/* Front-end tree definitions for GNU compiler.
Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
Free Software Foundation, Inc.
This file is part of GCC.
See the accessor macros, defined below, for documentation of the
fields. */
-union tree_ann_d;
struct GTY(()) tree_base {
ENUM_BITFIELD(tree_code) code : 16;
unsigned packed_flag : 1;
unsigned user_align : 1;
- unsigned spare : 21;
+ unsigned spare : 13;
- union tree_ann_d *ann;
+ /* This field is only used with type nodes; the only reason it is present
+ in tree_base instead of tree_type is to save space. The size of the
+ field must be large enough to hold addr_space_t values. */
+ unsigned address_space : 8;
};
struct GTY(()) tree_common {
addressable_flag:
TREE_ADDRESSABLE in
- VAR_DECL, FUNCTION_DECL, FIELD_DECL, LABEL_DECL
+ VAR_DECL, PARM_DECL, RESULT_DECL, FUNCTION_DECL, LABEL_DECL
all types
CONSTRUCTOR, IDENTIFIER_NODE
STMT_EXPR, it means we want the result of the enclosed expression
CALL_CANNOT_INLINE_P in
CALL_EXPR
+
+ ENUM_IS_SCOPED in
+ ENUMERAL_TYPE
public_flag:
OMP_CLAUSE_PRIVATE_OUTER_REF in
OMP_CLAUSE_PRIVATE
+ TYPE_REF_IS_RVALUE in
+ REFERENCE_TYPE
+
protected_flag:
TREE_PROTECTED in
\f
/* 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 VAR_DECL, PARM_DECL and RESULT_DECL nodes, nonzero means address
+ of this is needed. So it cannot be in a register.
In a FUNCTION_DECL, 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 ..._TYPE nodes, it means that objects of this type must be fully
+ addressable. This means that pieces of this object cannot go into
+ register parameters, for example. If this a function type, this
+ means that the value must be returned in memory.
In 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)->base.addressable_flag)
/* Used to mark a CALL_EXPR as not suitable for inlining. */
#define CALL_CANNOT_INLINE_P(NODE) (CALL_EXPR_CHECK (NODE)->base.static_flag)
+/* Used to mark scoped enums. */
+#define ENUM_IS_SCOPED(NODE) (ENUMERAL_TYPE_CHECK (NODE)->base.static_flag)
+
/* In an expr node (usually a conversion) this means the node was made
implicitly and should not lead to any sort of warning. In a decl node,
warnings concerning the decl should be suppressed. This is used at
#define TREE_THIS_NOTRAP(NODE) ((NODE)->base.nothrow_flag)
/* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
- nonzero means it may not be the lhs of an assignment.
+ nonzero means it may not be the lhs of an assignment.
Nonzero in a FUNCTION_DECL means this function should be treated
as "const" function (can only read its arguments). */
#define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->base.readonly_flag)
(TREE_CHECK3 (NODE, VAR_DECL, PARM_DECL, \
RESULT_DECL)->decl_common.decl_restricted_flag)
+#define DECL_READ_P(NODE) \
+ (TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_read_flag)
+
/* In a CALL_EXPR, means that the call is the jump from a thunk to the
thunked-to function. */
#define CALL_FROM_THUNK_P(NODE) (CALL_EXPR_CHECK (NODE)->base.protected_flag)
/* Used in classes in C++. */
#define TREE_PROTECTED(NODE) ((NODE)->base.protected_flag)
+/* True if reference type NODE is a C++ rvalue reference. */
+#define TYPE_REF_IS_RVALUE(NODE) \
+ (REFERENCE_TYPE_CHECK (NODE)->base.private_flag)
+
/* Nonzero in a _DECL if the use of the name is defined as a
deprecated feature by __attribute__((deprecated)). */
#define TREE_DEPRECATED(NODE) \
/* In a FIXED_CST node. */
struct fixed_value;
-#define TREE_FIXED_CST_PTR(NODE) (FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
+#define TREE_FIXED_CST_PTR(NODE) \
+ (FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
#define TREE_FIXED_CST(NODE) (*TREE_FIXED_CST_PTR (NODE))
struct GTY(()) tree_fixed_cst {
#define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
#define CONSTRUCTOR_ELT(NODE,IDX) \
(VEC_index (constructor_elt, CONSTRUCTOR_ELTS (NODE), IDX))
-#define CONSTRUCTOR_NELTS(NODE) (VEC_length (constructor_elt, CONSTRUCTOR_ELTS (NODE)))
+#define CONSTRUCTOR_NELTS(NODE) \
+ (VEC_length (constructor_elt, CONSTRUCTOR_ELTS (NODE)))
/* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding the
value of each element (stored within VAL). IX must be a scratch variable
#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), \
+ : (((void) (VAL = VEC_index (constructor_elt, V, IX)->value)), \
(INDEX = VEC_index (constructor_elt, V, IX)->index), \
- true); \
+ true); \
(IX)++)
/* Append a new constructor element to V, with the specified INDEX and VAL. */
/* 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 EXPR_LOCATION(NODE) \
+ (EXPR_P ((NODE)) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
#define SET_EXPR_LOCATION(NODE, LOCUS) EXPR_CHECK ((NODE))->exp.locus = (LOCUS)
#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCATION (NODE) != UNKNOWN_LOCATION)
#define EXPR_FILENAME(NODE) LOCATION_FILE (EXPR_CHECK ((NODE))->exp.locus)
the very first reference to S in the function is a read operation.
Default definitions are always created by an empty statement and
belong to no basic block. */
-#define SSA_NAME_IS_DEFAULT_DEF(NODE) \
+#define SSA_NAME_IS_DEFAULT_DEF(NODE) \
SSA_NAME_CHECK (NODE)->base.default_def_flag
/* Attributes for SSA_NAMEs for pointer-type variables. */
};
\f
-struct varray_head_tag;
-
/* In a BLOCK node. */
#define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
-#define BLOCK_NONLOCALIZED_VARS(NODE) (BLOCK_CHECK (NODE)->block.nonlocalized_vars)
-#define BLOCK_NUM_NONLOCALIZED_VARS(NODE) VEC_length (tree, BLOCK_NONLOCALIZED_VARS (NODE))
-#define BLOCK_NONLOCALIZED_VAR(NODE,N) VEC_index (tree, BLOCK_NONLOCALIZED_VARS (NODE), N)
+#define BLOCK_NONLOCALIZED_VARS(NODE) \
+ (BLOCK_CHECK (NODE)->block.nonlocalized_vars)
+#define BLOCK_NUM_NONLOCALIZED_VARS(NODE) \
+ VEC_length (tree, BLOCK_NONLOCALIZED_VARS (NODE))
+#define BLOCK_NONLOCALIZED_VAR(NODE,N) \
+ VEC_index (tree, BLOCK_NONLOCALIZED_VARS (NODE), N)
#define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
#define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
/* Note: when changing this, make sure to find the places
/* The "canonical" type for this type node, which can be used to
compare the type for equality with another type. If two types are
equal (based on the semantics of the language), then they will have
- equivalent TYPE_CANONICAL entries.
+ equivalent TYPE_CANONICAL entries.
As a special case, if TYPE_CANONICAL is NULL_TREE, then it cannot
be used for comparison against other types. Instead, the type is
/* 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)
+#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. */
the term. */
#define TYPE_RESTRICT(NODE) (TYPE_CHECK (NODE)->type.restrict_flag)
+/* The address space the type is in. */
+#define TYPE_ADDR_SPACE(NODE) (TYPE_CHECK (NODE)->base.address_space)
+
/* There is a TYPE_QUAL value for each type qualifier. They can be
combined by bitwise-or to form the complete set of qualifiers for a
type. */
#define TYPE_QUAL_VOLATILE 0x2
#define TYPE_QUAL_RESTRICT 0x4
+/* Encode/decode the named memory support as part of the qualifier. If more
+ than 8 qualifiers are added, these macros need to be adjusted. */
+#define ENCODE_QUAL_ADDR_SPACE(NUM) ((NUM & 0xFF) << 8)
+#define DECODE_QUAL_ADDR_SPACE(X) (((X) >> 8) & 0xFF)
+
+/* Return all qualifiers except for the address space qualifiers. */
+#define CLEAR_QUAL_ADDR_SPACE(X) ((X) & ~0xFF00)
+
+/* Only keep the address space out of the qualifiers and discard the other
+ qualifiers. */
+#define KEEP_QUAL_ADDR_SPACE(X) ((X) & 0xFF00)
+
/* The set of type qualifiers for this type. */
#define TYPE_QUALS(NODE) \
((TYPE_READONLY (NODE) * TYPE_QUAL_CONST) \
| (TYPE_VOLATILE (NODE) * TYPE_QUAL_VOLATILE) \
+ | (TYPE_RESTRICT (NODE) * TYPE_QUAL_RESTRICT) \
+ | (ENCODE_QUAL_ADDR_SPACE (TYPE_ADDR_SPACE (NODE))))
+
+/* The same as TYPE_QUALS without the address space qualifications. */
+#define TYPE_QUALS_NO_ADDR_SPACE(NODE) \
+ ((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_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)
+/* Indicates that a UNION_TYPE object should be passed the same way that
+ the first union alternative would be passed, or that a RECORD_TYPE
+ object should be passed the same way that the first (and only) member
+ would be passed. */
+#define TYPE_TRANSPARENT_AGGR(NODE) \
+ (RECORD_OR_UNION_CHECK (NODE)->type.transparent_aggr_flag)
/* For an ARRAY_TYPE, indicates that it is not permitted to take the
address of a component of the type. This is the counterpart of
DECL_NONADDRESSABLE_P for arrays, see the definition of this flag. */
#define TYPE_NONALIASED_COMPONENT(NODE) \
- (ARRAY_TYPE_CHECK (NODE)->type.transparent_union_flag)
+ (ARRAY_TYPE_CHECK (NODE)->type.transparent_aggr_flag)
/* Indicated that objects of this type should be laid out in as
compact a way as possible. */
unsigned int precision : 10;
unsigned no_force_blk_flag : 1;
unsigned needs_constructing_flag : 1;
- unsigned transparent_union_flag : 1;
+ unsigned transparent_aggr_flag : 1;
unsigned restrict_flag : 1;
unsigned contains_placeholder_bits : 2;
/* Every ..._DECL node gets a unique number. */
#define DECL_UID(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.uid)
+/* DEBUG_EXPR_DECLs get negative UID numbers, to catch erroneous
+ uses. */
+#define DEBUG_TEMP_UID(NODE) (-DECL_UID (TREE_CHECK ((NODE), DEBUG_EXPR_DECL)))
+
+/* Every ..._DECL node gets a unique number that stays the same even
+ when the decl is copied by the inliner once it is set. */
+#define DECL_PT_UID(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid == -1u \
+ ? (NODE)->decl_minimal.uid : (NODE)->decl_common.pt_uid)
+/* Initialize the ..._DECL node pt-uid to the decls uid. */
+#define SET_DECL_PT_UID(NODE, UID) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid = (UID))
+/* Whether the ..._DECL node pt-uid has been initialized and thus needs to
+ be preserved when copyin the decl. */
+#define DECL_PT_UID_SET_P(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.pt_uid != -1u)
+
/* These two fields describe where in the source code the declaration
was. If the declaration appears in several places (as for a C
function that is declared first and then defined later), this
information should refer to the definition. */
-#define DECL_SOURCE_LOCATION(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
+#define DECL_SOURCE_LOCATION(NODE) \
+ (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
#define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
#define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
#define DECL_IS_BUILTIN(DECL) \
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)
+#define DECL_FIELD_CONTEXT(NODE) \
+ (FIELD_DECL_CHECK (NODE)->decl_minimal.context)
struct GTY(()) tree_decl_minimal {
struct tree_common common;
location_t locus;
/* 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)
+ decl node which this decl is an inlined/cloned instance of, or else it
+ is NULL indicating that this decl is not an instance of some other decl.
+
+ The C front-end also uses this in a nested declaration of an inline
+ function, to point back to the definition. */
+#define DECL_ABSTRACT_ORIGIN(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.abstract_origin)
/* Like DECL_ABSTRACT_ORIGIN, but returns NODE if there's no abstract
origin. This is useful when setting the DECL_ABSTRACT_ORIGIN. */
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))
+#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)
+#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.
#define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
/* Set if the alignment of this DECL has been set by the user, for
example with an 'aligned' attribute. */
-#define DECL_USER_ALIGN(NODE) (DECL_COMMON_CHECK (NODE)->common.base.user_align)
+#define DECL_USER_ALIGN(NODE) \
+ (DECL_COMMON_CHECK (NODE)->common.base.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. */
/* Nonzero for a given ..._DECL node means that the name of this node should
be ignored for symbolic debug purposes. Moreover, for a FUNCTION_DECL,
the body of the function should also be ignored. */
-#define DECL_IGNORED_P(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
+#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_COMMON_CHECK (NODE)->decl_common.abstract_flag)
+#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)
+#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
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)
+#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)
+#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)
+#define DECL_ARTIFICIAL(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.artificial_flag)
/* Additional flags for language-specific uses. */
-#define DECL_LANG_FLAG_0(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
-#define DECL_LANG_FLAG_1(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
-#define DECL_LANG_FLAG_2(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
-#define DECL_LANG_FLAG_3(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
-#define DECL_LANG_FLAG_4(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
-#define DECL_LANG_FLAG_5(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
-#define DECL_LANG_FLAG_6(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
-#define DECL_LANG_FLAG_7(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
+#define DECL_LANG_FLAG_0(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_0)
+#define DECL_LANG_FLAG_1(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_1)
+#define DECL_LANG_FLAG_2(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_2)
+#define DECL_LANG_FLAG_3(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_3)
+#define DECL_LANG_FLAG_4(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_4)
+#define DECL_LANG_FLAG_5(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_5)
+#define DECL_LANG_FLAG_6(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_6)
+#define DECL_LANG_FLAG_7(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_7)
+#define DECL_LANG_FLAG_8(NODE) \
+ (DECL_COMMON_CHECK (NODE)->decl_common.lang_flag_8)
/* Nonzero for a decl which is at file scope. */
#define DECL_FILE_SCOPE_P(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. */
+ This indicates to compiler tools that this decl needs to be preserved. */
#define DECL_PRESERVE_P(DECL) \
DECL_COMMON_CHECK (DECL)->decl_common.preserve_flag
unsigned lang_flag_5 : 1;
unsigned lang_flag_6 : 1;
unsigned lang_flag_7 : 1;
+ unsigned lang_flag_8 : 1;
/* In LABEL_DECL, this is DECL_ERROR_ISSUED.
In VAR_DECL and PARM_DECL, this is DECL_REGISTER. */
unsigned decl_by_reference_flag : 1;
/* In VAR_DECL, PARM_DECL and RESULT_DECL, this is DECL_RESTRICTED_P. */
unsigned decl_restricted_flag : 1;
+
+ /* In VAR_DECL and PARM_DECL set when the decl has been used except for
+ being set. */
+ unsigned decl_read_flag : 1;
+
/* Padding so that 'off_align' can be on a 32-bit boundary. */
- unsigned decl_common_unused : 3;
+ unsigned decl_common_unused : 1;
/* DECL_OFFSET_ALIGN, used only for FIELD_DECLs. */
unsigned int off_align : 8;
/* DECL_ALIGN. It should have the same size as TYPE_ALIGN. */
unsigned int align;
+ /* UID for points-to sets, stable over copying from inlining. */
+ unsigned int pt_uid;
+
tree size_unit;
tree initial;
tree attributes;
(TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl_common.decl_flag_2)
#define DECL_VALUE_EXPR(NODE) \
(decl_value_expr_lookup (DECL_WRTL_CHECK (NODE)))
-#define SET_DECL_VALUE_EXPR(NODE, VAL) \
+#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.
#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)
+#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)
+ (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)
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)
+#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)
+#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. */
int eh_landing_pad_nr;
};
+struct var_ann_d;
struct GTY(()) tree_result_decl {
struct tree_decl_with_rtl common;
+ struct var_ann_d *ann;
};
struct GTY(()) tree_const_decl {
/* 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)
+#define DECL_INCOMING_RTL(NODE) \
+ (PARM_DECL_CHECK (NODE)->parm_decl.incoming_rtl)
struct GTY(()) tree_parm_decl {
struct tree_decl_with_rtl common;
rtx incoming_rtl;
+ struct var_ann_d *ann;
};
-/* 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) \
(in_system_header_at (DECL_SOURCE_LOCATION (NODE)))
+/* Used to indicate that the linkage status of this DECL is not yet known,
+ so it should not be output now. */
+#define DECL_DEFER_OUTPUT(NODE) \
+ (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.defer_output)
+
+/* In a VAR_DECL that's static,
+ nonzero if the space is in the text section. */
+#define DECL_IN_TEXT_SECTION(NODE) \
+ (VAR_DECL_CHECK (NODE)->decl_with_vis.in_text_section)
+
+/* In a VAR_DECL that's static,
+ nonzero if it belongs to the global constant pool. */
+#define DECL_IN_CONSTANT_POOL(NODE) \
+ (VAR_DECL_CHECK (NODE)->decl_with_vis.in_constant_pool)
+
+/* Nonzero for a given ..._DECL node means that this node should be
+ put in .common, if possible. If a DECL_INITIAL is given, and it
+ is not error_mark_node, then the decl cannot be put in .common. */
+#define DECL_COMMON(NODE) \
+ (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.common_flag)
+
+/* In a VAR_DECL, nonzero if the decl is a register variable with
+ an explicit asm specification. */
+#define DECL_HARD_REGISTER(NODE) \
+ (VAR_DECL_CHECK (NODE)->decl_with_vis.hard_register)
+
/* Used to indicate that this DECL has weak linkage. */
#define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
/* Used to indicate that the DECL is a dllimport. */
-#define DECL_DLLIMPORT_P(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_flag)
+#define DECL_DLLIMPORT_P(NODE) \
+ (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.dllimport_flag)
/* Used in a DECL to indicate that, even if it TREE_PUBLIC, it need
not be put out unless it is needed in this translation unit.
back-end; it is up to front-ends which set this flag to ensure
that there will never be any harm, other than bloat, in putting out
something which is DECL_COMDAT. */
-#define DECL_COMDAT(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
+#define DECL_COMDAT(NODE) \
+ (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_flag)
-#define DECL_COMDAT_GROUP(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_group)
+#define DECL_COMDAT_GROUP(NODE) \
+ (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.comdat_group)
+
+/* Used in TREE_PUBLIC decls to indicate that copies of this DECL in
+ multiple translation units should be merged. */
+#define DECL_ONE_ONLY(NODE) (DECL_COMDAT_GROUP (NODE) != NULL_TREE)
/* 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.
+ 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.
+ instantiations is not penalized.
For example, DECL_REPLACEABLE is used to determine whether or not a
function (including a template instantiation) which is not
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)
+ (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) \
/* 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)
+#define DECL_SECTION_NAME(NODE) \
+ (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.section_name)
+
+/* Nonzero in a decl means that the gimplifier has seen (or placed)
+ this variable in a BIND_EXPR. */
+#define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
+ (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.seen_in_bind_expr)
/* Value of the decls's visibility attribute */
-#define DECL_VISIBILITY(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.visibility)
+#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)
+#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_COMDAT_GROUP (NODE) != NULL_TREE)
+/* In a VAR_DECL, the model to use if the data should be allocated from
+ thread-local storage. */
+#define DECL_TLS_MODEL(NODE) (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model)
+
+/* In a VAR_DECL, nonzero if the data should be allocated from
+ thread-local storage. */
+#define DECL_THREAD_LOCAL_P(NODE) \
+ (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model >= TLS_MODEL_REAL)
+
+/* In a non-local VAR_DECL with static storage duration, true if the
+ variable has an initialization priority. If false, the variable
+ will be initialized at the DEFAULT_INIT_PRIORITY. */
+#define DECL_HAS_INIT_PRIORITY_P(NODE) \
+ (VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
struct GTY(()) tree_decl_with_vis {
struct tree_decl_with_rtl common;
unsigned thread_local : 1;
unsigned common_flag : 1;
unsigned in_text_section : 1;
+ unsigned in_constant_pool : 1;
unsigned dllimport_flag : 1;
- /* Used by C++. Might become a generic decl flag. */
- unsigned shadowed_for_var_p : 1;
/* Don't belong to VAR_DECL exclusively. */
unsigned weak_flag : 1;
/* Belong to FUNCTION_DECL exclusively. */
unsigned init_priority_p : 1;
- /* 15 unused bits. */
+ /* Used by C++ only. Might become a generic decl flag. */
+ unsigned shadowed_for_var_p : 1;
+ /* 14 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
extern void decl_init_priority_insert (tree, priority_type);
extern void decl_fini_priority_insert (tree, priority_type);
-/* In a non-local VAR_DECL with static storage duration, true if the
- variable has an initialization priority. If false, the variable
- will be initialized at the DEFAULT_INIT_PRIORITY. */
-#define DECL_HAS_INIT_PRIORITY_P(NODE) \
- (VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
-
/* For a VAR_DECL or FUNCTION_DECL the initialization priority of
- NODE. */
+ NODE. */
#define DECL_INIT_PRIORITY(NODE) \
(decl_init_priority_lookup (NODE))
/* Set the initialization priority for NODE to VAL. */
libraries. */
#define MAX_RESERVED_INIT_PRIORITY 100
-/* In a VAR_DECL, the model to use if the data should be allocated from
- thread-local storage. */
-#define DECL_TLS_MODEL(NODE) (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model)
-
-/* In a VAR_DECL, nonzero if the data should be allocated from
- thread-local storage. */
-#define DECL_THREAD_LOCAL_P(NODE) \
- (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model >= TLS_MODEL_REAL)
+#define DECL_VAR_ANN_PTR(NODE) \
+ (TREE_CODE (NODE) == VAR_DECL ? &(NODE)->var_decl.ann \
+ : TREE_CODE (NODE) == PARM_DECL ? &(NODE)->parm_decl.ann \
+ : TREE_CODE (NODE) == RESULT_DECL ? &(NODE)->result_decl.ann \
+ : NULL)
struct GTY(()) tree_var_decl {
struct tree_decl_with_vis common;
+ struct var_ann_d *ann;
};
/* 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)
+#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,
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)
+#define DECL_VINDEX(NODE) \
+ (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.vindex)
struct GTY(())
tree_decl_non_common {
#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)
+#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)
+#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)
+#define DECL_IS_MALLOC(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.malloc_flag)
/* Nonzero in a FUNCTION_DECL means this function should be treated as
C++ operator new, meaning that it returns a pointer for which we
/* 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)
+#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_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) \
+/* In a FUNCTION_DECL indicates that a static chain is needed. */
+#define DECL_STATIC_CHAIN(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.regdecl_flag)
/* Nonzero for a decl that cgraph has decided should be inlined into
/* 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)
+#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)
/* 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)
+#define DECL_ARGUMENTS(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->decl_non_common.arguments)
+#define DECL_ARGUMENT_FLD(NODE) \
+ (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments)
/* In FUNCTION_DECL, the function specific target options to use when compiling
this function. */
};
/* 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)
+#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.
#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)
+#define MAIN_NAME_P(NODE) \
+ (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
/* Optimization options (OPTIMIZATION_NODE) to use for default and current
functions. */
#define build_var_debug_value(t1,t2) \
build_var_debug_value_stat (t1,t2 MEM_STAT_INFO)
+/* Constructs double_int from tree CST. */
+
+static inline double_int
+tree_to_double_int (const_tree cst)
+{
+ return TREE_INT_CST (cst);
+}
+
+extern tree double_int_to_tree (tree, double_int);
+extern bool double_int_fits_to_tree_p (const_tree, double_int);
+
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 signed_or_unsigned_type_for (int, tree);
extern tree signed_type_for (tree);
extern tree unsigned_type_for (tree);
-extern void initialize_sizetypes (bool);
+extern void initialize_sizetypes (void);
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 round_up_loc (location_t, tree, int);
#define round_down(T,N) round_down_loc (UNKNOWN_LOCATION, T, N)
extern tree round_down_loc (location_t, tree, int);
-extern tree get_pending_sizes (void);
+extern VEC(tree,gc) *get_pending_sizes (void);
extern void put_pending_size (tree);
-extern void put_pending_sizes (tree);
+extern void put_pending_sizes (VEC(tree,gc) *);
extern void finalize_size_functions (void);
/* Type for sizes of data-type. */
extern int fields_length (const_tree);
+/* Returns the first FIELD_DECL in a type. */
+
+extern tree first_field (const_tree);
+
/* Given an initializer INIT, return TRUE if INIT is zero or some
aggregate of zeros. Otherwise return FALSE. */
extern tree tree_strip_nop_conversions (tree);
extern tree tree_strip_sign_nop_conversions (tree);
extern tree lhd_gcc_personality (void);
+extern void assign_assembler_name_if_neeeded (tree);
+
\f
/* In cgraph.c */
extern void change_decl_assembler_name (tree, tree);
extern void fold_undefer_and_ignore_overflow_warnings (void);
extern bool fold_deferring_overflow_warnings_p (void);
-extern tree force_fit_type_double (tree, unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- int, bool);
-
-extern int fit_double_type (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, const_tree);
-extern int add_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
- bool);
-#define add_double(l1,h1,l2,h2,lv,hv) \
- add_double_with_sign (l1, h1, l2, h2, lv, hv, false)
-extern int neg_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
-extern int mul_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
- bool);
-#define mul_double(l1,h1,l2,h2,lv,hv) \
- mul_double_with_sign (l1, h1, l2, h2, lv, hv, false)
-extern void lshift_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, int);
-extern void rshift_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, int);
-extern void lrotate_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
-extern void rrotate_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned int,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
-
-extern int div_and_round_double (enum tree_code, int, unsigned HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned HOST_WIDE_INT,
- HOST_WIDE_INT, unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *, unsigned HOST_WIDE_INT *,
- HOST_WIDE_INT *);
-
enum operand_equal_flag
{
OEP_ONLY_CONST = 1,
extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, enum machine_mode);
extern bool can_trust_pointer_alignment (void);
extern int get_pointer_alignment (tree, unsigned int);
-extern bool is_builtin_name (const char*);
+extern bool is_builtin_name (const char *);
+extern bool is_builtin_fn (tree);
extern int get_object_alignment (tree, unsigned int, unsigned int);
extern tree fold_call_stmt (gimple, bool);
extern tree gimple_fold_builtin_snprintf_chk (gimple, tree, enum built_in_function);
extern tree make_range (tree, int *, tree *, tree *, bool *);
extern tree build_range_check (location_t, tree, tree, int, tree, tree);
-extern bool merge_ranges (int *, tree *, tree *, int, tree, tree, int,
+extern bool merge_ranges (int *, tree *, tree *, int, tree, tree, int,
tree, tree);
+extern void set_builtin_user_assembler_name (tree decl, const char *asmspec);
/* In convert.c */
extern tree strip_float_extensions (tree);
extern int real_twop (const_tree);
extern int real_minus_onep (const_tree);
extern void init_ttree (void);
-extern void build_common_tree_nodes (bool, bool);
+extern void build_common_tree_nodes (bool);
extern void build_common_tree_nodes_2 (int);
-extern void build_common_builtin_nodes (bool);
+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 bool subrange_type_for_debug_p (const_tree, tree *, tree *);
extern int flags_from_decl_or_type (const_tree);
extern int call_expr_flags (const_tree);
+/* Call argument flags. */
+
+/* Nonzero if the argument is not dereferenced recursively, thus only
+ directly reachable memory is read or written. */
+#define EAF_DIRECT (1 << 0)
+/* Nonzero if memory reached by the argument is not clobbered. */
+#define EAF_NOCLOBBER (1 << 1)
+/* Nonzero if the argument does not escape. */
+#define EAF_NOESCAPE (1 << 2)
+/* Nonzero if the argument is not used by the function. */
+#define EAF_UNUSED (1 << 3)
+
+/* Call return flags. */
+
+/* Mask for the argument number that is returned. Lower two bits of
+ the return flags, encodes argument slots zero to three. */
+#define ERF_RETURN_ARG_MASK (3)
+/* Nonzero if the return value is equal to the argument number
+ flags & ERF_RETURN_ARG_MASK. */
+#define ERF_RETURNS_ARG (1 << 2)
+/* Nonzero if the return value does not alias with anything. Functions
+ with the malloc attribute have this set on their return value. */
+#define ERF_NOALIAS (1 << 3)
+
extern int setjmp_call_p (const_tree);
extern bool gimple_alloca_call_p (const_gimple);
extern bool alloca_call_p (const_tree);
extern unsigned int update_alignment_for_field (record_layout_info, tree,
unsigned int);
/* varasm.c */
+extern tree tree_output_constant_def (tree);
extern void make_decl_rtl (tree);
+extern rtx make_decl_rtl_for_debug (tree);
extern void make_decl_one_only (tree, tree);
extern int supports_one_only (void);
extern void resolve_unique_section (tree, int, int);
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);
tree target_for_debug_bind (tree);
-/* In tree-ssa-ccp.c */
-extern tree maybe_fold_offset_to_reference (location_t, tree, tree, tree);
-extern tree maybe_fold_offset_to_address (location_t, tree, tree, tree);
-extern tree maybe_fold_stmt_addition (location_t, tree, tree, tree);
-
/* In tree-ssa-address.c. */
extern tree tree_mem_ref_addr (tree, tree);
extern void copy_mem_ref_info (tree, tree);
void init_inline_once (void);
-/* In ipa-reference.c. Used for parsing attributes of asm code. */
-extern GTY(()) tree memory_identifier_string;
-
-/* Compute the number of operands in an expression node NODE. For
+/* Compute the number of operands in an expression node NODE. For
tcc_vl_exp nodes like CALL_EXPRs, this is stored in the node itself,
otherwise it is looked up from the node's code. */
static inline int
for ((arg) = first_const_call_expr_arg ((call), &(iter)); (arg); \
(arg) = next_const_call_expr_arg (&(iter)))
+/* Return true if tree node T is a language-specific node. */
+static inline bool
+is_lang_specific (tree t)
+{
+ return TREE_CODE (t) == LANG_TYPE || TREE_CODE (t) >= NUM_TREE_CODES;
+}
+
#endif /* GCC_TREE_H */
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