[x265] [PATCH 2 of 3] fix pixel_ssim_end4, the 3rd is dword

[Min Chen]

# HG changeset patch
# User Min Chen <chenm003 at 163.com>
# Date 1398394896 -28800
# Node ID 89875c3fdaf689c4e0d7488264dbda6eed266326
# Parent  9505724b11bc944eaaefd35d396f92f4c2c3f88f
fix pixel_ssim_end4, the 3rd is dword

diff -r 9505724b11bc -r 89875c3fdaf6 source/common/x86/pixel-util8.asm
--- a/source/common/x86/pixel-util8.asm	Fri Apr 25 11:01:12 2014 +0800
+++ b/source/common/x86/pixel-util8.asm	Fri Apr 25 11:01:36 2014 +0800
@@ -1981,7 +1981,8 @@
 ;-----------------------------------------------------------------------------
 ; float pixel_ssim_end( int sum0[5][4], int sum1[5][4], int width )
 ;-----------------------------------------------------------------------------
-cglobal pixel_ssim_end4, 3,3,7
+cglobal pixel_ssim_end4, 2,3,7
+    mov       r2d, r2m
     movdqa    m0, [r0+ 0]
     movdqa    m1, [r0+16]
     movdqa    m2, [r0+32]