#define MAX 98 void foo (unsigned long *res, unsigned long in) { for (unsigned long a = 0; a < MAX; a++) for (unsigned long b = 0; b < MAX; b++) for (unsigned long c = 0; c < MAX; c++) for (unsigned long d = 0; d < MAX; d++) for (unsigned long e = 0; e < MAX; e++) for (unsigned long f = 0; f < MAX; f++) for (unsigned long g = 0; g < MAX; g++) *res += a * in; }