... and don't forget files

src/ILUtil.cs

+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reflection;
+using System.Reflection.Emit;
+
+namespace PoroCYon.FNAGLSL {
+	public static class ILUtil {
+		// TODO: other useful insns?
+		static ILUtil() {
+			var cpblk = new DynamicMethod("_Cpblk_IL",
+					MethodAttributes.Public|MethodAttributes.Static,
+					CallingConventions.Standard,
+				null, new [] { typeof(IntPtr), typeof(IntPtr), typeof(IntPtr) },
+				typeof(ILUtil), true);
+
+			var gen = cpblk.GetILGenerator();
+			gen.Emit(OpCodes.Ldarg_0);
+			gen.Emit(OpCodes.Ldarg_1);
+			gen.Emit(OpCodes.Ldarg_2);
+			gen.Emit(OpCodes.Cpblk);
+			gen.Emit(OpCodes.Ret);
+
+			_Cpblk = (Action<IntPtr, IntPtr, IntPtr>)cpblk.CreateDelegate(
+				typeof(Action<IntPtr, IntPtr, IntPtr>));
+
+			var initblk = new DynamicMethod("_Initblk_IL",
+					MethodAttributes.Public|MethodAttributes.Static,
+					CallingConventions.Standard,
+				null, new [] { typeof(IntPtr), typeof(byte), typeof(IntPtr) },
+				typeof(ILUtil), true);
+
+			gen = initblk.GetILGenerator();
+			gen.Emit(OpCodes.Ldarg_0);
+			gen.Emit(OpCodes.Ldarg_1);
+			gen.Emit(OpCodes.Ldarg_2);
+			gen.Emit(OpCodes.Initblk);
+			gen.Emit(OpCodes.Ret);
+
+			_Initblk = (Action<IntPtr, byte, IntPtr>)initblk.CreateDelegate(
+				typeof(Action<IntPtr, byte, IntPtr>));
+		}
+
+		static Action<IntPtr, IntPtr, IntPtr> _Cpblk;
+		public static void Cpblk(IntPtr dst, IntPtr src, IntPtr size) { // memcpy args order
+			_Cpblk(dst, src, size);
+		}
+
+		static Action<IntPtr, byte, IntPtr> _Initblk;
+		public static void Initblk(IntPtr ptr, byte val, IntPtr size) { // memset args order
+			_Initblk(ptr, val, size);
+		}
+	}
+}