Subject: [sv-cc] Draft 5 Changes Review Request: Part-Select
From: Duncan, Ralph (ralph_duncan@mentorg.com)
Date: Wed Feb 25 2004 - 10:30:02 PST
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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