diff options
Diffstat (limited to 'kernel/bitpattern.h')
| -rw-r--r-- | kernel/bitpattern.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/kernel/bitpattern.h b/kernel/bitpattern.h index 00bbc3bfb..894a95ed1 100644 --- a/kernel/bitpattern.h +++ b/kernel/bitpattern.h @@ -2,11 +2,11 @@ * yosys -- Yosys Open SYnthesis Suite * * Copyright (C) 2012 Clifford Wolf <clifford@clifford.at> - * + * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. - * + * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR @@ -30,7 +30,7 @@ struct BitPatternPool int width; struct bits_t { std::vector<RTLIL::State> bitdata; - unsigned int cached_hash; + mutable unsigned int cached_hash; bits_t(int width = 0) : bitdata(width), cached_hash(0) { } RTLIL::State &operator[](int index) { return bitdata[index]; @@ -45,7 +45,7 @@ struct BitPatternPool } unsigned int hash() const { if (!cached_hash) - ((bits_t*)this)->cached_hash = hash_ops<std::vector<RTLIL::State>>::hash(bitdata); + cached_hash = hash_ops<std::vector<RTLIL::State>>::hash(bitdata); return cached_hash; } }; @@ -154,7 +154,7 @@ struct BitPatternPool { return database.empty(); } -}; +}; YOSYS_NAMESPACE_END |