Attached is the radix-4 multiplier. Since it was easy to make it signed, i just went with that. Adding support to select signed/unsigned is also easy. Can someone with the Lattice tools try synthesizing this? I don't have it installed on my laptop as i'm running out of space. On xilinx i get just under 7.2ns, which is the delay through the 33 bit adder/subtracter. Takes 17 cycles to complete a 32x32 multiply.
On Thu, August 16, 2007 9:51 am, Timothy Normand Miller said: > On 8/16/07, Farhan Mohamed Ali <[EMAIL PROTECTED]> wrote: > >> I'll code up the radix-4 multiplier. What formats does it have to >> support? signed/unsigned/2c? > > Start with unsigned for now. We're still at the "we don't know if we > need it" point, so go for the easier experiment. > > > -- Timothy Normand Miller http://www.cse.ohio-state.edu/~millerti Open > Graphics Project > >
multradix4B32_v3.v
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multradix4B_test.v
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