/* Front-end tree definitions for GNU compiler.
Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
This file is part of GCC.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 59 Temple Place - Suite 330, Boston, MA
-02111-1307, USA. */
+Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301, USA. */
#ifndef GCC_TREE_H
#define GCC_TREE_H
#undef DEFTREECODE
+extern unsigned char tree_contains_struct[256][64];
+#define CODE_CONTAINS_STRUCT(CODE, STRUCT) (tree_contains_struct[(CODE)][(STRUCT)])
+
/* Number of language-independent tree codes. */
#define NUM_TREE_CODES ((int) LAST_AND_UNUSED_TREE_CODE)
#define DECL_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_declaration)
+/* Nonzero if DECL represents a VAR_DECL or FUNCTION_DECL. */
+
+#define VAR_OR_FUNCTION_DECL_P(DECL)\
+ (TREE_CODE (DECL) == VAR_DECL || TREE_CODE (DECL) == FUNCTION_DECL)
+
/* Nonzero if CODE represents a INDIRECT_REF. Keep these checks in
ascending code order. */
+
#define INDIRECT_REF_P(CODE)\
(TREE_CODE (CODE) == INDIRECT_REF \
|| TREE_CODE (CODE) == ALIGN_INDIRECT_REF \
#define EXPRESSION_CLASS_P(CODE)\
(TREE_CODE_CLASS (TREE_CODE (CODE)) == tcc_expression)
-/* Returns nonzero iff CLASS is not the tree code of a type. */
-
-#define IS_NON_TYPE_CODE_CLASS(CLASS) ((CLASS) != tcc_type)
-
/* Returns nonzero iff CODE represents a type or declaration. */
#define IS_TYPE_OR_DECL_P(CODE)\
expression. */
#define IS_EXPR_CODE_CLASS(CLASS)\
- (((CLASS) - tcc_reference) <= (tcc_expression - tcc_reference))
+ ((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
/* Returns nonzero iff NODE is an expression of some kind. */
extern const char *const tree_code_name[];
-/* A garbage collected vector of trees. */
-DEF_VEC_GC_P(tree);
+/* A vectors of trees. */
+DEF_VEC_P(tree);
+DEF_VEC_ALLOC_P(tree,gc);
+DEF_VEC_ALLOC_P(tree,heap);
\f
/* Classify which part of the compiler has defined a given builtin function.
/* Codes that identify the various built in functions
so that expand_call can identify them quickly. */
-#define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT, IM) ENUM,
+#define DEF_BUILTIN(ENUM, N, C, T, LT, B, F, NA, AT, IM, COND) ENUM,
enum built_in_function
{
#include "builtins.def"
+ /* Complex division routines in libgcc. These are done via builtins
+ because emit_library_call_value can't handle complex values. */
+ BUILT_IN_COMPLEX_MUL_MIN,
+ BUILT_IN_COMPLEX_MUL_MAX
+ = BUILT_IN_COMPLEX_MUL_MIN
+ + MAX_MODE_COMPLEX_FLOAT
+ - MIN_MODE_COMPLEX_FLOAT,
+
+ BUILT_IN_COMPLEX_DIV_MIN,
+ BUILT_IN_COMPLEX_DIV_MAX
+ = BUILT_IN_COMPLEX_DIV_MIN
+ + MAX_MODE_COMPLEX_FLOAT
+ - MIN_MODE_COMPLEX_FLOAT,
+
/* Upper bound on non-language-specific builtins. */
END_BUILTINS
};
#undef DEF_BUILTIN
/* Names for the above. */
-extern const char *const built_in_names[(int) END_BUILTINS];
+extern const char * built_in_names[(int) END_BUILTINS];
/* Helper macros for math builtins. */
TREE_PRIVATE in
..._DECL
- CALL_EXPR_HAS_RETURN_SLOT_ADDR in
+ CALL_EXPR_RETURN_SLOT_OPT in
CALL_EXPR
DECL_BY_REFERENCE in
PARM_DECL, RESULT_DECL
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). */
#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 abort with a fatal error. */
+ is accessed incorrectly. The macros die with a fatal error. */
#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
#define TREE_CHECK(T, CODE) __extension__ \
(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)) \
/* These checks have to be special cased. */
#define NON_TYPE_CHECK(T) __extension__ \
({ const tree __t = (T); \
- char const __c = TREE_CODE_CLASS (TREE_CODE (__t)); \
- if (!IS_NON_TYPE_CODE_CLASS (__c)) \
+ if (TYPE_P (__t)) \
tree_class_check_failed (__t, tcc_type, __FILE__, __LINE__, \
__FUNCTION__); \
__t; })
__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 *,
#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)
#include "tree-check.h"
#define TYPE_CHECK(T) TREE_CLASS_CHECK (T, tcc_type)
-#define DECL_CHECK(T) TREE_CLASS_CHECK (T, tcc_declaration)
+#define DECL_MINIMAL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_MINIMAL)
+#define DECL_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_COMMON)
+#define DECL_WRTL_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WRTL)
+#define DECL_WITH_VIS_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_WITH_VIS)
+#define DECL_NON_COMMON_CHECK(T) CONTAINS_STRUCT_CHECK (T, TS_DECL_NON_COMMON)
#define CST_CHECK(T) TREE_CLASS_CHECK (T, tcc_constant)
#define STMT_CHECK(T) TREE_CLASS_CHECK (T, tcc_statement)
#define FUNC_OR_METHOD_CHECK(T) TREE_CHECK2 (T, FUNCTION_TYPE, METHOD_TYPE)
== TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
(EXP) = TREE_OPERAND (EXP, 0)
-/* Like STRIP_NOPS, but don't alter the TREE_TYPE main variant either. */
-
-#define STRIP_MAIN_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 \
- && (TYPE_MAIN_VARIANT (TREE_TYPE (EXP)) \
- == TYPE_MAIN_VARIANT (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) \
/* Nonzero if TYPE represents an integral type. Note that we do not
include COMPLEX types here. Keep these checks in ascending code
- order. */
+ order. */
#define INTEGRAL_TYPE_P(TYPE) \
(TREE_CODE (TYPE) == ENUMERAL_TYPE \
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)
/* In a VAR_DECL, nonzero means allocate static storage.
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,
#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_CHECK (NODE)->common.unsigned_flag)
+#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) \
/* 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. */
+ 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 the address of the return slot is part of the
- argument list. */
-#define CALL_EXPR_HAS_RETURN_SLOT_ADDR(NODE) ((NODE)->common.private_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_CHECK (NODE)->common.private_flag)
+#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. */
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>). */
&& VOID_TYPE_P (TREE_TYPE (NODE)) \
&& integer_zerop (TREE_OPERAND (NODE, 0)))
-/* In a CONSTRUCTOR node. */
-#define CONSTRUCTOR_ELTS(NODE) TREE_OPERAND_CHECK_CODE (NODE, CONSTRUCTOR, 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 INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF. */
-#define REF_ORIGINAL(NODE) TREE_CHAIN (TREE_CHECK3 (NODE, \
- INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF))
-
/* In a LOOP_EXPR node. */
#define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 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 ((NODE), 0)
-#define SWITCH_BODY(NODE) TREE_OPERAND ((NODE), 1)
-#define SWITCH_LABELS(NODE) TREE_OPERAND ((NODE), 2)
+#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 ((NODE), 0)
-#define CASE_HIGH(NODE) TREE_OPERAND ((NODE), 1)
-#define CASE_LABEL(NODE) TREE_OPERAND ((NODE), 2)
+#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))
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 ((NODE), 0)
-#define ASM_OUTPUTS(NODE) TREE_OPERAND ((NODE), 1)
-#define ASM_INPUTS(NODE) TREE_OPERAND ((NODE), 2)
-#define ASM_CLOBBERS(NODE) TREE_OPERAND ((NODE), 3)
+#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 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)
+
struct tree_exp GTY(())
{
struct tree_common common;
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;
/* Auxiliary information stored with the ssa name. */
PTR GTY((skip)) aux;
+
+ /* Immediate uses list for this SSA_NAME. */
+ struct ssa_use_operand_d imm_uses;
};
\f
/* 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
the link to the next PHI is in PHI_CHAIN. */
#define PHI_CHAIN(NODE) TREE_CHAIN (PHI_NODE_CHECK (NODE))
-/* Nonzero if the PHI node was rewritten by a previous pass through the
- SSA renamer. */
-#define PHI_REWRITTEN(NODE) PHI_NODE_CHECK (NODE)->phi.rewritten
#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_ARG_NONZERO(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).nonzero
#define PHI_BB(NODE) PHI_NODE_CHECK (NODE)->phi.bb
-#define PHI_DF(NODE) PHI_NODE_CHECK (NODE)->phi.df
-
-struct edge_def;
+#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;
bool nonzero;
};
int num_args;
int capacity;
- /* Nonzero if the PHI node was rewritten by a previous pass through the
- SSA renamer. */
- int rewritten;
-
/* Basic block to that the phi node belongs. */
struct basic_block_def *bb;
- /* Dataflow information. */
- struct dataflow_d *df;
-
+ /* 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];
};
\f
#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;
tree abstract_origin;
tree fragment_origin;
tree fragment_chain;
+ location_t locus;
};
\f
/* Define fields and accessors for nodes representing data types. */
/* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */
#define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \
- (VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.precision)
+ (((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. */
tree vtable;
tree virtuals;
tree vptr_field;
- VEC(tree) *base_accesses;
+ VEC(tree,gc) *base_accesses;
tree inheritance;
tree vtt_subvtt;
tree vtt_vptr;
- VEC(tree) base_binfos;
+ VEC(tree,none) base_binfos;
};
\f
|| TREE_CODE (SSA_NAME_VAR (DECL)) == PARM_DECL \
|| TREE_CODE (SSA_NAME_VAR (DECL)) == RESULT_DECL)))
-/* This is the name of the object as written by the user.
- It is an IDENTIFIER_NODE. */
-#define DECL_NAME(NODE) (DECL_CHECK (NODE)->decl.name)
-
-/* The name of the object as the assembler will see it (but before any
- translations made by ASM_OUTPUT_LABELREF). Often this is the same
- as DECL_NAME. It is an IDENTIFIER_NODE. */
-#define DECL_ASSEMBLER_NAME(NODE) decl_assembler_name (NODE)
-
-/* 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) \
- (DECL_CHECK (NODE)->decl.assembler_name != NULL_TREE)
-/* Set the DECL_ASSEMBLER_NAME for NODE to NAME. */
-#define SET_DECL_ASSEMBLER_NAME(NODE, NAME) \
- (DECL_CHECK (NODE)->decl.assembler_name = (NAME))
-/* 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))
+/* Enumerate visibility settings. */
+#ifndef SYMBOL_VISIBILITY_DEFINED
+#define SYMBOL_VISIBILITY_DEFINED
+enum symbol_visibility
+{
+ VISIBILITY_DEFAULT,
+ VISIBILITY_INTERNAL,
+ VISIBILITY_HIDDEN,
+ VISIBILITY_PROTECTED
+};
+#endif
- which will try to set the DECL_ASSEMBLER_NAME for DECL1. */
+struct function;
-#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_CHECK (NODE)->decl.section_name)
+/* 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)
-/* 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_CHECK (NODE)->decl.context)
-#define DECL_FIELD_CONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.context)
-/* In a DECL this is the field where attributes are stored. */
-#define DECL_ATTRIBUTES(NODE) (DECL_CHECK (NODE)->decl.attributes)
-/* In a FIELD_DECL, this is the field position, counting in bytes, of the
- byte containing the bit closest to the beginning of the structure. */
-#define DECL_FIELD_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.arguments)
-/* In a FIELD_DECL, this is the offset, in bits, of the first bit of the
- field from DECL_FIELD_OFFSET. */
-#define DECL_FIELD_BIT_OFFSET(NODE) (FIELD_DECL_CHECK (NODE)->decl.u2.t)
-/* In a FIELD_DECL, this indicates whether the field was a bit-field and
- if so, the type that was originally specified for it.
- TREE_TYPE may have been modified (in finish_struct). */
-#define DECL_BIT_FIELD_TYPE(NODE) (FIELD_DECL_CHECK (NODE)->decl.result)
-/* In FUNCTION_DECL, a chain of ..._DECL nodes.
- VAR_DECL and PARM_DECL reserve the arguments slot for language-specific
- uses. */
-#define DECL_ARGUMENTS(NODE) (DECL_CHECK (NODE)->decl.arguments)
-/* This field is used to reference anything in decl.result and is meant only
- for use by the garbage collector. */
-#define DECL_RESULT_FLD(NODE) (DECL_CHECK (NODE)->decl.result)
-/* In FUNCTION_DECL, holds the decl for the return value. */
-#define DECL_RESULT(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.result)
-/* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
-#define DECL_ORIGINAL_TYPE(NODE) (TYPE_DECL_CHECK (NODE)->decl.result)
-/* In PARM_DECL, holds the type as written (perhaps a function or array). */
-#define DECL_ARG_TYPE_AS_WRITTEN(NODE) (PARM_DECL_CHECK (NODE)->decl.result)
-/* For a FUNCTION_DECL, holds the tree of BINDINGs.
- For a 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.
+/* Every ..._DECL node gets a unique number. */
+#define DECL_UID(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.uid)
- ??? Need to figure out some way to check this isn't a PARM_DECL. */
-#define DECL_INITIAL(NODE) (DECL_CHECK (NODE)->decl.initial)
-/* For a PARM_DECL, records the data type used to pass the argument,
- which may be different from the type seen in the program. */
-#define DECL_ARG_TYPE(NODE) (PARM_DECL_CHECK (NODE)->decl.initial)
-/* For a FIELD_DECL in a QUAL_UNION_TYPE, records the expression, which
- if nonzero, indicates that the field occupies the type. */
-#define DECL_QUALIFIER(NODE) (FIELD_DECL_CHECK (NODE)->decl.initial)
/* These two fields describe where in the source code the declaration
was. If the declaration appears in several places (as for a C
function that is declared first and then defined later), this
information should refer to the definition. */
-#define DECL_SOURCE_LOCATION(NODE) (DECL_CHECK (NODE)->decl.locus)
+#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
#else
#define DECL_IS_BUILTIN(DECL) (DECL_SOURCE_LINE(DECL) == 0)
#endif
-/* Holds the size of the datum, in bits, as a tree expression.
- Need not be constant. */
-#define DECL_SIZE(NODE) (DECL_CHECK (NODE)->decl.size)
-/* Likewise for the size in bytes. */
-#define DECL_SIZE_UNIT(NODE) (DECL_CHECK (NODE)->decl.size_unit)
-/* Holds the alignment required for the datum, in bits. */
-#define DECL_ALIGN(NODE) (DECL_CHECK (NODE)->decl.u1.a.align)
-/* The alignment of NODE, in bytes. */
-#define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
-/* For FIELD_DECLs, off_align holds the number of low-order bits of
- DECL_FIELD_OFFSET which are known to be always zero.
- DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
- has. */
-#define DECL_OFFSET_ALIGN(NODE) \
- (((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl.u1.a.off_align)
-/* Specify that DECL_ALIGN(NODE) is a multiple of X. */
-#define SET_DECL_OFFSET_ALIGN(NODE, X) \
- (FIELD_DECL_CHECK (NODE)->decl.u1.a.off_align = exact_log2 ((X) & -(X)))
-/* 1 if the alignment for this type was requested by "aligned" attribute,
- 0 if it is the default for this type. */
-#define DECL_USER_ALIGN(NODE) (DECL_CHECK (NODE)->decl.user_align)
-/* Holds the machine mode corresponding to the declaration of a variable or
- field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
- FIELD_DECL. */
-#define DECL_MODE(NODE) (DECL_CHECK (NODE)->decl.mode)
-/* Holds the RTL expression for the value of a variable or function.
- This value can be evaluated lazily for functions, variables with
- static storage duration, and labels. */
-#define DECL_RTL(NODE) \
- (DECL_CHECK (NODE)->decl.rtl \
- ? (NODE)->decl.rtl \
- : (make_decl_rtl (NODE), (NODE)->decl.rtl))
-/* Set the DECL_RTL for NODE to RTL. */
-#define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
-/* Returns nonzero if the DECL_RTL for NODE has already been set. */
-#define DECL_RTL_SET_P(NODE) (DECL_CHECK (NODE)->decl.rtl != NULL)
-/* Copy the RTL from NODE1 to NODE2. If the RTL was not set for
- NODE1, it will not be set for NODE2; this is a lazy copy. */
-#define COPY_DECL_RTL(NODE1, NODE2) \
- (DECL_CHECK (NODE2)->decl.rtl = DECL_CHECK (NODE1)->decl.rtl)
-/* The DECL_RTL for NODE, if it is set, or NULL, if it is not set. */
-#define DECL_RTL_IF_SET(NODE) (DECL_RTL_SET_P (NODE) ? DECL_RTL (NODE) : NULL)
-
-/* For PARM_DECL, holds an RTL for the stack slot or register
- where the data was actually passed. */
-#define DECL_INCOMING_RTL(NODE) (PARM_DECL_CHECK (NODE)->decl.u2.r)
-
-/* 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)->decl.u2.f)
-
-/* For FUNCTION_DECL, if it is built-in,
- this identifies which built-in operation it is. */
-#define DECL_FUNCTION_CODE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u1.f)
-/* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
- Before the struct containing the FUNCTION_DECL is laid out,
- DECL_VINDEX may point to a FUNCTION_DECL in a base class which
- is the FUNCTION_DECL which this FUNCTION_DECL will replace as a virtual
- function. When the class is laid out, this pointer is changed
- to an INTEGER_CST node which is suitable for use as an index
- into the virtual function table. */
-#define DECL_VINDEX(NODE) (DECL_CHECK (NODE)->decl.vindex)
-
-/* For FIELD_DECLS, DECL_FCONTEXT is the *first* baseclass in
- which this FIELD_DECL is defined. This information is needed when
- writing debugging information about vfield and vbase decls for C++. */
-#define DECL_FCONTEXT(NODE) (FIELD_DECL_CHECK (NODE)->decl.vindex)
-
-/* Every ..._DECL node gets a unique number. */
-#define DECL_UID(NODE) (DECL_CHECK (NODE)->decl.uid)
+/* 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;
+};
/* For any sort of a ..._DECL node, this points to the original (abstract)
decl node which this decl is an instance of, or else it is NULL indicating
that this decl is not an instance of some other decl. For example,
in a nested declaration of an inline function, this points back to the
definition. */
-#define DECL_ABSTRACT_ORIGIN(NODE) (DECL_CHECK (NODE)->decl.abstract_origin)
+#define DECL_ABSTRACT_ORIGIN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.abstract_origin)
/* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */
#define DECL_FROM_INLINE(NODE) (DECL_ABSTRACT_ORIGIN (NODE) != NULL_TREE \
&& DECL_ABSTRACT_ORIGIN (NODE) != (NODE))
-/* Nonzero if a _DECL means that the name of this decl should be ignored
- for symbolic debug purposes. */
-#define DECL_IGNORED_P(NODE) (DECL_CHECK (NODE)->decl.ignored_flag)
+/* In a DECL this is the field where attributes are stored. */
+#define DECL_ATTRIBUTES(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.attributes)
+
+/* For a FUNCTION_DECL, holds the tree of BINDINGs.
+ For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
+ For a VAR_DECL, holds the initial value.
+ For a PARM_DECL, 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
information, we mustn't try to generate any address information for nodes
marked as "abstract instances" because we don't actually generate
any code or allocate any data space for such instances. */
-#define DECL_ABSTRACT(NODE) (DECL_CHECK (NODE)->decl.abstract_flag)
-
-/* Nonzero if a _DECL means that no warnings should be generated just
- because this decl is unused. */
-#define DECL_IN_SYSTEM_HEADER(NODE) \
- (DECL_CHECK (NODE)->decl.in_system_header_flag)
-
-/* Nonzero for a given ..._DECL node means that this node should be
- put in .common, if possible. If a DECL_INITIAL is given, and it
- is not error_mark_node, then the decl cannot be put in .common. */
-#define DECL_COMMON(NODE) (DECL_CHECK (NODE)->decl.common_flag)
+#define DECL_ABSTRACT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.abstract_flag)
/* Language-specific decl information. */
-#define DECL_LANG_SPECIFIC(NODE) (DECL_CHECK (NODE)->decl.lang_specific)
+#define DECL_LANG_SPECIFIC(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_specific)
-/* In a VAR_DECL or FUNCTION_DECL,
- nonzero means external reference:
+/* In a VAR_DECL or FUNCTION_DECL, nonzero means external reference:
do not allocate storage, and refer to a definition elsewhere. */
-#define DECL_EXTERNAL(NODE) (DECL_CHECK (NODE)->decl.external_flag)
+#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 MAX_INIT_PRIORITY 65535
#define MAX_RESERVED_INIT_PRIORITY 100
-/* In a TYPE_DECL
- nonzero means the detail info about this type is not dumped into stabs.
- Instead it will generate cross reference ('x') of names.
- This uses the same flag as DECL_EXTERNAL. */
-#define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
- (TYPE_DECL_CHECK (NODE)->decl.external_flag)
-
-/* In VAR_DECL and PARM_DECL nodes, nonzero means declared `register'. */
-#define DECL_REGISTER(NODE) (DECL_CHECK (NODE)->decl.regdecl_flag)
-
-/* In LABEL_DECL nodes, nonzero means that an error message about
- jumping into such a binding contour has been printed for this label. */
-#define DECL_ERROR_ISSUED(NODE) (LABEL_DECL_CHECK (NODE)->decl.regdecl_flag)
-
-/* In a FIELD_DECL, indicates this field should be bit-packed. */
-#define DECL_PACKED(NODE) (FIELD_DECL_CHECK (NODE)->decl.regdecl_flag)
-
-/* 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)->decl.regdecl_flag)
/* 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.
Also set in some languages for variables, etc., outside the normal
lexical scope, such as class instance variables. */
-#define DECL_NONLOCAL(NODE) (DECL_CHECK (NODE)->decl.nonlocal_flag)
+#define DECL_NONLOCAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.nonlocal_flag)
-/* Nonzero in a FUNCTION_DECL means this function can be substituted
- where it is called. */
-#define DECL_INLINE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.inline_flag)
-
-/* 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)->decl.declared_inline_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)
-/* 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_CHECK (NODE)->decl.seen_in_bind_expr)
+/* Used to indicate that this DECL represents a compiler-generated entity. */
+#define DECL_ARTIFICIAL(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.artificial_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.inline_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)
-/* Value of the decls's visibility attribute */
-#define DECL_VISIBILITY(NODE) (DECL_CHECK (NODE)->decl.visibility)
+/* 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 means that the decl had its visibility specified rather than
- being inferred. */
-#define DECL_VISIBILITY_SPECIFIED(NODE) (DECL_CHECK (NODE)->decl.visibility_specified)
+/* Nonzero if an alias set has been assigned to this declaration. */
+#define DECL_POINTER_ALIAS_SET_KNOWN_P(NODE) \
+ (DECL_POINTER_ALIAS_SET (NODE) != - 1)
-/* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */
-#define DECL_UNINLINABLE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.uninlinable)
+/* 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)
-/* In a VAR_DECL, nonzero if the data should be allocated from
- thread-local storage. */
-#define DECL_THREAD_LOCAL(NODE) (VAR_DECL_CHECK (NODE)->decl.thread_local_flag)
+/* 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
+
+struct tree_decl_common GTY(())
+{
+ struct tree_decl_minimal common;
+ tree size;
-/* In a FUNCTION_DECL, the saved representation of the body of the
- entire function. */
-#define DECL_SAVED_TREE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.saved_tree)
+ 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
+ In PARM_DECL, this is DECL_TRANSPARENT_UNION. */
+ 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, this would go in a theoretical base shared by var and parm
+ decl. */
+ unsigned gimple_reg_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) \
- (TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl.saved_tree)
+ (decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))
+#define SET_DECL_VALUE_EXPR(NODE, VAL) \
+ (decl_value_expr_insert (DECL_WRTL_CHECK (NODE), VAL))
-/* Nonzero in a FUNCTION_DECL means this function should be treated
- as if it were a malloc, meaning it returns a pointer that is
- not an alias. */
-#define DECL_IS_MALLOC(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.malloc_flag)
+/* Holds the RTL expression for the value of a variable or function.
+ This value can be evaluated lazily for functions, variables with
+ static storage duration, and labels. */
+#define DECL_RTL(NODE) \
+ (DECL_WRTL_CHECK (NODE)->decl_with_rtl.rtl \
+ ? (NODE)->decl_with_rtl.rtl \
+ : (make_decl_rtl (NODE), (NODE)->decl_with_rtl.rtl))
-/* Nonzero in a FUNCTION_DECL means this function should be treated
- as "pure" function (like const function, but may read global memory). */
-#define DECL_IS_PURE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.pure_flag)
+/* 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
+ byte 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. */
+#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.bit_field_flag)
+#define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
-/* Unused in FUNCTION_DECL. */
+/* 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)
-/* In a VAR_DECL that's static,
- nonzero if the space is in the text section. */
-#define DECL_IN_TEXT_SECTION(NODE) (VAR_DECL_CHECK (NODE)->decl.bit_field_flag)
+struct tree_field_decl GTY(())
+{
+ struct tree_decl_common common;
+
+ tree offset;
+ tree bit_field_type;
+ tree qualifier;
+ tree bit_offset;
+ tree fcontext;
+
+};
-/* In a FUNCTION_DECL, nonzero means a built in function. */
-#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
+/* 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)
-/* For a builtin function, identify which part of the compiler defined it. */
-#define DECL_BUILT_IN_CLASS(NODE) \
- (FUNCTION_DECL_CHECK (NODE)->decl.built_in_class)
+/* 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)
-/* Used in VAR_DECLs to indicate that the variable is a vtable.
- Used in FIELD_DECLs for vtable pointers.
- Used in FUNCTION_DECLs to indicate that the function is virtual. */
-#define DECL_VIRTUAL_P(NODE) (DECL_CHECK (NODE)->decl.virtual_flag)
+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;
-/* Used to indicate that the linkage status of this DECL is not yet known,
- so it should not be output now. */
-#define DECL_DEFER_OUTPUT(NODE) (DECL_CHECK (NODE)->decl.defer_output)
+};
+
+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)
/* Used in PARM_DECLs whose type are unions to indicate that the
argument should be passed in the same way that the first union
alternative would be passed. */
#define DECL_TRANSPARENT_UNION(NODE) \
- (PARM_DECL_CHECK (NODE)->decl.transparent_union)
+ (PARM_DECL_CHECK (NODE)->decl_common.decl_flag_1)
-/* Used in FUNCTION_DECLs to indicate that they should be run automatically
- at the beginning or end of execution. */
-#define DECL_STATIC_CONSTRUCTOR(NODE) \
- (FUNCTION_DECL_CHECK (NODE)->decl.static_ctor_flag)
+struct tree_parm_decl GTY(())
+{
+ struct tree_decl_with_rtl common;
+ rtx incoming_rtl;
+};
-#define DECL_STATIC_DESTRUCTOR(NODE) \
-(FUNCTION_DECL_CHECK (NODE)->decl.static_dtor_flag)
-/* Used to indicate that this DECL represents a compiler-generated entity. */
-#define DECL_ARTIFICIAL(NODE) (DECL_CHECK (NODE)->decl.artificial_flag)
+/* 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 this DECL has weak linkage. */
-#define DECL_WEAK(NODE) (DECL_CHECK (NODE)->decl.weak_flag)
+/* 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 pointer to this DECL cannot be treated as
+ an address constant. */
+#define DECL_NON_ADDR_CONST_P(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.non_addr_const_p)
-/* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
- multiple translation units should be merged. */
-#define DECL_ONE_ONLY(NODE) (DECL_CHECK (NODE)->decl.transparent_union)
/* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
not be put out unless it is needed in this translation unit.
back-end; it is up to front-ends which set this flag to ensure
that there will never be any harm, other than bloat, in putting out
something which is DECL_COMDAT. */
-#define DECL_COMDAT(NODE) (DECL_CHECK (NODE)->decl.comdat_flag)
+#define DECL_COMDAT(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
-/* Used in FUNCTION_DECLs to indicate that function entry and exit should
- be instrumented with calls to support routines. */
-#define DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT(NODE) \
- (FUNCTION_DECL_CHECK (NODE)->decl.no_instrument_function_entry_exit)
+/* 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)
-/* Used in FUNCTION_DECLs to indicate that limit-stack-* should be
- disabled in this function. */
-#define DECL_NO_LIMIT_STACK(NODE) \
- (FUNCTION_DECL_CHECK (NODE)->decl.no_limit_stack)
+/* 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))
-/* Additional flags for language-specific uses. */
-#define DECL_LANG_FLAG_0(NODE) (DECL_CHECK (NODE)->decl.lang_flag_0)
-#define DECL_LANG_FLAG_1(NODE) (DECL_CHECK (NODE)->decl.lang_flag_1)
-#define DECL_LANG_FLAG_2(NODE) (DECL_CHECK (NODE)->decl.lang_flag_2)
-#define DECL_LANG_FLAG_3(NODE) (DECL_CHECK (NODE)->decl.lang_flag_3)
-#define DECL_LANG_FLAG_4(NODE) (DECL_CHECK (NODE)->decl.lang_flag_4)
-#define DECL_LANG_FLAG_5(NODE) (DECL_CHECK (NODE)->decl.lang_flag_5)
-#define DECL_LANG_FLAG_6(NODE) (DECL_CHECK (NODE)->decl.lang_flag_6)
-#define DECL_LANG_FLAG_7(NODE) (DECL_CHECK (NODE)->decl.lang_flag_7)
+/* 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)
-/* Used to indicate that the pointer to this DECL cannot be treated as
- an address constant. */
-#define DECL_NON_ADDR_CONST_P(NODE) (DECL_CHECK (NODE)->decl.non_addr_const_p)
+/* 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))
-/* Used in a FIELD_DECL to indicate that we cannot form the address of
- this component. */
-#define DECL_NONADDRESSABLE_P(NODE) \
- (FIELD_DECL_CHECK (NODE)->decl.non_addressable)
+/* 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:
-/* Used to indicate an alias set for the memory pointed to by this
- particular FIELD_DECL, PARM_DECL, or VAR_DECL, which must have
- pointer (or reference) type. */
-#define DECL_POINTER_ALIAS_SET(NODE) \
- (DECL_CHECK (NODE)->decl.pointer_alias_set)
+ SET_DECL_ASSEMBLER_NAME(DECL2, DECL_ASSEMBLER_NAME (DECL1))
+ which will try to set the DECL_ASSEMBLER_NAME for DECL1. */
-/* 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.pointer_alias_set)
+#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)
-/* 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)
+/* Records the section name in a section attribute. Used to pass
+ the name from decl_attributes to make_function_rtl and make_decl_rtl. */
+#define DECL_SECTION_NAME(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.section_name)
-/* Nonzero 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)
+/* 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 non_addr_const_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;
+ /* 13 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)->decl.possibly_inlined
+ FUNCTION_DECL_CHECK (DECL)->function_decl.possibly_inlined
-/* 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_CHECK (DECL)->decl.preserve_flag
+/* 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)
-/* Internal to the gimplifier. Indicates that the value is a formal
- temporary controlled by the gimplifier. */
-#define DECL_GIMPLE_FORMAL_TEMP_P(DECL) \
- DECL_CHECK (DECL)->decl.gimple_formal_temp
+/* 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)
-/* Enumerate visibility settings. */
-#ifndef SYMBOL_VISIBILITY_DEFINED
-#define SYMBOL_VISIBILITY_DEFINED
-enum symbol_visibility
-{
- VISIBILITY_DEFAULT,
- VISIBILITY_INTERNAL,
- VISIBILITY_HIDDEN,
- VISIBILITY_PROTECTED
-};
-#endif
+/* 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)
-struct function;
-struct tree_decl GTY(())
-{
- struct tree_common common;
- location_t locus;
- unsigned int uid;
- tree size;
- ENUM_BITFIELD(machine_mode) mode : 8;
+/* In a FUNCTION_DECL, nonzero means a built in function. */
+#define DECL_BUILT_IN(NODE) (DECL_BUILT_IN_CLASS (NODE) != NOT_BUILT_IN)
- unsigned external_flag : 1;
- unsigned nonlocal_flag : 1;
- unsigned regdecl_flag : 1;
- unsigned inline_flag : 1;
- unsigned bit_field_flag : 1;
- unsigned virtual_flag : 1;
- unsigned ignored_flag : 1;
- unsigned abstract_flag : 1;
+/* 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. */
- unsigned in_system_header_flag : 1;
- unsigned common_flag : 1;
- unsigned defer_output : 1;
- unsigned transparent_union : 1;
+struct tree_function_decl GTY(())
+{
+ struct tree_decl_non_common common;
+
unsigned static_ctor_flag : 1;
unsigned static_dtor_flag : 1;
- unsigned artificial_flag : 1;
- unsigned weak_flag : 1;
-
- unsigned non_addr_const_p : 1;
- unsigned no_instrument_function_entry_exit : 1;
- unsigned comdat_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;
- unsigned pure_flag : 1;
- unsigned non_addressable : 1;
- unsigned user_align : 1;
- unsigned uninlinable : 1;
- unsigned thread_local_flag : 1;
- unsigned declared_inline_flag : 1;
- unsigned seen_in_bind_expr : 1;
- ENUM_BITFIELD(symbol_visibility) visibility : 2;
- unsigned visibility_specified : 1;
+ struct function *f;
+};
- 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;
+/* 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)
- unsigned possibly_inlined : 1;
- unsigned preserve_flag: 1;
- unsigned gimple_formal_temp : 1;
- /* 13 unused bits. */
+/* 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)
- 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;
+struct tree_type_decl GTY(())
+{
+ struct tree_decl_non_common common;
- tree size_unit;
- tree name;
- tree context;
- tree arguments; /* Also used for DECL_FIELD_OFFSET */
- tree result; /* Also used for DECL_BIT_FIELD_TYPE */
- tree initial; /* Also used for DECL_QUALIFIER */
- tree abstract_origin;
- tree assembler_name;
- tree section_name;
- tree attributes;
- rtx rtl; /* RTL representation for object. */
-
- /* In FUNCTION_DECL, if it is inline, holds the saved insn chain.
- In FIELD_DECL, is DECL_FIELD_BIT_OFFSET.
- In PARM_DECL, holds an RTL for the stack slot
- of register where the data was actually passed.
- Used by Chill and Java in LABEL_DECL and by C++ and Java in VAR_DECL. */
- union tree_decl_u2 {
- struct function * GTY ((tag ("FUNCTION_DECL"))) f;
- rtx GTY ((tag ("PARM_DECL"))) r;
- tree GTY ((tag ("FIELD_DECL"))) t;
- int GTY ((tag ("VAR_DECL"))) i;
- } GTY ((desc ("TREE_CODE((tree) &(%0))"))) u2;
-
- /* In a FUNCTION_DECL, this is DECL_SAVED_TREE.
- In a VAR_DECL or PARM_DECL, this is DECL_VALUE_EXPR. */
- tree saved_tree;
- tree vindex;
- HOST_WIDE_INT pointer_alias_set;
- /* Points to a structure whose details depend on the language in use. */
- struct lang_decl *lang_specific;
};
-
\f
/* A STATEMENT_LIST chains statements together in GENERIC and GIMPLE.
To reduce overhead, the nodes containing the statements are not trees.
unsigned int id;
};
\f
-enum tree_node_structure_enum {
- TS_COMMON,
- TS_INT_CST,
- TS_REAL_CST,
- TS_VECTOR,
- TS_STRING,
- TS_COMPLEX,
- TS_IDENTIFIER,
- TS_DECL,
- TS_TYPE,
- TS_LIST,
- TS_VEC,
- TS_EXP,
- TS_SSA_NAME,
- TS_PHI_NODE,
- TS_BLOCK,
- TS_BINFO,
- TS_STATEMENT_LIST,
- TS_VALUE_HANDLE,
- LAST_TS_ENUM
-};
-
/* Define the overall contents of a tree node.
It may be any of the structures declared above
for various types of node. */
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 GTY ((tag ("TS_DECL"))) decl;
+ 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_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;
};
\f
/* Standard named or nameless data types of the C compiler. */
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,
#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]
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);
extern void ssanames_print_statistics (void);
#endif
-extern void mark_for_rewrite (tree);
-extern void unmark_all_for_rewrite (void);
-extern bool marked_for_rewrite_p (tree);
-extern bool any_marked_for_rewrite_p (void);
-extern struct bitmap_head_def *marked_ssa_names (void);
-
-
/* Return the (unique) IDENTIFIER_NODE node for a given name.
The name is supplied as a char *. */
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 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_constructor (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_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, tree);
+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);
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 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 bool may_negate_without_overflow_p (tree);
extern tree get_inner_array_type (tree);
extern tree merge_decl_attributes (tree, tree);
extern tree merge_type_attributes (tree, tree);
-extern void default_register_cpp_builtins (struct cpp_reader *);
/* Given a tree node and a string, return nonzero if the tree node is
a valid attribute name for the string. */
tree pending_statics;
/* Bits remaining in the current alignment group */
int remaining_in_alignment;
+ /* True if prev_field was packed and we haven't found any non-packed
+ fields that we have put in the same alignment group. */
+ int prev_packed;
/* True if we've seen a packed field that didn't have normal
alignment anyway. */
int packed_maybe_necessary;
/* and its original value in bytes, specified via -fpack-struct=<value>. */
extern unsigned int initial_max_fld_align;
-/* If nonzero, the alignment of a bitstring or (power-)set value, in bits. */
-extern unsigned int set_alignment;
-
/* 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 bool initializer_zerop (tree);
-extern void categorize_ctor_elements (tree, HOST_WIDE_INT *,
- HOST_WIDE_INT *, HOST_WIDE_INT *);
+extern void categorize_ctor_elements (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
+ HOST_WIDE_INT *, bool *);
extern HOST_WIDE_INT count_type_elements (tree);
/* add_var_to_bind_expr (bind_expr, var) binds var to bind_expr. */
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. */
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 *);
+ tree *, enum machine_mode *, int *, int *,
+ bool);
/* Return 1 if T is an expression that get_inner_reference handles. */
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_set_constructor_bits (tree, char *, int);
-extern tree get_set_constructor_bytes (tree, unsigned char *, int);
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 get_case_label (tree);
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);
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_initializer (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 tree force_fit_type (tree, int, bool, bool);
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);
-tree fold_build_cleanup_point_expr (tree type, tree expr);
+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 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);
/* In builtins.c */
-extern tree fold_builtin (tree, bool);
+extern tree fold_builtin (tree, tree, bool);
extern tree fold_builtin_fputs (tree, bool, bool, tree);
-extern tree fold_builtin_strcpy (tree, tree);
-extern tree fold_builtin_strncpy (tree, 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 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_invarant_for_addr_expr (tree);
extern bool is_global_var (tree t);
extern bool needs_to_live_in_memory (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);
+extern tree build_addr (tree, tree);
extern bool fields_compatible_p (tree, tree);
extern tree find_compatible_field (tree, tree);
data structures from the inliner. */
extern tree unsave_expr_now (tree);
-/* In expr.c */
-extern void check_max_integer_computation_mode (tree);
-
/* In emit-rtl.c */
extern rtx emit_line_note (location_t);
/* Nonzero if this is a call to a function that returns with the stack
pointer depressed. */
#define ECF_SP_DEPRESSED 256
-/* Nonzero if this call is known to always return. */
-#define ECF_ALWAYS_RETURN 512
/* Create libcall block around the call. */
-#define ECF_LIBCALL_BLOCK 1024
+#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 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 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 bool decl_overlaps_hard_reg_set_p (tree, const HARD_REG_SET);
+#endif
/* In gimplify.c. */
extern tree create_artificial_label (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*);
-/* In tree-dump.c */
-
-/* Different tree dump places. When you add new tree dump places,
- extend the DUMP_FILES array in tree-dump.c. */
-enum tree_dump_index
-{
- TDI_none, /* No dump */
- TDI_tu, /* dump the whole translation unit. */
- TDI_class, /* dump class hierarchy. */
- TDI_original, /* dump each function before optimizing it */
- TDI_generic, /* dump each function after genericizing it */
- TDI_nested, /* dump each function after unnesting it */
- TDI_inlined, /* dump each function after inlining
- within it. */
- TDI_vcg, /* create a VCG graph file for each
- function's flowgraph. */
- TDI_tree_all, /* enable all the GENERIC/GIMPLE dumps. */
- TDI_rtl_all, /* enable all the RTL dumps. */
- TDI_ipa_all, /* enable all the IPA dumps. */
-
- TDI_cgraph, /* dump function call graph. */
-
- DFI_MIN, /* For now, RTL dumps are placed here. */
- DFI_sibling = DFI_MIN,
- DFI_eh,
- DFI_jump,
- DFI_cse,
- DFI_gcse,
- DFI_loop,
- DFI_bypass,
- DFI_cfg,
- DFI_bp,
- DFI_vpt,
- DFI_ce1,
- DFI_tracer,
- DFI_loop2,
- DFI_web,
- DFI_cse2,
- DFI_life,
- DFI_combine,
- DFI_ce2,
- DFI_regmove,
- DFI_sms,
- DFI_sched,
- DFI_lreg,
- DFI_greg,
- DFI_postreload,
- DFI_gcse2,
- DFI_flow2,
- DFI_peephole2,
- DFI_ce3,
- DFI_rnreg,
- DFI_bbro,
- DFI_branch_target_load,
- DFI_sched2,
- DFI_stack,
- DFI_vartrack,
- DFI_mach,
- DFI_dbr,
-
- TDI_end
-};
-
-/* Bit masks to control dumping. Not all values are applicable to
- all dumps. Add new ones at the end. When you define new
- values, extend the DUMP_OPTIONS array in tree-dump.c */
-#define TDF_ADDRESS (1 << 0) /* dump node addresses */
-#define TDF_SLIM (1 << 1) /* don't go wild following links */
-#define TDF_RAW (1 << 2) /* don't unparse the function */
-#define TDF_DETAILS (1 << 3) /* show more detailed info about
- each pass */
-#define TDF_STATS (1 << 4) /* dump various statistics about
- each pass */
-#define TDF_BLOCKS (1 << 5) /* display basic block boundaries */
-#define TDF_VOPS (1 << 6) /* display virtual operands */
-#define TDF_LINENO (1 << 7) /* display statement line numbers */
-#define TDF_UID (1 << 8) /* display decl UIDs */
-
-#define TDF_TREE (1 << 9) /* is a tree dump */
-#define TDF_RTL (1 << 10) /* is a RTL dump */
-#define TDF_IPA (1 << 11) /* is an IPA dump */
-
-typedef struct dump_info *dump_info_p;
-
-extern char *get_dump_file_name (enum tree_dump_index);
-extern int dump_flag (dump_info_p, int, tree);
-extern int dump_enabled_p (enum tree_dump_index);
-extern int dump_initialized_p (enum tree_dump_index);
-extern FILE *dump_begin (enum tree_dump_index, int *);
-extern void dump_end (enum tree_dump_index, FILE *);
-extern void dump_node (tree, int, FILE *);
-extern int dump_switch_p (const char *);
-extern const char *dump_flag_name (enum tree_dump_index);
/* Assign the RTX to declaration. */
extern void set_decl_rtl (tree, rtx);
binfo_kind,
phi_kind,
ssa_name_kind,
+ constr_kind,
x_kind,
lang_decl,
lang_type,
restricted to creating gimple expressions. */
extern bool in_gimple_form;
-/* In tree-ssa-threadupdate.c. */
-extern bool thread_through_all_blocks (void);
-
/* 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-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 */
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