vendor.lattice_ice40: never place an inverter on global buffer output.
authorwhitequark <cz@m-labs.hk>
Fri, 14 Jun 2019 20:44:02 +0000 (20:44 +0000)
committerwhitequark <cz@m-labs.hk>
Fri, 14 Jun 2019 20:44:02 +0000 (20:44 +0000)
commitc81d21c56a05811f37578ce2aa8e55d39efd61d8
tree99f52e65bc7efdb3fe8ff2a9fd004c9a9da85563
parent995a8df0806afa14442cd684281982a87219548c
vendor.lattice_ice40: never place an inverter on global buffer output.

This would make `pin.i` not a global network anymore, which is likely
undesirable if an explicit Attrs(GLOBAL=1) is specified.
nmigen/vendor/lattice_ice40.py