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| author | Michael Cahill <michael.cahill@mongodb.com> | 2016-03-25 08:19:12 +1100 |
|---|---|---|
| committer | Michael Cahill <michael.cahill@mongodb.com> | 2016-03-25 08:19:12 +1100 |
| commit | 43e885a0f9a3ad046eae1726b005ca1280624be3 (patch) | |
| tree | f03d31a7b36c476484f26ea5259777aeb7b13201 /src/support/cksum.c | |
| parent | 5cdd3e320cb19cd54111c2572a3d6e33d3009ad4 (diff) | |
| parent | 9cf8eb2f15c6df7da90c19c86ccf7516ed126183 (diff) | |
| download | mongodb-3.2.5.tar.gz | |
Merge branch 'mongodb-3.4' into mongodb-3.2mongodb-3.2.5
Diffstat (limited to 'src/support/cksum.c')
| -rw-r--r-- | src/support/cksum.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/support/cksum.c b/src/support/cksum.c index c2982c40015..0b086753406 100644 --- a/src/support/cksum.c +++ b/src/support/cksum.c @@ -1260,6 +1260,23 @@ __wt_cksum_hw(const void *chunk, size_t len) } #endif +#if defined(__powerpc64__) + +unsigned int crc32_vpmsum(unsigned int crc, const unsigned char *p, + unsigned long len); + +/* + * __wt_cksum_hw -- + * Return a checksum for a chunk of memory, computed in hardware + * using 8 byte steps. + */ +static uint32_t +__wt_cksum_hw(const void *chunk, size_t len) +{ + return crc32_vpmsum(0, chunk, len); +} +#endif + /* * __wt_cksum -- * Return a checksum for a chunk of memory using the fastest method @@ -1302,6 +1319,8 @@ __wt_cksum_init(void) __wt_cksum_func = __wt_cksum_hw; else __wt_cksum_func = __wt_cksum_sw; +#elif defined(__powerpc64__) + __wt_cksum_func = __wt_cksum_hw; #else __wt_cksum_func = __wt_cksum_sw; #endif |