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Merge pull request #1320 from FioraAeterna/hash64bitcrc

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Use CRC to output 64 bits instead of 32
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skidau 2014-10-20 14:50:21 +11:00
commit e8da34ef25
1 changed files with 2 additions and 1 deletions
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Source/Core/Common/Hash.cpp
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@ -254,7 +254,8 @@ u64 GetCRC32(const u8 *src, int len, u32 samples)
const u8 *data2 = (const u8*)end;
// FIXME: is there a better way to combine these partial hashes?
return _mm_crc32_u64(h[0] + h[1] + h[2] + h[3], u64(data2[0]));
h[0] = _mm_crc32_u64(h[0], u64(data2[0]));
return h[0] + (h[1] << 10) + (h[2] << 21) + (h[3] << 32);
#else
return 0;
#endif