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CLa_R's avatar
CLa_R
Icon for Occasional Contributor rankOccasional Contributor
5 years ago

Quartus II stuck on 47% analisys

Hi, my Quartus II 17.0 is stuck for hours (more than 8 hours) on 47% analisys. I am compiling for Cyclone IV E (ep4ce10...). I noticed that, in my design (a simplified MISP CPU, mono clock), if I w...
Karlis_Susters's avatar
Karlis_Susters
Icon for New Contributor rankNew Contributor
4 years ago

I had the exact same analysis and synthesis stuck on 47% issue, I solved it by setting "Allow register merging" to "Off" in Compiler settings -> advanced synthesis settings.

If that doesn't work, might be worth literally toggling every synthesis setting on that page and seeing if that works. Then narrow it down to the one setting that causes the problem by toggling a half, then a quarter, ...

Karlis