tcc-65816/test/tests/20030222-1.c
2017-06-09 13:52:12 +02:00

29 lines
574 B
C

/* Verify that we get the low part of the long long as an int. We
used to get it wrong on big-endian machines, if register allocation
succeeded at all. We use volatile to make sure the long long is
actually truncated to int, in case a single register is wide enough
for a long long. */
#include <limits.h>
void
ll_to_int (long long x, volatile int *p)
{
int i;
//asm ("" : "=r" (i) : "0" (x));
i = x;
*p = i;
}
int val = INT_MIN + 1;
int main() {
volatile int i;
ll_to_int ((long long)val, &i);
if (i != val)
abort ();
exit (0);
}