#include <inttypes.h>
#include <assert.h>

#define ALIGNMENT       64

#define MAGIC1  0xaa55aa55aa55aa55
#define MAGIC2  0xc0ffeeeeeeeeeeee
#define MAGIC3  0xff00ff00ff00ff00

__thread
truct {
         uint64_t magic1;
         uint64_t magic2 __attribute__((aligned(ALIGNMENT)));
         uint64_t magic3;
} tls_data = {
         .magic1 = MAGIC1,
         .magic2 = MAGIC2,
         .magic3 = MAGIC3,
};

int
main()
{
         assert(tls_data.magic1 == MAGIC1);
         assert(tls_data.magic2 == MAGIC2);
          assert(tls_data.magic3 == MAGIC3);
}