On 2009-10-29, André Pouliot wrote: > Yes there's already a schematic for an alu that share resource between > the int and FP. It's still hand written , I need to clean it up and put > it in electronic form.
Please do! > A barrel shifter wold be simpler and smaller if we were using an ASIC. > With the FPGA fabric, since we already need the multiplier, it's simpler > to use the multiplier as a barrel shift. For the float add we normally > use 2 barrel shift one before and one after the add. We will have a > barrel shifter after the add. Before the add a multiplier acting as a > barrel shift. It will support the IEEE float completely even > denormalized number. I was imagining we could share the int multiplier and the float mantissa multiplier, but as mentioned I haven't tried to compare the stages. It great if we can do full IEEE without too much extra logic. _______________________________________________ Open-graphics mailing list [email protected] http://lists.duskglow.com/mailman/listinfo/open-graphics List service provided by Duskglow Consulting, LLC (www.duskglow.com)
