Re: Re-enable bi-arch sparc on Solaris 7 and above

[Jakub Jelinek <jakub at redhat dot com>]

On Fri, Jun 08, 2001 at 01:09:58PM +0200, Rainer Orth wrote:
> Mark Mitchell writes:
> 
> > >>>>> "Phil" == Phil Edwards <pedwards@disaster.jaj.com> writes:
> > 
> >     Phil> I haven't seen a response to this yet.  Should we make it
> >     Phil> explicit on the web pages somewhere that 64-bit support for
> >     Phil> sparcv9 will not be in until 3.1? 
> > 
> > Yes, I think that would be good.  Unless this somehow magically fixed
> > itself.
> 
> But do we really have a clear understanding what's broken with the 64-bit
> support.  My comparisons to date
> 
> 	http://gcc.gnu.org/ml/gcc-patches/2001-06/msg00038.html
> 
> indicate that there are no regressions between the 32-bit support between
> mono-arch 32-bit, bi-arch 32x64-bit and bi-arch 64x32-bit configurations.
> I have yet to investigate other combinations (i.e. 32-bit vs. 64-bit and
> the two different 64-bit configurations), but overall the results look
> pretty good to me.  Unfortunately, I got distracted by many other tasks
> (primarily Tru64 UNIX and IRIX related), so if someone else could take up
> there to give us a clear picture what's wrong with 64-bit sparc
> support, that would really help to make an informed decision instead of
> mere guesswork.

Try to build glibc, fdlibm or something else which moves data back and forth
through unions with integers and floats and see it crashing or generating
wrong code.

	Jakub