> <@ydnatag:matrix.org> No problem! I was no expecting a complete solution neither xD. I'm just asking you because I was trying to solve this issue for a long and I'm a little bit frustrated, but i will find out the issue. Thank you for you time and help.
> 
> The main problem I have is that I'm using amaranth to generate a project for the polarfire. I think that you know how bad libero is hahah

I solved this issue I had yesterday. Synplify was removing a blockram.I changed AsyncFifo to AsyncFifoBuffered and the net was not removed anymore :).