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    SubjectRe: [PATCH 1/1] vsprintf: optimize decimal conversion (again)
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    On Mon, Mar 26, 2012 at 22:13, Andrew Morton <akpm@linux-foundation.org> wrote:
    > On Mon, 26 Mar 2012 21:56:38 +0200
    > Denys Vlasenko <vda.linux@googlemail.com> wrote:
    >
    >> >> +#if BITS_PER_LONG != 32 || (~(0ULL)>>1) != ((1ULL<<63)-1)
    >> >
    >> > What's this for?
    >>
    >> The second check should be just BITS_PER_LONG_LONG != 64,
    >> but we don't have BITS_PER_LONG_LONG.
    >
    > So let's add BITS_PER_LONG_LONG rather than hacking around its absence!

    I don't think Linux runs on anything with BITS_PER_LONG_LONG != 64...

    BTW, what about CPUs with slow 32x32 multiplication and/or slow 64-bit
    division?

    Gr{oetje,eeting}s,

                            Geert

    --
    Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

    In personal conversations with technical people, I call myself a hacker. But
    when I'm talking to journalists I just say "programmer" or something like that.
                                    -- Linus Torvalds
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