llvm-project/compiler-rt/test/builtins/Unit/addvti3_test.c

95 lines
3.3 KiB
C

//===-- addvti3_test.c - Test __addvti3 -----------------------------------===//
//
// 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 __addvti3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include "int_lib.h"
#include <stdio.h>
#ifdef CRT_HAS_128BIT
// Returns: a + b
// Effects: aborts if a + b overflows
COMPILER_RT_ABI ti_int __addvti3(ti_int a, ti_int b);
int test__addvti3(ti_int a, ti_int b)
{
ti_int x = __addvti3(a, b);
ti_int expected = a + b;
if (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 test__addvti3(0x%llX%.16llX, 0x%llX%.16llX) = "
"0x%llX%.16llX, expected 0x%llX%.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 x != expected;
}
#endif
int main()
{
#ifdef CRT_HAS_128BIT
// should abort
// test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
// make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL));
// should abort
// test__addvti3(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
// make_ti(0x8000000000000000LL, 0x0000000000000000LL));
// should abort
// test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000001LL),
// make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL));
// should abort
// test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
// make_ti(0x0000000000000000LL, 0x0000000000000001LL));
if (test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
make_ti(0x0000000000000000LL, 0x0000000000000001LL)))
return 1;
if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000001LL),
make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
return 1;
if (test__addvti3(make_ti(0x8000000000000000LL, 0x0000000000000000LL),
make_ti(0x0000000000000000LL, 0x0000000000000000LL)))
return 1;
if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000000LL),
make_ti(0x8000000000000000LL, 0x0000000000000000LL)))
return 1;
if (test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
return 1;
if (test__addvti3(make_ti(0xFFFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
return 1;
if (test__addvti3(make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL),
make_ti(0x0000000000000000LL, 0x0000000000000000LL)))
return 1;
if (test__addvti3(make_ti(0x0000000000000000LL, 0x0000000000000000LL),
make_ti(0x7FFFFFFFFFFFFFFFLL, 0xFFFFFFFFFFFFFFFFLL)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}