Vc package added (version 0.6.79-dev)

[u/mrichter/AliRoot.git] / Vc / include / Vc / avx / prefetches.tcc

/*  This file is part of the Vc library.

    Copyright (C) 2010, 2011-2012 Matthias Kretz <kretz@kde.org>

    Vc is free software: you can redistribute it and/or modify
    it under the terms of the GNU Lesser General Public License as
    published by the Free Software Foundation, either version 3 of
    the License, or (at your option) any later version.

    Vc is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with Vc.  If not, see <http://www.gnu.org/licenses/>.

*/

#ifndef VC_AVX_PREFETCHES_TCC
#define VC_AVX_PREFETCHES_TCC

namespace Vc
{
namespace Internal
{

inline ALWAYS_INLINE void HelperImpl<Vc::AVXImpl>::prefetchForOneRead(const void *addr)
{
    _mm_prefetch(static_cast<char *>(const_cast<void *>(addr)), _MM_HINT_NTA);
}
inline ALWAYS_INLINE void HelperImpl<Vc::AVXImpl>::prefetchClose(const void *addr)
{
    _mm_prefetch(static_cast<char *>(const_cast<void *>(addr)), _MM_HINT_T0);
}
inline ALWAYS_INLINE void HelperImpl<Vc::AVXImpl>::prefetchMid(const void *addr)
{
    _mm_prefetch(static_cast<char *>(const_cast<void *>(addr)), _MM_HINT_T1);
}
inline ALWAYS_INLINE void HelperImpl<Vc::AVXImpl>::prefetchFar(const void *addr)
{
    _mm_prefetch(static_cast<char *>(const_cast<void *>(addr)), _MM_HINT_T2);
}
inline ALWAYS_INLINE void HelperImpl<Vc::AVXImpl>::prefetchForModify(const void *addr)
{
#ifdef __3dNOW__
    _m_prefetchw(const_cast<void *>(addr));
#else
    _mm_prefetch(static_cast<char *>(const_cast<void *>(addr)), _MM_HINT_T0);
#endif
}

} // namespace Internal
} // namespace Vc

#endif // VC_AVX_PREFETCHES_TCC