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Revert hidden checkers rework

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It is slower the previous uglier but faster code.

So completely restore old one for now :-(

Just leave in the rework of status backup/restore in do_move().

We will cherry pick bits of previous work once we are sure
we have fixed the performance regression.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-03-02 16:20:00 +01:00
parent 9b6b9e67fe
commit c02613860a
7 changed files with 111 additions and 201 deletions
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6
src/movegen.h
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@@ -34,10 +34,10 @@
extern int generate_captures(const Position &pos, MoveStack *mlist);
extern int generate_noncaptures(const Position &pos, MoveStack *mlist);
extern int generate_checks(const Position &pos, MoveStack *mlist);
extern int generate_evasions(const Position &pos, MoveStack *mlist);
extern int generate_checks(const Position &pos, MoveStack *mlist, Bitboard dc);
extern int generate_evasions(const Position &pos, MoveStack *mlist, Bitboard pinned);
extern int generate_legal_moves(const Position &pos, MoveStack *mlist);
extern bool move_is_legal(const Position &pos, const Move m);
extern bool move_is_legal(const Position &pos, const Move m, Bitboard pinned);
#endif // !defined(MOVEGEN_H_INCLUDED)