Fix initialization of TTData

See official-stockfish#5766 No functional change bench: 1379150
mstembera · Jan 13, 2025 · fdfad4a · fdfad4a
1 parent c085670
commit fdfad4a
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/src/tt.cpp b/src/tt.cpp
@@ -238,7 +238,9 @@ std::tuple<bool, TTData, TTWriter> TranspositionTable::probe(const Key key) cons
             > tte[i].depth8 - tte[i].relative_age(generation8) * 2)
             replace = &tte[i];
 
-    return {false, TTData(), TTWriter(replace)};
+    return {false,
+            TTData{Move::none(), VALUE_NONE, VALUE_NONE, DEPTH_ENTRY_OFFSET, BOUND_NONE, false},
+            TTWriter(replace)};
 }
 
 

diff --git a/src/tt.h b/src/tt.h
@@ -51,6 +51,10 @@ struct TTData {
     Depth depth;
     Bound bound;
     bool  is_pv;
+
+    TTData() = delete;
+    TTData(Move m, Value v, Value ev, Depth d, Bound b, bool pv) :
+        move(m), value(v), eval(ev), depth(d), bound(b), is_pv(pv) {};
 };