Re: [PATCH 01/16] math128: Introduce various 128bit primitives

[Geert Uytterhoeven]

On Wed, Oct 24, 2012 at 11:53 PM, Juri Lelli <juri.lelli@xxxxxxxxx> wrote:
> +#ifdef __SIZEOF_INT128__ /* gcc-4.6+ */
> +       unsigned __int128 val;
> +#endif

So the definition of val depends on (gcc) __SIZEOF_INT128__...

> +/*
> + * Make usage of __int128 dependent on arch code so they can
> + * judge if gcc is doing the right thing for them and can over-ride
> + * any funnies.
> + */
> +
> +#ifndef ARCH_HAS_INT128

... but all generic users depend on (Kconfig) ARCH_HAS_INT128?

How can Kconfig know if gcc supports this?

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx

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