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    SubjectRe: xor as a lazy comparison
    On Wed, 27 Jul 2005 15:58:48 -0400, "linux-os \(Dick Johnson\)" <> wrote:
    >I think the XOR thread was started by somebody as a ruse or
    >a joke. XOR will always destroy the value of an operand.

    You missed the part where somebody checked assembler output and
    found compiler optimised xor to cmp as nothing referenced the result.


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