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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSIMD_P_H
#define QSIMD_P_H
#include <qglobal.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Core)
#if defined(QT_NO_MAC_XARCH) || (defined(Q_OS_DARWIN) && (defined(__ppc__) || defined(__ppc64__)))
// Disable MMX and SSE on Mac/PPC builds, or if the compiler
// does not support -Xarch argument passing
#undef QT_HAVE_SSE2
#undef QT_HAVE_SSE
#undef QT_HAVE_3DNOW
#undef QT_HAVE_MMX
#endif
#if defined(__x86_64__) || defined(Q_OS_WIN64) || defined(__ia64__) || defined(__SSE2__)
#if defined(QT_HAVE_SSE2)
// Defined for small fast functions that can take advantages of SSE2 intrinsics
#define QT_ALWAYS_HAVE_SSE2
#endif
#endif
// SSE intrinsics
#if defined(QT_HAVE_SSE2) || defined(QT_HAVE_SSE) || defined(QT_HAVE_MMX)
#if defined(QT_LINUXBASE)
/// this is an evil hack - the posix_memalign declaration in LSB
/// is wrong - see http://bugs.linuxbase.org/show_bug.cgi?id=2431
# define posix_memalign _lsb_hack_posix_memalign
# include <emmintrin.h>
# undef posix_memalign
#else
# include <emmintrin.h>
#endif
#endif
// NEON intrinsics
#if defined(QT_HAVE_NEON)
#include <arm_neon.h>
#endif
// IWMMXT intrinsics
#if defined(QT_HAVE_IWMMXT)
#include <mmintrin.h>
#if defined(Q_OS_WINCE)
# include "qplatformdefs.h"
#endif
#endif
#if !defined(__IWMMXT__) && !defined(Q_OS_WINCE)
# include <xmmintrin.h>
#elif defined(Q_OS_WINCE_STD) && defined(_X86_)
# pragma warning(disable: 4391)
# include <xmmintrin.h>
#endif
// 3D now intrinsics
#if defined(QT_HAVE_3DNOW)
#include <mm3dnow.h>
#endif
enum CPUFeatures {
None = 0,
MMX = 0x1,
MMXEXT = 0x2,
MMX3DNOW = 0x4,
MMX3DNOWEXT = 0x8,
SSE = 0x10,
SSE2 = 0x20,
CMOV = 0x40,
IWMMXT = 0x80,
NEON = 0x100
};
QT_END_NAMESPACE
QT_END_HEADER
Q_CORE_EXPORT uint qDetectCPUFeatures();
#endif // QSIMD_P_H
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