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- /* Traits for hashing trees.
- Copyright (C) 2014-2020 Free Software Foundation, Inc.
-
- This file is part of GCC.
-
- 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 3, or (at your option) any later
- version.
-
- GCC is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING3. If not see
- <http://www.gnu.org/licenses/>. */
-
- #ifndef tree_hash_traits_h
- #define tree_hash_traits_h
-
- /* Hash for trees based on operand_equal_p. */
- struct tree_operand_hash : ggc_ptr_hash <tree_node>
- {
- static inline hashval_t hash (const value_type &);
- static inline bool equal (const value_type &,
- const compare_type &);
- };
-
- inline hashval_t
- tree_operand_hash::hash (const value_type &t)
- {
- return iterative_hash_expr (t, 0);
- }
-
- inline bool
- tree_operand_hash::equal (const value_type &t1,
- const compare_type &t2)
- {
- return operand_equal_p (t1, t2, 0);
- }
-
- #endif
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