--- bswap.h 	Revision 24072
+++ bswap.h	Working Copy
@@ -84,7 +84,7 @@
 inline static unsigned short bswap_16(unsigned short x)
 {
   __asm("xchgb %b0,%h0" :
-        "=q" (x)        :
+        "=Q" (x)        :
         "0" (x));
     return x;
 }