diff options
| author | Simon Hausmann <simon.hausmann@digia.com> | 2013-11-08 15:27:51 +0100 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2013-11-09 18:14:33 +0100 |
| commit | 4662e632e4f92b335483b91cd1f3576d6d82146f (patch) | |
| tree | 7385d30e43527c78fbda070f14f3536f17f89698 /src/qml/qml/v8 | |
| parent | a015f42322e95ce27f37de925650e86c1c899e55 (diff) | |
For x86 builds, try to detect SSE2 availability early and bail out
...instead of potentially just crashing. This is for the rare case
of somebody trying to run a QML2 based application on a Pentium 3
from before 2001 or older.
Change-Id: Ia5606fe28ef5579654ec939c86830af70dbb84d7
Reviewed-by: Kai Koehne <kai.koehne@digia.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Diffstat (limited to 'src/qml/qml/v8')
| -rw-r--r-- | src/qml/qml/v8/qv8engine.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/qml/qml/v8/qv8engine.cpp b/src/qml/qml/v8/qv8engine.cpp index 14fd74701f..d0fc1b1295 100644 --- a/src/qml/qml/v8/qv8engine.cpp +++ b/src/qml/qml/v8/qv8engine.cpp @@ -66,6 +66,7 @@ #include <QtCore/qjsonobject.h> #include <QtCore/qjsonvalue.h> #include <QtCore/qdatetime.h> +#include <private/qsimd_p.h> #include <private/qv4value_p.h> #include <private/qv4dateobject_p.h> @@ -93,6 +94,12 @@ QV8Engine::QV8Engine(QJSEngine* qq) , m_xmlHttpRequestData(0) , m_listModelData(0) { +#ifdef Q_PROCESSOR_X86_32 + if (!(qCpuFeatures() & SSE2)) { + qFatal("This program requires an X86 processor that supports SSE2 extension, at least a Pentium 4 or newer"); + } +#endif + QML_MEMORY_SCOPE_STRING("QV8Engine::QV8Engine"); qMetaTypeId<QJSValue>(); qMetaTypeId<QList<int> >(); |