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Performance improvements

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This commit is contained in:
Ole Morud
2026-01-07 15:15:18 +01:00
parent 716527fa8f
commit 5a5a392c8b
12 changed files with 385 additions and 219 deletions
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19
engine-attack-sets.h
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@@ -15,6 +15,16 @@ static Bb64 cardinals_from_index(Sq8 p)
return (FILE_MASK(sq_to_file(p)) | RANK_MASK(sq_to_rank(p)));
}
static Bb64 cardinals(Bb64 p)
{
Bb64 b = 0ULL;
while (p) {
Sq8 const lsb = bitboard_pop_lsb(&p);
b |= cardinals_from_index(lsb);
}
return b;
}
static Bb64 diagonals_from_index(Sq8 sq)
{
#ifdef CODEGEN
@@ -66,6 +76,15 @@ static Bb64 diagonals_from_index(Sq8 sq)
#endif
}
static Bb64 diagonals(Bb64 p)
{
Bb64 b = 0ULL;
while (p) {
Sq8 const lsb = bitboard_pop_lsb(&p);
b |= diagonals_from_index(lsb);
}
return b;
}
/* PIECE ATTACKS