--- SDL-1.2.8/include/SDL_endian.h.orig	2004-12-13 08:54:30.000000000 +0100
+++ SDL-1.2.8/include/SDL_endian.h	2005-05-05 15:50:48.600521264 +0200
@@ -68,7 +68,10 @@
 #elif defined(__GNUC__) && defined(__x86_64__)
 static __inline__ Uint16 SDL_Swap16(Uint16 x)
 {
+/*
 	__asm__("xchgb %b0,%h0" : "=q" (x) :  "0" (x));
+*/
+	__asm__("xchgb %b0,%h0" : "=q" (x) :  "a" (x));
 	return x;
 }
 #elif defined(__GNUC__) && (defined(__powerpc__) || defined(__ppc__))