Subject: DC-WG: Agenda for 2/8 teleconference
From: Mark S Hahn (mhahn@cadence.com)
Date: Mon Feb 07 2000 - 23:57:46 PST
The next Design Constraints Working Group (DC-WG)
phone conference will be held tomorrow, Tuesday, 2/1/00,
from 9:00am - 11:00am (PDT).
Call (310) 914-4300, enter the passcode, 5637,
then the # sign.
The following meeting will be on 2/15/00 at the same time
and number.
Agenda
------
1. Review status of golden parser
2. Review status of press release
3. DAC planning
4. Review updates to section 3.3.6 "Constraint Values"
5. Discuss inheritance
- Proposal:
The combination of the current_instance and include commands
provide a basic mechanism for applying the same constraints to
multiple hierarchy levels, without requiring extensive changes
to tools to support completely new semantics.
If we provide any type of inheritance support at all, we'll
be opening a Pandora's box of issues that will require very
careful definition of how inherited constraints are transformed
as changes are made to the design hierarchy. Combined with the
fact that many tools don't support any form of constraint
inheritance at all today, this would likely slow availability
and adoption of the standard significantly.
We should move the scoping section up in the document and talk
about the current_instance/include approach in that section, but
not specify anything more for inheritance.
Thanks,
Mark
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