#include <time.h>
#include <stdio.h>

int main(int argc, char **argv) {
    volatile register i = 0;
    clock_t start = clock();
    printf("start=%i\n", start);

    __asm__(" movl $0xFFFFFFFF, %eax");
    __asm__(" mov $0, %ecx");
    __asm__("increment:");
    __asm__(" decl %eax");
    __asm__(" cmp %eax, %ecx");
    __asm__(" jne increment");

    clock_t stop = clock();
    printf("stop=%i\n", stop);
    printf("CLOCKS_PER_SEC=%i\n", CLOCKS_PER_SEC);
    printf("Completed in %i clocks.\n", stop - start);
}