The last PMAP (or whatever it is called now) I looked at showed that the 
Cobol code generator was not even using relative branching.

IBM Mainframe Discussion List <IBM-MAIN@bama.ua.edu> wrote on 07/14/2011 
02:04:37 PM:

> From: "Vernooij, CP - SPLXM" <kees.verno...@klm.com>

> So, since it is Cobol, would just a recompile with a recent compiler be
> sufficient to generate an efficient loadmodule?

> We discussed a similar issue internally recently with regards to the new
> instructions that are available on today's machines and were not 10 or
> 20 years ago when an old module was compiled. Also for this reason,
> recompiling it could make it more efficient.


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