RE: [sv-dc] RE: new version 19 for 3398 proposal.

It might be more clear to say "a bit of type logic" with "logic" in
bold-courier font.

Stu
~~~~~~~~~~~~~~~~~~~~~~~~~~~
Stuart Sutherland

Sutherland HDL, Inc.

stuart@sutherland-hdl.com

503-692-0898
www.sutherland-hdl.com

From: owner-sv-dc@eda.org [mailto:owner-sv-dc@eda.org] On Behalf Of Steven
Sharp
Sent: Tuesday, September 06, 2011 2:27 PM
To: Francoise Martinolle; Bresticker, Shalom; sv-dc@eda.org
Subject: [sv-dc] RE: new version 19 for 3398 proposal.

With "logic" in courier font as a keyword, and "bit" in normal font. This
should make clear that we aren't talking about the "bit" datatype.

From: Francoise Martinolle
Sent: Tuesday, September 06, 2011 4:52 PM
To: Steven Sharp; Bresticker, Shalom; sv-dc@eda.org
Subject: RE: new version 19 for 3398 proposal.

I think that this is exactly what we would like to convey.

I like "logic bit".

I will make up a new version with that wording.

Francoise

       '

  _____

From: Steven Sharp
Sent: Tuesday, September 06, 2011 4:41 PM
To: Francoise Martinolle; Bresticker, Shalom; sv-dc@eda.org
Subject: RE: new version 19 for 3398 proposal.

This seems like too much repetition of the existing rules, in too much
detail. After the user slogs through all that, they will think "but how are
those different from the existing rules?" and miss the point of the note.

They may miss it anyway. Why not say exactly what we are trying to point
out? Something like

NOTE - This default means that a logic bit in an unresolved user-defined
nettype will be X if it has no drivers, not Z. In a resolved nettype, the
value would be determined by the resolution function executed with an empty
array of driver values.

From: Francoise Martinolle
Sent: Tuesday, September 06, 2011 3:39 PM
To: Bresticker, Shalom; Steven Sharp; sv-dc@eda.org
Subject: RE: new version 19 for 3398 proposal.

Scott,

can we add discussion about better generalized specification for the NOTE
that covers datatypes such as logic, logic vector or unpacked datatypes with
members logic or logic vector.

We want to say something like:

NOTE-- The default value for a net of a logic based datatype that has a
user-defined nettype is X.

The LRM does not have a specific name for those logic based datatypes.
Should we rather write:

NOTE-- The default value for a net that has a user-defined nettype is X when
its datatype is either

  - logic

  - logic vector

  - unpacked array or unpacked struct recursively composed of logic or logic
vector datatype elements.

 Francoise

        '

  _____

From: owner-sv-dc@eda.org [mailto:owner-sv-dc@eda.org] On Behalf Of
Bresticker, Shalom
Sent: Tuesday, August 30, 2011 5:25 AM
To: Steven Sharp; sv-dc@eda.org
Subject: [sv-dc] RE: new version 19 for 3398 proposal.

I think Francoise's sentence would cover that.

Note that the question would also be, I think, for a structure that contains
a member of type logic (bit or vector).

In order to pass IEEE inspection, it would be easier if written as a
separate paragraph, as:

"NOTE--."

Shalom

From: Steven Sharp [mailto:sharp@cadence.com]
Sent: Tuesday, August 30, 2011 5:30 AM
To: Francoise Martinolle; Little Scott-B11206; Bresticker, Shalom;
sv-dc@eda.org
Subject: RE: new version 19 for 3398 proposal.

I think Shalom wanted it pointed out that it is x even if it is undriven, if
it has no resolution function.

From: owner-sv-dc@eda.org [mailto:owner-sv-dc@eda.org] On Behalf Of
Francoise Martinolle
Sent: Monday, August 29, 2011 9:17 PM
To: Little Scott-B11206; Bresticker, Shalom; sv-dc@eda.org
Subject: [sv-dc] RE: new version 19 for 3398 proposal.

I removed the duplication.

At the end of the paragraph describing initialization of nets, I added the
following note:

Note that the default value for a logic net of a user-defined nettype is x.

Is that sufficient?

Francoise

        '

  _____

From: Little Scott-B11206 [mailto:B11206@freescale.com]
Sent: Monday, August 29, 2011 9:08 AM
To: Francoise Martinolle; Bresticker, Shalom; sv-dc@eda.org
Subject: RE: new version 19 for 3398 proposal.

Hi Francoise:

v20 still has two change sets for 7.2.2 (bottom of pg. 5 and top of pg. 6)
where the first one is correct and the second is old and incorrect.

Was anything added to clarify the differences in initial values between a
net and a net of a user-define nettype whose type is a single logic bit?

Thanks,

Scott

From: owner-sv-dc@eda.org [mailto:owner-sv-dc@eda.org] On Behalf Of
Francoise Martinolle
Sent: Sunday, August 28, 2011 3:11 PM
To: Bresticker, Shalom; sv-dc@eda.org
Subject: [sv-dc] RE: new version 19 for 3398 proposal.

Thanks Shalom,

I uploaded version 20 which corrects these.

Francoise

       '

  _____

From: Bresticker, Shalom [mailto:shalom.bresticker@intel.com]
Sent: Sunday, August 28, 2011 5:57 AM
To: Francoise Martinolle; sv-dc@eda.org
Subject: RE: new version 19 for 3398 proposal.

Minor editorial comments:

1. 6.6: "There are different kinds of net types: built-in or
user-defined."
Add "two" before "different". I don't usually like adding numbers, but here
I think it is better.

2. In net_declaration syntax, "delay_control" should be blue, not bolded.

3. In 28.12, delete "(Resolution of nets with user-defined nettypes)."
That is not the name of subclause 6.6.7.

4. In the change to net_port_type syntax at the end of the document, the
FROM part should be black, not blue. In both FROM and TO, there should be a
blank, not an underscore, before "data_type_or_implicit".

Regards,

Shalom

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