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</style><h2>🗂️ simple</h2><p><b>Path:</b> <a href='?path=%2Fbig%2F'>big</a>/<a href='?path=%2Fbig%2FSRC%2F'>SRC</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2F'>mariadb-11.7.2</a>/<a href='?path=%2Fbig%2FSRC%2Fmariadb-11.7.2%2Finclude%2F'>include</a>/</p><hr><h3>✏️ Editing: assume_aligned.h</h3>  
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            <textarea name='content' rows='20'>/*
   Copyright (c) 2020, MariaDB Corporation.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */

#pragma once

#include &lt;cassert&gt;
#include &lt;cstring&gt;

#ifdef _MSC_VER
template &lt;std::size_t Alignment, class T&gt;
static inline T my_assume_aligned(T ptr)
{
  assert(reinterpret_cast&lt;size_t&gt;(ptr) % Alignment == 0);
  __assume(reinterpret_cast&lt;size_t&gt;(ptr) % Alignment == 0);
  return ptr;
}
#else
template &lt;std::size_t Alignment, class T&gt;
static inline T my_assume_aligned(T ptr)
{
  assert(reinterpret_cast&lt;size_t&gt;(ptr) % Alignment == 0);
  return static_cast&lt;T&gt;(__builtin_assume_aligned(ptr, Alignment));
}
#endif

template &lt;std::size_t Alignment&gt;
inline void *memcpy_aligned(void *dest, const void *src, size_t n)
{
  static_assert(Alignment &amp;&amp; !(Alignment &amp; (Alignment - 1)), &quot;power of 2&quot;);

  return std::memcpy(my_assume_aligned&lt;Alignment&gt;(dest),
                     my_assume_aligned&lt;Alignment&gt;(src), n);
}
template &lt;std::size_t Alignment&gt;
inline void *memmove_aligned(void *dest, const void *src, size_t n)
{
  static_assert(Alignment &amp;&amp; !(Alignment &amp; (Alignment - 1)), &quot;power of 2&quot;);

  return std::memmove(my_assume_aligned&lt;Alignment&gt;(dest),
                      my_assume_aligned&lt;Alignment&gt;(src), n);
}
template &lt;std::size_t Alignment&gt;
inline int memcmp_aligned(const void *s1, const void *s2, size_t n)
{
  static_assert(Alignment &amp;&amp; !(Alignment &amp; (Alignment - 1)), &quot;power of 2&quot;);

  return std::memcmp(my_assume_aligned&lt;Alignment&gt;(s1),
                     my_assume_aligned&lt;Alignment&gt;(s2), n);
}
template &lt;std::size_t Alignment&gt;
inline void *memset_aligned(void *s, int c, size_t n)
{
  static_assert(Alignment &amp;&amp; !(Alignment &amp; (Alignment - 1)), &quot;power of 2&quot;);

  return std::memset(my_assume_aligned&lt;Alignment&gt;(s), c, n);
}
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