diff options
Diffstat (limited to 'src/ck_ht_hash.h')
| -rw-r--r-- | src/ck_ht_hash.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/ck_ht_hash.h b/src/ck_ht_hash.h index cd3d7a5..a47dc40 100644 --- a/src/ck_ht_hash.h +++ b/src/ck_ht_hash.h @@ -88,7 +88,15 @@ static inline uint64_t rotl64 ( uint64_t x, int8_t r ) FORCE_INLINE static uint32_t getblock ( const uint32_t * p, int i ) { +#ifdef __s390x__ + uint32_t res; + + __asm__ (" lrv %0,%1\n" + : "=r" (res) : "Q" (p[i]) : "cc", "mem"); + return res; +#else return p[i]; +#endif /* !__s390x__ */ } //----------------------------------------------------------------------------- @@ -147,7 +155,9 @@ static inline void MurmurHash3_x86_32 ( const void * key, int len, switch(len & 3) { case 3: k1 ^= tail[2] << 16; + /* fall through */ case 2: k1 ^= tail[1] << 8; + /* fall through */ case 1: k1 ^= tail[0]; k1 *= c1; k1 = ROTL32(k1,15); k1 *= c2; h1 ^= k1; }; @@ -196,11 +206,17 @@ static inline uint64_t MurmurHash64A ( const void * key, int len, uint64_t seed switch(len & 7) { case 7: h ^= (uint64_t)(data2[6]) << 48; + /* fall through */ case 6: h ^= (uint64_t)(data2[5]) << 40; + /* fall through */ case 5: h ^= (uint64_t)(data2[4]) << 32; + /* fall through */ case 4: h ^= (uint64_t)(data2[3]) << 24; + /* fall through */ case 3: h ^= (uint64_t)(data2[2]) << 16; + /* fall through */ case 2: h ^= (uint64_t)(data2[1]) << 8; + /* fall through */ case 1: h ^= (uint64_t)(data2[0]); h *= m; }; @@ -249,7 +265,9 @@ static inline uint64_t MurmurHash64B ( const void * key, int len, uint64_t seed switch(len) { case 3: h2 ^= ((const unsigned char*)data)[2] << 16; + /* fall through */ case 2: h2 ^= ((const unsigned char*)data)[1] << 8; + /* fall through */ case 1: h2 ^= ((const unsigned char*)data)[0]; h2 *= m; }; |