X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;h=f1cfa140bcc7babd272e9febc89a85635140e366;hp=2317626e3d39cfe6604ce2fc41f7465a7ccbe8e1;hb=323a006666ed4843299e24351f29282947dea7f0;hpb=3d8c0f16c237b1fddaec75c5db70545da47e8bcc diff --git a/src/types.h b/src/types.h index 2317626e..f1cfa140 100644 --- a/src/types.h +++ b/src/types.h @@ -54,6 +54,12 @@ # include // Intel header for _mm_popcnt_u64() intrinsic #endif +#if defined(USE_PEXT) +# include // Header for _pext_u64() intrinsic +#else +# define _pext_u64(b, m) (0) +#endif + # if !defined(NO_PREFETCH) && (defined(__INTEL_COMPILER) || defined(_MSC_VER)) # include // Intel and Microsoft header for _mm_prefetch() # endif @@ -79,6 +85,12 @@ const bool HasPopCnt = true; const bool HasPopCnt = false; #endif +#ifdef USE_PEXT +const bool HasPext = true; +#else +const bool HasPext = false; +#endif + #ifdef IS_64BIT const bool Is64Bit = true; #else @@ -116,20 +128,28 @@ enum MoveType { CASTLING = 3 << 14 }; -enum CastlingFlag { // Defined as in PolyGlot book hash key +enum Color { + WHITE, BLACK, NO_COLOR, COLOR_NB = 2 +}; + +enum CastlingSide { + KING_SIDE, QUEEN_SIDE, CASTLING_SIDE_NB = 2 +}; + +enum CastlingRight { NO_CASTLING, WHITE_OO, WHITE_OOO = WHITE_OO << 1, BLACK_OO = WHITE_OO << 2, BLACK_OOO = WHITE_OO << 3, ANY_CASTLING = WHITE_OO | WHITE_OOO | BLACK_OO | BLACK_OOO, - CASTLING_FLAG_NB = 16 + CASTLING_RIGHT_NB = 16 }; -enum CastlingSide { - KING_SIDE, - QUEEN_SIDE, - CASTLING_SIDE_NB = 2 +template struct MakeCastling { + static const CastlingRight + right = C == WHITE ? S == QUEEN_SIDE ? WHITE_OOO : WHITE_OO + : S == QUEEN_SIDE ? BLACK_OOO : BLACK_OO; }; enum Phase { @@ -157,9 +177,9 @@ enum Value { VALUE_ZERO = 0, VALUE_DRAW = 0, VALUE_KNOWN_WIN = 10000, - VALUE_MATE = 30000, - VALUE_INFINITE = 30001, - VALUE_NONE = 30002, + VALUE_MATE = 32000, + VALUE_INFINITE = 32001, + VALUE_NONE = 32002, VALUE_MATE_IN_MAX_PLY = VALUE_MATE - MAX_PLY, VALUE_MATED_IN_MAX_PLY = -VALUE_MATE + MAX_PLY, @@ -171,7 +191,9 @@ enum Value { KnightValueMg = 817, KnightValueEg = 846, BishopValueMg = 836, BishopValueEg = 857, RookValueMg = 1270, RookValueEg = 1278, - QueenValueMg = 2521, QueenValueEg = 2558 + QueenValueMg = 2521, QueenValueEg = 2558, + + MidgameLimit = 15581, EndgameLimit = 3998 }; enum PieceType { @@ -187,10 +209,6 @@ enum Piece { PIECE_NB = 16 }; -enum Color { - WHITE, BLACK, NO_COLOR, COLOR_NB = 2 -}; - enum Depth { ONE_PLY = 2, @@ -249,29 +267,31 @@ enum Score { SCORE_ENSURE_INTEGER_SIZE_N = INT_MIN }; -inline Score make_score(int mg, int eg) { return Score((mg << 16) + eg); } - -/// Extracting the signed lower and upper 16 bits is not so trivial because -/// according to the standard a simple cast to short is implementation defined -/// and so is a right shift of a signed integer. -inline Value mg_value(Score s) { return Value(((s + 0x8000) & ~0xffff) / 0x10000); } - -/// On Intel 64 bit we have a small speed regression with the standard conforming -/// version. Therefore, in this case we use faster code that, although not 100% -/// standard compliant, seems to work for Intel and MSVC. -#if defined(IS_64BIT) && (!defined(__GNUC__) || defined(__INTEL_COMPILER)) +typedef union { + uint32_t full; + struct { int16_t eg, mg; } half; +} ScoreView; -inline Value eg_value(Score s) { return Value(int16_t(s & 0xFFFF)); } +inline Score make_score(int mg, int eg) { + ScoreView v; + v.half.mg = (int16_t)(mg - (uint16_t(eg) >> 15)); + v.half.eg = (int16_t)eg; + return Score(v.full); +} -#else +inline Value mg_value(Score s) { + ScoreView v; + v.full = s; + return Value(v.half.mg + (uint16_t(v.half.eg) >> 15)); +} inline Value eg_value(Score s) { - return Value((int)(unsigned(s) & 0x7FFFU) - (int)(unsigned(s) & 0x8000U)); + ScoreView v; + v.full = s; + return Value(v.half.eg); } -#endif - -#define ENABLE_SAFE_OPERATORS_ON(T) \ +#define ENABLE_BASE_OPERATORS_ON(T) \ inline T operator+(const T d1, const T d2) { return T(int(d1) + int(d2)); } \ inline T operator-(const T d1, const T d2) { return T(int(d1) - int(d2)); } \ inline T operator*(int i, const T d) { return T(i * int(d)); } \ @@ -281,26 +301,32 @@ inline T& operator+=(T& d1, const T d2) { return d1 = d1 + d2; } \ inline T& operator-=(T& d1, const T d2) { return d1 = d1 - d2; } \ inline T& operator*=(T& d, int i) { return d = T(int(d) * i); } -#define ENABLE_OPERATORS_ON(T) ENABLE_SAFE_OPERATORS_ON(T) \ +ENABLE_BASE_OPERATORS_ON(Score) + +#define ENABLE_FULL_OPERATORS_ON(T) \ +ENABLE_BASE_OPERATORS_ON(T) \ inline T& operator++(T& d) { return d = T(int(d) + 1); } \ inline T& operator--(T& d) { return d = T(int(d) - 1); } \ inline T operator/(const T d, int i) { return T(int(d) / i); } \ inline T& operator/=(T& d, int i) { return d = T(int(d) / i); } -ENABLE_OPERATORS_ON(Value) -ENABLE_OPERATORS_ON(PieceType) -ENABLE_OPERATORS_ON(Piece) -ENABLE_OPERATORS_ON(Color) -ENABLE_OPERATORS_ON(Depth) -ENABLE_OPERATORS_ON(Square) -ENABLE_OPERATORS_ON(File) -ENABLE_OPERATORS_ON(Rank) +ENABLE_FULL_OPERATORS_ON(Value) +ENABLE_FULL_OPERATORS_ON(PieceType) +ENABLE_FULL_OPERATORS_ON(Piece) +ENABLE_FULL_OPERATORS_ON(Color) +ENABLE_FULL_OPERATORS_ON(Depth) +ENABLE_FULL_OPERATORS_ON(Square) +ENABLE_FULL_OPERATORS_ON(File) +ENABLE_FULL_OPERATORS_ON(Rank) + +#undef ENABLE_FULL_OPERATORS_ON +#undef ENABLE_BASE_OPERATORS_ON /// Additional operators to add integers to a Value inline Value operator+(Value v, int i) { return Value(int(v) + i); } inline Value operator-(Value v, int i) { return Value(int(v) - i); } - -ENABLE_SAFE_OPERATORS_ON(Score) +inline Value& operator+=(Value& v, int i) { return v = v + i; } +inline Value& operator-=(Value& v, int i) { return v = v - i; } /// Only declared but not defined. We don't want to multiply two scores due to /// a very high risk of overflow. So user should explicitly convert to integer. @@ -311,18 +337,17 @@ inline Score operator/(Score s, int i) { return make_score(mg_value(s) / i, eg_value(s) / i); } -#undef ENABLE_OPERATORS_ON -#undef ENABLE_SAFE_OPERATORS_ON +CACHE_LINE_ALIGNMENT extern Value PieceValue[PHASE_NB][PIECE_NB]; struct ExtMove { Move move; - int score; + Value value; }; inline bool operator<(const ExtMove& f, const ExtMove& s) { - return f.score < s.score; + return f.value < s.value; } inline Color operator~(Color c) { @@ -333,8 +358,8 @@ inline Square operator~(Square s) { return Square(s ^ SQ_A8); // Vertical flip SQ_A1 -> SQ_A8 } -inline Square operator|(File f, Rank r) { - return Square((r << 3) | f); +inline CastlingRight operator|(Color c, CastlingSide s) { + return CastlingRight(WHITE_OO << ((s == QUEEN_SIDE) + 2 * c)); } inline Value mate_in(int ply) { @@ -345,21 +370,21 @@ inline Value mated_in(int ply) { return -VALUE_MATE + ply; } -inline Piece make_piece(Color c, PieceType pt) { - return Piece((c << 3) | pt); +inline Square make_square(File f, Rank r) { + return Square((r << 3) | f); } -inline CastlingFlag make_castling_flag(Color c, CastlingSide s) { - return CastlingFlag(WHITE_OO << ((s == QUEEN_SIDE) + 2 * c)); +inline Piece make_piece(Color c, PieceType pt) { + return Piece((c << 3) | pt); } -inline PieceType type_of(Piece p) { - return PieceType(p & 7); +inline PieceType type_of(Piece pc) { + return PieceType(pc & 7); } -inline Color color_of(Piece p) { - assert(p != NO_PIECE); - return Color(p >> 3); +inline Color color_of(Piece pc) { + assert(pc != NO_PIECE); + return Color(pc >> 3); } inline bool is_ok(Square s) {