/* Fold a constant sub-tree into a single node for C-compiler
- Copyright (C) 1987-2015 Free Software Foundation, Inc.
+ Copyright (C) 1987-2020 Free Software Foundation, Inc.
This file is part of GCC.
/* Convert between trees and native memory representation. */
extern int native_encode_expr (const_tree, unsigned char *, int, int off = -1);
+extern int native_encode_initializer (tree, unsigned char *, int,
+ int off = -1);
extern tree native_interpret_expr (tree, const unsigned char *, int);
+extern bool can_native_interpret_type_p (tree);
+extern void shift_bytes_in_array_left (unsigned char *, unsigned int,
+ unsigned int);
+extern void shift_bytes_in_array_right (unsigned char *, unsigned int,
+ unsigned int);
/* Fold constants as much as possible in an expression.
Returns the simplified expression.
fold_ternary_loc (UNKNOWN_LOCATION, CODE, T1, T2, T3, T4)
extern tree fold_ternary_loc (location_t, enum tree_code, tree, tree, tree, tree);
#define fold_build1(c,t1,t2)\
- fold_build1_stat_loc (UNKNOWN_LOCATION, c, t1, t2 MEM_STAT_INFO)
-#define fold_build1_loc(l,c,t1,t2)\
- fold_build1_stat_loc (l, c, t1, t2 MEM_STAT_INFO)
-extern tree fold_build1_stat_loc (location_t, enum tree_code, tree,
- tree MEM_STAT_DECL);
+ fold_build1_loc (UNKNOWN_LOCATION, c, t1, t2 MEM_STAT_INFO)
+extern tree fold_build1_loc (location_t, enum tree_code, tree,
+ tree CXX_MEM_STAT_INFO);
#define fold_build2(c,t1,t2,t3)\
- fold_build2_stat_loc (UNKNOWN_LOCATION, c, t1, t2, t3 MEM_STAT_INFO)
-#define fold_build2_loc(l,c,t1,t2,t3)\
- fold_build2_stat_loc (l, c, t1, t2, t3 MEM_STAT_INFO)
-extern tree fold_build2_stat_loc (location_t, enum tree_code, tree, tree,
- tree MEM_STAT_DECL);
+ fold_build2_loc (UNKNOWN_LOCATION, c, t1, t2, t3 MEM_STAT_INFO)
+extern tree fold_build2_loc (location_t, enum tree_code, tree, tree,
+ tree CXX_MEM_STAT_INFO);
#define fold_build3(c,t1,t2,t3,t4)\
- fold_build3_stat_loc (UNKNOWN_LOCATION, c, t1, t2, t3, t4 MEM_STAT_INFO)
-#define fold_build3_loc(l,c,t1,t2,t3,t4)\
- fold_build3_stat_loc (l, c, t1, t2, t3, t4 MEM_STAT_INFO)
-extern tree fold_build3_stat_loc (location_t, enum tree_code, tree, tree, tree,
- tree MEM_STAT_DECL);
+ fold_build3_loc (UNKNOWN_LOCATION, c, t1, t2, t3, t4 MEM_STAT_INFO)
+extern tree fold_build3_loc (location_t, enum tree_code, tree, tree, tree,
+ tree CXX_MEM_STAT_INFO);
extern tree fold_build1_initializer_loc (location_t, enum tree_code, tree, tree);
extern tree fold_build2_initializer_loc (location_t, enum tree_code, tree, tree, tree);
#define fold_build_call_array(T1,T2,N,T4)\
#define fold_build_call_array_initializer(T1,T2,N,T4)\
fold_build_call_array_initializer_loc (UNKNOWN_LOCATION, T1, T2, N, T4)
extern tree fold_build_call_array_initializer_loc (location_t, tree, tree, int, tree *);
+extern tree get_array_ctor_element_at_index (tree, offset_int,
+ unsigned * = NULL);
extern bool fold_convertible_p (const_tree, const_tree);
#define fold_convert(T1,T2)\
fold_convert_loc (UNKNOWN_LOCATION, T1, T2)
extern void fold_undefer_overflow_warnings (bool, const gimple *, int);
extern void fold_undefer_and_ignore_overflow_warnings (void);
extern bool fold_deferring_overflow_warnings_p (void);
-extern int operand_equal_p (const_tree, const_tree, unsigned int);
+extern void fold_overflow_warning (const char*, enum warn_strict_overflow_code);
+extern enum tree_code fold_div_compare (enum tree_code, tree, tree,
+ tree *, tree *, bool *);
+extern bool operand_equal_p (const_tree, const_tree, unsigned int flags = 0);
extern int multiple_of_p (tree, const_tree, const_tree);
#define omit_one_operand(T1,T2,T3)\
omit_one_operand_loc (UNKNOWN_LOCATION, T1, T2, T3)
extern tree invert_truthvalue_loc (location_t, 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_bit_and_mask (tree, tree, enum tree_code,
+ tree, enum tree_code, tree, tree,
+ tree, enum tree_code, tree, tree, tree *);
extern tree fold_read_from_constant_string (tree);
-extern tree int_const_binop (enum tree_code, const_tree, const_tree);
+extern tree fold_read_from_vector (tree, poly_uint64);
+#if GCC_VEC_PERN_INDICES_H
+extern tree fold_vec_perm (tree, tree, tree, const vec_perm_indices &);
+#endif
+extern bool wide_int_binop (wide_int &res, enum tree_code,
+ const wide_int &arg1, const wide_int &arg2,
+ signop, wi::overflow_type *);
+extern tree int_const_binop (enum tree_code, const_tree, const_tree, int = 1);
#define build_fold_addr_expr(T)\
build_fold_addr_expr_loc (UNKNOWN_LOCATION, (T))
extern tree build_fold_addr_expr_loc (location_t, tree);
extern tree build_simple_mem_ref_loc (location_t, tree);
#define build_simple_mem_ref(T)\
build_simple_mem_ref_loc (UNKNOWN_LOCATION, T)
-extern offset_int mem_ref_offset (const_tree);
-extern tree build_invariant_address (tree, tree, HOST_WIDE_INT);
+extern poly_offset_int mem_ref_offset (const_tree);
+extern tree build_invariant_address (tree, tree, poly_int64);
extern tree constant_boolean_node (bool, tree);
extern tree div_if_zero_remainder (const_tree, const_tree);
-extern bool tree_swap_operands_p (const_tree, const_tree, bool);
+extern bool tree_swap_operands_p (const_tree, const_tree);
extern enum tree_code swap_tree_comparison (enum tree_code);
-extern bool ptr_difference_const (tree, tree, HOST_WIDE_INT *);
+extern bool ptr_difference_const (tree, tree, poly_int64_pod *);
extern enum tree_code invert_tree_comparison (enum tree_code, bool);
+extern bool inverse_conditions_p (const_tree, const_tree);
extern bool tree_unary_nonzero_warnv_p (enum tree_code, tree, tree, bool *);
extern bool tree_binary_nonzero_warnv_p (enum tree_code, tree, tree, tree op1,
extern bool tree_binary_nonnegative_warnv_p (enum tree_code, tree, tree, tree,
bool *, int);
extern bool tree_single_nonnegative_warnv_p (tree, bool *, int);
-extern bool tree_call_nonnegative_warnv_p (tree, tree, tree, tree, bool *,
- int);
+extern bool tree_call_nonnegative_warnv_p (tree, combined_fn, tree, tree,
+ bool *, int);
+
+extern bool integer_valued_real_unary_p (tree_code, tree, int);
+extern bool integer_valued_real_binary_p (tree_code, tree, tree, int);
+extern bool integer_valued_real_call_p (combined_fn, tree, tree, int);
+extern bool integer_valued_real_single_p (tree, int);
+extern bool integer_valued_real_p (tree, int = 0);
extern bool fold_real_zero_addition_p (const_tree, const_tree, int);
extern tree combine_comparisons (location_t, enum tree_code, enum tree_code,
extern tree round_up_loc (location_t, tree, unsigned int);
#define round_down(T,N) round_down_loc (UNKNOWN_LOCATION, T, N)
extern tree round_down_loc (location_t, tree, int);
-extern tree size_int_kind (HOST_WIDE_INT, enum size_type_kind);
+extern tree size_int_kind (poly_int64, enum size_type_kind);
#define size_binop(CODE,T1,T2)\
size_binop_loc (UNKNOWN_LOCATION, CODE, T1, T2)
extern tree size_binop_loc (location_t, enum tree_code, tree, tree);
#define non_lvalue(T) non_lvalue_loc (UNKNOWN_LOCATION, T)
extern tree non_lvalue_loc (location_t, tree);
+extern bool tree_expr_nonzero_p (tree);
extern bool tree_expr_nonnegative_p (tree);
extern bool tree_expr_nonnegative_warnv_p (tree, bool *, int = 0);
extern tree make_range (tree, int *, tree *, tree *, bool *);
extern tree make_range_step (location_t, enum tree_code, tree, tree, tree,
tree *, tree *, int *, bool *);
+extern tree range_check_type (tree);
extern tree build_range_check (location_t, tree, tree, int, tree, tree);
extern bool merge_ranges (int *, tree *, tree *, int, tree, tree, int,
tree, tree);
extern tree sign_bit_p (tree, const_tree);
extern tree exact_inverse (tree, tree);
+extern bool expr_not_equal_to (tree t, const wide_int &);
extern tree const_unop (enum tree_code, tree, tree);
extern tree const_binop (enum tree_code, tree, tree, tree);
-extern bool negate_mathfn_p (enum built_in_function);
+extern bool negate_mathfn_p (combined_fn);
+extern const char *c_getstr (tree, unsigned HOST_WIDE_INT * = NULL);
+extern wide_int tree_nonzero_bits (const_tree);
/* Return OFF converted to a pointer offset type suitable as offset for
POINTER_PLUS_EXPR. Use location LOC for this conversion. */
#define fold_build_pointer_plus_hwi(p,o) \
fold_build_pointer_plus_hwi_loc (UNKNOWN_LOCATION, p, o)
+
+
+/* Class used to compare gimple operands. */
+
+class operand_compare
+{
+public:
+ /* Return true if two operands are equal. The flags fields can be used
+ to specify OEP flags described above. */
+ virtual bool operand_equal_p (const_tree, const_tree, unsigned int flags);
+
+ /* Generate a hash value for an expression. This can be used iteratively
+ by passing a previous result as the HSTATE argument. */
+ virtual void hash_operand (const_tree, inchash::hash &, unsigned flags);
+
+protected:
+ /* Verify that when arguments (ARG0 and ARG1) are equal, then they have
+ an equal hash value. When the function knowns comparison return,
+ true is returned. Then RET is set to corresponding comparsion result. */
+ bool verify_hash_value (const_tree arg0, const_tree arg1, unsigned int flags,
+ bool *ret);
+};
+
#endif // GCC_FOLD_CONST_H
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