X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Ftt.h;h=0b7ccbe8f948ecacc603b3d189c387c16d6b2008;hb=55c46b2399e20276cc7db409b7a5a5be6e12fb54;hp=fb414bf157aeba9fa98fbe70bbb728cd27445e1e;hpb=630fda2e2cfd44ccf33c2c66ec30842fbca9a4f3;p=stockfish

diff --git a/src/tt.h b/src/tt.h
index fb414bf1..0b7ccbe8 100644
--- a/src/tt.h
+++ b/src/tt.h
@@ -36,12 +36,12 @@
 
 /// The TTEntry class is the class of transposition table entries
 ///
-/// A TTEntry needs 128 bits to be stored
+/// A TTEntry needs 96 bits to be stored
 ///
-/// bit    0-63: key
-/// bit   64-95: data
-/// bit  96-111: value
-/// bit 112-127: depth
+/// bit  0-31: key
+/// bit 32-63: data
+/// bit 64-79: value
+/// bit 80-95: depth
 ///
 /// the 32 bits of the data field are so defined
 ///
@@ -54,11 +54,11 @@ class TTEntry {
 
 public:
   TTEntry() {}
-  TTEntry(Key k, Value v, ValueType t, Depth d, Move m, int generation)
+  TTEntry(uint32_t k, Value v, ValueType t, Depth d, Move m, int generation)
         : key_ (k), data((m & 0x1FFFF) | (t << 20) | (generation << 23)),
           value_(int16_t(v)), depth_(int16_t(d)) {}
 
-  Key key() const { return key_; }
+  uint32_t key() const { return key_; }
   Depth depth() const { return Depth(depth_); }
   Move move() const { return Move(data & 0x1FFFF); }
   Value value() const { return Value(value_); }
@@ -66,7 +66,7 @@ public:
   int generation() const { return (data >> 23); }
 
 private:
-  Key key_;
+  uint32_t key_;
   uint32_t data;
   int16_t value_;
   int16_t depth_;
@@ -85,8 +85,10 @@ public:
   void clear();
   void store(const Key posKey, Value v, ValueType type, Depth d, Move m);
   TTEntry* retrieve(const Key posKey) const;
+  void prefetch(const Key posKey) const;
   void new_search();
   void insert_pv(const Position& pos, Move pv[]);
+  void extract_pv(const Position& pos, Move pv[]);
   int full() const;
 
 private:
@@ -103,4 +105,6 @@ private:
   uint8_t generation;
 };
 
+extern TranspositionTable TT;
+
 #endif // !defined(TT_H_INCLUDED)