/* Front-end tree definitions for GNU compiler.
Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
- 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
+ 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
+ Free Software Foundation, Inc.
This file is part of GCC.
#include "vec.h"
#include "double-int.h"
#include "alias.h"
+#include "options.h"
/* Codes of tree nodes */
#define DEFTREECODE(SYM, STRING, TYPE, NARGS) SYM,
+#define END_OF_BASE_TREE_CODES LAST_AND_UNUSED_TREE_CODE,
enum tree_code {
-#include "tree.def"
-
- LAST_AND_UNUSED_TREE_CODE /* A convenient way to get a value for
- NUM_TREE_CODES. */
+#include "all-tree.def"
+MAX_TREE_CODES
};
#undef DEFTREECODE
+#undef END_OF_BASE_TREE_CODES
-#define MAX_TREE_CODES 512
extern unsigned char tree_contains_struct[MAX_TREE_CODES][64];
#define CODE_CONTAINS_STRUCT(CODE, STRUCT) (tree_contains_struct[(CODE)][(STRUCT)])
but usually no interesting value. */
tcc_vl_exp, /* A function call or other expression with a
variable-length operand vector. */
- tcc_expression, /* Any other expression. */
- tcc_gimple_stmt /* A GIMPLE statement. */
+ tcc_expression /* Any other expression. */
};
/* Each tree code class has an associated string representation.
/* Nonzero if CODE represents a memory tag. */
#define MTAG_P(CODE) \
- (TREE_CODE (CODE) == STRUCT_FIELD_TAG \
- || TREE_CODE (CODE) == NAME_MEMORY_TAG \
+ (TREE_CODE (CODE) == NAME_MEMORY_TAG \
|| TREE_CODE (CODE) == SYMBOL_MEMORY_TAG \
|| TREE_CODE (CODE) == MEMORY_PARTITION_TAG)
#define IS_EXPR_CODE_CLASS(CLASS)\
((CLASS) >= tcc_reference && (CLASS) <= tcc_expression)
-/* Returns nonzer iff CLASS is a GIMPLE statement. */
-
-#define IS_GIMPLE_STMT_CODE_CLASS(CLASS) ((CLASS) == tcc_gimple_stmt)
-
/* Returns nonzero iff NODE is an expression of some kind. */
#define EXPR_P(NODE) IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE)))
-/* Returns nonzero iff NODE is an OpenMP directive. */
-
-#define OMP_DIRECTIVE_P(NODE) \
- (TREE_CODE (NODE) == OMP_PARALLEL \
- || TREE_CODE (NODE) == OMP_FOR \
- || TREE_CODE (NODE) == OMP_SECTIONS \
- || TREE_CODE (NODE) == OMP_SECTIONS_SWITCH \
- || TREE_CODE (NODE) == OMP_SINGLE \
- || TREE_CODE (NODE) == OMP_SECTION \
- || TREE_CODE (NODE) == OMP_MASTER \
- || TREE_CODE (NODE) == OMP_ORDERED \
- || TREE_CODE (NODE) == OMP_CRITICAL \
- || TREE_CODE (NODE) == OMP_RETURN \
- || TREE_CODE (NODE) == OMP_CONTINUE)
-
/* Number of argument-words in each kind of tree-node. */
extern const unsigned char tree_code_length[];
Operand 2: OMP_CLAUSE_REDUCTION_MERGE: Stmt-list to merge private var
into the shared one.
Operand 3: OMP_CLAUSE_REDUCTION_PLACEHOLDER: A dummy VAR_DECL
- placeholder used in OMP_CLAUSE_REDUCTION_MERGE. */
+ placeholder used in OMP_CLAUSE_REDUCTION_{INIT,MERGE}. */
OMP_CLAUSE_REDUCTION,
/* OpenMP clause: copyin (variable_list). */
OMP_CLAUSE_ORDERED,
/* OpenMP clause: default. */
- OMP_CLAUSE_DEFAULT
+ OMP_CLAUSE_DEFAULT,
+
+ /* OpenMP clause: collapse (constant-integer-expression). */
+ OMP_CLAUSE_COLLAPSE,
+
+ /* OpenMP clause: untied. */
+ OMP_CLAUSE_UNTIED
};
\f
/* The definition of tree nodes fills the next several pages. */
unsigned private_flag : 1;
unsigned protected_flag : 1;
unsigned deprecated_flag : 1;
- unsigned invariant_flag : 1;
unsigned saturating_flag : 1;
+ unsigned default_def_flag : 1;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned spare : 23;
- /* FIXME tuples: Eventually, we need to move this somewhere external to
- the trees. */
union tree_ann_d *ann;
};
tree type;
};
-/* GIMPLE_MODIFY_STMT */
-struct gimple_stmt GTY(())
-{
- struct tree_base base;
- source_locus locus;
- tree block;
- /* FIXME tuples: Eventually this should be of type ``struct gimple_expr''. */
- tree GTY ((length ("TREE_CODE_LENGTH (TREE_CODE (&%h))"))) operands[1];
-};
-
/* The following table lists the uses of each of the above flags and
- for which types of nodes they are defined. Note that expressions
- include decls.
+ for which types of nodes they are defined.
addressable_flag:
TREE_ADDRESSABLE in
- VAR_DECL, FUNCTION_DECL, FIELD_DECL, CONSTRUCTOR, LABEL_DECL,
- ..._TYPE, IDENTIFIER_NODE.
- In a STMT_EXPR, it means we want the result of the enclosed
- expression.
- CALL_EXPR_TAILCALL in CALL_EXPR
- CASE_LOW_SEEN in CASE_LABEL_EXPR
+ VAR_DECL, FUNCTION_DECL, FIELD_DECL, LABEL_DECL
+ all types
+ CONSTRUCTOR, IDENTIFIER_NODE
+ STMT_EXPR, it means we want the result of the enclosed expression
+
+ CALL_EXPR_TAILCALL in
+ CALL_EXPR
+
+ CASE_LOW_SEEN in
+ CASE_LABEL_EXPR
static_flag:
TREE_STATIC in
- VAR_DECL, FUNCTION_DECL, CONSTRUCTOR, ADDR_EXPR
+ VAR_DECL, FUNCTION_DECL
+ CONSTRUCTOR
+
+ TREE_NO_TRAMPOLINE in
+ ADDR_EXPR
+
BINFO_VIRTUAL_P in
TREE_BINFO
+
TREE_SYMBOL_REFERENCED in
IDENTIFIER_NODE
+
CLEANUP_EH_ONLY in
TARGET_EXPR, WITH_CLEANUP_EXPR
+
+ TRY_CATCH_IS_CLEANUP in
+ TRY_CATCH_EXPR
+
ASM_INPUT_P in
ASM_EXPR
- EH_FILTER_MUST_NOT_THROW in EH_FILTER_EXPR
+
+ EH_FILTER_MUST_NOT_THROW in
+ EH_FILTER_EXPR
+
TYPE_REF_CAN_ALIAS_ALL in
POINTER_TYPE, REFERENCE_TYPE
+
MOVE_NONTEMPORAL in
- GIMPLE_MODIFY_STMT
+ MODIFY_EXPR
+
CASE_HIGH_SEEN in
- CASE_LABEL_EXPR
+ CASE_LABEL_EXPR
+
CALL_CANNOT_INLINE_P in
- CALL_EXPR
+ CALL_EXPR
public_flag:
TREE_OVERFLOW in
INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST
+
TREE_PUBLIC in
- VAR_DECL or FUNCTION_DECL or IDENTIFIER_NODE
+ VAR_DECL, FUNCTION_DECL
+ IDENTIFIER_NODE
+
ASM_VOLATILE_P in
ASM_EXPR
+
CALL_EXPR_VA_ARG_PACK in
- CALL_EXPR
+ CALL_EXPR
+
TYPE_CACHED_VALUES_P in
- ..._TYPE
+ all types
+
SAVE_EXPR_RESOLVED_P in
- SAVE_EXPR
+ SAVE_EXPR
+
OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE in
- OMP_CLAUSE_LASTPRIVATE
+ OMP_CLAUSE_LASTPRIVATE
+
OMP_CLAUSE_PRIVATE_DEBUG in
- OMP_CLAUSE_PRIVATE
+ OMP_CLAUSE_PRIVATE
private_flag:
TREE_PRIVATE in
- ..._DECL
+ all decls
+
CALL_EXPR_RETURN_SLOT_OPT in
CALL_EXPR
+
DECL_BY_REFERENCE in
PARM_DECL, RESULT_DECL
- OMP_RETURN_NOWAIT in
- OMP_RETURN
+
OMP_SECTION_LAST in
- OMP_SECTION
+ OMP_SECTION
+
OMP_PARALLEL_COMBINED in
- OMP_PARALLEL
+ OMP_PARALLEL
+ OMP_CLAUSE_PRIVATE_OUTER_REF in
+ OMP_CLAUSE_PRIVATE
protected_flag:
TREE_PROTECTED in
BLOCK
- ..._DECL
+ all decls
+
CALL_FROM_THUNK_P in
CALL_EXPR
TREE_SIDE_EFFECTS in
all expressions
- all decls
- all constants
+ all decls
+ all constants
FORCED_LABEL in
- LABEL_DECL
+ LABEL_DECL
volatile_flag:
TREE_THIS_VOLATILE in
all expressions
+ all decls
+
TYPE_VOLATILE in
- ..._TYPE
+ all types
readonly_flag:
TREE_READONLY in
all expressions
+ all decls
+
TYPE_READONLY in
- ..._TYPE
+ all types
constant_flag:
TREE_CONSTANT in
all expressions
- all decls
- all constants
- TYPE_SIZES_GIMPLIFIED
- ..._TYPE
+ all decls
+ all constants
+
+ TYPE_SIZES_GIMPLIFIED in
+ all types
unsigned_flag:
TYPE_UNSIGNED in
all types
+
DECL_UNSIGNED in
all decls
- BIT_FIELD_REF_UNSIGNED in
- BIT_FIELD_REF
+
+ REGISTER_DEFS_IN_THIS_STMT in
+ all expressions (tree-into-ssa.c)
asm_written_flag:
TREE_ASM_WRITTEN in
- VAR_DECL, FUNCTION_DECL, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE
- BLOCK, SSA_NAME
+ VAR_DECL, FUNCTION_DECL
+ RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE
+ BLOCK, SSA_NAME, STRING_CST
+
+ NECESSARY in
+ all expressions (tree-ssa-dce.c, tree-ssa-pre.c)
used_flag:
TREE_USED in
- expressions, IDENTIFIER_NODE
+ all expressions
+ all decls
+ IDENTIFIER_NODE
nothrow_flag:
TREE_NOTHROW in
- CALL_EXPR, FUNCTION_DECL
+ CALL_EXPR
+ FUNCTION_DECL
TYPE_ALIGN_OK in
- ..._TYPE
+ all types
TREE_THIS_NOTRAP in
(ALIGN/MISALIGNED_)INDIRECT_REF, ARRAY_REF, ARRAY_RANGE_REF
deprecated_flag:
- TREE_DEPRECATED in
- ..._DECL
-
- IDENTIFIER_TRANSPARENT_ALIAS in
- IDENTIFIER_NODE
+ TREE_DEPRECATED in
+ all decls
- visited:
+ IDENTIFIER_TRANSPARENT_ALIAS in
+ IDENTIFIER_NODE
- Used in tree traversals to mark visited nodes.
+ STMT_IN_SSA_EDGE_WORKLIST in
+ all expressions (tree-ssa-propagate.c)
- invariant_flag:
+ visited:
- TREE_INVARIANT in
- all expressions.
+ TREE_VISITED in
+ all trees (used liberally by many passes)
saturating_flag:
nowarning_flag:
TREE_NO_WARNING in
- ... any expr or decl node
+ all expressions
+ all decls
+
+ default_def_flag:
+
+ SSA_NAME_IS_DEFAULT_DEF in
+ SSA_NAME
*/
+
#undef DEFTREESTRUCT
#define DEFTREESTRUCT(ENUM, NAME) ENUM,
enum tree_node_structure_enum {
__FUNCTION__); \
__t; })
-#define GIMPLE_STMT_CHECK(T) __extension__ \
-({ __typeof (T) const __t = (T); \
- char const __c = TREE_CODE_CLASS (TREE_CODE (__t)); \
- if (!IS_GIMPLE_STMT_CODE_CLASS (__c)) \
- tree_class_check_failed (__t, tcc_gimple_stmt, __FILE__, __LINE__,\
- __FUNCTION__); \
- __t; })
-
/* These checks have to be special cased. */
#define NON_TYPE_CHECK(T) __extension__ \
({ __typeof (T) const __t = (T); \
__FILE__, __LINE__, __FUNCTION__); \
&__t->vec.a[__i]; }))
-#define PHI_NODE_ELT_CHECK(T, I) __extension__ \
-(*({__typeof (T) const __t = (T); \
- const int __i = (I); \
- if (TREE_CODE (__t) != PHI_NODE) \
- tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
- PHI_NODE, 0); \
- if (__i < 0 || __i >= __t->phi.capacity) \
- phi_node_elt_check_failed (__i, __t->phi.num_args, \
- __FILE__, __LINE__, __FUNCTION__); \
- &__t->phi.a[__i]; }))
-
#define OMP_CLAUSE_ELT_CHECK(T, I) __extension__ \
-(*({__typeof (T) const __t = (T); \
+(*({__typeof (T) const __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != OMP_CLAUSE) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
#define TREE_OPERAND_CHECK(T, I) __extension__ \
(*({__typeof (T) const __t = EXPR_CHECK (T); \
const int __i = (I); \
- if (GIMPLE_TUPLE_P (__t)) \
- gcc_unreachable (); \
if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
tree_operand_check_failed (__i, __t, \
__FILE__, __LINE__, __FUNCTION__); \
__FILE__, __LINE__, __FUNCTION__); \
&__t->exp.operands[__i]; }))
-/* Special checks for GIMPLE_STMT_OPERANDs. */
-#define GIMPLE_STMT_OPERAND_CHECK(T, I) __extension__ \
-(*({__typeof (T) const __t = GIMPLE_STMT_CHECK (T); \
- const int __i = (I); \
- if (__i < 0 || __i >= TREE_OPERAND_LENGTH (__t)) \
- tree_operand_check_failed (__i, __t, \
- __FILE__, __LINE__, __FUNCTION__); \
- &__t->gstmt.operands[__i]; }))
-
#define TREE_RTL_OPERAND_CHECK(T, CODE, I) __extension__ \
(*(rtx *) \
({__typeof (T) const __t = (T); \
#define TREE_CHAIN(NODE) __extension__ \
(*({__typeof (NODE) const __t = (NODE); \
- if (GIMPLE_TUPLE_P (__t)) \
- gcc_unreachable (); \
&__t->common.chain; }))
/* In all nodes that are expressions, this is the data type of the expression.
In VECTOR_TYPE nodes, this is the type of the elements. */
#define TREE_TYPE(NODE) __extension__ \
(*({__typeof (NODE) const __t = (NODE); \
- if (GIMPLE_TUPLE_P (__t)) \
- gcc_unreachable (); \
&__t->common.type; }))
extern void tree_contains_struct_check_failed (const_tree,
#define TREE_CLASS_CHECK(T, CODE) (T)
#define TREE_RANGE_CHECK(T, CODE1, CODE2) (T)
#define EXPR_CHECK(T) (T)
-#define GIMPLE_STMT_CHECK(T) (T)
#define NON_TYPE_CHECK(T) (T)
#define TREE_VEC_ELT_CHECK(T, I) ((T)->vec.a[I])
#define TREE_OPERAND_CHECK(T, I) ((T)->exp.operands[I])
#define TREE_OPERAND_CHECK_CODE(T, CODE, I) ((T)->exp.operands[I])
-#define GIMPLE_STMT_OPERAND_CHECK(T, I) ((T)->gstmt.operands[I])
#define TREE_RTL_OPERAND_CHECK(T, CODE, I) (*(rtx *) &((T)->exp.operands[I]))
-#define PHI_NODE_ELT_CHECK(T, i) ((T)->phi.a[i])
#define OMP_CLAUSE_ELT_CHECK(T, i) ((T)->omp_clause.ops[i])
#define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) (T)
#define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) (T)
TREE_CHECK5 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE, \
FIXED_POINT_TYPE)
-/* Nonzero if NODE is a GIMPLE statement. */
-#define GIMPLE_STMT_P(NODE) \
- (TREE_CODE_CLASS (TREE_CODE ((NODE))) == tcc_gimple_stmt)
-
-/* Nonzero if NODE is a GIMPLE tuple. */
-#define GIMPLE_TUPLE_P(NODE) (GIMPLE_STMT_P (NODE) || TREE_CODE (NODE) == PHI_NODE)
-
-/* A GIMPLE tuple that has a ``locus'' field. */
-#define GIMPLE_TUPLE_HAS_LOCUS_P(NODE) GIMPLE_STMT_P ((NODE))
-
-/* Like TREE_OPERAND but works with GIMPLE stmt tuples as well.
-
- If you know the NODE is a GIMPLE statement, use GIMPLE_STMT_OPERAND. If the
- NODE code is unknown at compile time, use this macro. */
-#define GENERIC_TREE_OPERAND(NODE, I) *(generic_tree_operand ((NODE), (I)))
-
-/* Like TREE_TYPE but returns void_type_node for gimple tuples that have
- no type. */
-
-#define GENERIC_TREE_TYPE(NODE) *(generic_tree_type ((NODE)))
-
/* Here is how primitive or already-canonicalized types' hash codes
are made. */
#define TYPE_HASH(TYPE) (TYPE_UID (TYPE))
used in hash tables which are saved to a PCH. */
#define TREE_HASH(NODE) ((size_t) (NODE) & 0777777)
-/* The TREE_CHAIN but it is able to handle tuples. */
-#define GENERIC_NEXT(NODE) \
- (TREE_CODE (NODE) == PHI_NODE ? PHI_CHAIN (NODE) : \
- GIMPLE_STMT_P (NODE) ? NULL_TREE : TREE_CHAIN (NODE))
+/* Tests if CODE is a conversion expr (NOP_EXPR or CONVERT_EXPR). */
+#define CONVERT_EXPR_CODE_P(CODE) \
+ ((CODE) == NOP_EXPR || (CODE) == CONVERT_EXPR)
+
+/* Similarly, but accept an expressions instead of a tree code. */
+#define CONVERT_EXPR_P(EXP) CONVERT_EXPR_CODE_P (TREE_CODE (EXP))
+
+/* Generate case for NOP_EXPR, CONVERT_EXPR. */
+
+#define CASE_CONVERT \
+ case NOP_EXPR: \
+ case CONVERT_EXPR
/* Given an expression as a tree, strip any NON_LVALUE_EXPRs and NOP_EXPRs
that don't change the machine mode. */
#define STRIP_NOPS(EXP) \
- while ((TREE_CODE (EXP) == NOP_EXPR \
- || TREE_CODE (EXP) == CONVERT_EXPR \
+ while ((CONVERT_EXPR_P (EXP) \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TYPE_MODE (TREE_TYPE (EXP)) \
- == TYPE_MODE (GENERIC_TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
+ == TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Like STRIP_NOPS, but don't let the signedness change either. */
#define STRIP_SIGN_NOPS(EXP) \
- while ((TREE_CODE (EXP) == NOP_EXPR \
- || TREE_CODE (EXP) == CONVERT_EXPR \
+ while ((CONVERT_EXPR_P (EXP) \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TYPE_MODE (TREE_TYPE (EXP)) \
== TYPE_MODE (TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
&& (TYPE_UNSIGNED (TREE_TYPE (EXP)) \
- == TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
+ == TYPE_UNSIGNED (TREE_TYPE (TREE_OPERAND (EXP, 0)))) \
+ && (POINTER_TYPE_P (TREE_TYPE (EXP)) \
+ == POINTER_TYPE_P (TREE_TYPE (TREE_OPERAND (EXP, 0))))) \
(EXP) = TREE_OPERAND (EXP, 0)
/* Like STRIP_NOPS, but don't alter the TREE_TYPE either. */
#define STRIP_TYPE_NOPS(EXP) \
- while ((TREE_CODE (EXP) == NOP_EXPR \
- || TREE_CODE (EXP) == CONVERT_EXPR \
+ while ((CONVERT_EXPR_P (EXP) \
|| TREE_CODE (EXP) == NON_LVALUE_EXPR) \
&& TREE_OPERAND (EXP, 0) != error_mark_node \
&& (TREE_TYPE (EXP) \
#define CASE_LOW_SEEN(NODE) \
(CASE_LABEL_EXPR_CHECK (NODE)->base.addressable_flag)
+#define PREDICT_EXPR_OUTCOME(NODE) \
+ (PREDICT_EXPR_CHECK(NODE)->base.addressable_flag)
+#define PREDICT_EXPR_PREDICTOR(NODE) \
+ ((enum br_predictor)tree_low_cst (TREE_OPERAND (PREDICT_EXPR_CHECK (NODE), 0), 0))
+
/* In a VAR_DECL, nonzero means allocate static storage.
In a FUNCTION_DECL, nonzero if function has been defined.
- In a CONSTRUCTOR, nonzero means allocate static storage.
-
- ??? This is also used in lots of other nodes in unclear ways which
- should be cleaned up some day. */
+ In a CONSTRUCTOR, nonzero means allocate static storage. */
#define TREE_STATIC(NODE) ((NODE)->base.static_flag)
-/* In a TARGET_EXPR, WITH_CLEANUP_EXPR, means that the pertinent cleanup
+/* In an ADDR_EXPR, nonzero means do not use a trampoline. */
+#define TREE_NO_TRAMPOLINE(NODE) (ADDR_EXPR_CHECK (NODE)->base.static_flag)
+
+/* In a TARGET_EXPR or WITH_CLEANUP_EXPR, means that the pertinent cleanup
should only be executed if an exception is thrown, not on normal exit
of its scope. */
#define CLEANUP_EH_ONLY(NODE) ((NODE)->base.static_flag)
+/* In a TRY_CATCH_EXPR, means that the handler should be considered a
+ separate cleanup in honor_protect_cleanup_actions. */
+#define TRY_CATCH_IS_CLEANUP(NODE) \
+ (TRY_CATCH_EXPR_CHECK (NODE)->base.static_flag)
+
/* Used as a temporary field on a CASE_LABEL_EXPR to indicate that the
CASE_HIGH operand has been processed. */
#define CASE_HIGH_SEEN(NODE) \
(CASE_LABEL_EXPR_CHECK (NODE)->base.static_flag)
/* Used to mark a CALL_EXPR as not suitable for inlining. */
-#define CALL_CANNOT_INLINE_P(NODE) ((NODE)->base.static_flag)
+#define CALL_CANNOT_INLINE_P(NODE) (CALL_EXPR_CHECK (NODE)->base.static_flag)
/* In an expr node (usually a conversion) this means the node was made
implicitly and should not lead to any sort of warning. In a decl node,
/* In a MODIFY_EXPR, means that the store in the expression is nontemporal. */
#define MOVE_NONTEMPORAL(NODE) \
- (GIMPLE_MODIFY_STMT_CHECK (NODE)->base.static_flag)
+ (EXPR_CHECK (NODE)->base.static_flag)
/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means
there was an overflow in folding. */
(CONSTANT_CLASS_P (EXPR) && TREE_OVERFLOW (EXPR))
/* In a VAR_DECL, FUNCTION_DECL, NAMESPACE_DECL or TYPE_DECL,
- nonzero means name is to be accessible from outside this module.
+ nonzero means name is to be accessible from outside this translation unit.
In an IDENTIFIER_NODE, nonzero means an external declaration
- accessible from outside this module was previously seen
+ accessible from outside this translation unit was previously seen
for this name in an inner scope. */
#define TREE_PUBLIC(NODE) ((NODE)->base.public_flag)
/* In a SAVE_EXPR, indicates that the original expression has already
been substituted with a VAR_DECL that contains the value. */
#define SAVE_EXPR_RESOLVED_P(NODE) \
- (TREE_CHECK (NODE, SAVE_EXPR)->base.public_flag)
+ (SAVE_EXPR_CHECK (NODE)->base.public_flag)
/* Set on a CALL_EXPR if this stdarg call should be passed the argument
pack. */
/* In a LABEL_DECL, nonzero means this label had its address taken
and therefore can never be deleted and is a jump target for
computed gotos. */
-#define FORCED_LABEL(NODE) ((NODE)->base.side_effects_flag)
+#define FORCED_LABEL(NODE) (LABEL_DECL_CHECK (NODE)->base.side_effects_flag)
/* Nonzero means this expression is volatile in the C sense:
its address should be of type `volatile WHATEVER *'.
#define TREE_THIS_NOTRAP(NODE) ((NODE)->base.nothrow_flag)
/* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
- nonzero means it may not be the lhs of an assignment. */
+ nonzero means it may not be the lhs of an assignment.
+ Nonzero in a FUNCTION_DECL means this function should be treated
+ as "const" function (can only read its arguments). */
#define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->base.readonly_flag)
-/* Nonzero if NODE is a _DECL with TREE_READONLY set. */
-#define TREE_READONLY_DECL_P(NODE)\
- (DECL_P (NODE) && TREE_READONLY (NODE))
-
/* Value of expression is constant. Always on in all ..._CST nodes. May
also appear in an expression or decl where the value is constant. */
#define TREE_CONSTANT(NODE) (NON_TYPE_CHECK (NODE)->base.constant_flag)
#define DECL_UNSIGNED(NODE) \
(DECL_COMMON_CHECK (NODE)->base.unsigned_flag)
-/* In a BIT_FIELD_REF, means the bitfield is to be interpreted as unsigned. */
-#define BIT_FIELD_REF_UNSIGNED(NODE) \
- (BIT_FIELD_REF_CHECK (NODE)->base.unsigned_flag)
-
/* In integral and pointer types, means an unsigned type. */
#define TYPE_UNSIGNED(NODE) (TYPE_CHECK (NODE)->base.unsigned_flag)
-/* Nonzero in a VAR_DECL means assembler code has been written.
+/* Nonzero in a VAR_DECL or STRING_CST means assembler code has been written.
Nonzero in a FUNCTION_DECL means that the function has been compiled.
This is interesting in an inline function, since it might not need
to be compiled separately.
/* In a CALL_EXPR, means that it's safe to use the target of the call
expansion as the return slot for a call that returns in memory. */
-#define CALL_EXPR_RETURN_SLOT_OPT(NODE) ((NODE)->base.private_flag)
+#define CALL_EXPR_RETURN_SLOT_OPT(NODE) \
+ (CALL_EXPR_CHECK (NODE)->base.private_flag)
/* In a RESULT_DECL or PARM_DECL, means that it is passed by invisible
reference (and the TREE_TYPE is a pointer to the true type). */
-#define DECL_BY_REFERENCE(NODE) \
- (DECL_COMMON_CHECK (NODE)->base.private_flag)
+#define DECL_BY_REFERENCE(NODE) (DECL_COMMON_CHECK (NODE)->base.private_flag)
/* In a CALL_EXPR, means that the call is the jump from a thunk to the
thunked-to function. */
-#define CALL_FROM_THUNK_P(NODE) \
- (CALL_EXPR_CHECK (NODE)->base.protected_flag)
+#define CALL_FROM_THUNK_P(NODE) (CALL_EXPR_CHECK (NODE)->base.protected_flag)
/* In a type, nonzero means that all objects of the type are guaranteed by the
language or front-end to be properly aligned, so we can indicate that a MEM
/* Used in classes in C++. */
#define TREE_PRIVATE(NODE) ((NODE)->base.private_flag)
-/* Used in classes in C++.
- In a BLOCK node, this is BLOCK_HANDLER_BLOCK. */
+/* Used in classes in C++. */
#define TREE_PROTECTED(NODE) ((NODE)->base.protected_flag)
/* Nonzero in a _DECL if the use of the name is defined as a
#define IDENTIFIER_TRANSPARENT_ALIAS(NODE) \
(IDENTIFIER_NODE_CHECK (NODE)->base.deprecated_flag)
-/* Value of expression is function invariant. A strict subset of
- TREE_CONSTANT, such an expression is constant over any one function
- invocation, though not across different invocations. May appear in
- any expression node. */
-#define TREE_INVARIANT(NODE) ((NODE)->base.invariant_flag)
-
/* In fixed-point types, means a saturating type. */
#define TYPE_SATURATING(NODE) ((NODE)->base.saturating_flag)
/* In a CONSTRUCTOR node. */
#define CONSTRUCTOR_ELTS(NODE) (CONSTRUCTOR_CHECK (NODE)->constructor.elts)
+#define CONSTRUCTOR_ELT(NODE,IDX) \
+ (VEC_index (constructor_elt, CONSTRUCTOR_ELTS (NODE), IDX))
+#define CONSTRUCTOR_NELTS(NODE) (VEC_length (constructor_elt, CONSTRUCTOR_ELTS (NODE)))
/* Iterate through the vector V of CONSTRUCTOR_ELT elements, yielding the
value of each element (stored within VAL). IX must be a scratch variable
#define VL_EXP_OPERAND_LENGTH(NODE) \
((int)TREE_INT_CST_LOW (VL_EXP_CHECK (NODE)->exp.operands[0]))
-/* In gimple statements. */
-#define GIMPLE_STMT_OPERAND(NODE, I) GIMPLE_STMT_OPERAND_CHECK (NODE, I)
-#define GIMPLE_STMT_LOCUS(NODE) (GIMPLE_STMT_CHECK (NODE)->gstmt.locus)
-#define GIMPLE_STMT_BLOCK(NODE) (GIMPLE_STMT_CHECK (NODE)->gstmt.block)
-
/* In a LOOP_EXPR node. */
#define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
/* The source location of this expression. Non-tree_exp nodes such as
decls and constants can be shared among multiple locations, so
return nothing. */
-#define EXPR_LOCATION(NODE) expr_location ((NODE))
-#define SET_EXPR_LOCATION(NODE, FROM) set_expr_location ((NODE), (FROM))
-#define EXPR_HAS_LOCATION(NODE) expr_has_location ((NODE))
-#define EXPR_LOCUS(NODE) expr_locus ((NODE))
+#define EXPR_LOCATION(NODE) (EXPR_P ((NODE)) ? (NODE)->exp.locus : UNKNOWN_LOCATION)
+#define SET_EXPR_LOCATION(NODE, LOCUS) EXPR_CHECK ((NODE))->exp.locus = (LOCUS)
+#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCATION (NODE) != UNKNOWN_LOCATION)
+#define EXPR_LOCUS(NODE) (EXPR_P (NODE) \
+ ? CONST_CAST (source_location *, &(NODE)->exp.locus) \
+ : (source_location *) NULL)
#define SET_EXPR_LOCUS(NODE, FROM) set_expr_locus ((NODE), (FROM))
-#define EXPR_FILENAME(NODE) *(expr_filename ((NODE)))
-#define EXPR_LINENO(NODE) *(expr_lineno ((NODE)))
+#define EXPR_FILENAME(NODE) LOCATION_FILE (EXPR_CHECK ((NODE))->exp.locus)
+#define EXPR_LINENO(NODE) LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
/* True if a tree is an expression or statement that can have a
location. */
-#define CAN_HAVE_LOCATION_P(NODE) (EXPR_P (NODE) || GIMPLE_STMT_P (NODE))
+#define CAN_HAVE_LOCATION_P(NODE) (EXPR_P (NODE))
+
+extern void protected_set_expr_location (tree, location_t);
/* In a TARGET_EXPR node. */
#define TARGET_EXPR_SLOT(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 0)
#define ASM_CLOBBERS(NODE) TREE_OPERAND (ASM_EXPR_CHECK (NODE), 3)
/* Nonzero if we want to create an ASM_INPUT instead of an
ASM_OPERAND with no operands. */
-#define ASM_INPUT_P(NODE) (TREE_STATIC (NODE))
-#define ASM_VOLATILE_P(NODE) (TREE_PUBLIC (NODE))
+#define ASM_INPUT_P(NODE) (ASM_EXPR_CHECK (NODE)->base.static_flag)
+#define ASM_VOLATILE_P(NODE) (ASM_EXPR_CHECK (NODE)->base.public_flag)
/* COND_EXPR accessors. */
#define COND_EXPR_COND(NODE) (TREE_OPERAND (COND_EXPR_CHECK (NODE), 0))
/* EH_FILTER_EXPR accessors. */
#define EH_FILTER_TYPES(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 0)
#define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
-#define EH_FILTER_MUST_NOT_THROW(NODE) TREE_STATIC (EH_FILTER_EXPR_CHECK (NODE))
+#define EH_FILTER_MUST_NOT_THROW(NODE) \
+ (EH_FILTER_EXPR_CHECK (NODE)->base.static_flag)
/* CHANGE_DYNAMIC_TYPE_EXPR accessors. */
#define CHANGE_DYNAMIC_TYPE_NEW_TYPE(NODE) \
#define OMP_PARALLEL_BODY(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 0)
#define OMP_PARALLEL_CLAUSES(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 1)
-#define OMP_PARALLEL_FN(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 2)
-#define OMP_PARALLEL_DATA_ARG(NODE) TREE_OPERAND (OMP_PARALLEL_CHECK (NODE), 3)
+
+#define OMP_TASK_BODY(NODE) TREE_OPERAND (OMP_TASK_CHECK (NODE), 0)
+#define OMP_TASK_CLAUSES(NODE) TREE_OPERAND (OMP_TASK_CHECK (NODE), 1)
+
+#define OMP_TASKREG_CHECK(NODE) TREE_RANGE_CHECK (NODE, OMP_PARALLEL, OMP_TASK)
+#define OMP_TASKREG_BODY(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 0)
+#define OMP_TASKREG_CLAUSES(NODE) TREE_OPERAND (OMP_TASKREG_CHECK (NODE), 1)
#define OMP_FOR_BODY(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 0)
#define OMP_FOR_CLAUSES(NODE) TREE_OPERAND (OMP_FOR_CHECK (NODE), 1)
#define OMP_SECTIONS_BODY(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 0)
#define OMP_SECTIONS_CLAUSES(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 1)
-#define OMP_SECTIONS_CONTROL(NODE) TREE_OPERAND (OMP_SECTIONS_CHECK (NODE), 2)
#define OMP_SECTION_BODY(NODE) TREE_OPERAND (OMP_SECTION_CHECK (NODE), 0)
/* True on an OMP_SECTION statement that was the last lexical member.
This status is meaningful in the implementation of lastprivate. */
#define OMP_SECTION_LAST(NODE) \
- TREE_PRIVATE (OMP_SECTION_CHECK (NODE))
-
-/* True on an OMP_RETURN statement if the return does not require a
- thread synchronization via some sort of barrier. The exact barrier
- that would otherwise be emitted is dependent on the OMP statement
- with which this return is associated. */
-#define OMP_RETURN_NOWAIT(NODE) \
- TREE_PRIVATE (OMP_RETURN_CHECK (NODE))
+ (OMP_SECTION_CHECK (NODE)->base.private_flag)
/* True on an OMP_PARALLEL statement if it represents an explicit
combined parallel work-sharing constructs. */
#define OMP_PARALLEL_COMBINED(NODE) \
- TREE_PRIVATE (OMP_PARALLEL_CHECK (NODE))
+ (OMP_PARALLEL_CHECK (NODE)->base.private_flag)
/* True on a PRIVATE clause if its decl is kept around for debugging
information only and its DECL_VALUE_EXPR is supposed to point
to what it has been remapped to. */
#define OMP_CLAUSE_PRIVATE_DEBUG(NODE) \
- TREE_PUBLIC (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
+ (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE)->base.public_flag)
+
+/* True on a PRIVATE clause if ctor needs access to outer region's
+ variable. */
+#define OMP_CLAUSE_PRIVATE_OUTER_REF(NODE) \
+ TREE_PRIVATE (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_PRIVATE))
/* True on a LASTPRIVATE clause if a FIRSTPRIVATE clause for the same
decl is present in the chain. */
#define OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE(NODE) \
- TREE_PUBLIC (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE))
+ (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_LASTPRIVATE)->base.public_flag)
+#define OMP_CLAUSE_LASTPRIVATE_STMT(NODE) \
+ OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, \
+ OMP_CLAUSE_LASTPRIVATE),\
+ 1)
+#define OMP_CLAUSE_LASTPRIVATE_GIMPLE_SEQ(NODE) \
+ (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
#define OMP_CLAUSE_IF_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_IF), 0)
#define OMP_CLAUSE_SCHEDULE_CHUNK_EXPR(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_SCHEDULE), 0)
+#define OMP_CLAUSE_COLLAPSE_EXPR(NODE) \
+ OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 0)
+#define OMP_CLAUSE_COLLAPSE_ITERVAR(NODE) \
+ OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 1)
+#define OMP_CLAUSE_COLLAPSE_COUNT(NODE) \
+ OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_COLLAPSE), 2)
+
#define OMP_CLAUSE_REDUCTION_CODE(NODE) \
(OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION)->omp_clause.subcode.reduction_code)
#define OMP_CLAUSE_REDUCTION_INIT(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 1)
#define OMP_CLAUSE_REDUCTION_MERGE(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 2)
+#define OMP_CLAUSE_REDUCTION_GIMPLE_INIT(NODE) \
+ (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_init
+#define OMP_CLAUSE_REDUCTION_GIMPLE_MERGE(NODE) \
+ (OMP_CLAUSE_CHECK (NODE))->omp_clause.gimple_reduction_merge
#define OMP_CLAUSE_REDUCTION_PLACEHOLDER(NODE) \
OMP_CLAUSE_OPERAND (OMP_CLAUSE_SUBCODE_CHECK (NODE, OMP_CLAUSE_REDUCTION), 3)
OMP_CLAUSE_SCHEDULE_STATIC,
OMP_CLAUSE_SCHEDULE_DYNAMIC,
OMP_CLAUSE_SCHEDULE_GUIDED,
+ OMP_CLAUSE_SCHEDULE_AUTO,
OMP_CLAUSE_SCHEDULE_RUNTIME
};
OMP_CLAUSE_DEFAULT_UNSPECIFIED,
OMP_CLAUSE_DEFAULT_SHARED,
OMP_CLAUSE_DEFAULT_NONE,
- OMP_CLAUSE_DEFAULT_PRIVATE
+ OMP_CLAUSE_DEFAULT_PRIVATE,
+ OMP_CLAUSE_DEFAULT_FIRSTPRIVATE
};
#define OMP_CLAUSE_DEFAULT_KIND(NODE) \
struct tree_exp GTY(())
{
struct tree_common common;
- source_locus locus;
+ location_t locus;
tree block;
tree GTY ((special ("tree_exp"),
desc ("TREE_CODE ((tree) &%0)")))
only field that can be relied upon. */
#define SSA_NAME_VAR(NODE) SSA_NAME_CHECK (NODE)->ssa_name.var
-/* Returns the statement which defines this reference. Note that
- we use the same field when chaining SSA_NAME nodes together on
- the SSA_NAME freelist. */
-#define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->common.chain
+/* Returns the statement which defines this SSA name. */
+#define SSA_NAME_DEF_STMT(NODE) SSA_NAME_CHECK (NODE)->ssa_name.def_stmt
/* Returns the SSA version number of this SSA name. Note that in
tree SSA, version numbers are not per variable and may be recycled. */
Default definitions are always created by an empty statement and
belong to no basic block. */
#define SSA_NAME_IS_DEFAULT_DEF(NODE) \
- SSA_NAME_CHECK (NODE)->base.volatile_flag
+ SSA_NAME_CHECK (NODE)->base.default_def_flag
/* Attributes for SSA_NAMEs for pointer-type variables. */
#define SSA_NAME_PTR_INFO(N) \
{
struct ssa_use_operand_d* GTY((skip(""))) prev;
struct ssa_use_operand_d* GTY((skip(""))) next;
- tree GTY((skip(""))) stmt;
+ /* Immediate uses for a given SSA name are maintained as a cyclic
+ list. To recognize the root of this list, the location field
+ needs to point to the original SSA name. Since statements and
+ SSA names are of different data types, we need this union. See
+ the explanation in struct immediate_use_iterator_d. */
+ union { gimple stmt; tree ssa_name; } GTY((skip(""))) loc;
tree *GTY((skip(""))) use;
} ssa_use_operand_t;
/* _DECL wrapped by this SSA name. */
tree var;
+ /* Statement that defines this SSA name. */
+ gimple def_stmt;
+
/* SSA version number. */
unsigned int version;
struct ssa_use_operand_d imm_uses;
};
\f
-/* In a PHI_NODE node. */
-
-/* These 2 macros should be considered off limits for use by developers. If
- you wish to access the use or def fields of a PHI_NODE in the SSA
- optimizers, use the accessor macros found in tree-ssa-operands.h.
- These two macros are to be used only by those accessor macros, and other
- select places where we *absolutely* must take the address of the tree. */
-
-#define PHI_RESULT_TREE(NODE) PHI_NODE_CHECK (NODE)->phi.result
-#define PHI_ARG_DEF_TREE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).def
-
-/* PHI_NODEs for each basic block are chained together in a single linked
- list. The head of the list is linked from the block annotation, and
- the link to the next PHI is in PHI_CHAIN. */
-#define PHI_CHAIN(NODE) PHI_NODE_CHECK (NODE)->phi.chain
-
-#define PHI_NUM_ARGS(NODE) PHI_NODE_CHECK (NODE)->phi.num_args
-#define PHI_ARG_CAPACITY(NODE) PHI_NODE_CHECK (NODE)->phi.capacity
-#define PHI_ARG_ELT(NODE, I) PHI_NODE_ELT_CHECK (NODE, I)
-#define PHI_ARG_EDGE(NODE, I) (EDGE_PRED (PHI_BB ((NODE)), (I)))
-#define PHI_BB(NODE) PHI_NODE_CHECK (NODE)->phi.bb
-#define PHI_ARG_IMM_USE_NODE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).imm_use
-
struct phi_arg_d GTY(())
{
/* imm_use MUST be the first element in struct because we do some
tree def;
};
-struct tree_phi_node GTY(())
-{
- struct tree_base common;
- tree chain;
- tree result;
- int num_args;
- int capacity;
-
- /* Basic block holding this PHI node. */
- struct basic_block_def *bb;
-
- /* Arguments of the PHI node. These are maintained in the same
- order as predecessor edge vector BB->PREDS. */
- struct phi_arg_d GTY ((length ("((tree)&%h)->phi.num_args"))) a[1];
-};
-
\f
#define OMP_CLAUSE_CODE(NODE) \
(OMP_CLAUSE_CHECK (NODE))->omp_clause.code
enum omp_clause_schedule_kind schedule_kind;
enum tree_code reduction_code;
} GTY ((skip)) subcode;
+
+ /* The gimplification of OMP_CLAUSE_REDUCTION_{INIT,MERGE} for omp-low's
+ usage. */
+ gimple_seq gimple_reduction_init;
+ gimple_seq gimple_reduction_merge;
+
tree GTY ((length ("omp_clause_num_ops[OMP_CLAUSE_CODE ((tree)&%h)]"))) ops[1];
};
\f
/* In a BLOCK node. */
#define BLOCK_VARS(NODE) (BLOCK_CHECK (NODE)->block.vars)
+#define BLOCK_NONLOCALIZED_VARS(NODE) (BLOCK_CHECK (NODE)->block.nonlocalized_vars)
+#define BLOCK_NUM_NONLOCALIZED_VARS(NODE) VEC_length (tree, BLOCK_NONLOCALIZED_VARS (NODE))
+#define BLOCK_NONLOCALIZED_VAR(NODE,N) VEC_index (tree, BLOCK_NONLOCALIZED_VARS (NODE), N)
#define BLOCK_SUBBLOCKS(NODE) (BLOCK_CHECK (NODE)->block.subblocks)
#define BLOCK_SUPERCONTEXT(NODE) (BLOCK_CHECK (NODE)->block.supercontext)
/* Note: when changing this, make sure to find the places
#define BLOCK_ABSTRACT_ORIGIN(NODE) (BLOCK_CHECK (NODE)->block.abstract_origin)
#define BLOCK_ABSTRACT(NODE) (BLOCK_CHECK (NODE)->block.abstract_flag)
-/* Nonzero means that this block is prepared to handle exceptions
- listed in the BLOCK_VARS slot. */
-#define BLOCK_HANDLER_BLOCK(NODE) \
- (BLOCK_CHECK (NODE)->block.handler_block_flag)
-
/* An index number for this block. These values are not guaranteed to
be unique across functions -- whether or not they are depends on
the debugging output format in use. */
{
struct tree_common common;
- unsigned handler_block_flag : 1;
unsigned abstract_flag : 1;
- unsigned block_num : 30;
+ unsigned block_num : 31;
+
+ location_t locus;
tree vars;
+ VEC(tree,gc) *nonlocalized_vars;
+
tree subblocks;
tree supercontext;
tree abstract_origin;
tree fragment_origin;
tree fragment_chain;
- location_t locus;
};
\f
/* Define fields and accessors for nodes representing data types. */
#define TYPE_UID(NODE) (TYPE_CHECK (NODE)->type.uid)
#define TYPE_SIZE(NODE) (TYPE_CHECK (NODE)->type.size)
#define TYPE_SIZE_UNIT(NODE) (TYPE_CHECK (NODE)->type.size_unit)
-#define TYPE_MODE(NODE) (TYPE_CHECK (NODE)->type.mode)
#define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type.values)
#define TYPE_DOMAIN(NODE) (ARRAY_TYPE_CHECK (NODE)->type.values)
#define TYPE_FIELDS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.values)
#define TYPE_MAIN_VARIANT(NODE) (TYPE_CHECK (NODE)->type.main_variant)
#define TYPE_CONTEXT(NODE) (TYPE_CHECK (NODE)->type.context)
+/* Vector types need to check target flags to determine type. */
+extern enum machine_mode vector_type_mode (const_tree);
+#define TYPE_MODE(NODE) \
+ (TREE_CODE (TYPE_CHECK (NODE)) == VECTOR_TYPE \
+ ? vector_type_mode (NODE) : (NODE)->type.mode)
+#define SET_TYPE_MODE(NODE, MODE) \
+ (TYPE_CHECK (NODE)->type.mode = (MODE))
+
/* The "canonical" type for this type node, which can be used to
compare the type for equality with another type. If two types are
equal (based on the semantics of the language), then they will have
#define TYPE_IS_SIZETYPE(NODE) \
(INTEGER_TYPE_CHECK (NODE)->type.no_force_blk_flag)
-/* In a FUNCTION_TYPE, indicates that the function returns with the stack
- pointer depressed. */
-#define TYPE_RETURNS_STACK_DEPRESSED(NODE) \
- (FUNCTION_TYPE_CHECK (NODE)->type.no_force_blk_flag)
-
/* Nonzero in a type considered volatile as a whole. */
#define TYPE_VOLATILE(NODE) (TYPE_CHECK (NODE)->base.volatile_flag)
#define TYPE_TRANSPARENT_UNION(NODE) \
(UNION_TYPE_CHECK (NODE)->type.transparent_union_flag)
-/* For an ARRAY_TYPE, indicates that it is not permitted to
- take the address of a component of the type. */
+/* For an ARRAY_TYPE, indicates that it is not permitted to take the
+ address of a component of the type. This is the counterpart of
+ DECL_NONADDRESSABLE_P for arrays, see the definition of this flag. */
#define TYPE_NONALIASED_COMPONENT(NODE) \
(ARRAY_TYPE_CHECK (NODE)->type.transparent_union_flag)
unsigned user_align : 1;
unsigned int align;
+ alias_set_type alias_set;
tree pointer_to;
tree reference_to;
union tree_type_symtab {
tree binfo;
tree context;
tree canonical;
- alias_set_type alias_set;
/* Points to a structure whose details depend on the language in use. */
struct lang_type *lang_specific;
};
#define DECL_SOURCE_LOCATION(NODE) (DECL_MINIMAL_CHECK (NODE)->decl_minimal.locus)
#define DECL_SOURCE_FILE(NODE) LOCATION_FILE (DECL_SOURCE_LOCATION (NODE))
#define DECL_SOURCE_LINE(NODE) LOCATION_LINE (DECL_SOURCE_LOCATION (NODE))
-#ifdef USE_MAPPED_LOCATION
#define DECL_IS_BUILTIN(DECL) \
(DECL_SOURCE_LOCATION (DECL) <= BUILTINS_LOCATION)
-#else
-#define DECL_IS_BUILTIN(DECL) (DECL_SOURCE_LINE(DECL) == 0)
-#endif
/* For FIELD_DECLs, this is the RECORD_TYPE, UNION_TYPE, or
QUAL_UNION_TYPE node that the field is a member of. For VAR_DECL,
bitmap GTY ((skip)) aliases;
- unsigned int is_global:1;
+ /* True if this tag has global scope. */
+ unsigned int is_global : 1;
};
#define MTAG_GLOBAL(NODE) (TREE_MEMORY_TAG_CHECK (NODE)->mtag.is_global)
#define MTAG_ALIASES(NODE) (TREE_MEMORY_TAG_CHECK (NODE)->mtag.aliases)
-struct tree_struct_field_tag GTY(())
-{
- struct tree_memory_tag common;
-
- /* Parent variable. */
- tree parent_var;
-
- /* Offset inside structure. */
- unsigned HOST_WIDE_INT offset;
-
- /* Size of the field. */
- unsigned HOST_WIDE_INT size;
-
- /* Alias set for a DECL_NONADDRESSABLE_P field. Otherwise -1. */
- alias_set_type alias_set;
-};
-#define SFT_PARENT_VAR(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.parent_var)
-#define SFT_OFFSET(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.offset)
-#define SFT_SIZE(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.size)
-#define SFT_NONADDRESSABLE_P(NODE) \
- (STRUCT_FIELD_TAG_CHECK (NODE)->sft.alias_set != -1)
-#define SFT_ALIAS_SET(NODE) (STRUCT_FIELD_TAG_CHECK (NODE)->sft.alias_set)
-
/* Memory Partition Tags (MPTs) group memory symbols under one
common name for the purposes of placing memory PHI nodes. */
/* For a FUNCTION_DECL, holds the tree of BINDINGs.
For a TRANSLATION_UNIT_DECL, holds the namespace's BLOCK.
For a VAR_DECL, holds the initial value.
- For a PARM_DECL, not used--default
+ For a PARM_DECL, used for DECL_ARG_TYPE--default
values for parameters are encoded in the type of the function,
not in the PARM_DECL slot.
For a FIELD_DECL, this is used for enumeration values and the C
(DECL_COMMON_CHECK (NODE)->decl_common.debug_expr_is_from)
/* Nonzero for a given ..._DECL node means that the name of this node should
- be ignored for symbolic debug purposes. Moreover, for a FUNCTION_DECL,
- the body of the function should also be ignored. */
+ be ignored for symbolic debug purposes. */
#define DECL_IGNORED_P(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.ignored_flag)
/* Nonzero for a given ..._DECL node means that this node represents an
unsigned gimple_reg_flag : 1;
/* In a DECL with pointer type, set if no TBAA should be done. */
unsigned no_tbaa_flag : 1;
- /* Padding so that 'align' can be on a 32-bit boundary. */
+ /* Padding so that 'off_align' can be on a 32-bit boundary. */
unsigned decl_common_unused : 2;
- unsigned int align : 24;
/* DECL_OFFSET_ALIGN, used only for FIELD_DECLs. */
unsigned int off_align : 8;
tree attributes;
tree abstract_origin;
+ /* DECL_ALIGN. It should have the same size as TYPE_ALIGN. */
+ unsigned int align;
+
alias_set_type pointer_alias_set;
/* Points to a structure whose details depend on the language in use. */
struct lang_decl *lang_specific;
#define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_2)
/* Used in a FIELD_DECL to indicate that we cannot form the address of
- this component. */
+ this component. This makes it possible for Type-Based Alias Analysis
+ to disambiguate accesses to this field with indirect accesses using
+ the field's type:
+
+ struct S { int i; } s;
+ int *p;
+
+ If the flag is set on 'i', TBAA computes that s.i and *p never conflict.
+
+ From the implementation's viewpoint, the alias set of the type of the
+ field 'i' (int) will not be recorded as a subset of that of the type of
+ 's' (struct S) in record_component_aliases. The counterpart is that
+ accesses to s.i must not be given the alias set of the type of 'i'
+ (int) but instead directly that of the type of 's' (struct S). */
#define DECL_NONADDRESSABLE_P(NODE) \
(FIELD_DECL_CHECK (NODE)->decl_common.decl_flag_3)
/* Nonzero for a given ..._DECL node means that no warnings should be
generated just because this node is unused. */
#define DECL_IN_SYSTEM_HEADER(NODE) \
- (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.in_system_header_flag)
+ (in_system_header_at (DECL_SOURCE_LOCATION (NODE)))
/* Used to indicate that this DECL has weak linkage. */
#define DECL_WEAK(NODE) (DECL_WITH_VIS_CHECK (NODE)->decl_with_vis.weak_flag)
unsigned shadowed_for_var_p : 1;
/* Don't belong to VAR_DECL exclusively. */
- unsigned in_system_header_flag : 1;
unsigned weak_flag:1;
unsigned seen_in_bind_expr : 1;
unsigned comdat_flag : 1;
/* Belongs to VAR_DECL exclusively. */
ENUM_BITFIELD(tls_model) tls_model : 3;
- /* 11 unused bits. */
+ /* 12 unused bits. */
};
/* In a VAR_DECL that's static,
#define SET_DECL_DEBUG_EXPR(NODE, VAL) \
(decl_debug_expr_insert (VAR_DECL_CHECK (NODE), VAL))
-/* An initializationp priority. */
+/* An initialization priority. */
typedef unsigned short priority_type;
extern priority_type decl_init_priority_lookup (tree);
#define DECL_HAS_INIT_PRIORITY_P(NODE) \
(VAR_DECL_CHECK (NODE)->decl_with_vis.init_priority_p)
-/* For a VAR_DECL or FUNCTION_DECL with DECL_HAS_INIT_PRIORITY_P set,
- the initialization priority of NODE. */
+/* For a VAR_DECL or FUNCTION_DECL the initialization priority of
+ NODE. */
#define DECL_INIT_PRIORITY(NODE) \
(decl_init_priority_lookup (NODE))
/* Set the initialization priority for NODE to VAL. */
#define SET_DECL_INIT_PRIORITY(NODE, VAL) \
(decl_init_priority_insert (NODE, VAL))
-/* For a FUNCTION_DECL with DECL_HAS_INIT_PRIORITY_P set, the
- finalization priority of NODE. */
+/* For a FUNCTION_DECL the finalization priority of NODE. */
#define DECL_FINI_PRIORITY(NODE) \
(decl_fini_priority_lookup (NODE))
/* Set the finalization priority for NODE to VAL. */
/* In a VAR_DECL, nonzero if the data should be allocated from
thread-local storage. */
#define DECL_THREAD_LOCAL_P(NODE) \
- (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model != TLS_MODEL_NONE)
+ (VAR_DECL_CHECK (NODE)->decl_with_vis.tls_model >= TLS_MODEL_REAL)
struct tree_var_decl GTY(())
{
not an alias. */
#define DECL_IS_MALLOC(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.malloc_flag)
+/* Nonzero in a FUNCTION_DECL means this function should be treated as
+ C++ operator new, meaning that it returns a pointer for which we
+ should not use type based aliasing. */
+#define DECL_IS_OPERATOR_NEW(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.operator_new_flag)
+
/* Nonzero in a FUNCTION_DECL means this function may return more
than once. */
#define DECL_IS_RETURNS_TWICE(NODE) \
/* Nonzero in a FUNCTION_DECL means this function should be treated
as "pure" function (like const function, but may read global memory). */
-#define DECL_IS_PURE(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
+#define DECL_PURE_P(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.pure_flag)
+
+/* Nonzero only if one of TREE_READONLY or DECL_PURE_P is nonzero AND
+ the const or pure function may not terminate. When this is nonzero
+ for a const or pure function, it can be dealt with by cse passes
+ but cannot be removed by dce passes since you are not allowed to
+ change an infinite looping program into one that terminates without
+ error. */
+#define DECL_LOOPING_CONST_OR_PURE_P(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.looping_const_or_pure_flag)
/* Nonzero in a FUNCTION_DECL means this function should be treated
as "novops" function (function that does not read global memory,
#define DECL_POSSIBLY_INLINED(DECL) \
FUNCTION_DECL_CHECK (DECL)->function_decl.possibly_inlined
-/* Nonzero in a FUNCTION_DECL means this function can be substituted
- where it is called. */
-#define DECL_INLINE(NODE) (FUNCTION_DECL_CHECK (NODE)->function_decl.inline_flag)
-
/* Nonzero in a FUNCTION_DECL means that this function was declared inline,
such as via the `inline' keyword in C/C++. This flag controls the linkage
- semantics of 'inline'; whether or not the function is inlined is
- controlled by DECL_INLINE. */
+ semantics of 'inline' */
#define DECL_DECLARED_INLINE_P(NODE) \
(FUNCTION_DECL_CHECK (NODE)->function_decl.declared_inline_flag)
+/* Nonzero in a FUNCTION_DECL means this function should not get
+ -Winline warnings. */
+#define DECL_NO_INLINE_WARNING_P(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.no_inline_warning_flag)
+
/* Nonzero in a FUNCTION_DECL that should be always inlined by the inliner
disregarding size and cost heuristics. This is equivalent to using
the always_inline attribute without the required diagnostics if the
#define DECL_ARGUMENTS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_non_common.arguments)
#define DECL_ARGUMENT_FLD(NODE) (DECL_NON_COMMON_CHECK (NODE)->decl_non_common.arguments)
+/* In FUNCTION_DECL, the function specific target options to use when compiling
+ this function. */
+#define DECL_FUNCTION_SPECIFIC_TARGET(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_target)
+
+/* In FUNCTION_DECL, the function specific optimization options to use when
+ compiling this function. */
+#define DECL_FUNCTION_SPECIFIC_OPTIMIZATION(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.function_specific_optimization)
+
/* FUNCTION_DECL inherits from DECL_NON_COMMON because of the use of the
arguments/result/saved_tree fields by front ends. It was either inherit
FUNCTION_DECL from non_common, or inherit non_common from FUNCTION_DECL,
struct function *f;
+ /* Function specific options that are used by this function. */
+ tree function_specific_target; /* target options */
+ tree function_specific_optimization; /* optimization options */
+
/* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
DECL_FUNCTION_CODE. Otherwise unused.
??? The bitfield needs to be able to hold all target function
unsigned novops_flag : 1;
unsigned returns_twice_flag : 1;
unsigned malloc_flag : 1;
- unsigned pure_flag : 1;
+ unsigned operator_new_flag : 1;
unsigned declared_inline_flag : 1;
unsigned regdecl_flag : 1;
- unsigned inline_flag : 1;
+ unsigned no_inline_warning_flag : 1;
unsigned no_instrument_function_entry_exit : 1;
unsigned no_limit_stack : 1;
unsigned disregard_inline_limits : 1;
+ unsigned pure_flag : 1;
+ unsigned looping_const_or_pure_flag : 1;
+
- /* 5 bits left */
+ /* 3 bits left */
};
/* For a TYPE_DECL, holds the "original" type. (TREE_TYPE has the copy.) */
#define TYPE_DECL_SUPPRESS_DEBUG(NODE) \
(TYPE_DECL_CHECK (NODE)->decl_common.decl_flag_2)
+/* Getter of the imported declaration associated to the
+ IMPORTED_DECL node. */
+#define IMPORTED_DECL_ASSOCIATED_DECL(NODE) \
+(DECL_INITIAL (IMPORTED_DECL_CHECK (NODE)))
+
struct tree_type_decl GTY(())
{
struct tree_decl_non_common common;
struct tree_statement_list_node *tail;
};
-#define VALUE_HANDLE_ID(NODE) \
- (VALUE_HANDLE_CHECK (NODE)->value_handle.id)
-
-#define VALUE_HANDLE_EXPR_SET(NODE) \
- (VALUE_HANDLE_CHECK (NODE)->value_handle.expr_set)
-/* Defined and used in tree-ssa-pre.c. */
+/* Optimization options used by a function. */
-struct tree_value_handle GTY(())
+struct tree_optimization_option GTY(())
{
struct tree_common common;
- /* The set of expressions represented by this handle. */
- struct bitmap_set * GTY ((skip)) expr_set;
+ /* The optimization options used by the user. */
+ struct cl_optimization opts;
+};
+
+#define TREE_OPTIMIZATION(NODE) \
+ (&OPTIMIZATION_NODE_CHECK (NODE)->optimization.opts)
+
+/* Return a tree node that encapsulates the current optimization options. */
+extern tree build_optimization_node (void);
- /* Unique ID for this value handle. IDs are handed out in a
- conveniently dense form starting at 0, so that we can make
- bitmaps of value handles. */
- unsigned int id;
+/* Target options used by a function. */
+
+struct tree_target_option GTY(())
+{
+ struct tree_common common;
+
+ /* The optimization options used by the user. */
+ struct cl_target_option opts;
};
+
+#define TREE_TARGET_OPTION(NODE) \
+ (&TARGET_OPTION_NODE_CHECK (NODE)->target_option.opts)
+
+/* Return a tree node that encapsulates the current target options. */
+extern tree build_target_option_node (void);
+
\f
/* Define the overall contents of a tree node.
It may be any of the structures declared above
struct tree_vec GTY ((tag ("TS_VEC"))) vec;
struct tree_exp GTY ((tag ("TS_EXP"))) exp;
struct tree_ssa_name GTY ((tag ("TS_SSA_NAME"))) ssa_name;
- struct tree_phi_node GTY ((tag ("TS_PHI_NODE"))) phi;
struct tree_block GTY ((tag ("TS_BLOCK"))) block;
struct tree_binfo GTY ((tag ("TS_BINFO"))) binfo;
struct tree_statement_list GTY ((tag ("TS_STATEMENT_LIST"))) stmt_list;
- struct gimple_stmt GTY ((tag ("TS_GIMPLE_STATEMENT"))) gstmt;
- struct tree_value_handle GTY ((tag ("TS_VALUE_HANDLE"))) value_handle;
struct tree_constructor GTY ((tag ("TS_CONSTRUCTOR"))) constructor;
struct tree_memory_tag GTY ((tag ("TS_MEMORY_TAG"))) mtag;
- struct tree_struct_field_tag GTY ((tag ("TS_STRUCT_FIELD_TAG"))) sft;
struct tree_omp_clause GTY ((tag ("TS_OMP_CLAUSE"))) omp_clause;
struct tree_memory_partition_tag GTY ((tag ("TS_MEMORY_PARTITION_TAG"))) mpt;
+ struct tree_optimization_option GTY ((tag ("TS_OPTIMIZATION"))) optimization;
+ struct tree_target_option GTY ((tag ("TS_TARGET_OPTION"))) target_option;
};
\f
/* Standard named or nameless data types of the C compiler. */
TI_SAT_UDA_TYPE,
TI_SAT_UTA_TYPE,
+ TI_OPTIMIZATION_DEFAULT,
+ TI_OPTIMIZATION_CURRENT,
+ TI_TARGET_OPTION_DEFAULT,
+ TI_TARGET_OPTION_CURRENT,
+ TI_CURRENT_TARGET_PRAGMA,
+ TI_CURRENT_OPTIMIZE_PRAGMA,
+
TI_MAX
};
#define main_identifier_node global_trees[TI_MAIN_IDENTIFIER]
#define MAIN_NAME_P(NODE) (IDENTIFIER_NODE_CHECK (NODE) == main_identifier_node)
+/* Optimization options (OPTIMIZATION_NODE) to use for default and current
+ functions. */
+#define optimization_default_node global_trees[TI_OPTIMIZATION_DEFAULT]
+#define optimization_current_node global_trees[TI_OPTIMIZATION_CURRENT]
+
+/* Default/current target options (TARGET_OPTION_NODE). */
+#define target_option_default_node global_trees[TI_TARGET_OPTION_DEFAULT]
+#define target_option_current_node global_trees[TI_TARGET_OPTION_CURRENT]
+
+/* Default tree list option(), optimize() pragmas to be linked into the
+ attribute list. */
+#define current_target_pragma global_trees[TI_CURRENT_TARGET_PRAGMA]
+#define current_optimize_pragma global_trees[TI_CURRENT_OPTIMIZE_PRAGMA]
+
/* An enumeration of the standard C integer types. These must be
ordered so that shorter types appear before longer ones, and so
that signed types appear before unsigned ones, for the correct
#define NULL_TREE (tree) NULL
extern tree decl_assembler_name (tree);
-extern bool decl_assembler_name_equal (tree decl, tree asmname);
+extern bool decl_assembler_name_equal (tree decl, const_tree asmname);
+extern hashval_t decl_assembler_name_hash (const_tree asmname);
/* Compute the number of bytes occupied by 'node'. This routine only
looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH. */
extern size_t tree_size (const_tree);
/* Compute the number of bytes occupied by a tree with code CODE. This
- function cannot be used for TREE_VEC or PHI_NODE codes, which are of
- variable length. */
+ function cannot be used for TREE_VEC codes, which are of variable
+ length. */
extern size_t tree_code_size (enum tree_code);
/* Lowest level primitive for allocating a node.
extern tree make_tree_vec_stat (int MEM_STAT_DECL);
#define make_tree_vec(t) make_tree_vec_stat (t MEM_STAT_INFO)
-/* Tree nodes for SSA analysis. */
-
-extern void init_phinodes (void);
-extern void fini_phinodes (void);
-extern void release_phi_node (tree);
-#ifdef GATHER_STATISTICS
-extern void phinodes_print_statistics (void);
-#endif
-
-extern void init_ssanames (void);
-extern void fini_ssanames (void);
-extern tree make_ssa_name (tree, tree);
-extern tree duplicate_ssa_name (tree, tree);
-extern void duplicate_ssa_name_ptr_info (tree, struct ptr_info_def *);
-extern void release_ssa_name (tree);
-extern void release_defs (tree);
-extern void replace_ssa_name_symbol (tree, tree);
-
-#ifdef GATHER_STATISTICS
-extern void ssanames_print_statistics (void);
-#endif
-
/* Return the (unique) IDENTIFIER_NODE node for a given name.
The name is supplied as a char *. */
#define build7(c,t1,t2,t3,t4,t5,t6,t7,t8) \
build7_stat (c,t1,t2,t3,t4,t5,t6,t7,t8 MEM_STAT_INFO)
-extern tree build_gimple_modify_stmt_stat (tree, tree MEM_STAT_DECL);
-#define build_gimple_modify_stmt(t1,t2) \
- build_gimple_modify_stmt_stat (t1,t2 MEM_STAT_INFO)
-
extern tree build_int_cst (tree, HOST_WIDE_INT);
extern tree build_int_cst_type (tree, HOST_WIDE_INT);
extern tree build_int_cstu (tree, unsigned HOST_WIDE_INT);
extern tree build_fn_decl (const char *, tree);
#define build_decl(c,t,q) build_decl_stat (c,t,q MEM_STAT_INFO)
extern tree build_block (tree, tree, tree, tree);
-#ifndef USE_MAPPED_LOCATION
-extern void annotate_with_file_line (tree, const char *, int);
-extern void annotate_with_locus (tree, location_t);
-#endif
extern tree build_empty_stmt (void);
extern tree build_omp_clause (enum omp_clause_code);
extern tree build_array_type (tree, tree);
extern tree build_function_type (tree, tree);
extern tree build_function_type_list (tree, ...);
+extern tree build_function_type_skip_args (tree, bitmap);
+extern tree build_function_decl_skip_args (tree, bitmap);
+extern tree build_varargs_function_type_list (tree, ...);
extern tree build_method_type_directly (tree, tree, tree);
extern tree build_method_type (tree, tree);
extern tree build_offset_type (tree, tree);
extern int tree_int_cst_msb (const_tree);
extern int tree_int_cst_sgn (const_tree);
extern int tree_int_cst_sign_bit (const_tree);
+extern unsigned int tree_int_cst_min_precision (tree, bool);
extern bool tree_expr_nonnegative_p (tree);
extern bool tree_expr_nonnegative_warnv_p (tree, bool *);
extern bool may_negate_without_overflow_p (const_tree);
-extern tree get_inner_array_type (const_tree);
+extern tree strip_array_types (tree);
/* Construct various nodes representing fract or accum data types. */
int packed_maybe_necessary;
} *record_layout_info;
-extern void set_lang_adjust_rli (void (*) (record_layout_info));
extern record_layout_info start_record_layout (tree);
extern tree bit_from_pos (tree, tree);
extern tree byte_from_pos (tree, tree);
extern bool initializer_zerop (const_tree);
+/* Given a CONSTRUCTOR CTOR, return the elements as a TREE_LIST. */
+
+extern tree ctor_to_list (tree);
+
/* Examine CTOR to discover:
* how many scalar fields are set to nonzero values,
and place it in *P_NZ_ELTS;
extern tree get_narrower (tree, int *);
-/* Given an expression EXP that may be a COMPONENT_REF or an ARRAY_REF,
- look for nested component-refs or array-refs at constant positions
- and find the ultimate containing object, which is returned. */
+/* Return true if T is an expression that get_inner_reference handles. */
+
+extern int handled_component_p (const_tree);
+
+/* Given an expression EXP that is a handled_component_p,
+ look for the ultimate containing object, which is returned and specify
+ the access position and size. */
extern tree get_inner_reference (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
tree *, enum machine_mode *, int *, int *,
bool);
-/* Given an expression EXP that may be a COMPONENT_REF or an ARRAY_REF,
- look for whether EXP or any nested component-refs within EXP is marked
- as PACKED. */
+/* Given an expression EXP that may be a COMPONENT_REF, an ARRAY_REF or an
+ ARRAY_RANGE_REF, look for whether EXP or any nested component-refs within
+ EXP is marked as PACKED. */
extern bool contains_packed_reference (const_tree exp);
-/* Return 1 if T is an expression that get_inner_reference handles. */
-
-extern int handled_component_p (const_tree);
-
/* Return a tree of sizetype representing the size, in bytes, of the element
- of EXP, an ARRAY_REF. */
+ of EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
extern tree array_ref_element_size (tree);
/* Return a tree representing the lower bound of the array mentioned in
- EXP, an ARRAY_REF. */
+ EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
extern tree array_ref_low_bound (tree);
/* Return a tree representing the upper bound of the array mentioned in
- EXP, an ARRAY_REF. */
+ EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
extern tree array_ref_up_bound (tree);
/* Nonzero means a FUNC_BEGIN label was emitted. */
extern GTY(()) const char * current_function_func_begin_label;
\f
+/* Iterator for going through the function arguments. */
+typedef struct {
+ tree fntype; /* function type declaration */
+ tree next; /* TREE_LIST pointing to the next argument */
+} function_args_iterator;
+
+/* Initialize the iterator I with arguments from function FNDECL */
+
+static inline void
+function_args_iter_init (function_args_iterator *i, tree fntype)
+{
+ i->fntype = fntype;
+ i->next = TYPE_ARG_TYPES (fntype);
+}
+
+/* Return a pointer that holds the next argument if there are more arguments to
+ handle, otherwise return NULL. */
+
+static inline tree *
+function_args_iter_cond_ptr (function_args_iterator *i)
+{
+ return (i->next) ? &TREE_VALUE (i->next) : NULL;
+}
+
+/* Return the next argument if there are more arguments to handle, otherwise
+ return NULL. */
+
+static inline tree
+function_args_iter_cond (function_args_iterator *i)
+{
+ return (i->next) ? TREE_VALUE (i->next) : NULL_TREE;
+}
+
+/* Advance to the next argument. */
+static inline void
+function_args_iter_next (function_args_iterator *i)
+{
+ gcc_assert (i->next != NULL_TREE);
+ i->next = TREE_CHAIN (i->next);
+}
+
+/* We set BLOCK_SOURCE_LOCATION only to inlined function entry points. */
+
+static inline bool
+inlined_function_outer_scope_p (const_tree block)
+{
+ return BLOCK_SOURCE_LOCATION (block) != UNKNOWN_LOCATION;
+}
+
+/* Loop over all function arguments of FNTYPE. In each iteration, PTR is set
+ to point to the next tree element. ITER is an instance of
+ function_args_iterator used to iterate the arguments. */
+#define FOREACH_FUNCTION_ARGS_PTR(FNTYPE, PTR, ITER) \
+ for (function_args_iter_init (&(ITER), (FNTYPE)); \
+ (PTR = function_args_iter_cond_ptr (&(ITER))) != NULL; \
+ function_args_iter_next (&(ITER)))
+
+/* Loop over all function arguments of FNTYPE. In each iteration, TREE is set
+ to the next tree element. ITER is an instance of function_args_iterator
+ used to iterate the arguments. */
+#define FOREACH_FUNCTION_ARGS(FNTYPE, TREE, ITER) \
+ for (function_args_iter_init (&(ITER), (FNTYPE)); \
+ (TREE = function_args_iter_cond (&(ITER))) != NULL_TREE; \
+ function_args_iter_next (&(ITER)))
+
+
+\f
/* In tree.c */
extern unsigned crc32_string (unsigned, const char *);
extern void clean_symbol_name (char *);
extern tree upper_bound_in_type (tree, tree);
extern tree lower_bound_in_type (tree, tree);
extern int operand_equal_for_phi_arg_p (const_tree, const_tree);
-extern bool empty_body_p (const_tree);
extern tree call_expr_arg (tree, int);
extern tree *call_expr_argp (tree, int);
extern tree call_expr_arglist (tree);
+extern tree create_artificial_label (void);
+extern const char *get_name (tree);
+extern bool stdarg_p (tree);
+extern bool prototype_p (tree);
+extern int function_args_count (tree);
extern bool auto_var_in_fn_p (const_tree, const_tree);
\f
+/* In gimplify.c */
+extern tree unshare_expr (tree);
+\f
/* In stmt.c */
extern void expand_expr_stmt (tree);
extern rtx expand_stack_save (void);
extern void expand_stack_restore (tree);
extern void expand_return (tree);
-extern int is_body_block (const_tree);
/* In tree-eh.c */
extern void using_eh_for_cleanups (void);
extern tree fold (tree);
extern tree fold_unary (enum tree_code, tree, tree);
+extern tree fold_unary_ignore_overflow (enum tree_code, tree, tree);
extern tree fold_binary (enum tree_code, tree, tree, tree);
extern tree fold_ternary (enum tree_code, tree, tree, tree, tree);
extern tree fold_build1_stat (enum tree_code, tree, tree MEM_STAT_DECL);
extern tree fold_abs_const (tree, tree);
extern tree fold_indirect_ref_1 (tree, tree);
extern void fold_defer_overflow_warnings (void);
-extern void fold_undefer_overflow_warnings (bool, const_tree, int);
+extern void fold_undefer_overflow_warnings (bool, const_gimple, int);
extern void fold_undefer_and_ignore_overflow_warnings (void);
extern bool fold_deferring_overflow_warnings_p (void);
extern tree maybe_fold_offset_to_reference (tree, tree, tree);
+extern tree maybe_fold_offset_to_address (tree, tree, tree);
+extern tree maybe_fold_stmt_addition (tree, tree, tree);
extern tree force_fit_type_double (tree, unsigned HOST_WIDE_INT, HOST_WIDE_INT,
int, bool);
extern tree build_low_bits_mask (tree, unsigned);
extern bool tree_swap_operands_p (const_tree, const_tree, bool);
-extern void swap_tree_operands (tree, tree *, tree *);
extern enum tree_code swap_tree_comparison (enum tree_code);
extern bool ptr_difference_const (tree, tree, HOST_WIDE_INT *);
extern enum tree_code invert_tree_comparison (enum tree_code, bool);
extern bool tree_expr_nonzero_p (tree);
+extern bool tree_unary_nonzero_warnv_p (enum tree_code, tree, tree, bool *);
+extern bool tree_binary_nonzero_warnv_p (enum tree_code, tree, tree, tree op1,
+ bool *);
+extern bool tree_single_nonzero_warnv_p (tree, bool *);
extern bool tree_expr_nonzero_warnv_p (tree, bool *);
+extern bool tree_unary_nonnegative_warnv_p (enum tree_code, tree, tree, bool *);
+extern bool tree_binary_nonnegative_warnv_p (enum tree_code, tree, tree, tree,
+ bool *);
+extern bool tree_single_nonnegative_warnv_p (tree t, bool *strict_overflow_p);
+extern bool tree_invalid_nonnegative_warnv_p (tree t, bool *strict_overflow_p);
+extern bool tree_call_nonnegative_warnv_p (tree, tree, tree, tree, bool *);
+
+extern bool tree_expr_nonzero_warnv_p (tree, bool *);
+
+extern bool fold_real_zero_addition_p (const_tree, const_tree, int);
+
+/* Return nonzero if CODE is a tree code that represents a truth value. */
+static inline bool
+truth_value_p (enum tree_code code)
+{
+ return (TREE_CODE_CLASS (code) == tcc_comparison
+ || code == TRUTH_AND_EXPR || code == TRUTH_ANDIF_EXPR
+ || code == TRUTH_OR_EXPR || code == TRUTH_ORIF_EXPR
+ || code == TRUTH_XOR_EXPR || code == TRUTH_NOT_EXPR);
+}
+
/* In builtins.c */
extern tree fold_call_expr (tree, bool);
extern bool fold_builtin_next_arg (tree, bool);
extern enum built_in_function builtin_mathfn_code (const_tree);
extern tree build_function_call_expr (tree, tree);
-extern tree fold_build_call_expr (tree, tree, tree, tree);
extern tree fold_builtin_call_array (tree, tree, int, tree *);
extern void debug_fold_checksum (const_tree);
extern tree build_call_expr (tree, int, ...);
extern tree mathfn_built_in (tree, enum built_in_function fn);
extern tree strip_float_extensions (tree);
extern tree c_strlen (tree, int);
-extern tree std_gimplify_va_arg_expr (tree, tree, tree *, tree *);
+extern tree std_gimplify_va_arg_expr (tree, tree, gimple_seq *, gimple_seq *);
extern tree build_va_arg_indirect_ref (tree);
extern tree build_string_literal (int, const char *);
extern bool validate_arglist (const_tree, ...);
extern rtx builtin_memset_read_str (void *, HOST_WIDE_INT, enum machine_mode);
extern int get_pointer_alignment (tree, unsigned int);
+extern int get_object_alignment (tree, unsigned int, unsigned int);
+extern tree fold_call_stmt (gimple, bool);
+extern tree gimple_fold_builtin_snprintf_chk (gimple, tree, enum built_in_function);
/* In convert.c */
extern tree strip_float_extensions (tree);
-/* In alias.c */
-extern void record_component_aliases (tree);
-extern alias_set_type get_alias_set (tree);
-extern int alias_sets_conflict_p (alias_set_type, alias_set_type);
-extern int alias_sets_must_conflict_p (alias_set_type, alias_set_type);
-extern int objects_must_conflict_p (tree, tree);
-
/* In tree.c */
extern int really_constant_p (const_tree);
+extern bool decl_address_invariant_p (const_tree);
+extern bool decl_address_ip_invariant_p (const_tree);
extern int int_fits_type_p (const_tree, const_tree);
+#ifndef GENERATOR_FILE
extern void get_type_static_bounds (const_tree, mpz_t, mpz_t);
+#endif
extern bool variably_modified_type_p (tree, tree);
extern int tree_log2 (const_tree);
extern int tree_floor_log2 (const_tree);
extern int simple_cst_equal (const_tree, const_tree);
extern hashval_t iterative_hash_expr (const_tree, hashval_t);
+extern hashval_t iterative_hash_exprs_commutative (const_tree,
+ const_tree, hashval_t);
+extern hashval_t iterative_hash_hashval_t (hashval_t, hashval_t);
extern int compare_tree_int (const_tree, unsigned HOST_WIDE_INT);
extern int type_list_equal (const_tree, const_tree);
extern int chain_member (const_tree, const_tree);
extern bool fields_compatible_p (const_tree, const_tree);
extern tree find_compatible_field (tree, tree);
-extern location_t expr_location (const_tree);
-extern void set_expr_location (tree, location_t);
-extern bool expr_has_location (const_tree);
-extern
-#ifdef USE_MAPPED_LOCATION
-source_location *
-#else
-source_locus
-#endif
-expr_locus (const_tree);
-extern void set_expr_locus (tree,
-#ifdef USE_MAPPED_LOCATION
- source_location *loc
-#else
- source_locus loc
-#endif
- );
-extern const char **expr_filename (const_tree);
-extern int *expr_lineno (const_tree);
+extern void set_expr_locus (tree, source_location *);
+
extern tree *tree_block (tree);
-extern tree *generic_tree_operand (tree, int);
-extern tree *generic_tree_type (tree);
+extern location_t *block_nonartificial_location (tree);
+extern location_t tree_nonartificial_location (tree);
/* In function.c */
extern void expand_main_function (void);
extern void init_dummy_function_start (void);
extern void expand_dummy_function_end (void);
extern unsigned int init_function_for_compilation (void);
-extern void allocate_struct_function (tree);
+extern void allocate_struct_function (tree, bool);
extern void push_struct_function (tree fndecl);
extern void init_function_start (tree);
extern bool use_register_for_decl (const_tree);
extern int aggregate_value_p (const_tree, const_tree);
extern void push_function_context (void);
extern void pop_function_context (void);
-extern void push_function_context_to (tree);
-extern void pop_function_context_from (tree);
-extern tree gimplify_parameters (void);
+extern gimple_seq gimplify_parameters (void);
/* In print-rtl.c */
#ifdef BUFSIZ
/* Nonzero if this is a call to a function whose return value depends
solely on its arguments, has no side effects, and does not read
- global memory. */
-#define ECF_CONST 1
+ global memory. This corresponds to TREE_READONLY for function
+ decls. */
+#define ECF_CONST (1 << 0)
+/* Nonzero if this is a call to "pure" function (like const function,
+ but may read memory. This corresponds to DECL_PURE_P for function
+ decls. */
+#define ECF_PURE (1 << 1)
+/* Nonzero if this is ECF_CONST or ECF_PURE but cannot be proven to no
+ infinite loop. This corresponds to DECL_LOOPING_CONST_OR_PURE_P
+ for function decls.*/
+#define ECF_LOOPING_CONST_OR_PURE (1 << 2)
/* Nonzero if this call will never return. */
-#define ECF_NORETURN 2
+#define ECF_NORETURN (1 << 3)
/* Nonzero if this is a call to malloc or a related function. */
-#define ECF_MALLOC 4
+#define ECF_MALLOC (1 << 4)
/* Nonzero if it is plausible that this is a call to alloca. */
-#define ECF_MAY_BE_ALLOCA 8
+#define ECF_MAY_BE_ALLOCA (1 << 5)
/* Nonzero if this is a call to a function that won't throw an exception. */
-#define ECF_NOTHROW 16
+#define ECF_NOTHROW (1 << 6)
/* Nonzero if this is a call to setjmp or a related function. */
-#define ECF_RETURNS_TWICE 32
+#define ECF_RETURNS_TWICE (1 << 7)
/* Nonzero if this call replaces the current stack frame. */
-#define ECF_SIBCALL 64
-/* Nonzero if this is a call to "pure" function (like const function,
- but may read memory. */
-#define ECF_PURE 128
-/* Nonzero if this is a call to a function that returns with the stack
- pointer depressed. */
-#define ECF_SP_DEPRESSED 256
-/* Create libcall block around the call. */
-#define ECF_LIBCALL_BLOCK 512
+#define ECF_SIBCALL (1 << 8)
/* Function does not read or write memory (but may have side effects, so
it does not necessarily fit ECF_CONST). */
-#define ECF_NOVOPS 1024
+#define ECF_NOVOPS (1 << 9)
extern int flags_from_decl_or_type (const_tree);
extern int call_expr_flags (const_tree);
extern int setjmp_call_p (const_tree);
+extern bool gimple_alloca_call_p (const_gimple);
extern bool alloca_call_p (const_tree);
extern bool must_pass_in_stack_var_size (enum machine_mode, const_tree);
extern bool must_pass_in_stack_var_size_or_pad (enum machine_mode, const_tree);
+extern tree block_ultimate_origin (const_tree);
/* In attribs.c. */
+extern const struct attribute_spec *lookup_attribute_spec (tree);
+
/* Process the attributes listed in ATTRIBUTES and install them in *NODE,
which is either a DECL (including a TYPE_DECL) or a TYPE. If a DECL,
it should be modified in place; if a TYPE, a copy should be created
extern tree resolve_asm_operand_names (tree, tree, tree);
extern void expand_case (tree);
extern void expand_decl (tree);
-extern void expand_anon_union_decl (tree, tree, tree);
#ifdef HARD_CONST
/* Silly ifdef to avoid having all includers depend on hard-reg-set.h. */
extern tree tree_overlaps_hard_reg_set (tree, HARD_REG_SET *);
#endif
-/* In gimplify.c. */
-extern tree create_artificial_label (void);
-extern void gimplify_function_tree (tree);
-extern const char *get_name (const_tree);
-extern tree unshare_expr (tree);
-extern void sort_case_labels (tree);
\f
/* Interface of the DWARF2 unwind info support. */
/* Assign the RTX to declaration. */
extern void set_decl_rtl (tree, rtx);
-extern void set_decl_incoming_rtl (tree, rtx);
+extern void set_decl_incoming_rtl (tree, rtx, bool);
\f
/* Enum and arrays used for tree allocation stats.
Keep in sync with tree.c:tree_node_kind_names. */
temp_list_kind,
vec_kind,
binfo_kind,
- phi_kind,
ssa_name_kind,
constr_kind,
x_kind,
lang_decl,
lang_type,
omp_clause_kind,
- gimple_stmt_kind,
all_kinds
} tree_node_kind;
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