blob: 3a1883d51d59a322e3441b7ea38dae8319e816ce [file] [log] [blame]
/* { dg-additional-options "-fwrapv" } */
#include <limits.h>
extern void abort ();
int test2(int x)
{
return ~(x + INT_MIN);
}
int test3(int x)
{
return ~(x - INT_MIN);
}
int test5(int x)
{
int y = INT_MIN;
return ~(x + y);
}
int test6(int x)
{
int y = INT_MIN;
return ~(x - y);
}
void test(int a, int b)
{
if (test2(a) != b)
abort();
if (test3(a) != b)
abort();
if (test5(a) != b)
abort();
if (test6(a) != b)
abort();
}
int main()
{
#if INT_MAX == 2147483647
test(0x00000000,0x7fffffff);
test(0x80000000,0xffffffff);
test(0x12345678,0x6dcba987);
test(0x92345678,0xedcba987);
test(0x7fffffff,0x00000000);
test(0xffffffff,0x80000000);
#endif
#if INT_MAX == 32767
test(0x0000,0x7fff);
test(0x8000,0xffff);
test(0x1234,0x6dcb);
test(0x9234,0xedcb);
test(0x7fff,0x0000);
test(0xffff,0x8000);
#endif
return 0;
}