Re: Bug#397139: ftbfs alpha + ia64

[Steve Langasek <vorlon@debian.org>]

On Tue, Nov 07, 2006 at 01:40:41AM +0100, Falk Hueffner wrote:
> Steve Langasek <vorlon@debian.org> writes:

> > Given that you mention you're not running a Debian kernel at all
> > right now, and that this code is in place upstream and nobody else
> > seems to have complained loudly enough to get it fixed, I'm not sure
> > how much effort we'll want to put into it if it turns out to not
> > work on ev5, but it will still be good to know -- and if the kernel
> > *does* work for you, that's a good reason to find a solution other
> > than switching the kernel to build ev56 code. :)

> It should work, the code is guarded to be only executed on ev56+. See
> also the thread

Ok.

> http://gcc.gnu.org/ml/gcc/2005-07/msg00371.html

The key message seems to be
<http://gcc.gnu.org/ml/gcc/2005-07/msg00429.html>.

Obviously kernel upstream believes the current code is correct, and that
this is a gcc bug.  But I'm wondering why the embedded assembly in the Linux
kernel can't be fixed to include .arch ev56, so that the error-checking
semantics of gcc can be preserved in the general case?

-- 
Steve Langasek                   Give me a lever long enough and a Free OS
Debian Developer                   to set it on, and I can move the world.
vorlon@debian.org                                   http://www.debian.org/