sim: keep track of unreferenced items
authorRobert Jordens <jordens@gmail.com>
Fri, 20 Mar 2015 21:10:40 +0000 (15:10 -0600)
committerSebastien Bourdeauducq <sb@m-labs.hk>
Sat, 21 Mar 2015 09:02:10 +0000 (10:02 +0100)
commit5f045b7649bd897284b8259b024781f2fc3ed324
treeb5f8b51254f559e79e2b28a0d814b231654d27f6
parent4fe888702d9474320d6af203b70feb71fba80bcd
sim: keep track of unreferenced items

* items that are never referenced in any statements do not end up in the
namespace or in the verilog

* this memorizes items if they can not be found in the namespace and keeps
track of their values
migen/sim/generic.py