make unittest allocator align to 64 bytes.

source/row_win.cc

 /*
  *  Copyright 2011 The LibYuv 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 5257 matching lines @@
 // Consider circular CumulativeSum buffer of radius * 2 + 1 height.
 // Convert cumulative sum for an area to an average for 1 pixel.
 // topleft is pointer to top left of CumulativeSum buffer for area.
 // botleft is pointer to bottom left of CumulativeSum buffer.
 // width is offset from left to right of area in CumulativeSum buffer measured
 //   in number of ints.
 // area is the number of pixels in the area being averaged.
 // dst points to pixel to store result to.
 // count is number of averaged pixels to produce.
 // Does 4 pixels at a time.
+// This function requires alignment on accumulation buffer pointers.
 void CumulativeSumToAverageRow_SSE2(const int32* topleft, const int32* botleft,
                                     int width, int area, uint8* dst,
                                     int count) {
   __asm {
     mov        eax, topleft  // eax topleft
     mov        esi, botleft  // esi botleft
     mov        edx, width
     movd       xmm5, area
     mov        edi, dst
     mov        ecx, count
@@ skipping 971 matching lines @@
 }
 #endif  // HAS_ARGBLUMACOLORTABLEROW_SSSE3
 
 #endif  // defined(_M_X64)
 #endif  // !defined(LIBYUV_DISABLE_X86) && (defined(_M_IX86) || defined(_M_X64))
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif