net8.0-windows 
namespace System.Runtime.Intrinsics.Arm
{
    [CLSCompliant(false)]
    public abstract class AdvSimd : ArmBase
    {
        public static Vector128<sbyte> PopCount(Vector128<sbyte> value);
    }
}
.NET
5.06.07.08.09.010.011.0
Information specific to net8.0
Assembly

System.Runtime.Intrinsics.Experimental , Version=5.0.0.0, PublicKeyToken=cc7b13ffcd2ddd51

Referencing

Your project needs a package reference to System.Runtime.Intrinsics.Experimental.

Package System.Runtime.Intrinsics.Experimental (5.0.0-preview.6.20305.6) net5.0
Platform Restrictions

This API is supported on all platforms.

  • Built-in API
  • Package-provided API