Merge remote-tracking branch 'origin/5.7' into dev

Conflicts:
	config_help.txt
	configure
	mkspecs/features/uikit/sdk.prf
	src/corelib/global/qhooks.cpp
	src/corelib/io/qfilesystemwatcher.cpp
	src/corelib/io/qlockfile_unix.cpp
	src/corelib/tools/qalgorithms.h
	src/gui/kernel/qwindowsysteminterface.h
	src/gui/text/qtextdocument_p.cpp
	src/network/access/access.pri
	src/network/access/qnetworkaccessmanager.cpp
	src/network/access/qnetworkreplynsurlconnectionimpl.mm
	src/src.pro
	src/testlib/qtestcase.cpp
	src/widgets/kernel/qwidgetbackingstore_p.h
	src/widgets/styles/qwindowscestyle.cpp
	src/widgets/styles/qwindowsmobilestyle.cpp
	tests/auto/corelib/io/qdiriterator/qdiriterator.pro
	tests/auto/corelib/io/qfileinfo/qfileinfo.pro
	tests/auto/gui/kernel/qwindow/BLACKLIST
	tests/auto/widgets/dialogs/qfilesystemmodel/tst_qfilesystemmodel.cpp
	tools/configure/configureapp.cpp

Change-Id: Ibf7fb9c8cf263a810ade82f821345d0725c57c67

1 files changed, 4 insertions, 22 deletions

diff --git a/src/corelib/tools/qbitarray.cpp b/src/corelib/tools/qbitarray.cpp
index 446e09b1c0..12e4687b3c 100644
--- a/src/corelib/tools/qbitarray.cpp
+++ b/src/corelib/tools/qbitarray.cpp
@@ -42,6 +42,7 @@
 #include <qalgorithms.h>
 #include <qdatastream.h>
 #include <qdebug.h>
+#include <qendian.h>
 #include <string.h>
 
 QT_BEGIN_NAMESPACE
@@ -169,25 +170,6 @@ QBitArray::QBitArray(int size, bool value)
     Same as size().
 */
 
-template <typename T> T qUnalignedLoad(const uchar *ptr)
-{
-    /*
-     * Testing with different compilers shows that they all optimize the memcpy
-     * call away and replace with direct loads whenever possible. On x86 and PPC,
-     * GCC does direct unaligned loads; on MIPS, it generates a pair of load-left
-     * and load-right instructions. ICC and Clang do the same on x86. This is both
-     * 32- and 64-bit.
-     *
-     * On ARM cores without unaligned loads, the compiler leaves a call to
-     * memcpy.
-     */
-
-    T u;
-    memcpy(&u, ptr, sizeof(u));
-    return u;
-}
-
-
 /*!
     If \a on is true, this function returns the number of
     1-bits stored in the bit array; otherwise the number
@@ -203,17 +185,17 @@ int QBitArray::count(bool on) const
     const quint8 *const end = reinterpret_cast<const quint8 *>(d.end());
 
     while (bits + 7 <= end) {
-        quint64 v = qUnalignedLoad<quint64>(bits);
+        quint64 v = qFromUnaligned<quint64>(bits);
         bits += 8;
         numBits += int(qPopulationCount(v));
     }
     if (bits + 3 <= end) {
-        quint32 v = qUnalignedLoad<quint32>(bits);
+        quint32 v = qFromUnaligned<quint32>(bits);
         bits += 4;
         numBits += int(qPopulationCount(v));
     }
     if (bits + 1 < end) {
-        quint16 v = qUnalignedLoad<quint16>(bits);
+        quint16 v = qFromUnaligned<quint16>(bits);
         bits += 2;
         numBits += int(qPopulationCount(v));
     }