Remove as useless micro-optimization in pawns generation (#1915)

[stockfish] / src / movegen.cpp

diff --git a/src/movegen.cpp b/src/movegen.cpp
index 76a27d9f4936320165c0378f2b59225038b0abbe..e7678979f42450029c78d70cb0afe0d01358139e 100644 (file)
--- a/src/movegen.cpp
+++ b/src/movegen.cpp
@@ -96,7 +96,6 @@ namespace {
     // Compute our parametrized parameters at compile time, named according to
     // the point of view of white side.
     constexpr Color     Them     = (Us == WHITE ? BLACK      : WHITE);
-    constexpr Bitboard  TRank8BB = (Us == WHITE ? Rank8BB    : Rank1BB);
     constexpr Bitboard  TRank7BB = (Us == WHITE ? Rank7BB    : Rank2BB);
     constexpr Bitboard  TRank3BB = (Us == WHITE ? Rank3BB    : Rank6BB);
     constexpr Direction Up       = (Us == WHITE ? NORTH      : SOUTH);
@@ -161,7 +160,7 @@ namespace {
     }
 
     // Promotions and underpromotions
-    if (pawnsOn7 && (Type != EVASIONS || (target & TRank8BB)))
+    if (pawnsOn7)
     {
         if (Type == CAPTURES)
             emptySquares = ~pos.pieces();