/******************************************************************************/ 
/*                                                                            */ 
/* Copyright (c) 1999 Sun Microsystems, Inc. All rights reserved.             */ 
/*                                                                            */ 
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/******************************************************************************/ 
/***************************************************************************
****************************************************************************
***
***  Program File:  @(#)column78.v
***
****************************************************************************
****************************************************************************/

//  @(#)column78.v	1.1  4/8/92
//
// **************************************************************
//  column78 -- 2 to 2 compression for column 78.
// **************************************************************


module column78  (
		    sum,		// compressed sum
		    carry,		// compressed carry
		    cin1,		// non-ripple carry-in
		    x,			// multiplicand
		    y			// multiplier
		    );
	//prop CELLCLASS "MODULE"
	//prop GENERATOR "DataPath"
	//prop TERMPLACE "BIT"

    output sum;
	//prop TERMPLACE "BOT"
    output carry;
	//prop TERMPLACE "BOT"
    input  cin1;
	//prop TERMPLACE "RIGHT"
    input  [1:0] x;
	//prop TERMPLACE "TOP"
    input  [27:26] y;
	//prop TERMPLACE "LEFT"

    wire  [27:26] p;		// partial products
    wire  cin1;

    pproduct_2 pM (
	    p[27:26],
	    x[1:0],
	    y[27:26]
	    );
	    //prop TERMPLACE "POS=19"

    add2 aM  (
	    sum,
	    carry,
	    p[26],
	    p[27],
	    cin1
	    );
	    //prop TERMPLACE "POS=19"

endmodule