Invoking Code Coverage with Vsim

ModelSim's Code Coverage feature gives you graphical and report file feedback on how the source code is being executed. It allows line number execution statistics to be kept by the simulator. It can be used during any design phase and in all levels and types of designs. For complete details, see Code Coverage chapter .

To acquire code coverage statistics, the -coverage switch must be specified during the command-line invocation of the simulator.

vsim -coverage ... 

This will allow you to use the various code coverage commands: coverage clear, coverage reload, and coverage report.

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