Closed gatecat closed 2 years ago
This is required to avoid falsely reported combinational loops with YosysHQ/nextpnr#966, which allows an unrelated driving LUT2 and SB_CARRY to be packed into the same LC, with the inputs used for the carry being don't cares in the LUT function.
This is required to avoid falsely reported combinational loops with YosysHQ/nextpnr#966, which allows an unrelated driving LUT2 and SB_CARRY to be packed into the same LC, with the inputs used for the carry being don't cares in the LUT function.