11debfc3dSmrg /* Traits for hashing trees. 2*8feb0f0bSmrg Copyright (C) 2014-2020 Free Software Foundation, Inc. 31debfc3dSmrg 41debfc3dSmrg This file is part of GCC. 51debfc3dSmrg 61debfc3dSmrg GCC is free software; you can redistribute it and/or modify it under 71debfc3dSmrg the terms of the GNU General Public License as published by the Free 81debfc3dSmrg Software Foundation; either version 3, or (at your option) any later 91debfc3dSmrg version. 101debfc3dSmrg 111debfc3dSmrg GCC is distributed in the hope that it will be useful, but WITHOUT ANY 121debfc3dSmrg WARRANTY; without even the implied warranty of MERCHANTABILITY or 131debfc3dSmrg FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 141debfc3dSmrg for more details. 151debfc3dSmrg 161debfc3dSmrg You should have received a copy of the GNU General Public License 171debfc3dSmrg along with GCC; see the file COPYING3. If not see 181debfc3dSmrg <http://www.gnu.org/licenses/>. */ 191debfc3dSmrg 201debfc3dSmrg #ifndef tree_hash_traits_h 211debfc3dSmrg #define tree_hash_traits_h 221debfc3dSmrg 231debfc3dSmrg /* Hash for trees based on operand_equal_p. */ 241debfc3dSmrg struct tree_operand_hash : ggc_ptr_hash <tree_node> 251debfc3dSmrg { 261debfc3dSmrg static inline hashval_t hash (const value_type &); 271debfc3dSmrg static inline bool equal (const value_type &, 281debfc3dSmrg const compare_type &); 291debfc3dSmrg }; 301debfc3dSmrg 311debfc3dSmrg inline hashval_t hash(const value_type & t)321debfc3dSmrgtree_operand_hash::hash (const value_type &t) 331debfc3dSmrg { 341debfc3dSmrg return iterative_hash_expr (t, 0); 351debfc3dSmrg } 361debfc3dSmrg 371debfc3dSmrg inline bool equal(const value_type & t1,const compare_type & t2)381debfc3dSmrgtree_operand_hash::equal (const value_type &t1, 391debfc3dSmrg const compare_type &t2) 401debfc3dSmrg { 411debfc3dSmrg return operand_equal_p (t1, t2, 0); 421debfc3dSmrg } 431debfc3dSmrg 441debfc3dSmrg #endif 45