[x265] [PATCH] motion.cpp: optimization, eliminate branching

[praveen at multicorewareinc.com]

# HG changeset patch
# User Praveen Tiwari <praveen at multicorewareinc.com>
# Date 1457444337 -19800
#      Tue Mar 08 19:08:57 2016 +0530
# Node ID 0e1b6472c05e3a53538d8e064e502d8a7508eb6e
# Parent  d50663b272c4f308de6f669afe1323990971e08d
motion.cpp: optimization, eliminate branching

diff -r d50663b272c4 -r 0e1b6472c05e source/encoder/motion.cpp
--- a/source/encoder/motion.cpp	Tue Mar 08 15:50:05 2016 +0530
+++ b/source/encoder/motion.cpp	Tue Mar 08 19:08:57 2016 +0530
@@ -30,6 +30,7 @@
 
 #if _MSC_VER
 #pragma warning(disable: 4127) // conditional  expression is constant (macros use this construct)
+#pragma warning (disable: 4706) // assignment within conditional expression
 #endif
 
 using namespace X265_NS;
@@ -762,8 +763,7 @@
         ucost2 = bcost;
         if (bmv.notZero() && bmv != pmv)
             DIA1_ITER(bmv.x, bmv.y);
-        if (bcost == ucost2)
-            cross_start = 3;
+        (bcost == ucost2) && (cross_start = 3);
 
         /* Early Termination */
         omv = bmv;