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6 months ago
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define ITERS 50000000
int
main(int argc, char **argv) __attribute__((optnone))
{
printf("%s enter\n", argv[0]);
int n = 0, e = 1;
if (argc == 2) {
n = atoi(argv[1]);
if (n > 0) e = 0;
}
while (e || n > 0) {
int i = ITERS;
n--;
while (i-- > 0) {
int j = ITERS;
while (j-- > 0) __asm__ __volatile__("nop" : : : "memory");
}
printf("%s\n", argv[0]);
}
printf("%s done\n", argv[0]);
}