+
+ * Error in removing dead code:
+ In an if condition is a loop. We optimized the if condition to Jmp/Bad,
+ the loop now is unreachable. It should be removed by gigo or the like.
+ It remains in the representation as all blocks in the loop have a
+ valid predecessor, i.e., walking from End we find a true loop. We need
+ a pass walking and marking starting at the Start node to remove this loop.
+ Currently scc causes an segmetation fault for this situation.
+
* print routines for all enums!
Add flag whether mode is associative, float modes are not!!