See Also

Directs the Compiler to use the back-annotated routing constraints in the current project's Routing Constraints File (.rcf) during a compilation.

This option is available for Cyclone^™, Stratix^™, and Stratix^™ GX devices only. Also, to specify that the Compiler use the current project's RCF, you must first generate the RCF by selecting Pin, cell, routing & device assignments under Assignment(s) to back-annotate in the Back-Annotate Assignments dialog box (Assignments menu) when back-annotating assignments.