Using new file structure. Use new regexir display method. Fix line dependency error in prefix analysing.

Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>

src/StgSharp.Common/HighPerformance/ProcessorAbstraction/M256.cs

@@ -0,0 +1,49 @@
+// -----------------------------------------------------------------------------
+// file="M256"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Numerics;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Runtime.Intrinsics;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.HighPerformance.ProcessorAbstraction
+{
+    [StructLayout(LayoutKind.Explicit, Pack = 16)]
+    public unsafe struct M256 : IRegisterPresentation
+    {
+
+        [FieldOffset(0)] internal fixed byte Buffer[32];
+        [FieldOffset(0)] internal Vector256<float> Vec;
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        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 = Vector256.Create(value).AsSingle();
+        }
+
+        [MethodImpl(MethodImplOptions.AggressiveInlining)]
+        public ref T Member<T>(
+                     int index
+        ) where T : unmanaged, INumber<T>
+        {
+            return ref Unsafe.Add(ref AsRef<T>(), index);
+        }
+
+    }
+}