$OpenBSD: patch-src_al_mixfunc_c,v 1.1 2006/10/30 23:31:37 steven Exp $
--- src/al_mixfunc.c.orig	Sat Oct 21 11:20:39 2006
+++ src/al_mixfunc.c	Sat Oct 21 11:21:02 2006
@@ -38,7 +38,7 @@ ALboolean _alMixFuncInit( ALMixFunc *mf,
 		return AL_FALSE;
 	}
 
-#ifdef __MMX__
+#if defined(__MMX__) && !defined(__amd64__)
 	if (_alHaveMMX()) {
 		/* FIXME: we really ignore size. */
 		mf->max      = MMXMIXSOURCES;