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d6a818c5 | 1 | /* Traits for hashing trees. |
a945c346 | 2 | Copyright (C) 2014-2024 Free Software Foundation, Inc. |
d6a818c5 RS |
3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GCC; see the file COPYING3. If not see | |
18 | <http://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #ifndef tree_hash_traits_h | |
21 | #define tree_hash_traits_h | |
22 | ||
23 | /* Hash for trees based on operand_equal_p. */ | |
24 | struct tree_operand_hash : ggc_ptr_hash <tree_node> | |
25 | { | |
8ba66467 RB |
26 | static inline hashval_t hash (const value_type &); |
27 | static inline bool equal (const value_type &, | |
28 | const compare_type &); | |
d6a818c5 RS |
29 | }; |
30 | ||
31 | inline hashval_t | |
8ba66467 | 32 | tree_operand_hash::hash (const value_type &t) |
d6a818c5 RS |
33 | { |
34 | return iterative_hash_expr (t, 0); | |
35 | } | |
36 | ||
37 | inline bool | |
8ba66467 RB |
38 | tree_operand_hash::equal (const value_type &t1, |
39 | const compare_type &t2) | |
d6a818c5 RS |
40 | { |
41 | return operand_equal_p (t1, t2, 0); | |
42 | } | |
43 | ||
44 | #endif |