RE: [sv-bc] E-mal Vote: Respond by 8am PDT, Sunday Sep 30, 2007

From: Alsop, Thomas R <thomas.r.alsop_at_.....>
Date: Mon Sep 24 2007 - 16:30:56 PDT
Shalom,

I don't see a lot of difference in the way that I have worded this
proposal and what you are changing it to now.  Let's see if anyone else
has an issue with how I have worded it, or if we believe your wording
more clearly states the semantics, and if so make a friendly amendment
during the next meeting. Thanks, -Tom

Here is my wording for reference:
The always_latch procedure is identical to the always_comb, except that
software tools will check for design intent.  Therefore all statements
in 9.2.2.2 apply to always_latch. 

The key difference between these procedures is design intent which
allows software tools to perform additional checks for cases where
combinational logic is found within always_latch or likewise for cases
where latching logic is found within always_comb.  


-----Original Message-----
From: owner-sv-bc@server.eda.org [mailto:owner-sv-bc@server.eda.org] On
Behalf Of Bresticker, Shalom
Sent: Monday, September 24, 2007 3:17 AM
To: Bresticker, Shalom; Maidment, Matthew R; sv-bc@server.eda.org
Subject: RE: [sv-bc] E-mal Vote: Respond by 8am PDT, Sunday Sep 30, 2007

Or, much more simply: 

The always_latch procedure is almost identical to the always_comb
procedure.
All statements in 9.2.2.2 shall apply to always_latch as well. The
exception is that
software tools may perform additional checks to warn if the behavior in
an always_latch procedure does not represent latched logic, whereas in
an always_comb procedure, they may check and warn if the behavior does
not represent 
combinational logic.

Shalom


> -----Original Message-----
> From: owner-sv-bc@server.eda.org 
> [mailto:owner-sv-bc@server.eda.org] On Behalf Of Bresticker, Shalom
> Sent: Monday, September 24, 2007 11:44 AM
> To: Maidment, Matthew R; sv-bc@server.eda.org
> Subject: RE: [sv-bc] E-mal Vote: Respond by 8am PDT, Sunday 
> Sep 30, 2007
> 
> Regarding 1468 (always_latch), I propose the following wording: 
> 
> The always_latch procedure is identical to the always_comb procedure.
> Therefore, all statements in 9.2.2.2 apply to always_latch as 
> well. The exception is with respect to design intent. 
> always_latch is intended to model latched logic, whereas 
> always_comb is intended to model combinational logic. 
> Therefore software tools may perform additional checks to 
> warn if the behavior in an always_latch procedure does not 
> represent latched logic, whereas in an always_comb procedure, 
> they may check and warn if the behavior does not represent 
> combinational logic.
> 
> Shalom
> 
> 
> > -----Original Message-----
> > From: owner-sv-bc@server.eda.org
> > [mailto:owner-sv-bc@server.eda.org] On Behalf Of Maidment, Matthew R
> > Sent: Friday, September 21, 2007 9:53 PM
> > To: sv-bc@server.eda.org
> > Subject: [sv-bc] E-mal Vote: Respond by 8am PDT, Sunday Sep 30, 2007
> > 
> > 
> > -You have until 8am PDT, Sunday, September 30, 2007 to respond -An 
> > issue passes if there are zero NO votes and half of the eligible  
> > voters respond with a YES vote.
> > -If you vote NO on any issue, your vote must be accompanied by a 
> > reason.
> >  The issue will then be up for discussion during a future 
> conference 
> > call.
> > -Note: For some issues, the proposed action is captured in the bug 
> > note
> >        (resolve as duplicate, already addressed, etc.). 
> > 
> > As of the September 17, 2007 meeting, the eligible voters are:
> > 
> > Brad Pierce        
> > Shalom Bresticker  
> > Cliff Cummings     
> > Surrendra Dudani   
> > Mark Hartoog        
> > Francoise Martinolle
> > Karen Pieper       
> > Dave Rich          
> > Steven Sharp       
> > Gordon Vreugdenhil
> > Stu Sutherland
> > Alex Gran
> > Don Mills
> > Heath Chambers
> > Tom Alsop
> > 
> > SVDB  699 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=699
> > 
> > SVDB  907 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=907
> > 
> > SVDB 1035 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1035
> > 
> > SVDB 1228 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1228
> > 
> > SVDB 1425 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1425
> > 
> > SVDB 1468 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1468
> > 
> > SVDB 1710 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1710
> > 
> > SVDB 1747 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1747
> > 
> > SVDB 1846 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1846
> > 
> > SVDB 1940 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1940
> > 
> > SVDB 1949 ___Yes   ___No  
> > http://www.eda.org/svdb/view.php?id=1949
> > 
> > --
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Received on Mon Sep 24 16:31:20 2007

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