#include "machmode.h"
#include "input.h"
#include "statistics.h"
+#include "vec.h"
/* Codes of tree nodes */
/* Returns nonzero iff CLASS is not the tree code of a type. */
-#define IS_NON_TYPE_CODE_CLASS(CLASS) (strchr ("xbcdr<12se", (CLASS)) != 0)
+#define IS_NON_TYPE_CODE_CLASS(CLASS) ((CLASS) != 't')
/* Returns nonzero iff CLASS is the tree-code class of an
expression. */
/* Names of tree components. */
extern const char *const tree_code_name[];
+
+/* A vector of trees. */
+DEF_VEC_P(tree);
+
\f
/* Classify which part of the compiler has defined a given builtin function.
Note that we assume below that this is no more than two bits. */
TREE_STATIC in
VAR_DECL, FUNCTION_DECL, CONSTRUCTOR, ADDR_EXPR
- TREE_VIA_VIRTUAL in
- TREE_LIST or TREE_VEC
+ BINFO_VIRTUAL_P in
+ TREE_BINFO
TREE_CONSTANT_OVERFLOW in
INTEGER_CST, REAL_CST, COMPLEX_CST, VECTOR_CST
TREE_SYMBOL_REFERENCED in
IDENTIFIER_NODE
CLEANUP_EH_ONLY in
- TARGET_EXPR, WITH_CLEANUP_EXPR, CLEANUP_STMT,
- TREE_LIST elements of a block's cleanup list.
+ TARGET_EXPR, WITH_CLEANUP_EXPR
ASM_INPUT_P in
ASM_EXPR
EH_FILTER_MUST_NOT_THROW in EH_FILTER_EXPR
??? and other expressions?
TREE_PUBLIC in
VAR_DECL or FUNCTION_DECL or IDENTIFIER_NODE
- TREE_VIA_PUBLIC in
- TREE_LIST or TREE_VEC
ASM_VOLATILE_P in
ASM_EXPR
+ TYPE_CACHED_VALUES_P in
+ ..._TYPE
private_flag:
..._DECL
CALL_EXPR_HAS_RETURN_SLOT_ADDR in
CALL_EXPR
+ DECL_BY_REFERENCE in
+ PARM_DECL, RESULT_DECL
protected_flag:
BLOCK
..._DECL
CALL_FROM_THUNK_P in
- CALL_EXPR
+ CALL_EXPR
side_effects_flag:
all decls
BIT_FIELD_REF_UNSIGNED in
BIT_FIELD_REF
- SAVE_EXPR_NOPLACEHOLDER in
- SAVE_EXPR
asm_written_flag:
TYPE_ALIGN_OK in
..._TYPE
+ TREE_THIS_NOTRAP in
+ INDIRECT_REF, ARRAY_REF, ARRAY_RANGE_REF
+
deprecated_flag:
TREE_DEPRECATED in
#define TREE_CHECK(T, CODE) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) != (CODE)) \
- tree_check_failed (__t, (CODE), __FILE__, __LINE__, __FUNCTION__); \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE), 0); \
+ __t; })
+
+#define TREE_NOT_CHECK(T, CODE) __extension__ \
+({ const tree __t = (T); \
+ if (TREE_CODE (__t) == (CODE)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE), 0); \
__t; })
#define TREE_CHECK2(T, CODE1, CODE2) __extension__ \
({ const tree __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2)) \
- tree_check2_failed (__t, (CODE1), (CODE2), __FILE__, __LINE__, \
- __FUNCTION__); \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), 0); \
+ __t; })
+
+#define TREE_NOT_CHECK2(T, CODE1, CODE2) __extension__ \
+({ const tree __t = (T); \
+ if (TREE_CODE (__t) == (CODE1) \
+ || TREE_CODE (__t) == (CODE2)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), 0); \
__t; })
#define TREE_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2) \
&& TREE_CODE (__t) != (CODE3)) \
- tree_check3_failed (__t, (CODE1), (CODE2), (CODE3), __FILE__, \
- __LINE__, __FUNCTION__); \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), 0); \
+ __t; })
+
+#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
+({ const tree __t = (T); \
+ if (TREE_CODE (__t) == (CODE1) \
+ || TREE_CODE (__t) == (CODE2) \
+ || TREE_CODE (__t) == (CODE3)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), 0); \
__t; })
#define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
&& TREE_CODE (__t) != (CODE2) \
&& TREE_CODE (__t) != (CODE3) \
&& TREE_CODE (__t) != (CODE4)) \
- tree_check4_failed (__t, (CODE1), (CODE2), (CODE3), (CODE4), \
- __FILE__, __LINE__, __FUNCTION__); \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), (CODE4), 0); \
+ __t; })
+
+#define NON_TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
+({ const tree __t = (T); \
+ if (TREE_CODE (__t) == (CODE1) \
+ || TREE_CODE (__t) == (CODE2) \
+ || TREE_CODE (__t) == (CODE3) \
+ || TREE_CODE (__t) == (CODE4)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), (CODE4), 0); \
__t; })
#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
&& TREE_CODE (__t) != (CODE3) \
&& TREE_CODE (__t) != (CODE4) \
&& TREE_CODE (__t) != (CODE5)) \
- tree_check5_failed (__t, (CODE1), (CODE2), (CODE3), (CODE4), \
- (CODE5), __FILE__, __LINE__, __FUNCTION__); \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), (CODE4), (CODE5), 0);\
+ __t; })
+
+#define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
+({ const tree __t = (T); \
+ if (TREE_CODE (__t) == (CODE1) \
+ || TREE_CODE (__t) == (CODE2) \
+ || TREE_CODE (__t) == (CODE3) \
+ || TREE_CODE (__t) == (CODE4) \
+ || TREE_CODE (__t) == (CODE5)) \
+ tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ (CODE1), (CODE2), (CODE3), (CODE4), (CODE5), 0);\
__t; })
#define TREE_CLASS_CHECK(T, CLASS) __extension__ \
(*({const tree __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != TREE_VEC) \
- tree_check_failed (__t, TREE_VEC, \
- __FILE__, __LINE__, __FUNCTION__); \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
+ TREE_VEC, 0); \
if (__i < 0 || __i >= __t->vec.length) \
tree_vec_elt_check_failed (__i, __t->vec.length, \
__FILE__, __LINE__, __FUNCTION__); \
(*({const tree __t = t; \
const int __i = (i); \
if (TREE_CODE (__t) != PHI_NODE) \
- tree_check_failed (__t, PHI_NODE, \
- __FILE__, __LINE__, __FUNCTION__); \
+ 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__); \
(*({const tree __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != CODE) \
- tree_check_failed (__t, CODE, __FILE__, __LINE__, __FUNCTION__); \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0);\
if (__i < 0 || __i >= TREE_CODE_LENGTH (CODE)) \
tree_operand_check_failed (__i, (CODE), \
__FILE__, __LINE__, __FUNCTION__); \
({const tree __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != (CODE)) \
- tree_check_failed (__t, (CODE), __FILE__, __LINE__, __FUNCTION__); \
+ tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0); \
if (__i < 0 || __i >= TREE_CODE_LENGTH ((CODE))) \
tree_operand_check_failed (__i, (CODE), \
__FILE__, __LINE__, __FUNCTION__); \
&__t->exp.operands[__i]; }))
-extern void tree_check_failed (const tree, enum tree_code,
- const char *, int, const char *)
- ATTRIBUTE_NORETURN;
-extern void tree_check2_failed (const tree, enum tree_code, enum tree_code,
- const char *, int, const char *)
- ATTRIBUTE_NORETURN;
-extern void tree_check3_failed (const tree, enum tree_code, enum tree_code,
- enum tree_code, const char *, int,
- const char *)
- ATTRIBUTE_NORETURN;
-extern void tree_check4_failed (const tree, enum tree_code, enum tree_code,
- enum tree_code, enum tree_code,
- const char *, int, const char *)
- ATTRIBUTE_NORETURN;
-extern void tree_check5_failed (const tree, enum tree_code, enum tree_code,
- enum tree_code, enum tree_code, enum tree_code,
- const char *, int, const char *)
- ATTRIBUTE_NORETURN;
+extern void tree_check_failed (const tree, const char *, int, const char *,
+ ...) ATTRIBUTE_NORETURN;
+extern void tree_not_check_failed (const tree, const char *, int, const char *,
+ ...) ATTRIBUTE_NORETURN;
extern void tree_class_check_failed (const tree, int,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
#else /* not ENABLE_TREE_CHECKING, or not gcc */
#define TREE_CHECK(T, CODE) (T)
+#define TREE_NOT_CHECK(T, CODE) (T)
#define TREE_CHECK2(T, CODE1, CODE2) (T)
+#define TREE_NOT_CHECK2(T, CODE1, CODE2) (T)
#define TREE_CHECK3(T, CODE1, CODE2, CODE3) (T)
+#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) (T)
#define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
+#define TREE_NOT_CHECK4(T, CODE1, CODE2, CODE3, CODE4) (T)
#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
+#define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) (T)
#define TREE_CLASS_CHECK(T, CODE) (T)
#define EXPR_CHECK(T) (T)
#define NON_TYPE_CHECK(T) (T)
#define SET_OR_ARRAY_CHECK(T) \
TREE_CHECK2 (T, ARRAY_TYPE, SET_TYPE)
-#define REC_OR_UNION_CHECK(T) \
+#define RECORD_OR_UNION_CHECK(T) \
TREE_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
+#define NOT_RECORD_OR_UNION_CHECK(T) \
+ TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
#define NUMERICAL_TYPE_CHECK(T) \
TREE_CHECK5 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, \
(TREE_CODE (TYPE) == COMPLEX_TYPE \
&& TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
+/* Nonzero if TYPE represents a vector floating-point type. */
+
+#define VECTOR_FLOAT_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == VECTOR_TYPE \
+ && TREE_CODE (TREE_TYPE (TYPE)) == REAL_TYPE)
+
/* Nonzero if TYPE represents a floating-point type, including complex
- floating-point types. */
+ and vector floating-point types. */
#define FLOAT_TYPE_P(TYPE) \
- (SCALAR_FLOAT_TYPE_P (TYPE) || COMPLEX_FLOAT_TYPE_P (TYPE))
+ (SCALAR_FLOAT_TYPE_P (TYPE) || COMPLEX_FLOAT_TYPE_P (TYPE) \
+ || VECTOR_FLOAT_TYPE_P (TYPE))
/* Nonzero if TYPE represents an aggregate (multi-component) type. */
should be cleaned up some day. */
#define TREE_STATIC(NODE) ((NODE)->common.static_flag)
-/* In a TARGET_EXPR, WITH_CLEANUP_EXPR, CLEANUP_STMT, or element of a
- block's cleanup list, means that the pertinent cleanup should only be
- executed if an exception is thrown, not on normal exit of its scope. */
+/* In a TARGET_EXPR, WITH_CLEANUP_EXPR, means that the pertinent cleanup
+ should only be executed if an exception is thrown, not on normal exit
+ of its scope. */
#define CLEANUP_EH_ONLY(NODE) ((NODE)->common.static_flag)
/* In an expr node (usually a conversion) this means the node was made
implicitly and should not lead to any sort of warning. */
#define TREE_NO_WARNING(NODE) ((NODE)->common.nowarning_flag)
-/* Nonzero for a TREE_LIST or TREE_VEC node means that the derivation
- chain is via a `virtual' declaration. */
-#define TREE_VIA_VIRTUAL(NODE) \
- (TREE_CHECK2 (NODE, TREE_LIST, TREE_VEC)->common.static_flag)
-
/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST this means
there was an overflow in folding. This is distinct from
TREE_OVERFLOW because ANSI C requires a diagnostic when overflows
/* In an INTEGER_CST, REAL_CST, COMPLEX_CST, or VECTOR_CST, this means
there was an overflow in folding, and no warning has been issued
for this subexpression. TREE_OVERFLOW implies TREE_CONSTANT_OVERFLOW,
- but not vice versa.
+ but not vice versa.
??? Apparently, lots of code assumes this is defined in all
expressions. */
for this name in an inner scope. */
#define TREE_PUBLIC(NODE) ((NODE)->common.public_flag)
+/* In a _TYPE, indicates whether TYPE_CACHED_VALUES contains a vector
+ of cached values, or is something else. */
+#define TYPE_CACHED_VALUES_P(NODE) (TYPE_CHECK(NODE)->common.public_flag)
+
/* In any expression, decl, or constant, nonzero means it has side effects or
reevaluation of the whole expression could produce a different value.
This is set if any subexpression is a function call, a side effect or a
If this bit is set in an expression, so is TREE_SIDE_EFFECTS. */
#define TREE_THIS_VOLATILE(NODE) ((NODE)->common.volatile_flag)
+/* Nonzero means this node will not trap. In an INDIRECT_REF, means
+ accessing the memory pointed to won't generate a trap. However,
+ this only applies to an object when used appropriately: it doesn't
+ mean that writing a READONLY mem won't trap.
+
+ In ARRAY_REF and ARRAY_RANGE_REF means that we know that the index
+ (or slice of the array) always belongs to the range of the array.
+ I.e. that the access will not trap, provided that the access to
+ the base to the array will not trap. */
+#define TREE_THIS_NOTRAP(NODE) ((NODE)->common.nothrow_flag)
+
/* In a VAR_DECL, PARM_DECL or FIELD_DECL, or any kind of ..._REF node,
nonzero means it may not be the lhs of an assignment. */
#define TREE_READONLY(NODE) (NON_TYPE_CHECK (NODE)->common.readonly_flag)
to be compiled separately.
Nonzero in a RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE or ENUMERAL_TYPE
if the sdb debugging info for the type has been written.
- In a BLOCK node, nonzero if reorder_blocks has already seen this block.
+ In a BLOCK node, nonzero if reorder_blocks has already seen this block.
In an SSA_NAME node, nonzero if the SSA_NAME occurs in an abnormal
PHI node. */
#define TREE_ASM_WRITTEN(NODE) ((NODE)->common.asm_written_flag)
argument list. */
#define CALL_EXPR_HAS_RETURN_SLOT_ADDR(NODE) ((NODE)->common.private_flag)
+/* In a RESULT_DECL or PARM_DECL, means that it is passed by invisible
+ reference (and the TREE_TYPE is a pointer to the true type). */
+#define DECL_BY_REFERENCE(NODE) (DECL_CHECK (NODE)->common.private_flag)
+
/* 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) ((NODE)->common.protected_flag)
&& VOID_TYPE_P (TREE_TYPE (NODE)) \
&& integer_zerop (TREE_OPERAND (NODE, 0)))
-/* In a SAVE_EXPR node. */
-#define SAVE_EXPR_CONTEXT(NODE) TREE_OPERAND_CHECK_CODE (NODE, SAVE_EXPR, 1)
-#define SAVE_EXPR_RTL(NODE) TREE_RTL_OPERAND_CHECK (NODE, SAVE_EXPR, 2)
-
-#define SAVE_EXPR_NOPLACEHOLDER(NODE) \
- (SAVE_EXPR_CHECK (NODE)->common.unsigned_flag)
-
-/* Nonzero if the SAVE_EXPRs value should be kept, even if it occurs
- both in normal code and in a handler. (Normally, in a handler, all
- SAVE_EXPRs are unsaved, meaning that their values are
- recalculated.) */
-#define SAVE_EXPR_PERSISTENT_P(NODE) TREE_ASM_WRITTEN (SAVE_EXPR_CHECK (NODE))
-
-/* In a RTL_EXPR node. */
-#define RTL_EXPR_SEQUENCE(NODE) TREE_RTL_OPERAND_CHECK (NODE, RTL_EXPR, 0)
-#define RTL_EXPR_RTL(NODE) TREE_RTL_OPERAND_CHECK (NODE, RTL_EXPR, 1)
-#define RTL_EXPR_ALT_RTL(NODE) TREE_RTL_OPERAND_CHECK (NODE, RTL_EXPR, 2)
-
-/* In a WITH_CLEANUP_EXPR node. */
-#define WITH_CLEANUP_EXPR_RTL(NODE) \
- TREE_RTL_OPERAND_CHECK (NODE, WITH_CLEANUP_EXPR, 2)
-
/* In a CONSTRUCTOR node. */
#define CONSTRUCTOR_ELTS(NODE) TREE_OPERAND_CHECK_CODE (NODE, CONSTRUCTOR, 0)
/* In a LOOP_EXPR node. */
#define LOOP_EXPR_BODY(NODE) TREE_OPERAND_CHECK_CODE (NODE, LOOP_EXPR, 0)
+#ifdef USE_MAPPED_LOCATION
+/* The source location of this expression. Non-tree_exp nodes such as
+ decls and constants can be shared among multiple locations, so
+ return nothing. */
+#define EXPR_LOCATION(NODE) \
+ (IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE))) \
+ ? (NODE)->exp.locus \
+ : UNKNOWN_LOCATION)
+#define SET_EXPR_LOCATION(NODE, FROM) \
+ (EXPR_CHECK (NODE)->exp.locus = (FROM))
+#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCATION (NODE) != UNKNOWN_LOCATION)
+/* EXPR_LOCUS and SET_EXPR_LOCUS are deprecated. */
+#define EXPR_LOCUS(NODE) \
+ (IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE))) \
+ ? &(NODE)->exp.locus \
+ : (location_t *)NULL)
+#define SET_EXPR_LOCUS(NODE, FROM) \
+ do { source_location *loc_tmp = FROM; \
+ EXPR_CHECK (NODE)->exp.locus \
+ = loc_tmp == NULL ? UNKNOWN_LOCATION : *loc_tmp; } while (0)
+#define EXPR_FILENAME(NODE) \
+ LOCATION_FILE (EXPR_CHECK (NODE)->exp.locus)
+#define EXPR_LINENO(NODE) \
+ LOCATION_LINE (EXPR_CHECK (NODE)->exp.locus)
+#else
/* The source location of this expression. Non-tree_exp nodes such as
decls and constants can be shared among multiple locations, so
return nothing. */
: (location_t *)NULL)
#define SET_EXPR_LOCUS(NODE, FROM) \
(EXPR_CHECK (NODE)->exp.locus = (FROM))
+#define SET_EXPR_LOCATION(NODE, FROM) annotate_with_locus (NODE, FROM)
#define EXPR_FILENAME(NODE) \
(EXPR_CHECK (NODE)->exp.locus->file)
#define EXPR_LINENO(NODE) \
(EXPR_CHECK (NODE)->exp.locus->line)
-#ifdef USE_MAPPED_LOCATION
-#define EXPR_LOCATION(NODE) \
- (IS_EXPR_CODE_CLASS (TREE_CODE_CLASS (TREE_CODE (NODE))) \
- ? (NODE)->exp.locus \
- : UNKNOWN_LOCATION)
-#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCATION (NODE) != UNKNOWN_LOCATION)
-#else
-#define EXPR_LOCATION(NODE) (*EXPR_LOCUS (NODE))
#define EXPR_HAS_LOCATION(NODE) (EXPR_LOCUS (NODE) != NULL)
+#define EXPR_LOCATION(NODE) \
+ (EXPR_HAS_LOCATION(NODE) ? *(NODE)->exp.locus : UNKNOWN_LOCATION)
#endif
/* In a TARGET_EXPR node. */
#define TARGET_EXPR_INITIAL(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 1)
#define TARGET_EXPR_CLEANUP(NODE) TREE_OPERAND_CHECK_CODE (NODE, TARGET_EXPR, 2)
+/* DECL_EXPR accessor. This gives access to the DECL associated with
+ the given declaration statement. */
+#define DECL_EXPR_DECL(NODE) TREE_OPERAND (DECL_EXPR_CHECK (NODE), 0)
+
#define EXIT_EXPR_COND(NODE) TREE_OPERAND (EXIT_EXPR_CHECK (NODE), 0)
/* SWITCH_EXPR accessors. These give access to the condition, body and
/* VDEF_EXPR accessors are specified in tree-flow.h, along with the other
accessors for SSA operands. */
-
+
/* CATCH_EXPR accessors. */
#define CATCH_TYPES(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 0)
#define CATCH_BODY(NODE) TREE_OPERAND (CATCH_EXPR_CHECK (NODE), 1)
#define EH_FILTER_FAILURE(NODE) TREE_OPERAND (EH_FILTER_EXPR_CHECK (NODE), 1)
#define EH_FILTER_MUST_NOT_THROW(NODE) TREE_STATIC (EH_FILTER_EXPR_CHECK (NODE))
+/* OBJ_TYPE_REF accessors. */
+#define OBJ_TYPE_REF_EXPR(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 0)
+#define OBJ_TYPE_REF_OBJECT(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 1)
+#define OBJ_TYPE_REF_TOKEN(NODE) TREE_OPERAND (OBJ_TYPE_REF_CHECK (NODE), 2)
+
struct tree_exp GTY(())
{
struct tree_common common;
- location_t *locus;
+ source_locus locus;
int complexity;
tree block;
tree GTY ((special ("tree_exp"),
#define SSA_NAME_VALUE(N) \
SSA_NAME_CHECK (N)->ssa_name.value_handle
-#ifndef GCC_BITMAP_H
-struct bitmap_head_def;
-#endif
-
-/* Aliasing information for SSA_NAMEs representing pointer variables. */
-struct ptr_info_def GTY(())
-{
- /* Nonzero if points-to analysis couldn't determine where this pointer
- is pointing to. */
- unsigned int pt_anything : 1;
-
- /* Nonzero if this pointer is the result of a call to malloc. */
- unsigned int pt_malloc : 1;
-
- /* Nonzero if the value of this pointer escapes the current function. */
- unsigned int value_escapes_p : 1;
+/* Auxiliary pass-specific data. */
+#define SSA_NAME_AUX(N) \
+ SSA_NAME_CHECK (N)->ssa_name.aux
- /* Set of variables that this pointer may point to. */
- struct bitmap_head_def *pt_vars;
-
- /* If this pointer has been dereferenced, and points-to information is
- more precise than type-based aliasing, indirect references to this
- pointer will be represented by this memory tag, instead of the type
- tag computed by TBAA. */
- tree name_mem_tag;
-};
+#ifndef _TREE_FLOW_H
+struct ptr_info_def;
+#endif
struct tree_ssa_name GTY(())
{
/* Pointer attributes used for alias analysis. */
struct ptr_info_def *ptr_info;
- /* Value for SSA name used by GVN. */
+ /* Value for SSA name used by GVN. */
tree GTY((skip)) value_handle;
+
+ /* Auxiliary information stored with the ssa name. */
+ PTR GTY((skip)) aux;
};
\f
/* In a PHI_NODE node. */
-#define PHI_RESULT(NODE) PHI_NODE_CHECK (NODE)->phi.result
+#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
/* Nonzero if the PHI node was rewritten by a previous pass through the
SSA renamer. */
-#define PHI_REWRITTEN(NODE) PHI_NODE_CHECK (NODE)->phi.rewritten
-#define PHI_NUM_ARGS(NODE) PHI_NODE_CHECK (NODE)->phi.num_args
-#define PHI_ARG_CAPACITY(NODE) PHI_NODE_CHECK (NODE)->phi.capacity
-#define PHI_ARG_ELT(NODE, I) PHI_NODE_ELT_CHECK (NODE, I)
-#define PHI_ARG_EDGE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).e
-#define PHI_ARG_DEF(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).def
-#define PHI_ARG_NONZERO(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).nonzero
+#define PHI_REWRITTEN(NODE) PHI_NODE_CHECK (NODE)->phi.rewritten
+#define PHI_NUM_ARGS(NODE) PHI_NODE_CHECK (NODE)->phi.num_args
+#define PHI_ARG_CAPACITY(NODE) PHI_NODE_CHECK (NODE)->phi.capacity
+#define PHI_ARG_ELT(NODE, I) PHI_NODE_ELT_CHECK (NODE, I)
+#define PHI_ARG_EDGE(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).e
+#define PHI_ARG_NONZERO(NODE, I) PHI_NODE_ELT_CHECK (NODE, I).nonzero
struct edge_def;
#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_ORIG_SIZE_TYPE(NODE) (INTEGER_TYPE_CHECK (NODE)->type.values)
#define TYPE_VALUES(NODE) (ENUMERAL_TYPE_CHECK (NODE)->type.values)
#define TYPE_DOMAIN(NODE) (SET_OR_ARRAY_CHECK (NODE)->type.values)
-#define TYPE_FIELDS(NODE) (REC_OR_UNION_CHECK (NODE)->type.values)
-#define TYPE_METHODS(NODE) (REC_OR_UNION_CHECK (NODE)->type.maxval)
-#define TYPE_VFIELD(NODE) (REC_OR_UNION_CHECK (NODE)->type.minval)
+#define TYPE_FIELDS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.values)
+#define TYPE_CACHED_VALUES(NODE) (TYPE_CHECK(NODE)->type.values)
+#define TYPE_ORIG_SIZE_TYPE(NODE) \
+ (INTEGER_TYPE_CHECK (NODE)->type.values \
+ ? TREE_TYPE ((NODE)->type.values) : NULL_TREE)
+#define TYPE_METHODS(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.maxval)
+#define TYPE_VFIELD(NODE) (RECORD_OR_UNION_CHECK (NODE)->type.minval)
#define TYPE_ARG_TYPES(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.values)
#define TYPE_METHOD_BASETYPE(NODE) (FUNC_OR_METHOD_CHECK (NODE)->type.maxval)
#define TYPE_OFFSET_BASETYPE(NODE) (OFFSET_TYPE_CHECK (NODE)->type.maxval)
structure containing an array. */
#define TYPE_DEBUG_REPRESENTATION_TYPE(NODE) (VECTOR_TYPE_CHECK (NODE)->type.values)
-/* For aggregate types, information about this type, as a base type
- for itself. Used in a language-dependent way for types that are
- neither a RECORD_TYPE, QUAL_UNION_TYPE, nor a UNION_TYPE. */
-#define TYPE_BINFO(NODE) (TYPE_CHECK (NODE)->type.binfo)
+/* For record and union types, information about this type, as a base type
+ for itself. */
+#define TYPE_BINFO(NODE) (RECORD_OR_UNION_CHECK(NODE)->type.binfo)
+
+/* For non record and union types, used in a language-dependent way. */
+#define TYPE_LANG_SLOT_1(NODE) (NOT_RECORD_OR_UNION_CHECK(NODE)->type.binfo)
/* The (language-specific) typed-based alias set for this type.
Objects whose TYPE_ALIAS_SETs are different cannot alias each
/* For a VECTOR_TYPE, this is the number of sub-parts of the vector. */
#define TYPE_VECTOR_SUBPARTS(VECTOR_TYPE) \
- GET_MODE_NUNITS (VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.mode)
+ (VECTOR_TYPE_CHECK (VECTOR_TYPE)->type.precision)
/* Indicates that objects of this type must be initialized by calling a
function when they are created. */
Thus, given a pointer to class C, one can get a pointer to the binfo
of D acting as a basetype for C by looking at C's binfo's basetypes. */
+/* BINFO specific flags. */
+
+/* Nonzero means that the derivation chain is via a `virtual' declaration. */
+#define BINFO_VIRTUAL_P(NODE) (TREE_BINFO_CHECK (NODE)->common.static_flag)
+
+/* Flags for language dependent use. */
+#define BINFO_MARKED(NODE) TREE_LANG_FLAG_0(TREE_BINFO_CHECK(NODE))
+#define BINFO_FLAG_1(NODE) TREE_LANG_FLAG_1(TREE_BINFO_CHECK(NODE))
+#define BINFO_FLAG_2(NODE) TREE_LANG_FLAG_2(TREE_BINFO_CHECK(NODE))
+#define BINFO_FLAG_3(NODE) TREE_LANG_FLAG_3(TREE_BINFO_CHECK(NODE))
+#define BINFO_FLAG_4(NODE) TREE_LANG_FLAG_4(TREE_BINFO_CHECK(NODE))
+#define BINFO_FLAG_5(NODE) TREE_LANG_FLAG_5(TREE_BINFO_CHECK(NODE))
+#define BINFO_FLAG_6(NODE) TREE_LANG_FLAG_6(TREE_BINFO_CHECK(NODE))
+
/* The actual data type node being inherited in this basetype. */
-#define BINFO_TYPE(NODE) TREE_TYPE (NODE)
+#define BINFO_TYPE(NODE) TREE_TYPE (TREE_BINFO_CHECK(NODE))
/* The offset where this basetype appears in its containing type.
BINFO_OFFSET slot holds the offset (in bytes)
object that is allocated on behalf of this `type'.
This is always 0 except when there is multiple inheritance. */
-#define BINFO_OFFSET(NODE) TREE_VEC_ELT ((NODE), 1)
-#define TYPE_BINFO_OFFSET(NODE) BINFO_OFFSET (TYPE_BINFO (NODE))
+#define BINFO_OFFSET(NODE) (TREE_BINFO_CHECK(NODE)->binfo.offset)
#define BINFO_OFFSET_ZEROP(NODE) (integer_zerop (BINFO_OFFSET (NODE)))
/* The virtual function table belonging to this basetype. Virtual
function tables provide a mechanism for run-time method dispatching.
The entries of a virtual function table are language-dependent. */
-#define BINFO_VTABLE(NODE) TREE_VEC_ELT ((NODE), 2)
-#define TYPE_BINFO_VTABLE(NODE) BINFO_VTABLE (TYPE_BINFO (NODE))
+#define BINFO_VTABLE(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtable)
/* The virtual functions in the virtual function table. This is
a TREE_LIST that is used as an initial approximation for building
a virtual function table for this basetype. */
-#define BINFO_VIRTUALS(NODE) TREE_VEC_ELT ((NODE), 3)
-#define TYPE_BINFO_VIRTUALS(NODE) BINFO_VIRTUALS (TYPE_BINFO (NODE))
+#define BINFO_VIRTUALS(NODE) (TREE_BINFO_CHECK(NODE)->binfo.virtuals)
/* A vector of binfos for the direct basetypes inherited by this
basetype.
If this basetype describes type D as inherited in C, and if the
basetypes of D are E and F, then this vector contains binfos for
- inheritance of E and F by C.
-
- ??? This could probably be done by just allocating the
- base types at the end of this TREE_VEC (instead of using
- another TREE_VEC). This would simplify the calculation
- of how many basetypes a given type had. */
-#define BINFO_BASETYPES(NODE) TREE_VEC_ELT ((NODE), 4)
-#define TYPE_BINFO_BASETYPES(NODE) TREE_VEC_ELT (TYPE_BINFO (NODE), 4)
+ inheritance of E and F by C. */
+#define BINFO_BASE_BINFOS(NODE) (&TREE_BINFO_CHECK(NODE)->binfo.base_binfos)
/* The number of basetypes for NODE. */
-#define BINFO_N_BASETYPES(NODE) \
- (BINFO_BASETYPES (NODE) ? TREE_VEC_LENGTH (BINFO_BASETYPES (NODE)) : 0)
+#define BINFO_N_BASE_BINFOS(NODE) (VEC_length (tree, BINFO_BASE_BINFOS (NODE)))
-/* Accessor macro to get to the Nth basetype of this basetype. */
-#define BINFO_BASETYPE(NODE,N) TREE_VEC_ELT (BINFO_BASETYPES (NODE), (N))
-#define TYPE_BINFO_BASETYPE(NODE,N) \
- BINFO_TYPE (TREE_VEC_ELT (BINFO_BASETYPES (TYPE_BINFO (NODE)), (N)))
+/* Accessor macro to get to the Nth base binfo of this binfo. */
+#define BINFO_BASE_BINFO(NODE,N) \
+ (VEC_index (tree, BINFO_BASE_BINFOS (NODE), (N)))
+#define BINFO_BASE_ITERATE(NODE,N,B) \
+ (VEC_iterate (tree, BINFO_BASE_BINFOS (NODE), (N), (B)))
+#define BINFO_BASE_APPEND(NODE,T) \
+ (VEC_quick_push (tree, BINFO_BASE_BINFOS (NODE), (T)))
/* For a BINFO record describing a virtual base class, i.e., one where
TREE_VIA_VIRTUAL is set, this field assists in locating the virtual
base. The actual contents are language-dependent. In the C++
front-end this field is an INTEGER_CST giving an offset into the
vtable where the offset to the virtual base can be found. */
-#define BINFO_VPTR_FIELD(NODE) TREE_VEC_ELT (NODE, 5)
+#define BINFO_VPTR_FIELD(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vptr_field)
/* Indicates the accesses this binfo has to its bases. The values are
access_public_node, access_protected_node or access_private_node.
If this array is not present, public access is implied. */
-#define BINFO_BASEACCESSES(NODE) TREE_VEC_ELT ((NODE), 6)
-#define BINFO_BASEACCESS(NODE,N) TREE_VEC_ELT (BINFO_BASEACCESSES(NODE), (N))
-
-/* Number of language independent elements in a binfo. Languages may
- add additional trailing elements. */
-
-#define BINFO_ELTS 7
-
-/* Slot used to build a chain that represents a use of inheritance.
- For example, if X is derived from Y, and Y is derived from Z,
- then this field can be used to link the binfo node for X to
- the binfo node for X's Y to represent the use of inheritance
- from X to Y. Similarly, this slot of the binfo node for X's Y
- can point to the Z from which Y is inherited (in X's inheritance
- hierarchy). In this fashion, one can represent and traverse specific
- uses of inheritance using the binfo nodes themselves (instead of
- consing new space pointing to binfo nodes).
- It is up to the language-dependent front-ends to maintain
- this information as necessary. */
-#define BINFO_INHERITANCE_CHAIN(NODE) TREE_VEC_ELT ((NODE), 0)
+#define BINFO_BASE_ACCESSES(NODE) (TREE_BINFO_CHECK(NODE)->binfo.base_accesses)
+
+#define BINFO_BASE_ACCESS(NODE,N) \
+ VEC_index (tree, BINFO_BASE_ACCESSES (NODE), (N))
+#define BINFO_BASE_ACCESS_APPEND(NODE,T) \
+ VEC_quick_push (tree, BINFO_BASE_ACCESSES (NODE), (T))
+
+/* The index in the VTT where this subobject's sub-VTT can be found.
+ NULL_TREE if there is no sub-VTT. */
+#define BINFO_SUBVTT_INDEX(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtt_subvtt)
+
+/* The index in the VTT where the vptr for this subobject can be
+ found. NULL_TREE if there is no secondary vptr in the VTT. */
+#define BINFO_VPTR_INDEX(NODE) (TREE_BINFO_CHECK(NODE)->binfo.vtt_vptr)
+
+/* The binfo of which NODE is a primary base. (This is different from
+ BINFO_INHERITANCE_CHAIN for virtual base because a virtual base is
+ sometimes a primary base for a class for which it is not an
+ immediate base.) */
+#define BINFO_PRIMARY_BASE_OF(NODE) (TREE_BINFO_CHECK(NODE)->binfo.primary)
+
+/* The BINFO_INHERITANCE_CHAIN points at the binfo for the base
+ inheriting this base for non-virtual bases. For virtual bases it
+ points to the binfo of the most derived type. */
+#define BINFO_INHERITANCE_CHAIN(NODE) \
+ (TREE_BINFO_CHECK(NODE)->binfo.inheritance)
+
+struct tree_binfo GTY (())
+{
+ struct tree_common common;
+
+ tree offset;
+ tree vtable;
+ tree virtuals;
+ tree vptr_field;
+ VEC(tree) *base_accesses;
+ tree inheritance;
+
+ tree vtt_subvtt;
+ tree vtt_vptr;
+ tree primary;
+
+ VEC(tree) base_binfos;
+};
+
\f
/* Define fields and accessors for nodes representing declared names. */
function that is declared first and then defined later), this
information should refer to the definition. */
#define DECL_SOURCE_LOCATION(NODE) (DECL_CHECK (NODE)->decl.locus)
-#define DECL_SOURCE_FILE(NODE) (DECL_SOURCE_LOCATION (NODE).file)
-#define DECL_SOURCE_LINE(NODE) (DECL_SOURCE_LOCATION (NODE).line)
+#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
/* Holds the size of the datum, in bits, as a tree expression.
Need not be constant. */
#define DECL_SIZE(NODE) (DECL_CHECK (NODE)->decl.size)
#define DECL_RTL(NODE) \
(DECL_CHECK (NODE)->decl.rtl \
? (NODE)->decl.rtl \
- : (make_decl_rtl (NODE, NULL), (NODE)->decl.rtl))
+ : (make_decl_rtl (NODE), (NODE)->decl.rtl))
/* Set the DECL_RTL for NODE to RTL. */
#define SET_DECL_RTL(NODE, RTL) set_decl_rtl (NODE, RTL)
/* Returns nonzero if the DECL_RTL for NODE has already been set. */
this identifies which built-in operation it is. */
#define DECL_FUNCTION_CODE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u1.f)
-/* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this is
- the approximate number of statements in this function. There is
- no need for this number to be exact; it is only used in various
- heuristics regarding optimization. */
-#define DECL_NUM_STMTS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.u1.i)
-
/* The DECL_VINDEX is used for FUNCTION_DECLS in two different ways.
Before the struct containing the FUNCTION_DECL is laid out,
DECL_VINDEX may point to a FUNCTION_DECL in a base class which
#define DECL_DECLARED_INLINE_P(NODE) \
(FUNCTION_DECL_CHECK (NODE)->decl.declared_inline_flag)
+/* Nonzero in a decl means that the gimplifier has seen (or placed)
+ this variable in a BIND_EXPR. */
+#define DECL_SEEN_IN_BIND_EXPR_P(NODE) \
+ (DECL_CHECK (NODE)->decl.seen_in_bind_expr)
+
/* In a VAR_DECL, nonzero if the decl is a register variable with
an explicit asm specification. */
#define DECL_HARD_REGISTER(NODE) (DECL_CHECK (NODE)->decl.inline_flag)
/* Value of the decls's visibility attribute */
#define DECL_VISIBILITY(NODE) (DECL_CHECK (NODE)->decl.visibility)
+/* Nonzero means that the decl had its visibility specified rather than
+ being inferred. */
+#define DECL_VISIBILITY_SPECIFIED(NODE) (DECL_CHECK (NODE)->decl.visibility_specified)
+
/* In a FUNCTION_DECL, nonzero if the function cannot be inlined. */
#define DECL_UNINLINABLE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.uninlinable)
entire function. */
#define DECL_SAVED_TREE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.saved_tree)
+/* In a VAR_DECL or PARM_DECL, the location at which the value may be found,
+ if transformations have made this more complicated than evaluating the
+ decl itself. This should only be used for debugging; once this field has
+ been set, the decl itself may not legitimately appear in the function. */
+#define DECL_VALUE_EXPR(NODE) \
+ (TREE_CHECK2 (NODE, VAR_DECL, PARM_DECL)->decl.saved_tree)
+
/* List of FUNCTION_DECLs inlined into this function's body. */
#define DECL_INLINED_FNS(NODE) (FUNCTION_DECL_CHECK (NODE)->decl.inlined_fns)
specially. */
#define DECL_BIT_FIELD(NODE) (FIELD_DECL_CHECK (NODE)->decl.bit_field_flag)
-/* In a LABEL_DECL, nonzero means label was defined inside a binding
- contour that restored a stack level and which is now exited. */
-#define DECL_TOO_LATE(NODE) (LABEL_DECL_CHECK (NODE)->decl.bit_field_flag)
-
/* Unused in FUNCTION_DECL. */
/* In a VAR_DECL that's static,
(! DECL_CONTEXT (EXP) \
|| TREE_CODE (DECL_CONTEXT (EXP)) == TRANSLATION_UNIT_DECL)
-/* Nonzero for a decl that has been marked as needing a memory slot.
- NOTE: Never use this macro directly. It will give you incomplete
- information. Most of the time this bit will only be set after alias
- analysis in the tree optimizers. It's always better to call
- needs_to_live_in_memory instead. To mark memory variables use
- mark_call_clobbered. */
-#define DECL_NEEDS_TO_LIVE_IN_MEMORY_INTERNAL(DECL) \
- DECL_CHECK (DECL)->decl.needs_to_live_in_memory
-
/* Nonzero for a decl that cgraph has decided should be inlined into
at least one call site. It is not meaningful to look at this
directly; always use cgraph_function_possibly_inlined_p. */
#define DECL_POSSIBLY_INLINED(DECL) \
FUNCTION_DECL_CHECK (DECL)->decl.possibly_inlined
-/* Enumerate visibility settings. */
+/* Nonzero for a decl that is decorated using attribute used.
+ This indicates compiler tools that this decl needs to be preserved. */
+#define DECL_PRESERVE_P(DECL) \
+ DECL_CHECK (DECL)->decl.preserve_flag
+
+/* Internal to the gimplifier. Indicates that the value is a formal
+ temporary controlled by the gimplifier. */
+#define DECL_GIMPLE_FORMAL_TEMP_P(DECL) \
+ DECL_CHECK (DECL)->decl.gimple_formal_temp
+/* Enumerate visibility settings. */
+#ifndef SYMBOL_VISIBILITY_DEFINED
+#define SYMBOL_VISIBILITY_DEFINED
enum symbol_visibility
{
VISIBILITY_DEFAULT,
VISIBILITY_HIDDEN,
VISIBILITY_PROTECTED
};
+#endif
struct function;
union alias_var_def;
unsigned declared_inline_flag : 1;
unsigned seen_in_bind_expr : 1;
ENUM_BITFIELD(symbol_visibility) visibility : 2;
+ unsigned visibility_specified : 1;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned lang_flag_6 : 1;
unsigned lang_flag_7 : 1;
- unsigned needs_to_live_in_memory : 1;
unsigned possibly_inlined : 1;
- /* 14 unused bits. */
+ unsigned preserve_flag: 1;
+ unsigned gimple_formal_temp : 1;
+ /* 13 unused bits. */
union tree_decl_u1 {
/* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
int GTY ((tag ("VAR_DECL"))) i;
} GTY ((desc ("TREE_CODE((tree) &(%0))"))) u2;
- /* In a FUNCTION_DECL, this is DECL_SAVED_TREE. */
+ /* In a FUNCTION_DECL, this is DECL_SAVED_TREE.
+ In a VAR_DECL or PARM_DECL, this is DECL_VALUE_EXPR. */
tree saved_tree;
/* In a FUNCTION_DECL, these are function data which is to be kept
struct tree_statement_list_node *head;
struct tree_statement_list_node *tail;
};
+
+#define VALUE_HANDLE_ID(NODE) \
+ (VALUE_HANDLE_CHECK (NODE)->value_handle.id)
+
+#define VALUE_HANDLE_EXPR_SET(NODE) \
+ (VALUE_HANDLE_CHECK (NODE)->value_handle.expr_set)
+
+/* Defined and used in tree-ssa-pre.c. */
+struct value_set;
+
+struct tree_value_handle GTY(())
+{
+ struct tree_common common;
+
+ /* The set of expressions represented by this handle. */
+ struct value_set * GTY ((skip)) expr_set;
+
+ /* Unique ID for this value handle. IDs are handed out in a
+ conveniently dense form starting at 0, so that we can make
+ bitmaps of value handles. */
+ unsigned int id;
+};
\f
enum tree_node_structure_enum {
TS_COMMON,
TS_SSA_NAME,
TS_PHI_NODE,
TS_BLOCK,
+ TS_BINFO,
TS_STATEMENT_LIST,
+ TS_VALUE_HANDLE,
LAST_TS_ENUM
};
struct tree_ssa_name GTY ((tag ("TS_SSA_NAME"))) ssa_name;
struct tree_phi_node GTY ((tag ("TS_PHI_NODE"))) phi;
struct tree_block GTY ((tag ("TS_BLOCK"))) block;
+ struct tree_binfo GTY ((tag ("TS_BINFO"))) binfo;
struct tree_statement_list GTY ((tag ("TS_STATEMENT_LIST"))) stmt_list;
+ struct tree_value_handle GTY ((tag ("TS_VALUE_HANDLE"))) value_handle;
};
\f
/* Standard named or nameless data types of the C compiler. */
\f
/* Set to the default thread-local storage (tls) model to use. */
-enum tls_model {
- TLS_MODEL_GLOBAL_DYNAMIC = 1,
- TLS_MODEL_LOCAL_DYNAMIC,
- TLS_MODEL_INITIAL_EXEC,
- TLS_MODEL_LOCAL_EXEC
-};
-
extern enum tls_model flag_tls_default;
\f
extern tree copy_list (tree);
+/* Make a BINFO. */
+extern tree make_tree_binfo_stat (unsigned MEM_STAT_DECL);
+#define make_tree_binfo(t) make_tree_binfo_stat (t MEM_STAT_INFO)
+
/* Make a TREE_VEC. */
extern tree make_tree_vec_stat (int MEM_STAT_DECL);
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 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
+extern void mark_for_rewrite (tree);
+extern void unmark_all_for_rewrite (void);
+extern bool marked_for_rewrite_p (tree);
+extern bool any_marked_for_rewrite_p (void);
+extern struct bitmap_head_def *marked_ssa_names (void);
+
+
/* Return the (unique) IDENTIFIER_NODE node for a given name.
The name is supplied as a char *. */
/* Construct various types of nodes. */
-#define build_int_2(LO, HI) \
- build_int_2_wide ((unsigned HOST_WIDE_INT) (LO), (HOST_WIDE_INT) (HI))
-
extern tree build (enum tree_code, tree, ...);
extern tree build_nt (enum tree_code, ...);
tree MEM_STAT_DECL);
#define build4(c,t1,t2,t3,t4,t5) build4_stat (c,t1,t2,t3,t4,t5 MEM_STAT_INFO)
-extern tree build_int_2_wide (unsigned HOST_WIDE_INT, HOST_WIDE_INT);
+extern tree build_int_cst (tree, unsigned HOST_WIDE_INT, HOST_WIDE_INT);
extern tree build_vector (tree, tree);
extern tree build_constructor (tree, tree);
extern tree build_real_from_int_cst (tree, tree);
extern tree build_decl_stat (enum tree_code, tree, tree MEM_STAT_DECL);
#define build_decl(c,t,q) build_decl_stat (c,t,q MEM_STAT_INFO)
extern tree build_block (tree, 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);
/* Construct various nodes representing data types. */
extern tree build_offset_type (tree, tree);
extern tree build_complex_type (tree);
extern tree array_type_nelts (tree);
+extern bool in_array_bounds_p (tree);
extern tree value_member (tree, tree);
extern tree purpose_member (tree, tree);
-extern tree binfo_member (tree, tree);
extern int attribute_list_equal (tree, tree);
extern int attribute_list_contained (tree, tree);
extern tree merge_attributes (tree, tree);
-#ifdef TARGET_DLLIMPORT_DECL_ATTRIBUTES
+#if TARGET_DLLIMPORT_DECL_ATTRIBUTES
/* Given two Windows decl attributes lists, possibly including
dllimport, return a list of their union . */
extern tree merge_dllimport_decl_attributes (tree, tree);
+
+/* Handle a "dllimport" or "dllexport" attribute. */
+extern tree handle_dll_attribute (tree *, tree, tree, int, bool *);
#endif
/* Check whether CAND is suitable to be returned from get_qualified_type
extern tree build_type_copy (tree);
/* Finish up a builtin RECORD_TYPE. Give it a name and provide its
- fields. Optionally specify an alignment, and then lsy it out. */
+ fields. Optionally specify an alignment, and then lay it out. */
extern void finish_builtin_struct (tree, const char *,
tree, tree);
extern void layout_decl (tree, unsigned);
+/* Given a VAR_DECL, PARM_DECL or RESULT_DECL, clears the results of
+ a previous call to layout_decl and calls it again. */
+
+extern void relayout_decl (tree);
+
/* Return the mode for data of a given size SIZE and mode class CLASS.
If LIMIT is nonzero, then don't use modes bigger than MAX_FIXED_MODE_SIZE.
The value is BLKmode if no other mode is found. This is like
extern tree size_binop (enum tree_code, tree, tree);
extern tree size_diffop (tree, tree);
-extern tree size_int_wide (HOST_WIDE_INT, enum size_type_kind);
-extern tree size_int_type_wide (HOST_WIDE_INT, tree);
+extern tree size_int_kind (HOST_WIDE_INT, enum size_type_kind);
+extern tree size_int_type (HOST_WIDE_INT, tree);
-#define size_int_type(L, T) size_int_type_wide ((HOST_WIDE_INT) (L), T)
-#define size_int(L) size_int_wide ((HOST_WIDE_INT) (L), SIZETYPE)
-#define ssize_int(L) size_int_wide ((HOST_WIDE_INT) (L), SSIZETYPE)
-#define bitsize_int(L) size_int_wide ((HOST_WIDE_INT) (L), BITSIZETYPE)
-#define sbitsize_int(L) size_int_wide ((HOST_WIDE_INT) (L), SBITSIZETYPE)
+#define size_int(L) size_int_kind (L, SIZETYPE)
+#define ssize_int(L) size_int_kind (L, SSIZETYPE)
+#define bitsize_int(L) size_int_kind (L, BITSIZETYPE)
+#define sbitsize_int(L) size_int_kind (L, SBITSIZETYPE)
extern tree round_up (tree, int);
extern tree round_down (tree, int);
extern int integer_nonzerop (tree);
-/* staticp (tree x) is nonzero if X is a reference to data allocated
+/* staticp (tree x) is true if X is a reference to data allocated
at a fixed address in memory. */
-extern int staticp (tree);
+extern bool staticp (tree);
/* save_expr (EXP) returns an expression equivalent to EXP
but it can be used multiple times within context CTX
enum tree_node_structure_enum tree_node_structure (tree);
-/* unsave_expr (EXP) returns an expression equivalent to EXP but it
- can be used multiple times and will evaluate EXP in its entirety
- each time. */
-
-extern tree unsave_expr (tree);
-
-/* Reset EXP in place so that it can be expanded again. Does not
- recurse into subtrees. */
-
-extern void unsave_expr_1 (tree);
-
-/* Return 0 if it is safe to evaluate EXPR multiple times,
- return 1 if it is safe if EXPR is unsaved afterward, or
- return 2 if it is completely unsafe. */
-extern int unsafe_for_reeval (tree);
-
/* Return 1 if EXP contains a PLACEHOLDER_EXPR; i.e., if it represents a size
or offset that depends on a field within a record.
extern tree variable_size (tree);
-/* Given a type T, force elaboration of any SAVE_EXPRs used in the definition
- of that type. */
-
-extern void force_type_save_exprs (tree);
-
/* stabilize_reference (EXP) returns a reference equivalent to EXP
but it can be used multiple times
and only evaluate the subexpressions once. */
extern int handled_component_p (tree);
+/* Return a tree of sizetype representing the size, in bytes, of the element
+ of EXP, an ARRAY_REF. */
+
+extern tree array_ref_element_size (tree);
+
+/* Return a tree representing the lower bound of the array mentioned in
+ EXP, an ARRAY_REF. */
+
+extern tree array_ref_low_bound (tree);
+
+/* Return a tree representing the upper bound of the array mentioned in
+ EXP, an ARRAY_REF. */
+
+extern tree array_ref_up_bound (tree);
+
+/* Return a tree representing the offset, in bytes, of the field referenced
+ by EXP. This does not include any offset in DECL_FIELD_BIT_OFFSET. */
+
+extern tree component_ref_field_offset (tree);
+
/* Given a DECL or TYPE, return the scope in which it was declared, or
NUL_TREE if there is no containing scope. */
extern int pedantic_lvalues;
-/* Nonzero means can safely call expand_expr now;
- otherwise layout_type puts variable sizes onto `pending_sizes' instead. */
-
-extern int immediate_size_expand;
-
/* Points to the FUNCTION_DECL of the function whose body we are reading. */
extern GTY(()) tree current_function_decl;
/* Nonzero means a FUNC_BEGIN label was emitted. */
extern GTY(()) tree current_function_func_begin_label;
-
-/* A DECL for the current file-scope context. When using IMA, this heads a
- chain of FILE_DECLs; currently only C uses it. */
-
-extern GTY(()) tree current_file_decl;
-
-/* Nonzero means all ..._TYPE nodes should be allocated permanently. */
-
-extern int all_types_permanent;
-
-/* Exit a binding level. This function is provided by each language
- frontend. */
-extern tree poplevel (int, int, int);
-
-/* Declare a predefined function. Return the declaration. This function is
- provided by each language frontend. */
-extern tree builtin_function (const char *, tree, int, enum built_in_class,
- const char *, tree);
\f
/* In tree.c */
extern unsigned crc32_string (unsigned, const char *);
extern tree get_callee_fndecl (tree);
extern void change_decl_assembler_name (tree, tree);
extern int type_num_arguments (tree);
-extern tree lhd_unsave_expr_now (tree);
extern bool associative_tree_code (enum tree_code);
extern bool commutative_tree_code (enum tree_code);
\f
/* In stmt.c */
-extern void expand_fixups (rtx);
-extern tree expand_start_stmt_expr (int);
-extern tree expand_end_stmt_expr (tree);
extern void expand_expr_stmt (tree);
extern void expand_expr_stmt_value (tree, int, int);
-extern int warn_if_unused_value (tree);
+extern int warn_if_unused_value (tree, location_t);
extern void expand_decl_init (tree);
-extern void clear_last_expr (void);
extern void expand_label (tree);
extern void expand_goto (tree);
extern void expand_asm (tree, int);
-extern void expand_start_cond (tree, int);
-extern void expand_end_cond (void);
-extern void expand_start_else (void);
-extern void expand_start_elseif (tree);
-extern void expand_stack_alloc (tree, tree);
extern rtx expand_stack_save (void);
extern void expand_stack_restore (tree);
extern void expand_return (tree);
-extern void expand_start_bindings_and_block (int, tree);
-#define expand_start_bindings(flags) \
- expand_start_bindings_and_block(flags, NULL_TREE)
-extern void expand_end_bindings (tree, int, int);
-extern void warn_about_unused_variables (tree);
-extern void start_cleanup_deferral (void);
-extern void end_cleanup_deferral (void);
extern int is_body_block (tree);
-extern int conditional_context (void);
-extern struct nesting * current_nesting_level (void);
-extern tree last_cleanup_this_contour (void);
-extern void expand_start_case (int, tree, tree, const char *);
-extern void expand_end_case_type (tree, tree);
-#define expand_end_case(cond) expand_end_case_type (cond, NULL)
-extern int add_case_node (tree, tree, tree, tree *, bool);
-extern int pushcase (tree, tree (*) (tree, tree), tree, tree *);
-extern int pushcase_range (tree, tree, tree (*) (tree, tree), tree, tree *);
+/* In tree-eh.c */
extern void using_eh_for_cleanups (void);
/* In fold-const.c */
extern tree fold_initializer (tree);
extern tree fold_convert (tree, tree);
extern tree fold_single_bit_test (enum tree_code, tree, tree, tree);
+extern tree fold_ignored_result (tree);
extern tree fold_abs_const (tree, tree);
-extern int force_fit_type (tree, int);
+extern tree force_fit_type (tree, int, bool, bool);
+
extern int add_double (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
unsigned HOST_WIDE_INT, HOST_WIDE_INT,
unsigned HOST_WIDE_INT *, HOST_WIDE_INT *);
extern tree build_fold_addr_expr (tree);
extern tree build_fold_addr_expr_with_type (tree, tree);
extern tree build_fold_indirect_ref (tree);
+extern tree constant_boolean_node (int, tree);
extern bool tree_swap_operands_p (tree, tree, bool);
extern enum tree_code swap_tree_comparison (enum tree_code);
/* In builtins.c */
-extern tree fold_builtin (tree);
+extern tree fold_builtin (tree, bool);
+extern tree fold_builtin_fputs (tree, bool, bool, tree);
+extern tree fold_builtin_strcpy (tree, tree);
+extern tree fold_builtin_strncpy (tree, tree);
extern enum built_in_function builtin_mathfn_code (tree);
extern tree build_function_call_expr (tree, tree);
extern tree mathfn_built_in (tree, enum built_in_function fn);
extern HOST_WIDE_INT get_alias_set (tree);
extern int alias_sets_conflict_p (HOST_WIDE_INT, HOST_WIDE_INT);
extern int alias_sets_might_conflict_p (HOST_WIDE_INT, HOST_WIDE_INT);
-extern int readonly_fields_p (tree);
extern int objects_must_conflict_p (tree, tree);
/* In tree.c */
extern int really_constant_p (tree);
extern int int_fits_type_p (tree, tree);
-extern bool variably_modified_type_p (tree);
+extern bool variably_modified_type_p (tree, tree);
extern int tree_log2 (tree);
extern int tree_floor_log2 (tree);
extern int simple_cst_equal (tree, tree);
extern int simple_cst_list_equal (tree, tree);
extern void dump_tree_statistics (void);
extern void expand_function_end (void);
-extern void expand_function_start (tree, int);
+extern void expand_function_start (tree);
extern void expand_pending_sizes (tree);
extern void recompute_tree_invarant_for_addr_expr (tree);
+extern bool is_global_var (tree t);
extern bool needs_to_live_in_memory (tree);
-extern tree make_vector (enum machine_mode, tree, int);
extern tree reconstruct_complex_type (tree, tree);
extern int real_onep (tree);
extern void init_ttree (void);
extern void build_common_tree_nodes (int);
extern void build_common_tree_nodes_2 (int);
+extern tree build_nonstandard_integer_type (unsigned HOST_WIDE_INT, int);
extern tree build_range_type (tree, tree, tree);
+extern HOST_WIDE_INT int_cst_value (tree);
+extern tree tree_fold_gcd (tree, tree);
+
+extern bool fields_compatible_p (tree, tree);
+extern tree find_compatible_field (tree, tree);
/* In function.c */
-extern void setjmp_protect_args (void);
-extern void setjmp_protect (tree);
extern void expand_main_function (void);
extern void init_dummy_function_start (void);
extern void expand_dummy_function_end (void);
extern void init_function_for_compilation (void);
extern void allocate_struct_function (tree);
extern void init_function_start (tree);
+extern bool use_register_for_decl (tree);
extern void assign_parms (tree);
-extern void put_var_into_stack (tree, int);
-extern void flush_addressof (tree);
extern void setjmp_vars_warning (tree);
extern void setjmp_args_warning (void);
extern void init_temp_slots (void);
extern void preserve_temp_slots (rtx);
extern void preserve_rtl_expr_temps (tree);
extern int aggregate_value_p (tree, tree);
-extern void free_temps_for_rtl_expr (tree);
-extern void instantiate_virtual_regs (tree, rtx);
-extern void unshare_all_rtl (tree, rtx);
extern void push_function_context (void);
extern void pop_function_context (void);
extern void push_function_context_to (tree);
extern void indent_to (FILE *, int);
#endif
+/* In tree-inline.c: */
+extern bool debug_find_tree (tree, tree);
+/* This is in tree-inline.c since the routine uses
+ data structures from the inliner. */
+extern tree unsave_expr_now (tree);
+
/* In expr.c */
extern rtx expand_builtin_return_addr (enum built_in_function, int, rtx);
extern void check_max_integer_computation_mode (tree);
/* In emit-rtl.c */
-extern void start_sequence_for_rtl_expr (tree);
extern rtx emit_line_note (location_t);
/* In calls.c */
extern int setjmp_call_p (tree);
extern bool alloca_call_p (tree);
+extern bool must_pass_in_stack_var_size (enum machine_mode, tree);
+extern bool must_pass_in_stack_var_size_or_pad (enum machine_mode, tree);
/* In attribs.c. */
extern unsigned int update_alignment_for_field (record_layout_info, tree,
unsigned int);
/* varasm.c */
-extern void make_decl_rtl (tree, const char *);
+extern void make_decl_rtl (tree);
extern void make_decl_one_only (tree);
extern int supports_one_only (void);
extern void variable_section (tree, int);
extern void mark_referenced (tree);
extern void mark_decl_referenced (tree);
extern void notice_global_symbol (tree);
+extern void set_user_assembler_name (tree, const char *);
/* In stmt.c */
-extern void emit_nop (void);
extern void expand_computed_goto (tree);
extern bool parse_output_constraint (const char **, int, int, int,
bool *, bool *, bool *);
extern void expand_asm_expr (tree);
extern bool asm_op_is_mem_input (tree, tree);
extern tree resolve_asm_operand_names (tree, tree, tree);
-extern int any_pending_cleanups (void);
-extern void init_stmt_for_function (void);
-extern void expand_start_target_temps (void);
-extern void expand_end_target_temps (void);
-extern void expand_elseif (tree);
-extern void save_stack_pointer (void);
+extern void expand_case (tree);
extern void expand_decl (tree);
-extern int expand_decl_cleanup (tree, tree);
-extern int expand_decl_cleanup_eh (tree, tree, int);
extern void expand_anon_union_decl (tree, tree, tree);
-extern int containing_blocks_have_cleanups_or_stack_level (void);
/* In gimplify.c. */
extern tree create_artificial_label (void);
extern void dwarf2out_return_reg (const char *, unsigned);
+/* In tree-inline.c */
+
/* The type of a callback function for walking over tree structure. */
typedef tree (*walk_tree_fn) (tree *, int *, void *);
-tree walk_tree (tree*, walk_tree_fn, void*, void*);
-tree walk_tree_without_duplicates (tree*, walk_tree_fn, void*);
+extern tree walk_tree (tree*, walk_tree_fn, void*, void*);
+extern tree walk_tree_without_duplicates (tree*, walk_tree_fn, void*);
/* In tree-dump.c */
TDI_nested, /* dump each function after unnesting it */
TDI_inlined, /* dump each function after inlining
within it. */
- TDI_vcg, /* create a VCG graph file for each
+ TDI_vcg, /* create a VCG graph file for each
function's flowgraph. */
TDI_xml, /* dump function call graph. */
TDI_all, /* enable all the dumps. */
ATTRIBUTE_NORETURN;
#define abort() fancy_abort (__FILE__, __LINE__, __FUNCTION__)
-/* Enum and arrays used for tree allocation stats.
+/* Enum and arrays used for tree allocation stats.
Keep in sync with tree.c:tree_node_kind_names. */
typedef enum
{
perm_list_kind,
temp_list_kind,
vec_kind,
+ binfo_kind,
phi_kind,
ssa_name_kind,
x_kind,
be restricted. False if we are not in gimple form and folding is not
restricted to creating gimple expressions. */
extern bool in_gimple_form;
-
+
+/* In tree-ssa-loop-niter.c. */
+tree lower_bound_in_type (tree, tree);
+tree upper_bound_in_type (tree, tree);
+
+/* In tree-ssa-threadupdate.c. */
+extern bool thread_through_all_blocks (void);
+
+/* In tree-gimple.c. */
+extern tree get_base_address (tree t);
+
#endif /* GCC_TREE_H */
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