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    SubjectRe: [tip:x86/fpu] x86: Add new static_cpu_has() function using alternatives
    On 05/18/2010 01:10 PM, Eric Dumazet wrote:
    > # gcc -v
    > Reading specs from /usr/lib/gcc/i386-redhat-linux/3.4.6/specs
    > Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
    > --infodir=/usr/share/info --enable-shared --enable-threads=posix
    > --disable-checking --with-system-zlib --enable-__cxa_atexit
    > --disable-libunwind-exceptions --enable-java-awt=gtk
    > --host=i386-redhat-linux
    > Thread model: posix
    > gcc version 3.4.6 20060404 (Red Hat 3.4.6-10)

    I just implemented a fallback for gcc 3, but the real question is to
    which degree we still care about gcc 3 support for x86 specifically
    (other architectures might have other needs, but this is x86-specific code.)

    Lately the number of issues with gcc 3 support seems to have gone way
    up, and at some point we're going to have to cut it loose -- when would
    depend largely on what the usage case is; e.g. why are you, yourself,
    using gcc 3.4 to compile a state of the art kernel?

    -hpa


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