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llvm-project/compiler-rt/test/Unit/muloti4_test.c

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//===-- muloti4_test.c - Test __muloti4 -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __muloti3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#if __x86_64
#include "int_lib.h"
#include <stdio.h>
// Returns: a * b
// Effects: sets overflow if a * b overflows
ti_int __muloti4(ti_int a, ti_int b, int *overflow);
int test__muloti4(ti_int a, ti_int b, ti_int expected, int expected_overflow)
{
int ov;
ti_int x = __muloti4(a, b, &ov);
if (ov != expected_overflow) {
twords at;
at.all = a;
twords bt;
bt.all = b;
twords xt;
xt.all = x;
twords expectedt;
expectedt.all = expected;
printf("error in __muloti4: overflow=%d expected=%d\n",
ov, expected_overflow);
printf("error in __muloti4: 0x%.16llX%.16llX * 0x%.16llX%.16llX = "
"0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low,
expectedt.s.high, expectedt.s.low);
return 1;
}
else if (!expected_overflow && x != expected)
{
twords at;
at.all = a;
twords bt;
bt.all = b;
twords xt;
xt.all = x;
twords expectedt;
expectedt.all = expected;
printf("error in __muloti4: 0x%.16llX%.16llX * 0x%.16llX%.16llX = "
"0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
at.s.high, at.s.low, bt.s.high, bt.s.low, xt.s.high, xt.s.low,
expectedt.s.high, expectedt.s.low);
return 1;
}
return 0;
}
#endif
int main()
{
#if __x86_64
if (test__muloti4(0, 0, 0, 0))
return 1;
if (test__muloti4(0, 1, 0, 0))
return 1;
if (test__muloti4(1, 0, 0, 0))
return 1;
if (test__muloti4(0, 10, 0, 0))
return 1;
if (test__muloti4(10, 0, 0, 0))
return 1;
if (test__muloti4(0, 81985529216486895LL, 0, 0))
return 1;
if (test__muloti4(81985529216486895LL, 0, 0, 0))
return 1;
if (test__muloti4(0, -1, 0, 0))
return 1;
if (test__muloti4(-1, 0, 0, 0))
return 1;
if (test__muloti4(0, -10, 0, 0))
return 1;
if (test__muloti4(-10, 0, 0, 0))
return 1;
if (test__muloti4(0, -81985529216486895LL, 0, 0))
return 1;
if (test__muloti4(-81985529216486895LL, 0, 0, 0))
return 1;
if (test__muloti4(1, 1, 1, 0))
return 1;
if (test__muloti4(1, 10, 10, 0))
return 1;
if (test__muloti4(10, 1, 10, 0))
return 1;
if (test__muloti4(1, 81985529216486895LL, 81985529216486895LL, 0))
return 1;
if (test__muloti4(81985529216486895LL, 1, 81985529216486895LL, 0))
return 1;
if (test__muloti4(1, -1, -1, 0))
return 1;
if (test__muloti4(1, -10, -10, 0))
return 1;
if (test__muloti4(-10, 1, -10, 0))
return 1;
if (test__muloti4(1, -81985529216486895LL, -81985529216486895LL, 0))
return 1;
if (test__muloti4(-81985529216486895LL, 1, -81985529216486895LL, 0))
return 1;
if (test__muloti4(3037000499LL, 3037000499LL, 9223372030926249001LL, 0))
return 1;
if (test__muloti4(-3037000499LL, 3037000499LL, -9223372030926249001LL, 0))
return 1;
if (test__muloti4(3037000499LL, -3037000499LL, -9223372030926249001LL, 0))
return 1;
if (test__muloti4(-3037000499LL, -3037000499LL, 9223372030926249001LL, 0))
return 1;
if (test__muloti4(4398046511103LL, 2097152LL, 9223372036852678656LL, 0))
return 1;
if (test__muloti4(-4398046511103LL, 2097152LL, -9223372036852678656LL, 0))
return 1;
if (test__muloti4(4398046511103LL, -2097152LL, -9223372036852678656LL, 0))
return 1;
if (test__muloti4(-4398046511103LL, -2097152LL, 9223372036852678656LL, 0))
return 1;
if (test__muloti4(2097152LL, 4398046511103LL, 9223372036852678656LL, 0))
return 1;
if (test__muloti4(-2097152LL, 4398046511103LL, -9223372036852678656LL, 0))
return 1;
if (test__muloti4(2097152LL, -4398046511103LL, -9223372036852678656LL, 0))
return 1;
if (test__muloti4(-2097152LL, -4398046511103LL, 9223372036852678656LL, 0))
return 1;
if (test__muloti4(make_ti(0x00000000000000B5LL, 0x04F333F9DE5BE000LL),
make_ti(0x0000000000000000LL, 0x00B504F333F9DE5BLL),
make_ti(0x7FFFFFFFFFFFF328LL, 0xDF915DA296E8A000LL), 0))
return 1;
if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
-2,
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1))
return 1;
if (test__muloti4(-2,
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1))
return 1;
if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
-1,
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 0))
return 1;
if (test__muloti4(-1,
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 0))
return 1;
if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
0,
0, 0))
return 1;
if (test__muloti4(0,
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
0, 0))
return 1;
if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
1,
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 0))
return 1;
if (test__muloti4(1,
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 0))
return 1;
if (test__muloti4(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
2,
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1))
return 1;
if (test__muloti4(2,
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
-2,
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1))
return 1;
if (test__muloti4(-2,
make_ti(0x8000000000000000LL, 0x0000000000000000LL),
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
-1,
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1))
return 1;
if (test__muloti4(-1,
make_ti(0x8000000000000000LL, 0x0000000000000000LL),
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
0,
0, 0))
return 1;
if (test__muloti4(0,
make_ti(0x8000000000000000LL, 0x0000000000000000LL),
0, 0))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
1,
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 0))
return 1;
if (test__muloti4(1,
make_ti(0x8000000000000000LL, 0x0000000000000000LL),
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 0))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
2,
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1))
return 1;
if (test__muloti4(2,
make_ti(0x8000000000000000LL, 0x0000000000000000LL),
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
-2,
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1))
return 1;
if (test__muloti4(-2,
make_ti(0x8000000000000000LL, 0x0000000000000001LL),
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 1))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
-1,
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 0))
return 1;
if (test__muloti4(-1,
make_ti(0x8000000000000000LL, 0x0000000000000001LL),
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL), 0))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
0,
0, 0))
return 1;
if (test__muloti4(0,
make_ti(0x8000000000000000LL, 0x0000000000000001LL),
0, 0))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
1,
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 0))
return 1;
if (test__muloti4(1,
make_ti(0x8000000000000000LL, 0x0000000000000001LL),
make_ti(0x8000000000000000LL, 0x0000000000000001LL), 0))
return 1;
if (test__muloti4(make_ti(0x8000000000000000LL, 0x0000000000000001LL),
2,
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1))
return 1;
if (test__muloti4(2,
make_ti(0x8000000000000000LL, 0x0000000000000001LL),
make_ti(0x8000000000000000LL, 0x0000000000000000LL), 1))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}
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