Since PMCs are done, languages should start to come out again. Every good code generator needs a backend, and here's a first stab at an optimizer for Parrot:
http://216.254.0.2/~jgoff/Files/optimizer.perl It takes a file of Parrot code post-macro-expansion, although it's internally just a module that silly-walks an array of lines with a small wrapper. -- Jeff <[EMAIL PROTECTED]>