Add a new rule on promoting pawns in evaluate_passed_pawns()

[stockfish] / src / movegen.cpp

diff --git a/src/movegen.cpp b/src/movegen.cpp
index edb36feabd796f83b2c0c9e2fa6cca25d7c69f6a..f83dded7c4bea3d5d15429ba45f08b18fa597bdc 100644 (file)
--- a/src/movegen.cpp
+++ b/src/movegen.cpp
@@ -476,10 +476,10 @@ namespace {
 
     Square from;
     Bitboard b;
+    const Square* ptr = pos.piece_list_begin(us, Piece);
 
-    for (int i = 0, e = pos.piece_count(us, Piece); i < e; i++)
+    while ((from = *ptr++) != SQ_NONE)
     {
-        from = pos.piece_list(us, Piece, i);
         b = pos.attacks_from<Piece>(from) & target;
         SERIALIZE_MOVES(b);
     }
@@ -502,10 +502,10 @@ namespace {
                                      Color us, Bitboard target, Bitboard pinned) {
     Square from;
     Bitboard b;
+    const Square* ptr = pos.piece_list_begin(us, Piece);
 
-    for (int i = 0, e = pos.piece_count(us, Piece); i < e; i++)
+    while ((from = *ptr++) != SQ_NONE)
     {
-        from = pos.piece_list(us, Piece, i);
         if (pinned && bit_is_set(pinned, from))
             continue;