Re: Bug in gcc for powerpc?
On Mon, Jul 30, 2012 at 5:09 PM, Roger Leigh <rleigh@codelibre.net> wrote:
> On Sat, Jul 28, 2012 at 08:43:16PM -0400, Felipe Sateler wrote:
>> On Sat, Jul 28, 2012 at 8:34 PM, Roger Leigh <rleigh@codelibre.net> wrote:
>> > On Sat, Jul 28, 2012 at 04:45:35PM -0400, Felipe Sateler wrote:
>> >> Hi gcc and powerpc teams,
>> >>
>> >> Supercollider recently failed to build in powerpc[1] with some weird
>> >> errors about operand out of range. Googling around suggests working
>> >> around the problem by avoiding inlining. And in fact, SC builds after
>> >> avoiding inlining one function. However, it seems to me this is a bug
>> >> in gcc, since it shouldn't ouptut invalid assembler. I'm not quite
>> >> sure how to handle this sort of bug, however. Where should I file this
>> >> bug (that is, which package)? This bug seems to have happened a few
>> >> times already, so I'm not quite sure if this is supposed to be fixed
>> >> or not.
>> >
>> > Just as a data point, I've reproduced this identically on current
>> > unstable (powerpc). Have you tried using a different compiler
>> > version e.g. 4.7? I can do further investigation tomorrow if you
>> > would like.
>>
>> I am testing on partch, I don't have access to other ppc hardware.
>> Partch has gcc 4.4 and 4.6, it fails with both, with the same error
>> but in different places (4.4 has lots of errors, 4.6 just 2).
>
> I can give you access to a G4 ppc running current testing with
> build chroots available on it if you would find that useful.e The
> only thing is that you'll need IPv6 to access it.
I don't think it'd be useful. I definitely do not have the expertise
to debug gcc.
--
Saludos,
Felipe Sateler
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