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Fix compile on 64 bits

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Reported by Quocvuong82.

No functional change.
This commit is contained in:
Marco Costalba 2012-09-20 19:25:27 +02:00
parent e4a0482e43
commit 09acdac56b
1 changed files with 10 additions and 10 deletions
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12
src/bitboard.cpp
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@ -72,12 +72,6 @@ namespace {
void init_magics(Bitboard table[], Bitboard* attacks[], Bitboard magics[],
Bitboard masks[], unsigned shifts[], Square deltas[], Fn index);
}
/// lsb()/msb() finds the least/most significant bit in a nonzero bitboard.
/// pop_lsb() finds and clears the least significant bit in a nonzero bitboard.
#if !defined(USE_BSFQ)
FORCE_INLINE unsigned bsf_index(Bitboard b) {
@ -88,6 +82,12 @@ FORCE_INLINE unsigned bsf_index(Bitboard b) {
b ^= (b - 1);
return ((unsigned(b) ^ unsigned(b >> 32)) * DeBruijn_32) >> 26;
}
}
/// lsb()/msb() finds the least/most significant bit in a nonzero bitboard.
/// pop_lsb() finds and clears the least significant bit in a nonzero bitboard.
#if !defined(USE_BSFQ)
Square lsb(Bitboard b) { return BSFTable[bsf_index(b)]; }