On 09/22/2013 09:24 AM, Peter Zijlstra wrote:
>
> As to the problem of GCC moving r13 about, some archs have some
> exceptions in the register allocator and leave some registers alone.
> IIRC MIPS has this and uses one of those (istr there's 2) for the
> per cpu base address.
>
You can force gcc to leave a register alone with the command line option
-ffixed-r13.
-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
