lkml.org 
[lkml]   [2005]   [Jul]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    From
    SubjectRe: xor as a lazy comparison
    Date
    On Wed, 27 Jul 2005 15:58:48 -0400, "linux-os \(Dick Johnson\)" <linux-os@analogic.com> 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.

    Grant.

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2005-07-28 02:08    [W:0.019 / U:30.364 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site