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    From
    SubjectRe: New Solaris 7 features
    Date
    > 
    > Alan Cox wrote:
    > >
    > > > - Arithmetic computations get to use 64-bit registers and operations
    > >
    > > Except on the half of the ultrasparcs, where 64bit stuff is
    > > mostly disabled because of CPU bugs ;) (See Bugtraq)
    > >
    >
    > Maybe it's beyond the scope of this mailing list, but:
    >
    > How can I check whether an Ultra workstation running SunOS 5.7
    > uses 64bit features instead of workarounds based on the old
    > 32bit functionality? I would like to get an algorithm to
    > identify these broken CPUs.

    Its easy. If you have UltraSPARC I, you loose with Solaris (Linux will have
    a workaround), if you have II or IIi, you can run 64bit apps just fine.

    Cheers,
    Jakub
    ___________________________________________________________________
    Jakub Jelinek | jj@sunsite.mff.cuni.cz | http://sunsite.mff.cuni.cz
    Administrator of SunSITE Czech Republic, MFF, Charles University
    ___________________________________________________________________
    Ultralinux - first 64bit OS to take full power of the UltraSparc
    Linux version 2.1.127 on a sparc64 machine (498.80 BogoMips).
    ___________________________________________________________________

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