errata/463: Re: errata/463: another sign-extension issue

From: Shalom Bresticker (Shalom.Bresticker@motorola.com)
Date: Sun Nov 16 2003 - 05:20:00 PST

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    The following reply was made to PR errata/463; it has been noted by GNATS.

    From: Shalom Bresticker <Shalom.Bresticker@motorola.com>
    To: etf-bugs@boyd.com
    Cc:
    Subject: Re: errata/463: another sign-extension issue
    Date: Sun, 16 Nov 2003 15:19:48 +0200

    > > I would like to add a new sub-section to Section 4 which brings together
    > > all the information about bit-extension, whether zero- or x/z- or
    > > sign-extension, dealing with all the cases.
    > >
    > > Currently, each case is dealt with separately, and it does not work well.
    >
    > Sections 4.4 and 4.5 are supposed to cover this information. They need some
    > work to make them more complete and clear, but this is their purpose.
     
     I can agree with that.
     
     Possibly 4.4 and 4.5 should be combined,
     due to the mutual dependence between them.
     
     (The form of bit-extension (4.4) depends on signedness (4.5) and signedness
     depends on self-determinedness (4.4).)
     
     --
     Shalom Bresticker Shalom.Bresticker@motorola.com
     Design & Reuse Methodology Tel: +972 9 9522268
     Motorola Semiconductor Israel, Ltd. Fax: +972 9 9522890
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