Re: [fpu] fpu synthesis problem

[Rudolf Usselmann <rudi@asics.ws>]

On Wednesday 05 September 2001 17:22, you wrote:
> Hi all,
>
> I've tryed to do the fpu unit synthesis with FPGA Express verilog
> compiler (under Xilinx Foundation IDE). This error appears:
> * Operands to divide must be constants in routine called from div_r2
> line 90 in file 'primitives.v'
> Can anybody help me?
> Thanks a lot.
> --


You need to have an actual divider block. I'm only using "a / b"
statements, which FPGA Express can not synthesize.

FPGA Express is not capable of synthesizing a real divider,
block, it can only resolve divisions of constants in it's pre-
processor ...


rudi
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