diff options
Diffstat (limited to 'src/systemc/tests/systemc/misc/stars/star130782')
-rw-r--r-- | src/systemc/tests/systemc/misc/stars/star130782/golden/test.log | 16 | ||||
-rw-r--r-- | src/systemc/tests/systemc/misc/stars/star130782/test.cpp | 138 |
2 files changed, 154 insertions, 0 deletions
diff --git a/src/systemc/tests/systemc/misc/stars/star130782/golden/test.log b/src/systemc/tests/systemc/misc/stars/star130782/golden/test.log new file mode 100644 index 000000000..d6cee7b36 --- /dev/null +++ b/src/systemc/tests/systemc/misc/stars/star130782/golden/test.log @@ -0,0 +1,16 @@ +SystemC Simulation +A = 0x000000000000000000000000000000000 +Y = 0x000000000000000000000000000000000 + +A = 0x0ffffffffffffffffffffffffffffffff +B = 00000 +Y = 0x0ffffffffffffffffffffffffffffffff + +A = 0x000000000000000000000000000000000 +B = 00000 +Y = 0x000000000000000000000000000000000 + +A = 0x000000000000000000000000000000000 +B = 00000 +Y = 0x000000000000000000000000000000000 + diff --git a/src/systemc/tests/systemc/misc/stars/star130782/test.cpp b/src/systemc/tests/systemc/misc/stars/star130782/test.cpp new file mode 100644 index 000000000..8d28c00bc --- /dev/null +++ b/src/systemc/tests/systemc/misc/stars/star130782/test.cpp @@ -0,0 +1,138 @@ +/***************************************************************************** + + 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. + + *****************************************************************************/ + +/***************************************************************************** + + test.cpp -- + + Original Author: Martin Janssen, Synopsys, Inc., 2002-02-15 + + *****************************************************************************/ + +/***************************************************************************** + + MODIFICATION LOG - modifiers, enter your name, affiliation, date and + changes you are making here. + + Name, Affiliation, Date: + Description of Modification: + + *****************************************************************************/ + +/* +Subject: range() of sc_biguint +From: "Masahiro Taniguchi" <taniguchi.masahiro@lsi.melco.co.jp> +Date: Mon, 12 Nov 2001 16:29:04 +0900 +To: "systemc-forum" <systemc-forum@systemc.org> + +Hi all, + +I found a strange simulation result regarding sc_biguint. +I attached the example about it. +The example described 3 case. + 1. Write non-0 + 2. Write 0 without cast + 3. Write 0 with cast (sc_biguint<8>) +The wrong result appears in the 2nd case. +Is this a bug of SystemC? + +-------Environment------- + SystemC V1.0.2 and V2.0 + GCC 2.95.2 + Sun Solaris +------------------------- + +Regards, + +Masahiro Taniguchi +Mitsubishi Electric Corporation +JAPAN + +------------------------------------------------------------ +*/ + +#include "systemc.h" + +int +sc_main( int, char*[] ) +{ + int i; + int index0,index1; + sc_biguint<128> A; + sc_uint<16> B; + sc_biguint<128> Y; + + A = 0; + Y = 0; + cout << "A = " << A.to_string(SC_HEX) << endl; + cout << "Y = " << Y.to_string(SC_HEX) << endl << endl; + + // 1st Case + A = "0xffffffffffffffffffffffffffffffff"; + B = 0; + + for(i=15;i>=0;i--) + { + index0 = 8*(i+1)-1; + index1 = 8* i; + if(B[i] == 0) { + Y.range(index0,index1) = A.range(index0,index1); + } + } + + cout << "A = " << A.to_string(SC_HEX) << endl; + cout << "B = " << hex << B << endl; + cout << "Y = " << Y.to_string(SC_HEX) << endl << endl; + + // 2nd Case + A = 0; + B = 0; + + for(i=15;i>=0;i--) + { + index0 = 8*(i+1)-1; + index1 = 8* i; + if(B[i] == 0) { + Y.range(index0,index1) = A.range(index0,index1); + } + } + + cout << "A = " << A.to_string(SC_HEX) << endl; + cout << "B = " << hex << B << endl; + cout << "Y = " << Y.to_string(SC_HEX) << endl << endl; + + // 3rd Case + A = 0; + B = 0; + + for(i=15;i>=0;i--) + { + index0 = 8*(i+1)-1; + index1 = 8* i; + if(B[i] == 0) { + Y.range(index0,index1) = (sc_biguint<8>)A.range(index0,index1); + } + } + + cout << "A = " << A.to_string(SC_HEX) << endl; + cout << "B = " << hex << B << endl; + cout << "Y = " << Y.to_string(SC_HEX) << endl << endl; + + return(0); +} |