// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements.  See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership.  The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License.  You may obtain a copy of the License at

//

//   http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied.  See the License for the

// specific language governing permissions and limitations

// under the License.

#pragma once

#include <cstring>

#include "core/extended_types.h"

namespace doris {

// Because __int128 in memory is not aligned, but GCC7 will generate SSE instruction

// for __int128 load/store. This will cause segment fault.

struct PackedInt128 {

    // PackedInt128() : value(0) {}

    PackedInt128() = default;

    PackedInt128(const PackedInt128&) = default;

    PackedInt128(const __int128& value_) { value = value_; }

    PackedInt128& operator=(const __int128& value_) {

        value = value_;

        return *this;

    }

    PackedInt128& operator=(const PackedInt128& rhs) = default;

    __int128 value;

} __attribute__((packed));

struct PackedUInt128 {

    PackedUInt128() = default;

    PackedUInt128(const PackedUInt128&) = default;

    PackedUInt128(const unsigned __int128& value_) { value = value_; }

    PackedUInt128& operator=(const unsigned __int128& value_) {

        value = value_;

        return *this;

    }

    PackedUInt128& operator=(const PackedUInt128& rhs) = default;

    uint128_t value;

} __attribute__((packed));

// unalign address directly casted to int128 will core dump

inline int128_t get_int128_from_unalign(const void* address) {

    int128_t value = 0;

    memcpy(&value, address, sizeof(int128_t));

    return value;

}

} // namespace doris