diff options
| -rw-r--r-- | src/corelib/tools/qsimd.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/corelib/tools/qsimd.cpp b/src/corelib/tools/qsimd.cpp index a9c33f1..7babf3a 100644 --- a/src/corelib/tools/qsimd.cpp +++ b/src/corelib/tools/qsimd.cpp @@ -286,10 +286,13 @@ static inline uint detectProcessorFeatures() uint feature_result = 0; #if defined(Q_CC_GNU) - asm ("cpuid" - : "=c" (feature_result) + long tmp; + asm ("xchg %%rbx, %1\n" + "cpuid\n" + "xchg %%rbx, %1\n" + : "=c" (feature_result), "=&r" (tmp) : "a" (1) - : "%ebx", "%edx" + : "%edx" ); #elif defined (Q_OS_WIN64) { |