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| author | markj <markj@FreeBSD.org> | 2017-04-19 16:16:41 +0000 |
|---|---|---|
| committer | markj <markj@FreeBSD.org> | 2017-04-19 16:16:41 +0000 |
| commit | 5653ed5a69d7d1b24ba99806151dc568e41f3cfd (patch) | |
| tree | 70dd3c37ca8783d7262c1d62f51c3b4f1781d536 /sys/sys | |
| parent | b7aef29707b4ceb8e2e598038a1b6c6bedcd075e (diff) | |
| download | FreeBSD-src-5653ed5a69d7d1b24ba99806151dc568e41f3cfd.zip FreeBSD-src-5653ed5a69d7d1b24ba99806151dc568e41f3cfd.tar.gz | |
MFC r313006 (by cem), r315983 (by bde):
Add an SSE4.2 implementation of crc32 for x86.
Diffstat (limited to 'sys/sys')
| -rw-r--r-- | sys/sys/libkern.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/sys/libkern.h b/sys/sys/libkern.h index 28ab3df..a960df8 100644 --- a/sys/sys/libkern.h +++ b/sys/sys/libkern.h @@ -178,6 +178,11 @@ crc32(const void *buf, size_t size) uint32_t calculate_crc32c(uint32_t crc32c, const unsigned char *buffer, unsigned int length); +#ifdef _KERNEL +#if defined(__amd64__) || defined(__i386__) +uint32_t sse42_crc32c(uint32_t, const unsigned char *, unsigned); +#endif +#endif LIBKERN_INLINE void *memset(void *, int, size_t); |
