| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 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. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** GNU Lesser General Public License Usage |
| ** 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. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU General |
| ** Public License version 3.0 as published by the Free Software Foundation |
| ** and appearing in the file LICENSE.GPL included in the packaging of this |
| ** file. Please review the following information to ensure the GNU General |
| ** Public License version 3.0 requirements will be met: |
| ** http://www.gnu.org/copyleft/gpl.html. |
| ** |
| ** Other Usage |
| ** Alternatively, this file may be used in accordance with the terms and |
| ** conditions contained in a signed written agreement between you and Nokia. |
| ** |
| ** |
| ** |
| ** |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QSIMD_P_H |
| #define QSIMD_P_H |
| |
| #include <qglobal.h> |
| |
| |
| QT_BEGIN_HEADER |
| |
| |
| #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_SSE |
| #undef QT_HAVE_SSE2 |
| #undef QT_HAVE_SSE3 |
| #undef QT_HAVE_SSSE3 |
| #undef QT_HAVE_SSE4_1 |
| #undef QT_HAVE_SSE4_2 |
| #undef QT_HAVE_AVX |
| #undef QT_HAVE_3DNOW |
| #undef QT_HAVE_MMX |
| #endif |
| |
| // SSE intrinsics |
| #if defined(QT_HAVE_SSE2) && (defined(__SSE2__) || defined(Q_CC_MSVC)) |
| #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 |
| # ifdef Q_CC_MINGW |
| # include <windows.h> |
| # endif |
| # include <emmintrin.h> |
| #endif |
| |
| // SSE3 intrinsics |
| #if defined(QT_HAVE_SSE3) && (defined(__SSE3__) || defined(Q_CC_MSVC)) |
| #include <pmmintrin.h> |
| #endif |
| |
| // SSSE3 intrinsics |
| #if defined(QT_HAVE_SSSE3) && (defined(__SSSE3__) || defined(Q_CC_MSVC)) |
| #include <tmmintrin.h> |
| #endif |
| |
| // SSE4.1 intrinsics |
| #if defined(QT_HAVE_SSE4_1) && (defined(__SSE4_1__) || defined(Q_CC_MSVC)) |
| #include <smmintrin.h> |
| #endif |
| |
| // SSE4.2 intrinsics |
| #if defined(QT_HAVE_SSE4_2) && (defined(__SSE4_2__) || defined(Q_CC_MSVC)) |
| #include <nmmintrin.h> |
| #endif |
| |
| // AVX intrinsics |
| #if defined(QT_HAVE_AVX) && (defined(__AVX__) || defined(Q_CC_MSVC)) |
| #include <immintrin.h> |
| #endif |
| |
| |
| #if !defined(QT_BOOTSTRAPPED) && (!defined(Q_CC_MSVC) || (defined(_M_X64) || _M_IX86_FP == 2)) |
| #define QT_ALWAYS_HAVE_SSE2 |
| #endif |
| #endif // defined(QT_HAVE_SSE2) && (defined(__SSE2__) || defined(Q_CC_MSVC)) |
| |
| // NEON intrinsics |
| #if defined __ARM_NEON__ |
| #define QT_ALWAYS_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(QT_HAVE_IWMMXT) |
| #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 |
| #endif |
| |
| // 3D now intrinsics |
| #if defined(QT_HAVE_3DNOW) |
| #include <mm3dnow.h> |
| #endif |
| |
| QT_BEGIN_NAMESPACE |
| |
| QT_MODULE(Core) |
| |
| enum CPUFeatures { |
| None = 0, |
| MMX = 0x1, |
| MMXEXT = 0x2, |
| MMX3DNOW = 0x4, |
| MMX3DNOWEXT = 0x8, |
| SSE = 0x10, |
| SSE2 = 0x20, |
| CMOV = 0x40, |
| IWMMXT = 0x80, |
| NEON = 0x100, |
| SSE3 = 0x200, |
| SSSE3 = 0x400, |
| SSE4_1 = 0x800, |
| SSE4_2 = 0x1000, |
| AVX = 0x2000 |
| }; |
| |
| Q_CORE_EXPORT uint qDetectCPUFeatures(); |
| |
| |
| #define ALIGNMENT_PROLOGUE_16BYTES(ptr, i, length) \ |
| for (; i < static_cast<int>(qMin(static_cast<quintptr>(length), ((4 - ((reinterpret_cast<quintptr>(ptr) >> 2) & 0x3)) & 0x3))); ++i) |
| |
| QT_END_NAMESPACE |
| |
| QT_END_HEADER |
| |
| #endif // QSIMD_P_H |