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/***************************************************************************
* Copyright (c) Johan Mabille, Sylvain Corlay, Wolf Vollprecht and *
* Martin Renou *
* Copyright (c) QuantStack *
* Copyright (c) Serge Guelton *
* *
* Distributed under the terms of the BSD 3-Clause License. *
* *
* The full license is in the file LICENSE, distributed with this software. *
****************************************************************************/
#ifndef XSIMD_SSE4_2_HPP
#define XSIMD_SSE4_2_HPP
#include <limits>
#include "../types/xsimd_sse4_2_register.hpp"
namespace xsimd
{
namespace kernel
{
using namespace types;
// lt
template <class A>
inline batch_bool<int64_t, A> lt(batch<int64_t, A> const& self, batch<int64_t, A> const& other, requires_arch<sse4_2>) noexcept
{
return _mm_cmpgt_epi64(other, self);
}
template <class A>
inline batch_bool<uint64_t, A> lt(batch<uint64_t, A> const& self, batch<uint64_t, A> const& other, requires_arch<sse4_2>) noexcept
{
auto xself = _mm_xor_si128(self, _mm_set1_epi64x(std::numeric_limits<int64_t>::lowest()));
auto xother = _mm_xor_si128(other, _mm_set1_epi64x(std::numeric_limits<int64_t>::lowest()));
return _mm_cmpgt_epi64(xother, xself);
}
}
}
#endif
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