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// ========== Copyright Header Begin ==========================================
//
// OpenSPARC T1 Processor File: fpu_in2_gt_in1_2b.v
// Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
// DO NOT ALTER OR REMOVE COPYRIGHT NOTICES.
//
// The above named program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public
// License version 2 as published by the Free Software Foundation.
//
// The above named program is distributed in the hope that it will be
// useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public
// License along with this work; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
//
// ========== Copyright Header End ============================================
///////////////////////////////////////////////////////////////////////////////
//
// Two bit comparison of two inputs that can have any value.
//
///////////////////////////////////////////////////////////////////////////////
module fpu_in2_gt_in1_2b (
din1,
din2,
din2_neq_din1,
din2_gt_din1
);
input [1:0] din1; // input 1- 3 bits
input [1:0] din2; // input 2- 3 bits
output din2_neq_din1; // input 2 doesn't equal input 1
output din2_gt_din1; // input 2 is greater than input 1
wire [1:0] din2_eq_din1;
wire din2_neq_din1;
wire din2_gt_din1;
assign din2_eq_din1[1:0]= (~(din1 ^ din2));
assign din2_neq_din1= (!(&din2_eq_din1));
assign din2_gt_din1= ((!din1[1]) && din2[1])
|| (din2_eq_din1[1] && (!din1[0]) && din2[0]);
endmodule