/* This file contains the definitions and documentation for the
|
/* This file contains the definitions and documentation for the
|
tree codes used in GCC.
|
tree codes used in GCC.
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Copyright (C) 1987, 1988, 1993, 1995, 1997, 1998, 2000, 2001, 2004, 2005,
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Copyright (C) 1987, 1988, 1993, 1995, 1997, 1998, 2000, 2001, 2004, 2005,
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2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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|
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This file is part of GCC.
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This file is part of GCC.
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|
|
GCC is free software; you can redistribute it and/or modify it under
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GCC is free software; you can redistribute it and/or modify it under
|
the terms of the GNU General Public License as published by the Free
|
the terms of the GNU General Public License as published by the Free
|
Software Foundation; either version 3, or (at your option) any later
|
Software Foundation; either version 3, or (at your option) any later
|
version.
|
version.
|
|
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
for more details.
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for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with GCC; see the file COPYING3. If not see
|
along with GCC; see the file COPYING3. If not see
|
. */
|
. */
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|
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|
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/* For tcc_references, tcc_expression, tcc_comparison, tcc_unary,
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/* For tcc_references, tcc_expression, tcc_comparison, tcc_unary,
|
tcc_binary, and tcc_statement nodes, which use struct tree_exp, the
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tcc_binary, and tcc_statement nodes, which use struct tree_exp, the
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4th element is the number of argument slots to allocate. This
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4th element is the number of argument slots to allocate. This
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determines the size of the tree node object. Other nodes use
|
determines the size of the tree node object. Other nodes use
|
different structures, and the size is determined by the tree_union
|
different structures, and the size is determined by the tree_union
|
member structure; the 4th element should be zero. Languages that
|
member structure; the 4th element should be zero. Languages that
|
define language-specific tcc_exceptional or tcc_constant codes must
|
define language-specific tcc_exceptional or tcc_constant codes must
|
define the tree_size langhook to say how big they are.
|
define the tree_size langhook to say how big they are.
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|
|
These tree codes have been sorted so that the macros in tree.h that
|
These tree codes have been sorted so that the macros in tree.h that
|
check for various tree codes are optimized into range checks. This
|
check for various tree codes are optimized into range checks. This
|
gives a measurable performance improvement. When adding a new
|
gives a measurable performance improvement. When adding a new
|
code, consider its placement in relation to the other codes. */
|
code, consider its placement in relation to the other codes. */
|
|
|
/* Any erroneous construct is parsed into a node of this type.
|
/* Any erroneous construct is parsed into a node of this type.
|
This type of node is accepted without complaint in all contexts
|
This type of node is accepted without complaint in all contexts
|
by later parsing activities, to avoid multiple error messages
|
by later parsing activities, to avoid multiple error messages
|
for one error.
|
for one error.
|
No fields in these nodes are used except the TREE_CODE. */
|
No fields in these nodes are used except the TREE_CODE. */
|
DEFTREECODE (ERROR_MARK, "error_mark", tcc_exceptional, 0)
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DEFTREECODE (ERROR_MARK, "error_mark", tcc_exceptional, 0)
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|
|
/* Used to represent a name (such as, in the DECL_NAME of a decl node).
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/* Used to represent a name (such as, in the DECL_NAME of a decl node).
|
Internally it looks like a STRING_CST node.
|
Internally it looks like a STRING_CST node.
|
There is only one IDENTIFIER_NODE ever made for any particular name.
|
There is only one IDENTIFIER_NODE ever made for any particular name.
|
Use `get_identifier' to get it (or create it, the first time). */
|
Use `get_identifier' to get it (or create it, the first time). */
|
DEFTREECODE (IDENTIFIER_NODE, "identifier_node", tcc_exceptional, 0)
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DEFTREECODE (IDENTIFIER_NODE, "identifier_node", tcc_exceptional, 0)
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|
|
/* Has the TREE_VALUE and TREE_PURPOSE fields. */
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/* Has the TREE_VALUE and TREE_PURPOSE fields. */
|
/* These nodes are made into lists by chaining through the
|
/* These nodes are made into lists by chaining through the
|
TREE_CHAIN field. The elements of the list live in the
|
TREE_CHAIN field. The elements of the list live in the
|
TREE_VALUE fields, while TREE_PURPOSE fields are occasionally
|
TREE_VALUE fields, while TREE_PURPOSE fields are occasionally
|
used as well to get the effect of Lisp association lists. */
|
used as well to get the effect of Lisp association lists. */
|
DEFTREECODE (TREE_LIST, "tree_list", tcc_exceptional, 0)
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DEFTREECODE (TREE_LIST, "tree_list", tcc_exceptional, 0)
|
|
|
/* These nodes contain an array of tree nodes. */
|
/* These nodes contain an array of tree nodes. */
|
DEFTREECODE (TREE_VEC, "tree_vec", tcc_exceptional, 0)
|
DEFTREECODE (TREE_VEC, "tree_vec", tcc_exceptional, 0)
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|
|
/* A symbol binding block. These are arranged in a tree,
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/* A symbol binding block. These are arranged in a tree,
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where the BLOCK_SUBBLOCKS field contains a chain of subblocks
|
where the BLOCK_SUBBLOCKS field contains a chain of subblocks
|
chained through the BLOCK_CHAIN field.
|
chained through the BLOCK_CHAIN field.
|
BLOCK_SUPERCONTEXT points to the parent block.
|
BLOCK_SUPERCONTEXT points to the parent block.
|
For a block which represents the outermost scope of a function, it
|
For a block which represents the outermost scope of a function, it
|
points to the FUNCTION_DECL node.
|
points to the FUNCTION_DECL node.
|
BLOCK_VARS points to a chain of decl nodes.
|
BLOCK_VARS points to a chain of decl nodes.
|
BLOCK_CHAIN points to the next BLOCK at the same level.
|
BLOCK_CHAIN points to the next BLOCK at the same level.
|
BLOCK_ABSTRACT_ORIGIN points to the original (abstract) tree node which
|
BLOCK_ABSTRACT_ORIGIN points to the original (abstract) tree node which
|
this block is an instance of, or else is NULL to indicate that this
|
this block is an instance of, or else is NULL to indicate that this
|
block is not an instance of anything else. When non-NULL, the value
|
block is not an instance of anything else. When non-NULL, the value
|
could either point to another BLOCK node or it could point to a
|
could either point to another BLOCK node or it could point to a
|
FUNCTION_DECL node (e.g. in the case of a block representing the
|
FUNCTION_DECL node (e.g. in the case of a block representing the
|
outermost scope of a particular inlining of a function).
|
outermost scope of a particular inlining of a function).
|
BLOCK_ABSTRACT is nonzero if the block represents an abstract
|
BLOCK_ABSTRACT is nonzero if the block represents an abstract
|
instance of a block (i.e. one which is nested within an abstract
|
instance of a block (i.e. one which is nested within an abstract
|
instance of an inline function).
|
instance of an inline function).
|
TREE_ASM_WRITTEN is nonzero if the block was actually referenced
|
TREE_ASM_WRITTEN is nonzero if the block was actually referenced
|
in the generated assembly. */
|
in the generated assembly. */
|
DEFTREECODE (BLOCK, "block", tcc_exceptional, 0)
|
DEFTREECODE (BLOCK, "block", tcc_exceptional, 0)
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|
|
/* Each data type is represented by a tree node whose code is one of
|
/* Each data type is represented by a tree node whose code is one of
|
the following: */
|
the following: */
|
/* Each node that represents a data type has a component TYPE_SIZE
|
/* Each node that represents a data type has a component TYPE_SIZE
|
containing a tree that is an expression for the size in bits.
|
containing a tree that is an expression for the size in bits.
|
The TYPE_MODE contains the machine mode for values of this type.
|
The TYPE_MODE contains the machine mode for values of this type.
|
The TYPE_POINTER_TO field contains a type for a pointer to this type,
|
The TYPE_POINTER_TO field contains a type for a pointer to this type,
|
or zero if no such has been created yet.
|
or zero if no such has been created yet.
|
The TYPE_NEXT_VARIANT field is used to chain together types
|
The TYPE_NEXT_VARIANT field is used to chain together types
|
that are variants made by type modifiers such as "const" and "volatile".
|
that are variants made by type modifiers such as "const" and "volatile".
|
The TYPE_MAIN_VARIANT field, in any member of such a chain,
|
The TYPE_MAIN_VARIANT field, in any member of such a chain,
|
points to the start of the chain.
|
points to the start of the chain.
|
The TYPE_NAME field contains info on the name used in the program
|
The TYPE_NAME field contains info on the name used in the program
|
for this type (for GDB symbol table output). It is either a
|
for this type (for GDB symbol table output). It is either a
|
TYPE_DECL node, for types that are typedefs, or an IDENTIFIER_NODE
|
TYPE_DECL node, for types that are typedefs, or an IDENTIFIER_NODE
|
in the case of structs, unions or enums that are known with a tag,
|
in the case of structs, unions or enums that are known with a tag,
|
or zero for types that have no special name.
|
or zero for types that have no special name.
|
The TYPE_CONTEXT for any sort of type which could have a name or
|
The TYPE_CONTEXT for any sort of type which could have a name or
|
which could have named members (e.g. tagged types in C/C++) will
|
which could have named members (e.g. tagged types in C/C++) will
|
point to the node which represents the scope of the given type, or
|
point to the node which represents the scope of the given type, or
|
will be NULL_TREE if the type has "file scope". For most types, this
|
will be NULL_TREE if the type has "file scope". For most types, this
|
will point to a BLOCK node or a FUNCTION_DECL node, but it could also
|
will point to a BLOCK node or a FUNCTION_DECL node, but it could also
|
point to a FUNCTION_TYPE node (for types whose scope is limited to the
|
point to a FUNCTION_TYPE node (for types whose scope is limited to the
|
formal parameter list of some function type specification) or it
|
formal parameter list of some function type specification) or it
|
could point to a RECORD_TYPE, UNION_TYPE or QUAL_UNION_TYPE node
|
could point to a RECORD_TYPE, UNION_TYPE or QUAL_UNION_TYPE node
|
(for C++ "member" types).
|
(for C++ "member" types).
|
For non-tagged-types, TYPE_CONTEXT need not be set to anything in
|
For non-tagged-types, TYPE_CONTEXT need not be set to anything in
|
particular, since any type which is of some type category (e.g.
|
particular, since any type which is of some type category (e.g.
|
an array type or a function type) which cannot either have a name
|
an array type or a function type) which cannot either have a name
|
itself or have named members doesn't really have a "scope" per se.
|
itself or have named members doesn't really have a "scope" per se.
|
The TREE_CHAIN field is used as a forward-references to names for
|
The TREE_CHAIN field is used as a forward-references to names for
|
ENUMERAL_TYPE, RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE nodes;
|
ENUMERAL_TYPE, RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE nodes;
|
see below. */
|
see below. */
|
|
|
/* The ordering of the following codes is optimized for the checking
|
/* The ordering of the following codes is optimized for the checking
|
macros in tree.h. Changing the order will degrade the speed of the
|
macros in tree.h. Changing the order will degrade the speed of the
|
compiler. OFFSET_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, INTEGER_TYPE,
|
compiler. OFFSET_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, INTEGER_TYPE,
|
REAL_TYPE, POINTER_TYPE. */
|
REAL_TYPE, POINTER_TYPE. */
|
|
|
/* An offset is a pointer relative to an object.
|
/* An offset is a pointer relative to an object.
|
The TREE_TYPE field is the type of the object at the offset.
|
The TREE_TYPE field is the type of the object at the offset.
|
The TYPE_OFFSET_BASETYPE points to the node for the type of object
|
The TYPE_OFFSET_BASETYPE points to the node for the type of object
|
that the offset is relative to. */
|
that the offset is relative to. */
|
DEFTREECODE (OFFSET_TYPE, "offset_type", tcc_type, 0)
|
DEFTREECODE (OFFSET_TYPE, "offset_type", tcc_type, 0)
|
|
|
/* C enums. The type node looks just like an INTEGER_TYPE node.
|
/* C enums. The type node looks just like an INTEGER_TYPE node.
|
The symbols for the values of the enum type are defined by
|
The symbols for the values of the enum type are defined by
|
CONST_DECL nodes, but the type does not point to them;
|
CONST_DECL nodes, but the type does not point to them;
|
however, the TYPE_VALUES is a list in which each element's TREE_PURPOSE
|
however, the TYPE_VALUES is a list in which each element's TREE_PURPOSE
|
is a name and the TREE_VALUE is the value (an INTEGER_CST node). */
|
is a name and the TREE_VALUE is the value (an INTEGER_CST node). */
|
/* A forward reference `enum foo' when no enum named foo is defined yet
|
/* A forward reference `enum foo' when no enum named foo is defined yet
|
has zero (a null pointer) in its TYPE_SIZE. The tag name is in
|
has zero (a null pointer) in its TYPE_SIZE. The tag name is in
|
the TYPE_NAME field. If the type is later defined, the normal
|
the TYPE_NAME field. If the type is later defined, the normal
|
fields are filled in.
|
fields are filled in.
|
RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE forward refs are
|
RECORD_TYPE, UNION_TYPE, and QUAL_UNION_TYPE forward refs are
|
treated similarly. */
|
treated similarly. */
|
DEFTREECODE (ENUMERAL_TYPE, "enumeral_type", tcc_type, 0)
|
DEFTREECODE (ENUMERAL_TYPE, "enumeral_type", tcc_type, 0)
|
|
|
/* Boolean type (true or false are the only values). Looks like an
|
/* Boolean type (true or false are the only values). Looks like an
|
INTEGRAL_TYPE. */
|
INTEGRAL_TYPE. */
|
DEFTREECODE (BOOLEAN_TYPE, "boolean_type", tcc_type, 0)
|
DEFTREECODE (BOOLEAN_TYPE, "boolean_type", tcc_type, 0)
|
|
|
/* Integer types in all languages, including char in C.
|
/* Integer types in all languages, including char in C.
|
Also used for sub-ranges of other discrete types.
|
Also used for sub-ranges of other discrete types.
|
Has components TYPE_MIN_VALUE, TYPE_MAX_VALUE (expressions, inclusive)
|
Has components TYPE_MIN_VALUE, TYPE_MAX_VALUE (expressions, inclusive)
|
and TYPE_PRECISION (number of bits used by this type).
|
and TYPE_PRECISION (number of bits used by this type).
|
In the case of a subrange type in Pascal, the TREE_TYPE
|
In the case of a subrange type in Pascal, the TREE_TYPE
|
of this will point at the supertype (another INTEGER_TYPE,
|
of this will point at the supertype (another INTEGER_TYPE,
|
or an ENUMERAL_TYPE or BOOLEAN_TYPE).
|
or an ENUMERAL_TYPE or BOOLEAN_TYPE).
|
Otherwise, the TREE_TYPE is zero. */
|
Otherwise, the TREE_TYPE is zero. */
|
DEFTREECODE (INTEGER_TYPE, "integer_type", tcc_type, 0)
|
DEFTREECODE (INTEGER_TYPE, "integer_type", tcc_type, 0)
|
|
|
/* C's float and double. Different floating types are distinguished
|
/* C's float and double. Different floating types are distinguished
|
by machine mode and by the TYPE_SIZE and the TYPE_PRECISION. */
|
by machine mode and by the TYPE_SIZE and the TYPE_PRECISION. */
|
DEFTREECODE (REAL_TYPE, "real_type", tcc_type, 0)
|
DEFTREECODE (REAL_TYPE, "real_type", tcc_type, 0)
|
|
|
/* The ordering of the following codes is optimized for the checking
|
/* The ordering of the following codes is optimized for the checking
|
macros in tree.h. Changing the order will degrade the speed of the
|
macros in tree.h. Changing the order will degrade the speed of the
|
compiler. POINTER_TYPE, REFERENCE_TYPE. Note that this range
|
compiler. POINTER_TYPE, REFERENCE_TYPE. Note that this range
|
overlaps the previous range of ordered types. */
|
overlaps the previous range of ordered types. */
|
|
|
/* All pointer-to-x types have code POINTER_TYPE.
|
/* All pointer-to-x types have code POINTER_TYPE.
|
The TREE_TYPE points to the node for the type pointed to. */
|
The TREE_TYPE points to the node for the type pointed to. */
|
DEFTREECODE (POINTER_TYPE, "pointer_type", tcc_type, 0)
|
DEFTREECODE (POINTER_TYPE, "pointer_type", tcc_type, 0)
|
|
|
/* _Fract and _Accum types in Embedded-C. Different fixed-point types
|
/* _Fract and _Accum types in Embedded-C. Different fixed-point types
|
are distinguished by machine mode and by the TYPE_SIZE and the
|
are distinguished by machine mode and by the TYPE_SIZE and the
|
TYPE_PRECISION. */
|
TYPE_PRECISION. */
|
DEFTREECODE (FIXED_POINT_TYPE, "fixed_point_type", tcc_type, 0)
|
DEFTREECODE (FIXED_POINT_TYPE, "fixed_point_type", tcc_type, 0)
|
|
|
/* A reference is like a pointer except that it is coerced
|
/* A reference is like a pointer except that it is coerced
|
automatically to the value it points to. Used in C++. */
|
automatically to the value it points to. Used in C++. */
|
DEFTREECODE (REFERENCE_TYPE, "reference_type", tcc_type, 0)
|
DEFTREECODE (REFERENCE_TYPE, "reference_type", tcc_type, 0)
|
|
|
/* The ordering of the following codes is optimized for the checking
|
/* The ordering of the following codes is optimized for the checking
|
macros in tree.h. Changing the order will degrade the speed of the
|
macros in tree.h. Changing the order will degrade the speed of the
|
compiler. COMPLEX_TYPE, VECTOR_TYPE, ARRAY_TYPE. */
|
compiler. COMPLEX_TYPE, VECTOR_TYPE, ARRAY_TYPE. */
|
|
|
/* Complex number types. The TREE_TYPE field is the data type
|
/* Complex number types. The TREE_TYPE field is the data type
|
of the real and imaginary parts. It must be of scalar
|
of the real and imaginary parts. It must be of scalar
|
arithmetic type, not including pointer type. */
|
arithmetic type, not including pointer type. */
|
DEFTREECODE (COMPLEX_TYPE, "complex_type", tcc_type, 0)
|
DEFTREECODE (COMPLEX_TYPE, "complex_type", tcc_type, 0)
|
|
|
/* Vector types. The TREE_TYPE field is the data type of the vector
|
/* Vector types. The TREE_TYPE field is the data type of the vector
|
elements. The TYPE_PRECISION field is the number of subparts of
|
elements. The TYPE_PRECISION field is the number of subparts of
|
the vector. */
|
the vector. */
|
DEFTREECODE (VECTOR_TYPE, "vector_type", tcc_type, 0)
|
DEFTREECODE (VECTOR_TYPE, "vector_type", tcc_type, 0)
|
|
|
/* The ordering of the following codes is optimized for the checking
|
/* The ordering of the following codes is optimized for the checking
|
macros in tree.h. Changing the order will degrade the speed of the
|
macros in tree.h. Changing the order will degrade the speed of the
|
compiler. ARRAY_TYPE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE.
|
compiler. ARRAY_TYPE, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE.
|
Note that this range overlaps the previous range. */
|
Note that this range overlaps the previous range. */
|
|
|
/* Types of arrays. Special fields:
|
/* Types of arrays. Special fields:
|
TREE_TYPE Type of an array element.
|
TREE_TYPE Type of an array element.
|
TYPE_DOMAIN Type to index by.
|
TYPE_DOMAIN Type to index by.
|
Its range of values specifies the array length.
|
Its range of values specifies the array length.
|
The field TYPE_POINTER_TO (TREE_TYPE (array_type)) is always nonzero
|
The field TYPE_POINTER_TO (TREE_TYPE (array_type)) is always nonzero
|
and holds the type to coerce a value of that array type to in C.
|
and holds the type to coerce a value of that array type to in C.
|
TYPE_STRING_FLAG indicates a string (in contrast to an array of chars)
|
TYPE_STRING_FLAG indicates a string (in contrast to an array of chars)
|
in languages (such as Chill) that make a distinction. */
|
in languages (such as Chill) that make a distinction. */
|
/* Array types in C or Pascal */
|
/* Array types in C or Pascal */
|
DEFTREECODE (ARRAY_TYPE, "array_type", tcc_type, 0)
|
DEFTREECODE (ARRAY_TYPE, "array_type", tcc_type, 0)
|
|
|
/* Struct in C, or record in Pascal. */
|
/* Struct in C, or record in Pascal. */
|
/* Special fields:
|
/* Special fields:
|
TYPE_FIELDS chain of FIELD_DECLs for the fields of the struct,
|
TYPE_FIELDS chain of FIELD_DECLs for the fields of the struct,
|
and VAR_DECLs, TYPE_DECLs and CONST_DECLs for record-scope variables,
|
and VAR_DECLs, TYPE_DECLs and CONST_DECLs for record-scope variables,
|
types and enumerators.
|
types and enumerators.
|
A few may need to be added for Pascal. */
|
A few may need to be added for Pascal. */
|
/* See the comment above, before ENUMERAL_TYPE, for how
|
/* See the comment above, before ENUMERAL_TYPE, for how
|
forward references to struct tags are handled in C. */
|
forward references to struct tags are handled in C. */
|
DEFTREECODE (RECORD_TYPE, "record_type", tcc_type, 0)
|
DEFTREECODE (RECORD_TYPE, "record_type", tcc_type, 0)
|
|
|
/* Union in C. Like a struct, except that the offsets of the fields
|
/* Union in C. Like a struct, except that the offsets of the fields
|
will all be zero. */
|
will all be zero. */
|
/* See the comment above, before ENUMERAL_TYPE, for how
|
/* See the comment above, before ENUMERAL_TYPE, for how
|
forward references to union tags are handled in C. */
|
forward references to union tags are handled in C. */
|
DEFTREECODE (UNION_TYPE, "union_type", tcc_type, 0) /* C union type */
|
DEFTREECODE (UNION_TYPE, "union_type", tcc_type, 0) /* C union type */
|
|
|
/* Similar to UNION_TYPE, except that the expressions in DECL_QUALIFIER
|
/* Similar to UNION_TYPE, except that the expressions in DECL_QUALIFIER
|
in each FIELD_DECL determine what the union contains. The first
|
in each FIELD_DECL determine what the union contains. The first
|
field whose DECL_QUALIFIER expression is true is deemed to occupy
|
field whose DECL_QUALIFIER expression is true is deemed to occupy
|
the union. */
|
the union. */
|
DEFTREECODE (QUAL_UNION_TYPE, "qual_union_type", tcc_type, 0)
|
DEFTREECODE (QUAL_UNION_TYPE, "qual_union_type", tcc_type, 0)
|
|
|
/* The ordering of the following codes is optimized for the checking
|
/* The ordering of the following codes is optimized for the checking
|
macros in tree.h. Changing the order will degrade the speed of the
|
macros in tree.h. Changing the order will degrade the speed of the
|
compiler. VOID_TYPE, FUNCTION_TYPE, METHOD_TYPE. */
|
compiler. VOID_TYPE, FUNCTION_TYPE, METHOD_TYPE. */
|
|
|
/* The void type in C */
|
/* The void type in C */
|
DEFTREECODE (VOID_TYPE, "void_type", tcc_type, 0)
|
DEFTREECODE (VOID_TYPE, "void_type", tcc_type, 0)
|
|
|
/* Type of functions. Special fields:
|
/* Type of functions. Special fields:
|
TREE_TYPE type of value returned.
|
TREE_TYPE type of value returned.
|
TYPE_ARG_TYPES list of types of arguments expected.
|
TYPE_ARG_TYPES list of types of arguments expected.
|
this list is made of TREE_LIST nodes.
|
this list is made of TREE_LIST nodes.
|
Types of "Procedures" in languages where they are different from functions
|
Types of "Procedures" in languages where they are different from functions
|
have code FUNCTION_TYPE also, but then TREE_TYPE is zero or void type. */
|
have code FUNCTION_TYPE also, but then TREE_TYPE is zero or void type. */
|
DEFTREECODE (FUNCTION_TYPE, "function_type", tcc_type, 0)
|
DEFTREECODE (FUNCTION_TYPE, "function_type", tcc_type, 0)
|
|
|
/* METHOD_TYPE is the type of a function which takes an extra first
|
/* METHOD_TYPE is the type of a function which takes an extra first
|
argument for "self", which is not present in the declared argument list.
|
argument for "self", which is not present in the declared argument list.
|
The TREE_TYPE is the return type of the method. The TYPE_METHOD_BASETYPE
|
The TREE_TYPE is the return type of the method. The TYPE_METHOD_BASETYPE
|
is the type of "self". TYPE_ARG_TYPES is the real argument list, which
|
is the type of "self". TYPE_ARG_TYPES is the real argument list, which
|
includes the hidden argument for "self". */
|
includes the hidden argument for "self". */
|
DEFTREECODE (METHOD_TYPE, "method_type", tcc_type, 0)
|
DEFTREECODE (METHOD_TYPE, "method_type", tcc_type, 0)
|
|
|
/* This is a language-specific kind of type.
|
/* This is a language-specific kind of type.
|
Its meaning is defined by the language front end.
|
Its meaning is defined by the language front end.
|
layout_type does not know how to lay this out,
|
layout_type does not know how to lay this out,
|
so the front-end must do so manually. */
|
so the front-end must do so manually. */
|
DEFTREECODE (LANG_TYPE, "lang_type", tcc_type, 0)
|
DEFTREECODE (LANG_TYPE, "lang_type", tcc_type, 0)
|
|
|
/* Expressions */
|
/* Expressions */
|
|
|
/* First, the constants. */
|
/* First, the constants. */
|
|
|
/* Contents are in TREE_INT_CST_LOW and TREE_INT_CST_HIGH fields,
|
/* Contents are in TREE_INT_CST_LOW and TREE_INT_CST_HIGH fields,
|
32 bits each, giving us a 64 bit constant capability. INTEGER_CST
|
32 bits each, giving us a 64 bit constant capability. INTEGER_CST
|
nodes can be shared, and therefore should be considered read only.
|
nodes can be shared, and therefore should be considered read only.
|
They should be copied, before setting a flag such as TREE_OVERFLOW.
|
They should be copied, before setting a flag such as TREE_OVERFLOW.
|
If an INTEGER_CST has TREE_OVERFLOW already set, it is known to be unique.
|
If an INTEGER_CST has TREE_OVERFLOW already set, it is known to be unique.
|
INTEGER_CST nodes are created for the integral types, for pointer
|
INTEGER_CST nodes are created for the integral types, for pointer
|
types and for vector and float types in some circumstances. */
|
types and for vector and float types in some circumstances. */
|
DEFTREECODE (INTEGER_CST, "integer_cst", tcc_constant, 0)
|
DEFTREECODE (INTEGER_CST, "integer_cst", tcc_constant, 0)
|
|
|
/* Contents are in TREE_REAL_CST field. */
|
/* Contents are in TREE_REAL_CST field. */
|
DEFTREECODE (REAL_CST, "real_cst", tcc_constant, 0)
|
DEFTREECODE (REAL_CST, "real_cst", tcc_constant, 0)
|
|
|
/* Contents are in TREE_FIXED_CST field. */
|
/* Contents are in TREE_FIXED_CST field. */
|
DEFTREECODE (FIXED_CST, "fixed_cst", tcc_constant, 0)
|
DEFTREECODE (FIXED_CST, "fixed_cst", tcc_constant, 0)
|
|
|
/* Contents are in TREE_REALPART and TREE_IMAGPART fields,
|
/* Contents are in TREE_REALPART and TREE_IMAGPART fields,
|
whose contents are other constant nodes. */
|
whose contents are other constant nodes. */
|
DEFTREECODE (COMPLEX_CST, "complex_cst", tcc_constant, 0)
|
DEFTREECODE (COMPLEX_CST, "complex_cst", tcc_constant, 0)
|
|
|
/* Contents are in TREE_VECTOR_CST_ELTS field. */
|
/* Contents are in TREE_VECTOR_CST_ELTS field. */
|
DEFTREECODE (VECTOR_CST, "vector_cst", tcc_constant, 0)
|
DEFTREECODE (VECTOR_CST, "vector_cst", tcc_constant, 0)
|
|
|
/* Contents are TREE_STRING_LENGTH and the actual contents of the string. */
|
/* Contents are TREE_STRING_LENGTH and the actual contents of the string. */
|
DEFTREECODE (STRING_CST, "string_cst", tcc_constant, 0)
|
DEFTREECODE (STRING_CST, "string_cst", tcc_constant, 0)
|
|
|
/* Declarations. All references to names are represented as ..._DECL
|
/* Declarations. All references to names are represented as ..._DECL
|
nodes. The decls in one binding context are chained through the
|
nodes. The decls in one binding context are chained through the
|
TREE_CHAIN field. Each DECL has a DECL_NAME field which contains
|
TREE_CHAIN field. Each DECL has a DECL_NAME field which contains
|
an IDENTIFIER_NODE. (Some decls, most often labels, may have zero
|
an IDENTIFIER_NODE. (Some decls, most often labels, may have zero
|
as the DECL_NAME). DECL_CONTEXT points to the node representing
|
as the DECL_NAME). DECL_CONTEXT points to the node representing
|
the context in which this declaration has its scope. For
|
the context in which this declaration has its scope. For
|
FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
|
FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
|
QUAL_UNION_TYPE node that the field is a member of. For VAR_DECL,
|
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
|
PARM_DECL, FUNCTION_DECL, LABEL_DECL, and CONST_DECL nodes, this
|
points to either the FUNCTION_DECL for the containing function, the
|
points to either the FUNCTION_DECL for the containing function, the
|
RECORD_TYPE or UNION_TYPE for the containing type, or NULL_TREE or
|
RECORD_TYPE or UNION_TYPE for the containing type, or NULL_TREE or
|
a TRANSLATION_UNIT_DECL if the given decl has "file scope".
|
a TRANSLATION_UNIT_DECL if the given decl has "file scope".
|
DECL_ABSTRACT_ORIGIN, if non-NULL, points to the original (abstract)
|
DECL_ABSTRACT_ORIGIN, if non-NULL, points to the original (abstract)
|
..._DECL node of which this decl is an (inlined or template expanded)
|
..._DECL node of which this decl is an (inlined or template expanded)
|
instance.
|
instance.
|
The TREE_TYPE field holds the data type of the object, when relevant.
|
The TREE_TYPE field holds the data type of the object, when relevant.
|
LABEL_DECLs have no data type. For TYPE_DECL, the TREE_TYPE field
|
LABEL_DECLs have no data type. For TYPE_DECL, the TREE_TYPE field
|
contents are the type whose name is being declared.
|
contents are the type whose name is being declared.
|
The DECL_ALIGN, DECL_SIZE,
|
The DECL_ALIGN, DECL_SIZE,
|
and DECL_MODE fields exist in decl nodes just as in type nodes.
|
and DECL_MODE fields exist in decl nodes just as in type nodes.
|
They are unused in LABEL_DECL, TYPE_DECL and CONST_DECL nodes.
|
They are unused in LABEL_DECL, TYPE_DECL and CONST_DECL nodes.
|
|
|
DECL_FIELD_BIT_OFFSET holds an integer number of bits offset for
|
DECL_FIELD_BIT_OFFSET holds an integer number of bits offset for
|
the location. DECL_VOFFSET holds an expression for a variable
|
the location. DECL_VOFFSET holds an expression for a variable
|
offset; it is to be multiplied by DECL_VOFFSET_UNIT (an integer).
|
offset; it is to be multiplied by DECL_VOFFSET_UNIT (an integer).
|
These fields are relevant only in FIELD_DECLs and PARM_DECLs.
|
These fields are relevant only in FIELD_DECLs and PARM_DECLs.
|
|
|
DECL_INITIAL holds the value to initialize a variable to,
|
DECL_INITIAL holds the value to initialize a variable to,
|
or the value of a constant. For a function, it holds the body
|
or the value of a constant. For a function, it holds the body
|
(a node of type BLOCK representing the function's binding contour
|
(a node of type BLOCK representing the function's binding contour
|
and whose body contains the function's statements.) For a LABEL_DECL
|
and whose body contains the function's statements.) For a LABEL_DECL
|
in C, it is a flag, nonzero if the label's definition has been seen.
|
in C, it is a flag, nonzero if the label's definition has been seen.
|
|
|
PARM_DECLs use a special field:
|
PARM_DECLs use a special field:
|
DECL_ARG_TYPE is the type in which the argument is actually
|
DECL_ARG_TYPE is the type in which the argument is actually
|
passed, which may be different from its type within the function.
|
passed, which may be different from its type within the function.
|
|
|
FUNCTION_DECLs use four special fields:
|
FUNCTION_DECLs use four special fields:
|
DECL_ARGUMENTS holds a chain of PARM_DECL nodes for the arguments.
|
DECL_ARGUMENTS holds a chain of PARM_DECL nodes for the arguments.
|
DECL_RESULT holds a RESULT_DECL node for the value of a function.
|
DECL_RESULT holds a RESULT_DECL node for the value of a function.
|
The DECL_RTL field is 0 for a function that returns no value.
|
The DECL_RTL field is 0 for a function that returns no value.
|
(C functions returning void have zero here.)
|
(C functions returning void have zero here.)
|
The TREE_TYPE field is the type in which the result is actually
|
The TREE_TYPE field is the type in which the result is actually
|
returned. This is usually the same as the return type of the
|
returned. This is usually the same as the return type of the
|
FUNCTION_DECL, but it may be a wider integer type because of
|
FUNCTION_DECL, but it may be a wider integer type because of
|
promotion.
|
promotion.
|
DECL_FUNCTION_CODE is a code number that is nonzero for
|
DECL_FUNCTION_CODE is a code number that is nonzero for
|
built-in functions. Its value is an enum built_in_function
|
built-in functions. Its value is an enum built_in_function
|
that says which built-in function it is.
|
that says which built-in function it is.
|
|
|
DECL_SOURCE_FILE holds a filename string and DECL_SOURCE_LINE
|
DECL_SOURCE_FILE holds a filename string and DECL_SOURCE_LINE
|
holds a line number. In some cases these can be the location of
|
holds a line number. In some cases these can be the location of
|
a reference, if no definition has been seen.
|
a reference, if no definition has been seen.
|
|
|
DECL_ABSTRACT is nonzero if the decl represents an abstract instance
|
DECL_ABSTRACT is nonzero if the decl represents an abstract instance
|
of a decl (i.e. one which is nested within an abstract instance of a
|
of a decl (i.e. one which is nested within an abstract instance of a
|
inline function. */
|
inline function. */
|
|
|
DEFTREECODE (FUNCTION_DECL, "function_decl", tcc_declaration, 0)
|
DEFTREECODE (FUNCTION_DECL, "function_decl", tcc_declaration, 0)
|
DEFTREECODE (LABEL_DECL, "label_decl", tcc_declaration, 0)
|
DEFTREECODE (LABEL_DECL, "label_decl", tcc_declaration, 0)
|
/* The ordering of the following codes is optimized for the checking
|
/* The ordering of the following codes is optimized for the checking
|
macros in tree.h. Changing the order will degrade the speed of the
|
macros in tree.h. Changing the order will degrade the speed of the
|
compiler. FIELD_DECL, VAR_DECL, CONST_DECL, PARM_DECL,
|
compiler. FIELD_DECL, VAR_DECL, CONST_DECL, PARM_DECL,
|
TYPE_DECL. */
|
TYPE_DECL. */
|
DEFTREECODE (FIELD_DECL, "field_decl", tcc_declaration, 0)
|
DEFTREECODE (FIELD_DECL, "field_decl", tcc_declaration, 0)
|
DEFTREECODE (VAR_DECL, "var_decl", tcc_declaration, 0)
|
DEFTREECODE (VAR_DECL, "var_decl", tcc_declaration, 0)
|
DEFTREECODE (CONST_DECL, "const_decl", tcc_declaration, 0)
|
DEFTREECODE (CONST_DECL, "const_decl", tcc_declaration, 0)
|
DEFTREECODE (PARM_DECL, "parm_decl", tcc_declaration, 0)
|
DEFTREECODE (PARM_DECL, "parm_decl", tcc_declaration, 0)
|
DEFTREECODE (TYPE_DECL, "type_decl", tcc_declaration, 0)
|
DEFTREECODE (TYPE_DECL, "type_decl", tcc_declaration, 0)
|
DEFTREECODE (RESULT_DECL, "result_decl", tcc_declaration, 0)
|
DEFTREECODE (RESULT_DECL, "result_decl", tcc_declaration, 0)
|
|
|
/* A "declaration" of a debug temporary. It should only appear in
|
/* A "declaration" of a debug temporary. It should only appear in
|
DEBUG stmts. */
|
DEBUG stmts. */
|
DEFTREECODE (DEBUG_EXPR_DECL, "debug_expr_decl", tcc_declaration, 0)
|
DEFTREECODE (DEBUG_EXPR_DECL, "debug_expr_decl", tcc_declaration, 0)
|
|
|
/* A namespace declaration. Namespaces appear in DECL_CONTEXT of other
|
/* A namespace declaration. Namespaces appear in DECL_CONTEXT of other
|
_DECLs, providing a hierarchy of names. */
|
_DECLs, providing a hierarchy of names. */
|
DEFTREECODE (NAMESPACE_DECL, "namespace_decl", tcc_declaration, 0)
|
DEFTREECODE (NAMESPACE_DECL, "namespace_decl", tcc_declaration, 0)
|
|
|
/* A declaration import.
|
/* A declaration import.
|
The C++ FE uses this to represent a using-directive; eg:
|
The C++ FE uses this to represent a using-directive; eg:
|
"using namespace foo".
|
"using namespace foo".
|
But it could be used to represent any declaration import construct.
|
But it could be used to represent any declaration import construct.
|
Whenever a declaration import appears in a lexical block, the BLOCK node
|
Whenever a declaration import appears in a lexical block, the BLOCK node
|
representing that lexical block in GIMPLE will contain an IMPORTED_DECL
|
representing that lexical block in GIMPLE will contain an IMPORTED_DECL
|
node, linked via BLOCK_VARS accessor of the said BLOCK.
|
node, linked via BLOCK_VARS accessor of the said BLOCK.
|
For a given NODE which code is IMPORTED_DECL,
|
For a given NODE which code is IMPORTED_DECL,
|
IMPORTED_DECL_ASSOCIATED_DECL (NODE) accesses the imported declaration. */
|
IMPORTED_DECL_ASSOCIATED_DECL (NODE) accesses the imported declaration. */
|
DEFTREECODE (IMPORTED_DECL, "imported_decl", tcc_declaration, 0)
|
DEFTREECODE (IMPORTED_DECL, "imported_decl", tcc_declaration, 0)
|
|
|
/* A translation unit. This is not technically a declaration, since it
|
/* A translation unit. This is not technically a declaration, since it
|
can't be looked up, but it's close enough. */
|
can't be looked up, but it's close enough. */
|
DEFTREECODE (TRANSLATION_UNIT_DECL, "translation_unit_decl",\
|
DEFTREECODE (TRANSLATION_UNIT_DECL, "translation_unit_decl",\
|
tcc_declaration, 0)
|
tcc_declaration, 0)
|
|
|
/* References to storage. */
|
/* References to storage. */
|
|
|
/* The ordering of the following codes is optimized for the classification
|
/* The ordering of the following codes is optimized for the classification
|
in handled_component_p. Keep them in a consecutive group. */
|
in handled_component_p. Keep them in a consecutive group. */
|
|
|
/* Value is structure or union component.
|
/* Value is structure or union component.
|
Operand 0 is the structure or union (an expression).
|
Operand 0 is the structure or union (an expression).
|
Operand 1 is the field (a node of type FIELD_DECL).
|
Operand 1 is the field (a node of type FIELD_DECL).
|
Operand 2, if present, is the value of DECL_FIELD_OFFSET, measured
|
Operand 2, if present, is the value of DECL_FIELD_OFFSET, measured
|
in units of DECL_OFFSET_ALIGN / BITS_PER_UNIT. */
|
in units of DECL_OFFSET_ALIGN / BITS_PER_UNIT. */
|
DEFTREECODE (COMPONENT_REF, "component_ref", tcc_reference, 3)
|
DEFTREECODE (COMPONENT_REF, "component_ref", tcc_reference, 3)
|
|
|
/* Reference to a group of bits within an object. Similar to COMPONENT_REF
|
/* Reference to a group of bits within an object. Similar to COMPONENT_REF
|
except the position is given explicitly rather than via a FIELD_DECL.
|
except the position is given explicitly rather than via a FIELD_DECL.
|
Operand 0 is the structure or union expression;
|
Operand 0 is the structure or union expression;
|
operand 1 is a tree giving the constant number of bits being referenced;
|
operand 1 is a tree giving the constant number of bits being referenced;
|
operand 2 is a tree giving the constant position of the first referenced bit.
|
operand 2 is a tree giving the constant position of the first referenced bit.
|
The result type width has to match the number of bits referenced.
|
The result type width has to match the number of bits referenced.
|
If the result type is integral, its signedness specifies how it is extended
|
If the result type is integral, its signedness specifies how it is extended
|
to its mode width. */
|
to its mode width. */
|
DEFTREECODE (BIT_FIELD_REF, "bit_field_ref", tcc_reference, 3)
|
DEFTREECODE (BIT_FIELD_REF, "bit_field_ref", tcc_reference, 3)
|
|
|
/* Used only on an operand of complex type, these return
|
/* Used only on an operand of complex type, these return
|
a value of the corresponding component type. */
|
a value of the corresponding component type. */
|
DEFTREECODE (REALPART_EXPR, "realpart_expr", tcc_reference, 1)
|
DEFTREECODE (REALPART_EXPR, "realpart_expr", tcc_reference, 1)
|
DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", tcc_reference, 1)
|
DEFTREECODE (IMAGPART_EXPR, "imagpart_expr", tcc_reference, 1)
|
|
|
/* Array indexing.
|
/* Array indexing.
|
Operand 0 is the array; operand 1 is a (single) array index.
|
Operand 0 is the array; operand 1 is a (single) array index.
|
Operand 2, if present, is a copy of TYPE_MIN_VALUE of the index.
|
Operand 2, if present, is a copy of TYPE_MIN_VALUE of the index.
|
Operand 3, if present, is the element size, measured in units of
|
Operand 3, if present, is the element size, measured in units of
|
the alignment of the element type. */
|
the alignment of the element type. */
|
DEFTREECODE (ARRAY_REF, "array_ref", tcc_reference, 4)
|
DEFTREECODE (ARRAY_REF, "array_ref", tcc_reference, 4)
|
|
|
/* Likewise, except that the result is a range ("slice") of the array. The
|
/* Likewise, except that the result is a range ("slice") of the array. The
|
starting index of the resulting array is taken from operand 1 and the size
|
starting index of the resulting array is taken from operand 1 and the size
|
of the range is taken from the type of the expression. */
|
of the range is taken from the type of the expression. */
|
DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", tcc_reference, 4)
|
DEFTREECODE (ARRAY_RANGE_REF, "array_range_ref", tcc_reference, 4)
|
|
|
/* The ordering of the following codes is optimized for the checking
|
/* The ordering of the following codes is optimized for the checking
|
macros in tree.h. Changing the order will degrade the speed of the
|
macros in tree.h. Changing the order will degrade the speed of the
|
compiler. INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF. */
|
compiler. INDIRECT_REF, ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF. */
|
|
|
/* C unary `*' or Pascal `^'. One operand, an expression for a pointer. */
|
/* C unary `*' or Pascal `^'. One operand, an expression for a pointer. */
|
DEFTREECODE (INDIRECT_REF, "indirect_ref", tcc_reference, 1)
|
DEFTREECODE (INDIRECT_REF, "indirect_ref", tcc_reference, 1)
|
|
|
/* Like above, but aligns the referenced address (i.e, if the address
|
/* Like above, but aligns the referenced address (i.e, if the address
|
in P is not aligned on TYPE_ALIGN boundary, then &(*P) != P). */
|
in P is not aligned on TYPE_ALIGN boundary, then &(*P) != P). */
|
DEFTREECODE (ALIGN_INDIRECT_REF, "align_indirect_ref", tcc_reference, 1)
|
DEFTREECODE (ALIGN_INDIRECT_REF, "align_indirect_ref", tcc_reference, 1)
|
|
|
/* Same as INDIRECT_REF, but also specifies the alignment of the referenced
|
/* Same as INDIRECT_REF, but also specifies the alignment of the referenced
|
address:
|
address:
|
Operand 0 is the referenced address (a pointer);
|
Operand 0 is the referenced address (a pointer);
|
Operand 1 is an INTEGER_CST which represents the alignment of the address,
|
Operand 1 is an INTEGER_CST which represents the alignment of the address,
|
or 0 if the alignment is unknown. */
|
or 0 if the alignment is unknown. */
|
DEFTREECODE (MISALIGNED_INDIRECT_REF, "misaligned_indirect_ref", tcc_reference, 2)
|
DEFTREECODE (MISALIGNED_INDIRECT_REF, "misaligned_indirect_ref", tcc_reference, 2)
|
|
|
/* Used to represent lookup of runtime type dependent data. Often this is
|
/* Used to represent lookup of runtime type dependent data. Often this is
|
a reference to a vtable, but it needn't be. Operands are:
|
a reference to a vtable, but it needn't be. Operands are:
|
OBJ_TYPE_REF_EXPR: An expression that evaluates the value to use.
|
OBJ_TYPE_REF_EXPR: An expression that evaluates the value to use.
|
OBJ_TYPE_REF_OBJECT: Is the object on whose behalf the lookup is
|
OBJ_TYPE_REF_OBJECT: Is the object on whose behalf the lookup is
|
being performed. Through this the optimizers may be able to statically
|
being performed. Through this the optimizers may be able to statically
|
determine the dynamic type of the object.
|
determine the dynamic type of the object.
|
OBJ_TYPE_REF_TOKEN: Something front-end specific used to resolve the
|
OBJ_TYPE_REF_TOKEN: Something front-end specific used to resolve the
|
reference to something simpler, usually to the address of a DECL.
|
reference to something simpler, usually to the address of a DECL.
|
Never touched by the middle-end. Good choices would be either an
|
Never touched by the middle-end. Good choices would be either an
|
identifier or a vtable index. */
|
identifier or a vtable index. */
|
DEFTREECODE (OBJ_TYPE_REF, "obj_type_ref", tcc_expression, 3)
|
DEFTREECODE (OBJ_TYPE_REF, "obj_type_ref", tcc_expression, 3)
|
|
|
/* Constructor: return an aggregate value made from specified components.
|
/* Constructor: return an aggregate value made from specified components.
|
In C, this is used only for structure and array initializers.
|
In C, this is used only for structure and array initializers.
|
The operand is a sequence of component values made out of a VEC of
|
The operand is a sequence of component values made out of a VEC of
|
struct constructor_elt.
|
struct constructor_elt.
|
|
|
For ARRAY_TYPE:
|
For ARRAY_TYPE:
|
The field INDEX of each constructor_elt is the corresponding index.
|
The field INDEX of each constructor_elt is the corresponding index.
|
If the index is a RANGE_EXPR, it is a short-hand for many nodes,
|
If the index is a RANGE_EXPR, it is a short-hand for many nodes,
|
one for each index in the range. (If the corresponding field VALUE
|
one for each index in the range. (If the corresponding field VALUE
|
has side-effects, they are evaluated once for each element. Wrap the
|
has side-effects, they are evaluated once for each element. Wrap the
|
value in a SAVE_EXPR if you want to evaluate side effects only once.)
|
value in a SAVE_EXPR if you want to evaluate side effects only once.)
|
|
|
For RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE:
|
For RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE:
|
The field INDEX of each node is a FIELD_DECL. */
|
The field INDEX of each node is a FIELD_DECL. */
|
DEFTREECODE (CONSTRUCTOR, "constructor", tcc_exceptional, 0)
|
DEFTREECODE (CONSTRUCTOR, "constructor", tcc_exceptional, 0)
|
|
|
/* The expression types are mostly straightforward, with the fourth argument
|
/* The expression types are mostly straightforward, with the fourth argument
|
of DEFTREECODE saying how many operands there are.
|
of DEFTREECODE saying how many operands there are.
|
Unless otherwise specified, the operands are expressions and the
|
Unless otherwise specified, the operands are expressions and the
|
types of all the operands and the expression must all be the same. */
|
types of all the operands and the expression must all be the same. */
|
|
|
/* Contains two expressions to compute, one followed by the other.
|
/* Contains two expressions to compute, one followed by the other.
|
the first value is ignored. The second one's value is used. The
|
the first value is ignored. The second one's value is used. The
|
type of the first expression need not agree with the other types. */
|
type of the first expression need not agree with the other types. */
|
DEFTREECODE (COMPOUND_EXPR, "compound_expr", tcc_expression, 2)
|
DEFTREECODE (COMPOUND_EXPR, "compound_expr", tcc_expression, 2)
|
|
|
/* Assignment expression. Operand 0 is the what to set; 1, the new value. */
|
/* Assignment expression. Operand 0 is the what to set; 1, the new value. */
|
DEFTREECODE (MODIFY_EXPR, "modify_expr", tcc_expression, 2)
|
DEFTREECODE (MODIFY_EXPR, "modify_expr", tcc_expression, 2)
|
|
|
/* Initialization expression. Operand 0 is the variable to initialize;
|
/* Initialization expression. Operand 0 is the variable to initialize;
|
Operand 1 is the initializer. This differs from MODIFY_EXPR in that any
|
Operand 1 is the initializer. This differs from MODIFY_EXPR in that any
|
reference to the referent of operand 0 within operand 1 is undefined. */
|
reference to the referent of operand 0 within operand 1 is undefined. */
|
DEFTREECODE (INIT_EXPR, "init_expr", tcc_expression, 2)
|
DEFTREECODE (INIT_EXPR, "init_expr", tcc_expression, 2)
|
|
|
/* For TARGET_EXPR, operand 0 is the target of an initialization,
|
/* For TARGET_EXPR, operand 0 is the target of an initialization,
|
operand 1 is the initializer for the target, which may be void
|
operand 1 is the initializer for the target, which may be void
|
if simply expanding it initializes the target.
|
if simply expanding it initializes the target.
|
operand 2 is the cleanup for this node, if any.
|
operand 2 is the cleanup for this node, if any.
|
operand 3 is the saved initializer after this node has been
|
operand 3 is the saved initializer after this node has been
|
expanded once; this is so we can re-expand the tree later. */
|
expanded once; this is so we can re-expand the tree later. */
|
DEFTREECODE (TARGET_EXPR, "target_expr", tcc_expression, 4)
|
DEFTREECODE (TARGET_EXPR, "target_expr", tcc_expression, 4)
|
|
|
/* Conditional expression ( ... ? ... : ... in C).
|
/* Conditional expression ( ... ? ... : ... in C).
|
Operand 0 is the condition.
|
Operand 0 is the condition.
|
Operand 1 is the then-value.
|
Operand 1 is the then-value.
|
Operand 2 is the else-value.
|
Operand 2 is the else-value.
|
Operand 0 may be of any type.
|
Operand 0 may be of any type.
|
Operand 1 must have the same type as the entire expression, unless
|
Operand 1 must have the same type as the entire expression, unless
|
it unconditionally throws an exception, in which case it should
|
it unconditionally throws an exception, in which case it should
|
have VOID_TYPE. The same constraints apply to operand 2. The
|
have VOID_TYPE. The same constraints apply to operand 2. The
|
condition in operand 0 must be of integral type.
|
condition in operand 0 must be of integral type.
|
|
|
In cfg gimple, if you do not have a selection expression, operands
|
In cfg gimple, if you do not have a selection expression, operands
|
1 and 2 are NULL. The operands are then taken from the cfg edges. */
|
1 and 2 are NULL. The operands are then taken from the cfg edges. */
|
DEFTREECODE (COND_EXPR, "cond_expr", tcc_expression, 3)
|
DEFTREECODE (COND_EXPR, "cond_expr", tcc_expression, 3)
|
|
|
/* Vector conditional expression. It is like COND_EXPR, but with
|
/* Vector conditional expression. It is like COND_EXPR, but with
|
vector operands.
|
vector operands.
|
|
|
A = VEC_COND_EXPR ( X < Y, B, C)
|
A = VEC_COND_EXPR ( X < Y, B, C)
|
|
|
means
|
means
|
|
|
for (i=0; i
|
for (i=0; i
|
A[i] = X[i] < Y[i] ? B[i] : C[i];
|
A[i] = X[i] < Y[i] ? B[i] : C[i];
|
*/
|
*/
|
DEFTREECODE (VEC_COND_EXPR, "vec_cond_expr", tcc_expression, 3)
|
DEFTREECODE (VEC_COND_EXPR, "vec_cond_expr", tcc_expression, 3)
|
|
|
/* Declare local variables, including making RTL and allocating space.
|
/* Declare local variables, including making RTL and allocating space.
|
BIND_EXPR_VARS is a chain of VAR_DECL nodes for the variables.
|
BIND_EXPR_VARS is a chain of VAR_DECL nodes for the variables.
|
BIND_EXPR_BODY is the body, the expression to be computed using
|
BIND_EXPR_BODY is the body, the expression to be computed using
|
the variables. The value of operand 1 becomes that of the BIND_EXPR.
|
the variables. The value of operand 1 becomes that of the BIND_EXPR.
|
BIND_EXPR_BLOCK is the BLOCK that corresponds to these bindings
|
BIND_EXPR_BLOCK is the BLOCK that corresponds to these bindings
|
for debugging purposes. If this BIND_EXPR is actually expanded,
|
for debugging purposes. If this BIND_EXPR is actually expanded,
|
that sets the TREE_USED flag in the BLOCK.
|
that sets the TREE_USED flag in the BLOCK.
|
|
|
The BIND_EXPR is not responsible for informing parsers
|
The BIND_EXPR is not responsible for informing parsers
|
about these variables. If the body is coming from the input file,
|
about these variables. If the body is coming from the input file,
|
then the code that creates the BIND_EXPR is also responsible for
|
then the code that creates the BIND_EXPR is also responsible for
|
informing the parser of the variables.
|
informing the parser of the variables.
|
|
|
If the BIND_EXPR is ever expanded, its TREE_USED flag is set.
|
If the BIND_EXPR is ever expanded, its TREE_USED flag is set.
|
This tells the code for debugging symbol tables not to ignore the BIND_EXPR.
|
This tells the code for debugging symbol tables not to ignore the BIND_EXPR.
|
If the BIND_EXPR should be output for debugging but will not be expanded,
|
If the BIND_EXPR should be output for debugging but will not be expanded,
|
set the TREE_USED flag by hand.
|
set the TREE_USED flag by hand.
|
|
|
In order for the BIND_EXPR to be known at all, the code that creates it
|
In order for the BIND_EXPR to be known at all, the code that creates it
|
must also install it as a subblock in the tree of BLOCK
|
must also install it as a subblock in the tree of BLOCK
|
nodes for the function. */
|
nodes for the function. */
|
DEFTREECODE (BIND_EXPR, "bind_expr", tcc_expression, 3)
|
DEFTREECODE (BIND_EXPR, "bind_expr", tcc_expression, 3)
|
|
|
/* Function call. CALL_EXPRs are represented by variably-sized expression
|
/* Function call. CALL_EXPRs are represented by variably-sized expression
|
nodes. There are at least three fixed operands. Operand 0 is an
|
nodes. There are at least three fixed operands. Operand 0 is an
|
INTEGER_CST node containing the total operand count, the number of
|
INTEGER_CST node containing the total operand count, the number of
|
arguments plus 3. Operand 1 is the function, while operand 2 is
|
arguments plus 3. Operand 1 is the function, while operand 2 is
|
is static chain argument, or NULL. The remaining operands are the
|
is static chain argument, or NULL. The remaining operands are the
|
arguments to the call. */
|
arguments to the call. */
|
DEFTREECODE (CALL_EXPR, "call_expr", tcc_vl_exp, 3)
|
DEFTREECODE (CALL_EXPR, "call_expr", tcc_vl_exp, 3)
|
|
|
/* Specify a value to compute along with its corresponding cleanup.
|
/* Specify a value to compute along with its corresponding cleanup.
|
Operand 0 is the cleanup expression.
|
Operand 0 is the cleanup expression.
|
The cleanup is executed by the first enclosing CLEANUP_POINT_EXPR,
|
The cleanup is executed by the first enclosing CLEANUP_POINT_EXPR,
|
which must exist. This differs from TRY_CATCH_EXPR in that operand 1
|
which must exist. This differs from TRY_CATCH_EXPR in that operand 1
|
is always evaluated when cleanups are run. */
|
is always evaluated when cleanups are run. */
|
DEFTREECODE (WITH_CLEANUP_EXPR, "with_cleanup_expr", tcc_expression, 1)
|
DEFTREECODE (WITH_CLEANUP_EXPR, "with_cleanup_expr", tcc_expression, 1)
|
|
|
/* Specify a cleanup point.
|
/* Specify a cleanup point.
|
Operand 0 is an expression that may have cleanups. If it does, those
|
Operand 0 is an expression that may have cleanups. If it does, those
|
cleanups are executed after the expression is expanded.
|
cleanups are executed after the expression is expanded.
|
|
|
Note that if the expression is a reference to storage, it is forced out
|
Note that if the expression is a reference to storage, it is forced out
|
of memory before the cleanups are run. This is necessary to handle
|
of memory before the cleanups are run. This is necessary to handle
|
cases where the cleanups modify the storage referenced; in the
|
cases where the cleanups modify the storage referenced; in the
|
expression 't.i', if 't' is a struct with an integer member 'i' and a
|
expression 't.i', if 't' is a struct with an integer member 'i' and a
|
cleanup which modifies 'i', the value of the expression depends on
|
cleanup which modifies 'i', the value of the expression depends on
|
whether the cleanup is run before or after 't.i' is evaluated. When
|
whether the cleanup is run before or after 't.i' is evaluated. When
|
expand_expr is run on 't.i', it returns a MEM. This is not good enough;
|
expand_expr is run on 't.i', it returns a MEM. This is not good enough;
|
the value of 't.i' must be forced out of memory.
|
the value of 't.i' must be forced out of memory.
|
|
|
As a consequence, the operand of a CLEANUP_POINT_EXPR must not have
|
As a consequence, the operand of a CLEANUP_POINT_EXPR must not have
|
BLKmode, because it will not be forced out of memory. */
|
BLKmode, because it will not be forced out of memory. */
|
DEFTREECODE (CLEANUP_POINT_EXPR, "cleanup_point_expr", tcc_expression, 1)
|
DEFTREECODE (CLEANUP_POINT_EXPR, "cleanup_point_expr", tcc_expression, 1)
|
|
|
/* The following code is used in languages that have types where some
|
/* The following code is used in languages that have types where some
|
field in an object of the type contains a value that is used in the
|
field in an object of the type contains a value that is used in the
|
computation of another field's offset or size and/or the size of the
|
computation of another field's offset or size and/or the size of the
|
type. The positions and/or sizes of fields can vary from object to
|
type. The positions and/or sizes of fields can vary from object to
|
object of the same type or even for one and the same object within
|
object of the same type or even for one and the same object within
|
its scope.
|
its scope.
|
|
|
Record types with discriminants in Ada or schema types in Pascal are
|
Record types with discriminants in Ada or schema types in Pascal are
|
examples of such types. This mechanism is also used to create "fat
|
examples of such types. This mechanism is also used to create "fat
|
pointers" for unconstrained array types in Ada; the fat pointer is a
|
pointers" for unconstrained array types in Ada; the fat pointer is a
|
structure one of whose fields is a pointer to the actual array type
|
structure one of whose fields is a pointer to the actual array type
|
and the other field is a pointer to a template, which is a structure
|
and the other field is a pointer to a template, which is a structure
|
containing the bounds of the array. The bounds in the type pointed
|
containing the bounds of the array. The bounds in the type pointed
|
to by the first field in the fat pointer refer to the values in the
|
to by the first field in the fat pointer refer to the values in the
|
template.
|
template.
|
|
|
When you wish to construct such a type you need "self-references"
|
When you wish to construct such a type you need "self-references"
|
that allow you to reference the object having this type from the
|
that allow you to reference the object having this type from the
|
TYPE node, i.e. without having a variable instantiating this type.
|
TYPE node, i.e. without having a variable instantiating this type.
|
|
|
Such a "self-references" is done using a PLACEHOLDER_EXPR. This is
|
Such a "self-references" is done using a PLACEHOLDER_EXPR. This is
|
a node that will later be replaced with the object being referenced.
|
a node that will later be replaced with the object being referenced.
|
Its type is that of the object and selects which object to use from
|
Its type is that of the object and selects which object to use from
|
a chain of references (see below). No other slots are used in the
|
a chain of references (see below). No other slots are used in the
|
PLACEHOLDER_EXPR.
|
PLACEHOLDER_EXPR.
|
|
|
For example, if your type FOO is a RECORD_TYPE with a field BAR,
|
For example, if your type FOO is a RECORD_TYPE with a field BAR,
|
and you need the value of .BAR to calculate TYPE_SIZE
|
and you need the value of .BAR to calculate TYPE_SIZE
|
(FOO), just substitute above with a PLACEHOLDER_EXPR
|
(FOO), just substitute above with a PLACEHOLDER_EXPR
|
whose TREE_TYPE is FOO. Then construct your COMPONENT_REF with
|
whose TREE_TYPE is FOO. Then construct your COMPONENT_REF with
|
the PLACEHOLDER_EXPR as the first operand (which has the correct
|
the PLACEHOLDER_EXPR as the first operand (which has the correct
|
type). Later, when the size is needed in the program, the back-end
|
type). Later, when the size is needed in the program, the back-end
|
will find this PLACEHOLDER_EXPR and generate code to calculate the
|
will find this PLACEHOLDER_EXPR and generate code to calculate the
|
actual size at run-time. In the following, we describe how this
|
actual size at run-time. In the following, we describe how this
|
calculation is done.
|
calculation is done.
|
|
|
When we wish to evaluate a size or offset, we check whether it contains a
|
When we wish to evaluate a size or offset, we check whether it contains a
|
PLACEHOLDER_EXPR. If it does, we call substitute_placeholder_in_expr
|
PLACEHOLDER_EXPR. If it does, we call substitute_placeholder_in_expr
|
passing both that tree and an expression within which the object may be
|
passing both that tree and an expression within which the object may be
|
found. The latter expression is the object itself in the simple case of
|
found. The latter expression is the object itself in the simple case of
|
an Ada record with discriminant, but it can be the array in the case of an
|
an Ada record with discriminant, but it can be the array in the case of an
|
unconstrained array.
|
unconstrained array.
|
|
|
In the latter case, we need the fat pointer, because the bounds of
|
In the latter case, we need the fat pointer, because the bounds of
|
the array can only be accessed from it. However, we rely here on the
|
the array can only be accessed from it. However, we rely here on the
|
fact that the expression for the array contains the dereference of
|
fact that the expression for the array contains the dereference of
|
the fat pointer that obtained the array pointer. */
|
the fat pointer that obtained the array pointer. */
|
|
|
/* Denotes a record to later be substituted before evaluating this expression.
|
/* Denotes a record to later be substituted before evaluating this expression.
|
The type of this expression is used to find the record to replace it. */
|
The type of this expression is used to find the record to replace it. */
|
DEFTREECODE (PLACEHOLDER_EXPR, "placeholder_expr", tcc_exceptional, 0)
|
DEFTREECODE (PLACEHOLDER_EXPR, "placeholder_expr", tcc_exceptional, 0)
|
|
|
/* Simple arithmetic. */
|
/* Simple arithmetic. */
|
DEFTREECODE (PLUS_EXPR, "plus_expr", tcc_binary, 2)
|
DEFTREECODE (PLUS_EXPR, "plus_expr", tcc_binary, 2)
|
DEFTREECODE (MINUS_EXPR, "minus_expr", tcc_binary, 2)
|
DEFTREECODE (MINUS_EXPR, "minus_expr", tcc_binary, 2)
|
DEFTREECODE (MULT_EXPR, "mult_expr", tcc_binary, 2)
|
DEFTREECODE (MULT_EXPR, "mult_expr", tcc_binary, 2)
|
|
|
/* Pointer addition. The first operand is always a pointer and the
|
/* Pointer addition. The first operand is always a pointer and the
|
second operand is an integer of type sizetype. */
|
second operand is an integer of type sizetype. */
|
DEFTREECODE (POINTER_PLUS_EXPR, "pointer_plus_expr", tcc_binary, 2)
|
DEFTREECODE (POINTER_PLUS_EXPR, "pointer_plus_expr", tcc_binary, 2)
|
|
|
/* Division for integer result that rounds the quotient toward zero. */
|
/* Division for integer result that rounds the quotient toward zero. */
|
DEFTREECODE (TRUNC_DIV_EXPR, "trunc_div_expr", tcc_binary, 2)
|
DEFTREECODE (TRUNC_DIV_EXPR, "trunc_div_expr", tcc_binary, 2)
|
|
|
/* Division for integer result that rounds the quotient toward infinity. */
|
/* Division for integer result that rounds the quotient toward infinity. */
|
DEFTREECODE (CEIL_DIV_EXPR, "ceil_div_expr", tcc_binary, 2)
|
DEFTREECODE (CEIL_DIV_EXPR, "ceil_div_expr", tcc_binary, 2)
|
|
|
/* Division for integer result that rounds toward minus infinity. */
|
/* Division for integer result that rounds toward minus infinity. */
|
DEFTREECODE (FLOOR_DIV_EXPR, "floor_div_expr", tcc_binary, 2)
|
DEFTREECODE (FLOOR_DIV_EXPR, "floor_div_expr", tcc_binary, 2)
|
|
|
/* Division for integer result that rounds toward nearest integer. */
|
/* Division for integer result that rounds toward nearest integer. */
|
DEFTREECODE (ROUND_DIV_EXPR, "round_div_expr", tcc_binary, 2)
|
DEFTREECODE (ROUND_DIV_EXPR, "round_div_expr", tcc_binary, 2)
|
|
|
/* Four kinds of remainder that go with the four kinds of division. */
|
/* Four kinds of remainder that go with the four kinds of division. */
|
DEFTREECODE (TRUNC_MOD_EXPR, "trunc_mod_expr", tcc_binary, 2)
|
DEFTREECODE (TRUNC_MOD_EXPR, "trunc_mod_expr", tcc_binary, 2)
|
DEFTREECODE (CEIL_MOD_EXPR, "ceil_mod_expr", tcc_binary, 2)
|
DEFTREECODE (CEIL_MOD_EXPR, "ceil_mod_expr", tcc_binary, 2)
|
DEFTREECODE (FLOOR_MOD_EXPR, "floor_mod_expr", tcc_binary, 2)
|
DEFTREECODE (FLOOR_MOD_EXPR, "floor_mod_expr", tcc_binary, 2)
|
DEFTREECODE (ROUND_MOD_EXPR, "round_mod_expr", tcc_binary, 2)
|
DEFTREECODE (ROUND_MOD_EXPR, "round_mod_expr", tcc_binary, 2)
|
|
|
/* Division for real result. */
|
/* Division for real result. */
|
DEFTREECODE (RDIV_EXPR, "rdiv_expr", tcc_binary, 2)
|
DEFTREECODE (RDIV_EXPR, "rdiv_expr", tcc_binary, 2)
|
|
|
/* Division which is not supposed to need rounding.
|
/* Division which is not supposed to need rounding.
|
Used for pointer subtraction in C. */
|
Used for pointer subtraction in C. */
|
DEFTREECODE (EXACT_DIV_EXPR, "exact_div_expr", tcc_binary, 2)
|
DEFTREECODE (EXACT_DIV_EXPR, "exact_div_expr", tcc_binary, 2)
|
|
|
/* Conversion of real to fixed point by truncation. */
|
/* Conversion of real to fixed point by truncation. */
|
DEFTREECODE (FIX_TRUNC_EXPR, "fix_trunc_expr", tcc_unary, 1)
|
DEFTREECODE (FIX_TRUNC_EXPR, "fix_trunc_expr", tcc_unary, 1)
|
|
|
/* Conversion of an integer to a real. */
|
/* Conversion of an integer to a real. */
|
DEFTREECODE (FLOAT_EXPR, "float_expr", tcc_unary, 1)
|
DEFTREECODE (FLOAT_EXPR, "float_expr", tcc_unary, 1)
|
|
|
/* Unary negation. */
|
/* Unary negation. */
|
DEFTREECODE (NEGATE_EXPR, "negate_expr", tcc_unary, 1)
|
DEFTREECODE (NEGATE_EXPR, "negate_expr", tcc_unary, 1)
|
|
|
/* Minimum and maximum values. When used with floating point, if both
|
/* Minimum and maximum values. When used with floating point, if both
|
operands are zeros, or if either operand is NaN, then it is unspecified
|
operands are zeros, or if either operand is NaN, then it is unspecified
|
which of the two operands is returned as the result. */
|
which of the two operands is returned as the result. */
|
DEFTREECODE (MIN_EXPR, "min_expr", tcc_binary, 2)
|
DEFTREECODE (MIN_EXPR, "min_expr", tcc_binary, 2)
|
DEFTREECODE (MAX_EXPR, "max_expr", tcc_binary, 2)
|
DEFTREECODE (MAX_EXPR, "max_expr", tcc_binary, 2)
|
|
|
/* Represents the absolute value of the operand.
|
/* Represents the absolute value of the operand.
|
|
|
An ABS_EXPR must have either an INTEGER_TYPE or a REAL_TYPE. The
|
An ABS_EXPR must have either an INTEGER_TYPE or a REAL_TYPE. The
|
operand of the ABS_EXPR must have the same type. */
|
operand of the ABS_EXPR must have the same type. */
|
DEFTREECODE (ABS_EXPR, "abs_expr", tcc_unary, 1)
|
DEFTREECODE (ABS_EXPR, "abs_expr", tcc_unary, 1)
|
|
|
/* Shift operations for shift and rotate.
|
/* Shift operations for shift and rotate.
|
Shift means logical shift if done on an
|
Shift means logical shift if done on an
|
unsigned type, arithmetic shift if done on a signed type.
|
unsigned type, arithmetic shift if done on a signed type.
|
The second operand is the number of bits to
|
The second operand is the number of bits to
|
shift by; it need not be the same type as the first operand and result.
|
shift by; it need not be the same type as the first operand and result.
|
Note that the result is undefined if the second operand is larger
|
Note that the result is undefined if the second operand is larger
|
than or equal to the first operand's type size.
|
than or equal to the first operand's type size.
|
|
|
The first operand of a shift can have either an integer or a
|
The first operand of a shift can have either an integer or a
|
(non-integer) fixed-point type. We follow the ISO/IEC TR 18037:2004
|
(non-integer) fixed-point type. We follow the ISO/IEC TR 18037:2004
|
semantics for the latter.
|
semantics for the latter.
|
|
|
Rotates are defined for integer types only. */
|
Rotates are defined for integer types only. */
|
DEFTREECODE (LSHIFT_EXPR, "lshift_expr", tcc_binary, 2)
|
DEFTREECODE (LSHIFT_EXPR, "lshift_expr", tcc_binary, 2)
|
DEFTREECODE (RSHIFT_EXPR, "rshift_expr", tcc_binary, 2)
|
DEFTREECODE (RSHIFT_EXPR, "rshift_expr", tcc_binary, 2)
|
DEFTREECODE (LROTATE_EXPR, "lrotate_expr", tcc_binary, 2)
|
DEFTREECODE (LROTATE_EXPR, "lrotate_expr", tcc_binary, 2)
|
DEFTREECODE (RROTATE_EXPR, "rrotate_expr", tcc_binary, 2)
|
DEFTREECODE (RROTATE_EXPR, "rrotate_expr", tcc_binary, 2)
|
|
|
/* Bitwise operations. Operands have same mode as result. */
|
/* Bitwise operations. Operands have same mode as result. */
|
DEFTREECODE (BIT_IOR_EXPR, "bit_ior_expr", tcc_binary, 2)
|
DEFTREECODE (BIT_IOR_EXPR, "bit_ior_expr", tcc_binary, 2)
|
DEFTREECODE (BIT_XOR_EXPR, "bit_xor_expr", tcc_binary, 2)
|
DEFTREECODE (BIT_XOR_EXPR, "bit_xor_expr", tcc_binary, 2)
|
DEFTREECODE (BIT_AND_EXPR, "bit_and_expr", tcc_binary, 2)
|
DEFTREECODE (BIT_AND_EXPR, "bit_and_expr", tcc_binary, 2)
|
DEFTREECODE (BIT_NOT_EXPR, "bit_not_expr", tcc_unary, 1)
|
DEFTREECODE (BIT_NOT_EXPR, "bit_not_expr", tcc_unary, 1)
|
|
|
/* ANDIF and ORIF allow the second operand not to be computed if the
|
/* ANDIF and ORIF allow the second operand not to be computed if the
|
value of the expression is determined from the first operand. AND,
|
value of the expression is determined from the first operand. AND,
|
OR, and XOR always compute the second operand whether its value is
|
OR, and XOR always compute the second operand whether its value is
|
needed or not (for side effects). The operand may have
|
needed or not (for side effects). The operand may have
|
BOOLEAN_TYPE or INTEGER_TYPE. In either case, the argument will be
|
BOOLEAN_TYPE or INTEGER_TYPE. In either case, the argument will be
|
either zero or one. For example, a TRUTH_NOT_EXPR will never have
|
either zero or one. For example, a TRUTH_NOT_EXPR will never have
|
an INTEGER_TYPE VAR_DECL as its argument; instead, a NE_EXPR will be
|
an INTEGER_TYPE VAR_DECL as its argument; instead, a NE_EXPR will be
|
used to compare the VAR_DECL to zero, thereby obtaining a node with
|
used to compare the VAR_DECL to zero, thereby obtaining a node with
|
value zero or one. */
|
value zero or one. */
|
DEFTREECODE (TRUTH_ANDIF_EXPR, "truth_andif_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_ANDIF_EXPR, "truth_andif_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_ORIF_EXPR, "truth_orif_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_ORIF_EXPR, "truth_orif_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_AND_EXPR, "truth_and_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_AND_EXPR, "truth_and_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_OR_EXPR, "truth_or_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_OR_EXPR, "truth_or_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_XOR_EXPR, "truth_xor_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_XOR_EXPR, "truth_xor_expr", tcc_expression, 2)
|
DEFTREECODE (TRUTH_NOT_EXPR, "truth_not_expr", tcc_expression, 1)
|
DEFTREECODE (TRUTH_NOT_EXPR, "truth_not_expr", tcc_expression, 1)
|
|
|
/* Relational operators.
|
/* Relational operators.
|
`EQ_EXPR' and `NE_EXPR' are allowed for any types.
|
`EQ_EXPR' and `NE_EXPR' are allowed for any types.
|
The others are allowed only for integer (or pointer or enumeral)
|
The others are allowed only for integer (or pointer or enumeral)
|
or real types.
|
or real types.
|
In all cases the operands will have the same type,
|
In all cases the operands will have the same type,
|
and the value is always the type used by the language for booleans. */
|
and the value is always the type used by the language for booleans. */
|
DEFTREECODE (LT_EXPR, "lt_expr", tcc_comparison, 2)
|
DEFTREECODE (LT_EXPR, "lt_expr", tcc_comparison, 2)
|
DEFTREECODE (LE_EXPR, "le_expr", tcc_comparison, 2)
|
DEFTREECODE (LE_EXPR, "le_expr", tcc_comparison, 2)
|
DEFTREECODE (GT_EXPR, "gt_expr", tcc_comparison, 2)
|
DEFTREECODE (GT_EXPR, "gt_expr", tcc_comparison, 2)
|
DEFTREECODE (GE_EXPR, "ge_expr", tcc_comparison, 2)
|
DEFTREECODE (GE_EXPR, "ge_expr", tcc_comparison, 2)
|
DEFTREECODE (EQ_EXPR, "eq_expr", tcc_comparison, 2)
|
DEFTREECODE (EQ_EXPR, "eq_expr", tcc_comparison, 2)
|
DEFTREECODE (NE_EXPR, "ne_expr", tcc_comparison, 2)
|
DEFTREECODE (NE_EXPR, "ne_expr", tcc_comparison, 2)
|
|
|
/* Additional relational operators for floating point unordered. */
|
/* Additional relational operators for floating point unordered. */
|
DEFTREECODE (UNORDERED_EXPR, "unordered_expr", tcc_comparison, 2)
|
DEFTREECODE (UNORDERED_EXPR, "unordered_expr", tcc_comparison, 2)
|
DEFTREECODE (ORDERED_EXPR, "ordered_expr", tcc_comparison, 2)
|
DEFTREECODE (ORDERED_EXPR, "ordered_expr", tcc_comparison, 2)
|
|
|
/* These are equivalent to unordered or ... */
|
/* These are equivalent to unordered or ... */
|
DEFTREECODE (UNLT_EXPR, "unlt_expr", tcc_comparison, 2)
|
DEFTREECODE (UNLT_EXPR, "unlt_expr", tcc_comparison, 2)
|
DEFTREECODE (UNLE_EXPR, "unle_expr", tcc_comparison, 2)
|
DEFTREECODE (UNLE_EXPR, "unle_expr", tcc_comparison, 2)
|
DEFTREECODE (UNGT_EXPR, "ungt_expr", tcc_comparison, 2)
|
DEFTREECODE (UNGT_EXPR, "ungt_expr", tcc_comparison, 2)
|
DEFTREECODE (UNGE_EXPR, "unge_expr", tcc_comparison, 2)
|
DEFTREECODE (UNGE_EXPR, "unge_expr", tcc_comparison, 2)
|
DEFTREECODE (UNEQ_EXPR, "uneq_expr", tcc_comparison, 2)
|
DEFTREECODE (UNEQ_EXPR, "uneq_expr", tcc_comparison, 2)
|
|
|
/* This is the reverse of uneq_expr. */
|
/* This is the reverse of uneq_expr. */
|
DEFTREECODE (LTGT_EXPR, "ltgt_expr", tcc_comparison, 2)
|
DEFTREECODE (LTGT_EXPR, "ltgt_expr", tcc_comparison, 2)
|
|
|
DEFTREECODE (RANGE_EXPR, "range_expr", tcc_binary, 2)
|
DEFTREECODE (RANGE_EXPR, "range_expr", tcc_binary, 2)
|
|
|
/* Represents a re-association barrier for floating point expressions
|
/* Represents a re-association barrier for floating point expressions
|
like explicit parenthesis in fortran. */
|
like explicit parenthesis in fortran. */
|
DEFTREECODE (PAREN_EXPR, "paren_expr", tcc_unary, 1)
|
DEFTREECODE (PAREN_EXPR, "paren_expr", tcc_unary, 1)
|
|
|
/* Represents a conversion of type of a value.
|
/* Represents a conversion of type of a value.
|
All conversions, including implicit ones, must be
|
All conversions, including implicit ones, must be
|
represented by CONVERT_EXPR or NOP_EXPR nodes. */
|
represented by CONVERT_EXPR or NOP_EXPR nodes. */
|
DEFTREECODE (CONVERT_EXPR, "convert_expr", tcc_unary, 1)
|
DEFTREECODE (CONVERT_EXPR, "convert_expr", tcc_unary, 1)
|
|
|
/* Conversion of a pointer value to a pointer to a different
|
/* Conversion of a pointer value to a pointer to a different
|
address space. */
|
address space. */
|
DEFTREECODE (ADDR_SPACE_CONVERT_EXPR, "addr_space_convert_expr", tcc_unary, 1)
|
DEFTREECODE (ADDR_SPACE_CONVERT_EXPR, "addr_space_convert_expr", tcc_unary, 1)
|
|
|
/* Conversion of a fixed-point value to an integer, a real, or a fixed-point
|
/* Conversion of a fixed-point value to an integer, a real, or a fixed-point
|
value. Or conversion of a fixed-point value from an integer, a real, or
|
value. Or conversion of a fixed-point value from an integer, a real, or
|
a fixed-point value. */
|
a fixed-point value. */
|
DEFTREECODE (FIXED_CONVERT_EXPR, "fixed_convert_expr", tcc_unary, 1)
|
DEFTREECODE (FIXED_CONVERT_EXPR, "fixed_convert_expr", tcc_unary, 1)
|
|
|
/* Represents a conversion expected to require no code to be generated. */
|
/* Represents a conversion expected to require no code to be generated. */
|
DEFTREECODE (NOP_EXPR, "nop_expr", tcc_unary, 1)
|
DEFTREECODE (NOP_EXPR, "nop_expr", tcc_unary, 1)
|
|
|
/* Value is same as argument, but guaranteed not an lvalue. */
|
/* Value is same as argument, but guaranteed not an lvalue. */
|
DEFTREECODE (NON_LVALUE_EXPR, "non_lvalue_expr", tcc_unary, 1)
|
DEFTREECODE (NON_LVALUE_EXPR, "non_lvalue_expr", tcc_unary, 1)
|
|
|
/* Represents viewing something of one type as being of a second type.
|
/* Represents viewing something of one type as being of a second type.
|
This corresponds to an "Unchecked Conversion" in Ada and roughly to
|
This corresponds to an "Unchecked Conversion" in Ada and roughly to
|
the idiom *(type2 *)&X in C. The only operand is the value to be
|
the idiom *(type2 *)&X in C. The only operand is the value to be
|
viewed as being of another type. It is undefined if the type of the
|
viewed as being of another type. It is undefined if the type of the
|
input and of the expression have different sizes.
|
input and of the expression have different sizes.
|
|
|
This code may also be used within the LHS of a MODIFY_EXPR, in which
|
This code may also be used within the LHS of a MODIFY_EXPR, in which
|
case no actual data motion may occur. TREE_ADDRESSABLE will be set in
|
case no actual data motion may occur. TREE_ADDRESSABLE will be set in
|
this case and GCC must abort if it could not do the operation without
|
this case and GCC must abort if it could not do the operation without
|
generating insns. */
|
generating insns. */
|
DEFTREECODE (VIEW_CONVERT_EXPR, "view_convert_expr", tcc_reference, 1)
|
DEFTREECODE (VIEW_CONVERT_EXPR, "view_convert_expr", tcc_reference, 1)
|
|
|
/* A COMPOUND_LITERAL_EXPR represents a literal that is placed in a DECL. The
|
/* A COMPOUND_LITERAL_EXPR represents a literal that is placed in a DECL. The
|
COMPOUND_LITERAL_EXPR_DECL_EXPR is the a DECL_EXPR containing the decl
|
COMPOUND_LITERAL_EXPR_DECL_EXPR is the a DECL_EXPR containing the decl
|
for the anonymous object represented by the COMPOUND_LITERAL;
|
for the anonymous object represented by the COMPOUND_LITERAL;
|
the DECL_INITIAL of that decl is the CONSTRUCTOR that initializes
|
the DECL_INITIAL of that decl is the CONSTRUCTOR that initializes
|
the compound literal. */
|
the compound literal. */
|
DEFTREECODE (COMPOUND_LITERAL_EXPR, "compound_literal_expr", tcc_expression, 1)
|
DEFTREECODE (COMPOUND_LITERAL_EXPR, "compound_literal_expr", tcc_expression, 1)
|
|
|
/* Represents something we computed once and will use multiple times.
|
/* Represents something we computed once and will use multiple times.
|
First operand is that expression. After it is evaluated once, it
|
First operand is that expression. After it is evaluated once, it
|
will be replaced by the temporary variable that holds the value. */
|
will be replaced by the temporary variable that holds the value. */
|
DEFTREECODE (SAVE_EXPR, "save_expr", tcc_expression, 1)
|
DEFTREECODE (SAVE_EXPR, "save_expr", tcc_expression, 1)
|
|
|
/* & in C. Value is the address at which the operand's value resides.
|
/* & in C. Value is the address at which the operand's value resides.
|
Operand may have any mode. Result mode is Pmode. */
|
Operand may have any mode. Result mode is Pmode. */
|
DEFTREECODE (ADDR_EXPR, "addr_expr", tcc_expression, 1)
|
DEFTREECODE (ADDR_EXPR, "addr_expr", tcc_expression, 1)
|
|
|
/* Operand0 is a function constant; result is part N of a function
|
/* Operand0 is a function constant; result is part N of a function
|
descriptor of type ptr_mode. */
|
descriptor of type ptr_mode. */
|
DEFTREECODE (FDESC_EXPR, "fdesc_expr", tcc_expression, 2)
|
DEFTREECODE (FDESC_EXPR, "fdesc_expr", tcc_expression, 2)
|
|
|
/* Given two real or integer operands of the same type,
|
/* Given two real or integer operands of the same type,
|
returns a complex value of the corresponding complex type. */
|
returns a complex value of the corresponding complex type. */
|
DEFTREECODE (COMPLEX_EXPR, "complex_expr", tcc_binary, 2)
|
DEFTREECODE (COMPLEX_EXPR, "complex_expr", tcc_binary, 2)
|
|
|
/* Complex conjugate of operand. Used only on complex types. */
|
/* Complex conjugate of operand. Used only on complex types. */
|
DEFTREECODE (CONJ_EXPR, "conj_expr", tcc_unary, 1)
|
DEFTREECODE (CONJ_EXPR, "conj_expr", tcc_unary, 1)
|
|
|
/* Nodes for ++ and -- in C.
|
/* Nodes for ++ and -- in C.
|
The second arg is how much to increment or decrement by.
|
The second arg is how much to increment or decrement by.
|
For a pointer, it would be the size of the object pointed to. */
|
For a pointer, it would be the size of the object pointed to. */
|
DEFTREECODE (PREDECREMENT_EXPR, "predecrement_expr", tcc_expression, 2)
|
DEFTREECODE (PREDECREMENT_EXPR, "predecrement_expr", tcc_expression, 2)
|
DEFTREECODE (PREINCREMENT_EXPR, "preincrement_expr", tcc_expression, 2)
|
DEFTREECODE (PREINCREMENT_EXPR, "preincrement_expr", tcc_expression, 2)
|
DEFTREECODE (POSTDECREMENT_EXPR, "postdecrement_expr", tcc_expression, 2)
|
DEFTREECODE (POSTDECREMENT_EXPR, "postdecrement_expr", tcc_expression, 2)
|
DEFTREECODE (POSTINCREMENT_EXPR, "postincrement_expr", tcc_expression, 2)
|
DEFTREECODE (POSTINCREMENT_EXPR, "postincrement_expr", tcc_expression, 2)
|
|
|
/* Used to implement `va_arg'. */
|
/* Used to implement `va_arg'. */
|
DEFTREECODE (VA_ARG_EXPR, "va_arg_expr", tcc_expression, 1)
|
DEFTREECODE (VA_ARG_EXPR, "va_arg_expr", tcc_expression, 1)
|
|
|
/* Evaluate operand 1. If and only if an exception is thrown during
|
/* Evaluate operand 1. If and only if an exception is thrown during
|
the evaluation of operand 1, evaluate operand 2.
|
the evaluation of operand 1, evaluate operand 2.
|
|
|
This differs from TRY_FINALLY_EXPR in that operand 2 is not evaluated
|
This differs from TRY_FINALLY_EXPR in that operand 2 is not evaluated
|
on a normal or jump exit, only on an exception. */
|
on a normal or jump exit, only on an exception. */
|
DEFTREECODE (TRY_CATCH_EXPR, "try_catch_expr", tcc_statement, 2)
|
DEFTREECODE (TRY_CATCH_EXPR, "try_catch_expr", tcc_statement, 2)
|
|
|
/* Evaluate the first operand.
|
/* Evaluate the first operand.
|
The second operand is a cleanup expression which is evaluated
|
The second operand is a cleanup expression which is evaluated
|
on any exit (normal, exception, or jump out) from this expression. */
|
on any exit (normal, exception, or jump out) from this expression. */
|
DEFTREECODE (TRY_FINALLY_EXPR, "try_finally", tcc_statement, 2)
|
DEFTREECODE (TRY_FINALLY_EXPR, "try_finally", tcc_statement, 2)
|
|
|
/* These types of expressions have no useful value,
|
/* These types of expressions have no useful value,
|
and always have side effects. */
|
and always have side effects. */
|
|
|
/* Used to represent a local declaration. The operand is DECL_EXPR_DECL. */
|
/* Used to represent a local declaration. The operand is DECL_EXPR_DECL. */
|
DEFTREECODE (DECL_EXPR, "decl_expr", tcc_statement, 1)
|
DEFTREECODE (DECL_EXPR, "decl_expr", tcc_statement, 1)
|
|
|
/* A label definition, encapsulated as a statement.
|
/* A label definition, encapsulated as a statement.
|
Operand 0 is the LABEL_DECL node for the label that appears here.
|
Operand 0 is the LABEL_DECL node for the label that appears here.
|
The type should be void and the value should be ignored. */
|
The type should be void and the value should be ignored. */
|
DEFTREECODE (LABEL_EXPR, "label_expr", tcc_statement, 1)
|
DEFTREECODE (LABEL_EXPR, "label_expr", tcc_statement, 1)
|
|
|
/* GOTO. Operand 0 is a LABEL_DECL node or an expression.
|
/* GOTO. Operand 0 is a LABEL_DECL node or an expression.
|
The type should be void and the value should be ignored. */
|
The type should be void and the value should be ignored. */
|
DEFTREECODE (GOTO_EXPR, "goto_expr", tcc_statement, 1)
|
DEFTREECODE (GOTO_EXPR, "goto_expr", tcc_statement, 1)
|
|
|
/* RETURN. Evaluates operand 0, then returns from the current function.
|
/* RETURN. Evaluates operand 0, then returns from the current function.
|
Presumably that operand is an assignment that stores into the
|
Presumably that operand is an assignment that stores into the
|
RESULT_DECL that hold the value to be returned.
|
RESULT_DECL that hold the value to be returned.
|
The operand may be null.
|
The operand may be null.
|
The type should be void and the value should be ignored. */
|
The type should be void and the value should be ignored. */
|
DEFTREECODE (RETURN_EXPR, "return_expr", tcc_statement, 1)
|
DEFTREECODE (RETURN_EXPR, "return_expr", tcc_statement, 1)
|
|
|
/* Exit the inner most loop conditionally. Operand 0 is the condition.
|
/* Exit the inner most loop conditionally. Operand 0 is the condition.
|
The type should be void and the value should be ignored. */
|
The type should be void and the value should be ignored. */
|
DEFTREECODE (EXIT_EXPR, "exit_expr", tcc_statement, 1)
|
DEFTREECODE (EXIT_EXPR, "exit_expr", tcc_statement, 1)
|
|
|
/* A loop. Operand 0 is the body of the loop.
|
/* A loop. Operand 0 is the body of the loop.
|
It must contain an EXIT_EXPR or is an infinite loop.
|
It must contain an EXIT_EXPR or is an infinite loop.
|
The type should be void and the value should be ignored. */
|
The type should be void and the value should be ignored. */
|
DEFTREECODE (LOOP_EXPR, "loop_expr", tcc_statement, 1)
|
DEFTREECODE (LOOP_EXPR, "loop_expr", tcc_statement, 1)
|
|
|
/* Switch expression.
|
/* Switch expression.
|
|
|
TREE_TYPE is the original type of the condition, before any
|
TREE_TYPE is the original type of the condition, before any
|
language required type conversions. It may be NULL, in which case
|
language required type conversions. It may be NULL, in which case
|
the original type and final types are assumed to be the same.
|
the original type and final types are assumed to be the same.
|
|
|
Operand 0 is the expression used to perform the branch,
|
Operand 0 is the expression used to perform the branch,
|
Operand 1 is the body of the switch, which probably contains
|
Operand 1 is the body of the switch, which probably contains
|
CASE_LABEL_EXPRs. It may also be NULL, in which case operand 2
|
CASE_LABEL_EXPRs. It may also be NULL, in which case operand 2
|
must not be NULL.
|
must not be NULL.
|
Operand 2 is either NULL_TREE or a TREE_VEC of the CASE_LABEL_EXPRs
|
Operand 2 is either NULL_TREE or a TREE_VEC of the CASE_LABEL_EXPRs
|
of all the cases. */
|
of all the cases. */
|
DEFTREECODE (SWITCH_EXPR, "switch_expr", tcc_statement, 3)
|
DEFTREECODE (SWITCH_EXPR, "switch_expr", tcc_statement, 3)
|
|
|
/* Used to represent a case label. The operands are CASE_LOW and
|
/* Used to represent a case label. The operands are CASE_LOW and
|
CASE_HIGH, respectively. If CASE_LOW is NULL_TREE, the label is a
|
CASE_HIGH, respectively. If CASE_LOW is NULL_TREE, the label is a
|
'default' label. If CASE_HIGH is NULL_TREE, the label is a normal case
|
'default' label. If CASE_HIGH is NULL_TREE, the label is a normal case
|
label. CASE_LABEL is the corresponding LABEL_DECL. */
|
label. CASE_LABEL is the corresponding LABEL_DECL. */
|
DEFTREECODE (CASE_LABEL_EXPR, "case_label_expr", tcc_statement, 3)
|
DEFTREECODE (CASE_LABEL_EXPR, "case_label_expr", tcc_statement, 3)
|
|
|
/* Used to represent an inline assembly statement. ASM_STRING returns a
|
/* Used to represent an inline assembly statement. ASM_STRING returns a
|
STRING_CST for the instruction (e.g., "mov x, y"). ASM_OUTPUTS,
|
STRING_CST for the instruction (e.g., "mov x, y"). ASM_OUTPUTS,
|
ASM_INPUTS, and ASM_CLOBBERS represent the outputs, inputs, and clobbers
|
ASM_INPUTS, and ASM_CLOBBERS represent the outputs, inputs, and clobbers
|
for the statement. ASM_LABELS, if present, indicates various destinations
|
for the statement. ASM_LABELS, if present, indicates various destinations
|
for the asm; labels cannot be combined with outputs. */
|
for the asm; labels cannot be combined with outputs. */
|
DEFTREECODE (ASM_EXPR, "asm_expr", tcc_statement, 5)
|
DEFTREECODE (ASM_EXPR, "asm_expr", tcc_statement, 5)
|
|
|
/* Variable references for SSA analysis. New SSA names are created every
|
/* Variable references for SSA analysis. New SSA names are created every
|
time a variable is assigned a new value. The SSA builder uses SSA_NAME
|
time a variable is assigned a new value. The SSA builder uses SSA_NAME
|
nodes to implement SSA versioning. */
|
nodes to implement SSA versioning. */
|
DEFTREECODE (SSA_NAME, "ssa_name", tcc_exceptional, 0)
|
DEFTREECODE (SSA_NAME, "ssa_name", tcc_exceptional, 0)
|
|
|
/* Used to represent a typed exception handler. CATCH_TYPES is the type (or
|
/* Used to represent a typed exception handler. CATCH_TYPES is the type (or
|
list of types) handled, and CATCH_BODY is the code for the handler. */
|
list of types) handled, and CATCH_BODY is the code for the handler. */
|
DEFTREECODE (CATCH_EXPR, "catch_expr", tcc_statement, 2)
|
DEFTREECODE (CATCH_EXPR, "catch_expr", tcc_statement, 2)
|
|
|
/* Used to represent an exception specification. EH_FILTER_TYPES is a list
|
/* Used to represent an exception specification. EH_FILTER_TYPES is a list
|
of allowed types, and EH_FILTER_FAILURE is an expression to evaluate on
|
of allowed types, and EH_FILTER_FAILURE is an expression to evaluate on
|
failure. EH_FILTER_MUST_NOT_THROW controls which range type to use when
|
failure. EH_FILTER_MUST_NOT_THROW controls which range type to use when
|
expanding. */
|
expanding. */
|
DEFTREECODE (EH_FILTER_EXPR, "eh_filter_expr", tcc_statement, 2)
|
DEFTREECODE (EH_FILTER_EXPR, "eh_filter_expr", tcc_statement, 2)
|
|
|
/* Node used for describing a property that is known at compile
|
/* Node used for describing a property that is known at compile
|
time. */
|
time. */
|
DEFTREECODE (SCEV_KNOWN, "scev_known", tcc_expression, 0)
|
DEFTREECODE (SCEV_KNOWN, "scev_known", tcc_expression, 0)
|
|
|
/* Node used for describing a property that is not known at compile
|
/* Node used for describing a property that is not known at compile
|
time. */
|
time. */
|
DEFTREECODE (SCEV_NOT_KNOWN, "scev_not_known", tcc_expression, 0)
|
DEFTREECODE (SCEV_NOT_KNOWN, "scev_not_known", tcc_expression, 0)
|
|
|
/* Polynomial chains of recurrences.
|
/* Polynomial chains of recurrences.
|
Under the form: cr = {CHREC_LEFT (cr), +, CHREC_RIGHT (cr)}. */
|
Under the form: cr = {CHREC_LEFT (cr), +, CHREC_RIGHT (cr)}. */
|
DEFTREECODE (POLYNOMIAL_CHREC, "polynomial_chrec", tcc_expression, 3)
|
DEFTREECODE (POLYNOMIAL_CHREC, "polynomial_chrec", tcc_expression, 3)
|
|
|
/* Used to chain children of container statements together.
|
/* Used to chain children of container statements together.
|
Use the interface in tree-iterator.h to access this node. */
|
Use the interface in tree-iterator.h to access this node. */
|
DEFTREECODE (STATEMENT_LIST, "statement_list", tcc_exceptional, 0)
|
DEFTREECODE (STATEMENT_LIST, "statement_list", tcc_exceptional, 0)
|
|
|
/* Predicate assertion. Artificial expression generated by the optimizers
|
/* Predicate assertion. Artificial expression generated by the optimizers
|
to keep track of predicate values. This expression may only appear on
|
to keep track of predicate values. This expression may only appear on
|
the RHS of assignments.
|
the RHS of assignments.
|
|
|
Given X = ASSERT_EXPR , the optimizers can infer
|
Given X = ASSERT_EXPR , the optimizers can infer
|
two things:
|
two things:
|
|
|
1- X is a copy of Y.
|
1- X is a copy of Y.
|
2- EXPR is a conditional expression and is known to be true.
|
2- EXPR is a conditional expression and is known to be true.
|
|
|
Valid and to be expected forms of conditional expressions are
|
Valid and to be expected forms of conditional expressions are
|
valid GIMPLE conditional expressions (as defined by is_gimple_condexpr)
|
valid GIMPLE conditional expressions (as defined by is_gimple_condexpr)
|
and conditional expressions with the first operand being a
|
and conditional expressions with the first operand being a
|
PLUS_EXPR with a variable possibly wrapped in a NOP_EXPR first
|
PLUS_EXPR with a variable possibly wrapped in a NOP_EXPR first
|
operand and an integer constant second operand.
|
operand and an integer constant second operand.
|
|
|
The type of the expression is the same as Y. */
|
The type of the expression is the same as Y. */
|
DEFTREECODE (ASSERT_EXPR, "assert_expr", tcc_expression, 2)
|
DEFTREECODE (ASSERT_EXPR, "assert_expr", tcc_expression, 2)
|
|
|
/* Base class information. Holds information about a class as a
|
/* Base class information. Holds information about a class as a
|
baseclass of itself or another class. */
|
baseclass of itself or another class. */
|
DEFTREECODE (TREE_BINFO, "tree_binfo", tcc_exceptional, 0)
|
DEFTREECODE (TREE_BINFO, "tree_binfo", tcc_exceptional, 0)
|
|
|
/* Records the size for an expression of variable size type. This is
|
/* Records the size for an expression of variable size type. This is
|
for use in contexts in which we are accessing the entire object,
|
for use in contexts in which we are accessing the entire object,
|
such as for a function call, or block copy.
|
such as for a function call, or block copy.
|
Operand 0 is the real expression.
|
Operand 0 is the real expression.
|
Operand 1 is the size of the type in the expression. */
|
Operand 1 is the size of the type in the expression. */
|
DEFTREECODE (WITH_SIZE_EXPR, "with_size_expr", tcc_expression, 2)
|
DEFTREECODE (WITH_SIZE_EXPR, "with_size_expr", tcc_expression, 2)
|
|
|
/* Extract elements from two input vectors Operand 0 and Operand 1
|
/* Extract elements from two input vectors Operand 0 and Operand 1
|
size VS, according to the offset OFF defined by Operand 2 as
|
size VS, according to the offset OFF defined by Operand 2 as
|
follows:
|
follows:
|
If OFF > 0, the last VS - OFF elements of vector OP0 are concatenated to
|
If OFF > 0, the last VS - OFF elements of vector OP0 are concatenated to
|
the first OFF elements of the vector OP1.
|
the first OFF elements of the vector OP1.
|
If OFF == 0, then the returned vector is OP1.
|
If OFF == 0, then the returned vector is OP1.
|
On different targets OFF may take different forms; It can be an address, in
|
On different targets OFF may take different forms; It can be an address, in
|
which case its low log2(VS)-1 bits define the offset, or it can be a mask
|
which case its low log2(VS)-1 bits define the offset, or it can be a mask
|
generated by the builtin targetm.vectorize.mask_for_load_builtin_decl. */
|
generated by the builtin targetm.vectorize.mask_for_load_builtin_decl. */
|
DEFTREECODE (REALIGN_LOAD_EXPR, "realign_load", tcc_expression, 3)
|
DEFTREECODE (REALIGN_LOAD_EXPR, "realign_load", tcc_expression, 3)
|
|
|
/* Low-level memory addressing. Operands are SYMBOL (static or global
|
/* Low-level memory addressing. Operands are SYMBOL (static or global
|
variable), BASE (register), INDEX (register), STEP (integer constant),
|
variable), BASE (register), INDEX (register), STEP (integer constant),
|
OFFSET (integer constant). Corresponding address is
|
OFFSET (integer constant). Corresponding address is
|
SYMBOL + BASE + STEP * INDEX + OFFSET. Only variations and values valid on
|
SYMBOL + BASE + STEP * INDEX + OFFSET. Only variations and values valid on
|
the target are allowed.
|
the target are allowed.
|
|
|
The type of STEP, INDEX and OFFSET is sizetype. The type of BASE is
|
The type of STEP, INDEX and OFFSET is sizetype. The type of BASE is
|
sizetype or a pointer type (if SYMBOL is NULL).
|
sizetype or a pointer type (if SYMBOL is NULL).
|
|
|
The sixth argument is the reference to the original memory access, which
|
The sixth argument is the reference to the original memory access, which
|
is preserved for the purpose of alias analysis. */
|
is preserved for the purpose of alias analysis. */
|
|
|
DEFTREECODE (TARGET_MEM_REF, "target_mem_ref", tcc_reference, 6)
|
DEFTREECODE (TARGET_MEM_REF, "target_mem_ref", tcc_reference, 6)
|
|
|
/* The ordering of the codes between OMP_PARALLEL and OMP_CRITICAL is
|
/* The ordering of the codes between OMP_PARALLEL and OMP_CRITICAL is
|
exposed to TREE_RANGE_CHECK. */
|
exposed to TREE_RANGE_CHECK. */
|
/* OpenMP - #pragma omp parallel [clause1 ... clauseN]
|
/* OpenMP - #pragma omp parallel [clause1 ... clauseN]
|
Operand 0: OMP_PARALLEL_BODY: Code to be executed by all threads.
|
Operand 0: OMP_PARALLEL_BODY: Code to be executed by all threads.
|
Operand 1: OMP_PARALLEL_CLAUSES: List of clauses. */
|
Operand 1: OMP_PARALLEL_CLAUSES: List of clauses. */
|
|
|
DEFTREECODE (OMP_PARALLEL, "omp_parallel", tcc_statement, 2)
|
DEFTREECODE (OMP_PARALLEL, "omp_parallel", tcc_statement, 2)
|
|
|
/* OpenMP - #pragma omp task [clause1 ... clauseN]
|
/* OpenMP - #pragma omp task [clause1 ... clauseN]
|
Operand 0: OMP_TASK_BODY: Code to be executed by all threads.
|
Operand 0: OMP_TASK_BODY: Code to be executed by all threads.
|
Operand 1: OMP_TASK_CLAUSES: List of clauses. */
|
Operand 1: OMP_TASK_CLAUSES: List of clauses. */
|
|
|
DEFTREECODE (OMP_TASK, "omp_task", tcc_statement, 2)
|
DEFTREECODE (OMP_TASK, "omp_task", tcc_statement, 2)
|
|
|
/* OpenMP - #pragma omp for [clause1 ... clauseN]
|
/* OpenMP - #pragma omp for [clause1 ... clauseN]
|
Operand 0: OMP_FOR_BODY: Loop body.
|
Operand 0: OMP_FOR_BODY: Loop body.
|
Operand 1: OMP_FOR_CLAUSES: List of clauses.
|
Operand 1: OMP_FOR_CLAUSES: List of clauses.
|
Operand 2: OMP_FOR_INIT: Initialization code of the form
|
Operand 2: OMP_FOR_INIT: Initialization code of the form
|
VAR = N1.
|
VAR = N1.
|
Operand 3: OMP_FOR_COND: Loop conditional expression of the form
|
Operand 3: OMP_FOR_COND: Loop conditional expression of the form
|
VAR { <, >, <=, >= } N2.
|
VAR { <, >, <=, >= } N2.
|
Operand 4: OMP_FOR_INCR: Loop index increment of the form
|
Operand 4: OMP_FOR_INCR: Loop index increment of the form
|
VAR { +=, -= } INCR.
|
VAR { +=, -= } INCR.
|
Operand 5: OMP_FOR_PRE_BODY: Filled by the gimplifier with things
|
Operand 5: OMP_FOR_PRE_BODY: Filled by the gimplifier with things
|
from INIT, COND, and INCR that are technically part of the
|
from INIT, COND, and INCR that are technically part of the
|
OMP_FOR structured block, but are evaluated before the loop
|
OMP_FOR structured block, but are evaluated before the loop
|
body begins.
|
body begins.
|
|
|
VAR must be an integer or pointer variable, which is implicitly thread
|
VAR must be an integer or pointer variable, which is implicitly thread
|
private. N1, N2 and INCR are required to be loop invariant integer
|
private. N1, N2 and INCR are required to be loop invariant integer
|
expressions that are evaluated without any synchronization.
|
expressions that are evaluated without any synchronization.
|
The evaluation order, frequency of evaluation and side-effects are
|
The evaluation order, frequency of evaluation and side-effects are
|
unspecified by the standard. */
|
unspecified by the standard. */
|
DEFTREECODE (OMP_FOR, "omp_for", tcc_statement, 6)
|
DEFTREECODE (OMP_FOR, "omp_for", tcc_statement, 6)
|
|
|
/* OpenMP - #pragma omp sections [clause1 ... clauseN]
|
/* OpenMP - #pragma omp sections [clause1 ... clauseN]
|
Operand 0: OMP_SECTIONS_BODY: Sections body.
|
Operand 0: OMP_SECTIONS_BODY: Sections body.
|
Operand 1: OMP_SECTIONS_CLAUSES: List of clauses. */
|
Operand 1: OMP_SECTIONS_CLAUSES: List of clauses. */
|
DEFTREECODE (OMP_SECTIONS, "omp_sections", tcc_statement, 2)
|
DEFTREECODE (OMP_SECTIONS, "omp_sections", tcc_statement, 2)
|
|
|
/* OpenMP - #pragma omp single
|
/* OpenMP - #pragma omp single
|
Operand 0: OMP_SINGLE_BODY: Single section body.
|
Operand 0: OMP_SINGLE_BODY: Single section body.
|
Operand 1: OMP_SINGLE_CLAUSES: List of clauses. */
|
Operand 1: OMP_SINGLE_CLAUSES: List of clauses. */
|
DEFTREECODE (OMP_SINGLE, "omp_single", tcc_statement, 2)
|
DEFTREECODE (OMP_SINGLE, "omp_single", tcc_statement, 2)
|
|
|
/* OpenMP - #pragma omp section
|
/* OpenMP - #pragma omp section
|
Operand 0: OMP_SECTION_BODY: Section body. */
|
Operand 0: OMP_SECTION_BODY: Section body. */
|
DEFTREECODE (OMP_SECTION, "omp_section", tcc_statement, 1)
|
DEFTREECODE (OMP_SECTION, "omp_section", tcc_statement, 1)
|
|
|
/* OpenMP - #pragma omp master
|
/* OpenMP - #pragma omp master
|
Operand 0: OMP_MASTER_BODY: Master section body. */
|
Operand 0: OMP_MASTER_BODY: Master section body. */
|
DEFTREECODE (OMP_MASTER, "omp_master", tcc_statement, 1)
|
DEFTREECODE (OMP_MASTER, "omp_master", tcc_statement, 1)
|
|
|
/* OpenMP - #pragma omp ordered
|
/* OpenMP - #pragma omp ordered
|
Operand 0: OMP_ORDERED_BODY: Master section body. */
|
Operand 0: OMP_ORDERED_BODY: Master section body. */
|
DEFTREECODE (OMP_ORDERED, "omp_ordered", tcc_statement, 1)
|
DEFTREECODE (OMP_ORDERED, "omp_ordered", tcc_statement, 1)
|
|
|
/* OpenMP - #pragma omp critical [name]
|
/* OpenMP - #pragma omp critical [name]
|
Operand 0: OMP_CRITICAL_BODY: Critical section body.
|
Operand 0: OMP_CRITICAL_BODY: Critical section body.
|
Operand 1: OMP_CRITICAL_NAME: Identifier for critical section. */
|
Operand 1: OMP_CRITICAL_NAME: Identifier for critical section. */
|
DEFTREECODE (OMP_CRITICAL, "omp_critical", tcc_statement, 2)
|
DEFTREECODE (OMP_CRITICAL, "omp_critical", tcc_statement, 2)
|
|
|
/* OpenMP - #pragma omp atomic
|
/* OpenMP - #pragma omp atomic
|
Operand 0: The address at which the atomic operation is to be performed.
|
Operand 0: The address at which the atomic operation is to be performed.
|
This address should be stabilized with save_expr.
|
This address should be stabilized with save_expr.
|
Operand 1: The expression to evaluate. When the old value of the object
|
Operand 1: The expression to evaluate. When the old value of the object
|
at the address is used in the expression, it should appear as if
|
at the address is used in the expression, it should appear as if
|
build_fold_indirect_ref of the address. */
|
build_fold_indirect_ref of the address. */
|
DEFTREECODE (OMP_ATOMIC, "omp_atomic", tcc_statement, 2)
|
DEFTREECODE (OMP_ATOMIC, "omp_atomic", tcc_statement, 2)
|
|
|
/* OpenMP clauses. */
|
/* OpenMP clauses. */
|
DEFTREECODE (OMP_CLAUSE, "omp_clause", tcc_exceptional, 0)
|
DEFTREECODE (OMP_CLAUSE, "omp_clause", tcc_exceptional, 0)
|
|
|
/* Reduction operations.
|
/* Reduction operations.
|
Operations that take a vector of elements and "reduce" it to a scalar
|
Operations that take a vector of elements and "reduce" it to a scalar
|
result (e.g. summing the elements of the vector, finding the minimum over
|
result (e.g. summing the elements of the vector, finding the minimum over
|
the vector elements, etc).
|
the vector elements, etc).
|
Operand 0 is a vector; the first element in the vector has the result.
|
Operand 0 is a vector; the first element in the vector has the result.
|
Operand 1 is a vector. */
|
Operand 1 is a vector. */
|
DEFTREECODE (REDUC_MAX_EXPR, "reduc_max_expr", tcc_unary, 1)
|
DEFTREECODE (REDUC_MAX_EXPR, "reduc_max_expr", tcc_unary, 1)
|
DEFTREECODE (REDUC_MIN_EXPR, "reduc_min_expr", tcc_unary, 1)
|
DEFTREECODE (REDUC_MIN_EXPR, "reduc_min_expr", tcc_unary, 1)
|
DEFTREECODE (REDUC_PLUS_EXPR, "reduc_plus_expr", tcc_unary, 1)
|
DEFTREECODE (REDUC_PLUS_EXPR, "reduc_plus_expr", tcc_unary, 1)
|
|
|
/* Widening dot-product.
|
/* Widening dot-product.
|
The first two arguments are of type t1.
|
The first two arguments are of type t1.
|
The third argument and the result are of type t2, such that t2 is at least
|
The third argument and the result are of type t2, such that t2 is at least
|
twice the size of t1. DOT_PROD_EXPR(arg1,arg2,arg3) is equivalent to:
|
twice the size of t1. DOT_PROD_EXPR(arg1,arg2,arg3) is equivalent to:
|
tmp = WIDEN_MULT_EXPR(arg1, arg2);
|
tmp = WIDEN_MULT_EXPR(arg1, arg2);
|
arg3 = PLUS_EXPR (tmp, arg3);
|
arg3 = PLUS_EXPR (tmp, arg3);
|
or:
|
or:
|
tmp = WIDEN_MULT_EXPR(arg1, arg2);
|
tmp = WIDEN_MULT_EXPR(arg1, arg2);
|
arg3 = WIDEN_SUM_EXPR (tmp, arg3); */
|
arg3 = WIDEN_SUM_EXPR (tmp, arg3); */
|
DEFTREECODE (DOT_PROD_EXPR, "dot_prod_expr", tcc_expression, 3)
|
DEFTREECODE (DOT_PROD_EXPR, "dot_prod_expr", tcc_expression, 3)
|
|
|
/* Widening summation.
|
/* Widening summation.
|
The first argument is of type t1.
|
The first argument is of type t1.
|
The second argument is of type t2, such that t2 is at least twice
|
The second argument is of type t2, such that t2 is at least twice
|
the size of t1. The type of the entire expression is also t2.
|
the size of t1. The type of the entire expression is also t2.
|
WIDEN_SUM_EXPR is equivalent to first widening (promoting)
|
WIDEN_SUM_EXPR is equivalent to first widening (promoting)
|
the first argument from type t1 to type t2, and then summing it
|
the first argument from type t1 to type t2, and then summing it
|
with the second argument. */
|
with the second argument. */
|
DEFTREECODE (WIDEN_SUM_EXPR, "widen_sum_expr", tcc_binary, 2)
|
DEFTREECODE (WIDEN_SUM_EXPR, "widen_sum_expr", tcc_binary, 2)
|
|
|
/* Widening multiplication.
|
/* Widening multiplication.
|
The two arguments are of type t1.
|
The two arguments are of type t1.
|
The result is of type t2, such that t2 is at least twice
|
The result is of type t2, such that t2 is at least twice
|
the size of t1. WIDEN_MULT_EXPR is equivalent to first widening (promoting)
|
the size of t1. WIDEN_MULT_EXPR is equivalent to first widening (promoting)
|
the arguments from type t1 to type t2, and then multiplying them. */
|
the arguments from type t1 to type t2, and then multiplying them. */
|
DEFTREECODE (WIDEN_MULT_EXPR, "widen_mult_expr", tcc_binary, 2)
|
DEFTREECODE (WIDEN_MULT_EXPR, "widen_mult_expr", tcc_binary, 2)
|
|
|
/* Whole vector left/right shift in bits.
|
/* Whole vector left/right shift in bits.
|
Operand 0 is a vector to be shifted.
|
Operand 0 is a vector to be shifted.
|
Operand 1 is an integer shift amount in bits. */
|
Operand 1 is an integer shift amount in bits. */
|
DEFTREECODE (VEC_LSHIFT_EXPR, "vec_lshift_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_LSHIFT_EXPR, "vec_lshift_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_RSHIFT_EXPR, "vec_rshift_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_RSHIFT_EXPR, "vec_rshift_expr", tcc_binary, 2)
|
|
|
/* Widening vector multiplication.
|
/* Widening vector multiplication.
|
The two operands are vectors with N elements of size S. Multiplying the
|
The two operands are vectors with N elements of size S. Multiplying the
|
elements of the two vectors will result in N products of size 2*S.
|
elements of the two vectors will result in N products of size 2*S.
|
VEC_WIDEN_MULT_HI_EXPR computes the N/2 high products.
|
VEC_WIDEN_MULT_HI_EXPR computes the N/2 high products.
|
VEC_WIDEN_MULT_LO_EXPR computes the N/2 low products. */
|
VEC_WIDEN_MULT_LO_EXPR computes the N/2 low products. */
|
DEFTREECODE (VEC_WIDEN_MULT_HI_EXPR, "widen_mult_hi_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_WIDEN_MULT_HI_EXPR, "widen_mult_hi_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_WIDEN_MULT_LO_EXPR, "widen_mult_lo_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_WIDEN_MULT_LO_EXPR, "widen_mult_lo_expr", tcc_binary, 2)
|
|
|
/* Unpack (extract and promote/widen) the high/low elements of the input
|
/* Unpack (extract and promote/widen) the high/low elements of the input
|
vector into the output vector. The input vector has twice as many
|
vector into the output vector. The input vector has twice as many
|
elements as the output vector, that are half the size of the elements
|
elements as the output vector, that are half the size of the elements
|
of the output vector. This is used to support type promotion. */
|
of the output vector. This is used to support type promotion. */
|
DEFTREECODE (VEC_UNPACK_HI_EXPR, "vec_unpack_hi_expr", tcc_unary, 1)
|
DEFTREECODE (VEC_UNPACK_HI_EXPR, "vec_unpack_hi_expr", tcc_unary, 1)
|
DEFTREECODE (VEC_UNPACK_LO_EXPR, "vec_unpack_lo_expr", tcc_unary, 1)
|
DEFTREECODE (VEC_UNPACK_LO_EXPR, "vec_unpack_lo_expr", tcc_unary, 1)
|
|
|
/* Unpack (extract) the high/low elements of the input vector, convert
|
/* Unpack (extract) the high/low elements of the input vector, convert
|
fixed point values to floating point and widen elements into the
|
fixed point values to floating point and widen elements into the
|
output vector. The input vector has twice as many elements as the output
|
output vector. The input vector has twice as many elements as the output
|
vector, that are half the size of the elements of the output vector. */
|
vector, that are half the size of the elements of the output vector. */
|
DEFTREECODE (VEC_UNPACK_FLOAT_HI_EXPR, "vec_unpack_float_hi_expr", tcc_unary, 1)
|
DEFTREECODE (VEC_UNPACK_FLOAT_HI_EXPR, "vec_unpack_float_hi_expr", tcc_unary, 1)
|
DEFTREECODE (VEC_UNPACK_FLOAT_LO_EXPR, "vec_unpack_float_lo_expr", tcc_unary, 1)
|
DEFTREECODE (VEC_UNPACK_FLOAT_LO_EXPR, "vec_unpack_float_lo_expr", tcc_unary, 1)
|
|
|
/* Pack (demote/narrow and merge) the elements of the two input vectors
|
/* Pack (demote/narrow and merge) the elements of the two input vectors
|
into the output vector using truncation/saturation.
|
into the output vector using truncation/saturation.
|
The elements of the input vectors are twice the size of the elements of the
|
The elements of the input vectors are twice the size of the elements of the
|
output vector. This is used to support type demotion. */
|
output vector. This is used to support type demotion. */
|
DEFTREECODE (VEC_PACK_TRUNC_EXPR, "vec_pack_trunc_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_PACK_TRUNC_EXPR, "vec_pack_trunc_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_PACK_SAT_EXPR, "vec_pack_sat_expr", tcc_binary, 2)
|
DEFTREECODE (VEC_PACK_SAT_EXPR, "vec_pack_sat_expr", tcc_binary, 2)
|
|
|
/* Convert floating point values of the two input vectors to integer
|
/* Convert floating point values of the two input vectors to integer
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and pack (narrow and merge) the elements into the output vector. The
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and pack (narrow and merge) the elements into the output vector. The
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elements of the input vector are twice the size of the elements of
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elements of the input vector are twice the size of the elements of
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the output vector. */
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the output vector. */
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DEFTREECODE (VEC_PACK_FIX_TRUNC_EXPR, "vec_pack_fix_trunc_expr", tcc_binary, 2)
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DEFTREECODE (VEC_PACK_FIX_TRUNC_EXPR, "vec_pack_fix_trunc_expr", tcc_binary, 2)
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|
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/* Extract even/odd fields from vectors. */
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/* Extract even/odd fields from vectors. */
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DEFTREECODE (VEC_EXTRACT_EVEN_EXPR, "vec_extracteven_expr", tcc_binary, 2)
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DEFTREECODE (VEC_EXTRACT_EVEN_EXPR, "vec_extracteven_expr", tcc_binary, 2)
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DEFTREECODE (VEC_EXTRACT_ODD_EXPR, "vec_extractodd_expr", tcc_binary, 2)
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DEFTREECODE (VEC_EXTRACT_ODD_EXPR, "vec_extractodd_expr", tcc_binary, 2)
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|
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/* Merge input vectors interleaving their fields. */
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/* Merge input vectors interleaving their fields. */
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DEFTREECODE (VEC_INTERLEAVE_HIGH_EXPR, "vec_interleavehigh_expr", tcc_binary, 2)
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DEFTREECODE (VEC_INTERLEAVE_HIGH_EXPR, "vec_interleavehigh_expr", tcc_binary, 2)
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DEFTREECODE (VEC_INTERLEAVE_LOW_EXPR, "vec_interleavelow_expr", tcc_binary, 2)
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DEFTREECODE (VEC_INTERLEAVE_LOW_EXPR, "vec_interleavelow_expr", tcc_binary, 2)
|
|
|
/* PREDICT_EXPR. Specify hint for branch prediction. The
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/* PREDICT_EXPR. Specify hint for branch prediction. The
|
PREDICT_EXPR_PREDICTOR specify predictor and PREDICT_EXPR_OUTCOME the
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PREDICT_EXPR_PREDICTOR specify predictor and PREDICT_EXPR_OUTCOME the
|
outcome (0 for not taken and 1 for taken). Once the profile is guessed
|
outcome (0 for not taken and 1 for taken). Once the profile is guessed
|
all conditional branches leading to execution paths executing the
|
all conditional branches leading to execution paths executing the
|
PREDICT_EXPR will get predicted by the specified predictor. */
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PREDICT_EXPR will get predicted by the specified predictor. */
|
DEFTREECODE (PREDICT_EXPR, "predict_expr", tcc_expression, 1)
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DEFTREECODE (PREDICT_EXPR, "predict_expr", tcc_expression, 1)
|
|
|
/* OPTIMIZATION_NODE. Node to store the optimization options. */
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/* OPTIMIZATION_NODE. Node to store the optimization options. */
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DEFTREECODE (OPTIMIZATION_NODE, "optimization_node", tcc_exceptional, 0)
|
DEFTREECODE (OPTIMIZATION_NODE, "optimization_node", tcc_exceptional, 0)
|
|
|
/* TARGET_OPTION_NODE. Node to store the target specific options. */
|
/* TARGET_OPTION_NODE. Node to store the target specific options. */
|
DEFTREECODE (TARGET_OPTION_NODE, "target_option_node", tcc_exceptional, 0)
|
DEFTREECODE (TARGET_OPTION_NODE, "target_option_node", tcc_exceptional, 0)
|
|
|
/*
|
/*
|
Local variables:
|
Local variables:
|
mode:c
|
mode:c
|
End:
|
End:
|
*/
|
*/
|
|
|
