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Registered: ‎03-29-2009

ISE 10.1.03i: chipscope pro with map global optimizations

When I run map -global_opt on with a design that has a chipscope instantiation, the mapper generates the following error message:

 

Running global optimization...
ERROR:Map:128 - Unable to run global optimization for this design. Please rerun
   Map with global optimization disabled.

 

My current design has difficulty meeting timing with global opt turned off.  Is there a way to use global opt with a chipscope instantiation?

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