Device Family: Intel® Stratix® 10

Type: Answers

Area: Intellectual Property

Last Modified: August 20, 2018
Version Found: v17.0
Bug ID: FB: 378145;
IP: Avalon-ST Stratix 10 Hard IP for PCI Express, Avalon-MM Stratix 10 Hard IP for PCI Express

Why does VCS simulation of the Intel® Stratix® 10 PCIe* Hard IP return this RT Warning: More than one conditions match in 'unique case' statement?


VCS simulation of the Intel® Stratix® 10 PCIe* Hard IP returns warnings of the type shown below.


Warning-[RT-MTOCMUCS] More than one condition match in statement

/linux64/quartus//eda/sim_lib/synopsys/, 26

  More than one condition matches are found in 'unique case' statement inside


  at time 109295007000fs


The simulator is reporting the violation when considering transient values of the input signals instead of

considering only the stable values for these inputs.  Therefore there is no functional issue, and the warning can be safely ignored.



To work around this problem and suppress this warning, include the following user defined option when running