Refactoring and optimization on CPU translation (#661)

* Refactoring and optimization on CPU translation

* Remove now unused property

* Rename ilBlock -> block (local)

* Change equality comparison on RegisterMask for consistency

Co-Authored-By: gdkchan <gab.dark.100@gmail.com>

* Add back the aggressive inlining attribute to the Synchronize method

* Implement IEquatable on the Register struct

* Fix identation

ChocolArm64/Decoders/Condition.cs

@@ -19,4 +19,14 @@ namespace ChocolArm64.Decoders
         Al   = 14,
         Nv   = 15
     }
+
+    static class ConditionExtensions
+    {
+        public static Condition Invert(this Condition cond)
+        {
+            //Bit 0 of all conditions is basically a negation bit, so
+            //inverting this bit has the effect of inverting the condition.
+            return (Condition)((int)cond ^ 1);
+        }
+    }
 }