Avoiding Priority Processing - Avoiding Priority Processing - 2022.2 English - UG901

Vivado Design Suite User Guide: Synthesis (UG901)

Document ID
UG901
Release Date
2022-11-16
Version
2022.2 English

The case statement in the previous coding example evaluates the values of input sel in priority order.

To avoid priority processing:

° Use a parallel-case Verilog attribute to ensure parallel evaluation of the input sel .

° Replace the case statement with:

(* parallel_case *) case(sel)