSA_NAME_IN_FREE_LIST(NODE) \
SSA_NAME_CHECK (NODE)->base.nothrow_flag
/* Nonzero if this SSA_NAME is the default definition for the
underlying symbol. A default SSA name is created for symbol S if
the very first reference to S in the function is a read operation.
Default definitions are always created by an empty statement and
belong to no basic block. */
#define SSA_NAME_IS_DEFAULT_DEF(NODE) \
SSA_NAME_CHECK (NODE)->base.default_def_flag
/* Attributes for SSA_NAMEs for pointer-type variables. */
#define SSA_NAME_PTR_INFO(N) \
SSA_NAME_CHECK (N)->ssa_name.info.ptr_info
/* True if SSA_NAME_RANGE_INFO describes an anti-range. */
#define SSA_NAME_ANTI_RANGE_P(N) \
SSA_NAME_CHECK (N)->base.static_flag
/* The type of range described by SSA_NAME_RANGE_INFO. */
#define SSA_NAME_RANGE_TYPE(N) \
(SSA_NAME_ANTI_RANGE_P (N) ? VR_ANTI_RANGE : VR_RANGE)
/* Value range info attributes for SSA_NAMEs of non pointer-type variables. */
#define SSA_NAME_RANGE_INFO(N) \
SSA_NAME_CHECK (N)->ssa_name.info.range_info
/* Return the immediate_use information for an SSA_NAME. */
#define SSA_NAME_IMM_USE_NODE(NODE) SSA_NAME_CHECK (NODE)->ssa_name.imm_uses
#define OMP_CLAUSE_CODE(NODE) \
(OMP_CLAUSE_CHECK (NODE))->omp_clause.code
#define OMP_CLAUSE_SET_CODE(NODE, CODE) \
((OMP_CLAUSE_CHECK (NODE))->omp_clause.code = (CODE))
#define OMP_CLAUSE_OPERAND(NODE, I) \
OMP_CLAUSE_ELT_CHECK (NODE, I)
/* In a BLOCK node. */
#define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
#define BLOCK_NONLOCALIZED_VARS(NODE) \
(BLOCK_CHECK (NODE)->block.nonlocalized_vars)
#define BLOCK_NUM_NONLOCALIZED_VARS(NODE) \
vec_safe_length (BLOCK_NONLOCALIZED_VARS (NODE))
#define BLOCK_NONLOCALIZED_VAR(NODE,N) (*BLOCK_NONLOCALIZED_VARS (NODE))[N]
#define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
#define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
#define BLOCK_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.chain)
#define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
#define BLOCK_ABSTRACT(NODE) (BLOCK_CHECK (NODE)->block.abstract_flag)
/* True if BLOCK has the same ranges as its BLOCK_SUPERCONTEXT. */
#define BLOCK_SAME_RANGE(NODE) (BLOCK_CHECK (NODE)->base.u.bits.nameless_flag)
/* An index number for this block. These values are not guaranteed to
be unique across functions -- whether or not they are depends on
the debugging output format in use. */
#define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
/* If block reordering splits a lexical block into discontiguous
address ranges, we'll make a copy of the original block.
Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN.
In that case, we have one source block that has been replicated
(through inlining or unrolling) into many logical blocks, and that
these logical blocks have different physical variables in them.
In this case, we have one logical block split into several
non-contiguous address ranges. Most debug formats can't actually
represent this idea directly, so we fake it by creating multiple
logical blocks with the same variables in them. However, for those
that do support non-contiguous regions, these allow the original
logical block to be reconstructed, along with the set of address
ranges.
One of the logical block fragments is arbitrarily chosen to be
the ORIGIN. The other fragments will point to the origin via
BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer
be null. The list of fragments will be chained through
BLOCK_FRAGMENT_CHAIN from the origin. */
#define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin)
#define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain)
/* For an inlined function, this gives the location where it was called
from. This is only set in the top level block, which corresponds to the
inlined function scope. This is used in the debug output routines. */
#define BLOCK_SOURCE_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.locus)
/* Define fields and accessors for nodes representing data types. */
/* See tree.def for documentation of the use of these fields.
Look at the documentation of the various ..._TYPE tree codes.
Note that the type.values, type.minval, and type.maxval fields are
overloaded and used for different macros in different kinds of types.
Each macro must check to ensure the tree node is of the proper kind of
type. Note also that some of the front-ends also overload these fields,
so they must be checked as well. */
#define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type_common.uid)
#define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type_common.size)
#define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type_common.size_unit)
#define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type_common.pointer_to)
#define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type_common.reference_to)
#define TYPE_PRECISION(NODE) (TYPE_CHECK (NODE)->type_common.precision)
#define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type_common.name)
#define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.next_variant)
#define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type_common.main_variant)
#define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type_common.context)
#define TYPE_MODE(NODE) \
(VECTOR_TYPE_P (TYPE_CHECK (NODE)) \
? vector_type_mode (NODE) : (NODE)->type_common.mode)
#define SET_TYPE_MODE(NODE, MODE) \
(TYPE_CHECK (NODE)->type_common.mode = (MODE))
/* The "canonical" type for this type node, which is used by frontends to
compare the type for equality with another type. If two types are
equal (based on the semantics of the language), then they will have
equivalent TYPE_CANONICAL entries.
As a special case, if TYPE_CANONICAL is NULL_TREE, and thus
TYPE_STRUCTURAL_EQUALITY_P is true, then it cannot
be used for comparison against other types. Instead, the type is
said to require structural equality checks, described in
TYPE_STRUCTURAL_EQUALITY_P.
For unqualified aggregate and function types the middle-end relies on
TYPE_CANONICAL to tell whether two variables can be assigned
to each other without a conversion. The middle-end also makes sure
to assign the same alias-sets to the type partition with equal
TYPE_CANONICAL of their unqualified variants. */
#define TYPE_CANONICAL(NODE) (TYPE_CHECK (NODE)->type_common.canonical)
/* Indicates that the type node requires structural equality
checks. The compiler will need to look at the composition of the
type to determine whether it is equal to another type, rather than
just comparing canonical type pointers. For instance, we would need
to look at the return and parameter types of a FUNCTION_TYPE
node. */
#define TYPE_STRUCTURAL_EQUALITY_P(NODE) (TYPE_CANONICAL (NODE) == NULL_TREE)
/* Sets the TYPE_CANONICAL field to NULL_TREE, indicating that the
type node requires structural equality. */
#define SET_TYPE_STRUCTURAL_EQUALITY(NODE) (TYPE_CANONICAL (NODE) = NULL_TREE)
#define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
#define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
/* The (language-specific) typed-based alias set for this type.
Objects whose TYPE_ALIAS_SETs are different cannot alias each
other. If the TYPE_ALIAS_SET is -1, no alias set has yet been
assigned to this type. If the TYPE_ALIAS_SET is 0, objects of this
type can alias objects of any type. */
#define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type_common.alias_set)
/* Nonzero iff the typed-based alias set for this type has been
calculated. */
#define TYPE_ALIAS_SET_KNOWN_P(NODE) \
(TYPE_CHECK (NODE)->type_common.alias_set != -1)
/* A TREE_LIST of IDENTIFIER nodes of the attributes that apply
to this type. */
#define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type_common.attributes)
/* The alignment necessary for objects of this type.
The value is an int, measured in bits. */
#define TYPE_ALIGN(NODE) (TYPE_CHECK (NODE)->type_common.align)
/* 1 if the alignment for this type was requested by "aligned" attribute,
0 if it is the default for this type. */
#define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->base.u.bits.user_align)
/* The alignment for NODE, in bytes. */
#define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
/* If your language allows you to declare types, and you want debug info
for them, then you need to generate corresponding TYPE_DECL nodes.
These "stub" TYPE_DECL nodes have no name, and simply point at the
type node. You then set the TYPE_STUB_DECL field of the type node
to point back at the TYPE_DECL node. This allows the debug routines
to know that the two nodes represent the same type, so that we only
get one debug info record for them. */
#define TYPE_STUB_DECL(NODE) (TREE_CHAIN (TYPE_CHECK (NODE)))
/* In a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ARRAY_TYPE, it means
the type has BLKmode only because it lacks the alignment required for
its size. */
#define TYPE_NO_FORCE_BLK(NODE) \
(TYPE_CHECK (NODE)->type_common.no_force_blk_flag)
/* Nonzero in a type considered volatile as a whole. */
#define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->base.volatile_flag)
/* Nonzero in a type considered atomic as a whole. */
#define TYPE_ATOMIC(NODE) (TYPE_CHECK (NODE)->base.u.bits.atomic_flag)
/* Means this type is const-qualified. */
#define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->base.readonly_flag)
/* If nonzero, this type is `restrict'-qualified, in the C sense of
the term. */
#define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type_common.restrict_flag)
/* If nonzero, type's name shouldn't be emitted into debug info. */
#define TYPE_NAMELESS(NODE) (TYPE_CHECK (NODE)->base.u.bits.nameless_flag)
/* The address space the type is in. */
#define TYPE_ADDR_SPACE(NODE) (TYPE_CHECK (NODE)->base.u.bits.address_space)
/* Encode/decode the named memory support as part of the qualifier. If more
than 8 qualifiers are added, these macros need to be adjusted. */
#define ENCODE_QUAL_ADDR_SPACE(NUM) ((NUM & 0xFF) << 8)
#define DECODE_QUAL_ADDR_SPACE(X) (((X) >> 8) & 0xFF)
/* Return all qualifiers except for the address space qualifiers. */
#define CLEAR_QUAL_ADDR_SPACE(X) ((X) & ~0xFF00)
/* Only keep the address space out of the qualifiers and discard the other
qualifiers. */
#define KEEP_QUAL_ADDR_SPACE(X) ((X) & 0xFF00)
/* The set of type qualifiers for this type. */
#define TYPE_QUALS(NODE) \
((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
| (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
| (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC) \
| (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT) \
| (ENCODE_QUAL_ADDR_SPACE (TYPE_ADDR_SPACE (NODE)))))
/* The same as TYPE_QUALS without the address space qualifications. */
#define TYPE_QUALS_NO_ADDR_SPACE(NODE) \
((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
| (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
| (TYPE_ATOMIC (NODE) * TYPE_QUAL_ATOMIC) \
| (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
/* The same as TYPE_QUALS without the address space and atomic
qualifications. */
#define TYPE_QUALS_NO_ADDR_SPACE_NO_ATOMIC(NODE) \
((int) ((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
| (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
| (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT)))
/* These flags are available for each language front end to use internally. */
#define TYPE_LANG_FLAG_0(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_0)
#define TYPE_LANG_FLAG_1(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_1)
#define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_2)
#define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_3)
#define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_4)
#define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_5)
#define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type_common.lang_flag_6)
/* Used to keep track of visited nodes in tree traversals. This is set to
0 by copy_node and make_node. */
#define TREE_VISITED(NODE) ((NODE)->base.visited)
/* If set in an ARRAY_TYPE, indicates a string type (for languages
that distinguish string from array of char).
If set in a INTEGER_TYPE, indicates a character type. */
#define TYPE_STRING_FLAG(NODE) (TYPE_CHECK (NODE)->type_common.string_flag)
/* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */
#define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \
(((unsigned HOST_WIDE_INT) 1) \
<< VECTOR_TYPE_CHECK (VECTOR_TYPE)->type_common.precision)
/* Set precision to n when we have 2^n sub-parts of the vector. */
#define SET_TYPE_VECTOR_SUBPARTS(VECTOR_TYPE, X) \
(VECTOR_TYPE_CHECK (VECTOR_TYPE)->type_common.precision = exact_log2 (X))
/* Nonzero in a VECTOR_TYPE if the frontends should not emit warnings
about missing conversions to other vector types of the same size. */
#define TYPE_VECTOR_OPAQUE(NODE) \
(VECTOR_TYPE_CHECK (NODE)->base.default_def_flag)
/* Indicates that objects of this type must be initialized by calling a
function when they are created. */
#define TYPE_NEEDS_CONSTRUCTING(NODE) \
(TYPE_CHECK (NODE)->type_common.needs_constructing_flag)
/* Indicates that a UNION_TYPE object should be passed the same way that
the first union alternative would be passed, or that a RECORD_TYPE
object should be passed the same way that the first (and only) member
would be passed. */
#define TYPE_TRANSPARENT_AGGR(NODE) \
(RECORD_OR_UNION_CHECK (NODE)->type_common.transparent_aggr_flag)
/* For an ARRAY_TYPE, indicates that it is not permitted to take the
address of a component of the type. This is the counterpart of
DECL_NONADDRESSABLE_P for arrays, see the definition of this flag. */
#define TYPE_NONALIASED_COMPONENT(NODE) \
(ARRAY_TYPE_CHECK (NODE)->type_common.transparent_aggr_flag)
/* Indicated that objects of this type should be laid out in as
compact a way as possible. */
#define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->base.u.bits.packed_flag)
/* Used by type_contains_placeholder_p to avoid recomputation.
Values are: 0 (unknown), 1 (false), 2 (true). Never access
this field directly. */
#define TYPE_CONTAINS_PLACEHOLDER_INTERNAL(NODE) \
(TYPE_CHECK (NODE)->type_common.contains_placeholder_bits)
/* Nonzero if RECORD_TYPE represents a final derivation of class. */
#define TYPE_FINAL_P(NODE) \
(RECORD_OR_UNION_CHECK (NODE)->base.default_def_flag)
/* The debug output functions use the symtab union field to store
information specific to the debugging format. The different debug
output hooks store different types in the union field. These three
macros are used to access different fields in the union. The debug
hooks are responsible for consistently using only a specific
macro. */
/* Symtab field as an integer. Used by stabs generator in dbxout.c to
hold the type's number in the generated stabs. */
#define TYPE_SYMTAB_ADDRESS(NODE) \
(TYPE_CHECK (NODE)->type_common.symtab.address)
/* Symtab field as a string. Used by COFF generator in sdbout.c to
hold struct/union type tag names. */
#define TYPE_SYMTAB_POINTER(NODE) \
(TYPE_CHECK (NODE)->type_common.symtab.pointer)
/* Symtab field as a pointer to a DWARF DIE. Used by DWARF generator
in dwarf2out.c to point to the DIE generated for the type. */
#define TYPE_SYMTAB_DIE(NODE) \
(TYPE_CHECK (NODE)->type_common.symtab.die)
/* The garbage collector needs to know the interpretation of the
symtab field. These constants represent the different types in the
union. */
#define TYPE_SYMTAB_IS_ADDRESS (0)
#define TYPE_SYMTAB_IS_POINTER (1)
#define TYPE_SYMTAB_IS_DIE (2)
#define TYPE_LANG_SPECIFIC(NODE) \
(TYPE_CHECK (NODE)->type_with_lang_specific.lang_specific)
#define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type_non_common.values)
#define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type_non_common.values)
#define TYPE_FIELDS(NODE) \
(RECORD_OR_UNION_CHECK (NODE)->type_non_common.values)
#define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
#define TYPE_ARG_TYPES(NODE) \
(FUNC_OR_METHOD_CHECK (NODE)->type_non_common.values)
#define TYPE_VALUES_RAW(NODE) (TYPE_CHECK (NODE)->type_non_common.values)
#define TYPE_METHODS(NODE) \
(RECORD_OR_UNION_CHECK (NODE)->type_non_common.maxval)
#define TYPE_VFIELD(NODE) \
(RECORD_OR_UNION_CHECK (NODE)->type_non_common.minval)
#define TYPE_METHOD_BASETYPE(NODE) \
(FUNC_OR_METHOD_CHECK (NODE)->type_non_common.maxval)
#define TYPE_OFFSET_BASETYPE(NODE) \
(OFFSET_TYPE_CHECK (NODE)->type_non_common.maxval)
#define TYPE_MAXVAL(NODE) (TYPE_CHECK (NODE)->type_non_common.maxval)
#define TYPE_MINVAL(NODE) (TYPE_CHECK (NODE)->type_non_common.minval)
#define TYPE_NEXT_PTR_TO(NODE) \
(POINTER_TYPE_CHECK (NODE)->type_non_common.minval)
#define TYPE_NEXT_REF_TO(NODE) \
(REFERENCE_TYPE_CHECK (NODE)->type_non_common.minval)
#define TYPE_MIN_VALUE(NODE) \
(NUMERICAL_TYPE_CHECK (NODE)->type_non_common.minval)
#define TYPE_MAX_VALUE(NODE) \
(NUMERICAL_TYPE_CHECK (NODE)->type_non_common.maxval)
/* If non-NULL, this is an upper bound of the size (in bytes) of an
object of the given ARRAY_TYPE_NON_COMMON. This allows temporaries to be
allocated. */
#define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \
(ARRAY_TYPE_CHECK (ARRAY_TYPE)->type_non_common.maxval)
/* For record and union types, information about this type, as a base type
for itself. */
#define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK (NODE)->type_non_common.binfo)
/* For non record and union types, used in a language-dependent way. */
#define TYPE_LANG_SLOT_1(NODE) \
(NOT_RECORD_OR_UNION_CHECK (NODE)->type_non_common.binfo)
/* Define accessor macros for information about type inheritance
and basetypes.
A "basetype" means a particular usage of a data type for inheritance
in another type. Each such basetype usage has its own "binfo"
object to describe it. The binfo object is a TREE_VEC node.
Inheritance is represented by the binfo nodes allocated for a
given type. For example, given types C and D, such that D is
inherited by C, 3 binfo nodes will be allocated: one for describing
the binfo properties of C, similarly one for D, and one for
describing the binfo properties of D as a base type for C.
Thus, given a pointer to class C, one can get a pointer to the binfo
of D acting as a basetype for C by looking at C's binfo's basetypes. */
/* BINFO specific flags. */
/* Nonzero means that the derivation chain is via a `virtual' declaration. */
#define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->base.static_flag)
/* Flags for language dependent use. */
#define BINFO_MARKED(NODE) TREE_LANG_FLAG_0 (TREE_BINFO_CHECK (NODE))
#define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1 (TREE_BINFO_CHECK (NODE))
#define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2 (TREE_BINFO_CHECK (NODE))
#define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3 (TREE_BINFO_CHECK (NODE))
#define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4 (TREE_BINFO_CHECK (NODE))
#define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5 (TREE_BINFO_CHECK (NODE))
#define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6 (TREE_BINFO_CHECK (NODE))
/* The actual data type node being inherited in this basetype. */
#define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK (NODE))
/* The offset where this basetype appears in its containing type.
BINFO_OFFSET slot holds the offset (in bytes)
from the base of the complete object to the base of the part of the
object that is allocated on behalf of this `type'.
This is always 0 except when there is multiple inheritance. */
#define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK (NODE)->binfo.offset)
#define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
/* The virtual function table belonging to this basetype. Virtual
function tables provide a mechanism for run-time method dispatching.
The entries of a virtual function table are language-dependent. */
#define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtable)
/* The virtual functions in the virtual function table. This is
a TREE_LIST that is used as an initial approximation for building
a virtual function table for this basetype. */
#define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK (NODE)->binfo.virtuals)
/* A vector of binfos for the direct basetypes inherited by this
basetype.
If this basetype describes type D as inherited in C, and if the
basetypes of D are E and F, then this vector contains binfos for
inheritance of E and F by C. */
#define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK (NODE)->binfo.base_binfos)
/* The number of basetypes for NODE. */
#define BINFO_N_BASE_BINFOS(NODE) (BINFO_BASE_BINFOS (NODE)->length ())
/* Accessor macro to get to the Nth base binfo of this binfo. */
#define BINFO_BASE_BINFO(NODE,N) \
((*BINFO_BASE_BINFOS (NODE))[(N)])
#define BINFO_BASE_ITERATE(NODE,N,B) \
(BINFO_BASE_BINFOS (NODE)->iterate ((N), &(B)))
#define BINFO_BASE_APPEND(NODE,T) \
(BINFO_BASE_BINFOS (NODE)->quick_push ((T)))
/* For a BINFO record describing a virtual base class, i.e., one where
TREE_VIA_VIRTUAL is set, this field assists in locating the virtual
base. The actual contents are language-dependent. In the C++
front-end this field is an INTEGER_CST giving an offset into the
vtable where the offset to the virtual base can be found. */
#define BINFO_VPTR_FIELD(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vptr_field)
/* Indicates the accesses this binfo has to its bases. The values are
access_public_node, access_protected_node or access_private_node.
If this array is not present, public access is implied. */
#define BINFO_BASE_ACCESSES(NODE) \
(TREE_BINFO_CHECK (NODE)->binfo.base_accesses)
#define BINFO_BASE_ACCESS(NODE,N) \
(*BINFO_BASE_ACCESSES (NODE))[(N)]
#define BINFO_BASE_ACCESS_APPEND(NODE,T) \
BINFO_BASE_ACCESSES (NODE)->quick_push ((T))
/* The index in the VTT where this subobject's sub-VTT can be found.
NULL_TREE if there is no sub-VTT. */
#define BINFO_SUBVTT_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_subvtt)
/* The index in the VTT where the vptr for this subobject can be
found. NULL_TREE if there is no secondary vptr in the VTT. */
#define BINFO_VPTR_INDEX(NODE) (TREE_BINFO_CHECK (NODE)->binfo.vtt_vptr)
/* The BINFO_INHERITANCE_CHAIN points at the binfo for the base
inheriting this base for non-virtual bases. For virtual bases it
points either to the binfo for which this is a primary binfo, or to
the binfo of the most derived type. */
#define BINFO_INHERITANCE_CHAIN(NODE) \
(TREE_BINFO_CHECK (NODE)->binfo.inheritance)
/* Define fields and accessors for nodes representing declared names. */
/* Nonzero if DECL represents an SSA name or a variable that can possibly
have an associated SSA name. */
#define SSA_VAR_P(DECL) \
(TREE_CODE (DECL) == VAR_DECL \
|| TREE_CODE (DECL) == PARM_DECL \
|| TREE_CODE (DECL) == RESULT_DECL \
|| TREE_CODE (DECL) == SSA_NAME)
#define DECL_CHAIN(NODE) (TREE_CHAIN (DECL_MINIMAL_CHECK (NODE)))
/* This is the name of the object as written by the user.
It is an IDENTIFIER_NODE. */
#define DECL_NAME(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.name)
/* Every ..._DECL node gets a unique number. */
#define DECL_UID(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.uid)
/* DEBUG_EXPR_DECLs get negative UID numbers, to catch erroneous
uses. */
#define DEBUG_TEMP_UID(NODE) (-DECL_UID (TREE_CHECK ((NODE), DEBUG_EXPR_DECL)))
/* Every ..._DECL node gets a unique number that stays the same even
when the decl is copied by the inliner once it is set. */
#define DECL_PT_UID(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.pt_uid == -1u \
? (NODE)->decl_minimal.uid : (NODE)->decl_common.pt_uid)
/* Initialize the ..._DECL node pt-uid to the decls uid. */
#define SET_DECL_PT_UID(NODE, UID) \
(DECL_COMMON_CHECK (NODE)->decl_common.pt_uid = (UID))
/* Whether the ..._DECL node pt-uid has been initialized and thus needs to
be preserved when copyin the decl. */
#define DECL_PT_UID_SET_P(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.pt_uid != -1u)
/* These two fields describe where in the source code the declaration
was. If the declaration appears in several places (as for a C
function that is declared first and then defined later), this
information should refer to the definition. */
#define DECL_SOURCE_LOCATION(NODE) \
(DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
#define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
#define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
#define DECL_SOURCE_COLUMN(NODE) LOCATION_COLUMN (DECL_SOURCE_LOCATION (NODE))
/* This accessor returns TRUE if the decl it operates on was created
by a front-end or back-end rather than by user code. In this case
builtin-ness is indicated by source location. */
#define DECL_IS_BUILTIN(DECL) \
(LOCATION_LOCUS (DECL_SOURCE_LOCATION (DECL)) <= BUILTINS_LOCATION)
/* For FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
QUAL_UNION_TYPE node that the field is a member of. For VAR_DECL,
PARM_DECL, FUNCTION_DECL, LABEL_DECL, RESULT_DECL, and CONST_DECL
nodes, this points to either the FUNCTION_DECL for the containing
function, the RECORD_TYPE or UNION_TYPE for the containing type, or
NULL_TREE or a TRANSLATION_UNIT_DECL if the given decl has "file
scope". In particular, for VAR_DECLs which are virtual table pointers
(they have DECL_VIRTUAL set), we use DECL_CONTEXT to determine the type
they belong to. */
#define DECL_CONTEXT(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.context)
#define DECL_FIELD_CONTEXT(NODE) \
(FIELD_DECL_CHECK (NODE)->decl_minimal.context)
/* If nonzero, decl's name shouldn't be emitted into debug info. */
#define DECL_NAMELESS(NODE) (DECL_MINIMAL_CHECK (NODE)->base.u.bits.nameless_flag)
/* For any sort of a ..._DECL node, this points to the original (abstract)
decl node which this decl is an inlined/cloned instance of, or else it
is NULL indicating that this decl is not an instance of some other decl.
The C front-end also uses this in a nested declaration of an inline
function, to point back to the definition. */
#define DECL_ABSTRACT_ORIGIN(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.abstract_origin)
/* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */
#define DECL_ORIGIN(NODE) \
(DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE))
/* Nonzero for any sort of ..._DECL node means this decl node represents an
inline instance of some original (abstract) decl from an inline function;
suppress any warnings about shadowing some other variable. FUNCTION_DECL
nodes can also have their abstract origin set to themselves. */
#define DECL_FROM_INLINE(NODE) \
(DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
&& DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
/* In a DECL this is the field where attributes are stored. */
#define DECL_ATTRIBUTES(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.attributes)
/* For a FUNCTION_DECL, holds the tree of BINDINGs.
For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
For a VAR_DECL, holds the initial value.
For a PARM_DECL, used for DECL_ARG_TYPE--default
values for parameters are encoded in the type of the function,
not in the PARM_DECL slot.
For a FIELD_DECL, this is used for enumeration values and the C
frontend uses it for temporarily storing bitwidth of bitfields.
??? Need to figure out some way to check this isn't a PARM_DECL. */
#define DECL_INITIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.initial)
/* Holds the size of the datum, in bits, as a tree expression.
Need not be constant. */
#define DECL_SIZE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size)
/* Likewise for the size in bytes. */
#define DECL_SIZE_UNIT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size_unit)
/* Holds the alignment required for the datum, in bits. */
#define DECL_ALIGN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.align)
/* The alignment of NODE, in bytes. */
#define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
/* Set if the alignment of this DECL has been set by the user, for
example with an 'aligned' attribute. */
#define DECL_USER_ALIGN(NODE) \
(DECL_COMMON_CHECK (NODE)->base.u.bits.user_align)
/* Holds the machine mode corresponding to the declaration of a variable or
field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
FIELD_DECL. */
#define DECL_MODE(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.mode)
/* For FUNCTION_DECL, if it is built-in, this identifies which built-in
operation it is. Note, however, that this field is overloaded, with
DECL_BUILT_IN_CLASS as the discriminant, so the latter must always be
checked before any access to the former. */
#define DECL_FUNCTION_CODE(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.function_code)
#define DECL_FUNCTION_PERSONALITY(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.personality)
/* Nonzero for a given ..._DECL node means that the name of this node should
be ignored for symbolic debug purposes. For a TYPE_DECL, this means that
the associated type should be ignored. For a FUNCTION_DECL, the body of
the function should also be ignored. */
#define DECL_IGNORED_P(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
/* Nonzero for a given ..._DECL node means that this node represents an
"abstract instance" of the given declaration (e.g. in the original
declaration of an inline function). When generating symbolic debugging
information, we mustn't try to generate any address information for nodes
marked as "abstract instances" because we don't actually generate
any code or allocate any data space for such instances. */
#define DECL_ABSTRACT(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
/* Language-specific decl information. */
#define DECL_LANG_SPECIFIC(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
/* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference:
do not allocate storage, and refer to a definition elsewhere. Note that
this does not necessarily imply the entity represented by NODE
has no program source-level definition in this translation unit. For
example, for a FUNCTION_DECL, DECL_SAVED_TREE may be non-NULL and
DECL_EXTERNAL may be true simultaneously; that can be the case for
a C99 "extern inline" function. */
#define DECL_EXTERNAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.decl_flag_1)
/* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
Also set in some languages for variables, etc., outside the normal
lexical scope, such as class instance variables. */
#define DECL_NONLOCAL(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.nonlocal_flag)
/* Used in VAR_DECLs to indicate that the variable is a vtable.
Used in FIELD_DECLs for vtable pointers.
Used in FUNCTION_DECLs to indicate that the function is virtual. */
#define DECL_VIRTUAL_P(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.virtual_flag)
/* Used to indicate that this DECL represents a compiler-generated entity. */
#define DECL_ARTIFICIAL(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
/* Additional flags for language-specific uses. */
#define DECL_LANG_FLAG_0(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
#define DECL_LANG_FLAG_1(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
#define DECL_LANG_FLAG_2(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
#define DECL_LANG_FLAG_3(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
#define DECL_LANG_FLAG_4(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
#define DECL_LANG_FLAG_5(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
#define DECL_LANG_FLAG_6(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
#define DECL_LANG_FLAG_7(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
#define DECL_LANG_FLAG_8(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_8)
/* Nonzero for a scope which is equal to file scope. */
#define SCOPE_FILE_SCOPE_P(EXP) \
(! (EXP) || TREE_CODE (EXP) == TRANSLATION_UNIT_DECL)
/* Nonzero for a decl which is at file scope. */
#define DECL_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (DECL_CONTEXT (EXP))
/* Nonzero for a type which is at file scope. */
#define TYPE_FILE_SCOPE_P(EXP) SCOPE_FILE_SCOPE_P (TYPE_CONTEXT (EXP))
/* Nonzero for a decl that is decorated using attribute used.
This indicates to compiler tools that this decl needs to be preserved. */
#define DECL_PRESERVE_P(DECL) \
DECL_COMMON_CHECK (DECL)->decl_common.preserve_flag
/* For function local variables of COMPLEX and VECTOR types,
indicates that the variable is not aliased, and that all
modifications to the variable have been adjusted so that
they are killing assignments. Thus the variable may now
be treated as a GIMPLE register, and use real instead of
virtual ops in SSA form. */
#define DECL_GIMPLE_REG_P(DECL) \
DECL_COMMON_CHECK (DECL)->decl_common.gimple_reg_flag
extern tree decl_value_expr_lookup (tree);
extern void decl_value_expr_insert (tree, tree);
/* In a VAR_DECL or PARM_DECL, the location at which the value may be found,
if transformations have made this more complicated than evaluating the
decl itself. This should only be used for debugging; once this field has
been set, the decl itself may not legitimately appear in the function. */
#define DECL_HAS_VALUE_EXPR_P(NODE) \
(TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, RESULT_DECL) \
->decl_common.decl_flag_2)
#define DECL_VALUE_EXPR(NODE) \
(decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))
#define SET_DECL_VALUE_EXPR(NODE, VAL) \
(decl_value_expr_insert (DECL_WRTL_CHECK (NODE), VAL))
/* Holds the RTL expression for the value of a variable or function.
This value can be evaluated lazily for functions, variables with
static storage duration, and labels. */
#define DECL_RTL(NODE) \
(DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl \
? (NODE)->decl_with_rtl.rtl \
: (make_decl_rtl (NODE), (NODE)->decl_with_rtl.rtl))
/* Set the DECL_RTL for NODE to RTL. */
#define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
/* Returns nonzero if NODE is a tree node that can contain RTL. */
#define HAS_RTL_P(NODE) (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WRTL))
/* Returns nonzero if the DECL_RTL for NODE has already been set. */
#define DECL_RTL_SET_P(NODE) \
(HAS_RTL_P (NODE) && DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl != NULL)
/* Copy the RTL from NODE1 to NODE2. If the RTL was not set for
NODE1, it will not be set for NODE2; this is a lazy copy. */
#define COPY_DECL_RTL(NODE1, NODE2) \
(DECL_WRTL_CHECK (NODE2)->decl_with_rtl.rtl \
= DECL_WRTL_CHECK (NODE1)->decl_with_rtl.rtl)
/* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */
#define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
#if (GCC_VERSION >= 2007)
#define DECL_RTL_KNOWN_SET(decl) __extension__ \
({ tree const __d = (decl); \
gcc_checking_assert (DECL_RTL_SET_P (__d)); \
/* Dereference it so the compiler knows it can't be NULL even \
without assertion checking. */ \
&*DECL_RTL_IF_SET (__d); })
#else
#define DECL_RTL_KNOWN_SET(decl) (&*DECL_RTL_IF_SET (decl))
#endif
/* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
#define DECL_REGISTER(NODE) (DECL_WRTL_CHECK (NODE)->decl_common.decl_flag_0)
/* In a FIELD_DECL, this is the field position, counting in bytes, of the
DECL_OFFSET_ALIGN-bit-sized word containing the bit closest to the beginning
of the structure. */
#define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.offset)
/* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
field from DECL_FIELD_OFFSET. This field may be nonzero even for fields
that are not bit fields (since DECL_OFFSET_ALIGN may be larger than the
natural alignment of the field's type). */
#define DECL_FIELD_BIT_OFFSET(NODE) \
(FIELD_DECL_CHECK (NODE)->field_decl.bit_offset)
/* In a FIELD_DECL, this indicates whether the field was a bit-field and
if so, the type that was originally specified for it.
TREE_TYPE may have been modified (in finish_struct). */
#define DECL_BIT_FIELD_TYPE(NODE) \
(FIELD_DECL_CHECK (NODE)->field_decl.bit_field_type)
/* In a FIELD_DECL of a RECORD_TYPE, this is a pointer to the storage
representative FIELD_DECL. */
#define DECL_BIT_FIELD_REPRESENTATIVE(NODE) \
(FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
/* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
if nonzero, indicates that the field occupies the type. */
#define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.qualifier)
/* For FIELD_DECLs, off_align holds the number of low-order bits of
DECL_FIELD_OFFSET which are known to be always zero.
DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
has. */
#define DECL_OFFSET_ALIGN(NODE) \
(((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl_common.off_align)
/* Specify that DECL_ALIGN(NODE) is a multiple of X. */
#define SET_DECL_OFFSET_ALIGN(NODE, X) \
(FIELD_DECL_CHECK (NODE)->decl_common.off_align = ffs_hwi (X) - 1)
/* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
which this FIELD_DECL is defined. This information is needed when
writing debugging information about vfield and vbase decls for C++. */
#define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->field_decl.fcontext)
/* In a FIELD_DECL, indicates this field should be bit-packed. */
#define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->base.u.bits.packed_flag)
/* Nonzero in a FIELD_DECL means it is a bit field, and must be accessed
specially. */
#define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_1)
/* Used in a FIELD_DECL to indicate that we cannot form the address of
this component. This makes it possible for Type-Based Alias Analysis
to disambiguate accesses to this field with indirect accesses using
the field's type:
struct S { int i; } s;
int *p;
If the flag is set on 'i', TBAA computes that s.i and *p never conflict.
From the implementation's viewpoint, the alias set of the type of the
field 'i' (int) will not be recorded as a subset of that of the type of
's' (struct S) in record_component_aliases. The counterpart is that
accesses to s.i must not be given the alias set of the type of 'i'
(int) but instead directly that of the type of 's' (struct S). */
#define DECL_NONADDRESSABLE_P(NODE) \
(FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
/* A numeric unique identifier for a LABEL_DECL. The UID allocation is
dense, unique within any one function, and may be used to index arrays.
If the value is -1, then no UID has been assigned. */
#define LABEL_DECL_UID(NODE) \
(LABEL_DECL_CHECK (NODE)->label_decl.label_decl_uid)
/* In a LABEL_DECL, the EH region number for which the label is the
post_landing_pad. */
#define EH_LANDING_PAD_NR(NODE) \
(LABEL_DECL_CHECK (NODE)->label_decl.eh_landing_pad_nr)
/* For a PARM_DECL, records the data type used to pass the argument,
which may be different from the type seen in the program. */
#define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl_common.initial)
/* For PARM_DECL, holds an RTL for the stack slot or register
where the data was actually passed. */
#define DECL_INCOMING_RTL(NODE) \
(PARM_DECL_CHECK (NODE)->parm_decl.incoming_rtl)
/* Nonzero for a given ..._DECL node means that no warnings should be
generated just because this node is unused. */
#define DECL_IN_SYSTEM_HEADER(NODE) \
(in_system_header_at (DECL_SOURCE_LOCATION (NODE)))
/* Used to indicate that the linkage status of this DECL is not yet known,
so it should not be output now. */
#define DECL_DEFER_OUTPUT(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
/* In a VAR_DECL that's static,
nonzero if the space is in the text section. */
#define DECL_IN_TEXT_SECTION(NODE) \
(VAR_DECL_CHECK (NODE)->decl_with_vis.in_text_section)
/* In a VAR_DECL that's static,
nonzero if it belongs to the global constant pool. */
#define DECL_IN_CONSTANT_POOL(NODE) \
(VAR_DECL_CHECK (NODE)->decl_with_vis.in_constant_pool)
/* Nonzero for a given ..._DECL node means that this node should be
put in .common, if possible. If a DECL_INITIAL is given, and it
is not error_mark_node, then the decl cannot be put in .common. */
#define DECL_COMMON(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.common_flag)
/* In a VAR_DECL, nonzero if the decl is a register variable with
an explicit asm specification. */
#define DECL_HARD_REGISTER(NODE) \
(VAR_DECL_CHECK (NODE)->decl_with_vis.hard_register)
/* Used to indicate that this DECL has weak linkage. */
#define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
/* Used to indicate that the DECL is a dllimport. */
#define DECL_DLLIMPORT_P(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_flag)
/* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
not be put out unless it is needed in this translation unit.
Entities like this are shared across translation units (like weak
entities), but are guaranteed to be generated by any translation
unit that needs them, and therefore need not be put out anywhere
where they are not needed. DECL_COMDAT is just a hint to the
back-end; it is up to front-ends which set this flag to ensure
that there will never be any harm, other than bloat, in putting out
something which is DECL_COMDAT. */
#define DECL_COMDAT(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
#define DECL_COMDAT_GROUP(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_group)
/* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
multiple translation units should be merged. */
#define DECL_ONE_ONLY(NODE) (DECL_COMDAT_GROUP (NODE) != NULL_TREE)
/* The name of the object as the assembler will see it (but before any
translations made by ASM_OUTPUT_LABELREF). Often this is the same
as DECL_NAME. It is an IDENTIFIER_NODE. */
#define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE)
/* Return true if NODE is a NODE that can contain a DECL_ASSEMBLER_NAME.
This is true of all DECL nodes except FIELD_DECL. */
#define HAS_DECL_ASSEMBLER_NAME_P(NODE) \
(CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WITH_VIS))
/* Returns nonzero if the DECL_ASSEMBLER_NAME for NODE has been set. If zero,
the NODE might still have a DECL_ASSEMBLER_NAME -- it just hasn't been set
yet. */
#define DECL_ASSEMBLER_NAME_SET_P(NODE) \
(HAS_DECL_ASSEMBLER_NAME_P (NODE) \
&& DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name != NULL_TREE)
/* Set the DECL_ASSEMBLER_NAME for NODE to NAME. */
#define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.assembler_name = (NAME))
/* Copy the DECL_ASSEMBLER_NAME from DECL1 to DECL2. Note that if DECL1's
DECL_ASSEMBLER_NAME has not yet been set, using this macro will not cause
the DECL_ASSEMBLER_NAME of either DECL to be set. In other words, the
semantics of using this macro, are different than saying:
SET_DECL_ASSEMBLER_NAME(DECL2, DECL_ASSEMBLER_NAME (DECL1))
which will try to set the DECL_ASSEMBLER_NAME for DECL1. */
#define COPY_DECL_ASSEMBLER_NAME(DECL1, DECL2) \
(DECL_ASSEMBLER_NAME_SET_P (DECL1) \
? (void) SET_DECL_ASSEMBLER_NAME (DECL2, \
DECL_ASSEMBLER_NAME (DECL1)) \
: (void) 0)
/* Records the section name in a section attribute. Used to pass
the name from decl_attributes to make_function_rtl and make_decl_rtl. */
#define DECL_SECTION_NAME(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.section_name)
/* Nonzero in a decl means that the gimplifier has seen (or placed)
this variable in a BIND_EXPR. */
#define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.seen_in_bind_expr)
/* Value of the decls's visibility attribute */
#define DECL_VISIBILITY(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility)
/* Nonzero means that the decl had its visibility specified rather than
being inferred. */
#define DECL_VISIBILITY_SPECIFIED(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility_specified)
/* In a VAR_DECL, the model to use if the data should be allocated from
thread-local storage. */
#define DECL_TLS_MODEL(NODE) (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model)
/* In a VAR_DECL, nonzero if the data should be allocated from
thread-local storage. */
#define DECL_THREAD_LOCAL_P(NODE) \
(VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model >= TLS_MODEL_REAL)
/* In a non-local VAR_DECL with static storage duration, true if the
variable has an initialization priority. If false, the variable
will be initialized at the DEFAULT_INIT_PRIORITY. */
#define DECL_HAS_INIT_PRIORITY_P(NODE) \
(VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
/* Specify whether the section name was set by user or by
compiler via -ffunction-sections. */
#define DECL_HAS_IMPLICIT_SECTION_NAME_P(NODE) \
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.implicit_section_name_p)
extern tree decl_debug_expr_lookup (tree);
extern void decl_debug_expr_insert (tree, tree);
/* For VAR_DECL, this is set to an expression that it was split from. */
#define DECL_HAS_DEBUG_EXPR_P(NODE) \
(VAR_DECL_CHECK (NODE)->decl_common.debug_expr_is_from)
#define DECL_DEBUG_EXPR(NODE) \
(decl_debug_expr_lookup (VAR_DECL_CHECK (NODE)))
#define SET_DECL_DEBUG_EXPR(NODE, VAL) \
(decl_debug_expr_insert (VAR_DECL_CHECK (NODE), VAL))
extern priority_type decl_init_priority_lookup (tree);
extern priority_type decl_fini_priority_lookup (tree);
extern void decl_init_priority_insert (tree, priority_type);
extern void decl_fini_priority_insert (tree, priority_type);
/* For a VAR_DECL or FUNCTION_DECL the initialization priority of
NODE. */
#define DECL_INIT_PRIORITY(NODE) \
(decl_init_priority_lookup (NODE))
/* Set the initialization priority for NODE to VAL. */
#define SET_DECL_INIT_PRIORITY(NODE, VAL) \
(decl_init_priority_insert (NODE, VAL))
/* For a FUNCTION_DECL the finalization priority of NODE. */
#define DECL_FINI_PRIORITY(NODE) \
(decl_fini_priority_lookup (NODE))
/* Set the finalization priority for NODE to VAL. */
#define SET_DECL_FINI_PRIORITY(NODE, VAL) \
(decl_fini_priority_insert (NODE, VAL))
/* The initialization priority for entities for which no explicit
initialization priority has been specified. */
#define DEFAULT_INIT_PRIORITY 65535
/* The maximum allowed initialization priority. */
#define MAX_INIT_PRIORITY 65535
/* The largest priority value reserved for use by system runtime
libraries. */
#define MAX_RESERVED_INIT_PRIORITY 100
/* In a VAR_DECL, nonzero if this is a global variable for VOPs. */
#define VAR_DECL_IS_VIRTUAL_OPERAND(NODE) \
(VAR_DECL_CHECK (NODE)->base.u.bits.saturating_flag)
/* In a VAR_DECL, nonzero if this is a non-local frame structure. */
#define DECL_NONLOCAL_FRAME(NODE) \
(VAR_DECL_CHECK (NODE)->base.default_def_flag)
/* In a VAR_DECL, nonzero if this variable is not aliased by any pointer. */
#define DECL_NONALIASED(NODE) \
(VAR_DECL_CHECK (NODE)->base.nothrow_flag)
/* This field is used to reference anything in decl.result and is meant only
for use by the garbage collector. */
#define DECL_RESULT_FLD(NODE) \
(DECL_NON_COMMON_CHECK (NODE)->decl_non_common.result)
/* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
Before the struct containing the FUNCTION_DECL is laid out,
DECL_VINDEX may point to a FUNCTION_DECL in a base class which
is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual
function. When the class is laid out, this pointer is changed
to an INTEGER_CST node which is suitable for use as an index
into the virtual function table.
C++ also uses this field in namespaces, hence the DECL_NON_COMMON_CHECK. */
#define DECL_VINDEX(NODE) \
(DECL_NON_COMMON_CHECK (NODE)->decl_non_common.vindex)
/* In FUNCTION_DECL, holds the decl for the return value. */
#define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.result)
/* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */
#define DECL_UNINLINABLE(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.uninlinable)
/* In a FUNCTION_DECL, the saved representation of the body of the
entire function. */
#define DECL_SAVED_TREE(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl_non_common.saved_tree)
/* Nonzero in a FUNCTION_DECL means this function should be treated
as if it were a malloc, meaning it returns a pointer that is
not an alias. */
#define DECL_IS_MALLOC(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.malloc_flag)
/* Nonzero in a FUNCTION_DECL means this function should be treated as
C++ operator new, meaning that it returns a pointer for which we
should not use type based aliasing. */
#define DECL_IS_OPERATOR_NEW(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.operator_new_flag)
/* Nonzero in a FUNCTION_DECL means this function may return more
than once. */
#define DECL_IS_RETURNS_TWICE(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.returns_twice_flag)
/* Nonzero in a FUNCTION_DECL means this function should be treated
as "pure" function (like const function, but may read global memory). */
#define DECL_PURE_P(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
/* Nonzero only if one of TREE_READONLY or DECL_PURE_P is nonzero AND
the const or pure function may not terminate. When this is nonzero
for a const or pure function, it can be dealt with by cse passes
but cannot be removed by dce passes since you are not allowed to
change an infinite looping program into one that terminates without
error. */
#define DECL_LOOPING_CONST_OR_PURE_P(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.looping_const_or_pure_flag)
/* Nonzero in a FUNCTION_DECL means this function should be treated
as "novops" function (function that does not read global memory,
but may have arbitrary side effects). */
#define DECL_IS_NOVOPS(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.novops_flag)
/* Used in FUNCTION_DECLs to indicate that they should be run automatically
at the beginning or end of execution. */
#define DECL_STATIC_CONSTRUCTOR(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.static_ctor_flag)
#define DECL_STATIC_DESTRUCTOR(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.static_dtor_flag)
/* Used in FUNCTION_DECLs to indicate that function entry and exit should
be instrumented with calls to support routines. */
#define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.no_instrument_function_entry_exit)
/* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
disabled in this function. */
#define DECL_NO_LIMIT_STACK(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.no_limit_stack)
/* In a FUNCTION_DECL indicates that a static chain is needed. */
#define DECL_STATIC_CHAIN(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.regdecl_flag)
/* Nonzero for a decl that cgraph has decided should be inlined into
at least one call site. It is not meaningful to look at this
directly; always use cgraph_function_possibly_inlined_p. */
#define DECL_POSSIBLY_INLINED(DECL) \
FUNCTION_DECL_CHECK (DECL)->function_decl.possibly_inlined
/* Nonzero in a FUNCTION_DECL means that this function was declared inline,
such as via the `inline' keyword in C/C++. This flag controls the linkage
semantics of 'inline' */
#define DECL_DECLARED_INLINE_P(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
/* Nonzero in a FUNCTION_DECL means this function should not get
-Winline warnings. */
#define DECL_NO_INLINE_WARNING_P(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.no_inline_warning_flag)
/* Nonzero if a FUNCTION_CODE is a TM load/store. */
#define BUILTIN_TM_LOAD_STORE_P(FN) \
((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
/* Nonzero if a FUNCTION_CODE is a TM load. */
#define BUILTIN_TM_LOAD_P(FN) \
((FN) >= BUILT_IN_TM_LOAD_1 && (FN) <= BUILT_IN_TM_LOAD_RFW_LDOUBLE)
/* Nonzero if a FUNCTION_CODE is a TM store. */
#define BUILTIN_TM_STORE_P(FN) \
((FN) >= BUILT_IN_TM_STORE_1 && (FN) <= BUILT_IN_TM_STORE_WAW_LDOUBLE)
#define CASE_BUILT_IN_TM_LOAD(FN) \
case BUILT_IN_TM_LOAD_##FN: \
case BUILT_IN_TM_LOAD_RAR_##FN: \
case BUILT_IN_TM_LOAD_RAW_##FN: \
case BUILT_IN_TM_LOAD_RFW_##FN
#define CASE_BUILT_IN_TM_STORE(FN) \
case BUILT_IN_TM_STORE_##FN: \
case BUILT_IN_TM_STORE_WAR_##FN: \
case BUILT_IN_TM_STORE_WAW_##FN
/* Nonzero in a FUNCTION_DECL that should be always inlined by the inliner
disregarding size and cost heuristics. This is equivalent to using
the always_inline attribute without the required diagnostics if the
function cannot be inlined. */
#define DECL_DISREGARD_INLINE_LIMITS(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.disregard_inline_limits)
extern vec<tree, va_gc> **decl_debug_args_lookup (tree);
extern vec<tree, va_gc> **decl_debug_args_insert (tree);
/* Nonzero if a FUNCTION_DECL has DEBUG arguments attached to it. */
#define DECL_HAS_DEBUG_ARGS_P(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.has_debug_args_flag)
/* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
that describes the status of this function. */
#define DECL_STRUCT_FUNCTION(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.f)
/* In a FUNCTION_DECL, nonzero means a built in function of a
standard library or more generally a built in function that is
recognized by optimizers and expanders.
Note that it is different from the DECL_IS_BUILTIN accessor. For
instance, user declared prototypes of C library functions are not
DECL_IS_BUILTIN but may be DECL_BUILT_IN. */
#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
/* For a builtin function, identify which part of the compiler defined it. */
#define DECL_BUILT_IN_CLASS(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.built_in_class)
/* In FUNCTION_DECL, a chain of ..._DECL nodes.
VAR_DECL and PARM_DECL reserve the arguments slot for language-specific
uses. */
#define DECL_ARGUMENTS(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl_non_common.arguments)
#define DECL_ARGUMENT_FLD(NODE) \
(DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments)
/* In FUNCTION_DECL, the function specific target options to use when compiling
this function. */
#define DECL_FUNCTION_SPECIFIC_TARGET(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_target)
/* In FUNCTION_DECL, the function specific optimization options to use when
compiling this function. */
#define DECL_FUNCTION_SPECIFIC_OPTIMIZATION(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_optimization)
/* In FUNCTION_DECL, this is set if this function has other versions generated
using "target" attributes. The default version is the one which does not
have any "target" attribute set. */
#define DECL_FUNCTION_VERSIONED(NODE)\
(FUNCTION_DECL_CHECK (NODE)->function_decl.versioned_function)
/* In FUNCTION_DECL, this is set if this function is a C++ constructor.
Devirtualization machinery uses this knowledge for determing type of the
object constructed. Also we assume that constructor address is not
important. */
#define DECL_CXX_CONSTRUCTOR_P(NODE)\
(FUNCTION_DECL_CHECK (NODE)->decl_with_vis.cxx_constructor)
/* In FUNCTION_DECL, this is set if this function is a C++ destructor.
Devirtualization machinery uses this to track types in destruction. */
#define DECL_CXX_DESTRUCTOR_P(NODE)\
(FUNCTION_DECL_CHECK (<