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authorTimur Pocheptsov <timur.pocheptsov@theqtcompany.com>2015-08-09 07:06:52 +0000
committerThe Qt Project <gerrit-noreply@qt-project.org>2015-08-09 07:06:52 +0000
commit5bfac9d653357c906946563b9494d7ae69cdad92 (patch)
tree0cc119af894a398497eba6f56fe2f224f6947616 /src/corelib/tools/qsimd.cpp
parentf08e1ecdc88e9373a31c1505d5db7f905431c644 (diff)
parent77da617dc8e378a631ee8c15b1b414f16b87f147 (diff)
Merge "Merge remote-tracking branch 'origin/5.5' into dev" into refs/staging/dev
Diffstat (limited to 'src/corelib/tools/qsimd.cpp')
-rw-r--r--src/corelib/tools/qsimd.cpp18
1 files changed, 15 insertions, 3 deletions
diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp
index d572dd209c..e7917ffdac 100644
--- a/src/corelib/tools/qsimd.cpp
+++ b/src/corelib/tools/qsimd.cpp
@@ -36,6 +36,10 @@
#include <QByteArray>
#include <stdio.h>
+#ifdef Q_OS_LINUX
+# include "../testlib/3rdparty/valgrind_p.h"
+#endif
+
#if defined(Q_OS_WIN)
# if defined(Q_OS_WINCE)
# include <qt_windows.h>
@@ -256,8 +260,12 @@ static inline uint detectProcessorFeatures()
uint features = 0;
int cpuidLevel = maxBasicCpuidSupported();
+#if Q_PROCESSOR_X86 < 5
if (cpuidLevel < 1)
return 0;
+#else
+ Q_ASSERT(cpuidLevel >= 1);
+#endif
uint cpuid01ECX = 0, cpuid01EDX = 0;
cpuidFeatures01(cpuid01ECX, cpuid01EDX);
@@ -497,8 +505,7 @@ static const int features_indices[] = {
static const int features_count = (sizeof features_indices - 1) / (sizeof features_indices[0]);
// record what CPU features were enabled by default in this Qt build
-// don't define for HLE, since the HLE prefix can be run on older CPUs
-static const uint minFeature = qCompilerCpuFeatures & ~HLE;
+static const uint minFeature = qCompilerCpuFeatures;
#ifdef Q_OS_WIN
#if defined(Q_CC_GNU)
@@ -554,7 +561,12 @@ void qDetectCpuFeatures()
}
}
- if (minFeature != 0 && (f & minFeature) != minFeature) {
+#ifdef RUNNING_ON_VALGRIND
+ bool runningOnValgrind = RUNNING_ON_VALGRIND;
+#else
+ bool runningOnValgrind = false;
+#endif
+ if (!runningOnValgrind && (minFeature != 0 && (f & minFeature) != minFeature)) {
uint missing = minFeature & ~f;
fprintf(stderr, "Incompatible processor. This Qt build requires the following features:\n ");
for (int i = 0; i < features_count; ++i) {