Multiple-output custom instructions in Nios-II
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Multiple-output custom instructions in Nios-II

 
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kavi



Joined: 27 Jan 2005
Posts: 14
Location: Planet Earth

Posted: Fri Nov 25, 2005 7:14 pm    Post subject: Multiple-output custom instructions in Nios-II Reply with quote

Hi there

i guess some people here work with Nios-II and SoPC builder. I have a question regarding the potential use of the internal register file.

The internal register file is useful for performing multi-cycle operation for user-supplied custom instructions. Is it possible to implement a custom instruction as the following:

(out0,out1,out2) <- function-of(inp0,inp1,inp2,inp3)

I mean is it possible to commit the output operands (out0-out2) in 3 consecutive cycles?

thanks in advance

-kavi
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-kavi a.k.a. "Uncle Noah"
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