Re: errata/619: PROPOSAL - What is the width of a range with z and x's in the bounds?

From: Shalom Bresticker (Shalom.Bresticker@freescale.com)
Date: Sun Feb 06 2005 - 23:30:00 PST

  • Next message: brad.pierce@synopsys.com: "errata/619: PROPOSAL - What is the width of a range with z and x's in the bounds?"

    The following reply was made to PR errata/619; it has been noted by GNATS.

    From: Shalom Bresticker <Shalom.Bresticker@freescale.com>
    To: brad.pierce@synopsys.com
    Cc: etf-bugs@boyd.com
    Subject: Re: errata/619: PROPOSAL - What is the width of a range with z and x's
     in the bounds?
    Date: Mon, 07 Feb 2005 09:38:03 +0200

     Friendly amendment proposal:
     
     As long as we are already touching this text, let us make the language of 3.9 similar to that of 3.3.1.
     Specifically, I propose:
     
     In 3.9, REPLACE
     
      "The value of the constant expression can be a positive integer, a negative integer or zero."
     
     WITH
     
      "The constant expressions may be any integer values -- positive, negative or zero. It shall be illegal for them to contain any unknown (x) or high-impedance bits."
     
     Shalom
     
     
     brad.pierce@synopsys.com wrote:
     
    > In 3.3.1, REPLACE
    >
    > "The msb and lsb constant expressions may be any integer value -- positive, negative or zero."
    >
    > WITH
    >
    > "The msb and lsb constant expressions may be any integer values -- positive, negative or zero. It shall be illegal for them to contain any unknown (x) or high-impedance bits."
    >
    > In 3.9, REPLACE
    >
    > "The value of the constant expression can be a positive integer, a negative integer or zero."
    >
    > WITH
    >
    > "The value of the constant expression can be a positive integer, a negative integer or zero. It shall be illegal for it to contain any unknown (x) or high-impedance bits."
    >
    >
    > http://boydtechinc.com/cgi-bin/issueproposal.pl?cmd=view&database=default&pr=619
     
     --
     Shalom Bresticker Shalom.Bresticker @freescale.com
     Design & Verification Methodology Tel: +972 9 9522268
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