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More refactoring

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This commit is contained in:
HarryLeeIBM 2023-02-22 15:19:25 -08:00
parent e979a86604
commit 776d4d9bb4
1 changed files with 10 additions and 14 deletions
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24
src/Functions/FunctionsHashing.h
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@ -1028,6 +1028,8 @@ private:
if constexpr (std::is_same_v<ToType, UInt64>)
{
UInt64 v = bit_cast<UInt64>(vec_from[i]);
/// Consider using std::byteswap(c++23) in the future
if constexpr (std::endian::native == std::endian::big)
v = __builtin_bswap64(v);
h = IntHash64Impl::apply(v);
@ -1046,21 +1048,15 @@ private:
h = JavaHashImpl::apply(vec_from[i]);
else
{
if constexpr (std::is_same_v<ToType, UInt64>)
FromType v = vec_from[i];
if constexpr (std::endian::native == std::endian::big)
{
UInt64 v = bit_cast<UInt64>(vec_from[i]);
if constexpr (std::endian::native == std::endian::big)
v = __builtin_bswap64(v);
h = apply(key, reinterpret_cast<const char *>(&v), sizeof(vec_from[i]));
FromType tmp_v;
reverseMemcpy(&tmp_v, &v, sizeof(v));
v = tmp_v;
}
else
{
UInt32 v = bit_cast<UInt32>(vec_from[i]);
if constexpr (std::endian::native == std::endian::big)
v = __builtin_bswap32(v);
h = apply(key, reinterpret_cast<const char *>(&v), sizeof(vec_from[i]));
}
}
h = apply(key, reinterpret_cast<const char *>(&v), sizeof(v));
}
}
if constexpr (first)
@ -1085,7 +1081,7 @@ private:
UInt32 v = bit_cast<UInt32>(value);
if constexpr (std::endian::native == std::endian::big)
v = __builtin_bswap32(v);
hash = IntHash32Impl::apply(bit_cast<UInt32>(v));
hash = IntHash32Impl::apply(v);
}
size_t size = vec_to.size();