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Complex cell

Hi,

In my std cell library, there are Booth encoder cell and 4-2 compressor cell. I think these cells should make a multiplier faster / smaller. However, I am surprise that RC does not pick up any of these cell although the synthesized netlist contains both slow and fast, and also both booth and non-booth multiplier architecture DW.

Anyone can sure experience related to this issue? Thanks.

Regards,
Eng Han

Originally posted in cdnusers.org by EngHan

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