$OpenBSD: patch-src_arch_i386_x86_cpu_caps_prk_c,v 1.1 2006/10/30 23:31:37 steven Exp $
--- src/arch/i386/x86_cpu_caps_prk.c.orig	Sat Oct 21 11:21:22 2006
+++ src/arch/i386/x86_cpu_caps_prk.c	Sat Oct 21 11:21:42 2006
@@ -47,7 +47,7 @@ struct x86cpu_caps_s x86cpu_caps_use = {
 void _alDetectCPUCaps(void)
 {
 	/* compile time detection */
-#ifdef __MMX__
+#if defined(__MMX__) && !defined(__amd64__)
 	x86cpu_caps.mmx = 1;
 #endif
 #ifdef __SSE__
