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Diffstat (limited to 'src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/bitwidth/bitwidth.cpp')
-rw-r--r-- | src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/bitwidth/bitwidth.cpp | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/bitwidth/bitwidth.cpp b/src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/bitwidth/bitwidth.cpp new file mode 100644 index 000000000..3dc7a1980 --- /dev/null +++ b/src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/bitwidth/bitwidth.cpp @@ -0,0 +1,97 @@ +/***************************************************************************** + + Licensed to Accellera Systems Initiative Inc. (Accellera) under one or + more contributor license agreements. See the NOTICE file distributed + with this work for additional information regarding copyright ownership. + Accellera licenses this file to you 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 + + http://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. + + *****************************************************************************/ + +/***************************************************************************** + + bitwidth.cpp -- + + Original Author: Rocco Jonack, Synopsys, Inc., 1999-12-14 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + + +#include "bitwidth.h" + +void bitwidth::entry(){ + + sc_biguint<2> tmp1; + sc_biguint<2> tmp1a; + sc_bigint<4> tmp2; + sc_bigint<4> tmp2a; + sc_biguint<6> tmp3; + sc_biguint<6> tmp3a; + sc_bigint<8> tmp4; + sc_bigint<8> tmp4a; + + // reset_loop + out_valid.write(false); + out_ack.write(false); + wait(); + + // + // main loop + // + // + while(1) { + while(in_valid.read()==false) wait(); + //reading the inputs + tmp1 = in_value1.read(); + tmp2 = in_value2.read(); + tmp3 = in_value3.read(); + tmp4 = in_value4.read(); + + //execute simple operations + // expected bitwidth 2 2 2 + tmp1a = tmp1 - tmp1; + // expected bitwidth 2 4 4 + tmp2a = tmp2 - tmp1; + // expected bitwidth 6 2 6 + tmp3a = tmp3 - tmp1; + // expected bitwidth 4 8 8 + tmp4a = tmp4 - tmp2; + + out_ack.write(true); + wait(); + out_ack.write(false); + + // write outputs + out_value1.write(tmp1a); + out_value2.write(tmp2a); + out_value3.write(tmp3a); + out_value4.write(tmp4a); + out_valid.write(true); + wait(); + out_valid.write(false); + wait(); + } +} + +// EOF + + |