Patch by Andrius

http://llvm.org/bugs/show_bug.cgi?id=6730

diff -ruN devel/sdl12.orig/files/patch-src_video_mmx.h devel/sdl12/files/patch-src_video_mmx.h
--- devel/sdl12.orig/files/patch-src_video_mmx.h	1970-01-01 00:00:00.000000000 +0000
+++ devel/sdl12/files/patch-src_video_mmx.h	2010-04-13 14:36:01.665607203 +0000
@@ -0,0 +1,11 @@
+--- src/video/mmx.h	2009-10-12 23:07:15.000000000 +0000
++++ src/video/mmx.h	2010-04-13 14:25:40.530735004 +0000
+@@ -355,7 +355,7 @@
+ 
+ #define	mmx_r2m(op, reg, mem) \
+ 	__asm__ __volatile__ (#op " %%" #reg ", %0" \
+-			      : "=X" (mem) \
++			      : "=m" (mem) \
+ 			      : /* nothing */ )
+ 
+ #define	mmx_r2r(op, regs, regd) \