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Add bit counter.

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This commit is contained in:
Bartosz Taudul 2017-10-08 21:02:09 +02:00
parent 2011524a2d
commit 45cb4b144f
1 changed files with 13 additions and 0 deletions
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13
server/TracyView.cpp
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@ -24,6 +24,19 @@
# include "../nfd/nfd.h"
#endif
#ifdef _MSC_VER
# include <intrin.h>
# define CountBits __popcnt64
#else
static int CountBits( uint64_t i )
{
i = i - ( (i >> 1) & 0x5555555555555555 );
i = ( i & 0x3333333333333333 ) + ( (i >> 2) & 0x3333333333333333 );
i = ( (i + (i >> 4) ) & 0x0F0F0F0F0F0F0F0F );
return ( i * (0x0101010101010101) ) >> 56;
}
#endif
namespace tracy
{