/* Front-end tree definitions for GNU compiler.
Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 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 2, or (at your option) any later
+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
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+#ifndef GCC_TREE_H
+#define GCC_TREE_H
+
+#include "hashtab.h"
#include "machmode.h"
-#include "version.h"
+#include "input.h"
+#include "statistics.h"
+#include "vec.h"
+#include "double-int.h"
+#include "alias.h"
+#include "options.h"
/* Codes of tree nodes */
#define DEFTREECODE(SYM, STRING, TYPE, NARGS) SYM,
+#define END_OF_BASE_TREE_CODES LAST_AND_UNUSED_TREE_CODE,
enum tree_code {
-#include "tree.def"
-
- LAST_AND_UNUSED_TREE_CODE /* A convenient way to get a value for
- NUM_TREE_CODE. */
+#include "all-tree.def"
+MAX_TREE_CODES
};
#undef DEFTREECODE
+#undef END_OF_BASE_TREE_CODES
+
+extern unsigned char tree_contains_struct[MAX_TREE_CODES][64];
+#define CODE_CONTAINS_STRUCT(CODE, STRUCT) (tree_contains_struct[(CODE)][(STRUCT)])
/* Number of language-independent tree codes. */
#define NUM_TREE_CODES ((int) LAST_AND_UNUSED_TREE_CODE)
-/* Indexed by enum tree_code, contains a character which is
- `<' for a comparison expression, `1', for a unary arithmetic
- expression, `2' for a binary arithmetic expression, `e' for
- other types of expressions, `r' for a reference, `c' for a
- constant, `d' for a decl, `t' for a type, `s' for a statement,
- and `x' for anything else (TREE_LIST, IDENTIFIER, etc). */
+/* Tree code classes. */
+
+/* Each tree_code has an associated code class represented by a
+ TREE_CODE_CLASS. */
+
+enum tree_code_class {
+ tcc_exceptional, /* An exceptional code (fits no category). */
+ tcc_constant, /* A constant. */
+ /* Order of tcc_type and tcc_declaration is important. */
+ tcc_type, /* A type object code. */
+ tcc_declaration, /* A declaration (also serving as variable refs). */
+ tcc_reference, /* A reference to storage. */
+ tcc_comparison, /* A comparison expression. */
+ tcc_unary, /* A unary arithmetic expression. */
+ tcc_binary, /* A binary arithmetic expression. */
+ tcc_statement, /* A statement expression, which have side effects
+ but usually no interesting value. */
+ tcc_vl_exp, /* A function call or other expression with a
+ variable-length operand vector. */
+ tcc_expression /* Any other expression. */
+};
+
+/* Each tree code class has an associated string representation.
+ These must correspond to the tree_code_class entries. */
+
+extern const char *const tree_code_class_strings[];
+
+/* Returns the string representing CLASS. */
+
+#define TREE_CODE_CLASS_STRING(CLASS)\
+ tree_code_class_strings[(int) (CLASS)]
-#define MAX_TREE_CODES 256
-extern char tree_code_type[MAX_TREE_CODES];
+extern const enum tree_code_class tree_code_type[];
#define TREE_CODE_CLASS(CODE) tree_code_type[(int) (CODE)]
-/* Returns non-zero iff CLASS is the tree-code class of an
+/* Nonzero if CODE represents an exceptional code. */
+
+#define EXCEPTIONAL_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_exceptional)
+
+/* Nonzero if CODE represents a constant. */
+
+#define CONSTANT_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_constant)
+
+/* Nonzero if CODE represents a type. */
+
+#define TYPE_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_type)
+
+/* Nonzero if CODE represents a declaration. */
+
+#define DECL_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_declaration)
+
+/* Nonzero if CODE represents a memory tag. */
+
+#define MTAG_P(CODE) \
+ (TREE_CODE (CODE) == NAME_MEMORY_TAG \
+ || TREE_CODE (CODE) == SYMBOL_MEMORY_TAG \
+ || TREE_CODE (CODE) == MEMORY_PARTITION_TAG)
+
+
+/* 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 CODE represents a INDIRECT_REF. Keep these checks in
+ ascending code order. */
+
+#define INDIRECT_REF_P(CODE)\
+ (TREE_CODE (CODE) == INDIRECT_REF \
+ || TREE_CODE (CODE) == ALIGN_INDIRECT_REF \
+ || TREE_CODE (CODE) == MISALIGNED_INDIRECT_REF)
+
+/* Nonzero if CODE represents a reference. */
+
+#define REFERENCE_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_reference)
+
+/* Nonzero if CODE represents a comparison. */
+
+#define COMPARISON_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_comparison)
+
+/* Nonzero if CODE represents a unary arithmetic expression. */
+
+#define UNARY_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_unary)
+
+/* Nonzero if CODE represents a binary arithmetic expression. */
+
+#define BINARY_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_binary)
+
+/* Nonzero if CODE represents a statement expression. */
+
+#define STATEMENT_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_statement)
+
+/* Nonzero if CODE represents a function call-like expression with a
+ variable-length operand vector. */
+
+#define VL_EXP_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_vl_exp)
+
+/* Nonzero if CODE represents any other expression. */
+
+#define EXPRESSION_CLASS_P(CODE)\
+ (TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_expression)
+
+/* Returns nonzero iff CODE represents a type or declaration. */
+
+#define IS_TYPE_OR_DECL_P(CODE)\
+ (TYPE_P (CODE) || DECL_P (CODE))
+
+/* Returns nonzero iff CLASS is the tree-code class of an
expression. */
-#define IS_EXPR_CODE_CLASS(CLASS) \
- ((CLASS) == '<' || (CLASS) == '1' || (CLASS) == '2' || (CLASS) == 'e')
+#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)))
/* Number of argument-words in each kind of tree-node. */
-extern int tree_code_length[MAX_TREE_CODES];
+extern const unsigned char tree_code_length[];
#define TREE_CODE_LENGTH(CODE) tree_code_length[(int) (CODE)]
/* Names of tree components. */
-extern const char *tree_code_name[MAX_TREE_CODES];
+extern const char *const tree_code_name[];
+
+/* A vectors of trees. */
+DEF_VEC_P(tree);
+DEF_VEC_ALLOC_P(tree,gc);
+DEF_VEC_ALLOC_P(tree,heap);
+
\f
/* Classify which part of the compiler has defined a given builtin function.
Note that we assume below that this is no more than two bits. */
/* Codes that identify the various built in functions
so that expand_call can identify them quickly. */
-#define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA) ENUM,
+#define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT, IM, COND) ENUM,
enum built_in_function
{
#include "builtins.def"
+ /* Complex division routines in libgcc. These are done via builtins
+ because emit_library_call_value can't handle complex values. */
+ BUILT_IN_COMPLEX_MUL_MIN,
+ BUILT_IN_COMPLEX_MUL_MAX
+ = BUILT_IN_COMPLEX_MUL_MIN
+ + MAX_MODE_COMPLEX_FLOAT
+ - MIN_MODE_COMPLEX_FLOAT,
+
+ BUILT_IN_COMPLEX_DIV_MIN,
+ BUILT_IN_COMPLEX_DIV_MAX
+ = BUILT_IN_COMPLEX_DIV_MIN
+ + MAX_MODE_COMPLEX_FLOAT
+ - MIN_MODE_COMPLEX_FLOAT,
+
/* Upper bound on non-language-specific builtins. */
END_BUILTINS
};
#undef DEF_BUILTIN
/* Names for the above. */
-extern const char *const built_in_names[(int) END_BUILTINS];
+extern const char * built_in_names[(int) END_BUILTINS];
+
+/* 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
/* An array of _DECL trees for the above. */
-extern tree built_in_decls[(int) END_BUILTINS];
+extern GTY(()) tree built_in_decls[(int) END_BUILTINS];
+extern GTY(()) tree implicit_built_in_decls[(int) END_BUILTINS];
+\f
+/* In an OMP_CLAUSE node. */
+
+/* Number of operands and names for each clause. */
+extern unsigned const char omp_clause_num_ops[];
+extern const char * const omp_clause_code_name[];
+
+/* Clause codes. Do not reorder, as this is used to index into the tables
+ omp_clause_num_ops and omp_clause_code_name. */
+enum omp_clause_code
+{
+ /* Clause zero is special-cased inside the parser
+ (c_parser_omp_variable_list). */
+ OMP_CLAUSE_ERROR = 0,
+
+ /* OpenMP clause: private (variable_list). */
+ OMP_CLAUSE_PRIVATE,
+
+ /* OpenMP clause: shared (variable_list). */
+ OMP_CLAUSE_SHARED,
+
+ /* OpenMP clause: firstprivate (variable_list). */
+ OMP_CLAUSE_FIRSTPRIVATE,
+
+ /* OpenMP clause: lastprivate (variable_list). */
+ OMP_CLAUSE_LASTPRIVATE,
+
+ /* OpenMP clause: reduction (operator:variable_list).
+ OMP_CLAUSE_REDUCTION_CODE: The tree_code of the operator.
+ Operand 1: OMP_CLAUSE_REDUCTION_INIT: Stmt-list to initialize the var.
+ Operand 2: OMP_CLAUSE_REDUCTION_MERGE: Stmt-list to merge private var
+ into the shared one.
+ Operand 3: OMP_CLAUSE_REDUCTION_PLACEHOLDER: A dummy VAR_DECL
+ placeholder used in OMP_CLAUSE_REDUCTION_{INIT,MERGE}. */
+ OMP_CLAUSE_REDUCTION,
+
+ /* OpenMP clause: copyin (variable_list). */
+ OMP_CLAUSE_COPYIN,
+
+ /* OpenMP clause: copyprivate (variable_list). */
+ OMP_CLAUSE_COPYPRIVATE,
+
+ /* OpenMP clause: if (scalar-expression). */
+ OMP_CLAUSE_IF,
+
+ /* OpenMP clause: num_threads (integer-expression). */
+ OMP_CLAUSE_NUM_THREADS,
+
+ /* OpenMP clause: schedule. */
+ OMP_CLAUSE_SCHEDULE,
+
+ /* OpenMP clause: nowait. */
+ OMP_CLAUSE_NOWAIT,
+
+ /* OpenMP clause: ordered. */
+ OMP_CLAUSE_ORDERED,
+
+ /* OpenMP clause: default. */
+ OMP_CLAUSE_DEFAULT,
+
+ /* OpenMP clause: collapse (constant-integer-expression). */
+ OMP_CLAUSE_COLLAPSE,
+
+ /* OpenMP clause: untied. */
+ OMP_CLAUSE_UNTIED
+};
\f
/* The definition of tree nodes fills the next several pages. */
See the accessor macros, defined below, for documentation of the
fields. */
+union tree_ann_d;
-struct tree_common
+struct tree_base GTY(())
{
- tree chain;
- tree type;
-
- ENUM_BITFIELD(tree_code) code : 8;
+ ENUM_BITFIELD(tree_code) code : 16;
unsigned side_effects_flag : 1;
unsigned constant_flag : 1;
unsigned readonly_flag : 1;
unsigned unsigned_flag : 1;
unsigned asm_written_flag: 1;
- unsigned unused_0 : 1;
+ unsigned nowarning_flag : 1;
unsigned used_flag : 1;
unsigned nothrow_flag : 1;
unsigned public_flag : 1;
unsigned private_flag : 1;
unsigned protected_flag : 1;
- unsigned bounded_flag : 1;
unsigned deprecated_flag : 1;
+ unsigned saturating_flag : 1;
+ unsigned default_def_flag : 1;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned lang_flag_4 : 1;
unsigned lang_flag_5 : 1;
unsigned lang_flag_6 : 1;
- unsigned unused_1 : 1;
+ unsigned visited : 1;
+
+ unsigned spare : 23;
+
+ union tree_ann_d *ann;
+};
+
+struct tree_common GTY(())
+{
+ struct tree_base base;
+ tree chain;
+ tree type;
};
/* The following table lists the uses of each of the above flags and
- for which types of nodes they are defined. Note that expressions
- include decls.
+ for which types of nodes they are defined.
addressable_flag:
TREE_ADDRESSABLE in
- VAR_DECL, FUNCTION_DECL, FIELD_DECL, CONSTRUCTOR, LABEL_DECL,
- ..._TYPE, IDENTIFIER_NODE.
- In a STMT_EXPR, it means we want the result of the enclosed
- expression.
+ VAR_DECL, FUNCTION_DECL, FIELD_DECL, LABEL_DECL
+ all types
+ CONSTRUCTOR, IDENTIFIER_NODE
+ STMT_EXPR, it means we want the result of the enclosed expression
+
+ CALL_EXPR_TAILCALL in
+ CALL_EXPR
+
+ CASE_LOW_SEEN in
+ CASE_LABEL_EXPR
static_flag:
TREE_STATIC in
- VAR_DECL, FUNCTION_DECL, CONSTRUCTOR, ADDR_EXPR
- TREE_NO_UNUSED_WARNING in
- CONVERT_EXPR, NOP_EXPR, COMPOUND_EXPR
- TREE_VIA_VIRTUAL in
- TREE_LIST or TREE_VEC
- TREE_CONSTANT_OVERFLOW in
- INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST
+ VAR_DECL, FUNCTION_DECL
+ CONSTRUCTOR
+
+ TREE_NO_TRAMPOLINE in
+ ADDR_EXPR
+
+ BINFO_VIRTUAL_P in
+ TREE_BINFO
+
TREE_SYMBOL_REFERENCED in
IDENTIFIER_NODE
+
CLEANUP_EH_ONLY in
- TARGET_EXPR, WITH_CLEANUP_EXPR, CLEANUP_STMT,
- TREE_LIST elements of a block's cleanup list.
+ TARGET_EXPR, WITH_CLEANUP_EXPR
+
+ TRY_CATCH_IS_CLEANUP in
+ TRY_CATCH_EXPR
+
+ ASM_INPUT_P in
+ ASM_EXPR
+
+ EH_FILTER_MUST_NOT_THROW in
+ EH_FILTER_EXPR
+
+ TYPE_REF_CAN_ALIAS_ALL in
+ POINTER_TYPE, REFERENCE_TYPE
+
+ MOVE_NONTEMPORAL in
+ MODIFY_EXPR
+
+ CASE_HIGH_SEEN in
+ CASE_LABEL_EXPR
+
+ CALL_CANNOT_INLINE_P in
+ CALL_EXPR
public_flag:
TREE_OVERFLOW in
INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST
+
TREE_PUBLIC in
- VAR_DECL or FUNCTION_DECL or IDENTIFIER_NODE
- TREE_VIA_PUBLIC in
- TREE_LIST or TREE_VEC
- EXPR_WFL_EMIT_LINE_NOTE in
- EXPR_WITH_FILE_LOCATION
+ VAR_DECL, FUNCTION_DECL
+ IDENTIFIER_NODE
+
+ ASM_VOLATILE_P in
+ ASM_EXPR
+
+ CALL_EXPR_VA_ARG_PACK in
+ CALL_EXPR
+
+ TYPE_CACHED_VALUES_P in
+ all types
+
+ SAVE_EXPR_RESOLVED_P in
+ SAVE_EXPR
+
+ OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE in
+ OMP_CLAUSE_LASTPRIVATE
+
+ OMP_CLAUSE_PRIVATE_DEBUG in
+ OMP_CLAUSE_PRIVATE
private_flag:
- TREE_VIA_PRIVATE in
- TREE_LIST or TREE_VEC
TREE_PRIVATE in
- ..._DECL
+ all decls
+
+ CALL_EXPR_RETURN_SLOT_OPT in
+ CALL_EXPR
+
+ DECL_BY_REFERENCE in
+ PARM_DECL, RESULT_DECL
+
+ OMP_SECTION_LAST in
+ OMP_SECTION
+
+ OMP_PARALLEL_COMBINED in
+ OMP_PARALLEL
+ OMP_CLAUSE_PRIVATE_OUTER_REF in
+ OMP_CLAUSE_PRIVATE
protected_flag:
- TREE_VIA_PROTECTED in
- TREE_LIST
- TREE_VEC
TREE_PROTECTED in
BLOCK
- ..._DECL
+ all decls
+
+ CALL_FROM_THUNK_P in
+ CALL_EXPR
side_effects_flag:
TREE_SIDE_EFFECTS in
all expressions
+ all decls
+ all constants
+
+ FORCED_LABEL in
+ LABEL_DECL
volatile_flag:
TREE_THIS_VOLATILE in
all expressions
+ all decls
+
TYPE_VOLATILE in
- ..._TYPE
+ all types
readonly_flag:
TREE_READONLY in
all expressions
+ all decls
+
TYPE_READONLY in
- ..._TYPE
+ all types
constant_flag:
TREE_CONSTANT in
all expressions
+ all decls
+ all constants
+
+ TYPE_SIZES_GIMPLIFIED in
+ all types
unsigned_flag:
- TREE_UNSIGNED in
- INTEGER_TYPE, ENUMERAL_TYPE, FIELD_DECL
- DECL_BUILT_IN_NONANSI in
- FUNCTION_DECL
- SAVE_EXPR_NOPLACEHOLDER in
- SAVE_EXPR
+ TYPE_UNSIGNED in
+ all types
+
+ DECL_UNSIGNED in
+ all decls
+
+ REGISTER_DEFS_IN_THIS_STMT in
+ all expressions (tree-into-ssa.c)
asm_written_flag:
TREE_ASM_WRITTEN in
- VAR_DECL, FUNCTION_DECL, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE
- BLOCK
+ VAR_DECL, FUNCTION_DECL
+ RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE
+ BLOCK, SSA_NAME, STRING_CST
+
+ NECESSARY in
+ all expressions (tree-ssa-dce.c, tree-ssa-pre.c)
used_flag:
TREE_USED in
- expressions, IDENTIFIER_NODE
+ all expressions
+ all decls
+ IDENTIFIER_NODE
nothrow_flag:
TREE_NOTHROW in
- CALL_EXPR, FUNCTION_DECL
+ CALL_EXPR
+ FUNCTION_DECL
- bounded_flag:
+ TYPE_ALIGN_OK in
+ all types
- TREE_BOUNDED in
- expressions, VAR_DECL, PARM_DECL, FIELD_DECL, FUNCTION_DECL,
- IDENTIFIER_NODE
- TYPE_BOUNDED in
- ..._TYPE
+ TREE_THIS_NOTRAP in
+ (ALIGN/MISALIGNED_)INDIRECT_REF, ARRAY_REF, ARRAY_RANGE_REF
deprecated_flag:
- TREE_DEPRECATED in
- ..._DECL
+ TREE_DEPRECATED in
+ all decls
+
+ IDENTIFIER_TRANSPARENT_ALIAS in
+ IDENTIFIER_NODE
+
+ STMT_IN_SSA_EDGE_WORKLIST in
+ all expressions (tree-ssa-propagate.c)
+
+ visited:
+
+ TREE_VISITED in
+ all trees (used liberally by many passes)
+
+ saturating_flag:
+
+ TYPE_SATURATING in
+ all types
+
+ nowarning_flag:
+
+ TREE_NO_WARNING in
+ all expressions
+ all decls
+
+ default_def_flag:
+
+ SSA_NAME_IS_DEFAULT_DEF in
+ SSA_NAME
*/
+#undef DEFTREESTRUCT
+#define DEFTREESTRUCT(ENUM, NAME) ENUM,
+enum tree_node_structure_enum {
+#include "treestruct.def"
+ LAST_TS_ENUM
+};
+#undef DEFTREESTRUCT
+
/* 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)->common.code)
-#define TREE_SET_CODE(NODE, VALUE) \
-((NODE)->common.code = (ENUM_BITFIELD (tree_code)) (VALUE))
+#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 abort with a fatal error. */
+ is accessed incorrectly. The macros die with a fatal error. */
#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
-#define TREE_CHECK(t, code) __extension__ \
-({ const tree __t = (t); \
- if (TREE_CODE(__t) != (code)) \
- tree_check_failed (__t, code, __FILE__, __LINE__, __FUNCTION__); \
+#define TREE_CHECK(T, CODE) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) != (CODE)) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE), 0); \
__t; })
-#define TREE_CLASS_CHECK(t, class) __extension__ \
-({ const tree __t = (t); \
- if (TREE_CODE_CLASS(TREE_CODE(__t)) != (class)) \
- tree_class_check_failed (__t, class, __FILE__, __LINE__, \
- __FUNCTION__); \
+
+#define TREE_NOT_CHECK(T, CODE) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) == (CODE)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE), 0); \
__t; })
-/* These checks have to be special cased. */
-#define CST_OR_CONSTRUCTOR_CHECK(t) __extension__ \
-({ const tree __t = (t); \
- enum tree_code const __c = TREE_CODE(__t); \
- if (__c != CONSTRUCTOR && TREE_CODE_CLASS(__c) != 'c') \
- tree_check_failed (__t, CONSTRUCTOR, __FILE__, __LINE__, \
- __FUNCTION__); \
+#define TREE_CHECK2(T, CODE1, CODE2) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) != (CODE1) \
+ && TREE_CODE (__t) != (CODE2)) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), 0); \
__t; })
-#define EXPR_CHECK(t) __extension__ \
-({ const tree __t = (t); \
- char const __c = TREE_CODE_CLASS(TREE_CODE(__t)); \
- if (__c != 'r' && __c != 's' && __c != '<' \
- && __c != '1' && __c != '2' && __c != 'e') \
- tree_class_check_failed (__t, 'e', __FILE__, __LINE__, \
- __FUNCTION__); \
+
+#define TREE_NOT_CHECK2(T, CODE1, CODE2) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) == (CODE1) \
+ || TREE_CODE (__t) == (CODE2)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), 0); \
__t; })
-extern void tree_check_failed PARAMS ((const tree, enum tree_code,
- const char *, int, const char *))
- ATTRIBUTE_NORETURN;
-extern void tree_class_check_failed PARAMS ((const tree, int,
- const char *, int, const char *))
- ATTRIBUTE_NORETURN;
+#define TREE_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) != (CODE1) \
+ && TREE_CODE (__t) != (CODE2) \
+ && TREE_CODE (__t) != (CODE3)) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), 0); \
+ __t; })
-#else /* not ENABLE_TREE_CHECKING, or not gcc */
+#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) == (CODE1) \
+ || TREE_CODE (__t) == (CODE2) \
+ || TREE_CODE (__t) == (CODE3)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), 0); \
+ __t; })
-#define TREE_CHECK(t, code) (t)
-#define TREE_CLASS_CHECK(t, code) (t)
-#define CST_OR_CONSTRUCTOR_CHECK(t) (t)
-#define EXPR_CHECK(t) (t)
+#define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) != (CODE1) \
+ && TREE_CODE (__t) != (CODE2) \
+ && TREE_CODE (__t) != (CODE3) \
+ && TREE_CODE (__t) != (CODE4)) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), (CODE4), 0); \
+ __t; })
-#endif
+#define NON_TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) == (CODE1) \
+ || TREE_CODE (__t) == (CODE2) \
+ || TREE_CODE (__t) == (CODE3) \
+ || TREE_CODE (__t) == (CODE4)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), (CODE4), 0); \
+ __t; })
-#include "tree-check.h"
+#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) != (CODE1) \
+ && TREE_CODE (__t) != (CODE2) \
+ && TREE_CODE (__t) != (CODE3) \
+ && TREE_CODE (__t) != (CODE4) \
+ && TREE_CODE (__t) != (CODE5)) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), (CODE4), (CODE5), 0);\
+ __t; })
-#define TYPE_CHECK(tree) TREE_CLASS_CHECK (tree, 't')
-#define DECL_CHECK(tree) TREE_CLASS_CHECK (tree, 'd')
-#define CST_CHECK(tree) TREE_CLASS_CHECK (tree, 'c')
+#define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) == (CODE1) \
+ || TREE_CODE (__t) == (CODE2) \
+ || TREE_CODE (__t) == (CODE3) \
+ || TREE_CODE (__t) == (CODE4) \
+ || TREE_CODE (__t) == (CODE5)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), (CODE4), (CODE5), 0);\
+ __t; })
-/* 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) ((NODE)->common.type)
+#define CONTAINS_STRUCT_CHECK(T, STRUCT) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (tree_contains_struct[TREE_CODE(__t)][(STRUCT)] != 1) \
+ tree_contains_struct_check_failed (__t, (STRUCT), __FILE__, __LINE__, \
+ __FUNCTION__); \
+ __t; })
-/* Here is how primitive or already-canonicalized types' hash codes
- are made. */
-#define TYPE_HASH(TYPE) ((size_t) (TYPE) & 0777777)
+#define TREE_CLASS_CHECK(T, CLASS) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE_CLASS (TREE_CODE(__t)) != (CLASS)) \
+ tree_class_check_failed (__t, (CLASS), __FILE__, __LINE__, \
+ __FUNCTION__); \
+ __t; })
+
+#define TREE_RANGE_CHECK(T, CODE1, CODE2) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) < (CODE1) || TREE_CODE (__t) > (CODE2)) \
+ tree_range_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2)); \
+ __t; })
+
+#define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) != OMP_CLAUSE) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ OMP_CLAUSE, 0); \
+ if (__t->omp_clause.code != (CODE)) \
+ omp_clause_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE)); \
+ __t; })
+
+#define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TREE_CODE (__t) != OMP_CLAUSE) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ OMP_CLAUSE, 0); \
+ if ((int) __t->omp_clause.code < (int) (CODE1) \
+ || (int) __t->omp_clause.code > (int) (CODE2)) \
+ omp_clause_range_check_failed (__t, __FILE__, __LINE__, \
+ __FUNCTION__, (CODE1), (CODE2)); \
+ __t; })
+
+/* These checks have to be special cased. */
+#define EXPR_CHECK(T) __extension__ \
+({ __typeof (T) const __t = (T); \
+ char const __c = TREE_CODE_CLASS (TREE_CODE (__t)); \
+ if (!IS_EXPR_CODE_CLASS (__c)) \
+ tree_class_check_failed (__t, tcc_expression, __FILE__, __LINE__, \
+ __FUNCTION__); \
+ __t; })
+
+/* These checks have to be special cased. */
+#define NON_TYPE_CHECK(T) __extension__ \
+({ __typeof (T) const __t = (T); \
+ if (TYPE_P (__t)) \
+ tree_not_class_check_failed (__t, tcc_type, __FILE__, __LINE__, \
+ __FUNCTION__); \
+ __t; })
+
+#define TREE_VEC_ELT_CHECK(T, I) __extension__ \
+(*({__typeof (T) const __t = (T); \
+ const int __i = (I); \
+ if (TREE_CODE (__t) != TREE_VEC) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ TREE_VEC, 0); \
+ if (__i < 0 || __i >= __t->vec.length) \
+ tree_vec_elt_check_failed (__i, __t->vec.length, \
+ __FILE__, __LINE__, __FUNCTION__); \
+ &__t->vec.a[__i]; }))
+
+#define OMP_CLAUSE_ELT_CHECK(T, I) __extension__ \
+(*({__typeof (T) const __t = (T); \
+ const int __i = (I); \
+ if (TREE_CODE (__t) != OMP_CLAUSE) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ OMP_CLAUSE, 0); \
+ if (__i < 0 || __i >= omp_clause_num_ops [__t->omp_clause.code]) \
+ omp_clause_operand_check_failed (__i, __t, __FILE__, __LINE__, \
+ __FUNCTION__); \
+ &__t->omp_clause.ops[__i]; }))
+
+/* Special checks for TREE_OPERANDs. */
+#define TREE_OPERAND_CHECK(T, I) __extension__ \
+(*({__typeof (T) const __t = EXPR_CHECK (T); \
+ const int __i = (I); \
+ if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
+ tree_operand_check_failed (__i, __t, \
+ __FILE__, __LINE__, __FUNCTION__); \
+ &__t->exp.operands[__i]; }))
+
+#define TREE_OPERAND_CHECK_CODE(T, CODE, I) __extension__ \
+(*({__typeof (T) const __t = (T); \
+ const int __i = (I); \
+ if (TREE_CODE (__t) != CODE) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0);\
+ if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
+ tree_operand_check_failed (__i, __t, \
+ __FILE__, __LINE__, __FUNCTION__); \
+ &__t->exp.operands[__i]; }))
+
+#define TREE_RTL_OPERAND_CHECK(T, CODE, I) __extension__ \
+(*(rtx *) \
+ ({__typeof (T) const __t = (T); \
+ const int __i = (I); \
+ if (TREE_CODE (__t) != (CODE)) \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0); \
+ if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
+ tree_operand_check_failed (__i, __t, \
+ __FILE__, __LINE__, __FUNCTION__); \
+ &__t->exp.operands[__i]; }))
/* Nodes are chained together for many purposes.
Types are chained together to record them for being output to the debugger
Often lists of things are represented by TREE_LIST nodes that
are chained together. */
+#define TREE_CHAIN(NODE) __extension__ \
+(*({__typeof (NODE) const __t = (NODE); \
+ &__t->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) __extension__ \
+(*({__typeof (NODE) const __t = (NODE); \
+ &__t->common.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);
+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 TREE_RTL_OPERAND_CHECK(T, CODE, I) (*(rtx *) &((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)->common.type)
+
+#endif
+
+#define TREE_BLOCK(NODE) *(tree_block (NODE))
+
+#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 TREE_MEMORY_TAG_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_MEMORY_TAG)
+#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 NON_LVALUE_EXPRs and NOP_EXPRs
that don't change the machine mode. */
#define STRIP_NOPS(EXP) \
- while ((TREE_CODE (EXP) == NOP_EXPR \
- || TREE_CODE (EXP) == CONVERT_EXPR \
+ while ((CONVERT_EXPR_P (EXP) \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TYPE_MODE (TREE_TYPE (EXP)) \
- == TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
+ == TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Like STRIP_NOPS, but don't let the signedness change either. */
#define STRIP_SIGN_NOPS(EXP) \
- while ((TREE_CODE (EXP) == NOP_EXPR \
- || TREE_CODE (EXP) == CONVERT_EXPR \
+ while ((CONVERT_EXPR_P (EXP) \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TYPE_MODE (TREE_TYPE (EXP)) \
== TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
- && (TREE_UNSIGNED (TREE_TYPE (EXP)) \
- == TREE_UNSIGNED (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
+ && (TYPE_UNSIGNED (TREE_TYPE (EXP)) \
+ == TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
+ && (POINTER_TYPE_P (TREE_TYPE (EXP)) \
+ == POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Like STRIP_NOPS, but don't alter the TREE_TYPE either. */
#define STRIP_TYPE_NOPS(EXP) \
- while ((TREE_CODE (EXP) == NOP_EXPR \
- || TREE_CODE (EXP) == CONVERT_EXPR \
+ 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) \
+ while (tree_ssa_useless_type_conversion (EXP)) \
+ EXP = TREE_OPERAND (EXP, 0)
+
/* Nonzero if TYPE represents an integral type. Note that we do not
- include COMPLEX types here. */
+ include COMPLEX types here. Keep these checks in ascending code
+ order. */
#define INTEGRAL_TYPE_P(TYPE) \
- (TREE_CODE (TYPE) == INTEGER_TYPE || TREE_CODE (TYPE) == ENUMERAL_TYPE \
- || TREE_CODE (TYPE) == BOOLEAN_TYPE || TREE_CODE (TYPE) == CHAR_TYPE)
+ (TREE_CODE (TYPE) == ENUMERAL_TYPE \
+ || TREE_CODE (TYPE) == BOOLEAN_TYPE \
+ || TREE_CODE (TYPE) == INTEGER_TYPE)
-/* Nonzero if TYPE represents a floating-point type, including complex
- floating-point types. */
+/* Nonzero if TYPE represents a non-saturating fixed-point type. */
-#define FLOAT_TYPE_P(TYPE) \
- (TREE_CODE (TYPE) == REAL_TYPE \
- || (TREE_CODE (TYPE) == COMPLEX_TYPE \
- && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE))
+#define NON_SAT_FIXED_POINT_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == FIXED_POINT_TYPE && !TYPE_SATURATING (TYPE))
-/* Nonzero if TYPE represents an aggregate (multi-component) type. */
+/* Nonzero if TYPE represents a saturating fixed-point type. */
-#define AGGREGATE_TYPE_P(TYPE) \
- (TREE_CODE (TYPE) == ARRAY_TYPE || TREE_CODE (TYPE) == RECORD_TYPE \
- || TREE_CODE (TYPE) == UNION_TYPE || TREE_CODE (TYPE) == QUAL_UNION_TYPE \
- || TREE_CODE (TYPE) == SET_TYPE)
+#define SAT_FIXED_POINT_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == FIXED_POINT_TYPE && TYPE_SATURATING (TYPE))
-/* Nonzero if TYPE represents an unbounded pointer or unbounded
- reference type. (It should be renamed to INDIRECT_TYPE_P.) */
+/* Nonzero if TYPE represents a fixed-point type. */
-#define POINTER_TYPE_P(TYPE) \
- (TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
+#define FIXED_POINT_TYPE_P(TYPE) (TREE_CODE (TYPE) == FIXED_POINT_TYPE)
-/* Nonzero if TYPE represents a bounded pointer or bounded reference type. */
+/* Nonzero if TYPE represents a scalar floating-point type. */
-#define BOUNDED_INDIRECT_TYPE_P(TYPE) \
- (TREE_CODE (TYPE) == RECORD_TYPE && TREE_TYPE (TYPE))
+#define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
-/* Nonzero if TYPE represents a bounded pointer type. */
+/* Nonzero if TYPE represents a complex floating-point type. */
-#define BOUNDED_POINTER_TYPE_P(TYPE) \
- (BOUNDED_INDIRECT_TYPE_P (TYPE) \
- && TREE_CODE (TYPE_BOUNDED_SUBTYPE (TYPE)) == POINTER_TYPE)
+#define COMPLEX_FLOAT_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == COMPLEX_TYPE \
+ && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
-/* Nonzero if TYPE represents a bounded reference type. Bounded
- reference types have two specific uses: (1) When a reference is
- seated to a variable-length RECORD_TYPE that has an array of
- indeterminate length as its final field. For all other objects, it
- is sufficient to check bounds at the time the reference is seated,
- and assume that all future uses of the reference are safe, since
- the address of references cannot change. (2) When a reference
- supertype is seated to an subtype object. The bounds "remember"
- the true size of the complete object, so that subsequent upcasts of
- the address of the reference will be checked properly (is such a
- thing valid C++?). */
+/* Nonzero if TYPE represents a vector floating-point type. */
-#define BOUNDED_REFERENCE_TYPE_P(TYPE) \
- (BOUNDED_INDIRECT_TYPE_P (TYPE) \
- && TREE_CODE (TYPE_BOUNDED_SUBTYPE (TYPE)) == REFERENCE_TYPE)
+#define VECTOR_FLOAT_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == VECTOR_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. */
-/* Nonzero if TYPE represents a pointer or reference type, either
- bounded or unbounded. */
+#define FLOAT_TYPE_P(TYPE) \
+ (SCALAR_FLOAT_TYPE_P (TYPE) \
+ || ((TREE_CODE (TYPE) == COMPLEX_TYPE \
+ || TREE_CODE (TYPE) == VECTOR_TYPE) \
+ && SCALAR_FLOAT_TYPE_P (TREE_TYPE (TYPE))))
-#define MAYBE_BOUNDED_INDIRECT_TYPE_P(TYPE) \
- (POINTER_TYPE_P (TYPE) || BOUNDED_INDIRECT_TYPE_P (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 represents a pointer type, either bounded or unbounded. */
+/* Nonzero if TYPE represents an aggregate (multi-component) type.
+ Keep these checks in ascending code order. */
-#define MAYBE_BOUNDED_POINTER_TYPE_P(TYPE) \
- (TREE_CODE (TYPE) == POINTER_TYPE || BOUNDED_POINTER_TYPE_P (TYPE))
+#define AGGREGATE_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == ARRAY_TYPE || TREE_CODE (TYPE) == RECORD_TYPE \
+ || TREE_CODE (TYPE) == UNION_TYPE || TREE_CODE (TYPE) == QUAL_UNION_TYPE)
-/* Nonzero if TYPE represents a reference type, either bounded or
- unbounded. */
+/* 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 MAYBE_BOUNDED_REFERENCE_TYPE_P(TYPE) \
- (TREE_CODE (TYPE) == REFERENCE_TYPE || BOUNDED_REFERENCE_TYPE_P (TYPE))
+#define POINTER_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
/* Nonzero if this type is a complete type. */
#define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
#define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
(COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
-/* Nonzero if TYPE represents a type. */
-
-#define TYPE_P(TYPE) (TREE_CODE_CLASS (TREE_CODE (TYPE)) == 't')
\f
/* Define many boolean fields that all tree nodes have. */
construct the address of this field. This is used for aliasing
purposes: see record_component_aliases.
In CONSTRUCTOR nodes, it means object constructed must be in memory.
- In LABEL_DECL nodes, it means a goto for this label has been seen
+ 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 ..._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.
In IDENTIFIER_NODEs, this means that some extern decl for this name
had its address taken. That matters for inline functions. */
-#define TREE_ADDRESSABLE(NODE) ((NODE)->common.addressable_flag)
+#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) \
+ (PREDICT_EXPR_CHECK(NODE)->base.addressable_flag)
+#define PREDICT_EXPR_PREDICTOR(NODE) \
+ ((enum br_predictor)tree_low_cst (TREE_OPERAND (PREDICT_EXPR_CHECK (NODE), 0), 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)->common.static_flag)
+#define TREE_STATIC(NODE) ((NODE)->base.static_flag)
-/* In a TARGET_EXPR, WITH_CLEANUP_EXPR, CLEANUP_STMT, or element of a
- block's cleanup list, 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)->common.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 CONVERT_EXPR, NOP_EXPR or COMPOUND_EXPR, this means the node was
- made implicitly and should not lead to an "unused value" warning. */
-#define TREE_NO_UNUSED_WARNING(NODE) ((NODE)->common.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)
-/* Nonzero for a TREE_LIST or TREE_VEC node means that the derivation
- chain is via a `virtual' declaration. */
-#define TREE_VIA_VIRTUAL(NODE) ((NODE)->common.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)
-/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST this means
- there was an overflow in folding. This is distinct from
- TREE_OVERFLOW because ANSI C requires a diagnostic when overflows
- occur in constant expressions. */
-#define TREE_CONSTANT_OVERFLOW(NODE) ((NODE)->common.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 a CALL_EXPR as not suitable for inlining. */
+#define CALL_CANNOT_INLINE_P(NODE) (CALL_EXPR_CHECK (NODE)->base.static_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)
/* 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)->common.static_flag)
+ (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 a MODIFY_EXPR, means that the store in the expression is nontemporal. */
+#define MOVE_NONTEMPORAL(NODE) \
+ (EXPR_CHECK (NODE)->base.static_flag)
/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means
- there was an overflow in folding, and no warning has been issued
- for this subexpression. TREE_OVERFLOW implies
- TREE_CONSTANT_OVERFLOW, but not vice versa. */
-#define TREE_OVERFLOW(NODE) ((NODE)->common.public_flag)
+ there was an overflow in folding. */
-/* In a VAR_DECL or FUNCTION_DECL,
- nonzero means name is to be accessible from outside this module.
- In an IDENTIFIER_NODE, nonzero means an external declaration
- accessible from outside this module was previously seen
- for this name in an inner scope. */
-#define TREE_PUBLIC(NODE) ((NODE)->common.public_flag)
+#define TREE_OVERFLOW(NODE) (CST_CHECK (NODE)->base.public_flag)
-/* Nonzero for TREE_LIST or TREE_VEC node means that the path to the
- base class is via a `public' declaration, which preserves public
- fields from the base class as public. */
-#define TREE_VIA_PUBLIC(NODE) ((NODE)->common.public_flag)
+/* ??? This is an obsolete synonym for TREE_OVERFLOW. */
+#define TREE_CONSTANT_OVERFLOW(NODE) TREE_OVERFLOW(NODE)
-/* Ditto, for `private' declarations. */
-#define TREE_VIA_PRIVATE(NODE) ((NODE)->common.private_flag)
+/* TREE_OVERFLOW can only be true for EXPR of CONSTANT_CLASS_P. */
-/* Nonzero for TREE_LIST or TREE_VEC node means that the path to the
- base class is via a `protected' declaration, which preserves
- protected fields from the base class as protected.
- OVERLOADED. */
-#define TREE_VIA_PROTECTED(NODE) ((NODE)->common.protected_flag)
+#define TREE_OVERFLOW_P(EXPR) \
+ (CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
-/* In any expression, 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'. */
-#define TREE_SIDE_EFFECTS(NODE) ((NODE)->common.side_effects_flag)
+/* 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)->common.volatile_flag)
+#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. Similarly for
+ ALIGN_INDIRECT_REF and MISALIGNED_INDIRECT_REF.
+
+ 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) ((NODE)->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.
- In a ..._TYPE node, means this type is const-qualified
- (but the macro TYPE_READONLY should be used instead of this macro
- when the node is a type). */
-#define TREE_READONLY(NODE) ((NODE)->common.readonly_flag)
-
-/* Non-zero if NODE is a _DECL with TREE_READONLY set. */
-#define TREE_READONLY_DECL_P(NODE) (TREE_READONLY (NODE) && DECL_P (NODE))
-
-/* Value of expression is constant.
- Always appears in all ..._CST nodes.
- May also appear in an arithmetic expression, an ADDR_EXPR or a CONSTRUCTOR
- if the value is constant. */
-#define TREE_CONSTANT(NODE) ((NODE)->common.constant_flag)
-
-/* In INTEGER_TYPE or ENUMERAL_TYPE nodes, means an unsigned type.
- In FIELD_DECL nodes, means an unsigned bit field.
- The same bit is used in functions as DECL_BUILT_IN_NONANSI. */
-#define TREE_UNSIGNED(NODE) ((NODE)->common.unsigned_flag)
-
-#define TYPE_TRAP_SIGNED(NODE) \
- (flag_trapv && ! TREE_UNSIGNED (TYPE_CHECK (NODE)))
-
-/* Nonzero in a VAR_DECL means assembler code has been written.
+ 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.unsigned_flag)
+
+/* In integral and pointer types, means an unsigned type. */
+#define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->base.unsigned_flag)
+
+/* 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 or ENUMERAL_TYPE
if the sdb debugging info for the type has been written.
- In a BLOCK node, nonzero if reorder_blocks has already seen this block. */
-#define TREE_ASM_WRITTEN(NODE) ((NODE)->common.asm_written_flag)
+ 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. */
-#define TREE_USED(NODE) ((NODE)->common.used_flag)
+ 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. */
-#define TREE_NOTHROW(NODE) ((NODE)->common.nothrow_flag)
+#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)
+
+/* In a RESULT_DECL or PARM_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) (DECL_COMMON_CHECK (NODE)->base.private_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 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. */
-#define TYPE_ALIGN_OK(NODE) (TYPE_CHECK (NODE)->common.nothrow_flag)
+ 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)->common.private_flag)
-/* Used in classes in C++.
- In a BLOCK node, this is BLOCK_HANDLER_BLOCK. */
-#define TREE_PROTECTED(NODE) ((NODE)->common.protected_flag)
-
-/* In a ..._TYPE node, nonzero means that the type's size and layout,
- (or the size and layout of its arguments and/or return value in the
- case of a FUNCTION_TYPE or METHOD_TYPE) was changed by the presence
- of pointer bounds. Use TYPE_BOUNDED instead of this macro when the
- node is a type, because eventually we may make that a different
- bit. TYPE_BOUNDED doesn't mean that this type is a bounded indirect
- type--use BOUNDED_POINTER_TYPE_P, BOUNDED_REFERENCE_TYPE_P,
- BOUNDED_INDIRECT_TYPE_P to test for that.
-
- In a FUNCTION_DECL, nonzero means that the size and layout of one
- of its arguments and/or return value was changed by the presence of
- pointer bounds. This value can differ from the value of
- TYPE_BOUNDED (TREE_TYPE (fundecl)) if the function was implicitly
- declared, then later called with pointer args, or was declared with
- a variable argument list and is later called with pointer values in
- the variable argument list.
-
- In a VAR_DECL, PARM_DECL or FIELD_DECL, TREE_BOUNDED matches the value
- of the decl's type's BOUNDED_POINTER_TYPE_P.
-
- In a CONSTRUCTOR or other expression, nonzero means the value is a
- bounded pointer. It is insufficient to determine the boundedness
- of an expression EXP with BOUNDED_POINTER_TYPE_P (TREE_TYPE (EXP)),
- since we allow pointer to be temporarily cast to integer for
- rounding up to an alignment boudary in a way that preserves the
- pointer's bounds.
-
- In an IDENTIFIER_NODE, nonzero means that the name is prefixed with
- BP_PREFIX (see varasm.c). This occurs for the DECL_ASSEMBLER_NAME
- of a function that has bounded pointer(s) for its return type and/or
- argument type(s). */
-
-#define TREE_BOUNDED(NODE) ((NODE)->common.bounded_flag)
-
-/* Nonzero in a IDENTIFIER_NODE if the use of the name is defined as a
+#define TREE_PRIVATE(NODE) ((NODE)->base.private_flag)
+/* Used in classes in C++. */
+#define TREE_PROTECTED(NODE) ((NODE)->base.protected_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)->common.deprecated_flag)
+#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) ((NODE)->base.saturating_flag)
/* These flags are available for each language front end to use internally. */
-#define TREE_LANG_FLAG_0(NODE) ((NODE)->common.lang_flag_0)
-#define TREE_LANG_FLAG_1(NODE) ((NODE)->common.lang_flag_1)
-#define TREE_LANG_FLAG_2(NODE) ((NODE)->common.lang_flag_2)
-#define TREE_LANG_FLAG_3(NODE) ((NODE)->common.lang_flag_3)
-#define TREE_LANG_FLAG_4(NODE) ((NODE)->common.lang_flag_4)
-#define TREE_LANG_FLAG_5(NODE) ((NODE)->common.lang_flag_5)
-#define TREE_LANG_FLAG_6(NODE) ((NODE)->common.lang_flag_6)
+#define TREE_LANG_FLAG_0(NODE) ((NODE)->base.lang_flag_0)
+#define TREE_LANG_FLAG_1(NODE) ((NODE)->base.lang_flag_1)
+#define TREE_LANG_FLAG_2(NODE) ((NODE)->base.lang_flag_2)
+#define TREE_LANG_FLAG_3(NODE) ((NODE)->base.lang_flag_3)
+#define TREE_LANG_FLAG_4(NODE) ((NODE)->base.lang_flag_4)
+#define TREE_LANG_FLAG_5(NODE) ((NODE)->base.lang_flag_5)
+#define TREE_LANG_FLAG_6(NODE) ((NODE)->base.lang_flag_6)
\f
/* Define additional fields and accessors for nodes representing constants. */
(((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)) \
+ == (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
&& TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
-
-struct tree_int_cst
+
+struct tree_int_cst GTY(())
{
struct tree_common common;
- rtx rtl; /* acts as link to register transfer language
- (rtl) info */
- /* A sub-struct is necessary here because the function `const_hash'
- wants to scan both words as a unit and taking the address of the
- sub-struct yields the properly inclusive bounded pointer. */
- struct {
- unsigned HOST_WIDE_INT low;
- HOST_WIDE_INT high;
- } int_cst;
+ double_int int_cst;
};
-/* In REAL_CST, STRING_CST, COMPLEX_CST, VECTOR_CST nodes, and
- CONSTRUCTOR nodes, and generally in all kinds of constants that
- could be given labels (rather than being immediate). */
-
-#define TREE_CST_RTL(NODE) (CST_OR_CONSTRUCTOR_CHECK (NODE)->real_cst.rtl)
+/* In a REAL_CST node. struct real_value is an opaque entity, with
+ manipulators defined in real.h. We don't want tree.h depending on
+ real.h and transitively on tm.h. */
+struct real_value;
-/* In a REAL_CST node.
+#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))
- We can represent a real value as either a `double' or an array of
- longs. */
+struct tree_real_cst GTY(())
+{
+ struct tree_common common;
+ struct real_value * real_cst_ptr;
+};
-#define TREE_REAL_CST(NODE) (REAL_CST_CHECK (NODE)->real_cst.real_cst)
+/* In a FIXED_CST node. */
+struct fixed_value;
-#include "real.h"
+#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))
-struct tree_real_cst
+struct tree_fixed_cst GTY(())
{
struct tree_common common;
- rtx rtl; /* acts as link to register transfer language (rtl) info */
- REAL_VALUE_TYPE real_cst;
+ struct fixed_value * fixed_cst_ptr;
};
/* In a STRING_CST */
#define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
-#define TREE_STRING_POINTER(NODE) (STRING_CST_CHECK (NODE)->string.pointer)
+#define TREE_STRING_POINTER(NODE) \
+ ((const char *)(STRING_CST_CHECK (NODE)->string.str))
-struct tree_string
+struct tree_string GTY(())
{
struct tree_common common;
- rtx rtl; /* acts as link to register transfer language (rtl) info */
int length;
- const char *pointer;
+ char str[1];
};
/* 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)
-struct tree_complex
+struct tree_complex GTY(())
{
struct tree_common common;
- rtx rtl; /* acts as link to register transfer language (rtl) info */
tree real;
tree imag;
};
/* In a VECTOR_CST node. */
#define TREE_VECTOR_CST_ELTS(NODE) (VECTOR_CST_CHECK (NODE)->vector.elements)
-struct tree_vector
+struct tree_vector GTY(())
{
struct tree_common common;
- rtx rtl;
tree elements;
};
\f
-#include "hashtable.h"
+#include "symtab.h"
/* Define fields and accessors for some special-purpose tree nodes. */
(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. */
((tree) ((char *) (NODE) - sizeof (struct tree_common)))
#define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
-struct tree_identifier
+struct tree_identifier GTY(())
{
struct tree_common common;
struct ht_identifier id;
#define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
#define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
-struct tree_list
+struct tree_list GTY(())
{
struct tree_common common;
tree purpose;
/* In a TREE_VEC node. */
#define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->vec.length)
-#define TREE_VEC_ELT(NODE,I) (TREE_VEC_CHECK (NODE)->vec.a[I])
#define TREE_VEC_END(NODE) \
((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->vec.length]))
-struct tree_vec
+#define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
+
+struct tree_vec GTY(())
{
struct tree_common common;
int length;
- tree a[1];
+ tree GTY ((length ("TREE_VEC_LENGTH ((tree)&%h)"))) a[1];
};
-/* Define fields and accessors for some nodes that represent expressions. */
-
-/* In a SAVE_EXPR node. */
-#define SAVE_EXPR_CONTEXT(NODE) TREE_OPERAND (SAVE_EXPR_CHECK (NODE), 1)
-#define SAVE_EXPR_RTL(NODE) (*(rtx *) &SAVE_EXPR_CHECK (NODE)->exp.operands[2])
-#define SAVE_EXPR_NOPLACEHOLDER(NODE) TREE_UNSIGNED (SAVE_EXPR_CHECK (NODE))
-/* Nonzero if the SAVE_EXPRs value should be kept, even if it occurs
- both in normal code and in a handler. (Normally, in a handler, all
- SAVE_EXPRs are unsaved, meaning that there values are
- recalculated.) */
-#define SAVE_EXPR_PERSISTENT_P(NODE) TREE_ASM_WRITTEN (SAVE_EXPR_CHECK (NODE))
-
-/* In a RTL_EXPR node. */
-#define RTL_EXPR_SEQUENCE(NODE) \
- (*(rtx *) &RTL_EXPR_CHECK (NODE)->exp.operands[0])
-#define RTL_EXPR_RTL(NODE) (*(rtx *) &RTL_EXPR_CHECK (NODE)->exp.operands[1])
-
-/* In a WITH_CLEANUP_EXPR node. */
-#define WITH_CLEANUP_EXPR_RTL(NODE) \
- (*(rtx *) &WITH_CLEANUP_EXPR_CHECK (NODE)->exp.operands[2])
-
/* In a CONSTRUCTOR node. */
-#define CONSTRUCTOR_ELTS(NODE) TREE_OPERAND (CONSTRUCTOR_CHECK (NODE), 1)
+#define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
+#define CONSTRUCTOR_ELT(NODE,IDX) \
+ (VEC_index (constructor_elt, CONSTRUCTOR_ELTS (NODE), IDX))
+#define CONSTRUCTOR_NELTS(NODE) (VEC_length (constructor_elt, CONSTRUCTOR_ELTS (NODE)))
+
+/* 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_length (constructor_elt, V)) \
+ ? false \
+ : ((VAL = VEC_index (constructor_elt, 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_length (constructor_elt, V)) \
+ ? false \
+ : ((VAL = VEC_index (constructor_elt, V, IX)->value), \
+ (INDEX = VEC_index (constructor_elt, 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___ = VEC_safe_push (constructor_elt, gc, V, NULL); \
+ _ce___->index = INDEX; \
+ _ce___->value = VALUE; \
+ } while (0)
+
+/* A single element of a CONSTRUCTOR. VALUE holds the actual value of the
+ element. INDEX can optionally design the position of VALUE: in arrays,
+ it is the index where VALUE has to be placed; in structures, it is the
+ FIELD_DECL of the member. */
+typedef struct constructor_elt_d GTY(())
+{
+ tree index;
+ tree value;
+} constructor_elt;
-/* In ordinary expression nodes. */
-#define TREE_OPERAND(NODE, I) (EXPR_CHECK (NODE)->exp.operands[I])
-#define TREE_COMPLEXITY(NODE) (EXPR_CHECK (NODE)->exp.complexity)
+DEF_VEC_O(constructor_elt);
+DEF_VEC_ALLOC_O(constructor_elt,gc);
+
+struct tree_constructor GTY(())
+{
+ struct tree_common common;
+ VEC(constructor_elt,gc) *elts;
+};
-/* In a LABELED_BLOCK_EXPR node. */
-#define LABELED_BLOCK_LABEL(NODE) \
- TREE_OPERAND (LABELED_BLOCK_EXPR_CHECK (NODE), 0)
-#define LABELED_BLOCK_BODY(NODE) \
- TREE_OPERAND (LABELED_BLOCK_EXPR_CHECK (NODE), 1)
+/* Define fields and accessors for some nodes that represent expressions. */
-/* In a EXIT_BLOCK_EXPR node. */
-#define EXIT_BLOCK_LABELED_BLOCK(NODE) \
- TREE_OPERAND (EXIT_BLOCK_EXPR_CHECK (NODE), 0)
-#define EXIT_BLOCK_RETURN(NODE) TREE_OPERAND (EXIT_BLOCK_EXPR_CHECK (NODE), 1)
+/* 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]))
/* In a LOOP_EXPR node. */
-#define LOOP_EXPR_BODY(NODE) TREE_OPERAND (LOOP_EXPR_CHECK (NODE), 0)
-
-/* In a EXPR_WITH_FILE_LOCATION node. */
-#define EXPR_WFL_EMIT_LINE_NOTE(NODE) \
- (EXPR_WITH_FILE_LOCATION_CHECK (NODE)->common.public_flag)
-#define EXPR_WFL_NODE(NODE) \
- TREE_OPERAND (EXPR_WITH_FILE_LOCATION_CHECK (NODE), 0)
-#define EXPR_WFL_FILENAME_NODE(NODE) \
- TREE_OPERAND (EXPR_WITH_FILE_LOCATION_CHECK (NODE), 1)
-#define EXPR_WFL_FILENAME(NODE) \
- IDENTIFIER_POINTER (EXPR_WFL_FILENAME_NODE (NODE))
-/* ??? Java uses this in all expressions. */
-#define EXPR_WFL_LINECOL(NODE) (EXPR_CHECK (NODE)->exp.complexity)
-#define EXPR_WFL_LINENO(NODE) (EXPR_WFL_LINECOL (NODE) >> 12)
-#define EXPR_WFL_COLNO(NODE) (EXPR_WFL_LINECOL (NODE) & 0xfff)
-#define EXPR_WFL_SET_LINECOL(NODE, LINE, COL) \
- (EXPR_WFL_LINECOL(NODE) = ((LINE) << 12) | ((COL) & 0xfff))
-
-struct tree_exp
+#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) (EXPR_P ((NODE)) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
+#define SET_EXPR_LOCATION(NODE, LOCUS) EXPR_CHECK ((NODE))->exp.locus = (LOCUS)
+#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCATION (NODE) != UNKNOWN_LOCATION)
+#define EXPR_LOCUS(NODE) (EXPR_P (NODE) \
+ ? CONST_CAST (source_location *, &(NODE)->exp.locus) \
+ : (source_location *) NULL)
+#define SET_EXPR_LOCUS(NODE, FROM) set_expr_locus ((NODE), (FROM))
+#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) (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)
+
+/* 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)
+
+/* The operands of a TARGET_MEM_REF. */
+#define TMR_SYMBOL(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 0))
+#define TMR_BASE(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_OFFSET(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 4))
+#define TMR_ORIGINAL(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 5))
+#define TMR_TAG(NODE) (TREE_OPERAND (TARGET_MEM_REF_CHECK (NODE), 6))
+
+/* 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)
+/* 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)
+
+/* VDEF_EXPR accessors are specified in tree-flow.h, along with the other
+ accessors for SSA operands. */
+
+/* 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)
+#define EH_FILTER_MUST_NOT_THROW(NODE) \
+ (EH_FILTER_EXPR_CHECK (NODE)->base.static_flag)
+
+/* CHANGE_DYNAMIC_TYPE_EXPR accessors. */
+#define CHANGE_DYNAMIC_TYPE_NEW_TYPE(NODE) \
+ TREE_OPERAND (CHANGE_DYNAMIC_TYPE_EXPR_CHECK (NODE), 0)
+#define CHANGE_DYNAMIC_TYPE_LOCATION(NODE) \
+ TREE_OPERAND (CHANGE_DYNAMIC_TYPE_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_ARGS(NODE) call_expr_arglist (NODE)
+#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)
+
+/* 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_FOR_BODY(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 0)
+#define OMP_FOR_CLAUSES(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 1)
+#define OMP_FOR_INIT(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 2)
+#define OMP_FOR_COND(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 3)
+#define OMP_FOR_INCR(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 4)
+#define OMP_FOR_PRE_BODY(NODE) TREE_OPERAND (OMP_FOR_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_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_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_COPYPRIVATE), 0)
+
+/* 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 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_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_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)
+
+enum omp_clause_schedule_kind
+{
+ OMP_CLAUSE_SCHEDULE_STATIC,
+ OMP_CLAUSE_SCHEDULE_DYNAMIC,
+ OMP_CLAUSE_SCHEDULE_GUIDED,
+ OMP_CLAUSE_SCHEDULE_AUTO,
+ OMP_CLAUSE_SCHEDULE_RUNTIME
+};
+
+#define OMP_CLAUSE_SCHEDULE_KIND(NODE) \
+ (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE)->omp_clause.subcode.schedule_kind)
+
+enum omp_clause_default_kind
+{
+ OMP_CLAUSE_DEFAULT_UNSPECIFIED,
+ OMP_CLAUSE_DEFAULT_SHARED,
+ OMP_CLAUSE_DEFAULT_NONE,
+ OMP_CLAUSE_DEFAULT_PRIVATE,
+ OMP_CLAUSE_DEFAULT_FIRSTPRIVATE
+};
+
+#define OMP_CLAUSE_DEFAULT_KIND(NODE) \
+ (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_DEFAULT)->omp_clause.subcode.default_kind)
+
+struct tree_exp GTY(())
+{
+ struct tree_common common;
+ location_t locus;
+ tree block;
+ tree GTY ((special ("tree_exp"),
+ desc ("TREE_CODE ((tree) &%0)")))
+ operands[1];
+};
+\f
+/* SSA_NAME accessors. */
+
+/* Returns the variable being referenced. Once released, this is the
+ only field that can be relied upon. */
+#define SSA_NAME_VAR(NODE) SSA_NAME_CHECK (NODE)->ssa_name.var
+
+/* 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)->ssa_name.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.ptr_info
+
+/* Get the value of this SSA_NAME, if available. */
+#define SSA_NAME_VALUE(N) \
+ SSA_NAME_CHECK (N)->ssa_name.value_handle
+
+#ifndef _TREE_FLOW_H
+struct ptr_info_def;
+#endif
+
+
+
+/* Immediate use linking structure. This structure is used for maintaining
+ a doubly linked list of uses of an SSA_NAME. */
+typedef struct ssa_use_operand_d GTY(())
+{
+ struct ssa_use_operand_d* GTY((skip(""))) prev;
+ struct ssa_use_operand_d* GTY((skip(""))) next;
+ /* Immediate uses for a given SSA name are maintained as a cyclic
+ list. To recognize the root of this list, the location field
+ needs to point to the original SSA name. Since statements and
+ SSA names are of different data types, we need this union. See
+ the explanation in struct immediate_use_iterator_d. */
+ union { gimple stmt; tree ssa_name; } GTY((skip(""))) loc;
+ tree *GTY((skip(""))) use;
+} ssa_use_operand_t;
+
+/* Return the immediate_use information for an SSA_NAME. */
+#define SSA_NAME_IMM_USE_NODE(NODE) SSA_NAME_CHECK (NODE)->ssa_name.imm_uses
+
+struct tree_ssa_name GTY(())
+{
+ struct tree_common common;
+
+ /* _DECL wrapped by this SSA name. */
+ tree var;
+
+ /* Statement that defines this SSA name. */
+ gimple def_stmt;
+
+ /* SSA version number. */
+ unsigned int version;
+
+ /* Pointer attributes used for alias analysis. */
+ struct ptr_info_def *ptr_info;
+
+ /* Value for SSA name used by various passes.
+
+ Right now only invariants are allowed to persist beyond a pass in
+ this field; in the future we will allow VALUE_HANDLEs to persist
+ as well. */
+ tree value_handle;
+
+ /* Immediate uses list for this SSA_NAME. */
+ struct ssa_use_operand_d imm_uses;
+};
+\f
+struct phi_arg_d GTY(())
+{
+ /* imm_use MUST be the first element in struct because we do some
+ pointer arithmetic with it. See phi_arg_index_from_use. */
+ struct ssa_use_operand_d imm_use;
+ tree def;
+};
+
+\f
+#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_CODE(NODE) \
+ (OMP_CLAUSE_CHECK (NODE))->omp_clause.code
+
+#define OMP_CLAUSE_OPERAND(NODE, I) \
+ OMP_CLAUSE_ELT_CHECK (NODE, I)
+
+struct tree_omp_clause GTY(())
{
struct tree_common common;
- int complexity;
- tree operands[1];
+ enum omp_clause_code code;
+ union omp_clause_subcode {
+ enum omp_clause_default_kind default_kind;
+ enum omp_clause_schedule_kind schedule_kind;
+ enum tree_code reduction_code;
+ } GTY ((skip)) subcode;
+
+ /* The gimplification of OMP_CLAUSE_REDUCTION_{INIT,MERGE} for omp-low's
+ usage. */
+ gimple_seq gimple_reduction_init;
+ gimple_seq gimple_reduction_merge;
+
+ tree GTY ((length ("omp_clause_num_ops[OMP_CLAUSE_CODE ((tree)&%h)]"))) ops[1];
};
\f
+
+struct varray_head_tag;
+
/* 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_length (tree, BLOCK_NONLOCALIZED_VARS (NODE))
+#define BLOCK_NONLOCALIZED_VAR(NODE,N) VEC_index (tree, BLOCK_NONLOCALIZED_VARS (NODE), N)
#define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
#define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
/* Note: when changing this, make sure to find the places
#define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
#define BLOCK_ABSTRACT(NODE) (BLOCK_CHECK (NODE)->block.abstract_flag)
-/* Nonzero means that this block is prepared to handle exceptions
- listed in the BLOCK_VARS slot. */
-#define BLOCK_HANDLER_BLOCK(NODE) \
- (BLOCK_CHECK (NODE)->block.handler_block_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. */
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
+ 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)
-struct tree_block
+/* 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)
+
+struct tree_block GTY(())
{
struct tree_common common;
- unsigned handler_block_flag : 1;
unsigned abstract_flag : 1;
- unsigned block_num : 30;
+ unsigned block_num : 31;
+
+ location_t locus;
tree vars;
+ VEC(tree,gc) *nonlocalized_vars;
+
tree subblocks;
tree supercontext;
tree abstract_origin;
/* 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. */
+ 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.uid)
#define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type.size)
#define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type.size_unit)
-#define TYPE_MODE(NODE) (TYPE_CHECK (NODE)->type.mode)
-#define TYPE_VALUES(NODE) (TYPE_CHECK (NODE)->type.values)
-#define TYPE_DOMAIN(NODE) (TYPE_CHECK (NODE)->type.values)
-#define TYPE_FIELDS(NODE) (TYPE_CHECK (NODE)->type.values)
-#define TYPE_METHODS(NODE) (TYPE_CHECK (NODE)->type.maxval)
-#define TYPE_VFIELD(NODE) (TYPE_CHECK (NODE)->type.minval)
-#define TYPE_ARG_TYPES(NODE) (TYPE_CHECK (NODE)->type.values)
-#define TYPE_METHOD_BASETYPE(NODE) (TYPE_CHECK (NODE)->type.maxval)
-#define TYPE_OFFSET_BASETYPE(NODE) (TYPE_CHECK (NODE)->type.maxval)
+#define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type.values)
+#define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type.values)
+#define TYPE_FIELDS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.values)
+#define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK(NODE)->type.values)
+#define TYPE_ORIG_SIZE_TYPE(NODE) \
+ (INTEGER_TYPE_CHECK (NODE)->type.values \
+ ? TREE_TYPE ((NODE)->type.values) : NULL_TREE)
+#define TYPE_METHODS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.maxval)
+#define TYPE_VFIELD(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.minval)
+#define TYPE_ARG_TYPES(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.values)
+#define TYPE_METHOD_BASETYPE(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.maxval)
+#define TYPE_OFFSET_BASETYPE(NODE) (OFFSET_TYPE_CHECK (NODE)->type.maxval)
#define TYPE_POINTER_TO(NODE) (TYPE_CHECK (NODE)->type.pointer_to)
#define TYPE_REFERENCE_TO(NODE) (TYPE_CHECK (NODE)->type.reference_to)
-#define TYPE_MIN_VALUE(NODE) (TYPE_CHECK (NODE)->type.minval)
-#define TYPE_MAX_VALUE(NODE) (TYPE_CHECK (NODE)->type.maxval)
+#define TYPE_NEXT_PTR_TO(NODE) (POINTER_TYPE_CHECK (NODE)->type.minval)
+#define TYPE_NEXT_REF_TO(NODE) (REFERENCE_TYPE_CHECK (NODE)->type.minval)
+#define TYPE_MIN_VALUE(NODE) (NUMERICAL_TYPE_CHECK (NODE)->type.minval)
+#define TYPE_MAX_VALUE(NODE) (NUMERICAL_TYPE_CHECK (NODE)->type.maxval)
#define TYPE_PRECISION(NODE) (TYPE_CHECK (NODE)->type.precision)
#define TYPE_SYMTAB_ADDRESS(NODE) (TYPE_CHECK (NODE)->type.symtab.address)
#define TYPE_SYMTAB_POINTER(NODE) (TYPE_CHECK (NODE)->type.symtab.pointer)
+#define TYPE_SYMTAB_DIE(NODE) (TYPE_CHECK (NODE)->type.symtab.die)
#define TYPE_NAME(NODE) (TYPE_CHECK (NODE)->type.name)
#define TYPE_NEXT_VARIANT(NODE) (TYPE_CHECK (NODE)->type.next_variant)
#define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type.main_variant)
#define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type.context)
+
+/* Vector types need to check target flags to determine type. */
+extern enum machine_mode vector_type_mode (const_tree);
+#define TYPE_MODE(NODE) \
+ (TREE_CODE (TYPE_CHECK (NODE)) == VECTOR_TYPE \
+ ? vector_type_mode (NODE) : (NODE)->type.mode)
+#define SET_TYPE_MODE(NODE, MODE) \
+ (TYPE_CHECK (NODE)->type.mode = (MODE))
+
+/* The "canonical" type for this type node, which can be used 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, 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. */
+#define TYPE_CANONICAL(NODE) (TYPE_CHECK (NODE)->type.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_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific)
+#define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
+#define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
/* For a VECTOR_TYPE node, this describes a different type which is emitted
in the debugging output. We use this to describe a vector as a
structure containing an array. */
-#define TYPE_DEBUG_REPRESENTATION_TYPE(NODE) (TYPE_CHECK (NODE)->type.values)
-
-/* Indirect types present difficulties because they may be represented
- as either POINTER_TYPE/REFERENCE_TYPE nodes (unbounded) or as
- RECORD_TYPE nodes (bounded). Bounded and unbounded pointers might
- be logically equivalent, but physically different. Simple
- comparison of the main variant only tells if the types are
- logically equivalent. Use this predicate to compare for physical
- equivalency. */
-
-/* Types have the same main variant, and have the same boundedness. */
-#define TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P(TYPE1, TYPE2) \
- (TYPE_MAIN_VARIANT (TYPE1) == TYPE_MAIN_VARIANT (TYPE2) \
- && TREE_CODE (TYPE1) == TREE_CODE (TYPE2))
-
-/* Return the type variant that has no qualifiers (i.e., the main variant),
- except that the boundedness qualifier is preserved. */
-#define TYPE_MAIN_PHYSICAL_VARIANT(TYPE) \
- (BOUNDED_POINTER_TYPE_P (TYPE) \
- ? build_qualified_type (TYPE, TYPE_QUAL_BOUNDED) \
- : TYPE_MAIN_VARIANT (TYPE))
-
-/* For aggregate types, information about this type, as a base type
- for itself. Used in a language-dependent way for types that are
- neither a RECORD_TYPE, QUAL_UNION_TYPE, nor a UNION_TYPE. */
-#define TYPE_BINFO(NODE) (TYPE_CHECK (NODE)->type.binfo)
+#define TYPE_DEBUG_REPRESENTATION_TYPE(NODE) (VECTOR_TYPE_CHECK (NODE)->type.values)
+
+/* 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.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.binfo)
/* The (language-specific) typed-based alias set for this type.
Objects whose TYPE_ALIAS_SETs are different cannot alias each
#define TYPE_IS_SIZETYPE(NODE) \
(INTEGER_TYPE_CHECK (NODE)->type.no_force_blk_flag)
-/* In a FUNCTION_TYPE, indicates that the function returns with the stack
- pointer depressed. */
-#define TYPE_RETURNS_STACK_DEPRESSED(NODE) \
- (FUNCTION_TYPE_CHECK (NODE)->type.no_force_blk_flag)
-
/* Nonzero in a type considered volatile as a whole. */
-#define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->common.volatile_flag)
+#define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->base.volatile_flag)
/* Means this type is const-qualified. */
-#define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->common.readonly_flag)
+#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.restrict_flag)
-/* If nonzero, this type's size and layout, (or the size and layout of
- its arguments and/or return value in the case of a FUNCTION_TYPE or
- METHOD_TYPE) was changed by the presence of pointer bounds. */
-#define TYPE_BOUNDED(NODE) (TYPE_CHECK (NODE)->common.bounded_flag)
-
/* There is a TYPE_QUAL value for each type qualifier. They can be
combined by bitwise-or to form the complete set of qualifiers for a
type. */
#define TYPE_QUAL_CONST 0x1
#define TYPE_QUAL_VOLATILE 0x2
#define TYPE_QUAL_RESTRICT 0x4
-#define TYPE_QUAL_BOUNDED 0x8
/* The set of type qualifiers for this type. */
#define TYPE_QUALS(NODE) \
((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
| (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
- | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT) \
- | (BOUNDED_INDIRECT_TYPE_P (NODE) * TYPE_QUAL_BOUNDED))
-
-/* The set of qualifiers pertinent to an expression node. */
-#define TREE_EXPR_QUALS(NODE) \
- ((TREE_READONLY (NODE) * TYPE_QUAL_CONST) \
- | (TREE_THIS_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
- | (TREE_BOUNDED (NODE) * TYPE_QUAL_BOUNDED))
-
-/* The set of qualifiers pertinent to a FUNCTION_DECL node. */
-#define TREE_FUNC_QUALS(NODE) \
- ((TREE_READONLY (NODE) * TYPE_QUAL_CONST) \
- | (TREE_THIS_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.lang_flag_0)
#define TYPE_LANG_FLAG_5(NODE) (TYPE_CHECK (NODE)->type.lang_flag_5)
#define TYPE_LANG_FLAG_6(NODE) (TYPE_CHECK (NODE)->type.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 SET_TYPE, indicates a bitstring type. */
+ If set in a INTEGER_TYPE, indicates a character type. */
#define TYPE_STRING_FLAG(NODE) (TYPE_CHECK (NODE)->type.string_flag)
/* If non-NULL, this is an upper bound of the size (in bytes) of an
object of the given ARRAY_TYPE. This allows temporaries to be
allocated. */
#define TYPE_ARRAY_MAX_SIZE(ARRAY_TYPE) \
- TYPE_MAX_VALUE (ARRAY_TYPE_CHECK (ARRAY_TYPE))
+ (ARRAY_TYPE_CHECK (ARRAY_TYPE)->type.maxval)
/* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */
#define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \
- GET_MODE_NUNITS (VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.mode)
+ (((unsigned HOST_WIDE_INT) 1) \
+ << VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.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.precision = exact_log2 (X))
- /* Indicates that objects of this type must be initialized by calling a
+/* 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.needs_constructing_flag)
#define TYPE_TRANSPARENT_UNION(NODE) \
(UNION_TYPE_CHECK (NODE)->type.transparent_union_flag)
-/* For an ARRAY_TYPE, indicates that it is not permitted to
- take the address of a component of the type. */
+/* 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.transparent_union_flag)
compact a way as possible. */
#define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->type.packed_flag)
-/* A bounded pointer or bounded reference type (collectively called
- indirect types) is represented as a RECORD_TYPE node containing
- three pointer fields whose type is the corresponding unbounded
- POINTER_TYPE or REFERENCE_TYPE. A RECORD_TYPE node that represents
- a bounded indirect type differs from a normal RECORD_TYPE node in
- that its TREE_TYPE is non-NULL and has the pointed-to type just as
- a POINTER_TYPE or REFERENCE_TYPE node has. The bounded RECORD_TYPE
- nodes are stored on the same type variant chain alongside the
- variants of the underlaying indirect types nodes. The main variant
- of such chains is always the unbounded type. */
-
-/* Access the field decls of a bounded-pointer type. */
-#define TYPE_BOUNDED_VALUE(TYPE) TYPE_FIELDS (TYPE)
-#define TYPE_BOUNDED_BASE(TYPE) TREE_CHAIN (TYPE_BOUNDED_VALUE (TYPE))
-#define TYPE_BOUNDED_EXTENT(TYPE) TREE_CHAIN (TYPE_BOUNDED_BASE (TYPE))
-
-/* Access the simple-pointer subtype of a bounded-pointer type. */
-#define TYPE_BOUNDED_SUBTYPE(TYPE) TREE_TYPE (TYPE_BOUNDED_VALUE (TYPE))
-
-/* Find the unbounded counterpart to a type, or return TYPE if it is
- already unbounded. */
-#define TYPE_UNBOUNDED_VARIANT(TYPE) \
- (BOUNDED_POINTER_TYPE_P (TYPE) ? TYPE_BOUNDED_SUBTYPE (TYPE) : (TYPE))
-
-/* This field comprises two bits, for values in the range 0..3:
-
- depth=0 means that type is a scalar, or an aggregate that contains
- only depth=0 types, or a function that has only depth=0 types for
- its return value and argument types.
-
- depth=1 means that type is a pointer to a depth=0 type, or an
- aggregate that contains only depth=0 and depth=1 types, or a
- function that has only depth=0 and depth=1 types for its return
- value and argument types.
-
- The meanings of depth=2 and depth=3 are obvious by induction.
- Varargs functions are depth=3. The type `va_list' is depth=3.
-
- The purpose of measuring pointer depth of a type is to determine
- the eligibility of a function for an automatically-generated
- bounded-pointer thunk. A depth=0 functions needs no thunk. A
- depth=1 function is eligible for an automatic thunk. Functions
- with depth 2 or more are too complex to get automatic thunks.
-
- Function decls also have a pointer_depth field, since we also
- consider the actual argument types for functions. */
+/* 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.contains_placeholder_bits)
-#define TYPE_POINTER_DEPTH(TYPE) (TYPE_CHECK (TYPE)->type.pointer_depth)
+struct die_struct;
-/* In a FUNCTION_TYPE node, this bit stores the value of
- default_pointer_boundedness at the time TYPE was created. It is
- useful for choosing default boundedness of function arguments for
- non-prototype function decls and for varargs/stdarg lists. */
-#define TYPE_AMBIENT_BOUNDEDNESS(TYPE) \
- (FUNCTION_TYPE_CHECK (TYPE)->type.transparent_union_flag)
-
-#define MAX_POINTER_DEPTH 2
-#define VA_LIST_POINTER_DEPTH 3
-
-struct tree_type
+struct tree_type GTY(())
{
struct tree_common common;
tree values;
unsigned transparent_union_flag : 1;
unsigned packed_flag : 1;
unsigned restrict_flag : 1;
- unsigned pointer_depth : 2;
+ unsigned contains_placeholder_bits : 2;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned user_align : 1;
unsigned int align;
+ alias_set_type alias_set;
tree pointer_to;
tree reference_to;
- union {int address; char *pointer; } symtab;
+ union tree_type_symtab {
+ int GTY ((tag ("0"))) address;
+ const char * GTY ((tag ("1"))) pointer;
+ struct die_struct * GTY ((tag ("2"))) die;
+ } GTY ((desc ("debug_hooks == &sdb_debug_hooks ? 1 : debug_hooks == &dwarf2_debug_hooks ? 2 : 0"),
+ descbits ("2"))) symtab;
tree name;
tree minval;
tree maxval;
tree main_variant;
tree binfo;
tree context;
- HOST_WIDE_INT alias_set;
+ tree canonical;
/* Points to a structure whose details depend on the language in use. */
struct lang_type *lang_specific;
};
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 (NODE)
+#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_VEC_ELT ((NODE), 1)
-#define TYPE_BINFO_OFFSET(NODE) BINFO_OFFSET (TYPE_BINFO (NODE))
+
+#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_VEC_ELT ((NODE), 2)
-#define TYPE_BINFO_VTABLE(NODE) BINFO_VTABLE (TYPE_BINFO (NODE))
+#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_VEC_ELT ((NODE), 3)
-#define TYPE_BINFO_VIRTUALS(NODE) BINFO_VIRTUALS (TYPE_BINFO (NODE))
+#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.
-
- ??? This could probably be done by just allocating the
- base types at the end of this TREE_VEC (instead of using
- another TREE_VEC). This would simplify the calculation
- of how many basetypes a given type had. */
-#define BINFO_BASETYPES(NODE) TREE_VEC_ELT ((NODE), 4)
-#define TYPE_BINFO_BASETYPES(NODE) TREE_VEC_ELT (TYPE_BINFO (NODE), 4)
+ 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_BASETYPES(NODE) \
- (BINFO_BASETYPES (NODE) ? TREE_VEC_LENGTH (BINFO_BASETYPES (NODE)) : 0)
+#define BINFO_N_BASE_BINFOS(NODE) (VEC_length (tree, BINFO_BASE_BINFOS (NODE)))
-/* Accessor macro to get to the Nth basetype of this basetype. */
-#define BINFO_BASETYPE(NODE,N) TREE_VEC_ELT (BINFO_BASETYPES (NODE), (N))
-#define TYPE_BINFO_BASETYPE(NODE,N) \
- BINFO_TYPE (TREE_VEC_ELT (BINFO_BASETYPES (TYPE_BINFO (NODE)), (N)))
+/* Accessor macro to get to the Nth base binfo of this binfo. */
+#define BINFO_BASE_BINFO(NODE,N) \
+ (VEC_index (tree, BINFO_BASE_BINFOS (NODE), (N)))
+#define BINFO_BASE_ITERATE(NODE,N,B) \
+ (VEC_iterate (tree, BINFO_BASE_BINFOS (NODE), (N), (B)))
+#define BINFO_BASE_APPEND(NODE,T) \
+ (VEC_quick_push (tree, BINFO_BASE_BINFOS (NODE), (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. Under the old
- ABI, the C++ front-end uses a FIELD_DECL whose contents are a
- pointer to the virtual base; under the new ABI this field is
- instead a INTEGER_CST giving an offset into the vtable where the
- offset to the virtual base can be found. */
-#define BINFO_VPTR_FIELD(NODE) TREE_VEC_ELT (NODE, 5)
-
-/* The size of a base class subobject of this type. Not all frontends
- currently allocate the space for these fields. */
-#define BINFO_SIZE(NODE) TREE_VEC_ELT (NODE, 6)
-#define BINFO_SIZE_UNIT(NODE) TREE_VEC_ELT (NODE, 7)
-#define TYPE_BINFO_SIZE(NODE) BINFO_SIZE (TYPE_BINFO (NODE))
-#define TYPE_BINFO_SIZE_UNIT(NODE) BINFO_SIZE_UNIT (TYPE_BINFO (NODE))
-
-/* Slot used to build a chain that represents a use of inheritance.
- For example, if X is derived from Y, and Y is derived from Z,
- then this field can be used to link the binfo node for X to
- the binfo node for X's Y to represent the use of inheritance
- from X to Y. Similarly, this slot of the binfo node for X's Y
- can point to the Z from which Y is inherited (in X's inheritance
- hierarchy). In this fashion, one can represent and traverse specific
- uses of inheritance using the binfo nodes themselves (instead of
- consing new space pointing to binfo nodes).
- It is up to the language-dependent front-ends to maintain
- this information as necessary. */
-#define BINFO_INHERITANCE_CHAIN(NODE) TREE_VEC_ELT ((NODE), 0)
+ 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) \
+ VEC_index (tree, BINFO_BASE_ACCESSES (NODE), (N))
+#define BINFO_BASE_ACCESS_APPEND(NODE,T) \
+ VEC_quick_push (tree, BINFO_BASE_ACCESSES (NODE), (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)
+
+struct tree_binfo GTY (())
+{
+ struct tree_common common;
+
+ tree offset;
+ tree vtable;
+ tree virtuals;
+ tree vptr_field;
+ VEC(tree,gc) *base_accesses;
+ tree inheritance;
+
+ tree vtt_subvtt;
+ tree vtt_vptr;
+
+ VEC(tree,none) base_binfos;
+};
+
\f
/* Define fields and accessors for nodes representing declared names. */
-/* Nonzero if DECL represents a decl. */
-#define DECL_P(DECL) (TREE_CODE_CLASS (TREE_CODE (DECL)) == 'd')
+/* Nonzero if DECL represents a variable for the SSA passes. */
+#define SSA_VAR_P(DECL) \
+ (TREE_CODE (DECL) == VAR_DECL \
+ || TREE_CODE (DECL) == PARM_DECL \
+ || TREE_CODE (DECL) == RESULT_DECL \
+ || MTAG_P (DECL) \
+ || (TREE_CODE (DECL) == SSA_NAME \
+ && (TREE_CODE (SSA_NAME_VAR (DECL)) == VAR_DECL \
+ || TREE_CODE (SSA_NAME_VAR (DECL)) == PARM_DECL \
+ || TREE_CODE (SSA_NAME_VAR (DECL)) == RESULT_DECL \
+ || MTAG_P (SSA_NAME_VAR (DECL)))))
-/* This is the name of the object as written by the user.
- It is an IDENTIFIER_NODE. */
-#define DECL_NAME(NODE) (DECL_CHECK (NODE)->decl.name)
-/* 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_SET_P (NODE) \
- ? (void) 0 \
- : (*lang_set_decl_assembler_name) (NODE)), \
- DECL_CHECK (NODE)->decl.assembler_name)
-/* Returns non-zero 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) \
- (DECL_CHECK (NODE)->decl.assembler_name != NULL_TREE)
-/* Set the DECL_ASSEMBLER_NAME for NODE to NAME. */
-#define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
- (DECL_CHECK (NODE)->decl.assembler_name = (NAME))
+/* Enumerate visibility settings. */
+#ifndef SYMBOL_VISIBILITY_DEFINED
+#define SYMBOL_VISIBILITY_DEFINED
+enum symbol_visibility
+{
+ VISIBILITY_DEFAULT,
+ VISIBILITY_PROTECTED,
+ VISIBILITY_HIDDEN,
+ VISIBILITY_INTERNAL
+};
+#endif
-/* 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))
+struct function;
- 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)
+/* 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)
-/* 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_CHECK (NODE)->decl.section_name)
-
-/* 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,
- 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 if the given decl has "file scope". */
-#define DECL_CONTEXT(NODE) (DECL_CHECK (NODE)->decl.context)
-#define DECL_FIELD_CONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.context)
-/* In a DECL this is the field where attributes are stored. */
-#define DECL_ATTRIBUTES(NODE) (DECL_CHECK (NODE)->decl.attributes)
-/* In a FIELD_DECL, this is the field position, counting in bytes, of the
- byte containing the bit closest to the beginning of the structure. */
-#define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.arguments)
-/* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
- field from DECL_FIELD_OFFSET. */
-#define DECL_FIELD_BIT_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.u2.t)
-/* 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)->decl.result)
-/* 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) (DECL_CHECK (NODE)->decl.arguments)
-/* 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_CHECK (NODE)->decl.result)
-/* In FUNCTION_DECL, holds the decl for the return value. */
-#define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.result)
-/* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
-#define DECL_ORIGINAL_TYPE(NODE) (TYPE_DECL_CHECK (NODE)->decl.result)
-/* In PARM_DECL, holds the type as written (perhaps a function or array). */
-#define DECL_ARG_TYPE_AS_WRITTEN(NODE) (PARM_DECL_CHECK (NODE)->decl.result)
-/* For a FUNCTION_DECL, holds the tree of BINDINGs.
- For a VAR_DECL, holds the initial value.
- For a PARM_DECL, not used--default
- values for parameters are encoded in the type of the function,
- not in the PARM_DECL slot. */
-#define DECL_INITIAL(NODE) (DECL_CHECK (NODE)->decl.initial)
-/* 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.initial)
-/* 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)->decl.initial)
/* 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_FILE(NODE) (DECL_CHECK (NODE)->decl.filename)
-#define DECL_SOURCE_LINE(NODE) (DECL_CHECK (NODE)->decl.linenum)
-/* Holds the size of the datum, in bits, as a tree expression.
- Need not be constant. */
-#define DECL_SIZE(NODE) (DECL_CHECK (NODE)->decl.size)
-/* Likewise for the size in bytes. */
-#define DECL_SIZE_UNIT(NODE) (DECL_CHECK (NODE)->decl.size_unit)
-/* Holds the alignment required for the datum, in bits. */
-#define DECL_ALIGN(NODE) (DECL_CHECK (NODE)->decl.u1.a.align)
-/* The alignment of NODE, in bytes. */
-#define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
-/* 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.u1.a.off_align)
-/* Specify that DECL_ALIGN(NODE) is a multiple of X. */
-#define SET_DECL_OFFSET_ALIGN(NODE, X) \
- (FIELD_DECL_CHECK (NODE)->decl.u1.a.off_align = exact_log2 ((X) & -(X)))
-/* 1 if the alignment for this type was requested by "aligned" attribute,
- 0 if it is the default for this type. */
-#define DECL_USER_ALIGN(NODE) (DECL_CHECK (NODE)->decl.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_CHECK (NODE)->decl.mode)
-/* Holds the RTL expression for the value of a variable or function. If
- PROMOTED_MODE is defined, the mode of this expression may not be same
- as DECL_MODE. In that case, DECL_MODE contains the mode corresponding
- to the variable's data type, while the mode
- of DECL_RTL is the mode actually used to contain the data.
+#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_IS_BUILTIN(DECL) \
+ (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, 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". */
+#define DECL_CONTEXT(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.context)
+#define DECL_FIELD_CONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl_minimal.context)
+struct tree_decl_minimal GTY(())
+{
+ struct tree_common common;
+ location_t locus;
+ unsigned int uid;
+ tree name;
+ tree context;
+};
- This value can be evaluated lazily for functions, variables with
- static storage duration, and labels. */
-#define DECL_RTL(NODE) \
- (DECL_CHECK (NODE)->decl.rtl \
- ? (NODE)->decl.rtl \
- : (make_decl_rtl (NODE, NULL), (NODE)->decl.rtl))
-/* Set the DECL_RTL for NODE to RTL. */
-#define SET_DECL_RTL(NODE, RTL) (DECL_CHECK (NODE)->decl.rtl = (RTL))
-/* Returns non-zero if the DECL_RTL for NODE has already been set. */
-#define DECL_RTL_SET_P(NODE) (DECL_CHECK (NODE)->decl.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_CHECK (NODE2)->decl.rtl = DECL_CHECK (NODE1)->decl.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)
+/* When computing aliasing information, we represent the memory pointed-to
+ by pointers with artificial variables called "memory tags" (MT). There
+ are two kinds of tags, namely symbol and name:
-/* Holds an INSN_LIST of all of the live ranges in which the variable
- has been moved to a possibly different register. */
-#define DECL_LIVE_RANGE_RTL(NODE) (DECL_CHECK (NODE)->decl.live_range_rtl)
+ Symbol tags (SMT) are used in flow-insensitive alias analysis, they
+ represent all the pointed-to locations and variables pointed-to by
+ the same pointer symbol. Usually, this set is computed using
+ type-based analysis (i.e., alias set classes), but this may not
+ always be the case.
-/* 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)->decl.u2.r)
+ Name tags (NMT) are used in flow-sensitive points-to alias
+ analysis, they represent the variables and memory locations
+ pointed-to by a specific SSA_NAME pointer.
-/* For FUNCTION_DECL, if it is inline, holds the saved insn chain. */
-#define DECL_SAVED_INSNS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u2.f)
+ In general, given a pointer P with a symbol tag SMT, the alias set
+ of SMT should be the union of all the alias sets of the NMTs of
+ every SSA_NAME for P. */
+struct tree_memory_tag GTY(())
+{
+ struct tree_decl_minimal common;
-/* For FUNCTION_DECL, if it is built-in,
- this identifies which built-in operation it is. */
-#define DECL_FUNCTION_CODE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u1.f)
+ bitmap GTY ((skip)) aliases;
-/* 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. */
-#define DECL_VINDEX(NODE) (DECL_CHECK (NODE)->decl.vindex)
+ /* True if this tag has global scope. */
+ unsigned int is_global : 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)->decl.vindex)
+#define MTAG_GLOBAL(NODE) (TREE_MEMORY_TAG_CHECK (NODE)->mtag.is_global)
+#define MTAG_ALIASES(NODE) (TREE_MEMORY_TAG_CHECK (NODE)->mtag.aliases)
+
+/* Memory Partition Tags (MPTs) group memory symbols under one
+ common name for the purposes of placing memory PHI nodes. */
+
+struct tree_memory_partition_tag GTY(())
+{
+ struct tree_memory_tag common;
+
+ /* Set of symbols grouped under this MPT. */
+ bitmap symbols;
+};
+
+#define MPT_SYMBOLS(NODE) (MEMORY_PARTITION_TAG_CHECK (NODE)->mpt.symbols)
-/* Every ..._DECL node gets a unique number. */
-#define DECL_UID(NODE) (DECL_CHECK (NODE)->decl.uid)
/* For any sort of a ..._DECL node, this points to the original (abstract)
decl node which this decl is an instance of, or else it is NULL indicating
that this decl is not an instance of some other decl. For example,
in a nested declaration of an inline function, this points back to the
definition. */
-#define DECL_ABSTRACT_ORIGIN(NODE) (DECL_CHECK (NODE)->decl.abstract_origin)
+#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_FROM_INLINE(NODE) (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
&& DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
-/* Nonzero if a _DECL means that the name of this decl should be ignored
- for symbolic debug purposes. */
-#define DECL_IGNORED_P(NODE) (DECL_CHECK (NODE)->decl.ignored_flag)
+/* 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)->decl_common.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_DEBUG_EXPR_IS_FROM(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.debug_expr_is_from)
+
+/* Nonzero for a given ..._DECL node means that the name of this node should
+ be ignored for symbolic debug purposes. */
+#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
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_CHECK (NODE)->decl.abstract_flag)
+#define DECL_ABSTRACT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
-/* Nonzero if a _DECL means that no warnings should be generated just
- because this decl is unused. */
-#define DECL_IN_SYSTEM_HEADER(NODE) \
- (DECL_CHECK (NODE)->decl.in_system_header_flag)
+/* Language-specific decl information. */
+#define DECL_LANG_SPECIFIC(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
-/* 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_CHECK (NODE)->decl.common_flag)
+/* 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_2)
-/* Language-specific decl information. */
-#define DECL_LANG_SPECIFIC(NODE) (DECL_CHECK (NODE)->decl.lang_specific)
+/* 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.
-/* In a VAR_DECL or FUNCTION_DECL,
- nonzero means external reference:
- do not allocate storage, and refer to a definition elsewhere. */
-#define DECL_EXTERNAL(NODE) (DECL_CHECK (NODE)->decl.external_flag)
+ For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
-/* In a VAR_DECL for a RECORD_TYPE, sets number for non-init_priority
- initializatons. */
-#define DEFAULT_INIT_PRIORITY 65535
-#define MAX_INIT_PRIORITY 65535
-#define MAX_RESERVED_INIT_PRIORITY 100
+ 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)
-/* In a TYPE_DECL
- nonzero means the detail info about this type is not dumped into stabs.
- Instead it will generate cross reference ('x') of names.
- This uses the same flag as DECL_EXTERNAL. */
-#define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
- (TYPE_DECL_CHECK (NODE)->decl.external_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)
-/* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
-#define DECL_REGISTER(NODE) (DECL_CHECK (NODE)->decl.regdecl_flag)
+/* Used to indicate that this DECL represents a compiler-generated entity. */
+#define DECL_ARTIFICIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
-/* In LABEL_DECL nodes, nonzero means that an error message about
- jumping into such a binding contour has been printed for this label. */
-#define DECL_ERROR_ISSUED(NODE) (LABEL_DECL_CHECK (NODE)->decl.regdecl_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)
-/* In a FIELD_DECL, indicates this field should be bit-packed. */
-#define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->decl.regdecl_flag)
+/* Used to indicate an alias set for the memory pointed to by this
+ particular FIELD_DECL, PARM_DECL, or VAR_DECL, which must have
+ pointer (or reference) type. */
+#define DECL_POINTER_ALIAS_SET(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.pointer_alias_set)
-/* In a FUNCTION_DECL with a non-zero DECL_CONTEXT, indicates that a
- static chain is not needed. */
-#define DECL_NO_STATIC_CHAIN(NODE) \
- (FUNCTION_DECL_CHECK (NODE)->decl.regdecl_flag)
+/* Nonzero if an alias set has been assigned to this declaration. */
+#define DECL_POINTER_ALIAS_SET_KNOWN_P(NODE) \
+ (DECL_POINTER_ALIAS_SET (NODE) != - 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.
+/* Nonzero for a decl which is at file scope. */
+#define DECL_FILE_SCOPE_P(EXP) \
+ (! DECL_CONTEXT (EXP) \
+ || TREE_CODE (DECL_CONTEXT (EXP)) == TRANSLATION_UNIT_DECL)
+
+/* Nonzero for a decl that is decorated using attribute used.
+ This indicates 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
+
+/* For a DECL with pointer type, this is set if Type Based Alias
+ Analysis should not be applied to this DECL. */
+#define DECL_NO_TBAA_P(DECL) \
+ DECL_COMMON_CHECK (DECL)->decl_common.no_tbaa_flag
+
+struct tree_decl_common GTY(())
+{
+ struct tree_decl_minimal common;
+ tree size;
- For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
+ ENUM_BITFIELD(machine_mode) mode : 8;
- Also set in some languages for variables, etc., outside the normal
- lexical scope, such as class instance variables. */
-#define DECL_NONLOCAL(NODE) (DECL_CHECK (NODE)->decl.nonlocal_flag)
+ unsigned nonlocal_flag : 1;
+ unsigned virtual_flag : 1;
+ unsigned ignored_flag : 1;
+ unsigned abstract_flag : 1;
+ unsigned artificial_flag : 1;
+ unsigned user_align : 1;
+ unsigned preserve_flag: 1;
+ unsigned debug_expr_is_from : 1;
+
+ unsigned lang_flag_0 : 1;
+ unsigned lang_flag_1 : 1;
+ unsigned lang_flag_2 : 1;
+ unsigned lang_flag_3 : 1;
+ unsigned lang_flag_4 : 1;
+ unsigned lang_flag_5 : 1;
+ unsigned lang_flag_6 : 1;
+ unsigned lang_flag_7 : 1;
-/* Nonzero in a FUNCTION_DECL means this function can be substituted
- where it is called. */
-#define DECL_INLINE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.inline_flag)
+ /* In LABEL_DECL, this is DECL_ERROR_ISSUED.
+ In VAR_DECL and PARM_DECL, this is DECL_REGISTER. */
+ unsigned decl_flag_0 : 1;
+ /* In FIELD_DECL, this is DECL_PACKED. */
+ unsigned decl_flag_1 : 1;
+ /* In FIELD_DECL, this is DECL_BIT_FIELD
+ In VAR_DECL and FUNCTION_DECL, this is DECL_EXTERNAL.
+ In TYPE_DECL, this is TYPE_DECL_SUPRESS_DEBUG. */
+ unsigned decl_flag_2 : 1;
+ /* In FIELD_DECL, this is DECL_NONADDRESSABLE_P
+ In VAR_DECL and PARM_DECL, this is DECL_HAS_VALUE_EXPR. */
+ unsigned decl_flag_3 : 1;
+ /* Logically, these two would go in a theoretical base shared by var and
+ parm decl. */
+ unsigned gimple_reg_flag : 1;
+ /* In a DECL with pointer type, set if no TBAA should be done. */
+ unsigned no_tbaa_flag : 1;
+ /* Padding so that 'align' can be on a 32-bit boundary. */
+ unsigned decl_common_unused : 2;
+
+ unsigned int align : 24;
+ /* DECL_OFFSET_ALIGN, used only for FIELD_DECLs. */
+ unsigned int off_align : 8;
-/* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */
-#define DECL_UNINLINABLE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.uninlinable)
+ tree size_unit;
+ tree initial;
+ tree attributes;
+ tree abstract_origin;
-/* In a FUNCTION_DECL, the saved representation of the body of the
- entire function. Usually a COMPOUND_STMT, but in C++ this may also
- be a RETURN_INIT, CTOR_INITIALIZER, or TRY_BLOCK. */
-#define DECL_SAVED_TREE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.saved_tree)
+ alias_set_type pointer_alias_set;
+ /* Points to a structure whose details depend on the language in use. */
+ struct lang_decl *lang_specific;
+};
-/* List of FUNCTION_DECLs inlined into this function's body. */
-#define DECL_INLINED_FNS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.inlined_fns)
+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_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_flag_3)
+#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))
-/* Nonzero in a FUNCTION_DECL means this is a built-in function
- that is not specified by ansi C and that users are supposed to be allowed
- to redefine for any purpose whatever. */
-#define DECL_BUILT_IN_NONANSI(NODE) \
- (FUNCTION_DECL_CHECK (NODE)->common.unsigned_flag)
+/* Set the DECL_RTL for NODE to RTL. */
+#define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
-/* 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)->decl.malloc_flag)
+/* 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))
-/* Nonzero in a FUNCTION_DECL means this function should be treated
- as "pure" function (like const function, but may read global memory). */
-#define DECL_IS_PURE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.pure_flag)
+/* 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)
+
+/* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
+#define DECL_REGISTER(NODE) (DECL_WRTL_CHECK (NODE)->decl_common.decl_flag_0)
+
+struct tree_decl_with_rtl GTY(())
+{
+ struct tree_decl_common common;
+ rtx rtl;
+};
+
+/* 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)
+
+/* 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 = exact_log2 ((X) & -(X)))
+/* 1 if the alignment for this type was requested by "aligned" attribute,
+ 0 if it is the default for this type. */
+
+/* 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)->decl_common.decl_flag_1)
/* 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.bit_field_flag)
+#define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
-/* In a LABEL_DECL, nonzero means label was defined inside a binding
- contour that restored a stack level and which is now exited. */
-#define DECL_TOO_LATE(NODE) (LABEL_DECL_CHECK (NODE)->decl.bit_field_flag)
+/* 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:
-/* Unused in FUNCTION_DECL. */
+ struct S { int i; } s;
+ int *p;
-/* 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.bit_field_flag)
+ If the flag is set on 'i', TBAA computes that s.i and *p never conflict.
-/* In a FUNCTION_DECL, nonzero means a built in function. */
-#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
+ 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_3)
-/* For a builtin function, identify which part of the compiler defined it. */
-#define DECL_BUILT_IN_CLASS(NODE) \
- (FUNCTION_DECL_CHECK (NODE)->decl.built_in_class)
+struct tree_field_decl GTY(())
+{
+ struct tree_decl_common common;
-/* 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_CHECK (NODE)->decl.virtual_flag)
+ tree offset;
+ tree bit_field_type;
+ tree qualifier;
+ tree bit_offset;
+ tree fcontext;
+
+};
+
+/* 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)->decl_common.pointer_alias_set)
+
+/* In LABEL_DECL nodes, nonzero means that an error message about
+ jumping into such a binding contour has been printed for this label. */
+#define DECL_ERROR_ISSUED(NODE) (LABEL_DECL_CHECK (NODE)->decl_common.decl_flag_0)
+
+struct tree_label_decl GTY(())
+{
+ struct tree_decl_with_rtl common;
+};
+
+struct tree_result_decl GTY(())
+{
+ struct tree_decl_with_rtl common;
+};
+
+struct tree_const_decl GTY(())
+{
+ struct tree_decl_with_rtl common;
+};
+
+/* 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)
+
+struct tree_parm_decl GTY(())
+{
+ struct tree_decl_with_rtl common;
+ rtx incoming_rtl;
+};
+
+
+/* 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)
/* 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_CHECK (NODE)->decl.defer_output)
+#define DECL_DEFER_OUTPUT(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
-/* Used in PARM_DECLs whose type are unions to indicate that the
- argument should be passed in the same way that the first union
- alternative would be passed. */
-#define DECL_TRANSPARENT_UNION(NODE) \
- (PARM_DECL_CHECK (NODE)->decl.transparent_union)
+/* 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 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)->decl.static_ctor_flag)
+ /* Used to indicate that this DECL has weak linkage. */
+#define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
-#define DECL_STATIC_DESTRUCTOR(NODE) \
-(FUNCTION_DECL_CHECK (NODE)->decl.static_dtor_flag)
+/* Internal to the gimplifier. Indicates that the value is a formal
+ temporary controlled by the gimplifier. */
+#define DECL_GIMPLE_FORMAL_TEMP_P(DECL) \
+ DECL_WITH_VIS_CHECK (DECL)->decl_with_vis.gimple_formal_temp
-/* Used to indicate that this DECL represents a compiler-generated entity. */
-#define DECL_ARTIFICIAL(NODE) (DECL_CHECK (NODE)->decl.artificial_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 to indicate that this DECL has weak linkage. */
-#define DECL_WEAK(NODE) (DECL_CHECK (NODE)->decl.weak_flag)
+/* DECL_BASED_ON_RESTRICT_P records whether a VAR_DECL is a temporary
+ based on a variable with a restrict qualified type. If it is,
+ DECL_RESTRICT_BASE returns the restrict qualified variable on which
+ it is based. */
-/* 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_CHECK (NODE)->decl.transparent_union)
+#define DECL_BASED_ON_RESTRICT_P(NODE) \
+ (VAR_DECL_CHECK (NODE)->decl_with_vis.based_on_restrict_p)
+#define DECL_GET_RESTRICT_BASE(NODE) \
+ (decl_restrict_base_lookup (VAR_DECL_CHECK (NODE)))
+#define SET_DECL_RESTRICT_BASE(NODE, VAL) \
+ (decl_restrict_base_insert (VAR_DECL_CHECK (NODE), (VAL)))
+
+extern tree decl_restrict_base_lookup (tree);
+extern void decl_restrict_base_insert (tree, tree);
/* 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.
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_CHECK (NODE)->decl.comdat_flag)
+#define DECL_COMDAT(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
+
+/* A replaceable function is one which may be replaced at link-time
+ with an entirely different definition, provided that the
+ replacement has the same type. For example, functions declared
+ with __attribute__((weak)) on most systems are replaceable.
+
+ COMDAT functions are not replaceable, since all definitions of the
+ function must be equivalent. It is important that COMDAT functions
+ not be treated as replaceable so that use of C++ template
+ instantiations is not penalized.
+
+ For example, DECL_REPLACEABLE is used to determine whether or not a
+ function (including a template instantiation) which is not
+ explicitly declared "inline" can be inlined. If the function is
+ DECL_REPLACEABLE then it is not safe to do the inlining, since the
+ implementation chosen at link-time may be different. However, a
+ function that is not DECL_REPLACEABLE can be inlined, since all
+ versions of the function will be functionally identical. */
+#define DECL_REPLACEABLE_P(NODE) \
+ (!DECL_COMDAT (NODE) && !targetm.binds_local_p (NODE))
+
+/* 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)
+
+/* 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)
+
+/* 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_WITH_VIS_CHECK (NODE)->decl_with_vis.one_only)
+
+struct tree_decl_with_vis GTY(())
+{
+ struct tree_decl_with_rtl common;
+ tree assembler_name;
+ tree section_name;
+
+ /* Belong to VAR_DECL exclusively. */
+ unsigned defer_output:1;
+ unsigned hard_register:1;
+ unsigned thread_local:1;
+ unsigned common_flag:1;
+ unsigned in_text_section : 1;
+ unsigned gimple_formal_temp : 1;
+ unsigned dllimport_flag : 1;
+ unsigned based_on_restrict_p : 1;
+ /* Used by C++. Might become a generic decl flag. */
+ unsigned shadowed_for_var_p : 1;
+
+ /* Don't belong to VAR_DECL exclusively. */
+ unsigned weak_flag:1;
+ unsigned seen_in_bind_expr : 1;
+ unsigned comdat_flag : 1;
+ ENUM_BITFIELD(symbol_visibility) visibility : 2;
+ unsigned visibility_specified : 1;
+ /* Belong to FUNCTION_DECL exclusively. */
+ unsigned one_only : 1;
+ unsigned init_priority_p:1;
+
+ /* Belongs to VAR_DECL exclusively. */
+ ENUM_BITFIELD(tls_model) tls_model : 3;
+ /* 12 unused bits. */
+};
+
+/* 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)
+
+/* 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)
+
+extern tree decl_debug_expr_lookup (tree);
+extern void decl_debug_expr_insert (tree, tree);
+/* For VAR_DECL, this is set to either an expression that it was split
+ from (if DECL_DEBUG_EXPR_IS_FROM is true), otherwise a tree_list of
+ subexpressions that it was split into. */
+#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))
+
+/* An initialization priority. */
+typedef unsigned short priority_type;
+
+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);
+
+/* 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)
+
+/* 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, 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)
+
+struct tree_var_decl GTY(())
+{
+ struct tree_decl_with_vis common;
+};
+
+
+/* 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)
+
+struct tree_decl_non_common GTY(())
+
+{
+ struct tree_decl_with_vis common;
+ /* C++ uses this in namespaces. */
+ tree saved_tree;
+ /* C++ uses this in templates. */
+ tree arguments;
+ /* Almost all FE's use this. */
+ tree result;
+ /* C++ uses this in namespaces. */
+ tree 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)->decl.no_instrument_function_entry_exit)
+ (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)->decl.no_limit_stack)
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.no_limit_stack)
-/* Additional flags for language-specific uses. */
-#define DECL_LANG_FLAG_0(NODE) (DECL_CHECK (NODE)->decl.lang_flag_0)
-#define DECL_LANG_FLAG_1(NODE) (DECL_CHECK (NODE)->decl.lang_flag_1)
-#define DECL_LANG_FLAG_2(NODE) (DECL_CHECK (NODE)->decl.lang_flag_2)
-#define DECL_LANG_FLAG_3(NODE) (DECL_CHECK (NODE)->decl.lang_flag_3)
-#define DECL_LANG_FLAG_4(NODE) (DECL_CHECK (NODE)->decl.lang_flag_4)
-#define DECL_LANG_FLAG_5(NODE) (DECL_CHECK (NODE)->decl.lang_flag_5)
-#define DECL_LANG_FLAG_6(NODE) (DECL_CHECK (NODE)->decl.lang_flag_6)
-#define DECL_LANG_FLAG_7(NODE) (DECL_CHECK (NODE)->decl.lang_flag_7)
-
-/* Used to indicate that the pointer to this DECL cannot be treated as
- an address constant. */
-#define DECL_NON_ADDR_CONST_P(NODE) (DECL_CHECK (NODE)->decl.non_addr_const_p)
+/* In a FUNCTION_DECL with a nonzero DECL_CONTEXT, indicates that a
+ static chain is not needed. */
+#define DECL_NO_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 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)
+
+/* 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)
-/* Used in a FIELD_DECL to indicate that we cannot form the address of
- this component. */
-#define DECL_NONADDRESSABLE_P(NODE) \
- (FIELD_DECL_CHECK (NODE)->decl.non_addressable)
+/* In a FUNCTION_DECL, nonzero means a built in function. */
+#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
-/* Used to indicate an alias set for the memory pointed to by this
- particular FIELD_DECL, PARM_DECL, or VAR_DECL, which must have
- pointer (or reference) type. */
-#define DECL_POINTER_ALIAS_SET(NODE) \
- (DECL_CHECK (NODE)->decl.pointer_alias_set)
+/* 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)
-/* Nonzero if an alias set has been assigned to this declaration. */
-#define DECL_POINTER_ALIAS_SET_KNOWN_P(NODE) \
- (DECL_POINTER_ALIAS_SET (NODE) != - 1)
+/* 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)
-/* The pointer_depth field comprises two bits for values in the range
- 0..3. The value is normally equal to TYPE_POINTER_DEPTH of decl's
- type node, but for functions it migth be greater. For example,
- this can happen when the function is declared to accept a parameter
- of type void* (depth=1), but is actually called with an argument of
- type foo** (depth=2). The function type will get the formal
- parameter's depth, but the function decl will get the actual
- argument's depth. */
-#define DECL_POINTER_DEPTH(DECL) (DECL_CHECK (DECL)->decl.pointer_depth)
+/* 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)
-struct function;
+/* 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)
-struct tree_decl
+/* FUNCTION_DECL inherits from DECL_NON_COMMON because of the use of the
+ arguments/result/saved_tree fields by front ends. It was either inherit
+ FUNCTION_DECL from non_common, or inherit non_common from FUNCTION_DECL,
+ which seemed a bit strange. */
+
+struct tree_function_decl GTY(())
{
- struct tree_common common;
- const char *filename;
- int linenum;
- unsigned int uid;
- tree size;
- ENUM_BITFIELD(machine_mode) mode : 8;
+ struct tree_decl_non_common common;
- unsigned external_flag : 1;
- unsigned nonlocal_flag : 1;
- unsigned regdecl_flag : 1;
- unsigned inline_flag : 1;
- unsigned bit_field_flag : 1;
- unsigned virtual_flag : 1;
- unsigned ignored_flag : 1;
- unsigned abstract_flag : 1;
+ struct function *f;
+
+ /* Function specific options that are used by this function. */
+ tree function_specific_target; /* target options */
+ tree function_specific_optimization; /* optimization options */
+
+ /* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
+ DECL_FUNCTION_CODE. Otherwise unused.
+ ??? The bitfield needs to be able to hold all target function
+ codes as well. */
+ ENUM_BITFIELD(built_in_function) function_code : 11;
+ ENUM_BITFIELD(built_in_class) built_in_class : 2;
- unsigned in_system_header_flag : 1;
- unsigned common_flag : 1;
- unsigned defer_output : 1;
- unsigned transparent_union : 1;
unsigned static_ctor_flag : 1;
unsigned static_dtor_flag : 1;
- unsigned artificial_flag : 1;
- unsigned weak_flag : 1;
+ unsigned uninlinable : 1;
- unsigned non_addr_const_p : 1;
- unsigned no_instrument_function_entry_exit : 1;
- unsigned comdat_flag : 1;
+ unsigned possibly_inlined : 1;
+ unsigned novops_flag : 1;
+ unsigned returns_twice_flag : 1;
unsigned malloc_flag : 1;
+ unsigned operator_new_flag : 1;
+ unsigned declared_inline_flag : 1;
+ unsigned regdecl_flag : 1;
+
+ unsigned no_inline_warning_flag : 1;
+ unsigned no_instrument_function_entry_exit : 1;
unsigned no_limit_stack : 1;
- ENUM_BITFIELD(built_in_class) built_in_class : 2;
+ unsigned disregard_inline_limits : 1;
unsigned pure_flag : 1;
+ unsigned looping_const_or_pure_flag : 1;
- unsigned pointer_depth : 2;
- unsigned non_addressable : 1;
- unsigned user_align : 1;
- unsigned uninlinable : 1;
- /* Three unused bits. */
- unsigned lang_flag_0 : 1;
- unsigned lang_flag_1 : 1;
- unsigned lang_flag_2 : 1;
- unsigned lang_flag_3 : 1;
- unsigned lang_flag_4 : 1;
- unsigned lang_flag_5 : 1;
- unsigned lang_flag_6 : 1;
- unsigned lang_flag_7 : 1;
+ /* 3 bits left */
+};
- union {
- /* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
- DECL_FUNCTION_CODE. */
- enum built_in_function f;
- /* In a FUNCITON_DECL for which DECL_BUILT_IN does not hold, this
- is used by language-dependent code. */
- HOST_WIDE_INT i;
- /* DECL_ALIGN and DECL_OFFSET_ALIGN. (These are not used for
- FUNCTION_DECLs). */
- struct {unsigned int align : 24; unsigned int off_align : 8;} a;
- } u1;
+/* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
+#define DECL_ORIGINAL_TYPE(NODE) (TYPE_DECL_CHECK (NODE)->decl_non_common.result)
- tree size_unit;
- tree name;
- tree context;
- tree arguments; /* Also used for DECL_FIELD_OFFSET */
- tree result; /* Also used for DECL_BIT_FIELD_TYPE */
- tree initial; /* Also used for DECL_QUALIFIER */
- tree abstract_origin;
- tree assembler_name;
- tree section_name;
- tree attributes;
- rtx rtl; /* RTL representation for object. */
- rtx live_range_rtl;
-
- /* In FUNCTION_DECL, if it is inline, holds the saved insn chain.
- In FIELD_DECL, is DECL_FIELD_BIT_OFFSET.
- In PARM_DECL, holds an RTL for the stack slot
- of register where the data was actually passed.
- Used by Chill and Java in LABEL_DECL and by C++ and Java in VAR_DECL. */
- union {
- struct function *f;
- rtx r;
- tree t;
- int i;
- } u2;
-
- /* In a FUNCTION_DECL, this is DECL_SAVED_TREE. */
- tree saved_tree;
+/* In a TYPE_DECL nonzero means the detail info about this type is not dumped
+ into stabs. Instead it will generate cross reference ('x') of names.
+ This uses the same flag as DECL_EXTERNAL. */
+#define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
+ (TYPE_DECL_CHECK (NODE)->decl_common.decl_flag_2)
- /* In a FUNCTION_DECL, these are function data which is to be kept
- as long as FUNCTION_DECL is kept. */
- tree inlined_fns;
+/* Getter of the imported declaration associated to the
+ IMPORTED_DECL node. */
+#define IMPORTED_DECL_ASSOCIATED_DECL(NODE) \
+(DECL_INITIAL (IMPORTED_DECL_CHECK (NODE)))
- tree vindex;
- HOST_WIDE_INT pointer_alias_set;
- /* Points to a structure whose details depend on the language in use. */
- struct lang_decl *lang_specific;
+struct tree_type_decl GTY(())
+{
+ struct tree_decl_non_common common;
+
+};
+\f
+/* A STATEMENT_LIST chains statements together in GENERIC and GIMPLE.
+ To reduce overhead, the nodes containing the statements are not trees.
+ This avoids the overhead of tree_common on all linked list elements.
+
+ Use the interface in tree-iterator.h to access this node. */
+
+#define STATEMENT_LIST_HEAD(NODE) \
+ (STATEMENT_LIST_CHECK (NODE)->stmt_list.head)
+#define STATEMENT_LIST_TAIL(NODE) \
+ (STATEMENT_LIST_CHECK (NODE)->stmt_list.tail)
+
+struct tree_statement_list_node
+ GTY ((chain_next ("%h.next"), chain_prev ("%h.prev")))
+{
+ struct tree_statement_list_node *prev;
+ struct tree_statement_list_node *next;
+ tree stmt;
+};
+
+struct tree_statement_list
+ GTY(())
+{
+ struct tree_common common;
+ struct tree_statement_list_node *head;
+ struct tree_statement_list_node *tail;
+};
+
+
+/* Optimization options used by a function. */
+
+struct tree_optimization_option GTY(())
+{
+ struct tree_common common;
+
+ /* The optimization options used by the user. */
+ struct cl_optimization opts;
+};
+
+#define TREE_OPTIMIZATION(NODE) \
+ (&OPTIMIZATION_NODE_CHECK (NODE)->optimization.opts)
+
+/* Return a tree node that encapsulates the current optimization options. */
+extern tree build_optimization_node (void);
+
+/* Target options used by a function. */
+
+struct tree_target_option GTY(())
+{
+ struct tree_common common;
+
+ /* The optimization options used by the user. */
+ struct cl_target_option opts;
};
+
+#define TREE_TARGET_OPTION(NODE) \
+ (&TARGET_OPTION_NODE_CHECK (NODE)->target_option.opts)
+
+/* Return a tree node that encapsulates the current target options. */
+extern tree build_target_option_node (void);
+
\f
/* Define the overall contents of a tree node.
It may be any of the structures declared above
for various types of node. */
-union tree_node
+union tree_node GTY ((ptr_alias (union lang_tree_node),
+ desc ("tree_node_structure (&%h)")))
{
- struct tree_common common;
- struct tree_int_cst int_cst;
- struct tree_real_cst real_cst;
- struct tree_vector vector;
- struct tree_string string;
- struct tree_complex complex;
- struct tree_identifier identifier;
- struct tree_decl decl;
- struct tree_type type;
- struct tree_list list;
- struct tree_vec vec;
- struct tree_exp exp;
- struct tree_block block;
- };
+ struct tree_base GTY ((tag ("TS_BASE"))) base;
+ struct tree_common GTY ((tag ("TS_COMMON"))) common;
+ struct tree_int_cst GTY ((tag ("TS_INT_CST"))) int_cst;
+ struct tree_real_cst GTY ((tag ("TS_REAL_CST"))) real_cst;
+ struct tree_fixed_cst GTY ((tag ("TS_FIXED_CST"))) fixed_cst;
+ struct tree_vector GTY ((tag ("TS_VECTOR"))) vector;
+ struct tree_string GTY ((tag ("TS_STRING"))) string;
+ struct tree_complex GTY ((tag ("TS_COMPLEX"))) complex;
+ struct tree_identifier GTY ((tag ("TS_IDENTIFIER"))) identifier;
+ struct tree_decl_minimal GTY((tag ("TS_DECL_MINIMAL"))) decl_minimal;
+ struct tree_decl_common GTY ((tag ("TS_DECL_COMMON"))) decl_common;
+ struct tree_decl_with_rtl GTY ((tag ("TS_DECL_WRTL"))) decl_with_rtl;
+ struct tree_decl_non_common GTY ((tag ("TS_DECL_NON_COMMON"))) decl_non_common;
+ struct tree_parm_decl GTY ((tag ("TS_PARM_DECL"))) parm_decl;
+ struct tree_decl_with_vis GTY ((tag ("TS_DECL_WITH_VIS"))) decl_with_vis;
+ struct tree_var_decl GTY ((tag ("TS_VAR_DECL"))) var_decl;
+ struct tree_field_decl GTY ((tag ("TS_FIELD_DECL"))) field_decl;
+ struct tree_label_decl GTY ((tag ("TS_LABEL_DECL"))) label_decl;
+ struct tree_result_decl GTY ((tag ("TS_RESULT_DECL"))) result_decl;
+ struct tree_const_decl GTY ((tag ("TS_CONST_DECL"))) const_decl;
+ struct tree_type_decl GTY ((tag ("TS_TYPE_DECL"))) type_decl;
+ struct tree_function_decl GTY ((tag ("TS_FUNCTION_DECL"))) function_decl;
+ struct tree_type GTY ((tag ("TS_TYPE"))) type;
+ struct tree_list GTY ((tag ("TS_LIST"))) list;
+ struct tree_vec GTY ((tag ("TS_VEC"))) vec;
+ struct tree_exp GTY ((tag ("TS_EXP"))) exp;
+ struct tree_ssa_name GTY ((tag ("TS_SSA_NAME"))) ssa_name;
+ struct tree_block GTY ((tag ("TS_BLOCK"))) block;
+ struct tree_binfo GTY ((tag ("TS_BINFO"))) binfo;
+ struct tree_statement_list GTY ((tag ("TS_STATEMENT_LIST"))) stmt_list;
+ struct tree_constructor GTY ((tag ("TS_CONSTRUCTOR"))) constructor;
+ struct tree_memory_tag GTY ((tag ("TS_MEMORY_TAG"))) mtag;
+ struct tree_omp_clause GTY ((tag ("TS_OMP_CLAUSE"))) omp_clause;
+ struct tree_memory_partition_tag GTY ((tag ("TS_MEMORY_PARTITION_TAG"))) mpt;
+ struct tree_optimization_option GTY ((tag ("TS_OPTIMIZATION"))) optimization;
+ struct tree_target_option GTY ((tag ("TS_TARGET_OPTION"))) target_option;
+};
\f
/* Standard named or nameless data types of the C compiler. */
TI_UINTSI_TYPE,
TI_UINTDI_TYPE,
TI_UINTTI_TYPE,
-
+
+ TI_UINT32_TYPE,
+ TI_UINT64_TYPE,
+
TI_INTEGER_ZERO,
TI_INTEGER_ONE,
TI_INTEGER_MINUS_ONE,
TI_BITSIZE_ONE,
TI_BITSIZE_UNIT,
+ TI_PUBLIC,
+ TI_PROTECTED,
+ TI_PRIVATE,
+
+ TI_BOOLEAN_FALSE,
+ TI_BOOLEAN_TRUE,
+
TI_COMPLEX_INTEGER_TYPE,
TI_COMPLEX_FLOAT_TYPE,
TI_COMPLEX_DOUBLE_TYPE,
TI_DOUBLE_TYPE,
TI_LONG_DOUBLE_TYPE,
+ TI_FLOAT_PTR_TYPE,
+ TI_DOUBLE_PTR_TYPE,
+ TI_LONG_DOUBLE_PTR_TYPE,
+ TI_INTEGER_PTR_TYPE,
+
TI_VOID_TYPE,
TI_PTR_TYPE,
TI_CONST_PTR_TYPE,
TI_SIZE_TYPE,
+ TI_PID_TYPE,
TI_PTRDIFF_TYPE,
TI_VA_LIST_TYPE,
+ TI_VA_LIST_GPR_COUNTER_FIELD,
+ TI_VA_LIST_FPR_COUNTER_FIELD,
+ TI_BOOLEAN_TYPE,
+ TI_FILEPTR_TYPE,
+
+ TI_DFLOAT32_TYPE,
+ TI_DFLOAT64_TYPE,
+ TI_DFLOAT128_TYPE,
+ TI_DFLOAT32_PTR_TYPE,
+ TI_DFLOAT64_PTR_TYPE,
+ TI_DFLOAT128_PTR_TYPE,
TI_VOID_LIST_NODE,
- TI_UV4SF_TYPE,
- TI_UV4SI_TYPE,
- TI_UV8HI_TYPE,
- TI_UV8QI_TYPE,
- TI_UV4HI_TYPE,
- TI_UV2SI_TYPE,
- TI_UV2SF_TYPE,
- TI_UV16QI_TYPE,
-
- TI_V4SF_TYPE,
- TI_V16SF_TYPE,
- TI_V4SI_TYPE,
- TI_V8HI_TYPE,
- TI_V8QI_TYPE,
- TI_V4HI_TYPE,
- TI_V2SI_TYPE,
- TI_V2SF_TYPE,
- TI_V16QI_TYPE,
-
TI_MAIN_IDENTIFIER,
+ TI_SAT_SFRACT_TYPE,
+ TI_SAT_FRACT_TYPE,
+ TI_SAT_LFRACT_TYPE,
+ TI_SAT_LLFRACT_TYPE,
+ TI_SAT_USFRACT_TYPE,
+ TI_SAT_UFRACT_TYPE,
+ TI_SAT_ULFRACT_TYPE,
+ TI_SAT_ULLFRACT_TYPE,
+ TI_SFRACT_TYPE,
+ TI_FRACT_TYPE,
+ TI_LFRACT_TYPE,
+ TI_LLFRACT_TYPE,
+ TI_USFRACT_TYPE,
+ TI_UFRACT_TYPE,
+ TI_ULFRACT_TYPE,
+ TI_ULLFRACT_TYPE,
+ TI_SAT_SACCUM_TYPE,
+ TI_SAT_ACCUM_TYPE,
+ TI_SAT_LACCUM_TYPE,
+ TI_SAT_LLACCUM_TYPE,
+ TI_SAT_USACCUM_TYPE,
+ TI_SAT_UACCUM_TYPE,
+ TI_SAT_ULACCUM_TYPE,
+ TI_SAT_ULLACCUM_TYPE,
+ TI_SACCUM_TYPE,
+ TI_ACCUM_TYPE,
+ TI_LACCUM_TYPE,
+ TI_LLACCUM_TYPE,
+ TI_USACCUM_TYPE,
+ TI_UACCUM_TYPE,
+ TI_ULACCUM_TYPE,
+ TI_ULLACCUM_TYPE,
+ TI_QQ_TYPE,
+ TI_HQ_TYPE,
+ TI_SQ_TYPE,
+ TI_DQ_TYPE,
+ TI_TQ_TYPE,
+ TI_UQQ_TYPE,
+ TI_UHQ_TYPE,
+ TI_USQ_TYPE,
+ TI_UDQ_TYPE,
+ TI_UTQ_TYPE,
+ TI_SAT_QQ_TYPE,
+ TI_SAT_HQ_TYPE,
+ TI_SAT_SQ_TYPE,
+ TI_SAT_DQ_TYPE,
+ TI_SAT_TQ_TYPE,
+ TI_SAT_UQQ_TYPE,
+ TI_SAT_UHQ_TYPE,
+ TI_SAT_USQ_TYPE,
+ TI_SAT_UDQ_TYPE,
+ TI_SAT_UTQ_TYPE,
+ TI_HA_TYPE,
+ TI_SA_TYPE,
+ TI_DA_TYPE,
+ TI_TA_TYPE,
+ TI_UHA_TYPE,
+ TI_USA_TYPE,
+ TI_UDA_TYPE,
+ TI_UTA_TYPE,
+ TI_SAT_HA_TYPE,
+ TI_SAT_SA_TYPE,
+ TI_SAT_DA_TYPE,
+ TI_SAT_TA_TYPE,
+ TI_SAT_UHA_TYPE,
+ TI_SAT_USA_TYPE,
+ TI_SAT_UDA_TYPE,
+ TI_SAT_UTA_TYPE,
+
+ TI_OPTIMIZATION_DEFAULT,
+ TI_OPTIMIZATION_CURRENT,
+ TI_TARGET_OPTION_DEFAULT,
+ TI_TARGET_OPTION_CURRENT,
+ TI_CURRENT_TARGET_PRAGMA,
+ TI_CURRENT_OPTIMIZE_PRAGMA,
+
TI_MAX
};
-extern tree global_trees[TI_MAX];
+extern GTY(()) tree global_trees[TI_MAX];
#define error_mark_node global_trees[TI_ERROR_MARK]
-
+
#define intQI_type_node global_trees[TI_INTQI_TYPE]
#define intHI_type_node global_trees[TI_INTHI_TYPE]
#define intSI_type_node global_trees[TI_INTSI_TYPE]
#define unsigned_intDI_type_node global_trees[TI_UINTDI_TYPE]
#define unsigned_intTI_type_node global_trees[TI_UINTTI_TYPE]
+#define uint32_type_node global_trees[TI_UINT32_TYPE]
+#define uint64_type_node global_trees[TI_UINT64_TYPE]
+
#define integer_zero_node global_trees[TI_INTEGER_ZERO]
#define integer_one_node global_trees[TI_INTEGER_ONE]
#define integer_minus_one_node global_trees[TI_INTEGER_MINUS_ONE]
#define bitsize_one_node global_trees[TI_BITSIZE_ONE]
#define bitsize_unit_node global_trees[TI_BITSIZE_UNIT]
+/* Base access nodes. */
+#define access_public_node global_trees[TI_PUBLIC]
+#define access_protected_node global_trees[TI_PROTECTED]
+#define access_private_node global_trees[TI_PRIVATE]
+
#define null_pointer_node global_trees[TI_NULL_POINTER]
#define float_type_node global_trees[TI_FLOAT_TYPE]
#define double_type_node global_trees[TI_DOUBLE_TYPE]
#define long_double_type_node global_trees[TI_LONG_DOUBLE_TYPE]
+#define float_ptr_type_node global_trees[TI_FLOAT_PTR_TYPE]
+#define double_ptr_type_node global_trees[TI_DOUBLE_PTR_TYPE]
+#define long_double_ptr_type_node global_trees[TI_LONG_DOUBLE_PTR_TYPE]
+#define integer_ptr_type_node global_trees[TI_INTEGER_PTR_TYPE]
+
#define complex_integer_type_node global_trees[TI_COMPLEX_INTEGER_TYPE]
#define complex_float_type_node global_trees[TI_COMPLEX_FLOAT_TYPE]
#define complex_double_type_node global_trees[TI_COMPLEX_DOUBLE_TYPE]
#define const_ptr_type_node global_trees[TI_CONST_PTR_TYPE]
/* The C type `size_t'. */
#define size_type_node global_trees[TI_SIZE_TYPE]
+#define pid_type_node global_trees[TI_PID_TYPE]
#define ptrdiff_type_node global_trees[TI_PTRDIFF_TYPE]
#define va_list_type_node global_trees[TI_VA_LIST_TYPE]
+#define va_list_gpr_counter_field global_trees[TI_VA_LIST_GPR_COUNTER_FIELD]
+#define va_list_fpr_counter_field global_trees[TI_VA_LIST_FPR_COUNTER_FIELD]
+/* The C type `FILE *'. */
+#define fileptr_type_node global_trees[TI_FILEPTR_TYPE]
+
+#define boolean_type_node global_trees[TI_BOOLEAN_TYPE]
+#define boolean_false_node global_trees[TI_BOOLEAN_FALSE]
+#define boolean_true_node global_trees[TI_BOOLEAN_TRUE]
+
+/* The decimal floating point types. */
+#define dfloat32_type_node global_trees[TI_DFLOAT32_TYPE]
+#define dfloat64_type_node global_trees[TI_DFLOAT64_TYPE]
+#define dfloat128_type_node global_trees[TI_DFLOAT128_TYPE]
+#define dfloat32_ptr_type_node global_trees[TI_DFLOAT32_PTR_TYPE]
+#define dfloat64_ptr_type_node global_trees[TI_DFLOAT64_PTR_TYPE]
+#define dfloat128_ptr_type_node global_trees[TI_DFLOAT128_PTR_TYPE]
+
+/* The fixed-point types. */
+#define sat_short_fract_type_node global_trees[TI_SAT_SFRACT_TYPE]
+#define sat_fract_type_node global_trees[TI_SAT_FRACT_TYPE]
+#define sat_long_fract_type_node global_trees[TI_SAT_LFRACT_TYPE]
+#define sat_long_long_fract_type_node global_trees[TI_SAT_LLFRACT_TYPE]
+#define sat_unsigned_short_fract_type_node \
+ global_trees[TI_SAT_USFRACT_TYPE]
+#define sat_unsigned_fract_type_node global_trees[TI_SAT_UFRACT_TYPE]
+#define sat_unsigned_long_fract_type_node \
+ global_trees[TI_SAT_ULFRACT_TYPE]
+#define sat_unsigned_long_long_fract_type_node \
+ global_trees[TI_SAT_ULLFRACT_TYPE]
+#define short_fract_type_node global_trees[TI_SFRACT_TYPE]
+#define fract_type_node global_trees[TI_FRACT_TYPE]
+#define long_fract_type_node global_trees[TI_LFRACT_TYPE]
+#define long_long_fract_type_node global_trees[TI_LLFRACT_TYPE]
+#define unsigned_short_fract_type_node global_trees[TI_USFRACT_TYPE]
+#define unsigned_fract_type_node global_trees[TI_UFRACT_TYPE]
+#define unsigned_long_fract_type_node global_trees[TI_ULFRACT_TYPE]
+#define unsigned_long_long_fract_type_node \
+ global_trees[TI_ULLFRACT_TYPE]
+#define sat_short_accum_type_node global_trees[TI_SAT_SACCUM_TYPE]
+#define sat_accum_type_node global_trees[TI_SAT_ACCUM_TYPE]
+#define sat_long_accum_type_node global_trees[TI_SAT_LACCUM_TYPE]
+#define sat_long_long_accum_type_node global_trees[TI_SAT_LLACCUM_TYPE]
+#define sat_unsigned_short_accum_type_node \
+ global_trees[TI_SAT_USACCUM_TYPE]
+#define sat_unsigned_accum_type_node global_trees[TI_SAT_UACCUM_TYPE]
+#define sat_unsigned_long_accum_type_node \
+ global_trees[TI_SAT_ULACCUM_TYPE]
+#define sat_unsigned_long_long_accum_type_node \
+ global_trees[TI_SAT_ULLACCUM_TYPE]
+#define short_accum_type_node global_trees[TI_SACCUM_TYPE]
+#define accum_type_node global_trees[TI_ACCUM_TYPE]
+#define long_accum_type_node global_trees[TI_LACCUM_TYPE]
+#define long_long_accum_type_node global_trees[TI_LLACCUM_TYPE]
+#define unsigned_short_accum_type_node global_trees[TI_USACCUM_TYPE]
+#define unsigned_accum_type_node global_trees[TI_UACCUM_TYPE]
+#define unsigned_long_accum_type_node global_trees[TI_ULACCUM_TYPE]
+#define unsigned_long_long_accum_type_node \
+ global_trees[TI_ULLACCUM_TYPE]
+#define qq_type_node global_trees[TI_QQ_TYPE]
+#define hq_type_node global_trees[TI_HQ_TYPE]
+#define sq_type_node global_trees[TI_SQ_TYPE]
+#define dq_type_node global_trees[TI_DQ_TYPE]
+#define tq_type_node global_trees[TI_TQ_TYPE]
+#define uqq_type_node global_trees[TI_UQQ_TYPE]
+#define uhq_type_node global_trees[TI_UHQ_TYPE]
+#define usq_type_node global_trees[TI_USQ_TYPE]
+#define udq_type_node global_trees[TI_UDQ_TYPE]
+#define utq_type_node global_trees[TI_UTQ_TYPE]
+#define sat_qq_type_node global_trees[TI_SAT_QQ_TYPE]
+#define sat_hq_type_node global_trees[TI_SAT_HQ_TYPE]
+#define sat_sq_type_node global_trees[TI_SAT_SQ_TYPE]
+#define sat_dq_type_node global_trees[TI_SAT_DQ_TYPE]
+#define sat_tq_type_node global_trees[TI_SAT_TQ_TYPE]
+#define sat_uqq_type_node global_trees[TI_SAT_UQQ_TYPE]
+#define sat_uhq_type_node global_trees[TI_SAT_UHQ_TYPE]
+#define sat_usq_type_node global_trees[TI_SAT_USQ_TYPE]
+#define sat_udq_type_node global_trees[TI_SAT_UDQ_TYPE]
+#define sat_utq_type_node global_trees[TI_SAT_UTQ_TYPE]
+#define ha_type_node global_trees[TI_HA_TYPE]
+#define sa_type_node global_trees[TI_SA_TYPE]
+#define da_type_node global_trees[TI_DA_TYPE]
+#define ta_type_node global_trees[TI_TA_TYPE]
+#define uha_type_node global_trees[TI_UHA_TYPE]
+#define usa_type_node global_trees[TI_USA_TYPE]
+#define uda_type_node global_trees[TI_UDA_TYPE]
+#define uta_type_node global_trees[TI_UTA_TYPE]
+#define sat_ha_type_node global_trees[TI_SAT_HA_TYPE]
+#define sat_sa_type_node global_trees[TI_SAT_SA_TYPE]
+#define sat_da_type_node global_trees[TI_SAT_DA_TYPE]
+#define sat_ta_type_node global_trees[TI_SAT_TA_TYPE]
+#define sat_uha_type_node global_trees[TI_SAT_UHA_TYPE]
+#define sat_usa_type_node global_trees[TI_SAT_USA_TYPE]
+#define sat_uda_type_node global_trees[TI_SAT_UDA_TYPE]
+#define sat_uta_type_node global_trees[TI_SAT_UTA_TYPE]
/* The node that should be placed at the end of a parameter list to
indicate that the function does not take a variable number of
#define main_identifier_node global_trees[TI_MAIN_IDENTIFIER]
#define MAIN_NAME_P(NODE) (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
-#define unsigned_V16QI_type_node global_trees[TI_UV16QI_TYPE]
-#define unsigned_V4SI_type_node global_trees[TI_UV4SI_TYPE]
-#define unsigned_V8QI_type_node global_trees[TI_UV8QI_TYPE]
-#define unsigned_V8HI_type_node global_trees[TI_UV8HI_TYPE]
-#define unsigned_V4HI_type_node global_trees[TI_UV4HI_TYPE]
-#define unsigned_V2SI_type_node global_trees[TI_UV2SI_TYPE]
-
-#define V16QI_type_node global_trees[TI_V16QI_TYPE]
-#define V4SF_type_node global_trees[TI_V4SF_TYPE]
-#define V4SI_type_node global_trees[TI_V4SI_TYPE]
-#define V8QI_type_node global_trees[TI_V8QI_TYPE]
-#define V8HI_type_node global_trees[TI_V8HI_TYPE]
-#define V4HI_type_node global_trees[TI_V4HI_TYPE]
-#define V2SI_type_node global_trees[TI_V2SI_TYPE]
-#define V2SF_type_node global_trees[TI_V2SF_TYPE]
-#define V16SF_type_node global_trees[TI_V16SF_TYPE]
+/* Optimization options (OPTIMIZATION_NODE) to use for default and current
+ functions. */
+#define optimization_default_node global_trees[TI_OPTIMIZATION_DEFAULT]
+#define optimization_current_node global_trees[TI_OPTIMIZATION_CURRENT]
+
+/* Default/current target options (TARGET_OPTION_NODE). */
+#define target_option_default_node global_trees[TI_TARGET_OPTION_DEFAULT]
+#define target_option_current_node global_trees[TI_TARGET_OPTION_CURRENT]
+
+/* Default tree list option(), optimize() pragmas to be linked into the
+ attribute list. */
+#define current_target_pragma global_trees[TI_CURRENT_TARGET_PRAGMA]
+#define current_optimize_pragma global_trees[TI_CURRENT_OPTIMIZE_PRAGMA]
/* An enumeration of the standard C integer types. These must be
- ordered so that shorter types appear before longer ones. */
-enum integer_type_kind
+ ordered so that shorter types appear before longer ones, and so
+ that signed types appear before unsigned ones, for the correct
+ functioning of interpret_integer() in c-lex.c. */
+enum integer_type_kind
{
itk_char,
itk_signed_char,
/* The standard C integer types. Use integer_type_kind to index into
this array. */
-extern tree integer_types[itk_none];
+extern GTY(()) tree integer_types[itk_none];
#define char_type_node integer_types[itk_char]
#define signed_char_type_node integer_types[itk_signed_char]
#define long_unsigned_type_node integer_types[itk_unsigned_long]
#define long_long_integer_type_node integer_types[itk_long_long]
#define long_long_unsigned_type_node integer_types[itk_unsigned_long_long]
+\f
+/* Set to the default thread-local storage (tls) model to use. */
+
+extern enum tls_model flag_tls_default;
\f
/* A pointer-to-function member type looks like:
\f
#define NULL_TREE (tree) NULL
-/* Approximate positive square root of a host double. This is for
- statistical reports, not code generation. */
-extern double approx_sqrt PARAMS ((double));
-
-extern char *permalloc PARAMS ((int));
-extern char *expralloc PARAMS ((int));
+extern tree decl_assembler_name (tree);
+extern bool decl_assembler_name_equal (tree decl, const_tree asmname);
+extern hashval_t decl_assembler_name_hash (const_tree asmname);
/* Compute the number of bytes occupied by 'node'. This routine only
looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH. */
-extern size_t tree_size PARAMS ((tree));
+extern size_t tree_size (const_tree);
+
+/* Compute the number of bytes occupied by a tree with code CODE. This
+ function cannot be used for TREE_VEC codes, which are of variable
+ length. */
+extern size_t tree_code_size (enum tree_code);
/* Lowest level primitive for allocating a node.
The TREE_CODE is the only argument. Contents are initialized
to zero except for a few of the common fields. */
-extern tree make_node PARAMS ((enum tree_code));
-extern tree make_lang_type PARAMS ((enum tree_code));
-extern tree (*make_lang_type_fn) PARAMS ((enum tree_code));
+extern tree make_node_stat (enum tree_code MEM_STAT_DECL);
+#define make_node(t) make_node_stat (t MEM_STAT_INFO)
-/* Make a copy of a node, with all the same contents except
- for TREE_PERMANENT. (The copy is permanent
- iff nodes being made now are permanent.) */
+/* Make a copy of a node, with all the same contents. */
-extern tree copy_node PARAMS ((tree));
+extern tree copy_node_stat (tree MEM_STAT_DECL);
+#define copy_node(t) copy_node_stat (t MEM_STAT_INFO)
/* Make a copy of a chain of TREE_LIST nodes. */
-extern tree copy_list PARAMS ((tree));
+extern tree copy_list (tree);
+
+/* Make a BINFO. */
+extern tree make_tree_binfo_stat (unsigned MEM_STAT_DECL);
+#define make_tree_binfo(t) make_tree_binfo_stat (t MEM_STAT_INFO)
/* Make a TREE_VEC. */
-extern tree make_tree_vec PARAMS ((int));
+extern tree make_tree_vec_stat (int MEM_STAT_DECL);
+#define make_tree_vec(t) make_tree_vec_stat (t MEM_STAT_INFO)
/* Return the (unique) IDENTIFIER_NODE node for a given name.
The name is supplied as a char *. */
-extern tree get_identifier PARAMS ((const char *));
+extern tree get_identifier (const char *);
+
+#if GCC_VERSION >= 3000
+#define get_identifier(str) \
+ (__builtin_constant_p (str) \
+ ? get_identifier_with_length ((str), strlen (str)) \
+ : get_identifier (str))
+#endif
+
/* Identical to get_identifier, except that the length is assumed
known. */
-extern tree get_identifier_with_length PARAMS ((const char *, unsigned int));
+extern tree get_identifier_with_length (const char *, size_t);
/* If an identifier with the name TEXT (a null-terminated string) has
previously been referred to, return that node; otherwise return
NULL_TREE. */
-extern tree maybe_get_identifier PARAMS ((const char *));
+extern tree maybe_get_identifier (const char *);
/* Construct various types of nodes. */
-#define build_int_2(LO, HI) \
- build_int_2_wide ((unsigned HOST_WIDE_INT) (LO), (HOST_WIDE_INT) (HI))
-
-extern tree build PARAMS ((enum tree_code, tree, ...));
-extern tree build_nt PARAMS ((enum tree_code, ...));
-
-extern tree build_int_2_wide PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT));
-extern tree build_vector PARAMS ((tree, tree));
-extern tree build_real PARAMS ((tree, REAL_VALUE_TYPE));
-extern tree build_real_from_int_cst PARAMS ((tree, tree));
-extern tree build_complex PARAMS ((tree, tree, tree));
-extern tree build_string PARAMS ((int, const char *));
-extern tree build1 PARAMS ((enum tree_code, tree, tree));
-extern tree build_tree_list PARAMS ((tree, tree));
-extern tree build_decl PARAMS ((enum tree_code, tree, tree));
-extern tree build_block PARAMS ((tree, tree, tree, tree, tree));
-extern tree build_expr_wfl PARAMS ((tree, const char *, int, int));
+extern tree build_nt (enum tree_code, ...);
+extern tree build_nt_call_list (tree, tree);
+
+extern tree build0_stat (enum tree_code, tree MEM_STAT_DECL);
+#define build0(c,t) build0_stat (c,t MEM_STAT_INFO)
+extern tree build1_stat (enum tree_code, tree, tree MEM_STAT_DECL);
+#define build1(c,t1,t2) build1_stat (c,t1,t2 MEM_STAT_INFO)
+extern tree build2_stat (enum tree_code, tree, tree, tree MEM_STAT_DECL);
+#define build2(c,t1,t2,t3) build2_stat (c,t1,t2,t3 MEM_STAT_INFO)
+extern tree build3_stat (enum tree_code, tree, tree, tree, tree MEM_STAT_DECL);
+#define build3(c,t1,t2,t3,t4) build3_stat (c,t1,t2,t3,t4 MEM_STAT_INFO)
+extern tree build4_stat (enum tree_code, tree, tree, tree, tree,
+ tree MEM_STAT_DECL);
+#define build4(c,t1,t2,t3,t4,t5) build4_stat (c,t1,t2,t3,t4,t5 MEM_STAT_INFO)
+extern tree build5_stat (enum tree_code, tree, tree, tree, tree, tree,
+ tree MEM_STAT_DECL);
+#define build5(c,t1,t2,t3,t4,t5,t6) build5_stat (c,t1,t2,t3,t4,t5,t6 MEM_STAT_INFO)
+extern tree build7_stat (enum tree_code, tree, tree, tree, tree, tree,
+ tree, tree, tree MEM_STAT_DECL);
+#define build7(c,t1,t2,t3,t4,t5,t6,t7,t8) \
+ build7_stat (c,t1,t2,t3,t4,t5,t6,t7,t8 MEM_STAT_INFO)
+
+extern tree build_int_cst (tree, HOST_WIDE_INT);
+extern tree build_int_cst_type (tree, HOST_WIDE_INT);
+extern tree build_int_cstu (tree, unsigned HOST_WIDE_INT);
+extern tree build_int_cst_wide (tree, unsigned HOST_WIDE_INT, HOST_WIDE_INT);
+extern tree build_int_cst_wide_type (tree,
+ unsigned HOST_WIDE_INT, HOST_WIDE_INT);
+extern tree build_vector (tree, tree);
+extern tree build_vector_from_ctor (tree, VEC(constructor_elt,gc) *);
+extern tree build_constructor (tree, VEC(constructor_elt,gc) *);
+extern tree build_constructor_single (tree, tree, tree);
+extern tree build_constructor_from_list (tree, tree);
+extern tree build_real_from_int_cst (tree, const_tree);
+extern tree build_complex (tree, tree, tree);
+extern tree build_one_cst (tree);
+extern tree build_string (int, const char *);
+extern tree build_tree_list_stat (tree, tree MEM_STAT_DECL);
+#define build_tree_list(t,q) build_tree_list_stat(t,q MEM_STAT_INFO)
+extern tree build_decl_stat (enum tree_code, tree, tree MEM_STAT_DECL);
+extern tree build_fn_decl (const char *, tree);
+#define build_decl(c,t,q) build_decl_stat (c,t,q MEM_STAT_INFO)
+extern tree build_block (tree, tree, tree, tree);
+extern tree build_empty_stmt (void);
+extern tree build_omp_clause (enum omp_clause_code);
+
+extern tree build_vl_exp_stat (enum tree_code, int MEM_STAT_DECL);
+#define build_vl_exp(c,n) build_vl_exp_stat (c,n MEM_STAT_INFO)
+
+extern tree build_call_list (tree, tree, tree);
+extern tree build_call_nary (tree, tree, int, ...);
+extern tree build_call_valist (tree, tree, int, va_list);
+extern tree build_call_array (tree, tree, int, tree*);
/* Construct various nodes representing data types. */
-extern tree make_signed_type PARAMS ((int));
-extern tree make_unsigned_type PARAMS ((int));
-extern void initialize_sizetypes PARAMS ((void));
-extern void set_sizetype PARAMS ((tree));
-extern tree signed_or_unsigned_type PARAMS ((int, tree));
-extern void fixup_unsigned_type PARAMS ((tree));
-extern tree build_pointer_type PARAMS ((tree));
-extern tree build_reference_type PARAMS ((tree));
-extern tree build_type_no_quals PARAMS ((tree));
-extern tree build_index_type PARAMS ((tree));
-extern tree build_index_2_type PARAMS ((tree, tree));
-extern tree build_array_type PARAMS ((tree, tree));
-extern tree build_function_type PARAMS ((tree, tree));
-extern tree build_method_type PARAMS ((tree, tree));
-extern tree build_offset_type PARAMS ((tree, tree));
-extern tree build_complex_type PARAMS ((tree));
-extern tree array_type_nelts PARAMS ((tree));
-
-extern tree value_member PARAMS ((tree, tree));
-extern tree purpose_member PARAMS ((tree, tree));
-extern tree binfo_member PARAMS ((tree, tree));
-extern unsigned int attribute_hash_list PARAMS ((tree));
-extern int attribute_list_equal PARAMS ((tree, tree));
-extern int attribute_list_contained PARAMS ((tree, tree));
-extern int tree_int_cst_equal PARAMS ((tree, tree));
-extern int tree_int_cst_lt PARAMS ((tree, tree));
-extern int tree_int_cst_compare PARAMS ((tree, tree));
-extern int host_integerp PARAMS ((tree, int));
-extern HOST_WIDE_INT tree_low_cst PARAMS ((tree, int));
-extern int tree_int_cst_msb PARAMS ((tree));
-extern int tree_int_cst_sgn PARAMS ((tree));
-extern int tree_expr_nonnegative_p PARAMS ((tree));
-extern int rtl_expr_nonnegative_p PARAMS ((rtx));
-extern int index_type_equal PARAMS ((tree, tree));
-extern tree get_inner_array_type PARAMS ((tree));
+extern tree make_signed_type (int);
+extern tree make_unsigned_type (int);
+extern tree signed_or_unsigned_type_for (int, tree);
+extern tree signed_type_for (tree);
+extern tree unsigned_type_for (tree);
+extern void initialize_sizetypes (bool);
+extern void set_sizetype (tree);
+extern void fixup_unsigned_type (tree);
+extern tree build_pointer_type_for_mode (tree, enum machine_mode, bool);
+extern tree build_pointer_type (tree);
+extern tree build_reference_type_for_mode (tree, enum machine_mode, bool);
+extern tree build_reference_type (tree);
+extern tree build_vector_type_for_mode (tree, enum machine_mode);
+extern tree build_vector_type (tree innertype, int nunits);
+extern tree build_type_no_quals (tree);
+extern tree build_index_type (tree);
+extern tree build_index_2_type (tree, tree);
+extern tree build_array_type (tree, tree);
+extern tree build_function_type (tree, tree);
+extern tree build_function_type_list (tree, ...);
+extern tree build_function_type_skip_args (tree, bitmap);
+extern tree build_function_decl_skip_args (tree, bitmap);
+extern tree build_varargs_function_type_list (tree, ...);
+extern tree build_method_type_directly (tree, tree, tree);
+extern tree build_method_type (tree, tree);
+extern tree build_offset_type (tree, tree);
+extern tree build_complex_type (tree);
+extern tree build_resx (int);
+extern tree array_type_nelts (const_tree);
+extern bool in_array_bounds_p (tree);
+extern bool range_in_array_bounds_p (tree);
+
+extern tree value_member (tree, tree);
+extern tree purpose_member (const_tree, tree);
+
+extern int attribute_list_equal (const_tree, const_tree);
+extern int attribute_list_contained (const_tree, const_tree);
+extern int tree_int_cst_equal (const_tree, const_tree);
+extern int tree_int_cst_lt (const_tree, const_tree);
+extern int tree_int_cst_compare (const_tree, const_tree);
+extern int host_integerp (const_tree, int);
+extern HOST_WIDE_INT tree_low_cst (const_tree, int);
+extern int tree_int_cst_msb (const_tree);
+extern int tree_int_cst_sgn (const_tree);
+extern int tree_int_cst_sign_bit (const_tree);
+extern unsigned int tree_int_cst_min_precision (tree, bool);
+extern bool tree_expr_nonnegative_p (tree);
+extern bool tree_expr_nonnegative_warnv_p (tree, bool *);
+extern bool may_negate_without_overflow_p (const_tree);
+extern tree strip_array_types (tree);
+
+/* Construct various nodes representing fract or accum data types. */
+
+extern tree make_fract_type (int, int, int);
+extern tree make_accum_type (int, int, int);
+
+#define make_signed_fract_type(P) make_fract_type (P, 0, 0)
+#define make_unsigned_fract_type(P) make_fract_type (P, 1, 0)
+#define make_sat_signed_fract_type(P) make_fract_type (P, 0, 1)
+#define make_sat_unsigned_fract_type(P) make_fract_type (P, 1, 1)
+#define make_signed_accum_type(P) make_accum_type (P, 0, 0)
+#define make_unsigned_accum_type(P) make_accum_type (P, 1, 0)
+#define make_sat_signed_accum_type(P) make_accum_type (P, 0, 1)
+#define make_sat_unsigned_accum_type(P) make_accum_type (P, 1, 1)
+
+#define make_or_reuse_signed_fract_type(P) \
+ make_or_reuse_fract_type (P, 0, 0)
+#define make_or_reuse_unsigned_fract_type(P) \
+ make_or_reuse_fract_type (P, 1, 0)
+#define make_or_reuse_sat_signed_fract_type(P) \
+ make_or_reuse_fract_type (P, 0, 1)
+#define make_or_reuse_sat_unsigned_fract_type(P) \
+ make_or_reuse_fract_type (P, 1, 1)
+#define make_or_reuse_signed_accum_type(P) \
+ make_or_reuse_accum_type (P, 0, 0)
+#define make_or_reuse_unsigned_accum_type(P) \
+ make_or_reuse_accum_type (P, 1, 0)
+#define make_or_reuse_sat_signed_accum_type(P) \
+ make_or_reuse_accum_type (P, 0, 1)
+#define make_or_reuse_sat_unsigned_accum_type(P) \
+ make_or_reuse_accum_type (P, 1, 1)
/* From expmed.c. Since rtl.h is included after tree.h, we can't
put the prototype here. Rtl.h does declare the prototype if
tree.h had been included. */
-extern tree make_tree PARAMS ((tree, rtx));
+extern tree make_tree (tree, rtx);
\f
/* Return a type like TTYPE except that its TYPE_ATTRIBUTES
is ATTRIBUTE.
Such modified types already made are recorded so that duplicates
are not made. */
-extern tree build_type_attribute_variant PARAMS ((tree, tree));
-extern tree build_decl_attribute_variant PARAMS ((tree, tree));
+extern tree build_type_attribute_variant (tree, tree);
+extern tree build_decl_attribute_variant (tree, tree);
/* Structure describing an attribute and a function to handle it. */
struct attribute_spec
otherwise the return value should be NULL_TREE. This pointer may be
NULL if no special handling is required beyond the checks implied
by the rest of this structure. */
- tree (*const handler) PARAMS ((tree *node, tree name, tree args,
- int flags, bool *no_add_attrs));
+ tree (*const handler) (tree *node, tree name, tree args,
+ int flags, bool *no_add_attrs);
};
-extern const struct attribute_spec default_target_attribute_table[];
-
/* Flags that may be passed in the third argument of decl_attributes, and
to handler functions for attributes. */
enum attribute_flags
/* Default versions of target-overridable functions. */
-extern tree merge_decl_attributes PARAMS ((tree, tree));
-extern tree merge_type_attributes PARAMS ((tree, tree));
-extern int default_comp_type_attributes PARAMS ((tree, tree));
-extern void default_set_default_type_attributes PARAMS ((tree));
-extern void default_insert_attributes PARAMS ((tree, tree *));
-extern bool default_function_attribute_inlinable_p PARAMS ((tree));
-extern bool default_ms_bitfield_layout_p PARAMS ((tree));
-
-/* Split a list of declspecs and attributes into two. */
+extern tree merge_decl_attributes (tree, tree);
+extern tree merge_type_attributes (tree, tree);
-extern void split_specs_attrs PARAMS ((tree, tree *, tree *));
-
-/* Strip attributes from a list of combined specs and attrs. */
-
-extern tree strip_attrs PARAMS ((tree));
-
-/* Return 1 if an attribute and its arguments are valid for a decl or type. */
-
-extern int valid_machine_attribute PARAMS ((tree, tree, tree, tree));
-
-/* Given a tree node and a string, return non-zero if the tree node is
+/* Given a tree node and a string, return nonzero if the tree node is
a valid attribute name for the string. */
-extern int is_attribute_p PARAMS ((const char *, tree));
+extern int is_attribute_p (const char *, const_tree);
/* Given an attribute name and a list of attributes, return the list element
of the attribute or NULL_TREE if not found. */
-extern tree lookup_attribute PARAMS ((const char *, tree));
+extern tree lookup_attribute (const char *, tree);
+
+/* Remove any instances of attribute ATTR_NAME in LIST and return the
+ modified list. */
+
+extern tree remove_attribute (const char *, tree);
/* Given two attributes lists, return a list of their union. */
-extern tree merge_attributes PARAMS ((tree, tree));
+extern tree merge_attributes (tree, tree);
-#ifdef TARGET_DLLIMPORT_DECL_ATTRIBUTES
+#if TARGET_DLLIMPORT_DECL_ATTRIBUTES
/* Given two Windows decl attributes lists, possibly including
dllimport, return a list of their union . */
-extern tree merge_dllimport_decl_attributes PARAMS ((tree, tree));
+extern tree merge_dllimport_decl_attributes (tree, tree);
+
+/* Handle a "dllimport" or "dllexport" attribute. */
+extern tree handle_dll_attribute (tree *, tree, tree, int, bool *);
#endif
+/* Check whether CAND is suitable to be returned from get_qualified_type
+ (BASE, TYPE_QUALS). */
+
+extern bool check_qualified_type (const_tree, const_tree, int);
+
/* Return a version of the TYPE, qualified as indicated by the
TYPE_QUALS, if one exists. If no qualified version exists yet,
return NULL_TREE. */
-extern tree get_qualified_type PARAMS ((tree, int));
+extern tree get_qualified_type (tree, int);
/* Like get_qualified_type, but creates the type if it does not
exist. This function never returns NULL_TREE. */
-extern tree build_qualified_type PARAMS ((tree, int));
+extern tree build_qualified_type (tree, int);
/* Like build_qualified_type, but only deals with the `const' and
`volatile' qualifiers. This interface is retained for backwards
- compatiblity with the various front-ends; new code should use
+ compatibility with the various front-ends; new code should use
build_qualified_type instead. */
#define build_type_variant(TYPE, CONST_P, VOLATILE_P) \
/* Make a copy of a type node. */
-extern tree build_type_copy PARAMS ((tree));
+extern tree build_distinct_type_copy (tree);
+extern tree build_variant_type_copy (tree);
+
+/* Finish up a builtin RECORD_TYPE. Give it a name and provide its
+ fields. Optionally specify an alignment, and then lay it out. */
+
+extern void finish_builtin_struct (tree, const char *,
+ tree, tree);
/* Given a ..._TYPE node, calculate the TYPE_SIZE, TYPE_SIZE_UNIT,
TYPE_ALIGN and TYPE_MODE fields. If called more than once on one
node, does nothing except for the first time. */
-extern void layout_type PARAMS ((tree));
+extern void layout_type (tree);
/* These functions allow a front-end to perform a manual layout of a
RECORD_TYPE. (For instance, if the placement of subsequent fields
tree bitpos;
/* The alignment of the record so far, in bits. */
unsigned int record_align;
- /* The alignment of the record so far, not including padding, in bits. */
+ /* The alignment of the record so far, ignoring #pragma pack and
+ __attribute__ ((packed)), in bits. */
unsigned int unpacked_align;
- /* The alignment of the record so far, allowing for the record to be
- padded only at the end, in bits. */
- unsigned int unpadded_align;
/* The previous field layed out. */
tree prev_field;
/* The static variables (i.e., class variables, as opposed to
instance variables) encountered in T. */
tree pending_statics;
+ /* Bits remaining in the current alignment group */
+ int remaining_in_alignment;
+ /* True if we've seen a packed field that didn't have normal
+ alignment anyway. */
int packed_maybe_necessary;
} *record_layout_info;
-extern void set_lang_adjust_rli PARAMS ((void (*) PARAMS
- ((record_layout_info))));
-extern record_layout_info start_record_layout PARAMS ((tree));
-extern tree bit_from_pos PARAMS ((tree, tree));
-extern tree byte_from_pos PARAMS ((tree, tree));
-extern void pos_from_byte PARAMS ((tree *, tree *, unsigned int,
- tree));
-extern void pos_from_bit PARAMS ((tree *, tree *, unsigned int,
- tree));
-extern void normalize_offset PARAMS ((tree *, tree *,
- unsigned int));
-extern tree rli_size_unit_so_far PARAMS ((record_layout_info));
-extern tree rli_size_so_far PARAMS ((record_layout_info));
-extern void normalize_rli PARAMS ((record_layout_info));
-extern void place_field PARAMS ((record_layout_info, tree));
-extern void compute_record_mode PARAMS ((tree));
-extern void finish_record_layout PARAMS ((record_layout_info));
+extern record_layout_info start_record_layout (tree);
+extern tree bit_from_pos (tree, tree);
+extern tree byte_from_pos (tree, tree);
+extern void pos_from_bit (tree *, tree *, unsigned int, tree);
+extern void normalize_offset (tree *, tree *, unsigned int);
+extern tree rli_size_unit_so_far (record_layout_info);
+extern tree rli_size_so_far (record_layout_info);
+extern void normalize_rli (record_layout_info);
+extern void place_field (record_layout_info, tree);
+extern void compute_record_mode (tree);
+extern void finish_record_layout (record_layout_info, int);
/* Given a hashcode and a ..._TYPE node (for which the hashcode was made),
return a canonicalized ..._TYPE node, so that duplicates are not made.
How the hash code is computed is up to the caller, as long as any two
callers that could hash identical-looking type nodes agree. */
-extern tree type_hash_canon PARAMS ((unsigned int, tree));
+extern tree type_hash_canon (unsigned int, tree);
/* Given a VAR_DECL, PARM_DECL, RESULT_DECL or FIELD_DECL node,
calculates the DECL_SIZE, DECL_SIZE_UNIT, DECL_ALIGN and DECL_MODE
be starting at (in bits). Zero means it can be assumed aligned
on any boundary that may be needed. */
-extern void layout_decl PARAMS ((tree, unsigned));
+extern void layout_decl (tree, unsigned);
+
+/* Given a VAR_DECL, PARM_DECL or RESULT_DECL, clears the results of
+ a previous call to layout_decl and calls it again. */
+
+extern void relayout_decl (tree);
/* Return the mode for data of a given size SIZE and mode class CLASS.
If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE.
The value is BLKmode if no other mode is found. This is like
mode_for_size, but is passed a tree. */
-extern enum machine_mode mode_for_size_tree PARAMS ((tree, enum mode_class,
- int));
+extern enum machine_mode mode_for_size_tree (const_tree, enum mode_class, int);
/* Return an expr equal to X but certainly not valid as an lvalue. */
-extern tree non_lvalue PARAMS ((tree));
-extern tree pedantic_non_lvalue PARAMS ((tree));
-
-extern tree convert PARAMS ((tree, tree));
-extern unsigned int expr_align PARAMS ((tree));
-extern tree size_in_bytes PARAMS ((tree));
-extern HOST_WIDE_INT int_size_in_bytes PARAMS ((tree));
-extern tree bit_position PARAMS ((tree));
-extern HOST_WIDE_INT int_bit_position PARAMS ((tree));
-extern tree byte_position PARAMS ((tree));
-extern HOST_WIDE_INT int_byte_position PARAMS ((tree));
+extern tree non_lvalue (tree);
+
+extern tree convert (tree, tree);
+extern unsigned int expr_align (const_tree);
+extern tree expr_first (tree);
+extern tree expr_last (tree);
+extern tree expr_only (tree);
+extern tree size_in_bytes (const_tree);
+extern HOST_WIDE_INT int_size_in_bytes (const_tree);
+extern HOST_WIDE_INT max_int_size_in_bytes (const_tree);
+extern tree bit_position (const_tree);
+extern HOST_WIDE_INT int_bit_position (const_tree);
+extern tree byte_position (const_tree);
+extern HOST_WIDE_INT int_byte_position (const_tree);
/* Define data structures, macros, and functions for handling sizes
and the various types used to represent sizes. */
{
SIZETYPE, /* Normal representation of sizes in bytes. */
SSIZETYPE, /* Signed representation of sizes in bytes. */
- USIZETYPE, /* Unsigned representation of sizes in bytes. */
BITSIZETYPE, /* Normal representation of sizes in bits. */
SBITSIZETYPE, /* Signed representation of sizes in bits. */
- UBITSIZETYPE, /* Unsifgned representation of sizes in bits. */
TYPE_KIND_LAST};
-extern tree sizetype_tab[(int) TYPE_KIND_LAST];
+extern GTY(()) tree sizetype_tab[(int) TYPE_KIND_LAST];
#define sizetype sizetype_tab[(int) SIZETYPE]
#define bitsizetype sizetype_tab[(int) BITSIZETYPE]
#define ssizetype sizetype_tab[(int) SSIZETYPE]
-#define usizetype sizetype_tab[(int) USIZETYPE]
#define sbitsizetype sizetype_tab[(int) SBITSIZETYPE]
-#define ubitsizetype sizetype_tab[(int) UBITSIZETYPE]
-
-extern tree size_binop PARAMS ((enum tree_code, tree, tree));
-extern tree size_diffop PARAMS ((tree, tree));
-extern tree size_int_wide PARAMS ((HOST_WIDE_INT,
- enum size_type_kind));
-extern tree size_int_type_wide PARAMS ((HOST_WIDE_INT, tree));
-
-#define size_int_type(L, T) size_int_type_wide ((HOST_WIDE_INT) (L), T)
-#define size_int(L) size_int_wide ((HOST_WIDE_INT) (L), SIZETYPE)
-#define ssize_int(L) size_int_wide ((HOST_WIDE_INT) (L), SSIZETYPE)
-#define bitsize_int(L) size_int_wide ((HOST_WIDE_INT) (L), BITSIZETYPE)
-#define sbitsize_int(L) size_int_wide ((HOST_WIDE_INT) (L), SBITSIZETYPE)
-
-extern tree round_up PARAMS ((tree, int));
-extern tree round_down PARAMS ((tree, int));
-extern tree get_pending_sizes PARAMS ((void));
-extern int is_pending_size PARAMS ((tree));
-extern void put_pending_size PARAMS ((tree));
-extern void put_pending_sizes PARAMS ((tree));
+
+extern tree size_int_kind (HOST_WIDE_INT, enum size_type_kind);
+extern tree size_binop (enum tree_code, tree, tree);
+extern tree size_diffop (tree, tree);
+
+#define size_int(L) size_int_kind (L, SIZETYPE)
+#define ssize_int(L) size_int_kind (L, SSIZETYPE)
+#define bitsize_int(L) size_int_kind (L, BITSIZETYPE)
+#define sbitsize_int(L) size_int_kind (L, SBITSIZETYPE)
+
+extern tree round_up (tree, int);
+extern tree round_down (tree, int);
+extern tree get_pending_sizes (void);
+extern void put_pending_size (tree);
+extern void put_pending_sizes (tree);
/* Type for sizes of data-type. */
+ (BITS_PER_UNIT > 8) + (BITS_PER_UNIT > 16) + (BITS_PER_UNIT > 32) \
+ (BITS_PER_UNIT > 64) + (BITS_PER_UNIT > 128) + (BITS_PER_UNIT > 256))
-/* If nonzero, an upper limit on alignment of structure fields, in bits. */
+/* If nonzero, an upper limit on alignment of structure fields, in bits, */
extern unsigned int maximum_field_alignment;
-
-/* If non-zero, the alignment of a bitstring or (power-)set value, in bits. */
-extern unsigned int set_alignment;
+/* and its original value in bytes, specified via -fpack-struct=<value>. */
+extern unsigned int initial_max_fld_align;
/* Concatenate two lists (chains of TREE_LIST nodes) X and Y
by making the last node in X point to Y.
Returns X, except if X is 0 returns Y. */
-extern tree chainon PARAMS ((tree, tree));
+extern tree chainon (tree, tree);
/* Make a new TREE_LIST node from specified PURPOSE, VALUE and CHAIN. */
-extern tree tree_cons PARAMS ((tree, tree, tree));
+extern tree tree_cons_stat (tree, tree, tree MEM_STAT_DECL);
+#define tree_cons(t,q,w) tree_cons_stat (t,q,w MEM_STAT_INFO)
/* Return the last tree node in a chain. */
-extern tree tree_last PARAMS ((tree));
+extern tree tree_last (tree);
/* Reverse the order of elements in a chain, and return the new head. */
-extern tree nreverse PARAMS ((tree));
+extern tree nreverse (tree);
/* Returns the length of a chain of nodes
(number of chain pointers to follow before reaching a null pointer). */
-extern int list_length PARAMS ((tree));
+extern int list_length (const_tree);
/* Returns the number of FIELD_DECLs in a type. */
-extern int fields_length PARAMS ((tree));
+extern int fields_length (const_tree);
-/* integer_zerop (tree x) is nonzero if X is an integer constant of value 0 */
+/* Given an initializer INIT, return TRUE if INIT is zero or some
+ aggregate of zeros. Otherwise return FALSE. */
-extern int integer_zerop PARAMS ((tree));
+extern bool initializer_zerop (const_tree);
-/* integer_onep (tree x) is nonzero if X is an integer constant of value 1 */
+/* Given a CONSTRUCTOR CTOR, return the elements as a TREE_LIST. */
-extern int integer_onep PARAMS ((tree));
+extern tree ctor_to_list (tree);
-/* integer_all_onesp (tree x) is nonzero if X is an integer constant
- all of whose significant bits are 1. */
+/* Examine CTOR to discover:
+ * how many scalar fields are set to nonzero values,
+ and place it in *P_NZ_ELTS;
+ * how many scalar fields in total are in CTOR,
+ and place it in *P_ELT_COUNT.
+ * if a type is a union, and the initializer from the constructor
+ is not the largest element in the union, then set *p_must_clear.
-extern int integer_all_onesp PARAMS ((tree));
+ Return whether or not CTOR is a valid static constant initializer, the same
+ as "initializer_constant_valid_p (CTOR, TREE_TYPE (CTOR)) != 0". */
-/* integer_pow2p (tree x) is nonzero is X is an integer constant with
- exactly one bit 1. */
+extern bool categorize_ctor_elements (const_tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
+ bool *);
-extern int integer_pow2p PARAMS ((tree));
+extern HOST_WIDE_INT count_type_elements (const_tree, bool);
-/* staticp (tree x) is nonzero if X is a reference to data allocated
- at a fixed address in memory. */
+/* integer_zerop (tree x) is nonzero if X is an integer constant of value 0. */
-extern int staticp PARAMS ((tree));
+extern int integer_zerop (const_tree);
-/* Gets an error if argument X is not an lvalue.
- Also returns 1 if X is an lvalue, 0 if not. */
+/* integer_onep (tree x) is nonzero if X is an integer constant of value 1. */
-extern int lvalue_or_else PARAMS ((tree, const char *));
+extern int integer_onep (const_tree);
-/* save_expr (EXP) returns an expression equivalent to EXP
- but it can be used multiple times within context CTX
- and only evaluate EXP once. */
+/* integer_all_onesp (tree x) is nonzero if X is an integer constant
+ all of whose significant bits are 1. */
+
+extern int integer_all_onesp (const_tree);
+
+/* integer_pow2p (tree x) is nonzero is X is an integer constant with
+ exactly one bit 1. */
+
+extern int integer_pow2p (const_tree);
-extern tree save_expr PARAMS ((tree));
+/* integer_nonzerop (tree x) is nonzero if X is an integer constant
+ with a nonzero value. */
-/* Returns the index of the first non-tree operand for CODE, or the number
- of operands if all are trees. */
+extern int integer_nonzerop (const_tree);
-extern int first_rtl_op PARAMS ((enum tree_code));
+extern bool cst_and_fits_in_hwi (const_tree);
+extern tree num_ending_zeros (const_tree);
-/* unsave_expr (EXP) returns an expression equivalent to EXP but it
- can be used multiple times and will evaluate EXP in its entirety
- each time. */
+/* fixed_zerop (tree x) is nonzero if X is a fixed-point constant of
+ value 0. */
-extern tree unsave_expr PARAMS ((tree));
+extern int fixed_zerop (const_tree);
+
+/* staticp (tree x) is nonzero if X is a reference to data allocated
+ at a fixed address in memory. Returns the outermost data. */
-/* Reset EXP in place so that it can be expaned again. Does not
- recurse into subtrees. */
+extern tree staticp (tree);
-extern void unsave_expr_1 PARAMS ((tree));
+/* save_expr (EXP) returns an expression equivalent to EXP
+ but it can be used multiple times within context CTX
+ and only evaluate EXP once. */
-/* Like unsave_expr_1, but recurses into all subtrees. */
+extern tree save_expr (tree);
-extern tree unsave_expr_now PARAMS ((tree));
+/* Look inside EXPR and into any simple arithmetic operations. Return
+ the innermost non-arithmetic node. */
-/* If non-null, these are language-specific helper functions for
- unsave_expr_now. If present, LANG_UNSAVE is called before its
- argument (an UNSAVE_EXPR) is to be unsaved, and all other
- processing in unsave_expr_now is aborted. LANG_UNSAVE_EXPR_NOW is
- called from unsave_expr_1 for language-specific tree codes. */
-extern void (*lang_unsave) PARAMS ((tree *));
-extern void (*lang_unsave_expr_now) PARAMS ((tree));
+extern tree skip_simple_arithmetic (tree);
-/* Return 0 if it is safe to evaluate EXPR multiple times,
- return 1 if it is safe if EXPR is unsaved afterward, or
- return 2 if it is completely unsafe. */
-extern int unsafe_for_reeval PARAMS ((tree));
+/* Return which tree structure is used by T. */
-/* If non-null, these are language-specific helper functions for
- unsafe_for_reeval. Return negative to not handle some tree. */
-extern int (*lang_unsafe_for_reeval) PARAMS ((tree));
+enum tree_node_structure_enum tree_node_structure (const_tree);
/* Return 1 if EXP contains a PLACEHOLDER_EXPR; i.e., if it represents a size
or offset that depends on a field within a record.
Note that we only allow such expressions within simple arithmetic
or a COND_EXPR. */
-extern int contains_placeholder_p PARAMS ((tree));
+extern bool contains_placeholder_p (const_tree);
+
+/* This macro calls the above function but short-circuits the common
+ case of a constant to save time. Also check for null. */
-/* Return 1 if EXP contains any expressions that produce cleanups for an
- outer scope to deal with. Used by fold. */
+#define CONTAINS_PLACEHOLDER_P(EXP) \
+ ((EXP) != 0 && ! TREE_CONSTANT (EXP) && contains_placeholder_p (EXP))
-extern int has_cleanups PARAMS ((tree));
+/* Return 1 if any part of the computation of TYPE involves a PLACEHOLDER_EXPR.
+ This includes size, bounds, qualifiers (for QUAL_UNION_TYPE) and field
+ positions. */
+
+extern bool type_contains_placeholder_p (tree);
/* Given a tree EXP, a FIELD_DECL F, and a replacement value R,
return a tree with all occurrences of references to F in a
PLACEHOLDER_EXPR replaced by R. Note that we assume here that EXP
contains only arithmetic expressions. */
-extern tree substitute_in_expr PARAMS ((tree, tree, tree));
+extern tree substitute_in_expr (tree, tree, tree);
+
+/* This macro calls the above function but short-circuits the common
+ case of a constant to save time and also checks for NULL. */
+
+#define SUBSTITUTE_IN_EXPR(EXP, F, R) \
+ ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP) : substitute_in_expr (EXP, F, R))
+
+/* Similar, but look for a PLACEHOLDER_EXPR in EXP and find a replacement
+ for it within OBJ, a tree that is an object or a chain of references. */
+
+extern tree substitute_placeholder_in_expr (tree, tree);
+
+/* This macro calls the above function but short-circuits the common
+ case of a constant to save time and also checks for NULL. */
+
+#define SUBSTITUTE_PLACEHOLDER_IN_EXPR(EXP, OBJ) \
+ ((EXP) == 0 || TREE_CONSTANT (EXP) ? (EXP) \
+ : substitute_placeholder_in_expr (EXP, OBJ))
/* variable_size (EXP) is like save_expr (EXP) except that it
is for the special case of something that is part of a
to compute the value at the right time when the data type
belongs to a function parameter. */
-extern tree variable_size PARAMS ((tree));
+extern tree variable_size (tree);
-/* stabilize_reference (EXP) returns an reference equivalent to EXP
+/* stabilize_reference (EXP) returns a reference equivalent to EXP
but it can be used multiple times
and only evaluate the subexpressions once. */
-extern tree stabilize_reference PARAMS ((tree));
+extern tree stabilize_reference (tree);
/* Subroutine of stabilize_reference; this is called for subtrees of
references. Any expression with side-effects must be put in a SAVE_EXPR
to ensure that it is only evaluated once. */
-extern tree stabilize_reference_1 PARAMS ((tree));
+extern tree stabilize_reference_1 (tree);
/* Return EXP, stripped of any conversions to wider types
in such a way that the result of converting to type FOR_TYPE
is the same as if EXP were converted to FOR_TYPE.
If FOR_TYPE is 0, it signifies EXP's type. */
-extern tree get_unwidened PARAMS ((tree, tree));
+extern tree get_unwidened (tree, tree);
/* Return OP or a simpler expression for a narrower value
which can be sign-extended or zero-extended to give back OP.
Store in *UNSIGNEDP_PTR either 1 if the value should be zero-extended
or 0 if the value should be sign-extended. */
-extern tree get_narrower PARAMS ((tree, int *));
+extern tree get_narrower (tree, int *);
-/* Given MODE and UNSIGNEDP, return a suitable type-tree
- with that mode.
- The definition of this resides in language-specific code
- as the repertoire of available types may vary. */
+/* Return true if T is an expression that get_inner_reference handles. */
-extern tree type_for_mode PARAMS ((enum machine_mode, int));
+extern int handled_component_p (const_tree);
-/* Given PRECISION and UNSIGNEDP, return a suitable type-tree
- for an integer type with at least that precision.
- The definition of this resides in language-specific code
- as the repertoire of available types may vary. */
+/* Given an expression EXP that is a handled_component_p,
+ look for the ultimate containing object, which is returned and specify
+ the access position and size. */
-extern tree type_for_size PARAMS ((unsigned, int));
+extern tree get_inner_reference (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
+ tree *, enum machine_mode *, int *, int *,
+ bool);
-/* Given an integer type T, return a type like T but unsigned.
- If T is unsigned, the value is T.
- The definition of this resides in language-specific code
- as the repertoire of available types may vary. */
+/* Given an expression EXP that may be a COMPONENT_REF, an ARRAY_REF or an
+ ARRAY_RANGE_REF, look for whether EXP or any nested component-refs within
+ EXP is marked as PACKED. */
-extern tree unsigned_type PARAMS ((tree));
+extern bool contains_packed_reference (const_tree exp);
-/* Given an integer type T, return a type like T but signed.
- If T is signed, the value is T.
- The definition of this resides in language-specific code
- as the repertoire of available types may vary. */
+/* Return a tree of sizetype representing the size, in bytes, of the element
+ of EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
-extern tree signed_type PARAMS ((tree));
+extern tree array_ref_element_size (tree);
-/* This function must be defined in the language-specific files.
- expand_expr calls it to build the cleanup-expression for a TARGET_EXPR.
- This is defined in a language-specific file. */
+/* Return a tree representing the lower bound of the array mentioned in
+ EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
-extern tree maybe_build_cleanup PARAMS ((tree));
+extern tree array_ref_low_bound (tree);
-/* Given an expression EXP that may be a COMPONENT_REF or an ARRAY_REF,
- look for nested component-refs or array-refs at constant positions
- and find the ultimate containing object, which is returned. */
+/* Return a tree representing the upper bound of the array mentioned in
+ EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
-extern tree get_inner_reference PARAMS ((tree, HOST_WIDE_INT *,
- HOST_WIDE_INT *, tree *,
- enum machine_mode *, int *,
- int *));
+extern tree array_ref_up_bound (tree);
-/* Return 1 if T is an expression that get_inner_reference handles. */
+/* Return a tree representing the offset, in bytes, of the field referenced
+ by EXP. This does not include any offset in DECL_FIELD_BIT_OFFSET. */
-extern int handled_component_p PARAMS ((tree));
+extern tree component_ref_field_offset (tree);
/* Given a DECL or TYPE, return the scope in which it was declared, or
NUL_TREE if there is no containing scope. */
-extern tree get_containing_scope PARAMS ((tree));
+extern tree get_containing_scope (const_tree);
/* Return the FUNCTION_DECL which provides this _DECL with its context,
or zero if none. */
-extern tree decl_function_context PARAMS ((tree));
+extern tree decl_function_context (const_tree);
/* Return the RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE which provides
this _DECL with its context, or zero if none. */
-extern tree decl_type_context PARAMS ((tree));
-
-/* Given the FUNCTION_DECL for the current function,
- return zero if it is ok for this function to be inline.
- Otherwise return a warning message with a single %s
- for the function's name. */
-
-extern const char *function_cannot_inline_p PARAMS ((tree));
+extern tree decl_type_context (const_tree);
/* Return 1 if EXPR is the real constant zero. */
-extern int real_zerop PARAMS ((tree));
+extern int real_zerop (const_tree);
\f
/* Declare commonly used variables for tree structure. */
-/* Points to the name of the input file from which the current input
- being parsed originally came (before it went into cpp). */
-extern const char *input_filename;
-
-/* Current line number in input file. */
-extern int lineno;
-
/* Nonzero means lvalues are limited to those valid in pedantic ANSI C.
Zero means allow extended lvalues. */
extern int pedantic_lvalues;
-/* Nonzero means can safely call expand_expr now;
- otherwise layout_type puts variable sizes onto `pending_sizes' instead. */
-
-extern int immediate_size_expand;
-
/* Points to the FUNCTION_DECL of the function whose body we are reading. */
-extern tree current_function_decl;
+extern GTY(()) tree current_function_decl;
/* Nonzero means a FUNC_BEGIN label was emitted. */
-extern tree current_function_func_begin_label;
+extern GTY(()) const char * current_function_func_begin_label;
+\f
+/* Iterator for going through the function arguments. */
+typedef struct {
+ tree fntype; /* function type declaration */
+ tree next; /* TREE_LIST pointing to the next argument */
+} function_args_iterator;
+
+/* Initialize the iterator I with arguments from function FNDECL */
+
+static inline void
+function_args_iter_init (function_args_iterator *i, tree fntype)
+{
+ i->fntype = fntype;
+ i->next = TYPE_ARG_TYPES (fntype);
+}
+
+/* Return a pointer that holds the next argument if there are more arguments to
+ handle, otherwise return NULL. */
+
+static inline tree *
+function_args_iter_cond_ptr (function_args_iterator *i)
+{
+ return (i->next) ? &TREE_VALUE (i->next) : NULL;
+}
-/* Nonzero means all ..._TYPE nodes should be allocated permanently. */
+/* Return the next argument if there are more arguments to handle, otherwise
+ return NULL. */
-extern int all_types_permanent;
+static inline tree
+function_args_iter_cond (function_args_iterator *i)
+{
+ return (i->next) ? TREE_VALUE (i->next) : NULL_TREE;
+}
-/* Pointer to function to compute the name to use to print a declaration.
- DECL is the declaration in question.
- VERBOSITY determines what information will be printed:
- 0: DECL_NAME, demangled as necessary.
- 1: and scope information.
- 2: and any other information that might be interesting, such as function
- parameter types in C++. */
+/* Advance to the next argument. */
+static inline void
+function_args_iter_next (function_args_iterator *i)
+{
+ gcc_assert (i->next != NULL_TREE);
+ i->next = TREE_CHAIN (i->next);
+}
-extern const char *(*decl_printable_name) PARAMS ((tree, int));
+/* We set BLOCK_SOURCE_LOCATION only to inlined function entry points. */
-/* Pointer to function to finish handling an incomplete decl at the
- end of compilation. */
+static inline bool
+inlined_function_outer_scope_p (const_tree block)
+{
+ return BLOCK_SOURCE_LOCATION (block) != UNKNOWN_LOCATION;
+}
+
+/* Loop over all function arguments of FNTYPE. In each iteration, PTR is set
+ to point to the next tree element. ITER is an instance of
+ function_args_iterator used to iterate the arguments. */
+#define FOREACH_FUNCTION_ARGS_PTR(FNTYPE, PTR, ITER) \
+ for (function_args_iter_init (&(ITER), (FNTYPE)); \
+ (PTR = function_args_iter_cond_ptr (&(ITER))) != NULL; \
+ function_args_iter_next (&(ITER)))
+
+/* Loop over all function arguments of FNTYPE. In each iteration, TREE is set
+ to the next tree element. ITER is an instance of function_args_iterator
+ used to iterate the arguments. */
+#define FOREACH_FUNCTION_ARGS(FNTYPE, TREE, ITER) \
+ for (function_args_iter_init (&(ITER), (FNTYPE)); \
+ (TREE = function_args_iter_cond (&(ITER))) != NULL_TREE; \
+ function_args_iter_next (&(ITER)))
-extern void (*incomplete_decl_finalize_hook) PARAMS ((tree));
-/* Declare a predefined function. Return the declaration. This function is
- provided by each language frontend. */
-extern tree builtin_function PARAMS ((const char *, tree, int,
- enum built_in_class,
- const char *));
\f
/* In tree.c */
-extern char *perm_calloc PARAMS ((int, long));
-extern void clean_symbol_name PARAMS ((char *));
-extern tree get_file_function_name_long PARAMS ((const char *));
-extern tree get_set_constructor_bits PARAMS ((tree, char *, int));
-extern tree get_set_constructor_bytes PARAMS ((tree,
- unsigned char *, int));
-extern tree get_callee_fndecl PARAMS ((tree));
-extern void set_decl_assembler_name PARAMS ((tree));
-extern int type_num_arguments PARAMS ((tree));
+extern unsigned crc32_string (unsigned, const char *);
+extern void clean_symbol_name (char *);
+extern tree get_file_function_name (const char *);
+extern tree get_callee_fndecl (const_tree);
+extern void change_decl_assembler_name (tree, tree);
+extern int type_num_arguments (const_tree);
+extern bool associative_tree_code (enum tree_code);
+extern bool commutative_tree_code (enum tree_code);
+extern tree upper_bound_in_type (tree, tree);
+extern tree lower_bound_in_type (tree, tree);
+extern int operand_equal_for_phi_arg_p (const_tree, const_tree);
+extern tree call_expr_arg (tree, int);
+extern tree *call_expr_argp (tree, int);
+extern tree call_expr_arglist (tree);
+extern tree create_artificial_label (void);
+extern const char *get_name (tree);
+extern bool stdarg_p (tree);
+extern bool prototype_p (tree);
+extern int function_args_count (tree);
+extern bool auto_var_in_fn_p (const_tree, const_tree);
+\f
+/* In gimplify.c */
+extern tree unshare_expr (tree);
\f
/* In stmt.c */
-extern int in_control_zone_p PARAMS ((void));
-extern void expand_fixups PARAMS ((rtx));
-extern tree expand_start_stmt_expr PARAMS ((int));
-extern tree expand_end_stmt_expr PARAMS ((tree));
-extern void expand_expr_stmt PARAMS ((tree));
-extern void expand_expr_stmt_value PARAMS ((tree, int, int));
-extern int warn_if_unused_value PARAMS ((tree));
-extern void expand_decl_init PARAMS ((tree));
-extern void clear_last_expr PARAMS ((void));
-extern void expand_label PARAMS ((tree));
-extern void expand_goto PARAMS ((tree));
-extern void expand_asm PARAMS ((tree, int));
-extern void expand_start_cond PARAMS ((tree, int));
-extern void expand_end_cond PARAMS ((void));
-extern void expand_start_else PARAMS ((void));
-extern void expand_start_elseif PARAMS ((tree));
-extern struct nesting *expand_start_loop PARAMS ((int));
-extern struct nesting *expand_start_loop_continue_elsewhere PARAMS ((int));
-extern struct nesting *expand_start_null_loop PARAMS ((void));
-extern void expand_loop_continue_here PARAMS ((void));
-extern void expand_end_loop PARAMS ((void));
-extern void expand_end_null_loop PARAMS ((void));
-extern int expand_continue_loop PARAMS ((struct nesting *));
-extern int expand_exit_loop PARAMS ((struct nesting *));
-extern int expand_exit_loop_if_false PARAMS ((struct nesting *,
- tree));
-extern int expand_exit_loop_top_cond PARAMS ((struct nesting *,
- tree));
-extern int expand_exit_something PARAMS ((void));
-
-extern void expand_return PARAMS ((tree));
-extern int optimize_tail_recursion PARAMS ((tree, rtx));
-extern void expand_start_bindings_and_block PARAMS ((int, tree));
-#define expand_start_bindings(flags) \
- expand_start_bindings_and_block(flags, NULL_TREE)
-extern void expand_end_bindings PARAMS ((tree, int, int));
-extern void warn_about_unused_variables PARAMS ((tree));
-extern void start_cleanup_deferral PARAMS ((void));
-extern void end_cleanup_deferral PARAMS ((void));
-extern int is_body_block PARAMS ((tree));
-
-extern int conditional_context PARAMS ((void));
-extern struct nesting * current_nesting_level PARAMS ((void));
-extern tree last_cleanup_this_contour PARAMS ((void));
-extern void expand_start_case PARAMS ((int, tree, tree,
- const char *));
-extern void expand_end_case_type PARAMS ((tree, tree));
-#define expand_end_case(cond) expand_end_case_type (cond, NULL)
-extern int add_case_node PARAMS ((tree, tree,
- tree, tree *));
-extern int pushcase PARAMS ((tree,
- tree (*) (tree, tree),
- tree, tree *));
-extern int pushcase_range PARAMS ((tree, tree,
- tree (*) (tree, tree),
- tree, tree *));
-extern void using_eh_for_cleanups PARAMS ((void));
-extern int stmt_loop_nest_empty PARAMS ((void));
+extern void expand_expr_stmt (tree);
+extern int warn_if_unused_value (const_tree, location_t);
+extern void expand_label (tree);
+extern void expand_goto (tree);
+
+extern rtx expand_stack_save (void);
+extern void expand_stack_restore (tree);
+extern void expand_return (tree);
+
+/* In tree-eh.c */
+extern void using_eh_for_cleanups (void);
/* In fold-const.c */
+/* Non-zero if we are folding constants inside an initializer; zero
+ otherwise. */
+extern int folding_initializer;
+
+/* Convert between trees and native memory representation. */
+extern int native_encode_expr (const_tree, unsigned char *, int);
+extern tree native_interpret_expr (tree, const unsigned char *, int);
+
/* Fold constants as much as possible in an expression.
Returns the simplified expression.
Acts only on the top level of the expression;
if the argument itself cannot be simplified, its
subexpressions are not changed. */
-extern tree fold PARAMS ((tree));
-
-extern int force_fit_type PARAMS ((tree, int));
-extern int add_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern int neg_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern int mul_double PARAMS ((unsigned HOST_WIDE_INT,
- HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern void lshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *, int));
-extern void rshift_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *, int));
-extern void lrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern void rrotate_double PARAMS ((unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
-extern int operand_equal_p PARAMS ((tree, tree, int));
-extern tree invert_truthvalue PARAMS ((tree));
-
-/* In builtins.c. Given a type, apply default promotions wrt unnamed
- function arguments and return the new type. Return NULL_TREE if no
- change. Required by any language that supports variadic arguments. */
-
-extern tree (*lang_type_promotes_to) PARAMS ((tree));
-extern tree fold_builtin PARAMS ((tree));
-\f
-/* The language front-end must define these functions. */
-
-/* Function to replace the DECL_LANG_SPECIFIC field of a DECL with a copy. */
-extern void copy_lang_decl PARAMS ((tree));
-
-/* Function called with no arguments to parse and compile the input. */
-extern int yyparse PARAMS ((void));
-/* Functions for processing symbol declarations. */
-/* Function to enter a new lexical scope.
- Takes one argument: always zero when called from outside the front end. */
-extern void pushlevel PARAMS ((int));
-/* Function to exit a lexical scope. It returns a BINDING for that scope.
- Takes three arguments:
- KEEP -- nonzero if there were declarations in this scope.
- REVERSE -- reverse the order of decls before returning them.
- FUNCTIONBODY -- nonzero if this level is the body of a function. */
-extern tree poplevel PARAMS ((int, int, int));
-/* Set the BLOCK node for the current scope level. */
-extern void set_block PARAMS ((tree));
-/* Function to add a decl to the current scope level.
- Takes one argument, a decl to add.
- Returns that decl, or, if the same symbol is already declared, may
- return a different decl for that name. */
-extern tree pushdecl PARAMS ((tree));
-/* Function to return the chain of decls so far in the current scope level. */
-extern tree getdecls PARAMS ((void));
-/* Function to return the chain of structure tags in the current scope level. */
-extern tree gettags PARAMS ((void));
-
-extern tree build_range_type PARAMS ((tree, tree, tree));
-
-/* In alias.c */
-extern void record_component_aliases PARAMS ((tree));
-extern HOST_WIDE_INT get_alias_set PARAMS ((tree));
-extern int alias_sets_conflict_p PARAMS ((HOST_WIDE_INT,
- HOST_WIDE_INT));
-extern int readonly_fields_p PARAMS ((tree));
-extern int objects_must_conflict_p PARAMS ((tree, tree));
-
-/* Set the DECL_ASSEMBLER_NAME for a node. If it is the sort of thing
- that the assembler should talk about, set DECL_ASSEMBLER_NAME to an
- appropriate IDENTIFIER_NODE. Otherwise, set it to the
- ERROR_MARK_NODE to ensure that the assembler does not talk about
- it. */
-extern void (*lang_set_decl_assembler_name) PARAMS ((tree));
-
-struct obstack;
+extern tree fold (tree);
+extern tree fold_unary (enum tree_code, tree, tree);
+extern tree fold_unary_ignore_overflow (enum tree_code, tree, tree);
+extern tree fold_binary (enum tree_code, tree, tree, tree);
+extern tree fold_ternary (enum tree_code, tree, tree, tree, tree);
+extern tree fold_build1_stat (enum tree_code, tree, tree MEM_STAT_DECL);
+#define fold_build1(c,t1,t2) fold_build1_stat (c, t1, t2 MEM_STAT_INFO)
+extern tree fold_build2_stat (enum tree_code, tree, tree, tree MEM_STAT_DECL);
+#define fold_build2(c,t1,t2,t3) fold_build2_stat (c, t1, t2, t3 MEM_STAT_INFO)
+extern tree fold_build3_stat (enum tree_code, tree, tree, tree, tree MEM_STAT_DECL);
+#define fold_build3(c,t1,t2,t3,t4) fold_build3_stat (c, t1, t2, t3, t4 MEM_STAT_INFO)
+extern tree fold_build1_initializer (enum tree_code, tree, tree);
+extern tree fold_build2_initializer (enum tree_code, tree, tree, tree);
+extern tree fold_build3_initializer (enum tree_code, tree, tree, tree, tree);
+extern tree fold_build_call_array (tree, tree, int, tree *);
+extern tree fold_build_call_array_initializer (tree, tree, int, tree *);
+extern bool fold_convertible_p (const_tree, const_tree);
+extern tree fold_convert (tree, tree);
+extern tree fold_single_bit_test (enum tree_code, tree, tree, tree);
+extern tree fold_ignored_result (tree);
+extern tree fold_abs_const (tree, tree);
+extern tree fold_indirect_ref_1 (tree, tree);
+extern void fold_defer_overflow_warnings (void);
+extern void fold_undefer_overflow_warnings (bool, const_gimple, int);
+extern void fold_undefer_and_ignore_overflow_warnings (void);
+extern bool fold_deferring_overflow_warnings_p (void);
+extern tree maybe_fold_offset_to_reference (tree, tree, tree);
+extern tree maybe_fold_offset_to_address (tree, tree, tree);
+extern tree maybe_fold_stmt_addition (tree, tree, tree);
+
+extern tree force_fit_type_double (tree, unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ int, bool);
+
+extern int fit_double_type (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, const_tree);
+extern int add_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
+ bool);
+#define add_double(l1,h1,l2,h2,lv,hv) \
+ add_double_with_sign (l1, h1, l2, h2, lv, hv, false)
+extern int neg_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
+extern int mul_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
+ bool);
+#define mul_double(l1,h1,l2,h2,lv,hv) \
+ mul_double_with_sign (l1, h1, l2, h2, lv, hv, false)
+extern void lshift_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned int,
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, int);
+extern void rshift_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned int,
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, int);
+extern void lrotate_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned int,
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
+extern void rrotate_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned int,
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
+
+extern int div_and_round_double (enum tree_code, int, unsigned HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned HOST_WIDE_INT,
+ HOST_WIDE_INT, unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *, unsigned HOST_WIDE_INT *,
+ HOST_WIDE_INT *);
+
+enum operand_equal_flag
+{
+ OEP_ONLY_CONST = 1,
+ OEP_PURE_SAME = 2
+};
+
+extern int operand_equal_p (const_tree, const_tree, unsigned int);
+extern int multiple_of_p (tree, const_tree, const_tree);
+extern tree omit_one_operand (tree, tree, tree);
+extern tree omit_two_operands (tree, tree, tree, tree);
+extern tree invert_truthvalue (tree);
+extern tree fold_truth_not_expr (tree);
+extern tree fold_unary_to_constant (enum tree_code, tree, tree);
+extern tree fold_binary_to_constant (enum tree_code, tree, tree, tree);
+extern tree fold_read_from_constant_string (tree);
+extern tree int_const_binop (enum tree_code, const_tree, const_tree, int);
+extern tree build_fold_addr_expr (tree);
+extern tree fold_build_cleanup_point_expr (tree type, tree expr);
+extern tree fold_strip_sign_ops (tree);
+extern tree build_fold_addr_expr_with_type (tree, tree);
+extern tree build_fold_indirect_ref (tree);
+extern tree fold_indirect_ref (tree);
+extern tree constant_boolean_node (int, tree);
+extern tree build_low_bits_mask (tree, unsigned);
+
+extern bool tree_swap_operands_p (const_tree, const_tree, bool);
+extern enum tree_code swap_tree_comparison (enum tree_code);
+
+extern bool ptr_difference_const (tree, tree, HOST_WIDE_INT *);
+extern enum tree_code invert_tree_comparison (enum tree_code, bool);
+
+extern bool tree_expr_nonzero_p (tree);
+extern bool tree_unary_nonzero_warnv_p (enum tree_code, tree, tree, bool *);
+extern bool tree_binary_nonzero_warnv_p (enum tree_code, tree, tree, tree op1,
+ bool *);
+extern bool tree_single_nonzero_warnv_p (tree, bool *);
+extern bool tree_expr_nonzero_warnv_p (tree, bool *);
+extern bool tree_unary_nonnegative_warnv_p (enum tree_code, tree, tree, bool *);
+extern bool tree_binary_nonnegative_warnv_p (enum tree_code, tree, tree, tree,
+ bool *);
+extern bool tree_single_nonnegative_warnv_p (tree t, bool *strict_overflow_p);
+extern bool tree_invalid_nonnegative_warnv_p (tree t, bool *strict_overflow_p);
+extern bool tree_call_nonnegative_warnv_p (tree, tree, tree, tree, bool *);
+
+extern bool tree_expr_nonzero_warnv_p (tree, bool *);
+
+extern bool fold_real_zero_addition_p (const_tree, const_tree, int);
+
+/* Return nonzero if CODE is a tree code that represents a truth value. */
+static inline bool
+truth_value_p (enum tree_code code)
+{
+ return (TREE_CODE_CLASS (code) == tcc_comparison
+ || code == TRUTH_AND_EXPR || code == TRUTH_ANDIF_EXPR
+ || code == TRUTH_OR_EXPR || code == TRUTH_ORIF_EXPR
+ || code == TRUTH_XOR_EXPR || code == TRUTH_NOT_EXPR);
+}
+
+
+/* In builtins.c */
+extern tree fold_call_expr (tree, bool);
+extern tree fold_builtin_fputs (tree, tree, bool, bool, tree);
+extern tree fold_builtin_strcpy (tree, tree, tree, tree);
+extern tree fold_builtin_strncpy (tree, tree, tree, tree, tree);
+extern tree fold_builtin_memory_chk (tree, tree, tree, tree, tree, tree, bool,
+ enum built_in_function);
+extern tree fold_builtin_stxcpy_chk (tree, tree, tree, tree, tree, bool,
+ enum built_in_function);
+extern tree fold_builtin_strncpy_chk (tree, tree, tree, tree, tree);
+extern tree fold_builtin_snprintf_chk (tree, tree, enum built_in_function);
+extern bool fold_builtin_next_arg (tree, bool);
+extern enum built_in_function builtin_mathfn_code (const_tree);
+extern tree build_function_call_expr (tree, tree);
+extern tree fold_builtin_call_array (tree, tree, int, tree *);
+extern void debug_fold_checksum (const_tree);
+extern tree build_call_expr (tree, int, ...);
+extern tree mathfn_built_in (tree, enum built_in_function fn);
+extern tree strip_float_extensions (tree);
+extern tree c_strlen (tree, int);
+extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *);
+extern tree build_va_arg_indirect_ref (tree);
+extern tree build_string_literal (int, const char *);
+extern bool validate_arglist (const_tree, ...);
+extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, enum machine_mode);
+extern int get_pointer_alignment (tree, unsigned int);
+extern int get_object_alignment (tree, unsigned int, unsigned int);
+extern tree fold_call_stmt (gimple, bool);
+extern tree gimple_fold_builtin_snprintf_chk (gimple, tree, enum built_in_function);
+
+/* In convert.c */
+extern tree strip_float_extensions (tree);
/* In tree.c */
-extern int really_constant_p PARAMS ((tree));
-extern int int_fits_type_p PARAMS ((tree, tree));
-extern bool variably_modified_type_p PARAMS ((tree));
-extern int tree_log2 PARAMS ((tree));
-extern int tree_floor_log2 PARAMS ((tree));
-extern void preserve_data PARAMS ((void));
-extern int object_permanent_p PARAMS ((tree));
-extern int type_precision PARAMS ((tree));
-extern int simple_cst_equal PARAMS ((tree, tree));
-extern int compare_tree_int PARAMS ((tree,
- unsigned HOST_WIDE_INT));
-extern int type_list_equal PARAMS ((tree, tree));
-extern int chain_member PARAMS ((tree, tree));
-extern int chain_member_purpose PARAMS ((tree, tree));
-extern int chain_member_value PARAMS ((tree, tree));
-extern tree listify PARAMS ((tree));
-extern tree type_hash_lookup PARAMS ((unsigned int, tree));
-extern void type_hash_add PARAMS ((unsigned int, tree));
-extern unsigned int type_hash_list PARAMS ((tree));
-extern int simple_cst_list_equal PARAMS ((tree, tree));
-extern void dump_tree_statistics PARAMS ((void));
-extern void print_obstack_statistics PARAMS ((const char *,
- struct obstack *));
-#ifdef BUFSIZ
-extern void print_obstack_name PARAMS ((char *, FILE *,
- const char *));
+extern int really_constant_p (const_tree);
+extern bool decl_address_invariant_p (const_tree);
+extern bool decl_address_ip_invariant_p (const_tree);
+extern int int_fits_type_p (const_tree, const_tree);
+#ifndef GENERATOR_FILE
+extern void get_type_static_bounds (const_tree, mpz_t, mpz_t);
#endif
-extern void expand_function_end PARAMS ((const char *, int, int));
-extern void expand_function_start PARAMS ((tree, int));
-extern void expand_pending_sizes PARAMS ((tree));
-
-extern int real_onep PARAMS ((tree));
-extern int real_twop PARAMS ((tree));
-extern void gcc_obstack_init PARAMS ((struct obstack *));
-extern void init_obstacks PARAMS ((void));
-extern void build_common_tree_nodes PARAMS ((int));
-extern void build_common_tree_nodes_2 PARAMS ((int));
-extern void mark_tree_hashtable PARAMS ((void *));
+extern bool variably_modified_type_p (tree, tree);
+extern int tree_log2 (const_tree);
+extern int tree_floor_log2 (const_tree);
+extern int simple_cst_equal (const_tree, const_tree);
+extern hashval_t iterative_hash_expr (const_tree, hashval_t);
+extern hashval_t iterative_hash_exprs_commutative (const_tree,
+ const_tree, hashval_t);
+extern hashval_t iterative_hash_hashval_t (hashval_t, hashval_t);
+extern int compare_tree_int (const_tree, unsigned HOST_WIDE_INT);
+extern int type_list_equal (const_tree, const_tree);
+extern int chain_member (const_tree, const_tree);
+extern tree type_hash_lookup (unsigned int, tree);
+extern void type_hash_add (unsigned int, tree);
+extern int simple_cst_list_equal (const_tree, const_tree);
+extern void dump_tree_statistics (void);
+extern void expand_function_end (void);
+extern void expand_function_start (tree);
+extern void stack_protect_prologue (void);
+extern void stack_protect_epilogue (void);
+extern void recompute_tree_invariant_for_addr_expr (tree);
+extern bool needs_to_live_in_memory (const_tree);
+extern tree reconstruct_complex_type (tree, tree);
+
+extern int real_onep (const_tree);
+extern int real_twop (const_tree);
+extern int real_minus_onep (const_tree);
+extern void init_ttree (void);
+extern void build_common_tree_nodes (bool, bool);
+extern void build_common_tree_nodes_2 (int);
+extern void build_common_builtin_nodes (void);
+extern tree build_nonstandard_integer_type (unsigned HOST_WIDE_INT, int);
+extern tree build_range_type (tree, tree, tree);
+extern HOST_WIDE_INT int_cst_value (const_tree);
+extern tree build_addr (tree, tree);
+
+extern bool fields_compatible_p (const_tree, const_tree);
+extern tree find_compatible_field (tree, tree);
+
+extern void set_expr_locus (tree, source_location *);
+
+extern tree *tree_block (tree);
+extern location_t *block_nonartificial_location (tree);
+extern location_t tree_nonartificial_location (tree);
/* In function.c */
-extern void setjmp_protect_args PARAMS ((void));
-extern void setjmp_protect PARAMS ((tree));
-extern void expand_main_function PARAMS ((void));
-extern void mark_varargs PARAMS ((void));
-extern void init_dummy_function_start PARAMS ((void));
-extern void expand_dummy_function_end PARAMS ((void));
-extern void init_function_for_compilation PARAMS ((void));
-extern void init_function_start PARAMS ((tree, const char *, int));
-extern void assign_parms PARAMS ((tree));
-extern void put_var_into_stack PARAMS ((tree));
-extern void flush_addressof PARAMS ((tree));
-extern void uninitialized_vars_warning PARAMS ((tree));
-extern void setjmp_args_warning PARAMS ((void));
-extern void mark_all_temps_used PARAMS ((void));
-extern void init_temp_slots PARAMS ((void));
-extern void combine_temp_slots PARAMS ((void));
-extern void free_temp_slots PARAMS ((void));
-extern void pop_temp_slots PARAMS ((void));
-extern void push_temp_slots PARAMS ((void));
-extern void preserve_temp_slots PARAMS ((rtx));
-extern void preserve_rtl_expr_temps PARAMS ((tree));
-extern int aggregate_value_p PARAMS ((tree));
-extern void free_temps_for_rtl_expr PARAMS ((tree));
-extern void instantiate_virtual_regs PARAMS ((tree, rtx));
-extern void unshare_all_rtl PARAMS ((tree, rtx));
-extern int max_parm_reg_num PARAMS ((void));
-extern void push_function_context PARAMS ((void));
-extern void pop_function_context PARAMS ((void));
-extern void push_function_context_to PARAMS ((tree));
-extern void pop_function_context_from PARAMS ((tree));
-extern void ggc_mark_struct_function PARAMS ((struct function *));
+extern void expand_main_function (void);
+extern void init_dummy_function_start (void);
+extern void expand_dummy_function_end (void);
+extern unsigned int init_function_for_compilation (void);
+extern void allocate_struct_function (tree, bool);
+extern void push_struct_function (tree fndecl);
+extern void init_function_start (tree);
+extern bool use_register_for_decl (const_tree);
+extern void generate_setjmp_warnings (void);
+extern void init_temp_slots (void);
+extern void free_temp_slots (void);
+extern void pop_temp_slots (void);
+extern void push_temp_slots (void);
+extern void preserve_temp_slots (rtx);
+extern int aggregate_value_p (const_tree, const_tree);
+extern void push_function_context (void);
+extern void pop_function_context (void);
+extern gimple_seq gimplify_parameters (void);
/* In print-rtl.c */
#ifdef BUFSIZ
-extern void print_rtl PARAMS ((FILE *, rtx));
+extern void print_rtl (FILE *, const_rtx);
#endif
/* In print-tree.c */
-extern void debug_tree PARAMS ((tree));
+extern void debug_tree (tree);
#ifdef BUFSIZ
-extern void print_node PARAMS ((FILE *, const char *, tree,
- int));
-extern void print_node_brief PARAMS ((FILE *, const char *, tree,
- int));
-extern void indent_to PARAMS ((FILE *, int));
+extern void dump_addr (FILE*, const char *, const void *);
+extern void print_node (FILE *, const char *, tree, int);
+extern void print_node_brief (FILE *, const char *, const_tree, int);
+extern void indent_to (FILE *, int);
#endif
-/* In expr.c */
-extern int apply_args_register_offset PARAMS ((int));
-extern rtx expand_builtin_return_addr
- PARAMS ((enum built_in_function, int, rtx));
-extern void check_max_integer_computation_mode PARAMS ((tree));
-
-/* In emit-rtl.c */
-extern void start_sequence_for_rtl_expr PARAMS ((tree));
-extern rtx emit_line_note PARAMS ((const char *, int));
+/* In tree-inline.c: */
+extern bool debug_find_tree (tree, tree);
+/* This is in tree-inline.c since the routine uses
+ data structures from the inliner. */
+extern tree unsave_expr_now (tree);
+extern tree build_duplicate_type (tree);
/* In calls.c */
-extern int setjmp_call_p PARAMS ((tree));
+/* Nonzero if this is a call to a function whose return value depends
+ solely on its arguments, has no side effects, and does not read
+ global memory. This corresponds to TREE_READONLY for function
+ decls. */
+#define ECF_CONST (1 << 0)
+/* Nonzero if this is a call to "pure" function (like const function,
+ but may read memory. This corresponds to DECL_PURE_P for function
+ decls. */
+#define ECF_PURE (1 << 1)
+/* Nonzero if this is ECF_CONST or ECF_PURE but cannot be proven to no
+ infinite loop. This corresponds to DECL_LOOPING_CONST_OR_PURE_P
+ for function decls.*/
+#define ECF_LOOPING_CONST_OR_PURE (1 << 2)
+/* Nonzero if this call will never return. */
+#define ECF_NORETURN (1 << 3)
+/* Nonzero if this is a call to malloc or a related function. */
+#define ECF_MALLOC (1 << 4)
+/* Nonzero if it is plausible that this is a call to alloca. */
+#define ECF_MAY_BE_ALLOCA (1 << 5)
+/* Nonzero if this is a call to a function that won't throw an exception. */
+#define ECF_NOTHROW (1 << 6)
+/* Nonzero if this is a call to setjmp or a related function. */
+#define ECF_RETURNS_TWICE (1 << 7)
+/* Nonzero if this call replaces the current stack frame. */
+#define ECF_SIBCALL (1 << 8)
+/* Function does not read or write memory (but may have side effects, so
+ it does not necessarily fit ECF_CONST). */
+#define ECF_NOVOPS (1 << 9)
+
+extern int flags_from_decl_or_type (const_tree);
+extern int call_expr_flags (const_tree);
+
+extern int setjmp_call_p (const_tree);
+extern bool gimple_alloca_call_p (const_gimple);
+extern bool alloca_call_p (const_tree);
+extern bool must_pass_in_stack_var_size (enum machine_mode, const_tree);
+extern bool must_pass_in_stack_var_size_or_pad (enum machine_mode, const_tree);
+extern tree block_ultimate_origin (const_tree);
/* In attribs.c. */
+extern const struct attribute_spec *lookup_attribute_spec (tree);
+
/* Process the attributes listed in ATTRIBUTES and install them in *NODE,
which is either a DECL (including a TYPE_DECL) or a TYPE. If a DECL,
it should be modified in place; if a TYPE, a copy should be created
from tree.h. Depending on these flags, some attributes may be
returned to be applied at a later stage (for example, to apply
a decl attribute to the declaration rather than to its type). */
-extern tree decl_attributes PARAMS ((tree *, tree, int));
-
-/* The following function must be provided by front ends
- using attribs.c. */
-
-/* Possibly apply default attributes to a function (represented by
- a FUNCTION_DECL). */
-extern void insert_default_attributes PARAMS ((tree));
-
-/* Table of machine-independent attributes for checking formats, if used. */
-extern const struct attribute_spec *format_attribute_table;
-
-/* Table of machine-independent attributes for a particular language. */
-extern const struct attribute_spec *lang_attribute_table;
-
-/* Flag saying whether common language attributes are to be supported. */
-extern int lang_attribute_common;
-
-/* In front end. */
-
-extern int mark_addressable PARAMS ((tree));
-extern void incomplete_type_error PARAMS ((tree, tree));
-extern tree truthvalue_conversion PARAMS ((tree));
-extern int global_bindings_p PARAMS ((void));
-extern void insert_block PARAMS ((tree));
+extern tree decl_attributes (tree *, tree, int);
/* In integrate.c */
-extern void save_for_inline PARAMS ((tree));
-extern void set_decl_abstract_flags PARAMS ((tree, int));
-extern void output_inline_function PARAMS ((tree));
-extern void set_decl_origin_self PARAMS ((tree));
+extern void set_decl_abstract_flags (tree, int);
+extern void set_decl_origin_self (tree);
/* In stor-layout.c */
-extern void fixup_signed_type PARAMS ((tree));
-extern void internal_reference_types PARAMS ((void));
-
+extern void set_min_and_max_values_for_integral_type (tree, int, bool);
+extern void fixup_signed_type (tree);
+extern void internal_reference_types (void);
+extern unsigned int update_alignment_for_field (record_layout_info, tree,
+ unsigned int);
/* varasm.c */
-extern void make_decl_rtl PARAMS ((tree, const char *));
-extern void make_decl_one_only PARAMS ((tree));
-extern int supports_one_only PARAMS ((void));
-extern void variable_section PARAMS ((tree, int));
-
-/* In fold-const.c */
-extern int div_and_round_double PARAMS ((enum tree_code, int,
- unsigned HOST_WIDE_INT,
- HOST_WIDE_INT,
- unsigned HOST_WIDE_INT,
- HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *,
- unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *));
+extern void make_decl_rtl (tree);
+extern void make_decl_one_only (tree);
+extern int supports_one_only (void);
+extern void resolve_unique_section (tree, int, int);
+extern void mark_referenced (tree);
+extern void mark_decl_referenced (tree);
+extern void notice_global_symbol (tree);
+extern void set_user_assembler_name (tree, const char *);
+extern void process_pending_assemble_externals (void);
+extern void finish_aliases_1 (void);
+extern void finish_aliases_2 (void);
+extern tree emutls_decl (tree);
/* In stmt.c */
-extern void emit_nop PARAMS ((void));
-extern void expand_computed_goto PARAMS ((tree));
-extern bool parse_output_constraint PARAMS ((const char **,
- int, int, int,
- bool *, bool *, bool *));
-extern void expand_asm_operands PARAMS ((tree, tree, tree, tree, int,
- const char *, int));
-extern int any_pending_cleanups PARAMS ((int));
-extern void init_stmt PARAMS ((void));
-extern void init_stmt_for_function PARAMS ((void));
-extern int drop_through_at_end_p PARAMS ((void));
-extern void expand_start_target_temps PARAMS ((void));
-extern void expand_end_target_temps PARAMS ((void));
-extern void expand_elseif PARAMS ((tree));
-extern void save_stack_pointer PARAMS ((void));
-extern void expand_decl PARAMS ((tree));
-extern int expand_decl_cleanup PARAMS ((tree, tree));
-extern int expand_decl_cleanup_eh PARAMS ((tree, tree, int));
-extern void expand_anon_union_decl PARAMS ((tree, tree, tree));
-extern void move_cleanups_up PARAMS ((void));
-extern void expand_start_case_dummy PARAMS ((void));
-extern void expand_end_case_dummy PARAMS ((void));
-extern tree case_index_expr_type PARAMS ((void));
-extern HOST_WIDE_INT all_cases_count PARAMS ((tree, int *));
-extern void check_for_full_enumeration_handling PARAMS ((tree));
-extern void declare_nonlocal_label PARAMS ((tree));
-
-/* If KIND=='I', return a suitable global initializer (constructor) name.
- If KIND=='D', return a suitable global clean-up (destructor) name. */
-extern tree get_file_function_name PARAMS ((int));
+extern void expand_computed_goto (tree);
+extern bool parse_output_constraint (const char **, int, int, int,
+ bool *, bool *, bool *);
+extern bool parse_input_constraint (const char **, int, int, int, int,
+ const char * const *, bool *, bool *);
+extern void expand_asm_expr (tree);
+extern tree resolve_asm_operand_names (tree, tree, tree);
+extern void expand_case (tree);
+extern void expand_decl (tree);
+#ifdef HARD_CONST
+/* Silly ifdef to avoid having all includers depend on hard-reg-set.h. */
+extern tree tree_overlaps_hard_reg_set (tree, HARD_REG_SET *);
+#endif
+
\f
/* Interface of the DWARF2 unwind info support. */
/* Generate a new label for the CFI info to refer to. */
-extern char *dwarf2out_cfi_label PARAMS ((void));
+extern char *dwarf2out_cfi_label (bool);
/* Entry point to update the canonical frame address (CFA). */
-extern void dwarf2out_def_cfa PARAMS ((const char *, unsigned, long));
+extern void dwarf2out_def_cfa (const char *, unsigned, HOST_WIDE_INT);
/* Add the CFI for saving a register window. */
-extern void dwarf2out_window_save PARAMS ((const char *));
+extern void dwarf2out_window_save (const char *);
/* Add a CFI to update the running total of the size of arguments pushed
onto the stack. */
-extern void dwarf2out_args_size PARAMS ((const char *, long));
+extern void dwarf2out_args_size (const char *, HOST_WIDE_INT);
/* Entry point for saving a register to the stack. */
-extern void dwarf2out_reg_save PARAMS ((const char *, unsigned, long));
+extern void dwarf2out_reg_save (const char *, unsigned, HOST_WIDE_INT);
/* Entry point for saving the return address in the stack. */
-extern void dwarf2out_return_save PARAMS ((const char *, long));
+extern void dwarf2out_return_save (const char *, HOST_WIDE_INT);
/* Entry point for saving the return address in a register. */
-extern void dwarf2out_return_reg PARAMS ((const char *, unsigned));
+extern void dwarf2out_return_reg (const char *, unsigned);
-/* The type of a function that walks over tree structure. */
+/* Entry point for saving the first register into the second. */
-typedef tree (*walk_tree_fn) PARAMS ((tree *, int *, void *));
+extern void dwarf2out_reg_save_reg (const char *, rtx, rtx);
-/* In tree-dump.c */
+/* In tree-inline.c */
-/* Different tree dump places. When you add new tree dump places,
- extend the DUMP_FILES array in tree-dump.c */
-enum tree_dump_index
+/* The type of a set of already-visited pointers. Functions for creating
+ and manipulating it are declared in pointer-set.h */
+struct pointer_set_t;
+
+/* The type of a callback function for walking over tree structure. */
+
+typedef tree (*walk_tree_fn) (tree *, int *, void *);
+
+/* The type of a callback function that represents a custom walk_tree. */
+
+typedef tree (*walk_tree_lh) (tree *, int *, tree (*) (tree *, int *, void *),
+ void *, struct pointer_set_t*);
+
+extern tree walk_tree_1 (tree*, walk_tree_fn, void*, struct pointer_set_t*,
+ walk_tree_lh);
+extern tree walk_tree_without_duplicates_1 (tree*, walk_tree_fn, void*,
+ walk_tree_lh);
+#define walk_tree(a,b,c,d) \
+ walk_tree_1 (a, b, c, d, NULL)
+#define walk_tree_without_duplicates(a,b,c) \
+ walk_tree_without_duplicates_1 (a, b, c, NULL)
+
+/* Assign the RTX to declaration. */
+
+extern void set_decl_rtl (tree, rtx);
+extern void set_decl_incoming_rtl (tree, rtx, bool);
+\f
+/* Enum and arrays used for tree allocation stats.
+ Keep in sync with tree.c:tree_node_kind_names. */
+typedef enum
{
- TDI_all, /* dump the whole translation unit */
- TDI_class, /* dump class hierarchy */
- TDI_original, /* dump each function before optimizing it */
- TDI_optimized, /* dump each function after optimizing it */
- TDI_inlined, /* dump each function after inlining
- within it. */
- TDI_end
+ d_kind,
+ t_kind,
+ b_kind,
+ s_kind,
+ r_kind,
+ e_kind,
+ c_kind,
+ id_kind,
+ perm_list_kind,
+ temp_list_kind,
+ vec_kind,
+ binfo_kind,
+ ssa_name_kind,
+ constr_kind,
+ x_kind,
+ lang_decl,
+ lang_type,
+ omp_clause_kind,
+ all_kinds
+} tree_node_kind;
+
+extern int tree_node_counts[];
+extern int tree_node_sizes[];
+
+/* True if we are in gimple form and the actions of the folders need to
+ be restricted. False if we are not in gimple form and folding is not
+ restricted to creating gimple expressions. */
+extern bool in_gimple_form;
+
+/* In tree-gimple.c. */
+extern tree get_base_address (tree t);
+
+/* In tree-vectorizer.c. */
+extern void vect_set_verbosity_level (const char *);
+
+/* In tree.c. */
+
+struct tree_map_base GTY(())
+{
+ tree from;
};
-/* Bit masks to control tree dumping. Not all values are applicable to
- all tree dumps. Add new ones at the end. When you define new
- values, extend the DUMP_OPTIONS array in tree-dump.c */
-#define TDF_ADDRESS (1 << 0) /* dump node addresses */
-#define TDF_SLIM (1 << 1) /* don't go wild following links */
+extern int tree_map_base_eq (const void *, const void *);
+extern unsigned int tree_map_base_hash (const void *);
+extern int tree_map_base_marked_p (const void *);
-typedef struct dump_info *dump_info_p;
+/* Map from a tree to another tree. */
-extern int dump_flag PARAMS ((dump_info_p, int, tree));
-extern int dump_enabled_p PARAMS ((enum tree_dump_index));
-extern FILE *dump_begin PARAMS ((enum tree_dump_index, int *));
-extern void dump_end PARAMS ((enum tree_dump_index, FILE *));
-extern void dump_node PARAMS ((tree, int, FILE *));
-extern int dump_switch_p PARAMS ((const char *));
-extern const char *dump_flag_name PARAMS ((enum tree_dump_index));
+struct tree_map GTY(())
+{
+ struct tree_map_base base;
+ unsigned int hash;
+ tree to;
+};
-\f
-/* Redefine abort to report an internal error w/o coredump, and
- reporting the location of the error in the source file. This logic
- is duplicated in rtl.h and tree.h because every file that needs the
- special abort includes one or both. toplev.h gets too few files,
- system.h gets too many. */
+#define tree_map_eq tree_map_base_eq
+extern unsigned int tree_map_hash (const void *);
+#define tree_map_marked_p tree_map_base_marked_p
-extern void fancy_abort PARAMS ((const char *, int, const char *))
- ATTRIBUTE_NORETURN;
-#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
+/* Map from a tree to an int. */
+
+struct tree_int_map GTY(())
+{
+ struct tree_map_base base;
+ unsigned int to;
+};
+
+#define tree_int_map_eq tree_map_base_eq
+#define tree_int_map_hash tree_map_base_hash
+#define tree_int_map_marked_p tree_map_base_marked_p
+
+/* Map from a tree to initialization/finalization priorities. */
+
+struct tree_priority_map GTY(())
+{
+ struct tree_map_base base;
+ priority_type init;
+ priority_type fini;
+};
+
+#define tree_priority_map_eq tree_map_base_eq
+#define tree_priority_map_hash tree_map_base_hash
+#define tree_priority_map_marked_p tree_map_base_marked_p
+
+/* In tree-ssa-address.c. */
+extern tree tree_mem_ref_addr (tree, tree);
+extern void copy_mem_ref_info (tree, tree);
+
+/* In tree-vrp.c */
+extern bool ssa_name_nonzero_p (const_tree);
+extern bool ssa_name_nonnegative_p (const_tree);
+
+/* In tree-object-size.c. */
+extern void init_object_sizes (void);
+extern void fini_object_sizes (void);
+extern unsigned HOST_WIDE_INT compute_builtin_object_size (tree, int);
+
+/* In expr.c. */
+extern unsigned HOST_WIDE_INT highest_pow2_factor (const_tree);
+
+/* In tree-inline.c. */
+
+void init_inline_once (void);
+
+/* In ipa-reference.c. Used for parsing attributes of asm code. */
+extern GTY(()) tree memory_identifier_string;
+
+/* Compute the number of operands in an expression node NODE. For
+ tcc_vl_exp nodes like CALL_EXPRs, this is stored in the node itself,
+ otherwise it is looked up from the node's code. */
+static inline int
+tree_operand_length (const_tree node)
+{
+ if (VL_EXP_CLASS_P (node))
+ return VL_EXP_OPERAND_LENGTH (node);
+ else
+ return TREE_CODE_LENGTH (TREE_CODE (node));
+}
+
+/* Abstract iterators for CALL_EXPRs. These static inline definitions
+ have to go towards the end of tree.h so that union tree_node is fully
+ defined by this point. */
+
+/* Structure containing iterator state. */
+typedef struct call_expr_arg_iterator_d GTY (())
+{
+ tree t; /* the call_expr */
+ int n; /* argument count */
+ int i; /* next argument index */
+} call_expr_arg_iterator;
+
+typedef struct const_call_expr_arg_iterator_d GTY (())
+{
+ const_tree t; /* the call_expr */
+ int n; /* argument count */
+ int i; /* next argument index */
+} const_call_expr_arg_iterator;
+
+/* Initialize the abstract argument list iterator object ITER with the
+ arguments from CALL_EXPR node EXP. */
+static inline void
+init_call_expr_arg_iterator (tree exp, call_expr_arg_iterator *iter)
+{
+ iter->t = exp;
+ iter->n = call_expr_nargs (exp);
+ iter->i = 0;
+}
+
+static inline void
+init_const_call_expr_arg_iterator (const_tree exp, const_call_expr_arg_iterator *iter)
+{
+ iter->t = exp;
+ iter->n = call_expr_nargs (exp);
+ iter->i = 0;
+}
+
+/* Return the next argument from abstract argument list iterator object ITER,
+ and advance its state. Return NULL_TREE if there are no more arguments. */
+static inline tree
+next_call_expr_arg (call_expr_arg_iterator *iter)
+{
+ tree result;
+ if (iter->i >= iter->n)
+ return NULL_TREE;
+ result = CALL_EXPR_ARG (iter->t, iter->i);
+ iter->i++;
+ return result;
+}
+
+static inline const_tree
+next_const_call_expr_arg (const_call_expr_arg_iterator *iter)
+{
+ const_tree result;
+ if (iter->i >= iter->n)
+ return NULL_TREE;
+ result = CALL_EXPR_ARG (iter->t, iter->i);
+ iter->i++;
+ return result;
+}
+
+/* Initialize the abstract argument list iterator object ITER, then advance
+ past and return the first argument. Useful in for expressions, e.g.
+ for (arg = first_call_expr_arg (exp, &iter); arg;
+ arg = next_call_expr_arg (&iter)) */
+static inline tree
+first_call_expr_arg (tree exp, call_expr_arg_iterator *iter)
+{
+ init_call_expr_arg_iterator (exp, iter);
+ return next_call_expr_arg (iter);
+}
+
+static inline const_tree
+first_const_call_expr_arg (const_tree exp, const_call_expr_arg_iterator *iter)
+{
+ init_const_call_expr_arg_iterator (exp, iter);
+ return next_const_call_expr_arg (iter);
+}
+
+/* Test whether there are more arguments in abstract argument list iterator
+ ITER, without changing its state. */
+static inline bool
+more_call_expr_args_p (const call_expr_arg_iterator *iter)
+{
+ return (iter->i < iter->n);
+}
+
+static inline bool
+more_const_call_expr_args_p (const const_call_expr_arg_iterator *iter)
+{
+ return (iter->i < iter->n);
+}
+
+/* Iterate through each argument ARG of CALL_EXPR CALL, using variable ITER
+ (of type call_expr_arg_iterator) to hold the iteration state. */
+#define FOR_EACH_CALL_EXPR_ARG(arg, iter, call) \
+ for ((arg) = first_call_expr_arg ((call), &(iter)); (arg); \
+ (arg) = next_call_expr_arg (&(iter)))
+
+#define FOR_EACH_CONST_CALL_EXPR_ARG(arg, iter, call) \
+ for ((arg) = first_const_call_expr_arg ((call), &(iter)); (arg); \
+ (arg) = next_const_call_expr_arg (&(iter)))
+
+#endif /* GCC_TREE_H */
projects / msp430-gcc.git / blobdiff