Intel® Quartus® Prime Pro Edition User Guide: Design Optimization

ID 683641
Date 4/03/2023

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8.4.12. unplace_node


Unplaces the node that you specify. unplace_node supports moving larger clouds of logic. To simplify the process of moving a larger cloud of logic, such as an entire ALM, you can first unplace all of the nodes. The Fitter does not perform placement legality checking until you re-place the final ALM cell.


The following example unplaces a node with the name ff1:

unplace_node -name ff1


Name of the node to unplace.