Implement a Macro JIT (#1445)

* Implement a Macro JIT

* Nit: space

Ryujinx.Graphics.Gpu/Engine/MME/AluOperation.cs

@@ -0,0 +1,15 @@
+namespace Ryujinx.Graphics.Gpu.Engine.MME
+{
+    /// <summary>
+    /// GPU Macro Arithmetic and Logic unit operation.
+    /// </summary>
+    enum AluOperation
+    {
+        AluReg = 0,
+        AddImmediate = 1,
+        BitfieldReplace = 2,
+        BitfieldExtractLslImm = 3,
+        BitfieldExtractLslReg = 4,
+        ReadImmediate = 5
+    }
+}