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Add "falls through" comment explicitly.

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Fix warnings by -Wimplicit-fallthrough.
This commit is contained in:
Qi Wang 2017-09-18 14:34:13 -07:00 committed by Qi Wang
parent a545f1804a
commit 56f0e57844
1 changed files with 14 additions and 14 deletions
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28
include/jemalloc/internal/hash.h
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@ -260,22 +260,22 @@ hash_x64_128(const void *key, const int len, const uint32_t seed,
uint64_t k2 = 0; uint64_t k2 = 0;
switch (len & 15) { switch (len & 15) {
case 15: k2 ^= ((uint64_t)(tail[14])) << 48; case 15: k2 ^= ((uint64_t)(tail[14])) << 48; /* falls through */
case 14: k2 ^= ((uint64_t)(tail[13])) << 40; case 14: k2 ^= ((uint64_t)(tail[13])) << 40; /* falls through */
case 13: k2 ^= ((uint64_t)(tail[12])) << 32; case 13: k2 ^= ((uint64_t)(tail[12])) << 32; /* falls through */
case 12: k2 ^= ((uint64_t)(tail[11])) << 24; case 12: k2 ^= ((uint64_t)(tail[11])) << 24; /* falls through */
case 11: k2 ^= ((uint64_t)(tail[10])) << 16; case 11: k2 ^= ((uint64_t)(tail[10])) << 16; /* falls through */
case 10: k2 ^= ((uint64_t)(tail[ 9])) << 8; case 10: k2 ^= ((uint64_t)(tail[ 9])) << 8; /* falls through */
case 9: k2 ^= ((uint64_t)(tail[ 8])) << 0; case 9: k2 ^= ((uint64_t)(tail[ 8])) << 0;
k2 *= c2; k2 = hash_rotl_64(k2, 33); k2 *= c1; h2 ^= k2; k2 *= c2; k2 = hash_rotl_64(k2, 33); k2 *= c1; h2 ^= k2;
/* falls through */
case 8: k1 ^= ((uint64_t)(tail[ 7])) << 56; case 8: k1 ^= ((uint64_t)(tail[ 7])) << 56; /* falls through */
case 7: k1 ^= ((uint64_t)(tail[ 6])) << 48; case 7: k1 ^= ((uint64_t)(tail[ 6])) << 48; /* falls through */
case 6: k1 ^= ((uint64_t)(tail[ 5])) << 40; case 6: k1 ^= ((uint64_t)(tail[ 5])) << 40; /* falls through */
case 5: k1 ^= ((uint64_t)(tail[ 4])) << 32; case 5: k1 ^= ((uint64_t)(tail[ 4])) << 32; /* falls through */
case 4: k1 ^= ((uint64_t)(tail[ 3])) << 24; case 4: k1 ^= ((uint64_t)(tail[ 3])) << 24; /* falls through */
case 3: k1 ^= ((uint64_t)(tail[ 2])) << 16; case 3: k1 ^= ((uint64_t)(tail[ 2])) << 16; /* falls through */
case 2: k1 ^= ((uint64_t)(tail[ 1])) << 8; case 2: k1 ^= ((uint64_t)(tail[ 1])) << 8; /* falls through */
case 1: k1 ^= ((uint64_t)(tail[ 0])) << 0; case 1: k1 ^= ((uint64_t)(tail[ 0])) << 0;
k1 *= c1; k1 = hash_rotl_64(k1, 31); k1 *= c2; h1 ^= k1; k1 *= c1; k1 = hash_rotl_64(k1, 31); k1 *= c2; h1 ^= k1;
} }