New ContributorHi,
My source code is a vqm file which generated by Synplify, and using Quartus Pro 21.1 to do place and route.
I found that some buffers would be optimized by Quartus, and these buffers are not registers.
What could I do if I would like to keep these buffers during fitter stage in Quartus?
Thanks for any suggestions.
Super ContributorPo,
You may look at the synthesis Quartus attributes as link below
https://www.intel.com/content/www/us/en/programmable/quartushelp/17.0/hdl/vhdl/vhdl_file_dir.htm
Keep and norprune attribute can prevent from being removed.
Super ContributorHi Yu,
May I know if there is any update on this?
New ContributorHi SyafieqS,
I modified the vqm file manually and used (* keep *) attribute to prevent my buffer from being removed.
Thank you so much for your helping.
Super ContributorI’m glad that your question has been addressed, I now transition this thread to community support. If you have a new question, feel free to open a new thread to get the support from Intel experts. Otherwise, the community users will continue to help you on this thread. Thank you.
