28 lines
632 B
C
28 lines
632 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. */
|
|
/* { dg-skip-if "asm requires register allocation" { nvptx-*-* } } */
|
|
#include <limits.h>
|
|
|
|
void
|
|
ll_to_int (long long x, volatile int *p)
|
|
{
|
|
int i;
|
|
asm ("" : "=r" (i) : "0" (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);
|
|
}
|