[sv-ac] RE: 2804 proposal uploaded

Hi

I agree with this statement. I would add a clarification that the tool is required to detect dependency only in the scope to which the always procedure belongs. Also, addressing clock inference of the form @clk in checkers or when clk is a clocking block event is not covered by this statement.

Thanks,
Dmitry

From: owner-sv-ac@eda.org [mailto:owner-sv-ac@eda.org] On Behalf Of Seligman, Erik
Sent: Wednesday, June 02, 2010 6:11 PM
To: Eduard Cerny
Cc: sv-ac@server.eda.org
Subject: [sv-ac] RE: 2804 proposal uploaded

Hi guys-Ed has a suggestion that rather than the ugly list of categories for exempting a signal appearance for clock inference, we do something like this:

No term in expression1 appears anywhere else in the body of the procedure in such a way as to affect the state of the variables assigned in the procedure, other than as an event control.

What do you think? Would this work?

From: Eduard Cerny [mailto:Eduard.Cerny@synopsys.com]
Sent: Wednesday, June 02, 2010 8:07 AM
To: Seligman, Erik
Subject: RE: 2804 proposal uploaded

Hi Erik,

the first part is just the tail of your sentence starting from task instance. But If we use the 2nd form that part would not be needed. Perhaps the 2nd point could be modified to say "not affect other than by the even control"?

best...
ed

From: Seligman, Erik [mailto:erik.seligman@intel.com]
Sent: Wednesday, June 02, 2010 10:36 AM
To: Eduard Cerny; Korchemny, Dmitry
Subject: RE: 2804 proposal uploaded

I'm not sure I understand your first point-can you re-specify the full sentence as you would change it?

For the second point, I don't think your rephrasing would work... wouldn't the use as a clock within the procedure potentially affect the state of variables?

From: Eduard Cerny [mailto:Eduard.Cerny@synopsys.com]
Sent: Wednesday, June 02, 2010 6:24 AM
To: Seligman, Erik; Korchemny, Dmitry
Cc: Eduard Cerny
Subject: RE: 2804 proposal uploaded

Hi Erik

regarding
task instantiation, or system function or task.

should it be the actual arguments to a task, system function or system task call?

Still, what about:

No term in expression1 appears anywhere else in the body of the procedure in such a way as to affect the state of the variables assigned in the procedure.

best regards,
ed

From: owner-sv-ac@eda.org [mailto:owner-sv-ac@eda.org] On Behalf Of Seligman, Erik
Sent: Tuesday, June 01, 2010 6:03 PM
To: Korchemny, Dmitry; sv-ac@server.eda.org
Subject: [sv-ac] 2804 proposal uploaded

Hi guys-I have uploaded a new proposal at http://www.verilog.org/mantis/view.php?id=2804, which I think captures the results of this morning's discussion. Please take a look & comment if further changes are needed.

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