RE: [sv-bc] variable driven by continous assignment and ref port

Why would there be a procedural write if the subroutine contains no assignment to the ref argument?

Shalom

From: Steven Sharp [mailto:sharp@cadence.com]

This analysis is possible because module port connections are part of the static hierarchy. On the other hand, ref arguments to tasks/functions are done procedurally at runtime. Therefore I think passing a variable as a non-const ref argument to a task/function should be considered a procedural write. If the subroutine isn't intended to write to the ref argument, then it should be declared a const ref.
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