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/*
* Copyright (c) 2016 The University of Virginia
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <cstdint>
#include <limits>
#include "insttest.h"
#include "rv64m.h"
int main()
{
using namespace std;
using namespace insttest;
// MUL
expect<int64_t>(39285, []{return M::mul(873, 45);}, "mul");
expect<int64_t>(0, []{return M::mul(0x4000000000000000LL, 4);},
"mul, overflow");
// MULH
expect<int64_t>(1, []{return M::mulh(0x4000000000000000LL, 4);}, "mulh");
expect<int64_t>(-1, []{return M::mulh(numeric_limits<int64_t>::min(), 2);},
"mulh, negative");
expect<int64_t>(0, []{return M::mulh(-1, -1);}, "mulh, all bits set");
// MULHSU
expect<int64_t>(-1, []{return M::mulhsu(-1, -1);}, "mulhsu, all bits set");
expect<int64_t>(-1,
[]{return M::mulhsu(numeric_limits<int64_t>::min(), 2);},\
"mulhsu");
// MULHU
expect<uint64_t>(1, []{return M::mulhu(0x8000000000000000ULL, 2);},
"mulhu");
expect<uint64_t>(0xFFFFFFFFFFFFFFFEULL, []{return M::mulhu(-1, -1);},
"mulhu, all bits set");
// DIV
expect<int64_t>(-7, []{return M::div(-59, 8);}, "div");
expect<int64_t>(-1, []{return M::div(255, 0);}, "div/0");
expect<int64_t>(numeric_limits<int64_t>::min(),
[]{return M::div(numeric_limits<int64_t>::min(), -1);},
"div, overflow");
// DIVU
expect<uint64_t>(2305843009213693944LL, []{return M::divu(-59, 8);},
"divu");
expect<uint64_t>(numeric_limits<uint64_t>::max(),
[]{return M::divu(255, 0);}, "divu/0");
expect<uint64_t>(0,
[]{return M::divu(numeric_limits<uint64_t>::min(), -1);},
"divu, \"overflow\"");
// REM
expect<int64_t>(-3, []{return M::rem(-59, 8);}, "rem");
expect<int64_t>(255, []{return M::rem(255, 0);}, "rem/0");
expect<int64_t>(0, []{return M::rem(numeric_limits<int64_t>::min(), -1);},
"rem, overflow");
// REMU
expect<uint64_t>(5, []{return M::remu(-59, 8);}, "remu");
expect<uint64_t>(255, []{return M::remu(255, 0);}, "remu/0");
expect<uint64_t>(0x8000000000000000ULL,
[]{return M::remu(0x8000000000000000ULL, -1);},
"remu, \"overflow\"");
// MULW
expect<int64_t>(-100,
[]{return M::mulw(0x7FFFFFFF00000005LL, 0x80000000FFFFFFECLL);},
"mulw, truncate");
expect<int64_t>(0, []{return M::mulw(0x40000000, 4);}, "mulw, overflow");
// DIVW
expect<int64_t>(-7,
[]{return M::divw(0x7FFFFFFFFFFFFFC5LL, 0xFFFFFFFF00000008LL);},
"divw, truncate");
expect<int64_t>(-1, []{return M::divw(65535, 0);}, "divw/0");
expect<int64_t>(numeric_limits<int32_t>::min(),
[]{return M::divw(numeric_limits<int32_t>::min(), -1);},
"divw, overflow");
// DIVUW
expect<int64_t>(536870904,
[]{return M::divuw(0x7FFFFFFFFFFFFFC5LL, 0xFFFFFFFF00000008LL);},
"divuw, truncate");
expect<int64_t>(numeric_limits<uint64_t>::max(),
[]{return M::divuw(65535, 0);}, "divuw/0");
expect<int64_t>(0,
[]{return M::divuw(numeric_limits<int32_t>::min(), -1);},
"divuw, \"overflow\"");
expect<int64_t>(-1,
[]{return M::divuw(numeric_limits<uint32_t>::max(), 1);},
"divuw, sign extend");
// REMW
expect<int64_t>(-3,
[]{return M::remw(0x7FFFFFFFFFFFFFC5LL, 0xFFFFFFFF00000008LL);},
"remw, truncate");
expect<int64_t>(65535, []{return M::remw(65535, 0);}, "remw/0");
expect<int64_t>(0, []{return M::remw(numeric_limits<int32_t>::min(), -1);},
"remw, overflow");
// REMUW
expect<int64_t>(5,
[]{return M::remuw(0x7FFFFFFFFFFFFFC5LL, 0xFFFFFFFF00000008LL);},
"remuw, truncate");
expect<int64_t>(65535, []{return M::remuw(65535, 0);}, "remuw/0");
expect<int64_t>(numeric_limits<int32_t>::min(),
[]{return M::remuw(numeric_limits<int32_t>::min(), -1);},
"remuw, \"overflow\"");
expect<int64_t>(0xFFFFFFFF80000000,
[]{return M::remuw(0x80000000, 0xFFFFFFFF);},
"remuw, sign extend");
return 0;
}