Adds CPU intrinsics detection in configure pass for compile time detection and "cpuid" runtime detection of which CPU instruction sets are available on the user device. Change-Id: I0ee4d0b22a7c51f72796d43e7383a31d03b437ad Reviewed-on: https://gerrit.libreoffice.org/75175 Tested-by: Jenkins Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
31 lines
778 B
C++
31 lines
778 B
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
*/
|
|
|
|
#ifndef INCLUDED_TOOLS_SIMD_HXX
|
|
#define INCLUDED_TOOLS_SIMD_HXX
|
|
|
|
namespace simd
|
|
{
|
|
template <typename T, unsigned int N> inline bool isAligned(const T* pointer)
|
|
{
|
|
return 0 == (uintptr_t(pointer) % N);
|
|
}
|
|
|
|
template <typename T> inline T roundDown(T value, unsigned int multiple)
|
|
{
|
|
return value & ~(multiple - 1);
|
|
}
|
|
|
|
} // end namespace simd
|
|
|
|
#endif // INCLUDED_TOOLS_SIMD_HXX
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|