MIPS: Enable big endian testing.

test/unittests/unittests.gyp

 # Copyright 2014 the V8 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.
 
 {
   'variables': {
     'v8_code': 1,
   },
   'includes': ['../../build/toolchain.gypi', '../../build/features.gypi'],
   'targets': [
@@ skipping 121 matching lines @@
         ['v8_target_arch=="arm64"', {
           'sources': [  ### gcmole(arch:arm64) ###
             'compiler/arm64/instruction-selector-arm64-unittest.cc',
           ],
         }],
         ['v8_target_arch=="ia32"', {
           'sources': [  ### gcmole(arch:ia32) ###
             'compiler/ia32/instruction-selector-ia32-unittest.cc',
           ],
         }],
+        ['v8_target_arch=="mips"', {
+          'sources': [  ### gcmole(arch:mips) ###
+            'compiler/mips/instruction-selector-mips-unittest.cc',
+          ],
+        }],
         ['v8_target_arch=="mipsel"', {
           'sources': [  ### gcmole(arch:mipsel) ###
             'compiler/mips/instruction-selector-mips-unittest.cc',
           ],
         }],
+        ['v8_target_arch=="mips64"', {
+          'sources': [  ### gcmole(arch:mips64) ###
+            'compiler/mips64/instruction-selector-mips64-unittest.cc',
+          ],
+        }],
         ['v8_target_arch=="mips64el"', {
           'sources': [  ### gcmole(arch:mips64el) ###
             'compiler/mips64/instruction-selector-mips64-unittest.cc',
           ],
         }],
         ['v8_target_arch=="x64"', {
           'sources': [  ### gcmole(arch:x64) ###
             'compiler/x64/instruction-selector-x64-unittest.cc',
           ],
         }],
@@ skipping 45 matching lines @@
             '../../build/isolate.gypi',
           ],
           'sources': [
             'unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }