source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/hardware/tools/avr/lib/gcc/avr/4.9.2/plugin/include/fold-const.h @ 4837

Last change on this file since 4837 was 4837, checked in by daduve, 3 years ago

Adding new version

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1/* Fold a constant sub-tree into a single node for C-compiler
2   Copyright (C) 1987-2014 Free Software Foundation, Inc.
4This file is part of GCC.
6GCC is free software; you can redistribute it and/or modify it under
7the terms of the GNU General Public License as published by the Free
8Software Foundation; either version 3, or (at your option) any later
11GCC is distributed in the hope that it will be useful, but WITHOUT ANY
12WARRANTY; without even the implied warranty of MERCHANTABILITY or
13FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14for more details.
16You should have received a copy of the GNU General Public License
17along with GCC; see the file COPYING3.  If not see
18<>.  */
20#ifndef GCC_FOLD_CONST_H
21#define GCC_FOLD_CONST_H
23/* Non-zero if we are folding constants inside an initializer; zero
24   otherwise.  */
25extern int folding_initializer;
27/* Convert between trees and native memory representation.  */
28extern int native_encode_expr (const_tree, unsigned char *, int);
29extern tree native_interpret_expr (tree, const unsigned char *, int);
31/* Fold constants as much as possible in an expression.
32   Returns the simplified expression.
33   Acts only on the top level of the expression;
34   if the argument itself cannot be simplified, its
35   subexpressions are not changed.  */
37extern tree fold (tree);
38#define fold_unary(CODE,T1,T2)\
39   fold_unary_loc (UNKNOWN_LOCATION, CODE, T1, T2)
40extern tree fold_unary_loc (location_t, enum tree_code, tree, tree);
41#define fold_unary_ignore_overflow(CODE,T1,T2)\
42   fold_unary_ignore_overflow_loc (UNKNOWN_LOCATION, CODE, T1, T2)
43extern tree fold_unary_ignore_overflow_loc (location_t, enum tree_code, tree, tree);
44#define fold_binary(CODE,T1,T2,T3)\
45   fold_binary_loc (UNKNOWN_LOCATION, CODE, T1, T2, T3)
46extern tree fold_binary_loc (location_t, enum tree_code, tree, tree, tree);
47#define fold_ternary(CODE,T1,T2,T3,T4)\
48   fold_ternary_loc (UNKNOWN_LOCATION, CODE, T1, T2, T3, T4)
49extern tree fold_ternary_loc (location_t, enum tree_code, tree, tree, tree, tree);
50#define fold_build1(c,t1,t2)\
51   fold_build1_stat_loc (UNKNOWN_LOCATION, c, t1, t2 MEM_STAT_INFO)
52#define fold_build1_loc(l,c,t1,t2)\
53   fold_build1_stat_loc (l, c, t1, t2 MEM_STAT_INFO)
54extern tree fold_build1_stat_loc (location_t, enum tree_code, tree,
55                                  tree MEM_STAT_DECL);
56#define fold_build2(c,t1,t2,t3)\
57   fold_build2_stat_loc (UNKNOWN_LOCATION, c, t1, t2, t3 MEM_STAT_INFO)
58#define fold_build2_loc(l,c,t1,t2,t3)\
59   fold_build2_stat_loc (l, c, t1, t2, t3 MEM_STAT_INFO)
60extern tree fold_build2_stat_loc (location_t, enum tree_code, tree, tree,
61                                  tree MEM_STAT_DECL);
62#define fold_build3(c,t1,t2,t3,t4)\
63   fold_build3_stat_loc (UNKNOWN_LOCATION, c, t1, t2, t3, t4 MEM_STAT_INFO)
64#define fold_build3_loc(l,c,t1,t2,t3,t4)\
65   fold_build3_stat_loc (l, c, t1, t2, t3, t4 MEM_STAT_INFO)
66extern tree fold_build3_stat_loc (location_t, enum tree_code, tree, tree, tree,
67                                  tree MEM_STAT_DECL);
68extern tree fold_build1_initializer_loc (location_t, enum tree_code, tree, tree);
69extern tree fold_build2_initializer_loc (location_t, enum tree_code, tree, tree, tree);
70#define fold_build_call_array(T1,T2,N,T4)\
71   fold_build_call_array_loc (UNKNOWN_LOCATION, T1, T2, N, T4)
72extern tree fold_build_call_array_loc (location_t, tree, tree, int, tree *);
73#define fold_build_call_array_initializer(T1,T2,N,T4)\
74   fold_build_call_array_initializer_loc (UNKNOWN_LOCATION, T1, T2, N, T4)
75extern tree fold_build_call_array_initializer_loc (location_t, tree, tree, int, tree *);
76extern bool fold_convertible_p (const_tree, const_tree);
77#define fold_convert(T1,T2)\
78   fold_convert_loc (UNKNOWN_LOCATION, T1, T2)
79extern tree fold_convert_loc (location_t, tree, tree);
80extern tree fold_single_bit_test (location_t, enum tree_code, tree, tree, tree);
81extern tree fold_ignored_result (tree);
82extern tree fold_abs_const (tree, tree);
83extern tree fold_indirect_ref_1 (location_t, tree, tree);
84extern void fold_defer_overflow_warnings (void);
85extern void fold_undefer_overflow_warnings (bool, const_gimple, int);
86extern void fold_undefer_and_ignore_overflow_warnings (void);
87extern bool fold_deferring_overflow_warnings_p (void);
88extern tree fold_fma (location_t, tree, tree, tree, tree);
89extern int operand_equal_p (const_tree, const_tree, unsigned int);
90extern int multiple_of_p (tree, const_tree, const_tree);
91#define omit_one_operand(T1,T2,T3)\
92   omit_one_operand_loc (UNKNOWN_LOCATION, T1, T2, T3)
93extern tree omit_one_operand_loc (location_t, tree, tree, tree);
94#define omit_two_operands(T1,T2,T3,T4)\
95   omit_two_operands_loc (UNKNOWN_LOCATION, T1, T2, T3, T4)
96extern tree omit_two_operands_loc (location_t, tree, tree, tree, tree);
97#define invert_truthvalue(T)\
98   invert_truthvalue_loc (UNKNOWN_LOCATION, T)
99extern tree invert_truthvalue_loc (location_t, tree);
100extern tree fold_unary_to_constant (enum tree_code, tree, tree);
101extern tree fold_binary_to_constant (enum tree_code, tree, tree, tree);
102extern tree fold_read_from_constant_string (tree);
103extern tree int_const_binop (enum tree_code, const_tree, const_tree);
104#define build_fold_addr_expr(T)\
105        build_fold_addr_expr_loc (UNKNOWN_LOCATION, (T))
106extern tree build_fold_addr_expr_loc (location_t, tree);
107#define build_fold_addr_expr_with_type(T,TYPE)\
108        build_fold_addr_expr_with_type_loc (UNKNOWN_LOCATION, (T), TYPE)
109extern tree build_fold_addr_expr_with_type_loc (location_t, tree, tree);
110extern tree fold_build_cleanup_point_expr (tree type, tree expr);
111extern tree fold_strip_sign_ops (tree);
112#define build_fold_indirect_ref(T)\
113        build_fold_indirect_ref_loc (UNKNOWN_LOCATION, T)
114extern tree build_fold_indirect_ref_loc (location_t, tree);
115#define fold_indirect_ref(T)\
116        fold_indirect_ref_loc (UNKNOWN_LOCATION, T)
117extern tree fold_indirect_ref_loc (location_t, tree);
118extern tree build_simple_mem_ref_loc (location_t, tree);
119#define build_simple_mem_ref(T)\
120        build_simple_mem_ref_loc (UNKNOWN_LOCATION, T)
121extern double_int mem_ref_offset (const_tree);
122extern tree build_invariant_address (tree, tree, HOST_WIDE_INT);
123extern tree constant_boolean_node (bool, tree);
124extern tree div_if_zero_remainder (enum tree_code, const_tree, const_tree);
126extern bool tree_swap_operands_p (const_tree, const_tree, bool);
127extern enum tree_code swap_tree_comparison (enum tree_code);
129extern bool ptr_difference_const (tree, tree, HOST_WIDE_INT *);
130extern enum tree_code invert_tree_comparison (enum tree_code, bool);
132extern bool tree_unary_nonzero_warnv_p (enum tree_code, tree, tree, bool *);
133extern bool tree_binary_nonzero_warnv_p (enum tree_code, tree, tree, tree op1,
134                                         bool *);
135extern bool tree_single_nonzero_warnv_p (tree, bool *);
136extern bool tree_unary_nonnegative_warnv_p (enum tree_code, tree, tree, bool *);
137extern bool tree_binary_nonnegative_warnv_p (enum tree_code, tree, tree, tree,
138                                             bool *);
139extern bool tree_single_nonnegative_warnv_p (tree t, bool *strict_overflow_p);
140extern bool tree_call_nonnegative_warnv_p (tree, tree, tree, tree, bool *);
142extern bool fold_real_zero_addition_p (const_tree, const_tree, int);
143extern tree combine_comparisons (location_t, enum tree_code, enum tree_code,
144                                 enum tree_code, tree, tree, tree);
145extern void debug_fold_checksum (const_tree);
146extern bool may_negate_without_overflow_p (const_tree);
147#define round_up(T,N) round_up_loc (UNKNOWN_LOCATION, T, N)
148extern tree round_up_loc (location_t, tree, int);
149#define round_down(T,N) round_down_loc (UNKNOWN_LOCATION, T, N)
150extern tree round_down_loc (location_t, tree, int);
151extern tree size_int_kind (HOST_WIDE_INT, enum size_type_kind);
152#define size_binop(CODE,T1,T2)\
153   size_binop_loc (UNKNOWN_LOCATION, CODE, T1, T2)
154extern tree size_binop_loc (location_t, enum tree_code, tree, tree);
155#define size_diffop(T1,T2)\
156   size_diffop_loc (UNKNOWN_LOCATION, T1, T2)
157extern tree size_diffop_loc (location_t, tree, tree);
159/* Return an expr equal to X but certainly not valid as an lvalue.  */
160#define non_lvalue(T) non_lvalue_loc (UNKNOWN_LOCATION, T)
161extern tree non_lvalue_loc (location_t, tree);
163extern bool tree_expr_nonnegative_p (tree);
164extern bool tree_expr_nonnegative_warnv_p (tree, bool *);
165extern tree make_range (tree, int *, tree *, tree *, bool *);
166extern tree make_range_step (location_t, enum tree_code, tree, tree, tree,
167                             tree *, tree *, int *, bool *);
168extern tree build_range_check (location_t, tree, tree, int, tree, tree);
169extern bool merge_ranges (int *, tree *, tree *, int, tree, tree, int,
170                          tree, tree);
172#endif // GCC_FOLD_CONST_H
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