mirror of
https://github.com/mod-playerbots/azerothcore-wotlk.git
synced 2026-01-31 01:23:47 +00:00
Merge branch 'master' of https://github.com/azerothcore/azerothcore-wotlk into dir-restructure
This commit is contained in:
139
deps/jemalloc/include/jemalloc/internal/hash.h
vendored
139
deps/jemalloc/include/jemalloc/internal/hash.h
vendored
@@ -1,92 +1,76 @@
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#ifndef JEMALLOC_INTERNAL_HASH_H
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#define JEMALLOC_INTERNAL_HASH_H
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#include "jemalloc/internal/assert.h"
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/*
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* The following hash function is based on MurmurHash3, placed into the public
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* domain by Austin Appleby. See http://code.google.com/p/smhasher/ for
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* domain by Austin Appleby. See https://github.com/aappleby/smhasher for
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* details.
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*/
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/******************************************************************************/
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#ifdef JEMALLOC_H_TYPES
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#endif /* JEMALLOC_H_TYPES */
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/******************************************************************************/
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#ifdef JEMALLOC_H_STRUCTS
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#endif /* JEMALLOC_H_STRUCTS */
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/******************************************************************************/
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#ifdef JEMALLOC_H_EXTERNS
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#endif /* JEMALLOC_H_EXTERNS */
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/******************************************************************************/
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#ifdef JEMALLOC_H_INLINES
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#ifndef JEMALLOC_ENABLE_INLINE
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uint32_t hash_x86_32(const void *key, int len, uint32_t seed);
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void hash_x86_128(const void *key, const int len, uint32_t seed,
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uint64_t r_out[2]);
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void hash_x64_128(const void *key, const int len, const uint32_t seed,
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uint64_t r_out[2]);
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void hash(const void *key, size_t len, const uint32_t seed,
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size_t r_hash[2]);
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#endif
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#if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_HASH_C_))
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/******************************************************************************/
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/* Internal implementation. */
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JEMALLOC_INLINE uint32_t
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hash_rotl_32(uint32_t x, int8_t r)
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{
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return (x << r) | (x >> (32 - r));
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static inline uint32_t
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hash_rotl_32(uint32_t x, int8_t r) {
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return ((x << r) | (x >> (32 - r)));
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}
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JEMALLOC_INLINE uint64_t
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hash_rotl_64(uint64_t x, int8_t r)
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{
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return (x << r) | (x >> (64 - r));
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static inline uint64_t
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hash_rotl_64(uint64_t x, int8_t r) {
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return ((x << r) | (x >> (64 - r)));
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}
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JEMALLOC_INLINE uint32_t
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hash_get_block_32(const uint32_t *p, int i)
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{
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static inline uint32_t
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hash_get_block_32(const uint32_t *p, int i) {
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/* Handle unaligned read. */
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if (unlikely((uintptr_t)p & (sizeof(uint32_t)-1)) != 0) {
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uint32_t ret;
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return (p[i]);
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memcpy(&ret, (uint8_t *)(p + i), sizeof(uint32_t));
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return ret;
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}
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return p[i];
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}
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JEMALLOC_INLINE uint64_t
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hash_get_block_64(const uint64_t *p, int i)
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{
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static inline uint64_t
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hash_get_block_64(const uint64_t *p, int i) {
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/* Handle unaligned read. */
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if (unlikely((uintptr_t)p & (sizeof(uint64_t)-1)) != 0) {
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uint64_t ret;
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return (p[i]);
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memcpy(&ret, (uint8_t *)(p + i), sizeof(uint64_t));
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return ret;
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}
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return p[i];
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}
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JEMALLOC_INLINE uint32_t
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hash_fmix_32(uint32_t h)
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{
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static inline uint32_t
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hash_fmix_32(uint32_t h) {
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h ^= h >> 16;
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h *= 0x85ebca6b;
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h ^= h >> 13;
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h *= 0xc2b2ae35;
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h ^= h >> 16;
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return (h);
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return h;
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}
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JEMALLOC_INLINE uint64_t
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hash_fmix_64(uint64_t k)
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{
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static inline uint64_t
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hash_fmix_64(uint64_t k) {
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k ^= k >> 33;
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k *= QU(0xff51afd7ed558ccdLLU);
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k *= KQU(0xff51afd7ed558ccd);
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k ^= k >> 33;
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k *= QU(0xc4ceb9fe1a85ec53LLU);
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k *= KQU(0xc4ceb9fe1a85ec53);
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k ^= k >> 33;
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return (k);
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return k;
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}
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JEMALLOC_INLINE uint32_t
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hash_x86_32(const void *key, int len, uint32_t seed)
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{
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static inline uint32_t
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hash_x86_32(const void *key, int len, uint32_t seed) {
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const uint8_t *data = (const uint8_t *) key;
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const int nblocks = len / 4;
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@@ -132,13 +116,12 @@ hash_x86_32(const void *key, int len, uint32_t seed)
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h1 = hash_fmix_32(h1);
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return (h1);
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return h1;
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}
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UNUSED JEMALLOC_INLINE void
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UNUSED static inline void
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hash_x86_128(const void *key, const int len, uint32_t seed,
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uint64_t r_out[2])
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{
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uint64_t r_out[2]) {
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const uint8_t * data = (const uint8_t *) key;
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const int nblocks = len / 16;
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@@ -237,18 +220,17 @@ hash_x86_128(const void *key, const int len, uint32_t seed,
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r_out[1] = (((uint64_t) h4) << 32) | h3;
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}
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UNUSED JEMALLOC_INLINE void
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UNUSED static inline void
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hash_x64_128(const void *key, const int len, const uint32_t seed,
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uint64_t r_out[2])
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{
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uint64_t r_out[2]) {
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const uint8_t *data = (const uint8_t *) key;
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const int nblocks = len / 16;
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uint64_t h1 = seed;
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uint64_t h2 = seed;
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const uint64_t c1 = QU(0x87c37b91114253d5LLU);
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const uint64_t c2 = QU(0x4cf5ad432745937fLLU);
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const uint64_t c1 = KQU(0x87c37b91114253d5);
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const uint64_t c2 = KQU(0x4cf5ad432745937f);
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/* body */
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{
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@@ -317,19 +299,20 @@ hash_x64_128(const void *key, const int len, const uint32_t seed,
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/******************************************************************************/
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/* API. */
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JEMALLOC_INLINE void
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hash(const void *key, size_t len, const uint32_t seed, size_t r_hash[2])
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{
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static inline void
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hash(const void *key, size_t len, const uint32_t seed, size_t r_hash[2]) {
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assert(len <= INT_MAX); /* Unfortunate implementation limitation. */
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#if (LG_SIZEOF_PTR == 3 && !defined(JEMALLOC_BIG_ENDIAN))
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hash_x64_128(key, len, seed, (uint64_t *)r_hash);
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hash_x64_128(key, (int)len, seed, (uint64_t *)r_hash);
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#else
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uint64_t hashes[2];
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hash_x86_128(key, len, seed, hashes);
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r_hash[0] = (size_t)hashes[0];
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r_hash[1] = (size_t)hashes[1];
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{
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uint64_t hashes[2];
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hash_x86_128(key, (int)len, seed, hashes);
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r_hash[0] = (size_t)hashes[0];
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r_hash[1] = (size_t)hashes[1];
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}
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#endif
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}
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#endif
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#endif /* JEMALLOC_H_INLINES */
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/******************************************************************************/
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#endif /* JEMALLOC_INTERNAL_HASH_H */
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