mirror of
https://github.com/matrix-construct/construct
synced 2024-12-29 08:54:02 +01:00
69 lines
1.4 KiB
C++
69 lines
1.4 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_SUM_H
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namespace ircd::simd
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{
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template<int idx = 0,
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class T>
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T sum_or(T) noexcept;
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template<int idx = 0,
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class T>
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T sum_and(T) noexcept;
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template<int idx = 0,
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class T>
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T sum_xor(T) noexcept;
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}
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template<int idx,
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class T>
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[[using gnu: always_inline, gnu_inline, artificial]]
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extern inline T
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ircd::simd::sum_and(T a)
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noexcept
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{
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for(size_t i(0); i < lanes<T>(); ++i)
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if(i != idx)
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a[idx] &= a[i];
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return a;
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}
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template<int idx,
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class T>
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[[using gnu: always_inline, gnu_inline, artificial]]
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extern inline T
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ircd::simd::sum_or(T a)
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noexcept
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{
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for(size_t i(0); i < lanes<T>(); ++i)
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if(i != idx)
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a[idx] |= a[i];
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return a;
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}
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template<int idx,
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class T>
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[[using gnu: always_inline, gnu_inline, artificial]]
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extern inline T
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ircd::simd::sum_xor(T a)
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noexcept
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{
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for(size_t i(0); i < lanes<T>(); ++i)
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if(i != idx)
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a[idx] ^= a[i];
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return a;
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}
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