crypto/src/runtime/intrinsics/Vector.cs


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#if NETCOREAPP3_0_OR_GREATER
using System;
using System.Runtime.CompilerServices;
using System.Runtime.Intrinsics;
#endif

namespace Org.BouncyCastle.Runtime.Intrinsics
{
    internal static class Vector
    {
#if NETCOREAPP3_0_OR_GREATER
        internal static bool IsPacked =>
            Unsafe.SizeOf<Vector64<byte>>() == 8 &&
            Unsafe.SizeOf<Vector128<byte>>() == 16 &&
            Unsafe.SizeOf<Vector256<byte>>() == 32;

        internal static bool IsPackedLittleEndian => IsPacked && BitConverter.IsLittleEndian;
#else
        internal static bool IsPacked => false;

        internal static bool IsPackedLittleEndian => false;
#endif
    }
}