Merge branch '4.7' of git@scm.dev.nokia.troll.no:qt/oslo-staging-2 into 4.7

18 files changed, 618 insertions, 350 deletions

diff --git a/src/corelib/io/qprocess.cpp b/src/corelib/io/qprocess.cpp
index 8eba2b0..9bc4063 100644
--- a/src/corelib/io/qprocess.cpp
+++ b/src/corelib/io/qprocess.cpp
@@ -1377,6 +1377,50 @@ void QProcess::setStandardOutputProcess(QProcess *destination)
     dto->stdinChannel.pipeFrom(dfrom);
 }
 
+#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN)
+
+/*!
+    \since 4.7
+
+    Returns the additional native command line arguments for the program.
+
+    \note This function is available only on the Windows and Symbian
+    platforms.
+
+    \sa setNativeArguments()
+*/
+QString QProcess::nativeArguments() const
+{
+    Q_D(const QProcess);
+    return d->nativeArguments;
+}
+
+/*!
+    \since 4.7
+    \overload
+
+    Sets additional native command line arguments for the program.
+
+    On operating systems where the system API for passing command line
+    arguments to a subprocess natively uses a single string, one can
+    conceive command lines which cannot be passed via QProcess's portable
+    list-based API. In such cases this function must be used to set a
+    string which is \e appended to the string composed from the usual
+    argument list, with a delimiting space.
+
+    \note This function is available only on the Windows and Symbian
+    platforms.
+
+    \sa nativeArguments()
+*/
+void QProcess::setNativeArguments(const QString &arguments)
+{
+    Q_D(QProcess);
+    d->nativeArguments = arguments;
+}
+
+#endif
+
 /*!
     If QProcess has been assigned a working directory, this function returns
     the working directory that the QProcess will enter before the program has
@@ -2082,14 +2126,19 @@ QProcess::ExitStatus QProcess::exitStatus() const
     process.
 
     On Windows, arguments that contain spaces are wrapped in quotes.
+
+    If the process cannot be started, -2 is returned. If the process
+    crashes, -1 is returned. Otherwise, the process' exit code is
+    returned.
 */
 int QProcess::execute(const QString &program, const QStringList &arguments)
 {
     QProcess process;
     process.setReadChannelMode(ForwardedChannels);
     process.start(program, arguments);
-    process.waitForFinished(-1);
-    return process.exitCode();
+    if (!process.waitForFinished(-1))
+        return -2;
+    return process.exitStatus() == QProcess::NormalExit ? process.exitCode() : -1;
 }
 
 /*!
@@ -2104,8 +2153,9 @@ int QProcess::execute(const QString &program)
     QProcess process;
     process.setReadChannelMode(ForwardedChannels);
     process.start(program);
-    process.waitForFinished(-1);
-    return process.exitCode();
+    if (!process.waitForFinished(-1))
+        return -2;
+    return process.exitStatus() == QProcess::NormalExit ? process.exitCode() : -1;
 }
 
 /*!
diff --git a/src/corelib/io/qprocess.h b/src/corelib/io/qprocess.h
index f84b855..b07d742 100644
--- a/src/corelib/io/qprocess.h
+++ b/src/corelib/io/qprocess.h
@@ -148,6 +148,11 @@ public:
     void setStandardErrorFile(const QString &fileName, OpenMode mode = Truncate);
     void setStandardOutputProcess(QProcess *destination);
 
+#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN)
+    QString nativeArguments() const;
+    void setNativeArguments(const QString &arguments);
+#endif
+
     QString workingDirectory() const;
     void setWorkingDirectory(const QString &dir);
 
diff --git a/src/corelib/io/qprocess_p.h b/src/corelib/io/qprocess_p.h
index 60b7b5a..8b7e3ff 100644
--- a/src/corelib/io/qprocess_p.h
+++ b/src/corelib/io/qprocess_p.h
@@ -181,6 +181,9 @@ public:
 
     QString program;
     QStringList arguments;
+#if defined(Q_OS_WIN) || defined(Q_OS_SYMBIAN)
+    QString nativeArguments;
+#endif
     QProcessEnvironment environment;
 
     QRingBuffer outputReadBuffer;
diff --git a/src/corelib/io/qprocess_symbian.cpp b/src/corelib/io/qprocess_symbian.cpp
index 92212fe..af657b2 100644
--- a/src/corelib/io/qprocess_symbian.cpp
+++ b/src/corelib/io/qprocess_symbian.cpp
@@ -219,7 +219,8 @@ static bool qt_rprocess_running(RProcess *proc)
     return false;
 }
 
-static void qt_create_symbian_commandline(const QStringList &arguments, QString &commandLine)
+static void qt_create_symbian_commandline(
+    const QStringList &arguments, const QString &nativeArguments, QString &commandLine)
 {
     for (int i = 0; i < arguments.size(); ++i) {
         QString tmp = arguments.at(i);
@@ -243,12 +244,14 @@ static void qt_create_symbian_commandline(const QStringList &arguments, QString
         }
     }
 
-    // Chop the extra trailing space if any arguments were appended
-    if (arguments.size())
+    if (!nativeArguments.isEmpty())
+        commandLine += nativeArguments;
+    else if (!commandLine.isEmpty()) // Chop the extra trailing space if any arguments were appended
         commandLine.chop(1);
 }
 
-static TInt qt_create_symbian_process(RProcess **proc, const QString &programName, const QStringList &arguments)
+static TInt qt_create_symbian_process(RProcess **proc,
+    const QString &programName, const QStringList &arguments, const QString &nativeArguments)
 {
     RProcess *newProc = NULL;
     newProc = new RProcess();
@@ -257,7 +260,7 @@ static TInt qt_create_symbian_process(RProcess **proc, const QString &programNam
         return KErrNoMemory;
 
     QString commandLine;
-    qt_create_symbian_commandline(arguments, commandLine);
+    qt_create_symbian_commandline(arguments, nativeArguments, commandLine);
 
     TPtrC program_ptr(reinterpret_cast<const TText*>(programName.constData()));
     TPtrC cmdline_ptr(reinterpret_cast<const TText*>(commandLine.constData()));
@@ -794,7 +797,7 @@ void QProcessPrivate::startProcess()
                          q, SLOT(_q_processDied()));
     }
 
-    TInt err = qt_create_symbian_process(&symbianProcess, program, arguments);
+    TInt err = qt_create_symbian_process(&symbianProcess, program, arguments, nativeArguments);
 
     if (err == KErrNone) {
         pid = symbianProcess->Id().Id();
@@ -1030,7 +1033,7 @@ bool QProcessPrivate::startDetached(const QString &program, const QStringList &a
 
     RProcess *newProc = NULL;
 
-    TInt err = qt_create_symbian_process(&newProc, program, arguments);
+    TInt err = qt_create_symbian_process(&newProc, program, arguments, QString());
 
     if (err == KErrNone) {
         if (pid)
diff --git a/src/corelib/io/qprocess_win.cpp b/src/corelib/io/qprocess_win.cpp
index cb25a58..702349f 100644
--- a/src/corelib/io/qprocess_win.cpp
+++ b/src/corelib/io/qprocess_win.cpp
@@ -366,6 +366,11 @@ void QProcessPrivate::startProcess()
     if (environment.d.constData())
         envlist = qt_create_environment(environment.d.constData()->hash);
 #endif
+    if (!nativeArguments.isEmpty()) {
+        if (!args.isEmpty())
+             args += QLatin1Char(' ');
+        args += nativeArguments;
+    }
 
 #if defined QPROCESS_DEBUG
     qDebug("Creating process");
diff --git a/src/corelib/tools/qsimd_p.h b/src/corelib/tools/qsimd_p.h
index 58d2dcb..0ed9d5d 100644
--- a/src/corelib/tools/qsimd_p.h
+++ b/src/corelib/tools/qsimd_p.h
@@ -58,8 +58,7 @@ QT_BEGIN_HEADER
 #endif
 
 // SSE intrinsics
-#if defined(QT_HAVE_SSE2) && !defined(QT_BOOTSTRAPPED) && (defined(__SSE2__) \
-    || (defined(Q_CC_MSVC) && (defined(_M_X64) || _M_IX86_FP == 2)))
+#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
@@ -73,8 +72,10 @@ QT_BEGIN_HEADER
 #  include <emmintrin.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(QT_HAVE_NEON)
diff --git a/src/gui/gui.pro b/src/gui/gui.pro
index dede9d0..41f1904 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -77,3 +77,129 @@ symbian {
     DEPLOYMENT = partial_upgrade $$DEPLOYMENT
 }
 
+contains(QMAKE_MAC_XARCH, no) {
+    DEFINES += QT_NO_MAC_XARCH
+} else {
+    mmx:DEFINES += QT_HAVE_MMX
+    3dnow:DEFINES += QT_HAVE_3DNOW
+    sse:DEFINES += QT_HAVE_SSE QT_HAVE_MMXEXT
+    sse2:DEFINES += QT_HAVE_SSE2
+    iwmmxt:DEFINES += QT_HAVE_IWMMXT
+
+    win32-g++*|!win32:!*-icc* {
+        mmx {
+            mmx_compiler.commands = $$QMAKE_CXX -c -Winline
+
+            mac {
+                mmx_compiler.commands += -Xarch_i386 -mmmx
+                mmx_compiler.commands += -Xarch_x86_64 -mmmx
+            } else {
+                mmx_compiler.commands += -mmmx
+            }
+
+            mmx_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
+            mmx_compiler.dependency_type = TYPE_C
+            mmx_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
+            mmx_compiler.input = MMX_SOURCES
+            mmx_compiler.variable_out = OBJECTS
+            mmx_compiler.name = compiling[mmx] ${QMAKE_FILE_IN}
+            silent:mmx_compiler.commands = @echo compiling[mmx] ${QMAKE_FILE_IN} && $$mmx_compiler.commands
+            QMAKE_EXTRA_COMPILERS += mmx_compiler
+        }
+        3dnow {
+            mmx3dnow_compiler.commands = $$QMAKE_CXX -c -Winline
+
+            mac {
+                mmx3dnow_compiler.commands += -Xarch_i386 -m3dnow -Xarch_i386 -mmmx
+                mmx3dnow_compiler.commands += -Xarch_x86_64 -m3dnow -Xarch_x86_64 -mmmx
+            } else {
+                mmx3dnow_compiler.commands += -m3dnow -mmmx
+            }
+
+            mmx3dnow_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
+            mmx3dnow_compiler.dependency_type = TYPE_C
+            mmx3dnow_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
+            mmx3dnow_compiler.input = MMX3DNOW_SOURCES
+            mmx3dnow_compiler.variable_out = OBJECTS
+            mmx3dnow_compiler.name = compiling[mmx3dnow] ${QMAKE_FILE_IN}
+            silent:mmx3dnow_compiler.commands = @echo compiling[mmx3dnow] ${QMAKE_FILE_IN} && $$mmx3dnow_compiler.commands
+            QMAKE_EXTRA_COMPILERS += mmx3dnow_compiler
+            sse {
+                sse3dnow_compiler.commands = $$QMAKE_CXX -c -Winline
+
+                mac {
+                    sse3dnow_compiler.commands += -Xarch_i386 -m3dnow -Xarch_i386 -msse
+                    sse3dnow_compiler.commands += -Xarch_x86_64 -m3dnow -Xarch_x86_64 -msse
+                } else {
+                    sse3dnow_compiler.commands += -m3dnow -msse
+                }
+
+                sse3dnow_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
+                sse3dnow_compiler.dependency_type = TYPE_C
+                sse3dnow_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
+                sse3dnow_compiler.input = SSE3DNOW_SOURCES
+                sse3dnow_compiler.variable_out = OBJECTS
+                sse3dnow_compiler.name = compiling[sse3dnow] ${QMAKE_FILE_IN}
+                silent:sse3dnow_compiler.commands = @echo compiling[sse3dnow] ${QMAKE_FILE_IN} && $$sse3dnow_compiler.commands
+                QMAKE_EXTRA_COMPILERS += sse3dnow_compiler
+            }
+        }
+        sse {
+            sse_compiler.commands = $$QMAKE_CXX -c -Winline
+
+            mac {
+                sse_compiler.commands += -Xarch_i386 -msse
+                sse_compiler.commands += -Xarch_x86_64 -msse
+            } else {
+                sse_compiler.commands += -msse
+            }
+
+            sse_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
+            sse_compiler.dependency_type = TYPE_C
+            sse_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
+            sse_compiler.input = SSE_SOURCES
+            sse_compiler.variable_out = OBJECTS
+            sse_compiler.name = compiling[sse] ${QMAKE_FILE_IN}
+            silent:sse_compiler.commands = @echo compiling[sse] ${QMAKE_FILE_IN} && $$sse_compiler.commands
+            QMAKE_EXTRA_COMPILERS += sse_compiler
+        }
+        sse2 {
+            sse2_compiler.commands = $$QMAKE_CXX -c -Winline
+
+            mac {
+                sse2_compiler.commands += -Xarch_i386 -msse2
+                sse2_compiler.commands += -Xarch_x86_64 -msse2
+            } else {
+                sse2_compiler.commands += -msse2
+            }
+
+            sse2_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
+            sse2_compiler.dependency_type = TYPE_C
+            sse2_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
+            sse2_compiler.input = SSE2_SOURCES
+            sse2_compiler.variable_out = OBJECTS
+            sse2_compiler.name = compiling[sse2] ${QMAKE_FILE_IN}
+            silent:sse2_compiler.commands = @echo compiling[sse2] ${QMAKE_FILE_IN} && $$sse2_compiler.commands
+            QMAKE_EXTRA_COMPILERS += sse2_compiler
+        }
+        iwmmxt {
+            iwmmxt_compiler.commands = $$QMAKE_CXX -c -Winline
+            iwmmxt_compiler.commands += -mcpu=iwmmxt
+            iwmmxt_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
+            iwmmxt_compiler.dependency_type = TYPE_C
+            iwmmxt_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
+            iwmmxt_compiler.input = IWMMXT_SOURCES
+            iwmmxt_compiler.variable_out = OBJECTS
+            iwmmxt_compiler.name = compiling[iwmmxt] ${QMAKE_FILE_IN}
+            silent:iwmmxt_compiler.commands = @echo compiling[iwmmxt] ${QMAKE_FILE_IN} && $$iwmmxt_compiler.commands
+            QMAKE_EXTRA_COMPILERS += iwmmxt_compiler
+        }
+    } else {
+        mmx: SOURCES += $$MMX_SOURCES
+        3dnow: SOURCES += $$MMX3DNOW_SOURCES
+        3dnow:sse: SOURCES += $$SSE3DNOW_SOURCES
+        sse: SOURCES += $$SSE_SOURCES
+        sse2: SOURCES += $$SSE2_SOURCES
+        iwmmxt: SOURCES += $$IWMMXT_SOURCES
+    }
+}
diff --git a/src/gui/image/image.pri b/src/gui/image/image.pri
index 9f0c87e..3a02d56 100644
--- a/src/gui/image/image.pri
+++ b/src/gui/image/image.pri
@@ -92,3 +92,6 @@ contains(QT_CONFIG, jpeg):include($$PWD/qjpeghandler.pri)
 contains(QT_CONFIG, mng):include($$PWD/qmnghandler.pri)
 contains(QT_CONFIG, tiff):include($$PWD/qtiffhandler.pri)
 contains(QT_CONFIG, gif):include($$PWD/qgifhandler.pri)
+
+# SIMD
+SSE2_SOURCES += image/qimage_sse2.cpp
diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 79f266d..e5930ac 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -58,6 +58,7 @@
 #include <private/qmemrotate_p.h>
 #include <private/qpixmapdata_p.h>
 #include <private/qimagescale_p.h>
+#include <private/qsimd_p.h>
 
 #include <qhash.h>
 
@@ -209,7 +210,7 @@ QImageData * QImageData::create(const QSize &size, QImage::Format format, int nu
         break;
     }
 
-    const int bytes_per_line = ((width * depth + 31) >> 5) << 2; // bytes per scanline (must be multiple of 8)
+    const int bytes_per_line = ((width * depth + 31) >> 5) << 2; // bytes per scanline (must be multiple of 4)
 
     // sanity check for potential overflows
     if (INT_MAX/depth < width
@@ -3630,7 +3631,7 @@ static const Image_Converter converter_map[QImage::NImageFormats][QImage::NImage
     } // Format_ARGB4444_Premultiplied
 };
 
-static const InPlace_Image_Converter inplace_converter_map[QImage::NImageFormats][QImage::NImageFormats] =
+static InPlace_Image_Converter inplace_converter_map[QImage::NImageFormats][QImage::NImageFormats] =
 {
     {
         0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
@@ -3727,6 +3728,19 @@ static const InPlace_Image_Converter inplace_converter_map[QImage::NImageFormats
     } // Format_ARGB4444_Premultiplied
 };
 
+void qInitImageConversions()
+{
+    const uint features = qDetectCPUFeatures();
+    Q_UNUSED(features);
+
+#ifdef QT_HAVE_SSE2
+    if (features & SSE2) {
+        extern bool convert_ARGB_to_ARGB_PM_inplace_sse2(QImageData *data, Qt::ImageConversionFlags);
+        inplace_converter_map[QImage::Format_ARGB32][QImage::Format_ARGB32_Premultiplied] = convert_ARGB_to_ARGB_PM_inplace_sse2;
+    }
+#endif
+}
+
 /*!
     Returns a copy of the image in the given \a format.
 
diff --git a/src/gui/image/qimage_p.h b/src/gui/image/qimage_p.h
index f1a0c47..da535aa 100644
--- a/src/gui/image/qimage_p.h
+++ b/src/gui/image/qimage_p.h
@@ -61,6 +61,8 @@
 #include <QMap>
 #endif
 
+class QImageWriter;
+
 QT_BEGIN_NAMESPACE
 
 struct Q_GUI_EXPORT QImageData {        // internal image data
@@ -108,6 +110,8 @@ struct Q_GUI_EXPORT QImageData {        // internal image data
     QPaintEngine *paintEngine;
 };
 
+void qInitImageConversions();
+
 QT_END_NAMESPACE
 
 #endif
diff --git a/src/gui/image/qimage_sse2.cpp b/src/gui/image/qimage_sse2.cpp
new file mode 100644
index 0000000..82d49a6
--- /dev/null
+++ b/src/gui/image/qimage_sse2.cpp
@@ -0,0 +1,109 @@
+/****************************************************************************
+**
+** 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 QtGui 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qimage.h"
+#include <private/qimage_p.h>
+#include <private/qsimd_p.h>
+#include <private/qdrawhelper_p.h>
+#include <private/qdrawingprimitive_sse2_p.h>
+
+#ifdef QT_HAVE_SSE2
+
+QT_BEGIN_NAMESPACE
+
+bool convert_ARGB_to_ARGB_PM_inplace_sse2(QImageData *data, Qt::ImageConversionFlags)
+{
+    Q_ASSERT(data->format == QImage::Format_ARGB32);
+
+    // extra pixels on each line
+    const int spare = data->width & 3;
+    // width in pixels of the pad at the end of each line
+    const int pad = (data->bytes_per_line >> 2) - data->width;
+    const int iter = data->width >> 2;
+    int height = data->height;
+
+    const __m128i alphaMask = _mm_set1_epi32(0xff000000);
+    const __m128i nullVector = _mm_setzero_si128();
+    const __m128i half = _mm_set1_epi16(0x80);
+    const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);
+
+    __m128i *d = reinterpret_cast<__m128i*>(data->data);
+    while (height--) {
+        const __m128i *end = d + iter;
+
+        for (; d != end; ++d) {
+            const __m128i srcVector = _mm_loadu_si128(d);
+            const __m128i srcVectorAlpha = _mm_and_si128(srcVector, alphaMask);
+            if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, alphaMask)) == 0xffff) {
+                // opaque, data is unchanged
+            } else if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, nullVector)) == 0xffff) {
+                // fully transparent
+                _mm_storeu_si128(d, nullVector);
+            } else {
+                __m128i alphaChannel = _mm_srli_epi32(srcVector, 24);
+                alphaChannel = _mm_or_si128(alphaChannel, _mm_slli_epi32(alphaChannel, 16));
+
+                __m128i result;
+                BYTE_MUL_SSE2(result, srcVector, alphaChannel, colorMask, half);
+                result = _mm_or_si128(_mm_andnot_si128(alphaMask, result), srcVectorAlpha);
+                _mm_storeu_si128(d, result);
+            }
+        }
+
+        QRgb *p = reinterpret_cast<QRgb*>(d);
+        QRgb *pe = p+spare;
+        for (; p != pe; ++p) {
+            if (*p < 0x00ffffff)
+                *p = 0;
+            else if (*p < 0xff000000)
+                *p = PREMUL(*p);
+        }
+
+        d = reinterpret_cast<__m128i*>(p+pad);
+    }
+
+    data->format = QImage::Format_ARGB32_Premultiplied;
+    return true;
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_HAVE_SSE2
diff --git a/src/gui/kernel/qapplication.cpp b/src/gui/kernel/qapplication.cpp
index ccfe88c..94211fd 100644
--- a/src/gui/kernel/qapplication.cpp
+++ b/src/gui/kernel/qapplication.cpp
@@ -902,6 +902,7 @@ QApplication::QApplication(Display *dpy, int &argc, char **argv,
 #endif // Q_WS_X11
 
 extern void qInitDrawhelperAsm();
+extern void qInitImageConversions();
 extern int qRegisterGuiVariant();
 extern int qUnregisterGuiVariant();
 #ifndef QT_NO_STATEMACHINE
@@ -959,6 +960,8 @@ void QApplicationPrivate::initialize()
 
     // Set up which span functions should be used in raster engine...
     qInitDrawhelperAsm();
+    // and QImage conversion functions
+    qInitImageConversions();
 
 #ifndef QT_NO_WHEELEVENT
     QApplicationPrivate::wheel_scroll_lines = 3;
diff --git a/src/gui/kernel/qstandardgestures.cpp b/src/gui/kernel/qstandardgestures.cpp
index 8a3e89e..62d8a53 100644
--- a/src/gui/kernel/qstandardgestures.cpp
+++ b/src/gui/kernel/qstandardgestures.cpp
@@ -45,6 +45,7 @@
 #include "qevent.h"
 #include "qwidget.h"
 #include "qabstractscrollarea.h"
+#include <qgraphicssceneevent.h>
 #include "qdebug.h"
 
 #ifndef QT_NO_GESTURES
@@ -509,49 +510,65 @@ QTapAndHoldGestureRecognizer::recognize(QGesture *state, QObject *object,
     if (object == state && event->type() == QEvent::Timer) {
         q->killTimer(d->timerId);
         d->timerId = 0;
-        return QGestureRecognizer::Ignore | QGestureRecognizer::ConsumeEventHint;
+        return QGestureRecognizer::FinishGesture | QGestureRecognizer::ConsumeEventHint;
     }
 
     const QTouchEvent *ev = static_cast<const QTouchEvent *>(event);
-
-    QGestureRecognizer::Result result = QGestureRecognizer::CancelGesture;
+    const QMouseEvent *me = static_cast<const QMouseEvent *>(event);
+    const QGraphicsSceneMouseEvent *gsme = static_cast<const QGraphicsSceneMouseEvent *>(event);
 
     enum { TimerInterval = 2000 };
     enum { TapRadius = 40 };
 
     switch (event->type()) {
+    case QEvent::GraphicsSceneMousePress:
+        d->position = gsme->screenPos();
+        q->setHotSpot(d->position);
+        if (d->timerId)
+            q->killTimer(d->timerId);
+        d->timerId = q->startTimer(TimerInterval);
+        return QGestureRecognizer::MayBeGesture; // we don't show a sign of life until the timeout
+    case QEvent::MouseButtonPress:
+        d->position = me->globalPos();
+        q->setHotSpot(d->position);
+        if (d->timerId)
+            q->killTimer(d->timerId);
+        d->timerId = q->startTimer(TimerInterval);
+        return QGestureRecognizer::MayBeGesture; // we don't show a sign of life until the timeout
     case QEvent::TouchBegin:
-        d->position = ev->touchPoints().at(0).pos();
+        d->position = ev->touchPoints().at(0).startScreenPos();
+        q->setHotSpot(d->position);
         if (d->timerId)
             q->killTimer(d->timerId);
         d->timerId = q->startTimer(TimerInterval);
-        q->setHotSpot(ev->touchPoints().at(0).startScreenPos());
-        result = QGestureRecognizer::TriggerGesture;
-        break;
+        return QGestureRecognizer::MayBeGesture; // we don't show a sign of life until the timeout
+    case QEvent::GraphicsSceneMouseRelease:
+    case QEvent::MouseButtonRelease:
     case QEvent::TouchEnd:
-        if (d->timerId)
-            result = QGestureRecognizer::CancelGesture;
-        else
-            result = QGestureRecognizer::FinishGesture;
-        break;
+        return QGestureRecognizer::CancelGesture; // get out of the MayBeGesture state
     case QEvent::TouchUpdate:
-        if (q->state() != Qt::NoGesture && ev->touchPoints().size() == 1) {
+        if (d->timerId && ev->touchPoints().size() == 1) {
             QTouchEvent::TouchPoint p = ev->touchPoints().at(0);
             QPoint delta = p.pos().toPoint() - p.startPos().toPoint();
             if (delta.manhattanLength() <= TapRadius)
-                result = QGestureRecognizer::TriggerGesture;
+                return QGestureRecognizer::MayBeGesture;
         }
-        break;
-    case QEvent::MouseButtonPress:
-    case QEvent::MouseMove:
-    case QEvent::MouseButtonRelease:
-        result = QGestureRecognizer::Ignore;
-        break;
+        return QGestureRecognizer::CancelGesture;
+    case QEvent::MouseMove: {
+        QPoint delta = me->globalPos() - d->position.toPoint();
+        if (d->timerId && delta.manhattanLength() <= TapRadius)
+            return QGestureRecognizer::MayBeGesture;
+        return QGestureRecognizer::CancelGesture;
+    }
+    case QEvent::GraphicsSceneMouseMove: {
+        QPoint delta = gsme->screenPos() - d->position.toPoint();
+        if (d->timerId && delta.manhattanLength() <= TapRadius)
+            return QGestureRecognizer::MayBeGesture;
+        return QGestureRecognizer::CancelGesture;
+    }
     default:
-        result = QGestureRecognizer::Ignore;
-        break;
+        return QGestureRecognizer::Ignore;
     }
-    return result;
 }
 
 void QTapAndHoldGestureRecognizer::reset(QGesture *state)
diff --git a/src/gui/painting/painting.pri b/src/gui/painting/painting.pri
index 07aabc9..4023f65 100644
--- a/src/gui/painting/painting.pri
+++ b/src/gui/painting/painting.pri
@@ -202,154 +202,17 @@ x11|embedded {
         DEFINES += QT_NO_CUPS QT_NO_LPR
 }
 
-contains(QMAKE_MAC_XARCH, no) {
-    DEFINES += QT_NO_MAC_XARCH
-} else:if(mmx|3dnow|sse|sse2|iwmmxt) {
+if(mmx|3dnow|sse|sse2|iwmmxt) {
     HEADERS += painting/qdrawhelper_x86_p.h \
                painting/qdrawhelper_mmx_p.h \
-               painting/qdrawhelper_sse_p.h
-    mmx {
-        DEFINES += QT_HAVE_MMX
-        MMX_SOURCES += painting/qdrawhelper_mmx.cpp
-    }
-    3dnow {
-        DEFINES += QT_HAVE_3DNOW
-        MMX3DNOW_SOURCES += painting/qdrawhelper_mmx3dnow.cpp
-        sse {
-            SSE3DNOW_SOURCES += painting/qdrawhelper_sse3dnow.cpp
-        }
-    }
-    sse {
-        DEFINES += QT_HAVE_SSE
-        SSE_SOURCES += painting/qdrawhelper_sse.cpp
-
-        DEFINES += QT_HAVE_MMXEXT
-    }
-    sse2 {
-        DEFINES += QT_HAVE_SSE2
-        SSE2_SOURCES += painting/qdrawhelper_sse2.cpp
-    }
-    iwmmxt {
-        DEFINES += QT_HAVE_IWMMXT
-        IWMMXT_SOURCES += painting/qdrawhelper_iwmmxt.cpp
-    }
-
-    win32-g++*|!win32:!*-icc* {
-        mmx {
-            mmx_compiler.commands = $$QMAKE_CXX -c -Winline
-
-            mac {
-                mmx_compiler.commands += -Xarch_i386 -mmmx
-                mmx_compiler.commands += -Xarch_x86_64 -mmmx
-            } else {
-                mmx_compiler.commands += -mmmx
-            }
-
-            mmx_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
-            mmx_compiler.dependency_type = TYPE_C
-            mmx_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
-            mmx_compiler.input = MMX_SOURCES
-            mmx_compiler.variable_out = OBJECTS
-            mmx_compiler.name = compiling[mmx] ${QMAKE_FILE_IN}
-            silent:mmx_compiler.commands = @echo compiling[mmx] ${QMAKE_FILE_IN} && $$mmx_compiler.commands
-            QMAKE_EXTRA_COMPILERS += mmx_compiler
-        }
-        3dnow {
-            mmx3dnow_compiler.commands = $$QMAKE_CXX -c -Winline
-
-            mac {
-                mmx3dnow_compiler.commands += -Xarch_i386 -m3dnow -Xarch_i386 -mmmx
-                mmx3dnow_compiler.commands += -Xarch_x86_64 -m3dnow -Xarch_x86_64 -mmmx
-            } else {
-                mmx3dnow_compiler.commands += -m3dnow -mmmx
-            }
-
-            mmx3dnow_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
-            mmx3dnow_compiler.dependency_type = TYPE_C
-            mmx3dnow_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
-            mmx3dnow_compiler.input = MMX3DNOW_SOURCES
-            mmx3dnow_compiler.variable_out = OBJECTS
-            mmx3dnow_compiler.name = compiling[mmx3dnow] ${QMAKE_FILE_IN}
-            silent:mmx3dnow_compiler.commands = @echo compiling[mmx3dnow] ${QMAKE_FILE_IN} && $$mmx3dnow_compiler.commands
-            QMAKE_EXTRA_COMPILERS += mmx3dnow_compiler
-            sse {
-                sse3dnow_compiler.commands = $$QMAKE_CXX -c -Winline
-
-                mac {
-                    sse3dnow_compiler.commands += -Xarch_i386 -m3dnow -Xarch_i386 -msse
-                    sse3dnow_compiler.commands += -Xarch_x86_64 -m3dnow -Xarch_x86_64 -msse
-                } else {
-                    sse3dnow_compiler.commands += -m3dnow -msse
-                }
-
-                sse3dnow_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
-                sse3dnow_compiler.dependency_type = TYPE_C
-                sse3dnow_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
-                sse3dnow_compiler.input = SSE3DNOW_SOURCES
-                sse3dnow_compiler.variable_out = OBJECTS
-                sse3dnow_compiler.name = compiling[sse3dnow] ${QMAKE_FILE_IN}
-                silent:sse3dnow_compiler.commands = @echo compiling[sse3dnow] ${QMAKE_FILE_IN} && $$sse3dnow_compiler.commands
-                QMAKE_EXTRA_COMPILERS += sse3dnow_compiler
-            }
-        }
-        sse {
-            sse_compiler.commands = $$QMAKE_CXX -c -Winline
-
-            mac {
-                sse_compiler.commands += -Xarch_i386 -msse
-                sse_compiler.commands += -Xarch_x86_64 -msse
-            } else {
-                sse_compiler.commands += -msse
-            }
-
-            sse_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
-            sse_compiler.dependency_type = TYPE_C
-            sse_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
-            sse_compiler.input = SSE_SOURCES
-            sse_compiler.variable_out = OBJECTS
-            sse_compiler.name = compiling[sse] ${QMAKE_FILE_IN}
-            silent:sse_compiler.commands = @echo compiling[sse] ${QMAKE_FILE_IN} && $$sse_compiler.commands
-            QMAKE_EXTRA_COMPILERS += sse_compiler
-        }
-        sse2 {
-            sse2_compiler.commands = $$QMAKE_CXX -c -Winline
-
-            mac {
-                sse2_compiler.commands += -Xarch_i386 -msse2
-                sse2_compiler.commands += -Xarch_x86_64 -msse2
-            } else {
-                sse2_compiler.commands += -msse2
-            }
-
-            sse2_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
-            sse2_compiler.dependency_type = TYPE_C
-            sse2_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
-            sse2_compiler.input = SSE2_SOURCES
-            sse2_compiler.variable_out = OBJECTS
-            sse2_compiler.name = compiling[sse2] ${QMAKE_FILE_IN}
-            silent:sse2_compiler.commands = @echo compiling[sse2] ${QMAKE_FILE_IN} && $$sse2_compiler.commands
-            QMAKE_EXTRA_COMPILERS += sse2_compiler
-        }
-        iwmmxt {
-            iwmmxt_compiler.commands = $$QMAKE_CXX -c -Winline
-            iwmmxt_compiler.commands += -mcpu=iwmmxt
-            iwmmxt_compiler.commands += $(CXXFLAGS) $(INCPATH) ${QMAKE_FILE_IN} -o ${QMAKE_FILE_OUT}
-            iwmmxt_compiler.dependency_type = TYPE_C
-            iwmmxt_compiler.output = ${QMAKE_VAR_OBJECTS_DIR}${QMAKE_FILE_BASE}$${first(QMAKE_EXT_OBJ)}
-            iwmmxt_compiler.input = IWMMXT_SOURCES
-            iwmmxt_compiler.variable_out = OBJECTS
-            iwmmxt_compiler.name = compiling[iwmmxt] ${QMAKE_FILE_IN}
-            silent:iwmmxt_compiler.commands = @echo compiling[iwmmxt] ${QMAKE_FILE_IN} && $$iwmmxt_compiler.commands
-            QMAKE_EXTRA_COMPILERS += iwmmxt_compiler
-        }
-    } else {
-        mmx: SOURCES += $$MMX_SOURCES
-        3dnow: SOURCES += $$MMX3DNOW_SOURCES
-        3dnow:sse: SOURCES += $$SSE3DNOW_SOURCES
-        sse: SOURCES += $$SSE_SOURCES
-        sse2: SOURCES += $$SSE2_SOURCES
-        iwmmxt: SOURCES += $$IWMMXT_SOURCES
-    }
+               painting/qdrawhelper_sse_p.h \
+               painting/qdrawingprimitive_sse2_p.h
+    MMX_SOURCES += painting/qdrawhelper_mmx.cpp
+    MMX3DNOW_SOURCES += painting/qdrawhelper_mmx3dnow.cpp
+    SSE3DNOW_SOURCES += painting/qdrawhelper_sse3dnow.cpp
+    SSE_SOURCES += painting/qdrawhelper_sse.cpp
+    SSE2_SOURCES += painting/qdrawhelper_sse2.cpp
+    IWMMXT_SOURCES += painting/qdrawhelper_iwmmxt.cpp
 }
 
 x11 {
diff --git a/src/gui/painting/qdrawhelper_sse2.cpp b/src/gui/painting/qdrawhelper_sse2.cpp
index 6cd8688..346e177 100644
--- a/src/gui/painting/qdrawhelper_sse2.cpp
+++ b/src/gui/painting/qdrawhelper_sse2.cpp
@@ -43,176 +43,12 @@
 
 #ifdef QT_HAVE_SSE2
 
+#include <private/qsimd_p.h>
+#include <private/qdrawingprimitive_sse2_p.h>
 #include <private/qpaintengine_raster_p.h>
 
-#ifdef 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
-
 QT_BEGIN_NAMESPACE
 
-/*
- * Multiply the components of pixelVector by alphaChannel
- * Each 32bits components of alphaChannel must be in the form 0x00AA00AA
- * colorMask must have 0x00ff00ff on each 32 bits component
- * half must have the value 128 (0x80) for each 32 bits compnent
- */
-#define BYTE_MUL_SSE2(result, pixelVector, alphaChannel, colorMask, half) \
-{ \
-    /* 1. separate the colors in 2 vectors so each color is on 16 bits \
-       (in order to be multiplied by the alpha \
-       each 32 bit of dstVectorAG are in the form 0x00AA00GG \
-       each 32 bit of dstVectorRB are in the form 0x00RR00BB */\
-    __m128i pixelVectorAG = _mm_srli_epi16(pixelVector, 8); \
-    __m128i pixelVectorRB = _mm_and_si128(pixelVector, colorMask); \
- \
-    /* 2. multiply the vectors by the alpha channel */\
-    pixelVectorAG = _mm_mullo_epi16(pixelVectorAG, alphaChannel); \
-    pixelVectorRB = _mm_mullo_epi16(pixelVectorRB, alphaChannel); \
- \
-    /* 3. devide by 255, that's the tricky part. \
-       we do it like for BYTE_MUL(), with bit shift: X/255 ~= (X + X/256 + rounding)/256 */ \
-    /** so first (X + X/256 + rounding) */\
-    pixelVectorRB = _mm_add_epi16(pixelVectorRB, _mm_srli_epi16(pixelVectorRB, 8)); \
-    pixelVectorRB = _mm_add_epi16(pixelVectorRB, half); \
-    pixelVectorAG = _mm_add_epi16(pixelVectorAG, _mm_srli_epi16(pixelVectorAG, 8)); \
-    pixelVectorAG = _mm_add_epi16(pixelVectorAG, half); \
- \
-    /** second devide by 256 */\
-    pixelVectorRB = _mm_srli_epi16(pixelVectorRB, 8); \
-    /** for AG, we could >> 8 to divide followed by << 8 to put the \
-        bytes in the correct position. By masking instead, we execute \
-        only one instruction */\
-    pixelVectorAG = _mm_andnot_si128(colorMask, pixelVectorAG); \
- \
-    /* 4. combine the 2 pairs of colors */ \
-    result = _mm_or_si128(pixelVectorAG, pixelVectorRB); \
-}
-
-/*
- * Each 32bits components of alphaChannel must be in the form 0x00AA00AA
- * oneMinusAlphaChannel must be 255 - alpha for each 32 bits component
- * colorMask must have 0x00ff00ff on each 32 bits component
- * half must have the value 128 (0x80) for each 32 bits compnent
- */
-#define INTERPOLATE_PIXEL_255_SSE2(result, srcVector, dstVector, alphaChannel, oneMinusAlphaChannel, colorMask, half) { \
-    /* interpolate AG */\
-    __m128i srcVectorAG = _mm_srli_epi16(srcVector, 8); \
-    __m128i dstVectorAG = _mm_srli_epi16(dstVector, 8); \
-    __m128i srcVectorAGalpha = _mm_mullo_epi16(srcVectorAG, alphaChannel); \
-    __m128i dstVectorAGoneMinusAlphalpha = _mm_mullo_epi16(dstVectorAG, oneMinusAlphaChannel); \
-    __m128i finalAG = _mm_add_epi16(srcVectorAGalpha, dstVectorAGoneMinusAlphalpha); \
-    finalAG = _mm_add_epi16(finalAG, _mm_srli_epi16(finalAG, 8)); \
-    finalAG = _mm_add_epi16(finalAG, half); \
-    finalAG = _mm_andnot_si128(colorMask, finalAG); \
- \
-    /* interpolate RB */\
-    __m128i srcVectorRB = _mm_and_si128(srcVector, colorMask); \
-    __m128i dstVectorRB = _mm_and_si128(dstVector, colorMask); \
-    __m128i srcVectorRBalpha = _mm_mullo_epi16(srcVectorRB, alphaChannel); \
-    __m128i dstVectorRBoneMinusAlphalpha = _mm_mullo_epi16(dstVectorRB, oneMinusAlphaChannel); \
-    __m128i finalRB = _mm_add_epi16(srcVectorRBalpha, dstVectorRBoneMinusAlphalpha); \
-    finalRB = _mm_add_epi16(finalRB, _mm_srli_epi16(finalRB, 8)); \
-    finalRB = _mm_add_epi16(finalRB, half); \
-    finalRB = _mm_srli_epi16(finalRB, 8); \
- \
-    /* combine */\
-    result = _mm_or_si128(finalAG, finalRB); \
-}
-
-// Basically blend src over dst with the const alpha defined as constAlphaVector.
-// nullVector, half, one, colorMask are constant accross the whole image/texture, and should be defined as:
-//const __m128i nullVector = _mm_set1_epi32(0);
-//const __m128i half = _mm_set1_epi16(0x80);
-//const __m128i one = _mm_set1_epi16(0xff);
-//const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);
-//const __m128i alphaMask = _mm_set1_epi32(0xff000000);
-//
-// The computation being done is:
-// result = s + d * (1-alpha)
-// with shortcuts if fully opaque or fully transparent.
-#define BLEND_SOURCE_OVER_ARGB32_SSE2(dst, src, length, nullVector, half, one, colorMask, alphaMask) { \
-    int x = 0; \
-    for (; x < length-3; x += 4) { \
-        const __m128i srcVector = _mm_loadu_si128((__m128i *)&src[x]); \
-        const __m128i srcVectorAlpha = _mm_and_si128(srcVector, alphaMask); \
-        if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, alphaMask)) == 0xffff) { \
-            /* all opaque */ \
-            _mm_storeu_si128((__m128i *)&dst[x], srcVector); \
-        } else if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, nullVector)) != 0xffff) { \
-            /* not fully transparent */ \
-            /* extract the alpha channel on 2 x 16 bits */ \
-            /* so we have room for the multiplication */ \
-            /* each 32 bits will be in the form 0x00AA00AA */ \
-            /* with A being the 1 - alpha */ \
-            __m128i alphaChannel = _mm_srli_epi32(srcVector, 24); \
-            alphaChannel = _mm_or_si128(alphaChannel, _mm_slli_epi32(alphaChannel, 16)); \
-            alphaChannel = _mm_sub_epi16(one, alphaChannel); \
- \
-            const __m128i dstVector = _mm_loadu_si128((__m128i *)&dst[x]); \
-            __m128i destMultipliedByOneMinusAlpha; \
-            BYTE_MUL_SSE2(destMultipliedByOneMinusAlpha, dstVector, alphaChannel, colorMask, half); \
- \
-            /* result = s + d * (1-alpha) */\
-            const __m128i result = _mm_add_epi8(srcVector, destMultipliedByOneMinusAlpha); \
-            _mm_storeu_si128((__m128i *)&dst[x], result); \
-        } \
-    } \
-    for (; x < length; ++x) { \
-        uint s = src[x]; \
-        if (s >= 0xff000000) \
-            dst[x] = s; \
-        else if (s != 0) \
-            dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); \
-    } \
-}
-
-// Basically blend src over dst with the const alpha defined as constAlphaVector.
-// nullVector, half, one, colorMask are constant accross the whole image/texture, and should be defined as:
-//const __m128i nullVector = _mm_set1_epi32(0);
-//const __m128i half = _mm_set1_epi16(0x80);
-//const __m128i one = _mm_set1_epi16(0xff);
-//const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);
-//
-// The computation being done is:
-// dest = (s + d * sia) * ca + d * cia
-//      = s * ca + d * (sia * ca + cia)
-//      = s * ca + d * (1 - sa*ca)
-#define BLEND_SOURCE_OVER_ARGB32_WITH_CONST_ALPHA_SSE2(dst, src, length, nullVector, half, one, colorMask, constAlphaVector) \
-{ \
-    int x = 0; \
-    for (; x < length-3; x += 4) { \
-        __m128i srcVector = _mm_loadu_si128((__m128i *)&src[x]); \
-        if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVector, nullVector)) != 0xffff) { \
-            BYTE_MUL_SSE2(srcVector, srcVector, constAlphaVector, colorMask, half); \
-\
-            __m128i alphaChannel = _mm_srli_epi32(srcVector, 24); \
-            alphaChannel = _mm_or_si128(alphaChannel, _mm_slli_epi32(alphaChannel, 16)); \
-            alphaChannel = _mm_sub_epi16(one, alphaChannel); \
- \
-            const __m128i dstVector = _mm_loadu_si128((__m128i *)&dst[x]); \
-            __m128i destMultipliedByOneMinusAlpha; \
-            BYTE_MUL_SSE2(destMultipliedByOneMinusAlpha, dstVector, alphaChannel, colorMask, half); \
- \
-            const __m128i result = _mm_add_epi8(srcVector, destMultipliedByOneMinusAlpha); \
-            _mm_storeu_si128((__m128i *)&dst[x], result); \
-        } \
-    } \
-    for (; x < length; ++x) { \
-        quint32 s = src[x]; \
-        if (s != 0) { \
-            s = BYTE_MUL(s, const_alpha); \
-            dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); \
-        } \
-    } \
-}
-
 void qt_blend_argb32_on_argb32_sse2(uchar *destPixels, int dbpl,
                                     const uchar *srcPixels, int sbpl,
                                     int w, int h,
diff --git a/src/gui/painting/qdrawingprimitive_sse2_p.h b/src/gui/painting/qdrawingprimitive_sse2_p.h
new file mode 100644
index 0000000..3c96946
--- /dev/null
+++ b/src/gui/painting/qdrawingprimitive_sse2_p.h
@@ -0,0 +1,222 @@
+/****************************************************************************
+**
+** 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 QtGui 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 QDRAWINGPRIMITIVE_SSE2_P_H
+#define QDRAWINGPRIMITIVE_SSE2_P_H
+
+#include <private/qsimd_p.h>
+
+#ifdef QT_HAVE_SSE2
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+QT_BEGIN_NAMESPACE
+
+/*
+ * Multiply the components of pixelVector by alphaChannel
+ * Each 32bits components of alphaChannel must be in the form 0x00AA00AA
+ * colorMask must have 0x00ff00ff on each 32 bits component
+ * half must have the value 128 (0x80) for each 32 bits compnent
+ */
+#define BYTE_MUL_SSE2(result, pixelVector, alphaChannel, colorMask, half) \
+{ \
+    /* 1. separate the colors in 2 vectors so each color is on 16 bits \
+       (in order to be multiplied by the alpha \
+       each 32 bit of dstVectorAG are in the form 0x00AA00GG \
+       each 32 bit of dstVectorRB are in the form 0x00RR00BB */\
+    __m128i pixelVectorAG = _mm_srli_epi16(pixelVector, 8); \
+    __m128i pixelVectorRB = _mm_and_si128(pixelVector, colorMask); \
+ \
+    /* 2. multiply the vectors by the alpha channel */\
+    pixelVectorAG = _mm_mullo_epi16(pixelVectorAG, alphaChannel); \
+    pixelVectorRB = _mm_mullo_epi16(pixelVectorRB, alphaChannel); \
+ \
+    /* 3. devide by 255, that's the tricky part. \
+       we do it like for BYTE_MUL(), with bit shift: X/255 ~= (X + X/256 + rounding)/256 */ \
+    /** so first (X + X/256 + rounding) */\
+    pixelVectorRB = _mm_add_epi16(pixelVectorRB, _mm_srli_epi16(pixelVectorRB, 8)); \
+    pixelVectorRB = _mm_add_epi16(pixelVectorRB, half); \
+    pixelVectorAG = _mm_add_epi16(pixelVectorAG, _mm_srli_epi16(pixelVectorAG, 8)); \
+    pixelVectorAG = _mm_add_epi16(pixelVectorAG, half); \
+ \
+    /** second devide by 256 */\
+    pixelVectorRB = _mm_srli_epi16(pixelVectorRB, 8); \
+    /** for AG, we could >> 8 to divide followed by << 8 to put the \
+        bytes in the correct position. By masking instead, we execute \
+        only one instruction */\
+    pixelVectorAG = _mm_andnot_si128(colorMask, pixelVectorAG); \
+ \
+    /* 4. combine the 2 pairs of colors */ \
+    result = _mm_or_si128(pixelVectorAG, pixelVectorRB); \
+}
+
+/*
+ * Each 32bits components of alphaChannel must be in the form 0x00AA00AA
+ * oneMinusAlphaChannel must be 255 - alpha for each 32 bits component
+ * colorMask must have 0x00ff00ff on each 32 bits component
+ * half must have the value 128 (0x80) for each 32 bits compnent
+ */
+#define INTERPOLATE_PIXEL_255_SSE2(result, srcVector, dstVector, alphaChannel, oneMinusAlphaChannel, colorMask, half) { \
+    /* interpolate AG */\
+    __m128i srcVectorAG = _mm_srli_epi16(srcVector, 8); \
+    __m128i dstVectorAG = _mm_srli_epi16(dstVector, 8); \
+    __m128i srcVectorAGalpha = _mm_mullo_epi16(srcVectorAG, alphaChannel); \
+    __m128i dstVectorAGoneMinusAlphalpha = _mm_mullo_epi16(dstVectorAG, oneMinusAlphaChannel); \
+    __m128i finalAG = _mm_add_epi16(srcVectorAGalpha, dstVectorAGoneMinusAlphalpha); \
+    finalAG = _mm_add_epi16(finalAG, _mm_srli_epi16(finalAG, 8)); \
+    finalAG = _mm_add_epi16(finalAG, half); \
+    finalAG = _mm_andnot_si128(colorMask, finalAG); \
+ \
+    /* interpolate RB */\
+    __m128i srcVectorRB = _mm_and_si128(srcVector, colorMask); \
+    __m128i dstVectorRB = _mm_and_si128(dstVector, colorMask); \
+    __m128i srcVectorRBalpha = _mm_mullo_epi16(srcVectorRB, alphaChannel); \
+    __m128i dstVectorRBoneMinusAlphalpha = _mm_mullo_epi16(dstVectorRB, oneMinusAlphaChannel); \
+    __m128i finalRB = _mm_add_epi16(srcVectorRBalpha, dstVectorRBoneMinusAlphalpha); \
+    finalRB = _mm_add_epi16(finalRB, _mm_srli_epi16(finalRB, 8)); \
+    finalRB = _mm_add_epi16(finalRB, half); \
+    finalRB = _mm_srli_epi16(finalRB, 8); \
+ \
+    /* combine */\
+    result = _mm_or_si128(finalAG, finalRB); \
+}
+
+// Basically blend src over dst with the const alpha defined as constAlphaVector.
+// nullVector, half, one, colorMask are constant accross the whole image/texture, and should be defined as:
+//const __m128i nullVector = _mm_set1_epi32(0);
+//const __m128i half = _mm_set1_epi16(0x80);
+//const __m128i one = _mm_set1_epi16(0xff);
+//const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);
+//const __m128i alphaMask = _mm_set1_epi32(0xff000000);
+//
+// The computation being done is:
+// result = s + d * (1-alpha)
+// with shortcuts if fully opaque or fully transparent.
+#define BLEND_SOURCE_OVER_ARGB32_SSE2(dst, src, length, nullVector, half, one, colorMask, alphaMask) { \
+    int x = 0; \
+    for (; x < length-3; x += 4) { \
+        const __m128i srcVector = _mm_loadu_si128((__m128i *)&src[x]); \
+        const __m128i srcVectorAlpha = _mm_and_si128(srcVector, alphaMask); \
+        if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, alphaMask)) == 0xffff) { \
+            /* all opaque */ \
+            _mm_storeu_si128((__m128i *)&dst[x], srcVector); \
+        } else if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVectorAlpha, nullVector)) != 0xffff) { \
+            /* not fully transparent */ \
+            /* extract the alpha channel on 2 x 16 bits */ \
+            /* so we have room for the multiplication */ \
+            /* each 32 bits will be in the form 0x00AA00AA */ \
+            /* with A being the 1 - alpha */ \
+            __m128i alphaChannel = _mm_srli_epi32(srcVector, 24); \
+            alphaChannel = _mm_or_si128(alphaChannel, _mm_slli_epi32(alphaChannel, 16)); \
+            alphaChannel = _mm_sub_epi16(one, alphaChannel); \
+ \
+            const __m128i dstVector = _mm_loadu_si128((__m128i *)&dst[x]); \
+            __m128i destMultipliedByOneMinusAlpha; \
+            BYTE_MUL_SSE2(destMultipliedByOneMinusAlpha, dstVector, alphaChannel, colorMask, half); \
+ \
+            /* result = s + d * (1-alpha) */\
+            const __m128i result = _mm_add_epi8(srcVector, destMultipliedByOneMinusAlpha); \
+            _mm_storeu_si128((__m128i *)&dst[x], result); \
+        } \
+    } \
+    for (; x < length; ++x) { \
+        uint s = src[x]; \
+        if (s >= 0xff000000) \
+            dst[x] = s; \
+        else if (s != 0) \
+            dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); \
+    } \
+}
+
+// Basically blend src over dst with the const alpha defined as constAlphaVector.
+// nullVector, half, one, colorMask are constant accross the whole image/texture, and should be defined as:
+//const __m128i nullVector = _mm_set1_epi32(0);
+//const __m128i half = _mm_set1_epi16(0x80);
+//const __m128i one = _mm_set1_epi16(0xff);
+//const __m128i colorMask = _mm_set1_epi32(0x00ff00ff);
+//
+// The computation being done is:
+// dest = (s + d * sia) * ca + d * cia
+//      = s * ca + d * (sia * ca + cia)
+//      = s * ca + d * (1 - sa*ca)
+#define BLEND_SOURCE_OVER_ARGB32_WITH_CONST_ALPHA_SSE2(dst, src, length, nullVector, half, one, colorMask, constAlphaVector) \
+{ \
+    int x = 0; \
+    for (; x < length-3; x += 4) { \
+        __m128i srcVector = _mm_loadu_si128((__m128i *)&src[x]); \
+        if (_mm_movemask_epi8(_mm_cmpeq_epi32(srcVector, nullVector)) != 0xffff) { \
+            BYTE_MUL_SSE2(srcVector, srcVector, constAlphaVector, colorMask, half); \
+\
+            __m128i alphaChannel = _mm_srli_epi32(srcVector, 24); \
+            alphaChannel = _mm_or_si128(alphaChannel, _mm_slli_epi32(alphaChannel, 16)); \
+            alphaChannel = _mm_sub_epi16(one, alphaChannel); \
+ \
+            const __m128i dstVector = _mm_loadu_si128((__m128i *)&dst[x]); \
+            __m128i destMultipliedByOneMinusAlpha; \
+            BYTE_MUL_SSE2(destMultipliedByOneMinusAlpha, dstVector, alphaChannel, colorMask, half); \
+ \
+            const __m128i result = _mm_add_epi8(srcVector, destMultipliedByOneMinusAlpha); \
+            _mm_storeu_si128((__m128i *)&dst[x], result); \
+        } \
+    } \
+    for (; x < length; ++x) { \
+        quint32 s = src[x]; \
+        if (s != 0) { \
+            s = BYTE_MUL(s, const_alpha); \
+            dst[x] = s + BYTE_MUL(dst[x], qAlpha(~s)); \
+        } \
+    } \
+}
+
+QT_END_NAMESPACE
+
+#endif // QT_HAVE_SSE2
+
+#endif // QDRAWINGPRIMITIVE_SSE2_P_H
diff --git a/src/s60installs/bwins/QtCoreu.def b/src/s60installs/bwins/QtCoreu.def
index 101c6a8..94be1bb 100644
--- a/src/s60installs/bwins/QtCoreu.def
+++ b/src/s60installs/bwins/QtCoreu.def
@@ -4482,4 +4482,6 @@ EXPORTS
 	?textDirection@QLocale@@QBE?AW4LayoutDirection@Qt@@XZ @ 4481 NONAME ; enum Qt::LayoutDirection QLocale::textDirection(void) const
 	?peek@QIODevicePrivate@@UAE_JPAD_J@Z @ 4482 NONAME ; long long QIODevicePrivate::peek(char *, long long)
 	?peek@QIODevicePrivate@@UAE?AVQByteArray@@_J@Z @ 4483 NONAME ; class QByteArray QIODevicePrivate::peek(long long)
+	?nativeArguments@QProcess@@QBE?AVQString@@XZ @ 4484 NONAME ; class QString QProcess::nativeArguments(void) const
+	?setNativeArguments@QProcess@@QAEXABVQString@@@Z @ 4485 NONAME ; void QProcess::setNativeArguments(class QString const &)
 
diff --git a/src/s60installs/eabi/QtCoreu.def b/src/s60installs/eabi/QtCoreu.def
index 7b9e777..46c4885 100644
--- a/src/s60installs/eabi/QtCoreu.def
+++ b/src/s60installs/eabi/QtCoreu.def
@@ -3709,4 +3709,6 @@ EXPORTS
 	_ZNK7QString13isRightToLeftEv @ 3708 NONAME
 	_ZN16QIODevicePrivate4peekEPcx @ 3709 NONAME
 	_ZN16QIODevicePrivate4peekEx @ 3710 NONAME
+	_ZN8QProcess18setNativeArgumentsERK7QString @ 3711 NONAME
+	_ZNK8QProcess15nativeArgumentsEv @ 3712 NONAME