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//===-- udivti3_test.c - Test __udivti3 -----------------------------------===//
//
// 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 __udivti3 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#if __x86_64
#include "int_lib.h"
#include <stdio.h>
// Returns: a / b
tu_int __udivti3(tu_int a, tu_int b);
int test__udivti3(tu_int a, tu_int b, tu_int expected_q)
{
tu_int q = __udivti3(a, b);
if (q != expected_q)
{
utwords at;
at.all = a;
utwords bt;
bt.all = b;
utwords qt;
qt.all = q;
utwords expected_qt;
expected_qt.all = expected_q;
printf("error in __udivti3: 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, qt.s.high, qt.s.low,
expected_qt.s.high, expected_qt.s.low);
}
return q != expected_q;
}
#endif
int main()
{
#if __x86_64
if (test__udivti3(0, 1, 0))
return 1;
if (test__udivti3(2, 1, 2))
return 1;
if (test__udivti3(make_tu(0x8000000000000000uLL, 0), 1,
make_tu(0x8000000000000000uLL, 0)))
return 1;
if (test__udivti3(make_tu(0x8000000000000000uLL, 0), 2,
make_tu(0x4000000000000000uLL, 0)))
return 1;
if (test__udivti3(make_tu(0xFFFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL), 2,
make_tu(0x7FFFFFFFFFFFFFFFuLL, 0xFFFFFFFFFFFFFFFFuLL)))
return 1;
#endif
return 0;
}
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