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Altera_Forum
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13 years ago

New IP development

Hello, I am interested in developing some instructions which can do the bignum operations (like adding two operands of 1024 bit) and hence by plan to implement a simple Full Adder like this: ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
13 years ago

It is also worth remembering that the Nios cpu stalls during Avalon MM transfers - IIRC this is at least 2 extra clocks.

In addition any read value isn't available for the next two clocks.

So if you actually want to do high performance wide arithmetic you need may not get the performance you expect.

If you are just doing an acedemic excercise then it doesn't matter.