diff options
Diffstat (limited to 'src/corelib/tools/qsimd.cpp')
| -rw-r--r-- | src/corelib/tools/qsimd.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp index e44307f28d..ecf1822e42 100644 --- a/src/corelib/tools/qsimd.cpp +++ b/src/corelib/tools/qsimd.cpp @@ -533,7 +533,7 @@ Q_CORE_EXPORT QBasicAtomicInteger<quint64> qt_cpu_features[1] = { Q_BASIC_ATOMIC Q_CORE_EXPORT QBasicAtomicInteger<unsigned> qt_cpu_features[2] = { Q_BASIC_ATOMIC_INITIALIZER(0), Q_BASIC_ATOMIC_INITIALIZER(0) }; #endif -void qDetectCpuFeatures() +quint64 qDetectCpuFeatures() { quint64 f = detectProcessorFeatures(); QByteArray disable = qgetenv("QT_NO_CPU_FEATURE"); @@ -563,10 +563,11 @@ void qDetectCpuFeatures() features_string + features_indices[qCountTrailingZeroBits(missing)]); } - qt_cpu_features[0].store(f | quint32(QSimdInitialized)); + qt_cpu_features[0].storeRelaxed(f | quint32(QSimdInitialized)); #ifndef Q_ATOMIC_INT64_IS_SUPPORTED - qt_cpu_features[1].store(f >> 32); + qt_cpu_features[1].storeRelaxed(f >> 32); #endif + return f; } void qDumpCPUFeatures() |