X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fbitboard.h;h=c0af52269afe5997bb7f73c526c77f3e4322d55e;hp=0064fb26d83bf42decc3db7d9eb3102b47e4ce8a;hb=989833205fb63de094c1f28e1c5f803bc8a917e4;hpb=5d79af9e0d466572217dc47f5c307f6fd382a646

diff --git a/src/bitboard.h b/src/bitboard.h
index 0064fb26..c0af5226 100644
--- a/src/bitboard.h
+++ b/src/bitboard.h
@@ -40,7 +40,6 @@ const Bitboard EmptyBoardBB = 0ULL;
 
 const Bitboard WhiteSquaresBB = 0x55AA55AA55AA55AAULL;
 const Bitboard BlackSquaresBB = 0xAA55AA55AA55AA55ULL;
-const Bitboard SquaresByColorBB[2] = { BlackSquaresBB, WhiteSquaresBB };
 
 const Bitboard FileABB = 0x0101010101010101ULL;
 const Bitboard FileBBB = 0x0202020202020202ULL;
@@ -51,22 +50,6 @@ const Bitboard FileFBB = 0x2020202020202020ULL;
 const Bitboard FileGBB = 0x4040404040404040ULL;
 const Bitboard FileHBB = 0x8080808080808080ULL;
 
-const Bitboard FileBB[8] = {
-  FileABB, FileBBB, FileCBB, FileDBB, FileEBB, FileFBB, FileGBB, FileHBB
-};
-
-const Bitboard NeighboringFilesBB[8] = {
-  FileBBB, FileABB|FileCBB, FileBBB|FileDBB, FileCBB|FileEBB,
-  FileDBB|FileFBB, FileEBB|FileGBB, FileFBB|FileHBB, FileGBB
-};
-
-const Bitboard ThisAndNeighboringFilesBB[8] = {
-  FileABB|FileBBB, FileABB|FileBBB|FileCBB,
-  FileBBB|FileCBB|FileDBB, FileCBB|FileDBB|FileEBB,
-  FileDBB|FileEBB|FileFBB, FileEBB|FileFBB|FileGBB,
-  FileFBB|FileGBB|FileHBB, FileGBB|FileHBB
-};
-
 const Bitboard Rank1BB = 0xFFULL;
 const Bitboard Rank2BB = 0xFF00ULL;
 const Bitboard Rank3BB = 0xFF0000ULL;
@@ -76,35 +59,13 @@ const Bitboard Rank6BB = 0xFF0000000000ULL;
 const Bitboard Rank7BB = 0xFF000000000000ULL;
 const Bitboard Rank8BB = 0xFF00000000000000ULL;
 
-const Bitboard RankBB[8] = {
-  Rank1BB, Rank2BB, Rank3BB, Rank4BB, Rank5BB, Rank6BB, Rank7BB, Rank8BB
-};
-
-const Bitboard RelativeRankBB[2][8] = {
-  { Rank1BB, Rank2BB, Rank3BB, Rank4BB, Rank5BB, Rank6BB, Rank7BB, Rank8BB },
-  { Rank8BB, Rank7BB, Rank6BB, Rank5BB, Rank4BB, Rank3BB, Rank2BB, Rank1BB }
-};
-
-const Bitboard InFrontBB[2][8] = {
-  { Rank2BB | Rank3BB | Rank4BB | Rank5BB | Rank6BB | Rank7BB | Rank8BB,
-    Rank3BB | Rank4BB | Rank5BB | Rank6BB | Rank7BB | Rank8BB,
-    Rank4BB | Rank5BB | Rank6BB | Rank7BB | Rank8BB,
-    Rank5BB | Rank6BB | Rank7BB | Rank8BB,
-    Rank6BB | Rank7BB | Rank8BB,
-    Rank7BB | Rank8BB,
-    Rank8BB,
-    EmptyBoardBB
-  },
-  { EmptyBoardBB,
-    Rank1BB,
-    Rank2BB | Rank1BB,
-    Rank3BB | Rank2BB | Rank1BB,
-    Rank4BB | Rank3BB | Rank2BB | Rank1BB,
-    Rank5BB | Rank4BB | Rank3BB | Rank2BB | Rank1BB,
-    Rank6BB | Rank5BB | Rank4BB | Rank3BB | Rank2BB | Rank1BB,
-    Rank7BB | Rank6BB | Rank5BB | Rank4BB | Rank3BB | Rank2BB | Rank1BB
-  }
-};
+extern const Bitboard SquaresByColorBB[2];
+extern const Bitboard FileBB[8];
+extern const Bitboard NeighboringFilesBB[8];
+extern const Bitboard ThisAndNeighboringFilesBB[8];
+extern const Bitboard RankBB[8];
+extern const Bitboard RelativeRankBB[2][8];
+extern const Bitboard InFrontBB[2][8];
 
 extern Bitboard SetMaskBB[65];
 extern Bitboard ClearMaskBB[65];
@@ -132,6 +93,8 @@ extern Bitboard BishopPseudoAttacks[64];
 extern Bitboard RookPseudoAttacks[64];
 extern Bitboard QueenPseudoAttacks[64];
 
+extern uint8_t BitCount8Bit[256];
+
 
 ////
 //// Inline functions
@@ -360,13 +323,13 @@ inline Bitboard isolated_pawn_mask(Square s) {
 
 #if defined(USE_BSFQ) // Assembly code by Heinz van Saanen
 
-inline Square __attribute__((always_inline)) first_1(Bitboard b) {
+inline Square first_1(Bitboard b) {
   Bitboard dummy;
   __asm__("bsfq %1, %0": "=r"(dummy): "rm"(b) );
   return (Square)(dummy);
 }
 
-inline Square __attribute__((always_inline)) pop_1st_bit(Bitboard* b) {
+inline Square pop_1st_bit(Bitboard* b) {
   const Square s = first_1(*b);
   *b &= ~(1ULL<<s);
   return s;