Revert setting a flag when TT value equals static evaluation

[stockfish] / src / tt.h

diff --git a/src/tt.h b/src/tt.h
index a820d94ac5181efa74789258c474a167c507ec9e..76ecad81e101254dea4832984f2022dd9e2055da 100644 (file)
--- a/src/tt.h
+++ b/src/tt.h
@@ -46,8 +46,7 @@
 /// the 32 bits of the data field are so defined
 ///
 /// bit  0-16: move
 /// the 32 bits of the data field are so defined
 ///
 /// bit  0-16: move

-/// bit    17: stored value equals static value
-/// bit 18-19: not used
+/// bit 17-19: not used

 /// bit 20-22: value type
 /// bit 23-31: generation
 
 /// bit 20-22: value type
 /// bit 23-31: generation
 


@@ -62,8 +61,6 @@ public:
   Value value() const { return Value(value_); }
   ValueType type() const { return ValueType((data >> 20) & 7); }
   int generation() const { return (data >> 23); }
   Value value() const { return Value(value_); }
   ValueType type() const { return ValueType((data >> 20) & 7); }
   int generation() const { return (data >> 23); }

-  bool staticValue() const { return ((data >> 17) & 1); }
-  void setStaticValue() { data |= (1 << 17); }

 
 private:
   Key key_;
 
 private:
   Key key_;


@@ -83,7 +80,7 @@ public:
   ~TranspositionTable();
   void set_size(unsigned mbSize);
   void clear();
   ~TranspositionTable();
   void set_size(unsigned mbSize);
   void clear();

-  TTEntry* store(const Position &pos, Value v, Depth d, Move m, ValueType type);
+  void store(const Position &pos, Value v, Depth d, Move m, ValueType type);

   TTEntry* retrieve(const Position &pos) const;
   void new_search();
   void insert_pv(const Position &pos, Move pv[]);
   TTEntry* retrieve(const Position &pos) const;
   void new_search();
   void insert_pv(const Position &pos, Move pv[]);