ComputeHash32() [2/2]

static int System.Marvin.ComputeHash32 ( ref byte data, uint count, uint p0, uint p1 )

inlinestatic

Definition at line 22 of file Marvin.cs.

    {
        uint num;
        if (count < 8)
        {
            if (count < 4)
            {
                _ = BitConverter.IsLittleEndian;
                num = 128u;
                if ((count & (true ? 1u : 0u)) != 0)
                {
                    num = Unsafe.AddByteOffset(ref data, (nuint)count & (nuint)2u);
                    _ = BitConverter.IsLittleEndian;
                    num |= 0x8000u;
                }
                if ((count & 2u) != 0)
                {
                    _ = BitConverter.IsLittleEndian;
                    num <<= 16;
                    num |= Unsafe.ReadUnaligned<ushort>(ref data);
                }
                goto IL_00a6;
            }
        }
        else
        {
            uint num2 = count / 8;
            do
            {
                p0 += Unsafe.ReadUnaligned<uint>(ref data);
                uint num3 = Unsafe.ReadUnaligned<uint>(ref Unsafe.AddByteOffset(ref data, 4u));
                Block(ref p0, ref p1);
                p0 += num3;
                Block(ref p0, ref p1);
                data = ref Unsafe.AddByteOffset(ref data, 8u);
            }
            while (--num2 != 0);
            if ((count & 4) == 0)
            {
                goto IL_006a;
            }
        }
        p0 += Unsafe.ReadUnaligned<uint>(ref data);
        Block(ref p0, ref p1);
        goto IL_006a;
        IL_00a6:
        p0 += num;
        Block(ref p0, ref p1);
        Block(ref p0, ref p1);
        return (int)(p1 ^ p0);
        IL_006a:
        num = Unsafe.ReadUnaligned<uint>(ref Unsafe.Add(ref Unsafe.AddByteOffset(ref data, (nuint)count & (nuint)7u), -4));
        count = ~count << 3;
        _ = BitConverter.IsLittleEndian;
        num >>= 8;
        num |= 0x80000000u;
        num >>= (int)(count & 0x1F);
        goto IL_00a6;
    }

References System.Marvin.Block(), System.count, and System.BitConverter.IsLittleEndian.