Forum Discussion

JSLY's avatar
JSLY
Icon for New Contributor rankNew Contributor
4 years ago

How to turn off or reduce optimization in questa sim

I downloaded and installed questasim started edition 2021.2 for quartus prime lite 21.1 and the tool opens up and compiles and starts a simulation, but nothing shows up in the "OBJECS" window, almos...
GLT1's avatar
GLT1
Icon for Occasional Contributor rankOccasional Contributor
4 years ago

Adding -voptargs=+acc to the questa command line will turn off all optimizations and allow all signals to be visible.

Maulik0405's avatar
Maulik0405
Icon for New Contributor rankNew Contributor
10 months ago

This works when also removed the following flag from the vsim - command.

-novopt

Overall the command should be looking like this.

vsim -voptargs=+acc -c -t 1ps -L cyclonev_ver -L altera_ver -L altera_mf_ver -L 220model_ver -L sgate_ver -L altera_lnsim_ver work.firstBlockTest_vlg_vec_tst