diff options
Diffstat (limited to 'src/murmurhash/MurmurHash3.cpp')
| -rw-r--r-- | src/murmurhash/MurmurHash3.cpp | 35 |
1 files changed, 30 insertions, 5 deletions
diff --git a/src/murmurhash/MurmurHash3.cpp b/src/murmurhash/MurmurHash3.cpp index 86ca147..01292e3 100644 --- a/src/murmurhash/MurmurHash3.cpp +++ b/src/murmurhash/MurmurHash3.cpp @@ -130,7 +130,9 @@ void MurmurHash3_x86_32 ( const void * key, unsigned int len, switch(len & 3) { case 3: k1 ^= uint32_t(tail[2] << 16); + /* FALLTHROUGH */ case 2: k1 ^= uint32_t(tail[1] << 8); + /* FALLTHROUGH */ case 1: k1 ^= tail[0]; k1 *= c1; k1 = ROTL32(k1,15); k1 *= c2; h1 ^= k1; }; @@ -205,25 +207,36 @@ void MurmurHash3_x86_128 ( const void * key, const unsigned int len, switch(len & 15) { case 15: k4 ^= uint32_t(tail[14] << 16); + /* FALLTHROUGH */ case 14: k4 ^= uint32_t(tail[13] << 8); + /* FALLTHROUGH */ case 13: k4 ^= tail[12]; k4 *= c4; k4 = ROTL32(k4,18); k4 *= c1; h4 ^= k4; - + /* FALLTHROUGH */ case 12: k3 ^= uint32_t(tail[11] << 24); + /* FALLTHROUGH */ case 11: k3 ^= uint32_t(tail[10] << 16); + /* FALLTHROUGH */ case 10: k3 ^= uint32_t(tail[ 9] << 8); + /* FALLTHROUGH */ case 9: k3 ^= tail[ 8]; k3 *= c3; k3 = ROTL32(k3,17); k3 *= c4; h3 ^= k3; - + /* FALLTHROUGH */ case 8: k2 ^= uint32_t(tail[ 7] << 24); + /* FALLTHROUGH */ case 7: k2 ^= uint32_t(tail[ 6] << 16); + /* FALLTHROUGH */ case 6: k2 ^= uint32_t(tail[ 5] << 8); + /* FALLTHROUGH */ case 5: k2 ^= tail[ 4]; k2 *= c2; k2 = ROTL32(k2,16); k2 *= c3; h2 ^= k2; - + /* FALLTHROUGH */ case 4: k1 ^= uint32_t(tail[ 3] << 24); + /* FALLTHROUGH */ case 3: k1 ^= uint32_t(tail[ 2] << 16); + /* FALLTHROUGH */ case 2: k1 ^= uint32_t(tail[ 1] << 8); + /* FALLTHROUGH */ case 1: k1 ^= tail[ 0]; k1 *= c1; k1 = ROTL32(k1,15); k1 *= c2; h1 ^= k1; }; @@ -294,21 +307,34 @@ void MurmurHash3_x64_128 ( const void * key, const unsigned int len, switch(len & 15) { case 15: k2 ^= uint64_t(tail[14]) << 48; + /* FALLTHROUGH */ case 14: k2 ^= uint64_t(tail[13]) << 40; + /* FALLTHROUGH */ case 13: k2 ^= uint64_t(tail[12]) << 32; + /* FALLTHROUGH */ case 12: k2 ^= uint64_t(tail[11]) << 24; + /* FALLTHROUGH */ case 11: k2 ^= uint64_t(tail[10]) << 16; + /* FALLTHROUGH */ case 10: k2 ^= uint64_t(tail[ 9]) << 8; + /* FALLTHROUGH */ case 9: k2 ^= uint64_t(tail[ 8]) << 0; k2 *= c2; k2 = ROTL64(k2,33); k2 *= c1; h2 ^= k2; - + /* FALLTHROUGH */ case 8: k1 ^= uint64_t(tail[ 7]) << 56; + /* FALLTHROUGH */ case 7: k1 ^= uint64_t(tail[ 6]) << 48; + /* FALLTHROUGH */ case 6: k1 ^= uint64_t(tail[ 5]) << 40; + /* FALLTHROUGH */ case 5: k1 ^= uint64_t(tail[ 4]) << 32; + /* FALLTHROUGH */ case 4: k1 ^= uint64_t(tail[ 3]) << 24; + /* FALLTHROUGH */ case 3: k1 ^= uint64_t(tail[ 2]) << 16; + /* FALLTHROUGH */ case 2: k1 ^= uint64_t(tail[ 1]) << 8; + /* FALLTHROUGH */ case 1: k1 ^= uint64_t(tail[ 0]) << 0; k1 *= c1; k1 = ROTL64(k1,31); k1 *= c2; h1 ^= k1; }; @@ -332,4 +358,3 @@ void MurmurHash3_x64_128 ( const void * key, const unsigned int len, } //----------------------------------------------------------------------------- - |