Oops. I forgot some. Two other types of metacomments we need to port: // synthesis attribute MAX_FANOUT of ad_oe is 1
// synthesis attribute equivalent_register_removal of stop_oe is "no" On Dec 10, 2007 11:15 AM, Timothy Normand Miller <[EMAIL PROTECTED]> wrote: > This one will require research, which I'll start on, but I'd like > someone else to take responsibility for it. > > Aside from perhaps a bit of work on I/O buffers, here's the main issue > we need to address for PCI. For the Xilinx version, we have these: > > //synthesis attribute keep_hierarchy of mux0 is yes > > This indicates that a module that we have instantiated with the name > mux0 must not be optimized through. The reason we need this has been > described elsewhere. What we need to find out is the equivalent way > to do this for Lattice chips. I think we select Synplicity as the > synthesizer for Lattice. > > I've posted this, but let's not count on it: > http://groups.google.com/group/comp.arch.fpga/browse_thread/thread/f289e39a2621d3cf#f2a1b773d6292bf0 > > -- > Timothy Normand Miller > http://www.cse.ohio-state.edu/~millerti > Open Graphics Project > -- Timothy Normand Miller http://www.cse.ohio-state.edu/~millerti Open Graphics Project _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
