[sv-bc] RE: functional if statement

I don't see the connection between this and standards work, but I'll answer anyway.
What you probably want is
dout <= enable ? din : dout;

Shalom

________________________________
From: owner-sv-bc@server.eda.org [mailto:owner-sv-bc@server.eda.org] On Behalf Of Kapil Kaushik
Sent: Tuesday, December 09, 2008 1:05 PM
To: sv-ac@server.eda.org; sv-bc@server.eda.org; sv-ec@server.eda.org
Cc: Satyakam Sudershan
Subject: [sv-bc] functional if statement


Hi,



I have the following piece of rtl:



always @(posedge ck54 or negedge p_rst_x) begin

    if (~p_rst_x)

      dout <= 3'd0;

    else

      dout <= func( enable, din);

      // if (enable)      // Works fine

        // dout = din;   // Works fine

      end



      function    func;

  input     enable;

  input din;

  reg temp;



    begin

      if (enable)

        temp = din;

      func = temp;            // Latch inferred



    end

  endfunction



Given the above description, can I replace the command "dout <= func(enable,din)" by "dout <= enable ? din : 1'bx"?

Kindly suggest.



Thanks,

Kapil

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