Subject: Re: Inferring FPGA Hardware Features?
From: Shalom Bresticker (Shalom.Bresticker@motorola.com)
Date: Tue Jul 17 2001 - 01:22:57 PDT
Mac,
You're correct, but I'm not sure that is a problem.
You say, "hence I don't get what I want".
Well, if that's the case, then if you're the one developing the module, then don't put it in.
If you're the one wanting to reuse it, then it won't fit your needs.
On the other hand, if the alternative is having to ADD that attribute to get what you want,
then it's also not reusable without change.
It simply becomes one of the characteristics of that module.
Am I way off base here ?
Shalom
Michael McNamara wrote:
> My point is extremely pragmatic. If I insert into a module a pragma
> that states something, like (* implement this in cell 14 *), then
> when I instatiate this module more than once, I will have two cells
> that are trying to use cell 14.
>
> If I state in a module, (* optimize for time *), then _every_
> instatiation of that module will be requesting timing optimization;
> including instantiations that are not timing critical; hence I don't
> get what I want.
-- ************************************************************************** Shalom Bresticker Shalom.Bresticker@motorola.com Motorola Semiconductor Israel, Ltd. Tel #: +972 9 9522268 P.O.B. 2208, Herzlia 46120, ISRAEL Fax #: +972 9 9522890 **************************************************************************
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