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4640 lines
174 KiB
C
4640 lines
174 KiB
C
/* Front-end tree definitions for GNU compiler.
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Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
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This file is part of GCC.
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||
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||
GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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||
version.
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||
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||
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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||
WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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||
for more details.
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||
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||
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
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef GCC_TREE_H
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#define GCC_TREE_H
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#include "hashtab.h"
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#include "machmode.h"
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#include "input.h"
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#include "statistics.h"
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#include "vec.h"
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/* Codes of tree nodes */
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#define DEFTREECODE(SYM, STRING, TYPE, NARGS) SYM,
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enum tree_code {
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#include "tree.def"
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LAST_AND_UNUSED_TREE_CODE /* A convenient way to get a value for
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NUM_TREE_CODES. */
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};
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#undef DEFTREECODE
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extern unsigned char tree_contains_struct[256][64];
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#define CODE_CONTAINS_STRUCT(CODE, STRUCT) (tree_contains_struct[(CODE)][(STRUCT)])
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/* Number of language-independent tree codes. */
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#define NUM_TREE_CODES ((int) LAST_AND_UNUSED_TREE_CODE)
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/* Tree code classes. */
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/* Each tree_code has an associated code class represented by a
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TREE_CODE_CLASS. */
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enum tree_code_class {
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tcc_exceptional, /* An exceptional code (fits no category). */
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tcc_constant, /* A constant. */
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/* Order of tcc_type and tcc_declaration is important. */
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tcc_type, /* A type object code. */
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tcc_declaration, /* A declaration (also serving as variable refs). */
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tcc_reference, /* A reference to storage. */
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tcc_comparison, /* A comparison expression. */
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tcc_unary, /* A unary arithmetic expression. */
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tcc_binary, /* A binary arithmetic expression. */
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tcc_statement, /* A statement expression, which have side effects
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but usually no interesting value. */
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tcc_expression /* Any other expression. */
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};
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/* Each tree code class has an associated string representation.
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These must correspond to the tree_code_class entries. */
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extern const char *const tree_code_class_strings[];
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/* Returns the string representing CLASS. */
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#define TREE_CODE_CLASS_STRING(CLASS)\
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tree_code_class_strings[(int) (CLASS)]
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#define MAX_TREE_CODES 256
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extern const enum tree_code_class tree_code_type[];
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#define TREE_CODE_CLASS(CODE) tree_code_type[(int) (CODE)]
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/* Nonzero if CODE represents an exceptional code. */
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#define EXCEPTIONAL_CLASS_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_exceptional)
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/* Nonzero if CODE represents a constant. */
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#define CONSTANT_CLASS_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_constant)
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/* Nonzero if CODE represents a type. */
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#define TYPE_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_type)
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/* Nonzero if CODE represents a declaration. */
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#define DECL_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_declaration)
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/* Nonzero if CODE represents a memory tag. */
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#define MTAG_P(CODE) \
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(TREE_CODE (CODE) == STRUCT_FIELD_TAG \
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|| TREE_CODE (CODE) == NAME_MEMORY_TAG \
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|| TREE_CODE (CODE) == SYMBOL_MEMORY_TAG)
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/* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL. */
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#define VAR_OR_FUNCTION_DECL_P(DECL)\
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(TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
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/* Nonzero if CODE represents a INDIRECT_REF. Keep these checks in
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ascending code order. */
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#define INDIRECT_REF_P(CODE)\
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(TREE_CODE (CODE) == INDIRECT_REF \
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|| TREE_CODE (CODE) == ALIGN_INDIRECT_REF \
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|| TREE_CODE (CODE) == MISALIGNED_INDIRECT_REF)
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/* Nonzero if CODE represents a reference. */
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#define REFERENCE_CLASS_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_reference)
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/* Nonzero if CODE represents a comparison. */
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#define COMPARISON_CLASS_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_comparison)
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/* Nonzero if CODE represents a unary arithmetic expression. */
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#define UNARY_CLASS_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_unary)
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/* Nonzero if CODE represents a binary arithmetic expression. */
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#define BINARY_CLASS_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_binary)
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/* Nonzero if CODE represents a statement expression. */
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#define STATEMENT_CLASS_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_statement)
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/* Nonzero if CODE represents any other expression. */
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#define EXPRESSION_CLASS_P(CODE)\
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(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_expression)
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/* Returns nonzero iff CODE represents a type or declaration. */
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#define IS_TYPE_OR_DECL_P(CODE)\
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(TYPE_P (CODE) || DECL_P (CODE))
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/* Returns nonzero iff CLASS is the tree-code class of an
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expression. */
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#define IS_EXPR_CODE_CLASS(CLASS)\
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((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
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/* Returns nonzero iff NODE is an expression of some kind. */
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#define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
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/* Returns nonzero iff NODE is an OpenMP directive. */
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#define OMP_DIRECTIVE_P(NODE) \
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(TREE_CODE (NODE) == OMP_PARALLEL \
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|| TREE_CODE (NODE) == OMP_FOR \
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|| TREE_CODE (NODE) == OMP_SECTIONS \
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|| TREE_CODE (NODE) == OMP_SINGLE \
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|| TREE_CODE (NODE) == OMP_SECTION \
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|| TREE_CODE (NODE) == OMP_MASTER \
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|| TREE_CODE (NODE) == OMP_ORDERED \
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|| TREE_CODE (NODE) == OMP_CRITICAL \
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|| TREE_CODE (NODE) == OMP_RETURN \
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|| TREE_CODE (NODE) == OMP_CONTINUE)
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/* Number of argument-words in each kind of tree-node. */
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extern const unsigned char tree_code_length[];
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#define TREE_CODE_LENGTH(CODE) tree_code_length[(int) (CODE)]
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/* Names of tree components. */
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extern const char *const tree_code_name[];
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/* A vectors of trees. */
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DEF_VEC_P(tree);
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DEF_VEC_ALLOC_P(tree,gc);
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DEF_VEC_ALLOC_P(tree,heap);
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/* Classify which part of the compiler has defined a given builtin function.
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Note that we assume below that this is no more than two bits. */
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enum built_in_class
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{
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NOT_BUILT_IN = 0,
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BUILT_IN_FRONTEND,
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BUILT_IN_MD,
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BUILT_IN_NORMAL
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};
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/* Names for the above. */
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extern const char *const built_in_class_names[4];
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/* Codes that identify the various built in functions
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so that expand_call can identify them quickly. */
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#define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT, IM, COND) ENUM,
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enum built_in_function
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{
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#include "builtins.def"
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/* Complex division routines in libgcc. These are done via builtins
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because emit_library_call_value can't handle complex values. */
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BUILT_IN_COMPLEX_MUL_MIN,
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BUILT_IN_COMPLEX_MUL_MAX
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= BUILT_IN_COMPLEX_MUL_MIN
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+ MAX_MODE_COMPLEX_FLOAT
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- MIN_MODE_COMPLEX_FLOAT,
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BUILT_IN_COMPLEX_DIV_MIN,
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BUILT_IN_COMPLEX_DIV_MAX
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= BUILT_IN_COMPLEX_DIV_MIN
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+ MAX_MODE_COMPLEX_FLOAT
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- MIN_MODE_COMPLEX_FLOAT,
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/* Upper bound on non-language-specific builtins. */
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END_BUILTINS
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};
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#undef DEF_BUILTIN
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/* Names for the above. */
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extern const char * built_in_names[(int) END_BUILTINS];
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/* Helper macros for math builtins. */
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#define BUILTIN_EXP10_P(FN) \
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((FN) == BUILT_IN_EXP10 || (FN) == BUILT_IN_EXP10F || (FN) == BUILT_IN_EXP10L \
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|| (FN) == BUILT_IN_POW10 || (FN) == BUILT_IN_POW10F || (FN) == BUILT_IN_POW10L)
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#define BUILTIN_EXPONENT_P(FN) (BUILTIN_EXP10_P (FN) \
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|| (FN) == BUILT_IN_EXP || (FN) == BUILT_IN_EXPF || (FN) == BUILT_IN_EXPL \
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|| (FN) == BUILT_IN_EXP2 || (FN) == BUILT_IN_EXP2F || (FN) == BUILT_IN_EXP2L)
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#define BUILTIN_SQRT_P(FN) \
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((FN) == BUILT_IN_SQRT || (FN) == BUILT_IN_SQRTF || (FN) == BUILT_IN_SQRTL)
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#define BUILTIN_CBRT_P(FN) \
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((FN) == BUILT_IN_CBRT || (FN) == BUILT_IN_CBRTF || (FN) == BUILT_IN_CBRTL)
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#define BUILTIN_ROOT_P(FN) (BUILTIN_SQRT_P (FN) || BUILTIN_CBRT_P (FN))
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#define CASE_FLT_FN(FN) case FN: case FN##F: case FN##L
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#define CASE_INT_FN(FN) case FN: case FN##L: case FN##LL
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/* An array of _DECL trees for the above. */
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extern GTY(()) tree built_in_decls[(int) END_BUILTINS];
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extern GTY(()) tree implicit_built_in_decls[(int) END_BUILTINS];
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/* In an OMP_CLAUSE node. */
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/* Number of operands and names for each clause. */
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extern unsigned const char omp_clause_num_ops[];
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extern const char * const omp_clause_code_name[];
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/* Clause codes. Do not reorder, as this is used to index into the tables
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omp_clause_num_ops and omp_clause_code_name. */
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enum omp_clause_code
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{
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/* Clause zero is special-cased inside the parser
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(c_parser_omp_variable_list). */
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OMP_CLAUSE_ERROR = 0,
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/* OpenMP clause: private (variable_list). */
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OMP_CLAUSE_PRIVATE,
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/* OpenMP clause: shared (variable_list). */
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OMP_CLAUSE_SHARED,
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/* OpenMP clause: firstprivate (variable_list). */
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OMP_CLAUSE_FIRSTPRIVATE,
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/* OpenMP clause: lastprivate (variable_list). */
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OMP_CLAUSE_LASTPRIVATE,
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/* OpenMP clause: reduction (operator:variable_list).
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OMP_CLAUSE_REDUCTION_CODE: The tree_code of the operator.
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Operand 1: OMP_CLAUSE_REDUCTION_INIT: Stmt-list to initialize the var.
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Operand 2: OMP_CLAUSE_REDUCTION_MERGE: Stmt-list to merge private var
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into the shared one.
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Operand 3: OMP_CLAUSE_REDUCTION_PLACEHOLDER: A dummy VAR_DECL
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placeholder used in OMP_CLAUSE_REDUCTION_MERGE. */
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OMP_CLAUSE_REDUCTION,
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/* OpenMP clause: copyin (variable_list). */
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OMP_CLAUSE_COPYIN,
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/* OpenMP clause: copyprivate (variable_list). */
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OMP_CLAUSE_COPYPRIVATE,
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/* OpenMP clause: if (scalar-expression). */
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OMP_CLAUSE_IF,
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/* OpenMP clause: num_threads (integer-expression). */
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OMP_CLAUSE_NUM_THREADS,
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/* OpenMP clause: schedule. */
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OMP_CLAUSE_SCHEDULE,
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/* OpenMP clause: nowait. */
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OMP_CLAUSE_NOWAIT,
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/* OpenMP clause: ordered. */
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OMP_CLAUSE_ORDERED,
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/* OpenMP clause: default. */
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OMP_CLAUSE_DEFAULT
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};
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/* The definition of tree nodes fills the next several pages. */
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||
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/* A tree node can represent a data type, a variable, an expression
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or a statement. Each node has a TREE_CODE which says what kind of
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thing it represents. Some common codes are:
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INTEGER_TYPE -- represents a type of integers.
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ARRAY_TYPE -- represents a type of pointer.
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VAR_DECL -- represents a declared variable.
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INTEGER_CST -- represents a constant integer value.
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PLUS_EXPR -- represents a sum (an expression).
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As for the contents of a tree node: there are some fields
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that all nodes share. Each TREE_CODE has various special-purpose
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fields as well. The fields of a node are never accessed directly,
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always through accessor macros. */
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/* Every kind of tree node starts with this structure,
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so all nodes have these fields.
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||
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See the accessor macros, defined below, for documentation of the
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fields. */
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union tree_ann_d;
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struct tree_common GTY(())
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{
|
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tree chain;
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tree type;
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union tree_ann_d *ann;
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ENUM_BITFIELD(tree_code) code : 8;
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unsigned side_effects_flag : 1;
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unsigned constant_flag : 1;
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unsigned addressable_flag : 1;
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unsigned volatile_flag : 1;
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||
unsigned readonly_flag : 1;
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||
unsigned unsigned_flag : 1;
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||
unsigned asm_written_flag: 1;
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||
unsigned nowarning_flag : 1;
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||
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||
unsigned used_flag : 1;
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||
unsigned nothrow_flag : 1;
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unsigned static_flag : 1;
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||
unsigned public_flag : 1;
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||
unsigned private_flag : 1;
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||
unsigned protected_flag : 1;
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||
unsigned deprecated_flag : 1;
|
||
unsigned invariant_flag : 1;
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||
|
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unsigned lang_flag_0 : 1;
|
||
unsigned lang_flag_1 : 1;
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||
unsigned lang_flag_2 : 1;
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||
unsigned lang_flag_3 : 1;
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||
unsigned lang_flag_4 : 1;
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||
unsigned lang_flag_5 : 1;
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||
unsigned lang_flag_6 : 1;
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unsigned visited : 1;
|
||
};
|
||
|
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/* The following table lists the uses of each of the above flags and
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for which types of nodes they are defined. Note that expressions
|
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include decls.
|
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|
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addressable_flag:
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TREE_ADDRESSABLE in
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VAR_DECL, FUNCTION_DECL, FIELD_DECL, CONSTRUCTOR, LABEL_DECL,
|
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..._TYPE, IDENTIFIER_NODE.
|
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In a 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
|
||
BINFO_VIRTUAL_P in
|
||
TREE_BINFO
|
||
TREE_CONSTANT_OVERFLOW in
|
||
INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST
|
||
TREE_SYMBOL_REFERENCED in
|
||
IDENTIFIER_NODE
|
||
CLEANUP_EH_ONLY in
|
||
TARGET_EXPR, WITH_CLEANUP_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
|
||
CASE_HIGH_SEEN in CASE_LABEL_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
|
||
ASM_VOLATILE_P in
|
||
ASM_EXPR
|
||
TYPE_CACHED_VALUES_P in
|
||
..._TYPE
|
||
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_PRIVATE in
|
||
..._DECL
|
||
CALL_EXPR_RETURN_SLOT_OPT in
|
||
CALL_EXPR
|
||
DECL_BY_REFERENCE in
|
||
PARM_DECL, RESULT_DECL
|
||
OMP_RETURN_NOWAIT in
|
||
OMP_RETURN
|
||
OMP_SECTION_LAST in
|
||
OMP_SECTION
|
||
OMP_PARALLEL_COMBINED in
|
||
OMP_PARALLEL
|
||
|
||
protected_flag:
|
||
|
||
TREE_PROTECTED in
|
||
BLOCK
|
||
..._DECL
|
||
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
|
||
TYPE_VOLATILE in
|
||
..._TYPE
|
||
|
||
readonly_flag:
|
||
|
||
TREE_READONLY in
|
||
all expressions
|
||
TYPE_READONLY in
|
||
..._TYPE
|
||
|
||
constant_flag:
|
||
|
||
TREE_CONSTANT in
|
||
all expressions
|
||
all decls
|
||
all constants
|
||
TYPE_SIZES_GIMPLIFIED
|
||
..._TYPE
|
||
|
||
unsigned_flag:
|
||
|
||
TYPE_UNSIGNED in
|
||
all types
|
||
DECL_UNSIGNED in
|
||
all decls
|
||
BIT_FIELD_REF_UNSIGNED in
|
||
BIT_FIELD_REF
|
||
|
||
asm_written_flag:
|
||
|
||
TREE_ASM_WRITTEN in
|
||
VAR_DECL, FUNCTION_DECL, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE
|
||
BLOCK, SSA_NAME
|
||
|
||
used_flag:
|
||
|
||
TREE_USED in
|
||
expressions, IDENTIFIER_NODE
|
||
|
||
nothrow_flag:
|
||
|
||
TREE_NOTHROW in
|
||
CALL_EXPR, FUNCTION_DECL
|
||
|
||
TYPE_ALIGN_OK in
|
||
..._TYPE
|
||
|
||
TREE_THIS_NOTRAP in
|
||
(ALIGN/MISALIGNED_)INDIRECT_REF, ARRAY_REF, ARRAY_RANGE_REF
|
||
|
||
deprecated_flag:
|
||
|
||
TREE_DEPRECATED in
|
||
..._DECL
|
||
|
||
IDENTIFIER_TRANSPARENT_ALIAS in
|
||
IDENTIFIER_NODE
|
||
|
||
visited:
|
||
|
||
Used in tree traversals to mark visited nodes.
|
||
|
||
invariant_flag:
|
||
|
||
TREE_INVARIANT in
|
||
all expressions.
|
||
|
||
nowarning_flag:
|
||
|
||
TREE_NO_WARNING in
|
||
... any expr or decl node
|
||
*/
|
||
#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 = (VALUE))
|
||
|
||
/* When checking is enabled, errors will be generated if a tree node
|
||
is accessed incorrectly. The macros die with a fatal error. */
|
||
#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
|
||
|
||
#define TREE_CHECK(T, CODE) __extension__ \
|
||
({ const tree __t = (T); \
|
||
if (TREE_CODE (__t) != (CODE)) \
|
||
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
|
||
(CODE), 0); \
|
||
__t; })
|
||
|
||
#define TREE_NOT_CHECK(T, CODE) __extension__ \
|
||
({ const tree __t = (T); \
|
||
if (TREE_CODE (__t) == (CODE)) \
|
||
tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
|
||
(CODE), 0); \
|
||
__t; })
|
||
|
||
#define TREE_CHECK2(T, CODE1, CODE2) __extension__ \
|
||
({ const tree __t = (T); \
|
||
if (TREE_CODE (__t) != (CODE1) \
|
||
&& TREE_CODE (__t) != (CODE2)) \
|
||
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
|
||
(CODE1), (CODE2), 0); \
|
||
__t; })
|
||
|
||
#define TREE_NOT_CHECK2(T, CODE1, CODE2) __extension__ \
|
||
({ const tree __t = (T); \
|
||
if (TREE_CODE (__t) == (CODE1) \
|
||
|| TREE_CODE (__t) == (CODE2)) \
|
||
tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
|
||
(CODE1), (CODE2), 0); \
|
||
__t; })
|
||
|
||
#define TREE_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
|
||
({ const tree __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; })
|
||
|
||
#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
|
||
({ const tree __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_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
|
||
({ const tree __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; })
|
||
|
||
#define NON_TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
|
||
({ const tree __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; })
|
||
|
||
#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
|
||
({ const tree __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 TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
|
||
({ const tree __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; })
|
||
|
||
#define CONTAINS_STRUCT_CHECK(T, STRUCT) __extension__ \
|
||
({ const tree __t = (T); \
|
||
if (tree_contains_struct[TREE_CODE(__t)][(STRUCT)] != 1) \
|
||
tree_contains_struct_check_failed (__t, (STRUCT), __FILE__, __LINE__, \
|
||
__FUNCTION__); \
|
||
__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__); \
|
||
__t; })
|
||
|
||
#define TREE_RANGE_CHECK(T, CODE1, CODE2) __extension__ \
|
||
({ const tree __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__ \
|
||
({ const tree __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__ \
|
||
({ const tree __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__ \
|
||
({ const tree __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__ \
|
||
({ const tree __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__ \
|
||
(*({const tree __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 PHI_NODE_ELT_CHECK(t, i) __extension__ \
|
||
(*({const tree __t = t; \
|
||
const int __i = (i); \
|
||
if (TREE_CODE (__t) != PHI_NODE) \
|
||
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
|
||
PHI_NODE, 0); \
|
||
if (__i < 0 || __i >= __t->phi.capacity) \
|
||
phi_node_elt_check_failed (__i, __t->phi.num_args, \
|
||
__FILE__, __LINE__, __FUNCTION__); \
|
||
&__t->phi.a[__i]; }))
|
||
|
||
#define OMP_CLAUSE_ELT_CHECK(t, i) __extension__ \
|
||
(*({const tree __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__ \
|
||
(*({const tree __t = EXPR_CHECK (T); \
|
||
const int __i = (I); \
|
||
if (__i < 0 || __i >= TREE_CODE_LENGTH (TREE_CODE (__t))) \
|
||
tree_operand_check_failed (__i, TREE_CODE (__t), \
|
||
__FILE__, __LINE__, __FUNCTION__); \
|
||
&__t->exp.operands[__i]; }))
|
||
|
||
#define TREE_OPERAND_CHECK_CODE(T, CODE, I) __extension__ \
|
||
(*({const tree __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_CODE_LENGTH (CODE)) \
|
||
tree_operand_check_failed (__i, (CODE), \
|
||
__FILE__, __LINE__, __FUNCTION__); \
|
||
&__t->exp.operands[__i]; }))
|
||
|
||
#define TREE_RTL_OPERAND_CHECK(T, CODE, I) __extension__ \
|
||
(*(rtx *) \
|
||
({const tree __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_CODE_LENGTH ((CODE))) \
|
||
tree_operand_check_failed (__i, (CODE), \
|
||
__FILE__, __LINE__, __FUNCTION__); \
|
||
&__t->exp.operands[__i]; }))
|
||
|
||
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, enum tree_code,
|
||
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, 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 PHI_NODE_ELT_CHECK(T, i) ((T)->phi.a[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)
|
||
|
||
#endif
|
||
|
||
#define TREE_BLOCK(NODE) (EXPR_CHECK (NODE)->exp.block)
|
||
|
||
#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 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_CHECK4 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE)
|
||
|
||
/* 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)
|
||
|
||
/* 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)
|
||
|
||
/* Nodes are chained together for many purposes.
|
||
Types are chained together to record them for being output to the debugger
|
||
(see the function `chain_type').
|
||
Decls in the same scope are chained together to record the contents
|
||
of the scope.
|
||
Statement nodes for successive statements used to be chained together.
|
||
Often lists of things are represented by TREE_LIST nodes that
|
||
are chained together. */
|
||
|
||
#define TREE_CHAIN(NODE) ((NODE)->common.chain)
|
||
|
||
/* 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 \
|
||
|| 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))))) \
|
||
(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 \
|
||
|| 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_UNSIGNED (TREE_TYPE (EXP)) \
|
||
== TYPE_UNSIGNED (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 \
|
||
|| 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. Keep these checks in ascending code
|
||
order. */
|
||
|
||
#define INTEGRAL_TYPE_P(TYPE) \
|
||
(TREE_CODE (TYPE) == ENUMERAL_TYPE \
|
||
|| TREE_CODE (TYPE) == BOOLEAN_TYPE \
|
||
|| TREE_CODE (TYPE) == INTEGER_TYPE)
|
||
|
||
/* Nonzero if TYPE represents a scalar floating-point type. */
|
||
|
||
#define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
|
||
|
||
/* Nonzero if TYPE represents a complex floating-point type. */
|
||
|
||
#define COMPLEX_FLOAT_TYPE_P(TYPE) \
|
||
(TREE_CODE (TYPE) == COMPLEX_TYPE \
|
||
&& TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
|
||
|
||
/* Nonzero if TYPE represents a vector floating-point 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. */
|
||
|
||
#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))))
|
||
|
||
/* 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 an aggregate (multi-component) type.
|
||
Keep these checks in ascending code order. */
|
||
|
||
#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 pointer or reference type.
|
||
(It should be renamed to INDIRECT_TYPE_P.) Keep these checks in
|
||
ascending code order. */
|
||
|
||
#define POINTER_TYPE_P(TYPE) \
|
||
(TREE_CODE (TYPE) == POINTER_TYPE || TREE_CODE (TYPE) == REFERENCE_TYPE)
|
||
|
||
/* Nonzero if this type is a complete type. */
|
||
#define COMPLETE_TYPE_P(NODE) (TYPE_SIZE (NODE) != NULL_TREE)
|
||
|
||
/* Nonzero if this type is the (possibly qualified) void type. */
|
||
#define VOID_TYPE_P(NODE) (TREE_CODE (NODE) == VOID_TYPE)
|
||
|
||
/* Nonzero if this type is complete or is cv void. */
|
||
#define COMPLETE_OR_VOID_TYPE_P(NODE) \
|
||
(COMPLETE_TYPE_P (NODE) || VOID_TYPE_P (NODE))
|
||
|
||
/* Nonzero if this type is complete or is an array with unspecified bound. */
|
||
#define COMPLETE_OR_UNBOUND_ARRAY_TYPE_P(NODE) \
|
||
(COMPLETE_TYPE_P (TREE_CODE (NODE) == ARRAY_TYPE ? TREE_TYPE (NODE) : (NODE)))
|
||
|
||
|
||
/* Define many boolean fields that all tree nodes have. */
|
||
|
||
/* In VAR_DECL nodes, nonzero means address of this is needed.
|
||
So it cannot be in a register.
|
||
In a FUNCTION_DECL, nonzero means its address is needed.
|
||
So it must be compiled even if it is an inline function.
|
||
In a FIELD_DECL node, it means that the programmer is permitted to
|
||
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
|
||
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)
|
||
|
||
/* 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)->common.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)->common.addressable_flag)
|
||
|
||
/* 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.
|
||
|
||
??? This is also used in lots of other nodes in unclear ways which
|
||
should be cleaned up some day. */
|
||
#define TREE_STATIC(NODE) ((NODE)->common.static_flag)
|
||
|
||
/* In a TARGET_EXPR, 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)->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)->common.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)->common.nowarning_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) (CST_CHECK (NODE)->common.static_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)
|
||
|
||
/* 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)->common.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) (CST_CHECK (NODE)->common.public_flag)
|
||
|
||
/* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_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)
|
||
|
||
/* 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)->common.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) \
|
||
(TREE_CHECK (NODE, SAVE_EXPR)->common.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)->common.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) ((NODE)->common.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)
|
||
|
||
/* 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)->common.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. */
|
||
#define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->common.readonly_flag)
|
||
|
||
/* Nonzero if NODE is a _DECL with TREE_READONLY set. */
|
||
#define TREE_READONLY_DECL_P(NODE)\
|
||
(DECL_P (NODE) && TREE_READONLY (NODE))
|
||
|
||
/* 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)->common.constant_flag)
|
||
|
||
/* Nonzero if NODE, a type, has had its sizes gimplified. */
|
||
#define TYPE_SIZES_GIMPLIFIED(NODE) (TYPE_CHECK (NODE)->common.constant_flag)
|
||
|
||
/* In a decl (most significantly a FIELD_DECL), means an unsigned field. */
|
||
#define DECL_UNSIGNED(NODE) (DECL_COMMON_CHECK (NODE)->common.unsigned_flag)
|
||
|
||
/* In a BIT_FIELD_REF, means the bitfield is to be interpreted as unsigned. */
|
||
#define BIT_FIELD_REF_UNSIGNED(NODE) \
|
||
(BIT_FIELD_REF_CHECK (NODE)->common.unsigned_flag)
|
||
|
||
/* In integral and pointer types, means an unsigned type. */
|
||
#define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->common.unsigned_flag)
|
||
|
||
/* Nonzero in a VAR_DECL 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.
|
||
In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
|
||
PHI node. */
|
||
#define TREE_ASM_WRITTEN(NODE) ((NODE)->common.asm_written_flag)
|
||
|
||
/* Nonzero in a _DECL if the name is used in its scope.
|
||
Nonzero in an expr node means inhibit warning if value is unused.
|
||
In IDENTIFIER_NODEs, this means that some extern decl for this name
|
||
was used.
|
||
In a BLOCK, this means that the block contains variables that are used. */
|
||
#define TREE_USED(NODE) ((NODE)->common.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)
|
||
|
||
/* 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) ((NODE)->common.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)->common.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)->common.protected_flag)
|
||
|
||
/* In a type, nonzero means that all objects of the type are guaranteed by the
|
||
language or front-end to be properly aligned, so we can indicate that a MEM
|
||
of this type is aligned at least to the alignment of the type, even if it
|
||
doesn't appear that it is. We see this, for example, in object-oriented
|
||
languages where a tag field may show this is an object of a more-aligned
|
||
variant of the more generic type.
|
||
|
||
In an SSA_NAME node, nonzero if the SSA_NAME node is on the SSA_NAME
|
||
freelist. */
|
||
#define TYPE_ALIGN_OK(NODE) (TYPE_CHECK (NODE)->common.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)
|
||
|
||
/* 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)
|
||
|
||
/* 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)->common.deprecated_flag)
|
||
|
||
/* Value of expression is function invariant. A strict subset of
|
||
TREE_CONSTANT, such an expression is constant over any one function
|
||
invocation, though not across different invocations. May appear in
|
||
any expression node. */
|
||
#define TREE_INVARIANT(NODE) ((NODE)->common.invariant_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 additional fields and accessors for nodes representing constants. */
|
||
|
||
/* In an INTEGER_CST node. These two together make a 2-word integer.
|
||
If the data type is signed, the value is sign-extended to 2 words
|
||
even though not all of them may really be in use.
|
||
In an unsigned constant shorter than 2 words, the extra bits are 0. */
|
||
#define TREE_INT_CST(NODE) (INTEGER_CST_CHECK (NODE)->int_cst.int_cst)
|
||
#define TREE_INT_CST_LOW(NODE) (TREE_INT_CST (NODE).low)
|
||
#define TREE_INT_CST_HIGH(NODE) (TREE_INT_CST (NODE).high)
|
||
|
||
#define INT_CST_LT(A, B) \
|
||
(TREE_INT_CST_HIGH (A) < TREE_INT_CST_HIGH (B) \
|
||
|| (TREE_INT_CST_HIGH (A) == TREE_INT_CST_HIGH (B) \
|
||
&& TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
|
||
|
||
#define INT_CST_LT_UNSIGNED(A, B) \
|
||
(((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
|
||
< (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
|
||
|| (((unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (A) \
|
||
== (unsigned HOST_WIDE_INT) TREE_INT_CST_HIGH (B)) \
|
||
&& TREE_INT_CST_LOW (A) < TREE_INT_CST_LOW (B)))
|
||
|
||
struct tree_int_cst GTY(())
|
||
{
|
||
struct tree_common common;
|
||
double_int int_cst;
|
||
};
|
||
|
||
/* 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;
|
||
|
||
#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))
|
||
|
||
struct tree_real_cst GTY(())
|
||
{
|
||
struct tree_common common;
|
||
struct real_value * real_cst_ptr;
|
||
};
|
||
|
||
/* In a STRING_CST */
|
||
#define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
|
||
#define TREE_STRING_POINTER(NODE) \
|
||
((const char *)(STRING_CST_CHECK (NODE)->string.str))
|
||
|
||
struct tree_string GTY(())
|
||
{
|
||
struct tree_common common;
|
||
int length;
|
||
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 GTY(())
|
||
{
|
||
struct tree_common common;
|
||
tree real;
|
||
tree imag;
|
||
};
|
||
|
||
/* In a VECTOR_CST node. */
|
||
#define TREE_VECTOR_CST_ELTS(NODE) (VECTOR_CST_CHECK (NODE)->vector.elements)
|
||
|
||
struct tree_vector GTY(())
|
||
{
|
||
struct tree_common common;
|
||
tree elements;
|
||
};
|
||
|
||
#include "symtab.h"
|
||
|
||
/* Define fields and accessors for some special-purpose tree nodes. */
|
||
|
||
#define IDENTIFIER_LENGTH(NODE) \
|
||
(IDENTIFIER_NODE_CHECK (NODE)->identifier.id.len)
|
||
#define IDENTIFIER_POINTER(NODE) \
|
||
((const char *) IDENTIFIER_NODE_CHECK (NODE)->identifier.id.str)
|
||
#define IDENTIFIER_HASH_VALUE(NODE) \
|
||
(IDENTIFIER_NODE_CHECK (NODE)->identifier.id.hash_value)
|
||
|
||
/* Translate a hash table identifier pointer to a tree_identifier
|
||
pointer, and vice versa. */
|
||
|
||
#define HT_IDENT_TO_GCC_IDENT(NODE) \
|
||
((tree) ((char *) (NODE) - sizeof (struct tree_common)))
|
||
#define GCC_IDENT_TO_HT_IDENT(NODE) (&((struct tree_identifier *) (NODE))->id)
|
||
|
||
struct tree_identifier GTY(())
|
||
{
|
||
struct tree_common common;
|
||
struct ht_identifier id;
|
||
};
|
||
|
||
/* In a TREE_LIST node. */
|
||
#define TREE_PURPOSE(NODE) (TREE_LIST_CHECK (NODE)->list.purpose)
|
||
#define TREE_VALUE(NODE) (TREE_LIST_CHECK (NODE)->list.value)
|
||
|
||
struct tree_list GTY(())
|
||
{
|
||
struct tree_common common;
|
||
tree purpose;
|
||
tree value;
|
||
};
|
||
|
||
/* In a TREE_VEC node. */
|
||
#define TREE_VEC_LENGTH(NODE) (TREE_VEC_CHECK (NODE)->vec.length)
|
||
#define TREE_VEC_END(NODE) \
|
||
((void) TREE_VEC_CHECK (NODE), &((NODE)->vec.a[(NODE)->vec.length]))
|
||
|
||
#define TREE_VEC_ELT(NODE,I) TREE_VEC_ELT_CHECK (NODE, I)
|
||
|
||
struct tree_vec GTY(())
|
||
{
|
||
struct tree_common common;
|
||
int length;
|
||
tree GTY ((length ("TREE_VEC_LENGTH ((tree)&%h)"))) a[1];
|
||
};
|
||
|
||
/* In a CONSTRUCTOR node. */
|
||
#define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
|
||
|
||
/* 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;
|
||
|
||
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;
|
||
};
|
||
|
||
/* Define fields and accessors for some nodes that represent expressions. */
|
||
|
||
/* Nonzero if NODE is an empty statement (NOP_EXPR <0>). */
|
||
#define IS_EMPTY_STMT(NODE) (TREE_CODE (NODE) == NOP_EXPR \
|
||
&& VOID_TYPE_P (TREE_TYPE (NODE)) \
|
||
&& integer_zerop (TREE_OPERAND (NODE, 0)))
|
||
|
||
/* In ordinary expression nodes. */
|
||
#define TREE_OPERAND(NODE, I) TREE_OPERAND_CHECK (NODE, I)
|
||
#define TREE_COMPLEXITY(NODE) (EXPR_CHECK (NODE)->exp.complexity)
|
||
|
||
/* In a LOOP_EXPR node. */
|
||
#define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
|
||
|
||
#ifdef USE_MAPPED_LOCATION
|
||
/* 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, FROM) \
|
||
(EXPR_CHECK (NODE)->exp.locus = (FROM))
|
||
#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCATION (NODE) != UNKNOWN_LOCATION)
|
||
/* EXPR_LOCUS and SET_EXPR_LOCUS are deprecated. */
|
||
#define EXPR_LOCUS(NODE) \
|
||
(EXPR_P (NODE) ? &(NODE)->exp.locus : (location_t *)NULL)
|
||
#define SET_EXPR_LOCUS(NODE, FROM) \
|
||
do { source_location *loc_tmp = FROM; \
|
||
EXPR_CHECK (NODE)->exp.locus \
|
||
= loc_tmp == NULL ? UNKNOWN_LOCATION : *loc_tmp; } while (0)
|
||
#define EXPR_FILENAME(NODE) \
|
||
LOCATION_FILE (EXPR_CHECK (NODE)->exp.locus)
|
||
#define EXPR_LINENO(NODE) \
|
||
LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
|
||
#else
|
||
/* 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_LOCUS(NODE) \
|
||
(EXPR_P (NODE) ? (NODE)->exp.locus : (location_t *)NULL)
|
||
#define SET_EXPR_LOCUS(NODE, FROM) \
|
||
(EXPR_CHECK (NODE)->exp.locus = (FROM))
|
||
#define SET_EXPR_LOCATION(NODE, FROM) annotate_with_locus (NODE, FROM)
|
||
#define EXPR_FILENAME(NODE) \
|
||
(EXPR_CHECK (NODE)->exp.locus->file)
|
||
#define EXPR_LINENO(NODE) \
|
||
(EXPR_CHECK (NODE)->exp.locus->line)
|
||
#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCUS (NODE) != NULL)
|
||
#define EXPR_LOCATION(NODE) \
|
||
(EXPR_HAS_LOCATION(NODE) ? *(NODE)->exp.locus : UNKNOWN_LOCATION)
|
||
#endif
|
||
|
||
/* 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) (TREE_STATIC (NODE))
|
||
#define ASM_VOLATILE_P(NODE) (TREE_PUBLIC (NODE))
|
||
|
||
/* 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))
|
||
|
||
/* 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) TREE_STATIC (EH_FILTER_EXPR_CHECK (NODE))
|
||
|
||
/* 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)
|
||
|
||
/* 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_PARALLEL_FN(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 2)
|
||
#define OMP_PARALLEL_DATA_ARG(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 3)
|
||
|
||
#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) \
|
||
TREE_PRIVATE (OMP_SECTION_CHECK (NODE))
|
||
|
||
/* True on an OMP_RETURN statement if the return does not require a
|
||
thread synchronization via some sort of barrier. The exact barrier
|
||
that would otherwise be emitted is dependent on the OMP statement
|
||
with which this return is associated. */
|
||
#define OMP_RETURN_NOWAIT(NODE) \
|
||
TREE_PRIVATE (OMP_RETURN_CHECK (NODE))
|
||
|
||
/* True on an OMP_PARALLEL statement if it represents an explicit
|
||
combined parallel work-sharing constructs. */
|
||
#define OMP_PARALLEL_COMBINED(NODE) \
|
||
TREE_PRIVATE (OMP_PARALLEL_CHECK (NODE))
|
||
|
||
/* 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) \
|
||
TREE_PUBLIC (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) \
|
||
TREE_PUBLIC (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE))
|
||
|
||
#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_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_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_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
|
||
};
|
||
|
||
#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;
|
||
source_locus locus;
|
||
int complexity;
|
||
tree block;
|
||
tree GTY ((special ("tree_exp"),
|
||
desc ("TREE_CODE ((tree) &%0)")))
|
||
operands[1];
|
||
};
|
||
|
||
/* 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 reference. Note that
|
||
we use the same field when chaining SSA_NAME nodes together on
|
||
the SSA_NAME freelist. */
|
||
#define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->common.chain
|
||
|
||
/* 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)->common.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)->common.nothrow_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;
|
||
tree GTY((skip(""))) stmt;
|
||
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;
|
||
|
||
/* 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;
|
||
};
|
||
|
||
/* In a PHI_NODE node. */
|
||
|
||
/* These 2 macros should be considered off limits for use by developers. If
|
||
you wish to access the use or def fields of a PHI_NODE in the SSA
|
||
optimizers, use the accessor macros found in tree-ssa-operands.h.
|
||
These two macros are to be used only by those accessor macros, and other
|
||
select places where we *absolutely* must take the address of the tree. */
|
||
|
||
#define PHI_RESULT_TREE(NODE) PHI_NODE_CHECK (NODE)->phi.result
|
||
#define PHI_ARG_DEF_TREE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).def
|
||
|
||
/* PHI_NODEs for each basic block are chained together in a single linked
|
||
list. The head of the list is linked from the block annotation, and
|
||
the link to the next PHI is in PHI_CHAIN. */
|
||
#define PHI_CHAIN(NODE) TREE_CHAIN (PHI_NODE_CHECK (NODE))
|
||
|
||
#define PHI_NUM_ARGS(NODE) PHI_NODE_CHECK (NODE)->phi.num_args
|
||
#define PHI_ARG_CAPACITY(NODE) PHI_NODE_CHECK (NODE)->phi.capacity
|
||
#define PHI_ARG_ELT(NODE, I) PHI_NODE_ELT_CHECK (NODE, I)
|
||
#define PHI_ARG_EDGE(NODE, I) (EDGE_PRED (PHI_BB ((NODE)), (I)))
|
||
#define PHI_BB(NODE) PHI_NODE_CHECK (NODE)->phi.bb
|
||
#define PHI_ARG_IMM_USE_NODE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).imm_use
|
||
|
||
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;
|
||
};
|
||
|
||
struct tree_phi_node GTY(())
|
||
{
|
||
struct tree_common common;
|
||
tree result;
|
||
int num_args;
|
||
int capacity;
|
||
|
||
/* Basic block to that the phi node belongs. */
|
||
struct basic_block_def *bb;
|
||
|
||
/* Arguments of the PHI node. These are maintained in the same
|
||
order as predecessor edge vector BB->PREDS. */
|
||
struct phi_arg_d GTY ((length ("((tree)&%h)->phi.num_args"))) a[1];
|
||
};
|
||
|
||
#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;
|
||
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;
|
||
tree GTY ((length ("omp_clause_num_ops[OMP_CLAUSE_CODE ((tree)&%h)]"))) ops[1];
|
||
};
|
||
|
||
|
||
struct varray_head_tag;
|
||
|
||
/* In a BLOCK node. */
|
||
#define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
|
||
#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
|
||
that use chainon or nreverse. */
|
||
#define BLOCK_CHAIN(NODE) TREE_CHAIN (BLOCK_CHECK (NODE))
|
||
#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. */
|
||
#define BLOCK_NUMBER(NODE) (BLOCK_CHECK (NODE)->block.block_num)
|
||
|
||
/* If block reordering splits a lexical block into discontiguous
|
||
address ranges, we'll make a copy of the original block.
|
||
|
||
Note that this is logically distinct from BLOCK_ABSTRACT_ORIGIN.
|
||
In that case, we have one source block that has been replicated
|
||
(through inlining or unrolling) into many logical blocks, and that
|
||
these logical blocks have different physical variables in them.
|
||
|
||
In this case, we have one logical block split into several
|
||
non-contiguous address ranges. Most debug formats can't actually
|
||
represent this idea directly, so we fake it by creating multiple
|
||
logical blocks with the same variables in them. However, for those
|
||
that do support non-contiguous regions, these allow the original
|
||
logical block to be reconstructed, along with the set of address
|
||
ranges.
|
||
|
||
One of the logical block fragments is arbitrarily chosen to be
|
||
the ORIGIN. The other fragments will point to the origin via
|
||
BLOCK_FRAGMENT_ORIGIN; the origin itself will have this pointer
|
||
be null. The list of fragments will be chained through
|
||
BLOCK_FRAGMENT_CHAIN from the origin. */
|
||
|
||
#define BLOCK_FRAGMENT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_origin)
|
||
#define BLOCK_FRAGMENT_CHAIN(NODE) (BLOCK_CHECK (NODE)->block.fragment_chain)
|
||
|
||
/* For an inlined function, this gives the location where it was called
|
||
from. This is only set in the top level block, which corresponds to the
|
||
inlined function scope. This is used in the debug output routines. */
|
||
|
||
#define BLOCK_SOURCE_LOCATION(NODE) (BLOCK_CHECK (NODE)->block.locus)
|
||
|
||
struct tree_block GTY(())
|
||
{
|
||
struct tree_common common;
|
||
|
||
unsigned handler_block_flag : 1;
|
||
unsigned abstract_flag : 1;
|
||
unsigned block_num : 30;
|
||
|
||
tree vars;
|
||
tree subblocks;
|
||
tree supercontext;
|
||
tree abstract_origin;
|
||
tree fragment_origin;
|
||
tree fragment_chain;
|
||
location_t locus;
|
||
};
|
||
|
||
/* Define fields and accessors for nodes representing data types. */
|
||
|
||
/* See tree.def for documentation of the use of these fields.
|
||
Look at the documentation of the various ..._TYPE tree codes.
|
||
|
||
Note that the type.values, type.minval, and type.maxval fields are
|
||
overloaded and used for different macros in different kinds of types.
|
||
Each macro must check to ensure the tree node is of the proper kind of
|
||
type. Note also that some of the front-ends also overload these fields,
|
||
so they must be checked as well. */
|
||
|
||
#define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type.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) (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_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)
|
||
#define TYPE_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific)
|
||
|
||
/* 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) (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
|
||
other. If the TYPE_ALIAS_SET is -1, no alias set has yet been
|
||
assigned to this type. If the TYPE_ALIAS_SET is 0, objects of this
|
||
type can alias objects of any type. */
|
||
#define TYPE_ALIAS_SET(NODE) (TYPE_CHECK (NODE)->type.alias_set)
|
||
|
||
/* Nonzero iff the typed-based alias set for this type has been
|
||
calculated. */
|
||
#define TYPE_ALIAS_SET_KNOWN_P(NODE) (TYPE_CHECK (NODE)->type.alias_set != -1)
|
||
|
||
/* A TREE_LIST of IDENTIFIER nodes of the attributes that apply
|
||
to this type. */
|
||
#define TYPE_ATTRIBUTES(NODE) (TYPE_CHECK (NODE)->type.attributes)
|
||
|
||
/* The alignment necessary for objects of this type.
|
||
The value is an int, measured in bits. */
|
||
#define TYPE_ALIGN(NODE) (TYPE_CHECK (NODE)->type.align)
|
||
|
||
/* 1 if the alignment for this type was requested by "aligned" attribute,
|
||
0 if it is the default for this type. */
|
||
#define TYPE_USER_ALIGN(NODE) (TYPE_CHECK (NODE)->type.user_align)
|
||
|
||
/* The alignment for NODE, in bytes. */
|
||
#define TYPE_ALIGN_UNIT(NODE) (TYPE_ALIGN (NODE) / BITS_PER_UNIT)
|
||
|
||
/* If your language allows you to declare types, and you want debug info
|
||
for them, then you need to generate corresponding TYPE_DECL nodes.
|
||
These "stub" TYPE_DECL nodes have no name, and simply point at the
|
||
type node. You then set the TYPE_STUB_DECL field of the type node
|
||
to point back at the TYPE_DECL node. This allows the debug routines
|
||
to know that the two nodes represent the same type, so that we only
|
||
get one debug info record for them. */
|
||
#define TYPE_STUB_DECL(NODE) TREE_CHAIN (NODE)
|
||
|
||
/* In a RECORD_TYPE, UNION_TYPE or QUAL_UNION_TYPE, it means the type
|
||
has BLKmode only because it lacks the alignment requirement for
|
||
its size. */
|
||
#define TYPE_NO_FORCE_BLK(NODE) (TYPE_CHECK (NODE)->type.no_force_blk_flag)
|
||
|
||
/* In an INTEGER_TYPE, it means the type represents a size. We use
|
||
this both for validity checking and to permit optimizations that
|
||
are unsafe for other types. Note that the C `size_t' type should
|
||
*not* have this flag set. The `size_t' type is simply a typedef
|
||
for an ordinary integer type that happens to be the type of an
|
||
expression returned by `sizeof'; `size_t' has no special
|
||
properties. Expressions whose type have TYPE_IS_SIZETYPE set are
|
||
always actual sizes. */
|
||
#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)
|
||
|
||
/* Means this type is const-qualified. */
|
||
#define TYPE_READONLY(NODE) (TYPE_CHECK (NODE)->common.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)
|
||
|
||
/* 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_UNQUALIFIED 0x0
|
||
#define TYPE_QUAL_CONST 0x1
|
||
#define TYPE_QUAL_VOLATILE 0x2
|
||
#define TYPE_QUAL_RESTRICT 0x4
|
||
|
||
/* 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))
|
||
|
||
/* 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_1(NODE) (TYPE_CHECK (NODE)->type.lang_flag_1)
|
||
#define TYPE_LANG_FLAG_2(NODE) (TYPE_CHECK (NODE)->type.lang_flag_2)
|
||
#define TYPE_LANG_FLAG_3(NODE) (TYPE_CHECK (NODE)->type.lang_flag_3)
|
||
#define TYPE_LANG_FLAG_4(NODE) (TYPE_CHECK (NODE)->type.lang_flag_4)
|
||
#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)->common.visited)
|
||
|
||
/* If set in an ARRAY_TYPE, indicates a string type (for languages
|
||
that distinguish string from array of char).
|
||
If set in a INTEGER_TYPE, indicates a character type. */
|
||
#define TYPE_STRING_FLAG(NODE) (TYPE_CHECK (NODE)->type.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) \
|
||
(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) \
|
||
(((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
|
||
function when they are created. */
|
||
#define TYPE_NEEDS_CONSTRUCTING(NODE) \
|
||
(TYPE_CHECK (NODE)->type.needs_constructing_flag)
|
||
|
||
/* Indicates that objects of this type (a UNION_TYPE), should be passed
|
||
the same way that the first union alternative would be passed. */
|
||
#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. */
|
||
#define TYPE_NONALIASED_COMPONENT(NODE) \
|
||
(ARRAY_TYPE_CHECK (NODE)->type.transparent_union_flag)
|
||
|
||
/* Indicated that objects of this type should be laid out in as
|
||
compact a way as possible. */
|
||
#define TYPE_PACKED(NODE) (TYPE_CHECK (NODE)->type.packed_flag)
|
||
|
||
/* Used by type_contains_placeholder_p to avoid recomputation.
|
||
Values are: 0 (unknown), 1 (false), 2 (true). Never access
|
||
this field directly. */
|
||
#define TYPE_CONTAINS_PLACEHOLDER_INTERNAL(NODE) \
|
||
(TYPE_CHECK (NODE)->type.contains_placeholder_bits)
|
||
|
||
struct die_struct;
|
||
|
||
struct tree_type GTY(())
|
||
{
|
||
struct tree_common common;
|
||
tree values;
|
||
tree size;
|
||
tree size_unit;
|
||
tree attributes;
|
||
unsigned int uid;
|
||
|
||
unsigned int precision : 9;
|
||
ENUM_BITFIELD(machine_mode) mode : 7;
|
||
|
||
unsigned string_flag : 1;
|
||
unsigned no_force_blk_flag : 1;
|
||
unsigned needs_constructing_flag : 1;
|
||
unsigned transparent_union_flag : 1;
|
||
unsigned packed_flag : 1;
|
||
unsigned restrict_flag : 1;
|
||
unsigned contains_placeholder_bits : 2;
|
||
|
||
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 user_align : 1;
|
||
|
||
unsigned int align;
|
||
tree pointer_to;
|
||
tree reference_to;
|
||
union tree_type_symtab {
|
||
int GTY ((tag ("0"))) address;
|
||
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 next_variant;
|
||
tree main_variant;
|
||
tree binfo;
|
||
tree context;
|
||
HOST_WIDE_INT alias_set;
|
||
/* Points to a structure whose details depend on the language in use. */
|
||
struct lang_type *lang_specific;
|
||
};
|
||
|
||
/* Define accessor macros for information about type inheritance
|
||
and basetypes.
|
||
|
||
A "basetype" means a particular usage of a data type for inheritance
|
||
in another type. Each such basetype usage has its own "binfo"
|
||
object to describe it. The binfo object is a TREE_VEC node.
|
||
|
||
Inheritance is represented by the binfo nodes allocated for a
|
||
given type. For example, given types C and D, such that D is
|
||
inherited by C, 3 binfo nodes will be allocated: one for describing
|
||
the binfo properties of C, similarly one for D, and one for
|
||
describing the binfo properties of D as a base type for C.
|
||
Thus, given a pointer to class C, one can get a pointer to the binfo
|
||
of D acting as a basetype for C by looking at C's binfo's basetypes. */
|
||
|
||
/* BINFO specific flags. */
|
||
|
||
/* Nonzero means that the derivation chain is via a `virtual' declaration. */
|
||
#define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->common.static_flag)
|
||
|
||
/* Flags for language dependent use. */
|
||
#define BINFO_MARKED(NODE) TREE_LANG_FLAG_0(TREE_BINFO_CHECK(NODE))
|
||
#define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1(TREE_BINFO_CHECK(NODE))
|
||
#define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2(TREE_BINFO_CHECK(NODE))
|
||
#define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3(TREE_BINFO_CHECK(NODE))
|
||
#define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4(TREE_BINFO_CHECK(NODE))
|
||
#define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5(TREE_BINFO_CHECK(NODE))
|
||
#define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6(TREE_BINFO_CHECK(NODE))
|
||
|
||
/* The actual data type node being inherited in this basetype. */
|
||
#define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK(NODE))
|
||
|
||
/* The offset where this basetype appears in its containing type.
|
||
BINFO_OFFSET slot holds the offset (in bytes)
|
||
from the base of the complete object to the base of the part of the
|
||
object that is allocated on behalf of this `type'.
|
||
This is always 0 except when there is multiple inheritance. */
|
||
|
||
#define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK(NODE)->binfo.offset)
|
||
#define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
|
||
|
||
/* The virtual function table belonging to this basetype. Virtual
|
||
function tables provide a mechanism for run-time method dispatching.
|
||
The entries of a virtual function table are language-dependent. */
|
||
|
||
#define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtable)
|
||
|
||
/* The virtual functions in the virtual function table. This is
|
||
a TREE_LIST that is used as an initial approximation for building
|
||
a virtual function table for this basetype. */
|
||
#define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK(NODE)->binfo.virtuals)
|
||
|
||
/* A vector of binfos for the direct basetypes inherited by this
|
||
basetype.
|
||
|
||
If this basetype describes type D as inherited in C, and if the
|
||
basetypes of D are E and F, then this vector contains binfos for
|
||
inheritance of E and F by C. */
|
||
#define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK(NODE)->binfo.base_binfos)
|
||
|
||
/* The number of basetypes for NODE. */
|
||
#define BINFO_N_BASE_BINFOS(NODE) (VEC_length (tree, BINFO_BASE_BINFOS (NODE)))
|
||
|
||
/* 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. 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;
|
||
};
|
||
|
||
|
||
/* Define fields and accessors for nodes representing declared names. */
|
||
|
||
/* 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)))))
|
||
|
||
|
||
|
||
|
||
/* Enumerate visibility settings. */
|
||
#ifndef SYMBOL_VISIBILITY_DEFINED
|
||
#define SYMBOL_VISIBILITY_DEFINED
|
||
enum symbol_visibility
|
||
{
|
||
VISIBILITY_DEFAULT,
|
||
VISIBILITY_PROTECTED,
|
||
VISIBILITY_HIDDEN,
|
||
VISIBILITY_INTERNAL
|
||
};
|
||
#endif
|
||
|
||
struct function;
|
||
|
||
|
||
/* 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)
|
||
|
||
/* These two fields describe where in the source code the declaration
|
||
was. If the declaration appears in several places (as for a C
|
||
function that is declared first and then defined later), this
|
||
information should refer to the definition. */
|
||
#define DECL_SOURCE_LOCATION(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
|
||
#define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
|
||
#define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
|
||
#ifdef USE_MAPPED_LOCATION
|
||
#define DECL_IS_BUILTIN(DECL) \
|
||
(DECL_SOURCE_LOCATION (DECL) <= BUILTINS_LOCATION)
|
||
#else
|
||
#define DECL_IS_BUILTIN(DECL) (DECL_SOURCE_LINE(DECL) == 0)
|
||
#endif
|
||
|
||
/* 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;
|
||
};
|
||
|
||
/* 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:
|
||
|
||
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.
|
||
|
||
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.
|
||
|
||
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;
|
||
unsigned int is_global:1;
|
||
unsigned int is_used_alone:1;
|
||
unsigned int old_used_alone:1;
|
||
};
|
||
|
||
#define MTAG_GLOBAL(NODE) (TREE_MEMORY_TAG_CHECK (NODE)->mtag.is_global)
|
||
|
||
/* This flag is true if a SMT is used as the V_MAY_DEF or VUSE operand
|
||
directly, because the access had all of the SMT's aliases pruned
|
||
from it. */
|
||
#define SMT_USED_ALONE(NODE) (SYMBOL_MEMORY_TAG_CHECK (NODE)->mtag.is_used_alone)
|
||
|
||
/* This flag is used to temporarily store the old value of the used alone
|
||
flag when updating so we know whether to mark the symbol for
|
||
renaming. */
|
||
#define SMT_OLD_USED_ALONE(NODE) (SYMBOL_MEMORY_TAG_CHECK (NODE)->mtag.old_used_alone)
|
||
|
||
struct tree_struct_field_tag GTY(())
|
||
{
|
||
struct tree_memory_tag common;
|
||
|
||
/* Parent variable. */
|
||
tree parent_var;
|
||
|
||
/* Offset inside structure. */
|
||
unsigned HOST_WIDE_INT offset;
|
||
|
||
/* Size of the field. */
|
||
unsigned HOST_WIDE_INT size;
|
||
|
||
};
|
||
#define SFT_PARENT_VAR(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.parent_var)
|
||
#define SFT_OFFSET(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.offset)
|
||
#define SFT_SIZE(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.size)
|
||
|
||
/* 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_COMMON_CHECK (NODE)->decl_common.abstract_origin)
|
||
|
||
/* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
|
||
origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */
|
||
#define DECL_ORIGIN(NODE) \
|
||
(DECL_ABSTRACT_ORIGIN (NODE) ? DECL_ABSTRACT_ORIGIN (NODE) : (NODE))
|
||
|
||
/* Nonzero for any sort of ..._DECL node means this decl node represents an
|
||
inline instance of some original (abstract) decl from an inline function;
|
||
suppress any warnings about shadowing some other variable. FUNCTION_DECL
|
||
nodes can also have their abstract origin set to themselves. */
|
||
#define DECL_FROM_INLINE(NODE) (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
|
||
&& DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
|
||
|
||
/* In a DECL this is the field where attributes are stored. */
|
||
#define DECL_ATTRIBUTES(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.attributes)
|
||
|
||
/* For a FUNCTION_DECL, holds the tree of BINDINGs.
|
||
For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
|
||
For a VAR_DECL, holds the initial value.
|
||
For a PARM_DECL, not used--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.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_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)->decl_common.u1.f)
|
||
#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
|
||
declaration of an inline function). When generating symbolic debugging
|
||
information, we mustn't try to generate any address information for nodes
|
||
marked as "abstract instances" because we don't actually generate
|
||
any code or allocate any data space for such instances. */
|
||
#define DECL_ABSTRACT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
|
||
|
||
/* Language-specific decl information. */
|
||
#define DECL_LANG_SPECIFIC(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
|
||
|
||
/* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference:
|
||
do not allocate storage, and refer to a definition elsewhere. Note that
|
||
this does not necessarily imply the entity represented by NODE
|
||
has no program source-level definition in this translation unit. For
|
||
example, for a FUNCTION_DECL, DECL_SAVED_TREE may be non-NULL and
|
||
DECL_EXTERNAL may be true simultaneously; that can be the case for
|
||
a C99 "extern inline" function. */
|
||
#define DECL_EXTERNAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.decl_flag_2)
|
||
|
||
/* In a VAR_DECL for a RECORD_TYPE, sets number for non-init_priority
|
||
initializations. */
|
||
#define DEFAULT_INIT_PRIORITY 65535
|
||
#define MAX_INIT_PRIORITY 65535
|
||
#define MAX_RESERVED_INIT_PRIORITY 100
|
||
|
||
|
||
/* Nonzero in a ..._DECL means this variable is ref'd from a nested function.
|
||
For VAR_DECL nodes, PARM_DECL nodes, and FUNCTION_DECL nodes.
|
||
|
||
For LABEL_DECL nodes, nonzero if nonlocal gotos to the label are permitted.
|
||
|
||
Also set in some languages for variables, etc., outside the normal
|
||
lexical scope, such as class instance variables. */
|
||
#define DECL_NONLOCAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.nonlocal_flag)
|
||
|
||
/* Used in VAR_DECLs to indicate that the variable is a vtable.
|
||
Used in FIELD_DECLs for vtable pointers.
|
||
Used in FUNCTION_DECLs to indicate that the function is virtual. */
|
||
#define DECL_VIRTUAL_P(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.virtual_flag)
|
||
|
||
/* Used to indicate that this DECL represents a compiler-generated entity. */
|
||
#define DECL_ARTIFICIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
|
||
|
||
/* Additional flags for language-specific uses. */
|
||
#define DECL_LANG_FLAG_0(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
|
||
#define DECL_LANG_FLAG_1(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
|
||
#define DECL_LANG_FLAG_2(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
|
||
#define DECL_LANG_FLAG_3(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
|
||
#define DECL_LANG_FLAG_4(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
|
||
#define DECL_LANG_FLAG_5(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
|
||
#define DECL_LANG_FLAG_6(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
|
||
#define DECL_LANG_FLAG_7(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
|
||
|
||
/* 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)
|
||
|
||
/* 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 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 type, 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_COMPLEX_GIMPLE_REG_P(DECL) \
|
||
DECL_COMMON_CHECK (DECL)->decl_common.gimple_reg_flag
|
||
|
||
/* This is true if DECL is call clobbered in the current function.
|
||
The result of this flag should always be the same as
|
||
bitmap_bit_p (call_clobbered_vars, DECL_UID (decl)). */
|
||
#define DECL_CALL_CLOBBERED(DECL) \
|
||
DECL_COMMON_CHECK (DECL)->decl_common.call_clobbered_flag
|
||
|
||
struct tree_decl_common GTY(())
|
||
{
|
||
struct tree_decl_minimal common;
|
||
tree size;
|
||
|
||
ENUM_BITFIELD(machine_mode) mode : 8;
|
||
|
||
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;
|
||
|
||
/* 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;
|
||
unsigned call_clobbered_flag : 1;
|
||
|
||
union tree_decl_u1 {
|
||
/* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
|
||
DECL_FUNCTION_CODE. */
|
||
enum built_in_function f;
|
||
/* In a FUNCTION_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 tree_decl_u1_a {
|
||
unsigned int align : 24;
|
||
unsigned int off_align : 8;
|
||
} a;
|
||
} GTY ((skip)) u1;
|
||
|
||
tree size_unit;
|
||
tree initial;
|
||
tree attributes;
|
||
tree abstract_origin;
|
||
|
||
HOST_WIDE_INT pointer_alias_set;
|
||
/* Points to a structure whose details depend on the language in use. */
|
||
struct lang_decl *lang_specific;
|
||
};
|
||
|
||
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))
|
||
|
||
/* Set the DECL_RTL for NODE to RTL. */
|
||
#define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
|
||
|
||
/* Returns nonzero if NODE is a tree node that can contain RTL. */
|
||
#define HAS_RTL_P(NODE) (CODE_CONTAINS_STRUCT (TREE_CODE (NODE), TS_DECL_WRTL))
|
||
|
||
/* Returns nonzero if the DECL_RTL for NODE has already been set. */
|
||
#define DECL_RTL_SET_P(NODE) (HAS_RTL_P (NODE) && DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl != NULL)
|
||
|
||
/* Copy the RTL from NODE1 to NODE2. If the RTL was not set for
|
||
NODE1, it will not be set for NODE2; this is a lazy copy. */
|
||
#define COPY_DECL_RTL(NODE1, NODE2) \
|
||
(DECL_WRTL_CHECK (NODE2)->decl_with_rtl.rtl = DECL_WRTL_CHECK (NODE1)->decl_with_rtl.rtl)
|
||
|
||
/* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */
|
||
#define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
|
||
|
||
/* 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.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_common.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. */
|
||
|
||
/* 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_common.decl_flag_2)
|
||
|
||
/* 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_common.decl_flag_3)
|
||
|
||
struct tree_field_decl GTY(())
|
||
{
|
||
struct tree_decl_common common;
|
||
|
||
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;
|
||
/* Java's verifier has some need to store information about labels,
|
||
and was using fields that no longer exist on labels.
|
||
Once the verifier doesn't need these anymore, they should be removed. */
|
||
tree java_field_1;
|
||
tree java_field_2;
|
||
tree java_field_3;
|
||
unsigned int java_field_4;
|
||
|
||
};
|
||
|
||
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_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
|
||
|
||
/* 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) \
|
||
(DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.in_system_header_flag)
|
||
|
||
/* Used to indicate that this DECL has weak linkage. */
|
||
#define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_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 the DECL is a dllimport. */
|
||
#define DECL_DLLIMPORT_P(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_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. */
|
||
|
||
#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.
|
||
Entities like this are shared across translation units (like weak
|
||
entities), but are guaranteed to be generated by any translation
|
||
unit that needs them, and therefore need not be put out anywhere
|
||
where they are not needed. DECL_COMDAT is just a hint to the
|
||
back-end; it is up to front-ends which set this flag to ensure
|
||
that there will never be any harm, other than bloat, in putting out
|
||
something which is DECL_COMDAT. */
|
||
#define DECL_COMDAT(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
|
||
|
||
/* 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 in_system_header_flag : 1;
|
||
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;
|
||
/* 11 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))
|
||
|
||
|
||
extern unsigned short decl_init_priority_lookup (tree);
|
||
extern void decl_init_priority_insert (tree, unsigned short);
|
||
|
||
/* In a non-local VAR_DECL with static storage duration, this is the
|
||
initialization priority. If this value is zero, the NODE will be
|
||
initialized at the DEFAULT_INIT_PRIORITY. Only used by C++ FE*/
|
||
|
||
#define DECL_HAS_INIT_PRIORITY_P(NODE) \
|
||
(VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
|
||
#define DECL_INIT_PRIORITY(NODE) \
|
||
(decl_init_priority_lookup (VAR_DECL_CHECK (NODE)))
|
||
#define SET_DECL_INIT_PRIORITY(NODE, VAL) \
|
||
(decl_init_priority_insert (VAR_DECL_CHECK (NODE), VAL))
|
||
|
||
/* 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_NONE)
|
||
|
||
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 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_IS_PURE(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
|
||
|
||
/* Nonzero in a FUNCTION_DECL means this function should be treated
|
||
as "novops" function (function that does not read global memory,
|
||
but may have arbitrary side effects). */
|
||
#define DECL_IS_NOVOPS(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.novops_flag)
|
||
|
||
/* Used in FUNCTION_DECLs to indicate that they should be run automatically
|
||
at the beginning or end of execution. */
|
||
#define DECL_STATIC_CONSTRUCTOR(NODE) \
|
||
(FUNCTION_DECL_CHECK (NODE)->function_decl.static_ctor_flag)
|
||
|
||
#define DECL_STATIC_DESTRUCTOR(NODE) \
|
||
(FUNCTION_DECL_CHECK (NODE)->function_decl.static_dtor_flag)
|
||
|
||
/* Used in FUNCTION_DECLs to indicate that function entry and exit should
|
||
be instrumented with calls to support routines. */
|
||
#define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
|
||
(FUNCTION_DECL_CHECK (NODE)->function_decl.no_instrument_function_entry_exit)
|
||
|
||
/* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
|
||
disabled in this function. */
|
||
#define DECL_NO_LIMIT_STACK(NODE) \
|
||
(FUNCTION_DECL_CHECK (NODE)->function_decl.no_limit_stack)
|
||
|
||
/* In a FUNCTION_DECL 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 this function can be substituted
|
||
where it is called. */
|
||
#define DECL_INLINE(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.inline_flag)
|
||
|
||
/* 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'; whether or not the function is inlined is
|
||
controlled by DECL_INLINE. */
|
||
#define DECL_DECLARED_INLINE_P(NODE) \
|
||
(FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
|
||
|
||
/* For FUNCTION_DECL, this holds a pointer to a structure ("struct function")
|
||
that describes the status of this function. */
|
||
#define DECL_STRUCT_FUNCTION(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.f)
|
||
|
||
/* In a FUNCTION_DECL, nonzero means a built in function. */
|
||
#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
|
||
|
||
/* For a builtin function, identify which part of the compiler defined it. */
|
||
#define DECL_BUILT_IN_CLASS(NODE) \
|
||
(FUNCTION_DECL_CHECK (NODE)->function_decl.built_in_class)
|
||
|
||
/* In FUNCTION_DECL, a chain of ..._DECL nodes.
|
||
VAR_DECL and PARM_DECL reserve the arguments slot for language-specific
|
||
uses. */
|
||
#define DECL_ARGUMENTS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.arguments)
|
||
#define DECL_ARGUMENT_FLD(NODE) (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments)
|
||
|
||
/* 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_decl_non_common common;
|
||
|
||
unsigned static_ctor_flag : 1;
|
||
unsigned static_dtor_flag : 1;
|
||
unsigned uninlinable : 1;
|
||
unsigned possibly_inlined : 1;
|
||
unsigned novops_flag : 1;
|
||
unsigned returns_twice_flag : 1;
|
||
unsigned malloc_flag : 1;
|
||
unsigned pure_flag : 1;
|
||
|
||
unsigned declared_inline_flag : 1;
|
||
unsigned regdecl_flag : 1;
|
||
unsigned inline_flag : 1;
|
||
unsigned no_instrument_function_entry_exit : 1;
|
||
unsigned no_limit_stack : 1;
|
||
ENUM_BITFIELD(built_in_class) built_in_class : 2;
|
||
|
||
struct function *f;
|
||
};
|
||
|
||
/* 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)
|
||
|
||
/* 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)
|
||
|
||
struct tree_type_decl GTY(())
|
||
{
|
||
struct tree_decl_non_common common;
|
||
|
||
};
|
||
|
||
/* 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;
|
||
};
|
||
|
||
#define VALUE_HANDLE_ID(NODE) \
|
||
(VALUE_HANDLE_CHECK (NODE)->value_handle.id)
|
||
|
||
#define VALUE_HANDLE_EXPR_SET(NODE) \
|
||
(VALUE_HANDLE_CHECK (NODE)->value_handle.expr_set)
|
||
|
||
#define VALUE_HANDLE_VUSES(NODE) \
|
||
(VALUE_HANDLE_CHECK (NODE)->value_handle.vuses)
|
||
|
||
/* Defined and used in tree-ssa-pre.c. */
|
||
struct value_set;
|
||
|
||
struct tree_value_handle GTY(())
|
||
{
|
||
struct tree_common common;
|
||
|
||
/* The set of expressions represented by this handle. */
|
||
struct value_set * GTY ((skip)) expr_set;
|
||
|
||
/* Unique ID for this value handle. IDs are handed out in a
|
||
conveniently dense form starting at 0, so that we can make
|
||
bitmaps of value handles. */
|
||
unsigned int id;
|
||
|
||
/* Set of virtual uses represented by this handle. */
|
||
VEC (tree, gc) *vuses;
|
||
};
|
||
|
||
/* 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 GTY ((ptr_alias (union lang_tree_node),
|
||
desc ("tree_node_structure (&%h)")))
|
||
{
|
||
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_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_phi_node GTY ((tag ("TS_PHI_NODE"))) phi;
|
||
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_value_handle GTY ((tag ("TS_VALUE_HANDLE"))) value_handle;
|
||
struct tree_constructor GTY ((tag ("TS_CONSTRUCTOR"))) constructor;
|
||
struct tree_memory_tag GTY ((tag ("TS_MEMORY_TAG"))) mtag;
|
||
struct tree_struct_field_tag GTY ((tag ("TS_STRUCT_FIELD_TAG"))) sft;
|
||
struct tree_omp_clause GTY ((tag ("TS_OMP_CLAUSE"))) omp_clause;
|
||
};
|
||
|
||
/* Standard named or nameless data types of the C compiler. */
|
||
|
||
enum tree_index
|
||
{
|
||
TI_ERROR_MARK,
|
||
TI_INTQI_TYPE,
|
||
TI_INTHI_TYPE,
|
||
TI_INTSI_TYPE,
|
||
TI_INTDI_TYPE,
|
||
TI_INTTI_TYPE,
|
||
|
||
TI_UINTQI_TYPE,
|
||
TI_UINTHI_TYPE,
|
||
TI_UINTSI_TYPE,
|
||
TI_UINTDI_TYPE,
|
||
TI_UINTTI_TYPE,
|
||
|
||
TI_INTEGER_ZERO,
|
||
TI_INTEGER_ONE,
|
||
TI_INTEGER_MINUS_ONE,
|
||
TI_NULL_POINTER,
|
||
|
||
TI_SIZE_ZERO,
|
||
TI_SIZE_ONE,
|
||
|
||
TI_BITSIZE_ZERO,
|
||
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_COMPLEX_LONG_DOUBLE_TYPE,
|
||
|
||
TI_FLOAT_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_MAIN_IDENTIFIER,
|
||
|
||
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 intDI_type_node global_trees[TI_INTDI_TYPE]
|
||
#define intTI_type_node global_trees[TI_INTTI_TYPE]
|
||
|
||
#define unsigned_intQI_type_node global_trees[TI_UINTQI_TYPE]
|
||
#define unsigned_intHI_type_node global_trees[TI_UINTHI_TYPE]
|
||
#define unsigned_intSI_type_node global_trees[TI_UINTSI_TYPE]
|
||
#define unsigned_intDI_type_node global_trees[TI_UINTDI_TYPE]
|
||
#define unsigned_intTI_type_node global_trees[TI_UINTTI_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 size_zero_node global_trees[TI_SIZE_ZERO]
|
||
#define size_one_node global_trees[TI_SIZE_ONE]
|
||
#define bitsize_zero_node global_trees[TI_BITSIZE_ZERO]
|
||
#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 complex_long_double_type_node global_trees[TI_COMPLEX_LONG_DOUBLE_TYPE]
|
||
|
||
#define void_type_node global_trees[TI_VOID_TYPE]
|
||
/* The C type `void *'. */
|
||
#define ptr_type_node global_trees[TI_PTR_TYPE]
|
||
/* The C type `const void *'. */
|
||
#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 node that should be placed at the end of a parameter list to
|
||
indicate that the function does not take a variable number of
|
||
arguments. The TREE_VALUE will be void_type_node and there will be
|
||
no TREE_CHAIN. Language-independent code should not assume
|
||
anything else about this node. */
|
||
#define void_list_node global_trees[TI_VOID_LIST_NODE]
|
||
|
||
#define main_identifier_node global_trees[TI_MAIN_IDENTIFIER]
|
||
#define MAIN_NAME_P(NODE) (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
|
||
|
||
/* An enumeration of the standard C integer types. These must be
|
||
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,
|
||
itk_unsigned_char,
|
||
itk_short,
|
||
itk_unsigned_short,
|
||
itk_int,
|
||
itk_unsigned_int,
|
||
itk_long,
|
||
itk_unsigned_long,
|
||
itk_long_long,
|
||
itk_unsigned_long_long,
|
||
itk_none
|
||
};
|
||
|
||
typedef enum integer_type_kind integer_type_kind;
|
||
|
||
/* The standard C integer types. Use integer_type_kind to index into
|
||
this array. */
|
||
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 unsigned_char_type_node integer_types[itk_unsigned_char]
|
||
#define short_integer_type_node integer_types[itk_short]
|
||
#define short_unsigned_type_node integer_types[itk_unsigned_short]
|
||
#define integer_type_node integer_types[itk_int]
|
||
#define unsigned_type_node integer_types[itk_unsigned_int]
|
||
#define long_integer_type_node integer_types[itk_long]
|
||
#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]
|
||
|
||
/* Set to the default thread-local storage (tls) model to use. */
|
||
|
||
extern enum tls_model flag_tls_default;
|
||
|
||
|
||
/* A pointer-to-function member type looks like:
|
||
|
||
struct {
|
||
__P __pfn;
|
||
ptrdiff_t __delta;
|
||
};
|
||
|
||
If __pfn is NULL, it is a NULL pointer-to-member-function.
|
||
|
||
(Because the vtable is always the first thing in the object, we
|
||
don't need its offset.) If the function is virtual, then PFN is
|
||
one plus twice the index into the vtable; otherwise, it is just a
|
||
pointer to the function.
|
||
|
||
Unfortunately, using the lowest bit of PFN doesn't work in
|
||
architectures that don't impose alignment requirements on function
|
||
addresses, or that use the lowest bit to tell one ISA from another,
|
||
for example. For such architectures, we use the lowest bit of
|
||
DELTA instead of the lowest bit of the PFN, and DELTA will be
|
||
multiplied by 2. */
|
||
|
||
enum ptrmemfunc_vbit_where_t
|
||
{
|
||
ptrmemfunc_vbit_in_pfn,
|
||
ptrmemfunc_vbit_in_delta
|
||
};
|
||
|
||
#define NULL_TREE (tree) NULL
|
||
|
||
extern tree decl_assembler_name (tree);
|
||
|
||
/* 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 (tree);
|
||
|
||
/* Compute the number of bytes occupied by a tree with code CODE. This
|
||
function cannot be used for TREE_VEC or PHI_NODE 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_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. */
|
||
|
||
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 (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_stat (int MEM_STAT_DECL);
|
||
#define make_tree_vec(t) make_tree_vec_stat (t MEM_STAT_INFO)
|
||
|
||
/* Tree nodes for SSA analysis. */
|
||
|
||
extern void init_phinodes (void);
|
||
extern void fini_phinodes (void);
|
||
extern void release_phi_node (tree);
|
||
#ifdef GATHER_STATISTICS
|
||
extern void phinodes_print_statistics (void);
|
||
#endif
|
||
|
||
extern void init_ssanames (void);
|
||
extern void fini_ssanames (void);
|
||
extern tree make_ssa_name (tree, tree);
|
||
extern tree duplicate_ssa_name (tree, tree);
|
||
extern void duplicate_ssa_name_ptr_info (tree, struct ptr_info_def *);
|
||
extern void release_ssa_name (tree);
|
||
extern void release_defs (tree);
|
||
extern void replace_ssa_name_symbol (tree, tree);
|
||
|
||
#ifdef GATHER_STATISTICS
|
||
extern void ssanames_print_statistics (void);
|
||
#endif
|
||
|
||
/* Return the (unique) IDENTIFIER_NODE node for a given name.
|
||
The name is supplied as a 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 (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 (const char *);
|
||
|
||
/* Construct various types of nodes. */
|
||
|
||
extern tree build_nt (enum tree_code, ...);
|
||
|
||
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_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, 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);
|
||
#ifndef USE_MAPPED_LOCATION
|
||
extern void annotate_with_file_line (tree, const char *, int);
|
||
extern void annotate_with_locus (tree, location_t);
|
||
#endif
|
||
extern tree build_empty_stmt (void);
|
||
extern tree build_omp_clause (enum omp_clause_code);
|
||
|
||
/* Construct various nodes representing data types. */
|
||
|
||
extern tree make_signed_type (int);
|
||
extern tree make_unsigned_type (int);
|
||
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_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 (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 (tree, tree);
|
||
|
||
extern int attribute_list_equal (tree, tree);
|
||
extern int attribute_list_contained (tree, tree);
|
||
extern int tree_int_cst_equal (tree, tree);
|
||
extern int tree_int_cst_lt (tree, tree);
|
||
extern int tree_int_cst_compare (tree, tree);
|
||
extern int host_integerp (tree, int);
|
||
extern HOST_WIDE_INT tree_low_cst (tree, int);
|
||
extern int tree_int_cst_msb (tree);
|
||
extern int tree_int_cst_sgn (tree);
|
||
extern int tree_int_cst_sign_bit (tree);
|
||
extern int tree_expr_nonnegative_p (tree);
|
||
extern int tree_expr_nonnegative_warnv_p (tree, bool *);
|
||
extern bool may_negate_without_overflow_p (tree);
|
||
extern tree get_inner_array_type (tree);
|
||
|
||
/* 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 (tree, rtx);
|
||
|
||
/* 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 (tree, tree);
|
||
extern tree build_decl_attribute_variant (tree, tree);
|
||
|
||
/* Structure describing an attribute and a function to handle it. */
|
||
struct attribute_spec
|
||
{
|
||
/* The name of the attribute (without any leading or trailing __),
|
||
or NULL to mark the end of a table of attributes. */
|
||
const char *const name;
|
||
/* The minimum length of the list of arguments of the attribute. */
|
||
const int min_length;
|
||
/* The maximum length of the list of arguments of the attribute
|
||
(-1 for no maximum). */
|
||
const int max_length;
|
||
/* Whether this attribute requires a DECL. If it does, it will be passed
|
||
from types of DECLs, function return types and array element types to
|
||
the DECLs, function types and array types respectively; but when
|
||
applied to a type in any other circumstances, it will be ignored with
|
||
a warning. (If greater control is desired for a given attribute,
|
||
this should be false, and the flags argument to the handler may be
|
||
used to gain greater control in that case.) */
|
||
const bool decl_required;
|
||
/* Whether this attribute requires a type. If it does, it will be passed
|
||
from a DECL to the type of that DECL. */
|
||
const bool type_required;
|
||
/* Whether this attribute requires a function (or method) type. If it does,
|
||
it will be passed from a function pointer type to the target type,
|
||
and from a function return type (which is not itself a function
|
||
pointer type) to the function type. */
|
||
const bool function_type_required;
|
||
/* Function to handle this attribute. NODE points to the node to which
|
||
the attribute is to be applied. If a DECL, it should be modified in
|
||
place; if a TYPE, a copy should be created. NAME is the name of the
|
||
attribute (possibly with leading or trailing __). ARGS is the TREE_LIST
|
||
of the arguments (which may be NULL). FLAGS gives further information
|
||
about the context of the attribute. Afterwards, the attributes will
|
||
be added to the DECL_ATTRIBUTES or TYPE_ATTRIBUTES, as appropriate,
|
||
unless *NO_ADD_ATTRS is set to true (which should be done on error,
|
||
as well as in any other cases when the attributes should not be added
|
||
to the DECL or TYPE). Depending on FLAGS, any attributes to be
|
||
applied to another type or DECL later may be returned;
|
||
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) (tree *node, tree name, tree args,
|
||
int flags, bool *no_add_attrs);
|
||
};
|
||
|
||
/* Flags that may be passed in the third argument of decl_attributes, and
|
||
to handler functions for attributes. */
|
||
enum attribute_flags
|
||
{
|
||
/* The type passed in is the type of a DECL, and any attributes that
|
||
should be passed in again to be applied to the DECL rather than the
|
||
type should be returned. */
|
||
ATTR_FLAG_DECL_NEXT = 1,
|
||
/* The type passed in is a function return type, and any attributes that
|
||
should be passed in again to be applied to the function type rather
|
||
than the return type should be returned. */
|
||
ATTR_FLAG_FUNCTION_NEXT = 2,
|
||
/* The type passed in is an array element type, and any attributes that
|
||
should be passed in again to be applied to the array type rather
|
||
than the element type should be returned. */
|
||
ATTR_FLAG_ARRAY_NEXT = 4,
|
||
/* The type passed in is a structure, union or enumeration type being
|
||
created, and should be modified in place. */
|
||
ATTR_FLAG_TYPE_IN_PLACE = 8,
|
||
/* The attributes are being applied by default to a library function whose
|
||
name indicates known behavior, and should be silently ignored if they
|
||
are not in fact compatible with the function type. */
|
||
ATTR_FLAG_BUILT_IN = 16
|
||
};
|
||
|
||
/* Default versions of target-overridable functions. */
|
||
|
||
extern tree merge_decl_attributes (tree, tree);
|
||
extern tree merge_type_attributes (tree, tree);
|
||
|
||
/* 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 (const char *, 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 (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 (tree, tree);
|
||
|
||
#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 (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 (tree, 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 (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 (tree, int);
|
||
|
||
/* Like build_qualified_type, but only deals with the `const' and
|
||
`volatile' qualifiers. This interface is retained for backwards
|
||
compatibility with the various front-ends; new code should use
|
||
build_qualified_type instead. */
|
||
|
||
#define build_type_variant(TYPE, CONST_P, VOLATILE_P) \
|
||
build_qualified_type ((TYPE), \
|
||
((CONST_P) ? TYPE_QUAL_CONST : 0) \
|
||
| ((VOLATILE_P) ? TYPE_QUAL_VOLATILE : 0))
|
||
|
||
/* Make a copy of a type node. */
|
||
|
||
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 (tree);
|
||
|
||
/* These functions allow a front-end to perform a manual layout of a
|
||
RECORD_TYPE. (For instance, if the placement of subsequent fields
|
||
depends on the placement of fields so far.) Begin by calling
|
||
start_record_layout. Then, call place_field for each of the
|
||
fields. Then, call finish_record_layout. See layout_type for the
|
||
default way in which these functions are used. */
|
||
|
||
typedef struct record_layout_info_s
|
||
{
|
||
/* The RECORD_TYPE that we are laying out. */
|
||
tree t;
|
||
/* The offset into the record so far, in bytes, not including bits in
|
||
BITPOS. */
|
||
tree offset;
|
||
/* The last known alignment of SIZE. */
|
||
unsigned int offset_align;
|
||
/* The bit position within the last OFFSET_ALIGN bits, in bits. */
|
||
tree bitpos;
|
||
/* The alignment of the record so far, in bits. */
|
||
unsigned int record_align;
|
||
/* The alignment of the record so far, ignoring #pragma pack and
|
||
__attribute__ ((packed)), in bits. */
|
||
unsigned int unpacked_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 (void (*) (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 (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
|
||
fields. Call this only once for any given decl node.
|
||
|
||
Second argument is the boundary that this field can be assumed to
|
||
be starting at (in bits). Zero means it can be assumed aligned
|
||
on any boundary that may be needed. */
|
||
|
||
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 (tree, enum mode_class, int);
|
||
|
||
/* Return an expr equal to X but certainly not valid as an lvalue. */
|
||
|
||
extern tree non_lvalue (tree);
|
||
|
||
extern tree convert (tree, tree);
|
||
extern unsigned int expr_align (tree);
|
||
extern tree expr_first (tree);
|
||
extern tree expr_last (tree);
|
||
extern tree expr_only (tree);
|
||
extern tree size_in_bytes (tree);
|
||
extern HOST_WIDE_INT int_size_in_bytes (tree);
|
||
extern HOST_WIDE_INT max_int_size_in_bytes (tree);
|
||
extern tree bit_position (tree);
|
||
extern HOST_WIDE_INT int_bit_position (tree);
|
||
extern tree byte_position (tree);
|
||
extern HOST_WIDE_INT int_byte_position (tree);
|
||
|
||
/* Define data structures, macros, and functions for handling sizes
|
||
and the various types used to represent sizes. */
|
||
|
||
enum size_type_kind
|
||
{
|
||
SIZETYPE, /* Normal representation of sizes in bytes. */
|
||
SSIZETYPE, /* Signed representation of sizes in bytes. */
|
||
BITSIZETYPE, /* Normal representation of sizes in bits. */
|
||
SBITSIZETYPE, /* Signed representation of sizes in bits. */
|
||
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 sbitsizetype sizetype_tab[(int) SBITSIZETYPE]
|
||
|
||
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. */
|
||
|
||
#define BITS_PER_UNIT_LOG \
|
||
((BITS_PER_UNIT > 1) + (BITS_PER_UNIT > 2) + (BITS_PER_UNIT > 4) \
|
||
+ (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, */
|
||
extern unsigned int maximum_field_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 (tree, tree);
|
||
|
||
/* Make a new TREE_LIST node from specified PURPOSE, VALUE and CHAIN. */
|
||
|
||
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 (tree);
|
||
|
||
/* Reverse the order of elements in a chain, and return the new head. */
|
||
|
||
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 (tree);
|
||
|
||
/* Returns the number of FIELD_DECLs in a type. */
|
||
|
||
extern int fields_length (tree);
|
||
|
||
/* Given an initializer INIT, return TRUE if INIT is zero or some
|
||
aggregate of zeros. Otherwise return FALSE. */
|
||
|
||
extern bool initializer_zerop (tree);
|
||
|
||
/* 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.
|
||
|
||
Return whether or not CTOR is a valid static constant initializer, the same
|
||
as "initializer_constant_valid_p (CTOR, TREE_TYPE (CTOR)) != 0". */
|
||
|
||
extern bool categorize_ctor_elements (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
|
||
bool *);
|
||
|
||
extern HOST_WIDE_INT count_type_elements (tree, bool);
|
||
|
||
/* integer_zerop (tree x) is nonzero if X is an integer constant of value 0. */
|
||
|
||
extern int integer_zerop (tree);
|
||
|
||
/* integer_onep (tree x) is nonzero if X is an integer constant of value 1. */
|
||
|
||
extern int integer_onep (tree);
|
||
|
||
/* 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 (tree);
|
||
|
||
/* integer_pow2p (tree x) is nonzero is X is an integer constant with
|
||
exactly one bit 1. */
|
||
|
||
extern int integer_pow2p (tree);
|
||
|
||
/* integer_nonzerop (tree x) is nonzero if X is an integer constant
|
||
with a nonzero value. */
|
||
|
||
extern int integer_nonzerop (tree);
|
||
|
||
extern bool zero_p (tree);
|
||
extern bool cst_and_fits_in_hwi (tree);
|
||
extern tree num_ending_zeros (tree);
|
||
|
||
/* staticp (tree x) is nonzero if X is a reference to data allocated
|
||
at a fixed address in memory. Returns the outermost data. */
|
||
|
||
extern tree staticp (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. */
|
||
|
||
extern tree save_expr (tree);
|
||
|
||
/* Look inside EXPR and into any simple arithmetic operations. Return
|
||
the innermost non-arithmetic node. */
|
||
|
||
extern tree skip_simple_arithmetic (tree);
|
||
|
||
/* Return which tree structure is used by T. */
|
||
|
||
enum tree_node_structure_enum tree_node_structure (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 bool contains_placeholder_p (tree);
|
||
|
||
/* This macro calls the above function but short-circuits the common
|
||
case of a constant to save time. Also check for null. */
|
||
|
||
#define CONTAINS_PLACEHOLDER_P(EXP) \
|
||
((EXP) != 0 && ! TREE_CONSTANT (EXP) && contains_placeholder_p (EXP))
|
||
|
||
/* 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 (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
|
||
variable size for a data type. It makes special arrangements
|
||
to compute the value at the right time when the data type
|
||
belongs to a function parameter. */
|
||
|
||
extern tree variable_size (tree);
|
||
|
||
/* 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 (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 (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 (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 (tree, int *);
|
||
|
||
/* 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. */
|
||
|
||
extern tree get_inner_reference (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
|
||
tree *, enum machine_mode *, int *, int *,
|
||
bool);
|
||
|
||
/* Return 1 if T is an expression that get_inner_reference handles. */
|
||
|
||
extern int handled_component_p (tree);
|
||
|
||
/* Return a tree of sizetype representing the size, in bytes, of the element
|
||
of EXP, an ARRAY_REF. */
|
||
|
||
extern tree array_ref_element_size (tree);
|
||
|
||
/* Return a tree representing the lower bound of the array mentioned in
|
||
EXP, an ARRAY_REF. */
|
||
|
||
extern tree array_ref_low_bound (tree);
|
||
|
||
/* Return a tree representing the upper bound of the array mentioned in
|
||
EXP, an ARRAY_REF. */
|
||
|
||
extern tree array_ref_up_bound (tree);
|
||
|
||
/* 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 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 (tree);
|
||
|
||
/* Return the FUNCTION_DECL which provides this _DECL with its context,
|
||
or zero if none. */
|
||
extern tree decl_function_context (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 (tree);
|
||
|
||
/* Return 1 if EXPR is the real constant zero. */
|
||
extern int real_zerop (tree);
|
||
|
||
/* Declare commonly used variables for tree structure. */
|
||
|
||
/* Nonzero means lvalues are limited to those valid in pedantic ANSI C.
|
||
Zero means allow extended lvalues. */
|
||
|
||
extern int pedantic_lvalues;
|
||
|
||
/* Points to the FUNCTION_DECL of the function whose body we are reading. */
|
||
|
||
extern GTY(()) tree current_function_decl;
|
||
|
||
/* Nonzero means a FUNC_BEGIN label was emitted. */
|
||
extern GTY(()) const char * current_function_func_begin_label;
|
||
|
||
/* In tree.c */
|
||
extern unsigned crc32_string (unsigned, const char *);
|
||
extern void clean_symbol_name (char *);
|
||
extern tree get_file_function_name_long (const char *);
|
||
extern tree get_callee_fndecl (tree);
|
||
extern void change_decl_assembler_name (tree, tree);
|
||
extern int type_num_arguments (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 (tree, tree);
|
||
extern bool empty_body_p (tree);
|
||
|
||
/* In stmt.c */
|
||
|
||
extern void expand_expr_stmt (tree);
|
||
extern int warn_if_unused_value (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);
|
||
extern int is_body_block (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;
|
||
|
||
/* 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 (tree);
|
||
extern tree fold_unary (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_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, tree, int);
|
||
extern void fold_undefer_and_ignore_overflow_warnings (void);
|
||
extern bool fold_deferring_overflow_warnings_p (void);
|
||
|
||
extern tree force_fit_type (tree, int, bool, bool);
|
||
|
||
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 (tree, tree, unsigned int);
|
||
|
||
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, tree, 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 (tree, tree, bool);
|
||
extern void swap_tree_operands (tree, tree *, tree *);
|
||
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_expr_nonzero_warnv_p (tree, bool *);
|
||
|
||
/* In builtins.c */
|
||
extern tree fold_builtin (tree, tree, bool);
|
||
extern tree fold_builtin_fputs (tree, bool, bool, tree);
|
||
extern tree fold_builtin_strcpy (tree, tree, tree);
|
||
extern tree fold_builtin_strncpy (tree, tree, tree);
|
||
extern tree fold_builtin_memory_chk (tree, tree, tree, bool,
|
||
enum built_in_function);
|
||
extern tree fold_builtin_stxcpy_chk (tree, tree, tree, bool,
|
||
enum built_in_function);
|
||
extern tree fold_builtin_strncpy_chk (tree, tree);
|
||
extern tree fold_builtin_snprintf_chk (tree, tree, enum built_in_function);
|
||
extern bool fold_builtin_next_arg (tree);
|
||
extern enum built_in_function builtin_mathfn_code (tree);
|
||
extern tree build_function_call_expr (tree, tree);
|
||
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, tree *, tree *);
|
||
extern tree build_va_arg_indirect_ref (tree);
|
||
tree build_string_literal (int, const char *);
|
||
|
||
/* In convert.c */
|
||
extern tree strip_float_extensions (tree);
|
||
|
||
/* In alias.c */
|
||
extern void record_component_aliases (tree);
|
||
extern HOST_WIDE_INT get_alias_set (tree);
|
||
extern int alias_sets_conflict_p (HOST_WIDE_INT, HOST_WIDE_INT);
|
||
extern int alias_sets_might_conflict_p (HOST_WIDE_INT, HOST_WIDE_INT);
|
||
extern int objects_must_conflict_p (tree, tree);
|
||
|
||
/* In tree.c */
|
||
extern int really_constant_p (tree);
|
||
extern int int_fits_type_p (tree, tree);
|
||
extern bool variably_modified_type_p (tree, tree);
|
||
extern int tree_log2 (tree);
|
||
extern int tree_floor_log2 (tree);
|
||
extern int simple_cst_equal (tree, tree);
|
||
extern hashval_t iterative_hash_expr (tree, hashval_t);
|
||
extern int compare_tree_int (tree, unsigned HOST_WIDE_INT);
|
||
extern int type_list_equal (tree, tree);
|
||
extern int chain_member (tree, tree);
|
||
extern tree type_hash_lookup (unsigned int, tree);
|
||
extern void type_hash_add (unsigned int, tree);
|
||
extern int simple_cst_list_equal (tree, 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 is_global_var (tree t);
|
||
extern bool needs_to_live_in_memory (tree);
|
||
extern tree reconstruct_complex_type (tree, tree);
|
||
|
||
extern int real_onep (tree);
|
||
extern int real_twop (tree);
|
||
extern int real_minus_onep (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 (tree);
|
||
extern tree tree_fold_gcd (tree, tree);
|
||
extern tree build_addr (tree, tree);
|
||
|
||
extern bool fields_compatible_p (tree, tree);
|
||
extern tree find_compatible_field (tree, tree);
|
||
|
||
/* In function.c */
|
||
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);
|
||
extern void init_function_start (tree);
|
||
extern bool use_register_for_decl (tree);
|
||
extern void setjmp_vars_warning (tree);
|
||
extern void setjmp_args_warning (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 (tree, tree);
|
||
extern void push_function_context (void);
|
||
extern void pop_function_context (void);
|
||
extern void push_function_context_to (tree);
|
||
extern void pop_function_context_from (tree);
|
||
extern tree gimplify_parameters (void);
|
||
|
||
/* In print-rtl.c */
|
||
#ifdef BUFSIZ
|
||
extern void print_rtl (FILE *, rtx);
|
||
#endif
|
||
|
||
/* In print-tree.c */
|
||
extern void debug_tree (tree);
|
||
#ifdef BUFSIZ
|
||
extern void dump_addr (FILE*, const char *, void *);
|
||
extern void print_node (FILE *, const char *, tree, int);
|
||
extern void print_node_brief (FILE *, const char *, tree, int);
|
||
extern void indent_to (FILE *, int);
|
||
#endif
|
||
|
||
/* 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 emit-rtl.c */
|
||
extern rtx emit_line_note (location_t);
|
||
|
||
/* In calls.c */
|
||
|
||
/* 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. */
|
||
#define ECF_CONST 1
|
||
/* Nonzero if this call will never return. */
|
||
#define ECF_NORETURN 2
|
||
/* Nonzero if this is a call to malloc or a related function. */
|
||
#define ECF_MALLOC 4
|
||
/* Nonzero if it is plausible that this is a call to alloca. */
|
||
#define ECF_MAY_BE_ALLOCA 8
|
||
/* Nonzero if this is a call to a function that won't throw an exception. */
|
||
#define ECF_NOTHROW 16
|
||
/* Nonzero if this is a call to setjmp or a related function. */
|
||
#define ECF_RETURNS_TWICE 32
|
||
/* Nonzero if this call replaces the current stack frame. */
|
||
#define ECF_SIBCALL 64
|
||
/* Nonzero if this is a call to "pure" function (like const function,
|
||
but may read memory. */
|
||
#define ECF_PURE 128
|
||
/* Nonzero if this is a call to a function that returns with the stack
|
||
pointer depressed. */
|
||
#define ECF_SP_DEPRESSED 256
|
||
/* Create libcall block around the call. */
|
||
#define ECF_LIBCALL_BLOCK 512
|
||
/* Function does not read or write memory (but may have side effects, so
|
||
it does not necessarily fit ECF_CONST). */
|
||
#define ECF_NOVOPS 1024
|
||
|
||
extern int flags_from_decl_or_type (tree);
|
||
extern int call_expr_flags (tree);
|
||
|
||
extern int setjmp_call_p (tree);
|
||
extern bool alloca_call_p (tree);
|
||
extern bool must_pass_in_stack_var_size (enum machine_mode, tree);
|
||
extern bool must_pass_in_stack_var_size_or_pad (enum machine_mode, tree);
|
||
|
||
/* In attribs.c. */
|
||
|
||
/* 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
|
||
unless ATTR_FLAG_TYPE_IN_PLACE is set in FLAGS. FLAGS gives further
|
||
information, in the form of a bitwise OR of flags in enum attribute_flags
|
||
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 (tree *, tree, int);
|
||
|
||
/* In integrate.c */
|
||
extern void set_decl_abstract_flags (tree, int);
|
||
extern void set_decl_origin_self (tree);
|
||
|
||
/* In stor-layout.c */
|
||
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 (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);
|
||
|
||
/* In stmt.c */
|
||
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);
|
||
extern void expand_anon_union_decl (tree, tree, 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
|
||
|
||
/* In gimplify.c. */
|
||
extern tree create_artificial_label (void);
|
||
extern void gimplify_function_tree (tree);
|
||
extern const char *get_name (tree);
|
||
extern tree unshare_expr (tree);
|
||
extern void sort_case_labels (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 (int);
|
||
|
||
/* Interface of the DWARF2 unwind info support. */
|
||
|
||
/* Generate a new label for the CFI info to refer to. */
|
||
|
||
extern char *dwarf2out_cfi_label (void);
|
||
|
||
/* Entry point to update the canonical frame address (CFA). */
|
||
|
||
extern void dwarf2out_def_cfa (const char *, unsigned, HOST_WIDE_INT);
|
||
|
||
/* Add the CFI for saving a register window. */
|
||
|
||
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 (const char *, HOST_WIDE_INT);
|
||
|
||
/* Entry point for saving a register to the stack. */
|
||
|
||
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 (const char *, HOST_WIDE_INT);
|
||
|
||
/* Entry point for saving the return address in a register. */
|
||
|
||
extern void dwarf2out_return_reg (const char *, unsigned);
|
||
|
||
/* Entry point for saving the first register into the second. */
|
||
|
||
extern void dwarf2out_reg_save_reg (const char *, rtx, rtx);
|
||
|
||
/* In tree-inline.c */
|
||
|
||
/* 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 *);
|
||
extern tree walk_tree (tree*, walk_tree_fn, void*, struct pointer_set_t*);
|
||
extern tree walk_tree_without_duplicates (tree*, walk_tree_fn, void*);
|
||
|
||
/* Assign the RTX to declaration. */
|
||
|
||
extern void set_decl_rtl (tree, rtx);
|
||
extern void set_decl_incoming_rtl (tree, rtx);
|
||
|
||
/* Enum and arrays used for tree allocation stats.
|
||
Keep in sync with tree.c:tree_node_kind_names. */
|
||
typedef enum
|
||
{
|
||
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,
|
||
phi_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 *);
|
||
|
||
struct tree_map GTY(())
|
||
{
|
||
unsigned int hash;
|
||
tree from;
|
||
tree to;
|
||
};
|
||
|
||
extern unsigned int tree_map_hash (const void *);
|
||
extern int tree_map_marked_p (const void *);
|
||
extern int tree_map_eq (const void *, const void *);
|
||
|
||
/* 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 (tree);
|
||
extern bool ssa_name_nonnegative_p (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 (tree);
|
||
|
||
#endif /* GCC_TREE_H */
|