GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
+Software Foundation; either version 3, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
for more details.
You should have received a copy of the GNU General Public License
-along with GCC; see the file COPYING. If not, write to the Free
-Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
-02110-1301, USA. */
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
#ifndef GCC_TREE_H
#define GCC_TREE_H
#include "statistics.h"
#include "vec.h"
#include "double-int.h"
+#include "alias.h"
/* Codes of tree nodes */
(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 \
unsigned protected_flag : 1;
unsigned deprecated_flag : 1;
unsigned invariant_flag : 1;
+ unsigned saturating_flag : 1;
unsigned lang_flag_0 : 1;
unsigned lang_flag_1 : 1;
unsigned lang_flag_6 : 1;
unsigned visited : 1;
- unsigned spare : 24;
+ unsigned spare : 23;
/* FIXME tuples: Eventually, we need to move this somewhere external to
the trees. */
TREE_INVARIANT in
all expressions.
+ saturating_flag:
+
+ TYPE_SATURATING in
+ all types
+
nowarning_flag:
TREE_NO_WARNING in
#if defined ENABLE_TREE_CHECKING && (GCC_VERSION >= 2007)
#define TREE_CHECK(T, CODE) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) != (CODE)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE), 0); \
__t; })
#define TREE_NOT_CHECK(T, CODE) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __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); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
__t; })
#define TREE_NOT_CHECK2(T, CODE1, CODE2) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) == (CODE1) \
|| TREE_CODE (__t) == (CODE2)) \
tree_not_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
__t; })
#define TREE_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2) \
&& TREE_CODE (__t) != (CODE3)) \
__t; })
#define TREE_NOT_CHECK3(T, CODE1, CODE2, CODE3) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) == (CODE1) \
|| TREE_CODE (__t) == (CODE2) \
|| TREE_CODE (__t) == (CODE3)) \
__t; })
#define TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2) \
&& TREE_CODE (__t) != (CODE3) \
__t; })
#define NON_TREE_CHECK4(T, CODE1, CODE2, CODE3, CODE4) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) == (CODE1) \
|| TREE_CODE (__t) == (CODE2) \
|| TREE_CODE (__t) == (CODE3) \
__t; })
#define TREE_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) != (CODE1) \
&& TREE_CODE (__t) != (CODE2) \
&& TREE_CODE (__t) != (CODE3) \
__t; })
#define TREE_NOT_CHECK5(T, CODE1, CODE2, CODE3, CODE4, CODE5) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) == (CODE1) \
|| TREE_CODE (__t) == (CODE2) \
|| TREE_CODE (__t) == (CODE3) \
__t; })
#define CONTAINS_STRUCT_CHECK(T, STRUCT) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (tree_contains_struct[TREE_CODE(__t)][(STRUCT)] != 1) \
tree_contains_struct_check_failed (__t, (STRUCT), __FILE__, __LINE__, \
__FUNCTION__); \
__t; })
#define TREE_CLASS_CHECK(T, CLASS) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE_CLASS (TREE_CODE(__t)) != (CLASS)) \
tree_class_check_failed (__t, (CLASS), __FILE__, __LINE__, \
__FUNCTION__); \
__t; })
#define TREE_RANGE_CHECK(T, CODE1, CODE2) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) < (CODE1) || TREE_CODE (__t) > (CODE2)) \
tree_range_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
(CODE1), (CODE2)); \
__t; })
#define OMP_CLAUSE_SUBCODE_CHECK(T, CODE) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) != OMP_CLAUSE) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
OMP_CLAUSE, 0); \
__t; })
#define OMP_CLAUSE_RANGE_CHECK(T, CODE1, CODE2) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TREE_CODE (__t) != OMP_CLAUSE) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
OMP_CLAUSE, 0); \
/* These checks have to be special cased. */
#define EXPR_CHECK(T) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
char const __c = TREE_CODE_CLASS (TREE_CODE (__t)); \
if (!IS_EXPR_CODE_CLASS (__c)) \
tree_class_check_failed (__t, tcc_expression, __FILE__, __LINE__, \
__t; })
#define GIMPLE_STMT_CHECK(T) __extension__ \
-({ const tree __t = (T); \
+({ __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__,\
/* These checks have to be special cased. */
#define NON_TYPE_CHECK(T) __extension__ \
-({ const tree __t = (T); \
+({ __typeof (T) const __t = (T); \
if (TYPE_P (__t)) \
tree_not_class_check_failed (__t, tcc_type, __FILE__, __LINE__, \
__FUNCTION__); \
__t; })
#define TREE_VEC_ELT_CHECK(T, I) __extension__ \
-(*({const tree __t = (T); \
+(*({__typeof (T) const __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != TREE_VEC) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
__FILE__, __LINE__, __FUNCTION__); \
&__t->vec.a[__i]; }))
-#define PHI_NODE_ELT_CHECK(t, i) __extension__ \
-(*({const tree __t = t; \
- const int __i = (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); \
__FILE__, __LINE__, __FUNCTION__); \
&__t->phi.a[__i]; }))
-#define OMP_CLAUSE_ELT_CHECK(t, i) __extension__ \
-(*({const tree __t = t; \
- const int __i = (i); \
+#define OMP_CLAUSE_ELT_CHECK(T, I) __extension__ \
+(*({__typeof (T) const __t = (T); \
+ const int __i = (I); \
if (TREE_CODE (__t) != OMP_CLAUSE) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, \
OMP_CLAUSE, 0); \
/* Special checks for TREE_OPERANDs. */
#define TREE_OPERAND_CHECK(T, I) __extension__ \
-(*({const tree __t = EXPR_CHECK (T); \
+(*({__typeof (T) const __t = EXPR_CHECK (T); \
const int __i = (I); \
if (GIMPLE_TUPLE_P (__t)) \
gcc_unreachable (); \
&__t->exp.operands[__i]; }))
#define TREE_OPERAND_CHECK_CODE(T, CODE, I) __extension__ \
-(*({const tree __t = (T); \
+(*({__typeof (T) const __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != CODE) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0);\
/* Special checks for GIMPLE_STMT_OPERANDs. */
#define GIMPLE_STMT_OPERAND_CHECK(T, I) __extension__ \
-(*({const tree __t = GIMPLE_STMT_CHECK (T); \
+(*({__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, \
#define TREE_RTL_OPERAND_CHECK(T, CODE, I) __extension__ \
(*(rtx *) \
- ({const tree __t = (T); \
+ ({__typeof (T) const __t = (T); \
const int __i = (I); \
if (TREE_CODE (__t) != (CODE)) \
tree_check_failed (__t, __FILE__, __LINE__, __FUNCTION__, (CODE), 0); \
are chained together. */
#define TREE_CHAIN(NODE) __extension__ \
-(*({const tree __t = (NODE); \
+(*({__typeof (NODE) const __t = (NODE); \
if (GIMPLE_TUPLE_P (__t)) \
gcc_unreachable (); \
&__t->common.chain; }))
In ARRAY_TYPE nodes, this is the type of the elements.
In VECTOR_TYPE nodes, this is the type of the elements. */
#define TREE_TYPE(NODE) __extension__ \
-(*({const tree __t = (NODE); \
+(*({__typeof (NODE) const __t = (NODE); \
if (GIMPLE_TUPLE_P (__t)) \
gcc_unreachable (); \
&__t->common.type; }))
-extern void tree_contains_struct_check_failed (const tree,
+extern void tree_contains_struct_check_failed (const_tree,
const enum tree_node_structure_enum,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
-extern void tree_check_failed (const tree, const char *, int, const char *,
+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 *,
+extern void tree_not_check_failed (const_tree, const char *, int, const char *,
...) ATTRIBUTE_NORETURN;
-extern void tree_class_check_failed (const tree, const enum tree_code_class,
+extern void tree_class_check_failed (const_tree, const enum tree_code_class,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
-extern void tree_range_check_failed (const tree, const char *, int,
+extern void tree_range_check_failed (const_tree, const char *, int,
const char *, enum tree_code,
enum tree_code);
-extern void tree_not_class_check_failed (const tree,
+extern void tree_not_class_check_failed (const_tree,
const enum tree_code_class,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
extern void phi_node_elt_check_failed (int, int, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
-extern void tree_operand_check_failed (int, tree,
+extern void tree_operand_check_failed (int, const_tree,
const char *, int, const char *)
ATTRIBUTE_NORETURN;
-extern void omp_clause_check_failed (const tree, const char *, int,
+extern void omp_clause_check_failed (const_tree, const char *, int,
const char *, enum omp_clause_code)
ATTRIBUTE_NORETURN;
-extern void omp_clause_operand_check_failed (int, tree, const char *,
+extern void omp_clause_operand_check_failed (int, const_tree, const char *,
int, const char *)
ATTRIBUTE_NORETURN;
-extern void omp_clause_range_check_failed (const tree, const char *, int,
+extern void omp_clause_range_check_failed (const_tree, const char *, int,
const char *, enum omp_clause_code,
enum omp_clause_code)
ATTRIBUTE_NORETURN;
TREE_NOT_CHECK3 (T, RECORD_TYPE, UNION_TYPE, QUAL_UNION_TYPE)
#define NUMERICAL_TYPE_CHECK(T) \
- TREE_CHECK4 (T, INTEGER_TYPE, ENUMERAL_TYPE, BOOLEAN_TYPE, REAL_TYPE)
+ 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 (TYPE) == BOOLEAN_TYPE \
|| TREE_CODE (TYPE) == INTEGER_TYPE)
+/* Nonzero if TYPE represents a non-saturating fixed-point type. */
+
+#define NON_SAT_FIXED_POINT_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == FIXED_POINT_TYPE && !TYPE_SATURATING (TYPE))
+
+/* Nonzero if TYPE represents a saturating fixed-point type. */
+
+#define SAT_FIXED_POINT_TYPE_P(TYPE) \
+ (TREE_CODE (TYPE) == FIXED_POINT_TYPE && TYPE_SATURATING (TYPE))
+
+/* Nonzero if TYPE represents a fixed-point type. */
+
+#define FIXED_POINT_TYPE_P(TYPE) (TREE_CODE (TYPE) == FIXED_POINT_TYPE)
+
/* Nonzero if TYPE represents a scalar floating-point type. */
#define SCALAR_FLOAT_TYPE_P(TYPE) (TREE_CODE (TYPE) == REAL_TYPE)
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)
+
/* These flags are available for each language front end to use internally. */
#define TREE_LANG_FLAG_0(NODE) ((NODE)->base.lang_flag_0)
#define TREE_LANG_FLAG_1(NODE) ((NODE)->base.lang_flag_1)
struct real_value * real_cst_ptr;
};
+/* In a FIXED_CST node. */
+struct fixed_value;
+
+#define TREE_FIXED_CST_PTR(NODE) (FIXED_CST_CHECK (NODE)->fixed_cst.fixed_cst_ptr)
+#define TREE_FIXED_CST(NODE) (*TREE_FIXED_CST_PTR (NODE))
+
+struct tree_fixed_cst GTY(())
+{
+ struct tree_common common;
+ struct fixed_value * fixed_cst_ptr;
+};
+
/* In a STRING_CST */
#define TREE_STRING_LENGTH(NODE) (STRING_CST_CHECK (NODE)->string.length)
#define TREE_STRING_POINTER(NODE) \
#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)
type node requires structural equality. */
#define SET_TYPE_STRUCTURAL_EQUALITY(NODE) (TYPE_CANONICAL (NODE) = NULL_TREE)
#define TYPE_LANG_SPECIFIC(NODE) (TYPE_CHECK (NODE)->type.lang_specific)
+#define TYPE_IBIT(NODE) (GET_MODE_IBIT (TYPE_MODE (NODE)))
+#define TYPE_FBIT(NODE) (GET_MODE_FBIT (TYPE_MODE (NODE)))
/* For a VECTOR_TYPE node, this describes a different type which is emitted
in the debugging output. We use this to describe a vector as a
tree binfo;
tree context;
tree canonical;
- HOST_WIDE_INT alias_set;
+ alias_set_type alias_set;
/* Points to a structure whose details depend on the language in use. */
struct lang_type *lang_specific;
};
unsigned HOST_WIDE_INT size;
/* Alias set for a DECL_NONADDRESSABLE_P field. Otherwise -1. */
- HOST_WIDE_INT alias_set;
+ 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)
/* Likewise for the size in bytes. */
#define DECL_SIZE_UNIT(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.size_unit)
/* Holds the alignment required for the datum, in bits. */
-#define DECL_ALIGN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.u1.a.align)
+#define DECL_ALIGN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.align)
/* The alignment of NODE, in bytes. */
#define DECL_ALIGN_UNIT(NODE) (DECL_ALIGN (NODE) / BITS_PER_UNIT)
-/* For FIELD_DECLs, off_align holds the number of low-order bits of
- DECL_FIELD_OFFSET which are known to be always zero.
- DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
- has. */
+/* Set if the alignment of this DECL has been set by the user, for
+ example with an 'aligned' attribute. */
#define DECL_USER_ALIGN(NODE) (DECL_COMMON_CHECK (NODE)->decl_common.user_align)
/* Holds the machine mode corresponding to the declaration of a variable or
field. Always equal to TYPE_MODE (TREE_TYPE (decl)) except for a
operation it is. Note, however, that this field is overloaded, with
DECL_BUILT_IN_CLASS as the discriminant, so the latter must always be
checked before any access to the former. */
-#define DECL_FUNCTION_CODE(NODE) (FUNCTION_DECL_CHECK (NODE)->decl_common.u1.f)
+#define DECL_FUNCTION_CODE(NODE) \
+ (FUNCTION_DECL_CHECK (NODE)->function_decl.function_code)
#define DECL_DEBUG_EXPR_IS_FROM(NODE) \
(DECL_COMMON_CHECK (NODE)->decl_common.debug_expr_is_from)
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. */
+ unsigned decl_common_unused : 2;
- union tree_decl_u1 {
- /* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
- DECL_FUNCTION_CODE. */
- enum built_in_function f;
- /* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this
- is used by language-dependent code. */
- HOST_WIDE_INT i;
- /* DECL_ALIGN and DECL_OFFSET_ALIGN. (These are not used for
- FUNCTION_DECLs). */
- struct tree_decl_u1_a {
- unsigned int align : 24;
- unsigned int off_align : 8;
- } a;
- } GTY ((skip)) u1;
+ unsigned int align : 24;
+ /* DECL_OFFSET_ALIGN, used only for FIELD_DECLs. */
+ unsigned int off_align : 8;
tree size_unit;
tree initial;
tree attributes;
tree abstract_origin;
- HOST_WIDE_INT pointer_alias_set;
+ alias_set_type pointer_alias_set;
/* Points to a structure whose details depend on the language in use. */
struct lang_decl *lang_specific;
};
DECL_OFFSET_ALIGN thus returns the alignment that DECL_FIELD_OFFSET
has. */
#define DECL_OFFSET_ALIGN(NODE) \
- (((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl_common.u1.a.off_align)
+ (((unsigned HOST_WIDE_INT)1) << FIELD_DECL_CHECK (NODE)->decl_common.off_align)
/* Specify that DECL_ALIGN(NODE) is a multiple of X. */
#define SET_DECL_OFFSET_ALIGN(NODE, X) \
- (FIELD_DECL_CHECK (NODE)->decl_common.u1.a.off_align = exact_log2 ((X) & -(X)))
+ (FIELD_DECL_CHECK (NODE)->decl_common.off_align = exact_log2 ((X) & -(X)))
/* 1 if the alignment for this type was requested by "aligned" attribute,
0 if it is the default for this type. */
struct tree_label_decl GTY(())
{
struct tree_decl_with_rtl common;
- /* Java's verifier has some need to store information about labels,
- and was using fields that no longer exist on labels.
- Once the verifier doesn't need these anymore, they should be removed. */
- tree java_field_1;
- tree java_field_2;
- tree java_field_3;
- unsigned int java_field_4;
-
};
struct tree_result_decl GTY(())
{
struct tree_decl_non_common common;
+ /* In a FUNCTION_DECL for which DECL_BUILT_IN holds, this is
+ DECL_FUNCTION_CODE. Otherwise unused. */
+ enum built_in_function function_code;
+
unsigned static_ctor_flag : 1;
unsigned static_dtor_flag : 1;
unsigned uninlinable : 1;
#define VALUE_HANDLE_EXPR_SET(NODE) \
(VALUE_HANDLE_CHECK (NODE)->value_handle.expr_set)
-#define VALUE_HANDLE_VUSES(NODE) \
- (VALUE_HANDLE_CHECK (NODE)->value_handle.vuses)
-
/* Defined and used in tree-ssa-pre.c. */
struct tree_value_handle GTY(())
conveniently dense form starting at 0, so that we can make
bitmaps of value handles. */
unsigned int id;
-
- /* Set of virtual uses represented by this handle. */
- VEC (tree, gc) *vuses;
};
\f
/* Define the overall contents of a tree node.
struct tree_common GTY ((tag ("TS_COMMON"))) common;
struct tree_int_cst GTY ((tag ("TS_INT_CST"))) int_cst;
struct tree_real_cst GTY ((tag ("TS_REAL_CST"))) real_cst;
+ struct tree_fixed_cst GTY ((tag ("TS_FIXED_CST"))) fixed_cst;
struct tree_vector GTY ((tag ("TS_VECTOR"))) vector;
struct tree_string GTY ((tag ("TS_STRING"))) string;
struct tree_complex GTY ((tag ("TS_COMPLEX"))) complex;
TI_MAIN_IDENTIFIER,
+ TI_SAT_SFRACT_TYPE,
+ TI_SAT_FRACT_TYPE,
+ TI_SAT_LFRACT_TYPE,
+ TI_SAT_LLFRACT_TYPE,
+ TI_SAT_USFRACT_TYPE,
+ TI_SAT_UFRACT_TYPE,
+ TI_SAT_ULFRACT_TYPE,
+ TI_SAT_ULLFRACT_TYPE,
+ TI_SFRACT_TYPE,
+ TI_FRACT_TYPE,
+ TI_LFRACT_TYPE,
+ TI_LLFRACT_TYPE,
+ TI_USFRACT_TYPE,
+ TI_UFRACT_TYPE,
+ TI_ULFRACT_TYPE,
+ TI_ULLFRACT_TYPE,
+ TI_SAT_SACCUM_TYPE,
+ TI_SAT_ACCUM_TYPE,
+ TI_SAT_LACCUM_TYPE,
+ TI_SAT_LLACCUM_TYPE,
+ TI_SAT_USACCUM_TYPE,
+ TI_SAT_UACCUM_TYPE,
+ TI_SAT_ULACCUM_TYPE,
+ TI_SAT_ULLACCUM_TYPE,
+ TI_SACCUM_TYPE,
+ TI_ACCUM_TYPE,
+ TI_LACCUM_TYPE,
+ TI_LLACCUM_TYPE,
+ TI_USACCUM_TYPE,
+ TI_UACCUM_TYPE,
+ TI_ULACCUM_TYPE,
+ TI_ULLACCUM_TYPE,
+ TI_QQ_TYPE,
+ TI_HQ_TYPE,
+ TI_SQ_TYPE,
+ TI_DQ_TYPE,
+ TI_TQ_TYPE,
+ TI_UQQ_TYPE,
+ TI_UHQ_TYPE,
+ TI_USQ_TYPE,
+ TI_UDQ_TYPE,
+ TI_UTQ_TYPE,
+ TI_SAT_QQ_TYPE,
+ TI_SAT_HQ_TYPE,
+ TI_SAT_SQ_TYPE,
+ TI_SAT_DQ_TYPE,
+ TI_SAT_TQ_TYPE,
+ TI_SAT_UQQ_TYPE,
+ TI_SAT_UHQ_TYPE,
+ TI_SAT_USQ_TYPE,
+ TI_SAT_UDQ_TYPE,
+ TI_SAT_UTQ_TYPE,
+ TI_HA_TYPE,
+ TI_SA_TYPE,
+ TI_DA_TYPE,
+ TI_TA_TYPE,
+ TI_UHA_TYPE,
+ TI_USA_TYPE,
+ TI_UDA_TYPE,
+ TI_UTA_TYPE,
+ TI_SAT_HA_TYPE,
+ TI_SAT_SA_TYPE,
+ TI_SAT_DA_TYPE,
+ TI_SAT_TA_TYPE,
+ TI_SAT_UHA_TYPE,
+ TI_SAT_USA_TYPE,
+ TI_SAT_UDA_TYPE,
+ TI_SAT_UTA_TYPE,
+
TI_MAX
};
#define dfloat64_ptr_type_node global_trees[TI_DFLOAT64_PTR_TYPE]
#define dfloat128_ptr_type_node global_trees[TI_DFLOAT128_PTR_TYPE]
+/* The fixed-point types. */
+#define sat_short_fract_type_node global_trees[TI_SAT_SFRACT_TYPE]
+#define sat_fract_type_node global_trees[TI_SAT_FRACT_TYPE]
+#define sat_long_fract_type_node global_trees[TI_SAT_LFRACT_TYPE]
+#define sat_long_long_fract_type_node global_trees[TI_SAT_LLFRACT_TYPE]
+#define sat_unsigned_short_fract_type_node \
+ global_trees[TI_SAT_USFRACT_TYPE]
+#define sat_unsigned_fract_type_node global_trees[TI_SAT_UFRACT_TYPE]
+#define sat_unsigned_long_fract_type_node \
+ global_trees[TI_SAT_ULFRACT_TYPE]
+#define sat_unsigned_long_long_fract_type_node \
+ global_trees[TI_SAT_ULLFRACT_TYPE]
+#define short_fract_type_node global_trees[TI_SFRACT_TYPE]
+#define fract_type_node global_trees[TI_FRACT_TYPE]
+#define long_fract_type_node global_trees[TI_LFRACT_TYPE]
+#define long_long_fract_type_node global_trees[TI_LLFRACT_TYPE]
+#define unsigned_short_fract_type_node global_trees[TI_USFRACT_TYPE]
+#define unsigned_fract_type_node global_trees[TI_UFRACT_TYPE]
+#define unsigned_long_fract_type_node global_trees[TI_ULFRACT_TYPE]
+#define unsigned_long_long_fract_type_node \
+ global_trees[TI_ULLFRACT_TYPE]
+#define sat_short_accum_type_node global_trees[TI_SAT_SACCUM_TYPE]
+#define sat_accum_type_node global_trees[TI_SAT_ACCUM_TYPE]
+#define sat_long_accum_type_node global_trees[TI_SAT_LACCUM_TYPE]
+#define sat_long_long_accum_type_node global_trees[TI_SAT_LLACCUM_TYPE]
+#define sat_unsigned_short_accum_type_node \
+ global_trees[TI_SAT_USACCUM_TYPE]
+#define sat_unsigned_accum_type_node global_trees[TI_SAT_UACCUM_TYPE]
+#define sat_unsigned_long_accum_type_node \
+ global_trees[TI_SAT_ULACCUM_TYPE]
+#define sat_unsigned_long_long_accum_type_node \
+ global_trees[TI_SAT_ULLACCUM_TYPE]
+#define short_accum_type_node global_trees[TI_SACCUM_TYPE]
+#define accum_type_node global_trees[TI_ACCUM_TYPE]
+#define long_accum_type_node global_trees[TI_LACCUM_TYPE]
+#define long_long_accum_type_node global_trees[TI_LLACCUM_TYPE]
+#define unsigned_short_accum_type_node global_trees[TI_USACCUM_TYPE]
+#define unsigned_accum_type_node global_trees[TI_UACCUM_TYPE]
+#define unsigned_long_accum_type_node global_trees[TI_ULACCUM_TYPE]
+#define unsigned_long_long_accum_type_node \
+ global_trees[TI_ULLACCUM_TYPE]
+#define qq_type_node global_trees[TI_QQ_TYPE]
+#define hq_type_node global_trees[TI_HQ_TYPE]
+#define sq_type_node global_trees[TI_SQ_TYPE]
+#define dq_type_node global_trees[TI_DQ_TYPE]
+#define tq_type_node global_trees[TI_TQ_TYPE]
+#define uqq_type_node global_trees[TI_UQQ_TYPE]
+#define uhq_type_node global_trees[TI_UHQ_TYPE]
+#define usq_type_node global_trees[TI_USQ_TYPE]
+#define udq_type_node global_trees[TI_UDQ_TYPE]
+#define utq_type_node global_trees[TI_UTQ_TYPE]
+#define sat_qq_type_node global_trees[TI_SAT_QQ_TYPE]
+#define sat_hq_type_node global_trees[TI_SAT_HQ_TYPE]
+#define sat_sq_type_node global_trees[TI_SAT_SQ_TYPE]
+#define sat_dq_type_node global_trees[TI_SAT_DQ_TYPE]
+#define sat_tq_type_node global_trees[TI_SAT_TQ_TYPE]
+#define sat_uqq_type_node global_trees[TI_SAT_UQQ_TYPE]
+#define sat_uhq_type_node global_trees[TI_SAT_UHQ_TYPE]
+#define sat_usq_type_node global_trees[TI_SAT_USQ_TYPE]
+#define sat_udq_type_node global_trees[TI_SAT_UDQ_TYPE]
+#define sat_utq_type_node global_trees[TI_SAT_UTQ_TYPE]
+#define ha_type_node global_trees[TI_HA_TYPE]
+#define sa_type_node global_trees[TI_SA_TYPE]
+#define da_type_node global_trees[TI_DA_TYPE]
+#define ta_type_node global_trees[TI_TA_TYPE]
+#define uha_type_node global_trees[TI_UHA_TYPE]
+#define usa_type_node global_trees[TI_USA_TYPE]
+#define uda_type_node global_trees[TI_UDA_TYPE]
+#define uta_type_node global_trees[TI_UTA_TYPE]
+#define sat_ha_type_node global_trees[TI_SAT_HA_TYPE]
+#define sat_sa_type_node global_trees[TI_SAT_SA_TYPE]
+#define sat_da_type_node global_trees[TI_SAT_DA_TYPE]
+#define sat_ta_type_node global_trees[TI_SAT_TA_TYPE]
+#define sat_uha_type_node global_trees[TI_SAT_UHA_TYPE]
+#define sat_usa_type_node global_trees[TI_SAT_USA_TYPE]
+#define sat_uda_type_node global_trees[TI_SAT_UDA_TYPE]
+#define sat_uta_type_node global_trees[TI_SAT_UTA_TYPE]
+
/* The node that should be placed at the end of a parameter list to
indicate that the function does not take a variable number of
arguments. The TREE_VALUE will be void_type_node and there will be
/* 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 (tree);
+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
extern tree build_constructor (tree, VEC(constructor_elt,gc) *);
extern tree build_constructor_single (tree, tree, tree);
extern tree build_constructor_from_list (tree, tree);
-extern tree build_real_from_int_cst (tree, tree);
+extern tree build_real_from_int_cst (tree, const_tree);
extern tree build_complex (tree, tree, tree);
extern tree build_one_cst (tree);
extern tree build_string (int, const char *);
extern tree build_offset_type (tree, tree);
extern tree build_complex_type (tree);
extern tree build_resx (int);
-extern tree array_type_nelts (tree);
+extern tree array_type_nelts (const_tree);
extern bool in_array_bounds_p (tree);
extern bool range_in_array_bounds_p (tree);
extern tree value_member (tree, tree);
-extern tree purpose_member (tree, tree);
+extern tree purpose_member (const_tree, tree);
extern int attribute_list_equal (tree, tree);
extern int attribute_list_contained (tree, tree);
-extern int tree_int_cst_equal (tree, tree);
-extern int tree_int_cst_lt (tree, tree);
-extern int tree_int_cst_compare (tree, tree);
-extern int host_integerp (tree, int);
-extern HOST_WIDE_INT tree_low_cst (tree, int);
-extern int tree_int_cst_msb (tree);
-extern int tree_int_cst_sgn (tree);
-extern int tree_int_cst_sign_bit (tree);
+extern int tree_int_cst_equal (const_tree, const_tree);
+extern int tree_int_cst_lt (const_tree, const_tree);
+extern int tree_int_cst_compare (const_tree, const_tree);
+extern int host_integerp (const_tree, int);
+extern HOST_WIDE_INT tree_low_cst (const_tree, int);
+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 bool tree_expr_nonnegative_p (tree);
extern bool tree_expr_nonnegative_warnv_p (tree, bool *);
-extern bool may_negate_without_overflow_p (tree);
-extern tree get_inner_array_type (tree);
+extern bool may_negate_without_overflow_p (const_tree);
+extern tree get_inner_array_type (const_tree);
+
+/* Construct various nodes representing fract or accum data types. */
+
+extern tree make_fract_type (int, int, int);
+extern tree make_accum_type (int, int, int);
+
+#define make_signed_fract_type(P) make_fract_type (P, 0, 0)
+#define make_unsigned_fract_type(P) make_fract_type (P, 1, 0)
+#define make_sat_signed_fract_type(P) make_fract_type (P, 0, 1)
+#define make_sat_unsigned_fract_type(P) make_fract_type (P, 1, 1)
+#define make_signed_accum_type(P) make_accum_type (P, 0, 0)
+#define make_unsigned_accum_type(P) make_accum_type (P, 1, 0)
+#define make_sat_signed_accum_type(P) make_accum_type (P, 0, 1)
+#define make_sat_unsigned_accum_type(P) make_accum_type (P, 1, 1)
+
+#define make_or_reuse_signed_fract_type(P) \
+ make_or_reuse_fract_type (P, 0, 0)
+#define make_or_reuse_unsigned_fract_type(P) \
+ make_or_reuse_fract_type (P, 1, 0)
+#define make_or_reuse_sat_signed_fract_type(P) \
+ make_or_reuse_fract_type (P, 0, 1)
+#define make_or_reuse_sat_unsigned_fract_type(P) \
+ make_or_reuse_fract_type (P, 1, 1)
+#define make_or_reuse_signed_accum_type(P) \
+ make_or_reuse_accum_type (P, 0, 0)
+#define make_or_reuse_unsigned_accum_type(P) \
+ make_or_reuse_accum_type (P, 1, 0)
+#define make_or_reuse_sat_signed_accum_type(P) \
+ make_or_reuse_accum_type (P, 0, 1)
+#define make_or_reuse_sat_unsigned_accum_type(P) \
+ make_or_reuse_accum_type (P, 1, 1)
/* From expmed.c. Since rtl.h is included after tree.h, we can't
put the prototype here. Rtl.h does declare the prototype if
/* Given a tree node and a string, return nonzero if the tree node is
a valid attribute name for the string. */
-extern int is_attribute_p (const char *, tree);
+extern int is_attribute_p (const char *, const_tree);
/* Given an attribute name and a list of attributes, return the list element
of the attribute or NULL_TREE if not found. */
/* Check whether CAND is suitable to be returned from get_qualified_type
(BASE, TYPE_QUALS). */
-extern bool check_qualified_type (tree, tree, int);
+extern bool check_qualified_type (const_tree, const_tree, int);
/* Return a version of the TYPE, qualified as indicated by the
TYPE_QUALS, if one exists. If no qualified version exists yet,
The value is BLKmode if no other mode is found. This is like
mode_for_size, but is passed a tree. */
-extern enum machine_mode mode_for_size_tree (tree, enum mode_class, int);
+extern enum machine_mode mode_for_size_tree (const_tree, enum mode_class, int);
/* Return an expr equal to X but certainly not valid as an lvalue. */
extern tree non_lvalue (tree);
extern tree convert (tree, tree);
-extern unsigned int expr_align (tree);
+extern unsigned int expr_align (const_tree);
extern tree expr_first (tree);
+extern const_tree const_expr_first (const_tree);
extern tree expr_last (tree);
+extern const_tree const_expr_last (const_tree);
extern tree expr_only (tree);
-extern tree size_in_bytes (tree);
-extern HOST_WIDE_INT int_size_in_bytes (tree);
-extern HOST_WIDE_INT max_int_size_in_bytes (tree);
-extern tree bit_position (tree);
-extern HOST_WIDE_INT int_bit_position (tree);
-extern tree byte_position (tree);
-extern HOST_WIDE_INT int_byte_position (tree);
+extern const_tree const_expr_only (const_tree);
+extern tree size_in_bytes (const_tree);
+extern HOST_WIDE_INT int_size_in_bytes (const_tree);
+extern HOST_WIDE_INT max_int_size_in_bytes (const_tree);
+extern tree bit_position (const_tree);
+extern HOST_WIDE_INT int_bit_position (const_tree);
+extern tree byte_position (const_tree);
+extern HOST_WIDE_INT int_byte_position (const_tree);
/* Define data structures, macros, and functions for handling sizes
and the various types used to represent sizes. */
/* Returns the length of a chain of nodes
(number of chain pointers to follow before reaching a null pointer). */
-extern int list_length (tree);
+extern int list_length (const_tree);
/* Returns the number of FIELD_DECLs in a type. */
-extern int fields_length (tree);
+extern int fields_length (const_tree);
/* Given an initializer INIT, return TRUE if INIT is zero or some
aggregate of zeros. Otherwise return FALSE. */
-extern bool initializer_zerop (tree);
+extern bool initializer_zerop (const_tree);
/* Examine CTOR to discover:
* how many scalar fields are set to nonzero values,
Return whether or not CTOR is a valid static constant initializer, the same
as "initializer_constant_valid_p (CTOR, TREE_TYPE (CTOR)) != 0". */
-extern bool categorize_ctor_elements (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
+extern bool categorize_ctor_elements (const_tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
bool *);
-extern HOST_WIDE_INT count_type_elements (tree, bool);
+extern HOST_WIDE_INT count_type_elements (const_tree, bool);
/* integer_zerop (tree x) is nonzero if X is an integer constant of value 0. */
-extern int integer_zerop (tree);
+extern int integer_zerop (const_tree);
/* integer_onep (tree x) is nonzero if X is an integer constant of value 1. */
-extern int integer_onep (tree);
+extern int integer_onep (const_tree);
/* integer_all_onesp (tree x) is nonzero if X is an integer constant
all of whose significant bits are 1. */
-extern int integer_all_onesp (tree);
+extern int integer_all_onesp (const_tree);
/* integer_pow2p (tree x) is nonzero is X is an integer constant with
exactly one bit 1. */
-extern int integer_pow2p (tree);
+extern int integer_pow2p (const_tree);
/* integer_nonzerop (tree x) is nonzero if X is an integer constant
with a nonzero value. */
-extern int integer_nonzerop (tree);
+extern int integer_nonzerop (const_tree);
+
+extern bool cst_and_fits_in_hwi (const_tree);
+extern tree num_ending_zeros (const_tree);
+
+/* fixed_zerop (tree x) is nonzero if X is a fixed-point constant of
+ value 0. */
-extern bool cst_and_fits_in_hwi (tree);
-extern tree num_ending_zeros (tree);
+extern int fixed_zerop (const_tree);
/* staticp (tree x) is nonzero if X is a reference to data allocated
at a fixed address in memory. Returns the outermost data. */
/* Return which tree structure is used by T. */
-enum tree_node_structure_enum tree_node_structure (tree);
+enum tree_node_structure_enum tree_node_structure (const_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.
Note that we only allow such expressions within simple arithmetic
or a COND_EXPR. */
-extern bool contains_placeholder_p (tree);
+extern bool contains_placeholder_p (const_tree);
/* This macro calls the above function but short-circuits the common
case of a constant to save time. Also check for null. */
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. */
+
+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 (tree);
+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. */
/* Given a DECL or TYPE, return the scope in which it was declared, or
NUL_TREE if there is no containing scope. */
-extern tree get_containing_scope (tree);
+extern tree get_containing_scope (const_tree);
/* Return the FUNCTION_DECL which provides this _DECL with its context,
or zero if none. */
-extern tree decl_function_context (tree);
+extern tree decl_function_context (const_tree);
/* Return the RECORD_TYPE, UNION_TYPE, or QUAL_UNION_TYPE which provides
this _DECL with its context, or zero if none. */
-extern tree decl_type_context (tree);
+extern tree decl_type_context (const_tree);
/* Return 1 if EXPR is the real constant zero. */
-extern int real_zerop (tree);
+extern int real_zerop (const_tree);
\f
/* Declare commonly used variables for tree structure. */
extern unsigned crc32_string (unsigned, const char *);
extern void clean_symbol_name (char *);
extern tree get_file_function_name (const char *);
-extern tree get_callee_fndecl (tree);
+extern tree get_callee_fndecl (const_tree);
extern void change_decl_assembler_name (tree, tree);
-extern int type_num_arguments (tree);
+extern int type_num_arguments (const_tree);
extern bool associative_tree_code (enum tree_code);
extern bool commutative_tree_code (enum tree_code);
extern tree upper_bound_in_type (tree, tree);
extern tree lower_bound_in_type (tree, tree);
-extern int operand_equal_for_phi_arg_p (tree, tree);
+extern int operand_equal_for_phi_arg_p (const_tree, const_tree);
extern bool empty_body_p (tree);
extern tree call_expr_arg (tree, int);
extern tree *call_expr_argp (tree, int);
/* In stmt.c */
extern void expand_expr_stmt (tree);
-extern int warn_if_unused_value (tree, location_t);
+extern int warn_if_unused_value (const_tree, location_t);
extern void expand_label (tree);
extern void expand_goto (tree);
extern rtx expand_stack_save (void);
extern void expand_stack_restore (tree);
extern void expand_return (tree);
-extern int is_body_block (tree);
+extern int is_body_block (const_tree);
/* In tree-eh.c */
extern void using_eh_for_cleanups (void);
extern int folding_initializer;
/* Convert between trees and native memory representation. */
-extern int native_encode_expr (tree, unsigned char *, int);
-extern tree native_interpret_expr (tree, unsigned char *, int);
+extern int native_encode_expr (const_tree, unsigned char *, int);
+extern tree native_interpret_expr (tree, const unsigned char *, int);
/* Fold constants as much as possible in an expression.
Returns the simplified expression.
extern tree fold_build3_initializer (enum tree_code, tree, tree, tree, tree);
extern tree fold_build_call_array (tree, tree, int, tree *);
extern tree fold_build_call_array_initializer (tree, tree, int, tree *);
-extern bool fold_convertible_p (tree, tree);
+extern bool fold_convertible_p (const_tree, const_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);
int, bool);
extern int fit_double_type (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
- unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, tree);
+ unsigned HOST_WIDE_INT *, HOST_WIDE_INT *, const_tree);
extern int add_double_with_sign (unsigned HOST_WIDE_INT, HOST_WIDE_INT,
unsigned HOST_WIDE_INT, HOST_WIDE_INT,
unsigned HOST_WIDE_INT *, HOST_WIDE_INT *,
OEP_PURE_SAME = 2
};
-extern int operand_equal_p (tree, tree, unsigned int);
+extern int operand_equal_p (const_tree, const_tree, unsigned int);
extern int multiple_of_p (tree, tree, tree);
extern tree omit_one_operand (tree, tree, tree);
extern tree omit_two_operands (tree, tree, tree, tree);
extern tree fold_unary_to_constant (enum tree_code, tree, tree);
extern tree fold_binary_to_constant (enum tree_code, tree, tree, tree);
extern tree fold_read_from_constant_string (tree);
-extern tree int_const_binop (enum tree_code, tree, tree, int);
+extern tree int_const_binop (enum tree_code, const_tree, const_tree, int);
extern tree build_fold_addr_expr (tree);
extern tree fold_build_cleanup_point_expr (tree type, tree expr);
extern tree fold_strip_sign_ops (tree);
extern tree constant_boolean_node (int, tree);
extern tree build_low_bits_mask (tree, unsigned);
-extern bool tree_swap_operands_p (tree, tree, bool);
+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 tree fold_builtin_strncpy_chk (tree, tree, tree, tree, tree);
extern tree fold_builtin_snprintf_chk (tree, tree, enum built_in_function);
extern bool fold_builtin_next_arg (tree, bool);
-extern enum built_in_function builtin_mathfn_code (tree);
+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 tree std_gimplify_va_arg_expr (tree, tree, tree *, tree *);
extern tree build_va_arg_indirect_ref (tree);
extern tree build_string_literal (int, const char *);
-extern bool validate_arglist (tree, ...);
+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);
/* In alias.c */
extern void record_component_aliases (tree);
-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 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 (tree);
-extern int int_fits_type_p (tree, tree);
-extern void get_type_static_bounds (tree, mpz_t, mpz_t);
+extern int really_constant_p (const_tree);
+extern int int_fits_type_p (const_tree, const_tree);
+extern void get_type_static_bounds (const_tree, mpz_t, mpz_t);
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 hashval_t iterative_hash_expr (tree, hashval_t);
-extern int compare_tree_int (tree, unsigned HOST_WIDE_INT);
-extern int type_list_equal (tree, tree);
-extern int chain_member (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 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 tree type_hash_lookup (unsigned int, tree);
extern void type_hash_add (unsigned int, tree);
-extern int simple_cst_list_equal (tree, tree);
+extern int simple_cst_list_equal (const_tree, const_tree);
extern void dump_tree_statistics (void);
extern void expand_function_end (void);
extern void expand_function_start (tree);
extern bool needs_to_live_in_memory (tree);
extern tree reconstruct_complex_type (tree, tree);
-extern int real_onep (tree);
-extern int real_twop (tree);
-extern int real_minus_onep (tree);
+extern int real_onep (const_tree);
+extern int real_twop (const_tree);
+extern int real_minus_onep (const_tree);
extern void init_ttree (void);
extern void build_common_tree_nodes (bool, bool);
extern void build_common_tree_nodes_2 (int);
extern void build_common_builtin_nodes (void);
extern tree build_nonstandard_integer_type (unsigned HOST_WIDE_INT, int);
extern tree build_range_type (tree, tree, tree);
-extern HOST_WIDE_INT int_cst_value (tree);
+extern HOST_WIDE_INT int_cst_value (const_tree);
extern tree build_addr (tree, tree);
-extern bool fields_compatible_p (tree, tree);
+extern bool fields_compatible_p (const_tree, const_tree);
extern tree find_compatible_field (tree, tree);
-extern location_t expr_location (tree);
+extern location_t expr_location (const_tree);
extern void set_expr_location (tree, location_t);
-extern bool expr_has_location (tree);
+extern bool expr_has_location (const_tree);
extern
#ifdef USE_MAPPED_LOCATION
source_location *
#else
source_locus
#endif
-expr_locus (tree);
+expr_locus (const_tree);
extern void set_expr_locus (tree,
#ifdef USE_MAPPED_LOCATION
source_location *loc
source_locus loc
#endif
);
-extern const char **expr_filename (tree);
-extern int *expr_lineno (tree);
+extern const char **expr_filename (const_tree);
+extern int *expr_lineno (const_tree);
extern tree *tree_block (tree);
extern tree *generic_tree_operand (tree, int);
extern tree *generic_tree_type (tree);
extern unsigned int 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 bool use_register_for_decl (const_tree);
extern void generate_setjmp_warnings (void);
extern void init_temp_slots (void);
extern void free_temp_slots (void);
/* In print-rtl.c */
#ifdef BUFSIZ
-extern void print_rtl (FILE *, rtx);
+extern void print_rtl (FILE *, const_rtx);
#endif
/* In print-tree.c */
extern void debug_tree (tree);
#ifdef BUFSIZ
-extern void dump_addr (FILE*, const char *, void *);
+extern void dump_addr (FILE*, const char *, const void *);
extern void print_node (FILE *, const char *, tree, int);
-extern void print_node_brief (FILE *, const char *, tree, int);
+extern void print_node_brief (FILE *, const char *, const_tree, int);
extern void indent_to (FILE *, int);
#endif
it does not necessarily fit ECF_CONST). */
#define ECF_NOVOPS 1024
-extern int flags_from_decl_or_type (tree);
-extern int call_expr_flags (tree);
+extern int flags_from_decl_or_type (const_tree);
+extern int call_expr_flags (const_tree);
-extern int setjmp_call_p (tree);
-extern bool alloca_call_p (tree);
+extern int setjmp_call_p (const_tree);
+extern bool alloca_call_p (const_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 gimplify.c. */
extern tree create_artificial_label (void);
extern void gimplify_function_tree (tree);
-extern const char *get_name (tree);
+extern const char *get_name (const_tree);
extern tree unshare_expr (tree);
extern void sort_case_labels (tree);
\f
extern unsigned HOST_WIDE_INT compute_builtin_object_size (tree, int);
/* In expr.c. */
-extern unsigned HOST_WIDE_INT highest_pow2_factor (tree);
+extern unsigned HOST_WIDE_INT highest_pow2_factor (const_tree);
/* In tree-inline.c. */
tcc_vl_exp nodes like CALL_EXPRs, this is stored in the node itself,
otherwise it is looked up from the node's code. */
static inline int
-tree_operand_length (tree node)
+tree_operand_length (const_tree node)
{
if (VL_EXP_CLASS_P (node))
return VL_EXP_OPERAND_LENGTH (node);
int i; /* next argument index */
} call_expr_arg_iterator;
+typedef struct const_call_expr_arg_iterator_d GTY (())
+{
+ const_tree t; /* the call_expr */
+ int n; /* argument count */
+ int i; /* next argument index */
+} const_call_expr_arg_iterator;
+
/* Initialize the abstract argument list iterator object ITER with the
arguments from CALL_EXPR node EXP. */
static inline void
iter->i = 0;
}
+static inline void
+init_const_call_expr_arg_iterator (const_tree exp, const_call_expr_arg_iterator *iter)
+{
+ iter->t = exp;
+ iter->n = call_expr_nargs (exp);
+ iter->i = 0;
+}
+
/* Return the next argument from abstract argument list iterator object ITER,
and advance its state. Return NULL_TREE if there are no more arguments. */
static inline tree
return result;
}
+static inline const_tree
+next_const_call_expr_arg (const_call_expr_arg_iterator *iter)
+{
+ const_tree result;
+ if (iter->i >= iter->n)
+ return NULL_TREE;
+ result = CALL_EXPR_ARG (iter->t, iter->i);
+ iter->i++;
+ return result;
+}
+
/* Initialize the abstract argument list iterator object ITER, then advance
past and return the first argument. Useful in for expressions, e.g.
for (arg = first_call_expr_arg (exp, &iter); arg;
return next_call_expr_arg (iter);
}
+static inline const_tree
+first_const_call_expr_arg (const_tree exp, const_call_expr_arg_iterator *iter)
+{
+ init_const_call_expr_arg_iterator (exp, iter);
+ return next_const_call_expr_arg (iter);
+}
+
/* Test whether there are more arguments in abstract argument list iterator
ITER, without changing its state. */
static inline bool
return (iter->i < iter->n);
}
+static inline bool
+more_const_call_expr_args_p (const const_call_expr_arg_iterator *iter)
+{
+ return (iter->i < iter->n);
+}
/* Iterate through each argument ARG of CALL_EXPR CALL, using variable ITER
(of type call_expr_arg_iterator) to hold the iteration state. */
for ((arg) = first_call_expr_arg ((call), &(iter)); (arg); \
(arg) = next_call_expr_arg (&(iter)))
+#define FOR_EACH_CONST_CALL_EXPR_ARG(arg, iter, call) \
+ for ((arg) = first_const_call_expr_arg ((call), &(iter)); (arg); \
+ (arg) = next_const_call_expr_arg (&(iter)))
+
#endif /* GCC_TREE_H */
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