diff options
Diffstat (limited to 'src/mem/cache/tags/fa_lru.hh')
| -rw-r--r-- | src/mem/cache/tags/fa_lru.hh | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/src/mem/cache/tags/fa_lru.hh b/src/mem/cache/tags/fa_lru.hh index 35413c253..876219b00 100644 --- a/src/mem/cache/tags/fa_lru.hh +++ b/src/mem/cache/tags/fa_lru.hh @@ -111,19 +111,19 @@ class FALRU : public BaseTags FALRUBlk *tail; /** Hash table type mapping addresses to cache block pointers. */ - typedef std::unordered_map<Addr, FALRUBlk *, std::hash<Addr> > hash_t; - /** Iterator into the address hash table. */ - typedef hash_t::const_iterator tagIterator; + struct PairHash + { + template <class T1, class T2> + std::size_t operator()(const std::pair<T1, T2> &p) const + { + return std::hash<T1>()(p.first) ^ std::hash<T2>()(p.second); + } + }; + typedef std::pair<Addr, bool> TagHashKey; + typedef std::unordered_map<TagHashKey, FALRUBlk *, PairHash> TagHash; /** The address hash table. */ - hash_t tagHash; - - /** - * Find the cache block for the given address. - * @param addr The address to find. - * @return The cache block of the address, if any. - */ - FALRUBlk * hashLookup(Addr addr) const; + TagHash tagHash; /** * Move a cache block to the MRU position. |