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Update ColumnsCommon.cpp

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alexey-milovidov 2020-11-26 07:29:06 +03:00 committed by Amos Bird
parent 9348526078
commit ae802574b2
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1 changed files with 3 additions and 2 deletions
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src/Columns/ColumnsCommon.cpp
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@ -13,7 +13,8 @@ namespace DB
{
#if defined(__SSE2__) && defined(__POPCNT__)
auto toBits64(const Int8 * bytes64)
/// Transform 64-byte mask to 64-bit mask.
static UInt64 toBits64(const Int8 * bytes64)
{
static const __m128i zero16 = _mm_setzero_si128();
return static_cast<UInt64>(_mm_movemask_epi8(_mm_cmpgt_epi8(_mm_loadu_si128(reinterpret_cast<const __m128i *>(bytes64)), zero16)))
@ -23,7 +24,7 @@ auto toBits64(const Int8 * bytes64)
<< 32)
| (static_cast<UInt64>(_mm_movemask_epi8(_mm_cmpgt_epi8(_mm_loadu_si128(reinterpret_cast<const __m128i *>(bytes64 + 48)), zero16)))
<< 48);
};
}
#endif
size_t countBytesInFilter(const UInt8 * filt, size_t sz)