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In Position backup and restore contiguous data

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Give the compiler one more chance to optimize the copy.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-02-20 10:20:08 +01:00
parent 9e1d142fdd
commit 95cfc0e306
2 changed files with 40 additions and 40 deletions
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34
src/position.h
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@@ -74,17 +74,16 @@ enum CastleRights {
/// The UndoInfo struct stores information we need to restore a Position
/// object to its previous state when we retract a move. Whenever a move
/// object to its previous state when we retract a move. Whenever a move
/// is made on the board (by calling Position::do_move), an UndoInfo object
/// must be passed as a parameter. When the move is unmade (by calling
/// must be passed as a parameter. When the move is unmade (by calling
/// Position::undo_move), the same UndoInfo object must be passed again.
struct UndoInfo {
int castleRights;
Square epSquare;
Bitboard checkersBB, pinners[2], pinned[2], dcCandidates[2];
Bitboard pinners[2], pinned[2], dcCandidates[2], checkersBB;
Key key, pawnKey, materialKey;
int rule50;
int castleRights, rule50;
Square epSquare;
Move lastMove;
Value mgValue, egValue;
PieceType capture;
@@ -326,8 +325,6 @@ private:
// Bitboards
Bitboard byColorBB[2], byTypeBB[8];
Bitboard checkersBB;
mutable Bitboard pinners[2], pinned[2], dcCandidates[2];
// Board
Piece board[64];
@@ -340,16 +337,21 @@ private:
int index[64];
// Other info
Color sideToMove;
int castleRights;
File initialKFile, initialKRFile, initialQRFile;
Square epSquare;
Square kingSquare[2];
Move lastMove;
Key key, pawnKey, materialKey, history[MaxGameLength];
int rule50, gamePly;
Value mgValue, egValue;
Color sideToMove;
int gamePly;
Key history[MaxGameLength];
Value npMaterial[2];
File initialKFile, initialKRFile, initialQRFile;
// Info backed up in do_move()
mutable Bitboard pinners[2], pinned[2], dcCandidates[2];
Bitboard checkersBB;
Key key, pawnKey, materialKey;
int castleRights, rule50;
Square epSquare;
Move lastMove;
Value mgValue, egValue;
// Static variables
static int castleRightsMask[64];