Subject: [sv-cc] RE: Draft 5 Changes Review Request: Part-Select
From: David W. Smith (dwsmith@synopsys.com)
Date: Wed Feb 25 2004 - 16:00:50 PST
Greetings,
LRM-277 has been created. Can Ralph please do a verification of the change (today if at all possible).
Regards
David
-----Original Message-----
From: Swapnajit Mittra [mailto:mittra@juno.com]
Sent: Wednesday, February 25, 2004 10:53 AM
To: David.Smith@Synopsys.COM
Cc: sv-cc@eda.org
Subject: Draft 5 Changes Review Request: Part-Select
David,
Please add this to the errata list for Draft 5. Sorry
for the delay.
-- Swapnajit Mittra Project VeriPage ::: http://www.angelfire.com/ca/verilog---------- Forwarded Message ---------- Swapnajit,
We propose a change to the LRM sections pertaining to part-select operations on packed 2 and 4-state vectors.
This change: . appears in C code comment text for file SVDPI.H . appears in both LRM Sections: E.10.3.2 and F.1.
The change consists of adding the following comment text:
"In part select operations, the data is copied to or from the canonical representation part ('chunk') designated by range [w-1:0] and the implementation representation part designated by range [w+i-1:i]."
The entire comment section would now appear as shown below. /* * functions for part select * * a narrow (<=32 bits) part select is copied between * the implementation representation and a single chunk of * canonical representation * Normalized ranges and indexing [n-1:0] are used for both arrays: * the array in the implementation representation and the canonical array. * * s=source, d=destination, i=starting bit index, w=width * like for variable part selects; limitations: w <= 32. * In part select operations, the data is copied to or from the * canonical representation part ('chunk') designated by range [w-1:0] * and the implementation representation part designated by range [w+i-1:i]. */
In accord with your earlier email, please forward this request to the "LRM editors" at your convenience.
Ralph Duncan Mentor Graphics
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