| Yinghai Lu | 8fee13a | 2010-08-02 16:21:22 -0700 | [diff] [blame] | 1 | #include "misc.h" |
| Matt Fleming | 291f363 | 2011-12-12 21:27:52 +0000 | [diff] [blame] | 2 | |
| 3 | int memcmp(const void *s1, const void *s2, size_t len) | ||||
| 4 | { | ||||
| 5 | u8 diff; | ||||
| 6 | asm("repe; cmpsb; setnz %0" | ||||
| 7 | : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len)); | ||||
| 8 | return diff; | ||||
| 9 | } | ||||
| 10 | |||||
| Yinghai Lu | 8fee13a | 2010-08-02 16:21:22 -0700 | [diff] [blame] | 11 | #include "../string.c" |