mirror of
https://github.com/matrix-construct/construct
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114 lines
2.4 KiB
C++
114 lines
2.4 KiB
C++
// The Construct
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//
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// Copyright (C) The Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2020 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_SIMD_HADD_H
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// Horizontal add
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namespace ircd::simd
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{
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template<class T,
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class R = T>
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typename std::enable_if<simd::lanes<T>() == 2, R>::type
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hadd(const T, const T) noexcept;
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template<class T,
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class R = T>
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typename std::enable_if<simd::lanes<T>() == 4, R>::type
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hadd(const T, const T) noexcept;
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template<class T,
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class R = T>
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typename std::enable_if<simd::lanes<T>() == 8, R>::type
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hadd(const T, const T) noexcept;
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template<class T,
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class R = T>
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typename std::enable_if<simd::lanes<T>() == 16, R>::type
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hadd(const T, const T) noexcept;
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}
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template<class T,
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class R>
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inline typename std::enable_if<ircd::simd::lanes<T>() == 16, R>::type
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ircd::simd::hadd(const T a,
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const T b)
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noexcept
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{
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return R
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{
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a[0x01] + a[0x00],
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a[0x03] + a[0x02],
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a[0x05] + a[0x04],
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a[0x07] + a[0x06],
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b[0x01] + b[0x00],
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b[0x03] + b[0x02],
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b[0x05] + b[0x04],
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b[0x07] + b[0x06],
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a[0x09] + a[0x08],
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a[0x0b] + a[0x0a],
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a[0x0d] + a[0x0c],
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a[0x0f] + a[0x0e],
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b[0x09] + b[0x08],
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b[0x0b] + b[0x0a],
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b[0x0d] + b[0x0c],
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b[0x0f] + b[0x0e],
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};
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}
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template<class T,
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class R>
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inline typename std::enable_if<ircd::simd::lanes<T>() == 8, R>::type
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ircd::simd::hadd(const T a,
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const T b)
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noexcept
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{
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return R
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{
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a[0x01] + a[0x00],
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a[0x03] + a[0x02],
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b[0x01] + b[0x00],
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b[0x03] + b[0x02],
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a[0x05] + a[0x04],
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a[0x07] + a[0x06],
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b[0x05] + b[0x04],
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b[0x07] + b[0x06],
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};
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}
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template<class T,
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class R>
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inline typename std::enable_if<ircd::simd::lanes<T>() == 4, R>::type
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ircd::simd::hadd(const T a,
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const T b)
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noexcept
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{
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return R
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{
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a[0x01] + a[0x00],
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a[0x03] + a[0x02],
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b[0x01] + b[0x00],
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b[0x03] + b[0x02],
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};
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}
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template<class T,
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class R>
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inline typename std::enable_if<ircd::simd::lanes<T>() == 2, R>::type
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ircd::simd::hadd(const T a,
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const T b)
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noexcept
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{
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return R
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{
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a[0x01] + a[0x00],
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b[0x01] + b[0x00],
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};
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}
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