to get_binary_prob(). the only other caller mode_mv_merge_probs() does
its own test on 0.
BUG=chromium:639712
Change-Id: I1178688706baeca2883f7aadbc254abb219a44ce
+ inline the function directly as there was only one consumer
(get_prob())
this is an attempt to reduce the amount of branches to workaround an amd
bug. this change is mildly faster or neutral across x86-64, arm.
http://support.amd.com/TechDocs/44739_12h_Rev_Gd.pdf
665 Integer Divide Instruction May Cause Unpredictable Behavior
BUG=chromium:639712
Suggested-by: Pascal Massimino <pascal.massimino@gmail.com>
Change-Id: Ia91823aded79aab469dd68095d44300e8df04ed2
