[MPI3 Fortran] (j3.2006) Effect of volatile
nmm1 at cam.ac.uk
Thu Jan 8 10:06:16 CST 2009
On Dec 23 2008, Michael Ingrassia wrote:
>Since Fortran hasn't had END BLOCK statements until now I guess there's
>no way to survey whether all vendors flush registers and set up barriers
>to code motion at an END BLOCK.
>>While this might work as a
>>practical matter, I don't think the language semantics requires that.
>Could the semantics require that, in principle ?
Not without major changes to the specification model, no.
University of Cambridge Computing Service,
New Museums Site, Pembroke Street, Cambridge CB2 3QH, England.
Email: nmm1 at cam.ac.uk
Tel.: +44 1223 334761 Fax: +44 1223 334679
More information about the mpiwg-fortran