The attached patch helps you run NPTL based IA-32 threaded programs on 
Itanium. Specifically it:

- adds support for new NPTL related system calls
- adds support for a per-CPU GDT, just like i386 does
- adds support for new clone related flags
- Fix clobbering of %ebp (r13) (see process.c)


Please review and let me know if you have any comments.

    -Arun