shithub: libvpx

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avoid crash when using --best on cpus with SSE3 (but not SSE4) support

Change-Id: Ie100114a01b8b4da7248603c40676792cd06b32a

--- a/vp9/encoder/vp9_mcomp.c

+++ b/vp9/encoder/vp9_mcomp.c

@@ -1726,7 +1726,7 @@

     check_here = r * mv_stride + in_what + col_min;

     c = col_min;

-    while ((c + 2) < col_max) {

+    while ((c + 2) < col_max && fn_ptr->sdx3f != NULL) {

       int i;

       fn_ptr->sdx3f(what, what_stride, check_here, in_what_stride, sad_array);