Function write_be64

mllm/engine/prefix_cache/HaHaHash.cpp:15–18

namespace MLLM_ANONYMOUS_NAMESPACE {

inline void write_be64(unsigned char* dst, uint64_t v) {
  if constexpr (std::endian::native == std::endian::little) v = __builtin_bswap64(v);  // GCC/Clang can use this extention.
  std::memcpy(dst, &v, sizeof(v));
}

inline void write_be32(unsigned char* dst, uint32_t v) {
  if constexpr (std::endian::native == std::endian::little) v = __builtin_bswap32(v);