Assorted trivial cleanups 1/2019

[stockfish] / src / tt.cpp

diff --git a/src/tt.cpp b/src/tt.cpp
index aa57efb600d062b4d772ef3cc20e661f38bb9c92..33768ca4117d099e8fc0a46284a14ea803c60195 100644 (file)
--- a/src/tt.cpp
+++ b/src/tt.cpp
@@ -30,8 +30,10 @@
 
 TranspositionTable TT; // Our global transposition table
 
-/// TTEntry::save saves a TTEntry
-void TTEntry::save(Key k, Value v, bool PvNode, Bound b, Depth d, Move m, Value ev) {
+/// TTEntry::save populates the TTEntry with a new node's data, possibly
+/// overwriting an old position. Update is not atomic and can be racy.
+
+void TTEntry::save(Key k, Value v, bool pv, Bound b, Depth d, Move m, Value ev) {
 
   assert(d / ONE_PLY * ONE_PLY == d);
 
@@ -47,7 +49,7 @@ void TTEntry::save(Key k, Value v, bool PvNode, Bound b, Depth d, Move m, Value
       key16     = (uint16_t)(k >> 48);
       value16   = (int16_t)v;
       eval16    = (int16_t)ev;
-      genBound8 = (uint8_t)(TT.generation8 | PvNode << 2 | b);
+      genBound8 = (uint8_t)(TT.generation8 | uint8_t(pv) << 2 | b);
       depth8    = (int8_t)(d / ONE_PLY);
   }
 }