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Diffstat (limited to 'src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/subtract/subtract.cpp')
| -rw-r--r-- | src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/subtract/subtract.cpp | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/subtract/subtract.cpp b/src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/subtract/subtract.cpp new file mode 100644 index 000000000..a3fc5ee4b --- /dev/null +++ b/src/systemc/tests/systemc/misc/cae_test/general/arith/subtract/subtract/subtract.cpp @@ -0,0 +1,166 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + subtract.cpp -- + + Original Author: Rocco Jonack, Synopsys, Inc., 1999-07-30 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + + +#include "subtract.h" + +void subtraction::entry(){ + + int tmp1; + sc_bigint<4> tmp2; + sc_biguint<4> tmp3; + sc_bigint<8> tmp4; + sc_biguint<8> tmp5; + + // reset_loop + if (reset.read() == true) { + out_valid.write(false); + wait(); + } else wait(); + + // + // main loop + // + // + while(1) { + while(in_valid.read()==false) wait(); + wait(); + + //reading the inputs + tmp1 = in_value1.read(); + tmp2 = in_value2.read(); + tmp3 = in_value3.read(); + tmp4 = in_value4.read(); + tmp5 = in_value5.read(); + + //execute operations + tmp1 = tmp1 - 1; + tmp2 = tmp2 - 1; + tmp3 = tmp3 - 1; + tmp4 = tmp4 - 1; + tmp5 = tmp5 - 1; + wait(); + + // write outputs + out_value1.write(tmp1); + out_value2.write(tmp2); + out_value3.write(tmp3); + out_value4.write(tmp4); + out_value5.write(tmp5); + out_valid.write(true); + wait(); + out_valid.write(false); + wait(); + // write outputs + out_value1.write(tmp1--); + out_value2.write(tmp2--); + out_value3.write(tmp3--); + out_value4.write(tmp4--); + out_value5.write(tmp5--); + out_valid.write(true); + wait(); + out_valid.write(false); + wait(); + // write outputs + out_value1.write(--tmp1); + out_value2.write(--tmp2); + out_value3.write(--tmp3); + out_value4.write(--tmp4); + out_value5.write(--tmp5); + out_valid.write(true); + wait(); + out_valid.write(false); + wait(); + //execute operations + tmp1 = tmp1 - 254; + tmp2 = tmp2 - 14; + tmp3 = tmp3 - 14; + tmp4 = tmp4 - 254; + tmp5 = tmp5 - 254; + wait(); + + // write outputs + out_value1.write(tmp1); + out_value2.write(tmp2); + out_value3.write(tmp3); + out_value4.write(tmp4); + out_value5.write(tmp5); + out_valid.write(true); + wait(); + out_valid.write(false); + wait(); + //execute operations + tmp1 -= 254; + tmp2 -= 14; + tmp3 -= 14; + tmp4 -= 254; + tmp5 -= 254; + wait(); + + // write outputs + out_value1.write(tmp1); + out_value2.write(tmp2); + out_value3.write(tmp3); + out_value4.write(tmp4); + out_value5.write(tmp5); + out_valid.write(true); + wait(); + out_valid.write(false); + wait(); + //execute operations with signed and unsigned mix and mixed bit width + tmp1 = (tmp3 - tmp2).to_int(); + tmp2 = tmp2 - tmp4; + tmp3 = tmp3 - tmp5; + tmp4 = tmp4 - tmp5; + tmp5 = tmp4 - tmp5; + wait(); + + // write outputs + out_value1.write(tmp1); + out_value2.write(tmp2); + out_value3.write(tmp3); + out_value4.write(tmp4); + out_value5.write(tmp5); + out_valid.write(true); + wait(); + out_valid.write(false); + wait(); + } +} + +// EOF + |