/*
- Glaurung, a UCI chess playing engine.
- Copyright (C) 2004-2008 Tord Romstad
+ Stockfish, a UCI chess playing engine derived from Glaurung 2.1
+ Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
+ Copyright (C) 2008 Marco Costalba
- Glaurung is free software: you can redistribute it and/or modify
+ Stockfish is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
- Glaurung is distributed in the hope that it will be useful,
+ Stockfish is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
//// Defines
////
+// Comment following define if you prefer manually adjust
+// platform macros defined below
+#define AUTO_CONFIGURATION
+
+
+// Check for 64 bits for different compilers: Intel, MSVC and gcc
+#if defined(__x86_64) || defined(_WIN64) || (__SIZEOF_INT__ > 4)
+#define IS_64BIT
+#endif
+
+#if !defined(AUTO_CONFIGURATION) || defined(IS_64BIT)
+
//#define USE_COMPACT_ROOK_ATTACKS
//#define USE_32BIT_ATTACKS
#define USE_FOLDED_BITSCAN
//#define BITCOUNT_SWAR_32
//#define BITCOUNT_LOOP
+#else
+
+#define USE_32BIT_ATTACKS
+#define USE_FOLDED_BITSCAN
+#define BITCOUNT_SWAR_32
+#endif
////
//// Includes