112855Sgabeblack@google.com/*****************************************************************************
212855Sgabeblack@google.com
312855Sgabeblack@google.com  Licensed to Accellera Systems Initiative Inc. (Accellera) under one or
412855Sgabeblack@google.com  more contributor license agreements.  See the NOTICE file distributed
512855Sgabeblack@google.com  with this work for additional information regarding copyright ownership.
612855Sgabeblack@google.com  Accellera licenses this file to you under the Apache License, Version 2.0
712855Sgabeblack@google.com  (the "License"); you may not use this file except in compliance with the
812855Sgabeblack@google.com  License.  You may obtain a copy of the License at
912855Sgabeblack@google.com
1012855Sgabeblack@google.com    http://www.apache.org/licenses/LICENSE-2.0
1112855Sgabeblack@google.com
1212855Sgabeblack@google.com  Unless required by applicable law or agreed to in writing, software
1312855Sgabeblack@google.com  distributed under the License is distributed on an "AS IS" BASIS,
1412855Sgabeblack@google.com  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
1512855Sgabeblack@google.com  implied.  See the License for the specific language governing
1612855Sgabeblack@google.com  permissions and limitations under the License.
1712855Sgabeblack@google.com
1812855Sgabeblack@google.com *****************************************************************************/
1912855Sgabeblack@google.com
2012855Sgabeblack@google.com/*****************************************************************************
2112855Sgabeblack@google.com
2212855Sgabeblack@google.com  switch5.cpp --
2312855Sgabeblack@google.com
2412855Sgabeblack@google.com  Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15
2512855Sgabeblack@google.com
2612855Sgabeblack@google.com *****************************************************************************/
2712855Sgabeblack@google.com
2812855Sgabeblack@google.com/*****************************************************************************
2912855Sgabeblack@google.com
3012855Sgabeblack@google.com  MODIFICATION LOG - modifiers, enter your name, affiliation, date and
3112855Sgabeblack@google.com  changes you are making here.
3212855Sgabeblack@google.com
3312855Sgabeblack@google.com      Name, Affiliation, Date:
3412855Sgabeblack@google.com  Description of Modification:
3512855Sgabeblack@google.com
3612855Sgabeblack@google.com *****************************************************************************/
3712855Sgabeblack@google.com
3812855Sgabeblack@google.com#include "systemc.h"
3912855Sgabeblack@google.comunsigned short
4012855Sgabeblack@google.comselect( unsigned a, unsigned b, unsigned c )
4112855Sgabeblack@google.com{
4212855Sgabeblack@google.com    sc_unsigned x(7);
4312855Sgabeblack@google.com    sc_unsigned y(9);
4412855Sgabeblack@google.com
4512855Sgabeblack@google.com    switch ((c >> 2) & 3) {
4612855Sgabeblack@google.com    case 0:
4712855Sgabeblack@google.com        x = a + b;
4812855Sgabeblack@google.com        return x.to_uint();
4912855Sgabeblack@google.com    case 1:
5012855Sgabeblack@google.com        x = a - b;
5112855Sgabeblack@google.com        break;
5212855Sgabeblack@google.com    case 2:
5312855Sgabeblack@google.com        x = (a >> 16) + (b << 16);
5412855Sgabeblack@google.com        return x.to_uint();
5512855Sgabeblack@google.com    case 3:
5612855Sgabeblack@google.com        x = (a << 16) - (b >> 16);
5712855Sgabeblack@google.com        break;
5812855Sgabeblack@google.com    }
5912855Sgabeblack@google.com
6012855Sgabeblack@google.com    y = 2 * x;
6112855Sgabeblack@google.com    return y.to_uint();
6212855Sgabeblack@google.com}
6312855Sgabeblack@google.com
6412855Sgabeblack@google.comint
6512855Sgabeblack@google.comsc_main( int, char** argv )
6612855Sgabeblack@google.com{
6712855Sgabeblack@google.com    return 0;
6812855Sgabeblack@google.com}
69