Speedup and simplify pinners and blockers

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index 34e2f7eef16d0fdb9df11f043087801f3b33aa3d..18c783f0836ecd6b0d92157ae731472d5040f6ea 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -105,8 +105,7 @@ public:
 
   // Checking
   Bitboard checkers() const;
-  Bitboard discovered_check_candidates() const;
-  Bitboard pinned_pieces(Color c) const;
+  Bitboard blockers_for_king(Color c) const;
   Bitboard check_squares(PieceType pt) const;
 
   // Attacks to/from a given square
@@ -296,12 +295,8 @@ inline Bitboard Position::checkers() const {
   return st->checkersBB;
 }
 
-inline Bitboard Position::discovered_check_candidates() const {
-  return st->blockersForKing[~sideToMove] & pieces(sideToMove);
-}
-
-inline Bitboard Position::pinned_pieces(Color c) const {
-  return st->blockersForKing[c] & pieces(c);
+inline Bitboard Position::blockers_for_king(Color c) const {
+  return st->blockersForKing[c];
 }
 
 inline Bitboard Position::check_squares(PieceType pt) const {