diff options
| author | Thiago Macieira <thiago.macieira@intel.com> | 2013-12-08 19:16:57 -0800 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2014-01-16 02:59:46 +0100 |
| commit | d006e69da61bfddb8be9a400e4cb1c25542bb9d9 (patch) | |
| tree | bf1909231fe93d08393dbb4d04f46f092c159c9d /src/gui/painting/qdrawhelper_x86_p.h | |
| parent | 5ca6039b7738415b8beeced4d34039ee2edbd903 (diff) | |
Remove runtime detection of SSE2
If the compiler supports SSE2, we'll use our SSE2-optimised code
unconditionally. Runtime detection is left for SSSE3 code.
The SSE2 codebase is big and thus a timebomb if an inline function
gets leaked out and run without runtime check. In reality, it's
extremely unlikely people running CPUs without SSE2 support are
running Qt 5 at this moment (they're either too old or too new,
e.g. Intel Quark).
The SSSE3 codebase is a lot more manageable.
Task-number: QTBUG-30440
Change-Id: I3e586e4434e820365d5316b650ee3061d0acf767
Reviewed-by: Olivier Goffart <ogoffart@woboq.com>
Reviewed-by: Lars Knoll <lars.knoll@digia.com>
Diffstat (limited to 'src/gui/painting/qdrawhelper_x86_p.h')
| -rw-r--r-- | src/gui/painting/qdrawhelper_x86_p.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/gui/painting/qdrawhelper_x86_p.h b/src/gui/painting/qdrawhelper_x86_p.h index 105eaae63a..4458d11903 100644 --- a/src/gui/painting/qdrawhelper_x86_p.h +++ b/src/gui/painting/qdrawhelper_x86_p.h @@ -57,7 +57,7 @@ QT_BEGIN_NAMESPACE -#ifdef QT_COMPILER_SUPPORTS_SSE2 +#ifdef __SSE2__ void qt_memfill32_sse2(quint32 *dest, quint32 value, int count); void qt_memfill16_sse2(quint16 *dest, quint16 value, int count); void qt_bitmapblit32_sse2(QRasterBuffer *rasterBuffer, int x, int y, @@ -77,7 +77,7 @@ void qt_blend_rgb32_on_rgb32_sse2(uchar *destPixels, int dbpl, extern CompositionFunction qt_functionForMode_SSE2[]; extern CompositionFunctionSolid qt_functionForModeSolid_SSE2[]; -#endif // QT_COMPILER_SUPPORTS_SSE2 +#endif // __SSE2__ #ifdef QT_COMPILER_SUPPORTS_IWMMXT void qt_blend_color_argb_iwmmxt(int count, const QSpan *spans, void *userData); |