errata/486: PROPOSAL - 12.3.3: Implicit nets are not necessarily unsigned

From: brad.pierce@synopsys.com
Date: Sat Feb 05 2005 - 12:45:25 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?"

    In 12.3.3, REPLACE

    Implicit nets shall be considered unsigned. Nets connected to ports without an explicit net declaration shall
    be considered unsigned, unless the port is declared as signed.

    WITH

    Nets connected to ports without an explicit net declaration shall be considered unsigned, unless the port is declared as signed. Other implicit nets (see 3.5) shall be considered unsigned.

    and REPLACE

    input [7:0] a; // no explicit declaration - net is unsigned

    WITH

    input [7:0] a; // no explicit net declaration - net is unsigned

    and REPLACE

    output [7:0] e; // no explicit declaration - net is unsigned

    WITH

    output [7:0] e; // no explicit net declaration - net is unsigned

    http://boydtechinc.com/cgi-bin/issueproposal.pl?cmd=view&database=default&pr=486

    This archive was generated by hypermail 2.1.4 : Sat Feb 05 2005 - 12:45:41 PST and
    sponsored by Boyd Technology, Inc.