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#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#define NCOUNT (100000)
#define TCOUNT (4)
volatile uint64_t u = 0;
volatile uint64_t *casvar = &u;
#include <stdint.h>
#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#define NCOUNT (100000)
#define TCOUNT (4)
volatile uint64_t u = 0;
volatile uint64_t *casvar = &u;