[LLVMdev] GSoC project questions.

[Alex L]

Hi again,

Thanks for accepting my GSoC proposal for flang, this is a very exciting
time for me! During the next couple of days I will gather the documents
which are required by Google and will start with the full time work as per
my timeline.


2013/5/4 Alex L <arphaman at gmail.com>

> Thanks, I'll take a look at it. It's actually a great idea, I completely
> missed that the fact that it's possible to do that.
>
> суббота, 4 мая 2013 г. пользователь Duncan Sands <baldrick at free.fr> писал:
>
> > Hi,
> >
> > On 24/04/13 21:43, Alex L wrote:
> >>
> >>     If you are going to work on improvements in this area, then it would
> >>     help to add them to the proposal (maybe that will move other, not so
> >>     important, features out of scope).
> >>
> >> That would be a good idea indeed.
> >>
> >>     The EQUIVALENCE keyword is deprecated, still I don't know if it is
> still
> >>     widely used in F77 code. I think one of the main resaons it was
> deprecated
> >>     is that it voids all type checking
> >>
> >> Thanks, I did miss this one.
> >>
> >>     FWIW, this is still widely used in F77 code (as are common blocks).
> This is,
> >>     essentially, how you get 'union' in Fortran. I think it is not used
> much in
> >>     modern Fortran, however. I recommend that we should at least think
> about how
> >>     to support these various things, but only actually do it up front
> if it is
> >>     in BLAS.
> >>
> >> I just did a search through BLAS sources and EQUIVALENCE isn't used
> there. I
> >> might consider getting rid of it for the proposal. The COMMON blocks
> aren't used
> >> in BLAS too.
> >
> > you may want to see what LLVM IR dragonegg produces for these.  When
> > investigating tricky cases, seeing what an existing LLVM based Fortran
> > compiler produces could be quite helpful.
> >
> > Ciao, Duncan.
> > _______________________________________________
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> >
>
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