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AYoun22's avatar
AYoun22
Icon for New Contributor rankNew Contributor
6 years ago

does quartus prime do logic optimization/minimization, like a+~a will be replaced by 1?

I found that Quartus prime does not do any logic optimization/minimization compared to other synthesis tools like mentor's precision or synplify. I am using the lite edition and defaults in the proje...
ak6dn's avatar
ak6dn
Icon for Regular Contributor rankRegular Contributor
6 years ago

Quartus does a LOT of logic optimization. How can you say it 'does not do any optimization/minimization'? That is NOT my experience at all.

Logic functions (like A or not A) will be reduced to constants and folded into the equations. Logic that generates unused functions will be eliminated.

So I completely disagree with your statement.

  • AYoun22's avatar
    AYoun22
    Icon for New Contributor rankNew Contributor
    6 years ago

    i cannot agree:

    module infer (

    output wire q,

    input wire a, b

    );

    assign q = (a & ~b) | (a & b);

    endmodule

    q in this equation should = a, but here is the net schematic: