In the Intel® Quartus® Prime Pro Edition software, you can add a preserve register Quartus Setting file (.qsf) assignment to prevent a register from being placed in Hyper- Register.
Device Family: Intel® Stratix® 10
Intel Software: Quartus Prime Pro
Last Modified: Thu Apr 25 2019 18:42:00 GMT-0700
Version Found: v18.1
Bug ID: 1408205815