blob: d414f7ce239042ffe9d13c21c05efbacc359bc33 [file] [log] [blame]
/*
* Copyright 2020 The SkyWater PDK Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
*/
specify
if ((!B&!CIN)) (A +=> COUT) = (0:0:0,0:0:0);
if ((B&CIN)) (A +=> COUT) = (0:0:0,0:0:0);
if ((!A&!CIN)) (B +=> COUT) = (0:0:0,0:0:0);
if ((A&CIN)) (B +=> COUT) = (0:0:0,0:0:0);
if ((!A&B)) (CIN -=> COUT) = (0:0:0,0:0:0);
if ((A&!B)) (CIN -=> COUT) = (0:0:0,0:0:0);
if ((!B&!CIN)) (A -=> SUM) = (0:0:0,0:0:0);
if ((!B&CIN)) (A +=> SUM) = (0:0:0,0:0:0);
if ((B&!CIN)) (A +=> SUM) = (0:0:0,0:0:0);
if ((B&CIN)) (A -=> SUM) = (0:0:0,0:0:0);
if ((!A&!CIN)) (B -=> SUM) = (0:0:0,0:0:0);
if ((!A&CIN)) (B +=> SUM) = (0:0:0,0:0:0);
if ((A&!CIN)) (B +=> SUM) = (0:0:0,0:0:0);
if ((A&CIN)) (B -=> SUM) = (0:0:0,0:0:0);
if ((!A&!B)) (CIN -=> SUM) = (0:0:0,0:0:0);
if ((!A&B)) (CIN +=> SUM) = (0:0:0,0:0:0);
if ((A&!B)) (CIN +=> SUM) = (0:0:0,0:0:0);
if ((A&B)) (CIN -=> SUM) = (0:0:0,0:0:0);
endspecify