RE: [sv-ac] problem with Mantis 2150 -automatic variables in action block ?

Hi Neil,

I was suspicious about my understanding ... :-) thank you for the
clarification.

Ed


> -----Original Message-----
> From: Neil.Korpusik@Sun.COM [mailto:Neil.Korpusik@Sun.COM]
> Sent: Wednesday, February 27, 2008 4:29 PM
> To: Eduard Cerny
> Cc: sv-ac@eda.org
> Subject: Re: [sv-ac] problem with Mantis 2150 -automatic variables in
> action block ?
> 
> Hi Ed,
> 
> I suspect that you may have a misunderstanding about automatic
variables.
> The following is contained in 6.21. There are more details contained
in
> that section which might help clarify things for you. I believe that
you
> are confusing "automatic variables" with "dynamic variables".
> 
> "Data declared inside a module, interface or program, but outside a
task,
> process,
>   or function, are local in scope and static in lifetime (exist for
the
> lifetime
>   of the module, interface or program). This is roughly equivalent to
C
> static
>   data declared outside a function, which is local to a file."
> 
> Neil
> 
> 
> 
> 
> Eduard Cerny wrote:
> > Hi,
> >
> >
> >
> > Suppose a module contains the following code:
> >
> >
> >
> > covergroup cg @(posedge clk);
> >
> >   ...
> >
> > endgroup
> >
> >
> >
> > cg cg_i = new();
> >
> >
> >
> > cover property(p) cg_i.sample();
> >
> >
> >
> >
> >
> > Then if I understand 2150 correctly, this code would be illegal
because
> > cg_i is an automatic variable declared outside the action block.
Yet,
> > this is a very common usage... Or did I misread what automatic
variable
> is?
> >
> >
> >
> > Thank you,
> >
> >
> >
> > ed
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > --
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