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Imported Upstream version 5.2.0.175

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Former-commit-id: bb0468d0f257ff100aa895eb5fe583fb5dfbf900
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2017-06-07 13:16:24 +00:00
parent 4bdbaf4a88
commit 966bba02bb
8776 changed files with 346420 additions and 149650 deletions
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30
external/cecil/Mono.Cecil.PE/ByteBufferEqualityComparer.cs vendored
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@@ -32,29 +32,17 @@ namespace Mono.Cecil.PE {
public int GetHashCode (ByteBuffer buffer)
{
#if !BYTE_BUFFER_WELL_DISTRIBUTED_HASH
var hash = 0;
// See http://en.wikipedia.org/wiki/Fowler%E2%80%93Noll%E2%80%93Vo_hash_function
const int fnv_offset_bias = unchecked((int)2166136261);
const int fnv_prime = 16777619;
var hash_code = fnv_offset_bias;
var bytes = buffer.buffer;
for (int i = 0; i < buffer.length; i++)
hash = (hash * 37) ^ bytes [i];
hash_code = unchecked ((hash_code ^ bytes [i]) * fnv_prime);
return hash;
#else
const uint p = 16777619;
uint hash = 2166136261;
var bytes = buffer.buffer;
for (int i = 0; i < buffer.length; i++)
hash = (hash ^ bytes [i]) * p;
hash += hash << 13;
hash ^= hash >> 7;
hash += hash << 3;
hash ^= hash >> 17;
hash += hash << 5;
return (int) hash;
#endif
}
return hash_code;
}
}
}