| 59 | #ifndef HAVE_ARC4RANDOM_BUF |
| 60 | # if defined(__powerpc__) || defined(__powerpc64__) |
| 61 | static inline unsigned long read_time(void) |
| 62 | { |
| 63 | unsigned long a; |
| 64 | asm volatile("mftb %0" : "=r" (a)); |
| 65 | return a; |
| 66 | } |
| 67 | # elif defined(WIN32) |
| 68 | static unsigned __int64 read_time(void) |
| 69 | { |