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    SubjectRe: 2.1.120pre2: Bug in strnicmp() noted in 2.1.119pre1 is still there!


    On Mon, 31 Aug 1998, Hans Eric wrote:
    >
    > Cool, creative use of gotos keeps nested ifs to a minimum. Since this seems to
    > be hand optimized code you might as well move s1++;s2++ after the if
    > statements to save some cycles. That is if the compiler does'nt catch it.

    Actually, it's done the way it's done exactly to _not_ let the compiler
    catch on.

    In most architectures there's a load-use penalty, so doing the load and
    immediately testing for zero is bad - while doing the load and updating
    the address can essentially be done in parallel.

    Linus


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