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Merge pull request #35005 from vdimir/fixarm64/00092_obfuscator

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Vladimir C 2022-03-03 12:17:30 +01:00 committed by GitHub
commit 38cf9ca7c2
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1 changed files with 9 additions and 3 deletions
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12
base/base/StringRef.h
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@ -19,6 +19,12 @@
#if defined(__SSE4_2__)
#include <smmintrin.h>
#include <nmmintrin.h>
#define CRC_INT _mm_crc32_u64
#endif
#if defined(__aarch64__) && defined(__ARM_FEATURE_CRC32)
#include <arm_acle.h>
#define CRC_INT __crc32cd
#endif
@ -205,7 +211,7 @@ struct StringRefHash64
}
};
#if defined(__SSE4_2__)
#if defined(CRC_INT)
/// Parts are taken from CityHash.
@ -281,13 +287,13 @@ struct CRC32Hash
do
{
UInt64 word = unalignedLoad<UInt64>(pos);
res = _mm_crc32_u64(res, word);
res = CRC_INT(res, word);
pos += 8;
} while (pos + 8 < end);
UInt64 word = unalignedLoad<UInt64>(end - 8); /// I'm not sure if this is normal.
res = _mm_crc32_u64(res, word);
res = CRC_INT(res, word);
return res;
}