Re: New 64 Bit Big Endian architecture

[Oliver Paukstadt <pstadt@stud.fh-heilbronn.de>]

On Mon, 10 Dec 2001, Bill Allombert wrote:

> On Mon, Dec 10, 2001 at 01:59:53PM +0100, Oliver Paukstadt wrote:
> > HY HY
> >
> > I'm porting various software to a very new architecture, it's Linux for
> > zSeries (64 bit). zSeries is IBMs 64 bit successor to 31 Bit S/390.
> >
> > s390x is a 64 bit big endian architecture.
> > s390 requires -fPIC for shared code.
> > +    linux-s390*) DLCFLAGS=-fPIC;
> > +                 OPTFLAGS="$OPTFLAGS -mno-backchain";;
>
> The PARI Debian package is already compiled for Linux on (31 bit) S/390.
> The shared library  is compiled with -fPIC, but what does the
> "-mno-backchain" ? Will it works with (31 bit) S/390
if the code is compiled with -mno-backchain the compiler does not set the
backchain, which is faster but makes it nearly impossible to debug.
I did this because number crunching is not the primary operational area
for a 390 to speed up ;-)

> I heard talk about starting  Debian Linux/S390x, but for now there are no
> autobuilders for packages.
Is a box available?

Greetings
Oliver Paukstadt

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