[MPI3 Fortran] (j3.2006) Effect of volatile

N.M. Maclaren 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.

Nick Maclaren,
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 mailing list