RE: [sv-ac] [sv-ec] Mantis item 890

Thanks for the feedback, Dmitry.

I took care of your suggestions 1 and 2 in revision SV-890-8.pdf.
I can't think of a decent example for your suggestion 3.
If you can think of one, please send it to me and I can add it.

I'll let Cliff handle your feedback on part 2.

Regards,
Doug 

> -----Original Message-----
> From: owner-sv-ac@server.eda.org 
> [mailto:owner-sv-ac@server.eda.org] On Behalf Of Korchemny, Dmitry
> Sent: Wednesday, March 14, 2007 8:10 AM
> To: sv-ac@server.eda-stds.org; sv-ec@server.eda-stds.org
> Subject: [sv-ac] [sv-ec] Mantis item 890
> 
> Hi all,
> 
> I have several minor comments:
> 
> 1. Part I. Page 3: always @(negedge clk); $display(cb.v); // Drop the
> first semicolon
> 
> 2. Part I. Page 4. The following paragraph is not clear. Need an
> example.
> 
> It is possible for a drive statement to execute at a time that is not
> coincident with its clocking event. Such drive statements 
> shall execute
> without blocking, but shall perform their drive action as if they had
> executed at the time of the next clocking event. The expression on the
> right hand side of the drive statement shall be evaluated immediately,
> but the processing of the drive is delayed until the time of the next
> clocking event. 
> 
> 3. Part I. Page 4. This is clear, but an example would help:
> 
> Although synchronous drives use the same operator syntax as 
> nonblocking
> variable assignments, they are not the same. However, they do share
> certain characteristics. Like nonblocking variable assignments, a key
> feature of inout clocking variables and synchronous drives is that a
> drive does not change the clocking block input. This is 
> because reading
> the input always yields the last sampled value, and not the driven
> value. 
> 
> 4. Part II. 9.3.2.1 Preponed events region
> Sampling in the Preponed region is equivalent to sampling in the
> previous Postponed region.
> 
> This is almost true: if both of them exist.
> 
> 5. Sampling in the very first preponed region should be formally
> defined. We found it during discussions on the $sampled 
> function. It may
> be done in a different Mantis item.
> 
> Thanks,
> Dmitry
> 
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