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Introduce bitcount.h

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It will be used for POPCNT intrinsics.

For now no bianry and functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2009-05-21 15:29:28 +02:00
parent 1b0888708d
commit 3376c68f4b
8 changed files with 192 additions and 90 deletions
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5
src/position.cpp
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@@ -27,6 +27,7 @@
#include <fstream>
#include <iostream>
#include "bitcount.h"
#include "mersenne.h"
#include "movegen.h"
#include "movepick.h"
@@ -2090,7 +2091,7 @@ bool Position::is_ok(int* failedStep) const {
// Is there more than 2 checkers?
if (failedStep) (*failedStep)++;
if (debugCheckerCount && count_1s(st->checkersBB) > 2)
if (debugCheckerCount && count_1s<false>(st->checkersBB) > 2)
return false;
// Bitboards OK?
@@ -2165,7 +2166,7 @@ bool Position::is_ok(int* failedStep) const {
if (debugPieceCounts)
for (Color c = WHITE; c <= BLACK; c++)
for (PieceType pt = PAWN; pt <= KING; pt++)
if (pieceCount[c][pt] != count_1s(pieces_of_color_and_type(c, pt)))
if (pieceCount[c][pt] != count_1s<false>(pieces_of_color_and_type(c, pt)))
return false;
if (failedStep) (*failedStep)++;