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

* '4.7' of scm.dev.nokia.troll.no:qt/oslo-staging-2:
  Use the fast conversion from RGB888 to RGB32 for Jpeg images
  Move the SIMD defines to the common declaration of Qt symbols
  Fixed: QT_DEPRECATED_WARNINGS defines QT3_SUPPORT

5 files changed, 31 insertions, 55 deletions

diff --git a/src/corelib/corelib.pro b/src/corelib/corelib.pro
index bbf445f..bc8ef9f 100644
--- a/src/corelib/corelib.pro
+++ b/src/corelib/corelib.pro
@@ -53,39 +53,6 @@ symbian: {
     DEPLOYMENT = partial_upgrade $$DEPLOYMENT
 }
 
-mmx {
-    DEFINES += QT_HAVE_MMX
-}
-3dnow {
-    DEFINES += QT_HAVE_3DNOW
-}
-sse {
-    DEFINES += QT_HAVE_SSE
-    DEFINES += QT_HAVE_MMXEXT
-}
-sse2 {
-    DEFINES += QT_HAVE_SSE2
-}
-sse3 {
-    DEFINES += QT_HAVE_SSE3
-}
-ssse3 {
-    DEFINES += QT_HAVE_SSSE3
-}
-sse4_1 {
-    DEFINES += QT_HAVE_SSE4_1
-}
-sse4_2 {
-    DEFINES += QT_HAVE_SSE4_2
-}
-avx {
-    DEFINES += QT_HAVE_AVX
-}
-iwmmxt {
-    DEFINES += QT_HAVE_IWMMXT
-}
-neon {
-    DEFINES += QT_HAVE_NEON
-    QMAKE_CXXFLAGS *= -mfpu=neon
-}
+neon: QMAKE_CXXFLAGS *= -mfpu=neon
+
 
diff --git a/src/corelib/global/qglobal.h b/src/corelib/global/qglobal.h
index 7b915cd..8f27b03 100644
--- a/src/corelib/global/qglobal.h
+++ b/src/corelib/global/qglobal.h
@@ -981,9 +981,11 @@ redefine to built-in booleans to make autotests work properly */
 #  undef QT_DEPRECATED_VARIABLE
 #  undef QT_DEPRECATED_CONSTRUCTOR
 #elif defined(QT_DEPRECATED_WARNINGS)
+#  ifdef QT3_SUPPORT
 /* enable Qt3 support warnings as well */
-#  undef QT3_SUPPORT_WARNINGS
-#  define QT3_SUPPORT_WARNINGS
+#    undef QT3_SUPPORT_WARNINGS
+#    define QT3_SUPPORT_WARNINGS
+#  endif
 #  undef QT_DEPRECATED
 #  define QT_DEPRECATED Q_DECL_DEPRECATED
 #  undef QT_DEPRECATED_VARIABLE
diff --git a/src/gui/gui.pro b/src/gui/gui.pro
index 1b43ef2..28440cc 100644
--- a/src/gui/gui.pro
+++ b/src/gui/gui.pro
@@ -80,17 +80,6 @@ symbian {
 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
-    sse3:DEFINES += QT_HAVE_SSE3
-    ssse3:DEFINES += QT_HAVE_SSSE3
-    sse4_1:DEFINES += QT_HAVE_SSE4_1
-    sse4_2:DEFINES += QT_HAVE_SSE4_2
-    avx:DEFINES += QT_HAVE_AVX
-    iwmmxt:DEFINES += QT_HAVE_IWMMXT
-
     win32-g++*|!win32:!*-icc* {
         mmx {
             mmx_compiler.commands = $$QMAKE_CXX -c -Winline
diff --git a/src/gui/image/qimage_ssse3.cpp b/src/gui/image/qimage_ssse3.cpp
index 1c664f2..cc4ac5e 100644
--- a/src/gui/image/qimage_ssse3.cpp
+++ b/src/gui/image/qimage_ssse3.cpp
@@ -45,13 +45,12 @@
 
 #ifdef QT_HAVE_SSSE3
 
-#include <stdio.h>
 QT_BEGIN_NAMESPACE
 
 // Convert a scanline of RGB888 (src) to RGB32 (dst)
 // src must be at least len * 3 bytes
 // dst must be at least len * 4 bytes
-inline void convert_rgb888_to_rgb32_ssse3(quint32 *dst, const uchar *src, int len)
+Q_GUI_EXPORT void QT_FASTCALL convert_rgb888_to_rgb32_ssse3(quint32 *dst, const uchar *src, int len)
 {
     quint32 *const end = dst + len;
 
diff --git a/src/gui/image/qjpeghandler.cpp b/src/gui/image/qjpeghandler.cpp
index 972dd65..0b731cb 100644
--- a/src/gui/image/qjpeghandler.cpp
+++ b/src/gui/image/qjpeghandler.cpp
@@ -45,6 +45,7 @@
 #include <qvariant.h>
 #include <qvector.h>
 #include <qbuffer.h>
+#include <private/qsimd_p.h>
 
 #include <stdio.h>      // jpeglib needs this to be pre-included
 #include <setjmp.h>
@@ -75,6 +76,19 @@ extern "C" {
 
 QT_BEGIN_NAMESPACE
 
+void QT_FASTCALL convert_rgb888_to_rgb32_C(quint32 *dst, const uchar *src, int len)
+{
+    // Expand 24->32 bpp.
+    for (int i = 0; i < len; ++i) {
+        *dst++ = qRgb(src[0], src[1], src[2]);
+        src += 3;
+    }
+}
+
+typedef void (QT_FASTCALL *Rgb888ToRgb32Converter)(quint32 *dst, const uchar *src, int len);
+
+static Rgb888ToRgb32Converter rgb888ToRgb32ConverterPtr = convert_rgb888_to_rgb32_C;
+
 struct my_error_mgr : public jpeg_error_mgr {
     jmp_buf setjmp_buffer;
 };
@@ -393,13 +407,9 @@ static bool read_jpeg_image(QImage *outImage,
                     continue;   // Haven't reached the starting line yet.
 
                 if (info->output_components == 3) {
-                    // Expand 24->32 bpp.
                     uchar *in = rows[0] + clip.x() * 3;
                     QRgb *out = (QRgb*)outImage->scanLine(y);
-                    for (int i = 0; i < clip.width(); ++i) {
-                        *out++ = qRgb(in[0], in[1], in[2]);
-                        in += 3;
-                    }
+                    rgb888ToRgb32ConverterPtr(out, in, clip.width());
                 } else if (info->out_color_space == JCS_CMYK) {
                     // Convert CMYK->RGB.
                     uchar *in = rows[0] + clip.x() * 4;
@@ -793,6 +803,15 @@ bool QJpegHandlerPrivate::read(QImage *image)
 QJpegHandler::QJpegHandler()
     : d(new QJpegHandlerPrivate(this))
 {
+#if defined(QT_HAVE_SSSE3)
+    const uint features = qDetectCPUFeatures();
+
+    // from qimage_ssse3.cpp
+    Q_GUI_EXPORT void QT_FASTCALL convert_rgb888_to_rgb32_ssse3(quint32 *dst, const uchar *src, int len);
+
+    if (features & SSSE3)
+        rgb888ToRgb32ConverterPtr = convert_rgb888_to_rgb32_ssse3;
+#endif // QT_HAVE_SSSE3
 }
 
 QJpegHandler::~QJpegHandler()