Interview Question

byMG - BBC 1 2
Some software programming languages allow compilers to perform "short cut" or "short circuit" optimizations on AND and OR operations. In a short-cut AND or OR, the second argument is not evaluated if the first argument evaluates to a controlling value. For example, in evaluating f(x) AND g(y), if f(x) is false, then g(y) will not be evaluted.
  1. Answer whether this optimization is feasible and beneficial in hardware.
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  1. ireviewOctober 4, 2007 at 11:06 AM

    I think so, it should not be a problem, HDL's do use short circuit evaluation, is that right?

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  2. lotusactivemindsNovember 28, 2007 at 1:09 AM

    I disagree. Programming is software oriented. It is a problem of base mobility.

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