* configure.ac: well well... until GCC is fixed, let's disable i420_rgb_mmx

    on AMD64.

configure.ac

@@ -1035,7 +1035,10 @@ fi
 dnl
 dnl  Accelerated modules
 dnl
-MMX_MODULES="memcpymmx i420_rgb_mmx i422_yuy2_mmx i420_ymga_mmx"
+MMX_MODULES="memcpymmx i422_yuy2_mmx i420_ymga_mmx"
+if test "${target_cpu}" != "x86_64"; then
+  MMX_MODULES="${MMX_MODULES} i420_rgb_mmx"
+fi
 #MMX_MODULES="${MMX_MODULES} idctmmx motionmmx"
 MMXEXT_MODULES="memcpymmxext"
 #MMXEXT_MODULES="${MMXEXT_MODULES} idctmmxext motionmmxext"