X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.cpp;h=e61220800a8db5708e4b0c3909f5865fdbfcc859;hp=5b462c66879e42a06d42018dffda75ba2bc17231;hb=5cf9e0b254262094efb2bdb9f81d213c515b102e;hpb=1d1b7df7c6b3496d1a3fe926cadf25d91e1558f6 diff --git a/src/movegen.cpp b/src/movegen.cpp index 5b462c66..e6122080 100644 --- a/src/movegen.cpp +++ b/src/movegen.cpp @@ -22,13 +22,6 @@ #include "movegen.h" #include "position.h" -/// Simple macro to wrap a very common while loop, no fancy, no flexibility, -/// hardcoded names 'mlist' and 'from'. -#define SERIALIZE(b) while (b) (mlist++)->move = make_move(from, pop_lsb(&b)) - -/// Version used for pawns, where the 'from' square is given as a delta from the 'to' square -#define SERIALIZE_PAWNS(b, d) while (b) { Square to = pop_lsb(&b); \ - (mlist++)->move = make_move(to - (d), to); } namespace { template @@ -159,8 +152,17 @@ namespace { } } - SERIALIZE_PAWNS(b1, Up); - SERIALIZE_PAWNS(b2, Up + Up); + while (b1) + { + Square to = pop_lsb(&b1); + (mlist++)->move = make_move(to - Up, to); + } + + while (b2) + { + Square to = pop_lsb(&b2); + (mlist++)->move = make_move(to - Up - Up, to); + } } // Promotions and underpromotions @@ -183,8 +185,17 @@ namespace { b1 = shift_bb(pawnsNotOn7) & enemies; b2 = shift_bb(pawnsNotOn7) & enemies; - SERIALIZE_PAWNS(b1, Right); - SERIALIZE_PAWNS(b2, Left); + while (b1) + { + Square to = pop_lsb(&b1); + (mlist++)->move = make_move(to - Right, to); + } + + while (b2) + { + Square to = pop_lsb(&b2); + (mlist++)->move = make_move(to - Left, to); + } if (pos.ep_square() != SQ_NONE) { @@ -234,7 +245,8 @@ namespace { if (Checks) b &= ci->checkSq[Pt]; - SERIALIZE(b); + while (b) + (mlist++)->move = make_move(from, pop_lsb(&b)); } return mlist; @@ -255,9 +267,10 @@ namespace { if (Type != QUIET_CHECKS && Type != EVASIONS) { - Square from = pos.king_square(Us); - Bitboard b = pos.attacks_from(from) & target; - SERIALIZE(b); + Square ksq = pos.king_square(Us); + Bitboard b = pos.attacks_from(ksq) & target; + while (b) + (mlist++)->move = make_move(ksq, pop_lsb(&b)); } if (Type != CAPTURES && Type != EVASIONS && pos.can_castle(Us)) @@ -336,7 +349,8 @@ ExtMove* generate(const Position& pos, ExtMove* mlist) { if (pt == KING) b &= ~PseudoAttacks[QUEEN][ci.ksq]; - SERIALIZE(b); + while (b) + (mlist++)->move = make_move(from, pop_lsb(&b)); } return us == WHITE ? generate_all(pos, mlist, ~pos.pieces(), &ci) @@ -353,7 +367,7 @@ ExtMove* generate(const Position& pos, ExtMove* mlist) { int checkersCnt = 0; Color us = pos.side_to_move(); - Square ksq = pos.king_square(us), from = ksq /* For SERIALIZE */, checksq; + Square ksq = pos.king_square(us), checksq; Bitboard sliderAttacks = 0; Bitboard b = pos.checkers(); @@ -376,7 +390,8 @@ ExtMove* generate(const Position& pos, ExtMove* mlist) { // Generate evasions for king, capture and non capture moves b = pos.attacks_from(ksq) & ~pos.pieces(us) & ~sliderAttacks; - SERIALIZE(b); + while (b) + (mlist++)->move = make_move(ksq, pop_lsb(&b)); if (checkersCnt > 1) return mlist; // Double check, only a king move can save the day