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
Type: Answers
Area: Tools
Last Modified: Thu Apr 25 2019 18:42:00 GMT-0700
Version Found: v18.1
Bug ID: 1408205815
How to prevent a register from being placed in a Hyper-Register in the Intel® Quartus® Prime Pro Edition software?
Description
Workaround/Fix
To work around this, use the following Quartus Setting file (.qsf) assigment:
set_instance_assignment -name PRESERVE_REGISTER ON -to core_inst|top_inst|local_reg[*]