_mm_prefetch(((char*)buf+64), 0); // A total guess! Assumed to be eqivalent to
#else // the line below but waiting to be tested !!
__builtin_prefetch(buf+64,0,0);
_mm_prefetch(((char*)buf+64), 0); // A total guess! Assumed to be eqivalent to
#else // the line below but waiting to be tested !!
__builtin_prefetch(buf+64,0,0);