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From: john%ghostwheel.unm.edu@ariel.unm.edu (John Prentice)
Newsgroups: comp.parallel
Subject: Re: CM Fortran
Message-ID: <12410@hubcap.clemson.edu>
Date: 28 Dec 90 13:55:59 GMT
References: <12301@hubcap.clemson.edu> <12324@hubcap.clemson.edu> <12381@hubcap.clemson.edu> <12398@hubcap.clemson.edu>
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In article <12398@hubcap.clemson.edu> serafini@amelia.nas.nasa.gov (David B. Serafini) writes:
>
>CFT77 has had a subset of the Fortran 90 array syntax for quite a while now,
>at least a couple of years.  It hasn't caught on much, (to my knowledge)
>probably because of the portability problems it creates.  The Cray Fortran
>preprocessor, fpp, now can put out do-loop based code when given array code,
>so portability is less of a concern now. 
>
This is rather interesting.  Does fpp generate a new do-loop for every
array construct or is it smart enough to combine operations the way
you would if you were writing in Fortran 77?  What is the effect on
the optimizer of all this?

John K. Prentice
john@unmfys.unm.edu