Speed up updateShelter()

[stockfish] / src / bitboard.h

diff --git a/src/bitboard.h b/src/bitboard.h
index 6b277cd5a703eeee500c416cf70ffa38c3d09704..e8f74fc5c5c22f3f0df5f2b5e9e856c8d13d6b96 100644 (file)
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -38,7 +38,7 @@
 
 const Bitboard EmptyBoardBB = 0;
 
-const Bitboard FileABB = 0x0101010101010101;
+const Bitboard FileABB = 0x0101010101010101ULL;
 const Bitboard FileBBB = FileABB << 1;
 const Bitboard FileCBB = FileABB << 2;
 const Bitboard FileDBB = FileABB << 3;