Annotate an unlikely condition

No functional change.
official-stockfish · Jul 27, 2013 · d30dfc0 · d30dfc0
1 parent 6373e88
commit d30dfc0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/position.cpp b/src/position.cpp
@@ -652,7 +652,7 @@ bool Position::move_gives_check(Move m, const CheckInfo& ci) const {
       return true;
 
   // Discovery check ?
-  if (ci.dcCandidates && (ci.dcCandidates & from))
+  if (unlikely(ci.dcCandidates) && (ci.dcCandidates & from))
   {
       // For pawn and king moves we need to verify also direction
       if (   (pt != PAWN && pt != KING)