Incorrect Logic Created

If you use folding on a subsystem with multipliers larger than that natively supported (for example wider than 18 ×18 on Cyclone families and larger than 36 ×36 on Stratix families) illegal logic may be created. This issue affects all designs that use folding.The design may fail.

To work around the issue, set the workspace variable DSPBA_Features.OptimizeLargeMults = false for the HDL generation of the model in such cases. For example, on the File menu, point to Model Properties, click on the Callbacks tab, click InitFcn, and type in the following function:

Alternatively, on the File menu, point to Model Properties, click on the Callbacks tab, click StopFcn, and type in the following function:

This issue will be fixed in a future version of the DSP Builder advanced blockset.