libvpx: Pull from upstream

source/libvpx/vp8/encoder/mcomp.c

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 375 matching lines @@
     y_stride = 32;
     /* Copy 18 rows x 32 cols area to intermediate buffer before searching. */
      vfp->copymem(y_0 - 1 - pre_stride, pre_stride, xd->y_buf, y_stride, 18);
      y = xd->y_buf + y_stride + 1;
 #else
      unsigned char *y = base_pre + d->offset + (bestmv->as_mv.row) * pre_stride + bestmv->as_mv.col;
      y_stride = pre_stride;
 #endif
 
     /* central mv */
-    bestmv->as_mv.row <<= 3;
-    bestmv->as_mv.col <<= 3;
+    bestmv->as_mv.row *= 8;
+    bestmv->as_mv.col *= 8;
     startmv = *bestmv;
 
     /* calculate central point error */
     bestmse = vfp->vf(y, y_stride, z, b->src_stride, sse1);
     *distortion = bestmse;
     bestmse += mv_err_cost(bestmv, ref_mv, mvcost, error_per_bit);
 
     /* go left then right and check error */
     this_mv.as_mv.row = startmv.as_mv.row;
     this_mv.as_mv.col = ((startmv.as_mv.col - 8) | 4);
@@ skipping 1613 matching lines @@
                     ++mv_mode_cts[3][1];
                 }
             }
         }
     }
 }
 
 #endif/* END MV ref count VP8_ENTROPY_STATS stats code */
 
 #endif