> Which would be the relevant flags ?

No idea.  If you're interested, you figure them out :-)

> More importantly, i suppose code compiled in this fashion for 64 bit
> sparcs will not build on 32 bit sparc boxes, if these kind of boxes are
> still available anyway.

Yes (to both).  I still don't have access to a 64-bit SPARC machine.

> > The above is for the bytecode interpreter.  For the native-code
> > compiler, the current Sparc code emitter mandates 32-bit integers.
> 
> Would it be much work to build a 64-bit integers target ?

A few days for someone who knows the SPARC64 assembly language well.

- Xavier Leroy
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