File qt-4.7.1-xchg.patch of Package mingw32-libqt4

--- src/corelib/tools/qsimd.cpp	2010-11-06 02:55:19.000000000 +0100
+++ src/corelib/tools/qsimd.cpp	2010-11-11 15:41:20.000000000 +0100
@@ -47,7 +47,7 @@
 #include <windows.h>
 #endif
 
-#if defined(Q_OS_WIN64) && !defined(Q_CC_GNU)
+#if defined(Q_OS_WIN64)
 #include <intrin.h>
 #endif
 
@@ -285,7 +285,13 @@
     uint features = MMX|SSE|SSE2|CMOV;
     uint feature_result = 0;
 
-#if defined(Q_CC_GNU)
+#if defined (Q_OS_WIN64)
+    {
+       int info[4];
+       __cpuid(info, 1);
+       feature_result = info[2];
+    }
+#elif defined(Q_CC_GNU)
     long tmp;
     asm ("xchg %%rbx, %1\n"
          "cpuid\n"
@@ -294,12 +300,6 @@
         : "a" (1)
         : "%edx"
         );
-#elif defined (Q_OS_WIN64)
-    {
-       int info[4];
-       __cpuid(info, 1);
-       feature_result = info[2];
-    }
 #endif
 
     if (feature_result & (1u))