ncelab: *F,CUMSTS: Timescale directive missing on one or more modules

Description

Due to a problem in the Quartus® II software version 12.0 SP1 and later, generated XAUI HDL files may be missing timescale options. This can result in the Cadence NC-Sim simulator generating the following error during elaboration.

ncelab: *F,CUMSTS: Timescale directive missing on one or more modules

Resolution

To work around this problem, modify the ncsim_setup.sh script to add the timescale option to ncelab. For exampe:

ncelab -timescale 1ps/1ps <other options>.

This issue is fixed beginning with the Quartus II software version 12.1.