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Unify some template specializations

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No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-01-14 23:01:09 +01:00
parent 2aec8fb956
commit 20621ed3e3
2 changed files with 22 additions and 45 deletions
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39
src/movegen.cpp
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@@ -141,12 +141,13 @@ namespace {
else
(void)ksq; // Silence a warning under MSVC
}
return mlist;
}
template<Color Us, MoveType Type>
MoveStack* generate_pawn_moves(const Position& pos, MoveStack* mlist, Bitboard target, Square ksq) {
MoveStack* generate_pawn_moves(const Position& pos, MoveStack* mlist, Bitboard target, Square ksq = SQ_NONE) {
// Calculate our parametrized parameters at compile time, named according to
// the point of view of white side.
@@ -251,14 +252,13 @@ namespace {
Color us, const CheckInfo& ci) {
assert(Pt != KING && Pt != PAWN);
Bitboard checkSqs, b;
Square from;
const Square* pl = pos.piece_list(us, Pt);
if ((from = *pl++) == SQ_NONE)
return mlist;
checkSqs = ci.checkSq[Pt] & pos.empty_squares();
Bitboard checkSqs = ci.checkSq[Pt] & pos.empty_squares();
do
{
@@ -269,7 +269,7 @@ namespace {
if (ci.dcCandidates && bit_is_set(ci.dcCandidates, from))
continue;
b = pos.attacks_from<Pt>(from) & checkSqs;
Bitboard b = pos.attacks_from<Pt>(from) & checkSqs;
SERIALIZE(b);
} while ((from = *pl++) != SQ_NONE);
@@ -278,24 +278,6 @@ namespace {
}
template<>
FORCE_INLINE MoveStack* generate_direct_checks<PAWN>(const Position& p, MoveStack* m,
Color us, const CheckInfo& ci) {
return us == WHITE ? generate_pawn_moves<WHITE, MV_NON_CAPTURE_CHECK>(p, m, ci.dcCandidates, ci.ksq)
: generate_pawn_moves<BLACK, MV_NON_CAPTURE_CHECK>(p, m, ci.dcCandidates, ci.ksq);
}
template<PieceType Pt, MoveType Type>
FORCE_INLINE MoveStack* generate_piece_moves(const Position& p, MoveStack* m, Color us, Bitboard t) {
assert(Pt == PAWN);
return us == WHITE ? generate_pawn_moves<WHITE, Type>(p, m, t, SQ_NONE)
: generate_pawn_moves<BLACK, Type>(p, m, t, SQ_NONE);
}
template<PieceType Pt>
FORCE_INLINE MoveStack* generate_piece_moves(const Position& pos, MoveStack* mlist, Color us, Bitboard target) {
@@ -311,6 +293,7 @@ namespace {
SERIALIZE(b);
} while (*++pl != SQ_NONE);
}
return mlist;
}
@@ -354,7 +337,9 @@ MoveStack* generate(const Position& pos, MoveStack* mlist) {
else if (Type == MV_NON_EVASION)
target = pos.pieces(~us) | pos.empty_squares();
mlist = generate_piece_moves<PAWN, Type>(pos, mlist, us, target);
mlist = (us == WHITE ? generate_pawn_moves<WHITE, Type>(pos, mlist, target)
: generate_pawn_moves<BLACK, Type>(pos, mlist, target));
mlist = generate_piece_moves<KNIGHT>(pos, mlist, us, target);
mlist = generate_piece_moves<BISHOP>(pos, mlist, us, target);
mlist = generate_piece_moves<ROOK>(pos, mlist, us, target);
@@ -403,7 +388,9 @@ MoveStack* generate<MV_NON_CAPTURE_CHECK>(const Position& pos, MoveStack* mlist)
SERIALIZE(b);
}
mlist = generate_direct_checks<PAWN>(pos, mlist, us, ci);
mlist = (us == WHITE ? generate_pawn_moves<WHITE, MV_NON_CAPTURE_CHECK>(pos, mlist, ci.dcCandidates, ci.ksq)
: generate_pawn_moves<BLACK, MV_NON_CAPTURE_CHECK>(pos, mlist, ci.dcCandidates, ci.ksq));
mlist = generate_direct_checks<KNIGHT>(pos, mlist, us, ci);
mlist = generate_direct_checks<BISHOP>(pos, mlist, us, ci);
mlist = generate_direct_checks<ROOK>(pos, mlist, us, ci);
@@ -480,7 +467,9 @@ MoveStack* generate<MV_EVASION>(const Position& pos, MoveStack* mlist) {
// Blocking evasions or captures of the checking piece
target = squares_between(checksq, ksq) | checkers;
mlist = generate_piece_moves<PAWN, MV_EVASION>(pos, mlist, us, target);
mlist = (us == WHITE ? generate_pawn_moves<WHITE, MV_EVASION>(pos, mlist, target)
: generate_pawn_moves<BLACK, MV_EVASION>(pos, mlist, target));
mlist = generate_piece_moves<KNIGHT>(pos, mlist, us, target);
mlist = generate_piece_moves<BISHOP>(pos, mlist, us, target);
mlist = generate_piece_moves<ROOK>(pos, mlist, us, target);