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Fixed cityhash endianness

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This commit is contained in:
Peter Conrad 2019-04-06 09:55:23 +02:00
parent cb9a96755d
commit 006f048ac5
1 changed files with 7 additions and 22 deletions
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29
src/crypto/city.cpp
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@ -35,6 +35,7 @@
#include <fc/crypto/city.hpp> #include <fc/crypto/city.hpp>
#include <fc/uint128.hpp> #include <fc/uint128.hpp>
#include <fc/array.hpp> #include <fc/array.hpp>
#include <boost/endian/buffers.hpp>
#if defined(__SSE4_2__) && defined(__x86_64__) #if defined(__SSE4_2__) && defined(__x86_64__)
#include <nmmintrin.h> #include <nmmintrin.h>
@ -63,18 +64,6 @@ inline uint64_t Hash128to64(const uint128& x) {
return b; return b;
} }
static uint64_t UNALIGNED_LOAD64(const char *p) {
uint64_t result;
memcpy(&result, p, sizeof(result));
return result;
}
static uint32_t UNALIGNED_LOAD32(const char *p) {
uint32_t result;
memcpy(&result, p, sizeof(result));
return result;
}
#ifdef _WIN32 #ifdef _WIN32
#include <stdlib.h> #include <stdlib.h>
@ -121,14 +110,6 @@ static uint32_t UNALIGNED_LOAD32(const char *p) {
#endif #endif
#ifdef WORDS_BIGENDIAN
#define uint32_in_expected_order(x) (bswap_32(x))
#define uint64_in_expected_order(x) (bswap_64(x))
#else
#define uint32_in_expected_order(x) (x)
#define uint64_in_expected_order(x) (x)
#endif
#if !defined(LIKELY) #if !defined(LIKELY)
#if HAVE_BUILTIN_EXPECT #if HAVE_BUILTIN_EXPECT
#define LIKELY(x) (__builtin_expect(!!(x), 1)) #define LIKELY(x) (__builtin_expect(!!(x), 1))
@ -138,11 +119,15 @@ static uint32_t UNALIGNED_LOAD32(const char *p) {
#endif #endif
static uint64_t Fetch64(const char *p) { static uint64_t Fetch64(const char *p) {
return uint64_in_expected_order(UNALIGNED_LOAD64(p)); boost::endian::little_uint64_buf_t result;
memcpy(&result, p, sizeof(result));
return result.value();
} }
static uint32_t Fetch32(const char *p) { static uint32_t Fetch32(const char *p) {
return uint32_in_expected_order(UNALIGNED_LOAD32(p)); boost::endian::little_uint32_buf_t result;
memcpy(&result, p, sizeof(result));
return result.value();
} }
// Some primes between 2^63 and 2^64 for various uses. // Some primes between 2^63 and 2^64 for various uses.