115 lines
3.0 KiB
C#
115 lines
3.0 KiB
C#
// -----------------------------------------------------------------------------
|
|
// file="M64"
|
|
// Project: StgSharp
|
|
// Copyright (c) Nitload.
|
|
// SPDX-License-Identifier: MIT
|
|
// -----------------------------------------------------------------------------
|
|
|
|
using System.Numerics;
|
|
using System.Runtime.CompilerServices;
|
|
using System.Runtime.InteropServices;
|
|
using System.Runtime.Intrinsics;
|
|
|
|
namespace StgSharp.HighPerformance.ProcessorAbstraction
|
|
{
|
|
[StructLayout(LayoutKind.Explicit, Pack = 8)]
|
|
public unsafe struct M64 : IRegisterPresentation
|
|
{
|
|
|
|
[FieldOffset(0)] private fixed byte buffer[8];
|
|
[FieldOffset(0)] private ulong value;
|
|
[FieldOffset(0)] private Vector64<float> vec;
|
|
|
|
public M64()
|
|
{
|
|
Unsafe.SkipInit(out this);
|
|
Unsafe.SkipInit(out vec);
|
|
Unsafe.SkipInit(out value);
|
|
}
|
|
|
|
public ref T AsRef<T>() where T : unmanaged,INumber<T>
|
|
{
|
|
return ref Unsafe.As<byte, T>(ref buffer[0]);
|
|
}
|
|
|
|
public void BroadCastFrom<T>(
|
|
T value
|
|
) where T : unmanaged, INumber<T>
|
|
{
|
|
vec = Vector64.Create(value).AsSingle();
|
|
}
|
|
|
|
public override bool Equals(
|
|
object obj
|
|
)
|
|
{
|
|
return obj is M64 m64 && this == m64;
|
|
}
|
|
|
|
public override readonly int GetHashCode()
|
|
{
|
|
return value.GetHashCode();
|
|
}
|
|
|
|
public ulong GetLowerBits(
|
|
int bitCount
|
|
)
|
|
{
|
|
return value & ((1UL << bitCount) - 1);
|
|
}
|
|
|
|
[MethodImpl(MethodImplOptions.AggressiveInlining)]
|
|
public ref T Member<T>(
|
|
int index
|
|
) where T : unmanaged, INumber<T>
|
|
{
|
|
return ref Unsafe.As<byte, T>(ref buffer[index * sizeof(T)]);
|
|
}
|
|
|
|
public void SetLowerBits(
|
|
int bitCount,
|
|
ulong bits
|
|
)
|
|
{
|
|
value = (value & (~(1UL << bitCount))) | (bits & (1UL << bitCount));
|
|
}
|
|
|
|
public static bool operator !=(
|
|
M64 left,
|
|
M64 right
|
|
)
|
|
{
|
|
return !(left == right);
|
|
}
|
|
|
|
public static M64 operator <<(
|
|
M64 value,
|
|
int shift
|
|
)
|
|
{
|
|
M64 result = new M64();
|
|
result.value = value.value << shift;
|
|
return result;
|
|
}
|
|
|
|
public static bool operator ==(
|
|
M64 left,
|
|
M64 right
|
|
)
|
|
{
|
|
return left.value == right.value;
|
|
}
|
|
public static M64 operator >>(
|
|
M64 value,
|
|
int shift
|
|
)
|
|
{
|
|
return new()
|
|
{
|
|
value = value.value << shift
|
|
};
|
|
}
|
|
|
|
}
|
|
}
|