MyHDL is not bad for quick prototyping. The main problem I had was using vendor-supplied libraries in simulation, I needed to completely model the vendor block (timing and input-output) which is quite error prone.
OTOH, one of the nice things is the ease of moving from a numpy model of the system to RTL. And using PyPy for running simulations really makes MyHDL hum along quickly [0]
OTOH, one of the nice things is the ease of moving from a numpy model of the system to RTL. And using PyPy for running simulations really makes MyHDL hum along quickly [0]
[0] http://old.myhdl.org/doku.php/performance