Enable NEON for unittests on ios 64 bit.

libyuv_test.gyp

 # 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.
 
 {
   'variables': {
@@ skipping 34 matching lines @@
         'unit_test/scale_test.cc',
         'unit_test/unit_test.cc',
         'unit_test/video_common_test.cc',
       ],
       'conditions': [
         ['OS=="linux"', {
           'cflags': [
             '-fexceptions',
           ],
         }],
-        [ 'OS == "ios" and target_subarch == 64', {
-          'defines': [
-            'LIBYUV_DISABLE_NEON'
-          ],
-        }],
         [ 'OS == "ios"', {
           'xcode_settings': {
             'DEBUGGING_SYMBOLS': 'YES',
             'DEBUG_INFORMATION_FORMAT' : 'dwarf-with-dsym',
             # Work around compile issue with isosim.mm, see
             # https://code.google.com/p/libyuv/issues/detail?id=548 for details.
             'WARNING_CFLAGS': [
               '-Wno-sometimes-uninitialized',
             ],
           },
@@ skipping 74 matching lines @@
       'sources': [
         # sources
         'util/psnr_main.cc',
         'util/psnr.cc',
         'util/ssim.cc',
       ],
       'dependencies': [
         'libyuv.gyp:libyuv',
       ],
       'conditions': [
-        [ 'OS == "ios" and target_subarch == 64', {
-          'defines': [
-            'LIBYUV_DISABLE_NEON'
-          ],
-        }],
-
         [ 'OS != "ios" and libyuv_disable_jpeg != 1', {
           'defines': [
             'HAVE_JPEG',
           ],
         }],
       ], # conditions
     },
 
     {
       'target_name': 'cpuid',
@@ skipping 27 matching lines @@
       ],
     }],
   ],
 }
 
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