///
/// -DUSE_POPCNT | Add runtime support for use of popcnt asm-instruction. Works
/// | only in 64-bit mode and requires hardware with popcnt support.
+///
+/// -DUSE_PEXT | Add runtime support for use of pext asm-instruction. Works
+/// | only in 64-bit mode and requires hardware with pext support.
#include <cassert>
#include <cctype>
#if defined(USE_PEXT)
# include <immintrin.h> // Header for _pext_u64() intrinsic
+# define pext(b, m) _pext_u64(b, m)
#else
-# define _pext_u64(b, m) (0)
+# define pext(b, m) (0)
#endif
#ifdef _MSC_VER
VALUE_INFINITE = 32001,
VALUE_NONE = 32002,
- VALUE_MATE_IN_MAX_PLY = VALUE_MATE - MAX_PLY,
- VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + MAX_PLY,
+ VALUE_MATE_IN_MAX_PLY = VALUE_MATE - 2 * MAX_PLY,
+ VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + 2 * MAX_PLY,
PawnValueMg = 198, PawnValueEg = 258,
KnightValueMg = 817, KnightValueEg = 846,
}
inline PieceType promotion_type(Move m) {
- return PieceType(((m >> 12) & 3) + 2);
+ return PieceType(((m >> 12) & 3) + KNIGHT);
}
inline Move make_move(Square from, Square to) {