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/* { dg-do run } */
extern void abort (void);
#define LEN 4
static inline void unpack(int array[LEN])
{
int ii, val;
val = 1;
for (ii = 0; ii < LEN; ii++) {
array[ii] = val % 2;
val = val / 2;
}
}
static inline int pack(int array[LEN])
{
int ans, ii;
ans = 0;
for (ii = LEN-1; ii >= 0; ii--) {
ans = 2 * ans + array[ii];
}
return ans;
}
int __attribute__((noinline))
foo()
{
int temp, ans;
int array[LEN];
unpack(array);
temp = array[0];
array[0] = array[2];
array[2] = temp;
ans = pack(array);
return ans;
}
int main(void)
{
int val;
val = foo();
if (val != 4)
abort ();
return 0;
}
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