MIPS64: Add big-endian support for mips64.

test/cctest/cctest.status

 # Copyright 2011 the V8 project authors. All rights reserved.
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 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
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@@ skipping 258 matching lines @@
 ['arch == mips', {
   # Too slow with TF.
   'test-api/ExternalArrays': [PASS, NO_VARIANTS],
 
   # TODO(mips-team): Currently fails on mips board.
   'test-parsing/TooManyArguments': [SKIP],
   'test-api/Threading3': [SKIP],
 }],  # 'arch == mips'
 
 ##############################################################################
-['arch == mips64el', {
+['arch == mips64el or arch == mips64', {
   'test-cpu-profiler/CollectDeoptEvents': [PASS, FAIL],
 
   # BUG(v8:3154).
   'test-heap/ReleaseOverReservedPages': [PASS, FAIL],
 
   # BUG(1075): Unresolved crashes on MIPS also.
   'test-serialize/Deserialize': [SKIP],
   'test-serialize/DeserializeFromSecondSerializationAndRunScript2': [SKIP],
   'test-serialize/DeserializeAndRunScript2': [SKIP],
   'test-serialize/DeserializeFromSecondSerialization': [SKIP],
-}],  # 'arch == mips64el'
+}],  # 'arch == mips64el or arch == mips64'
 
 ##############################################################################
 ['arch == x87', {
   'test-run-machops/RunFloat64InsertLowWord32': [SKIP]
 }],  # 'arch == x87'
 
 ##############################################################################
 ['arch == android_arm or arch == android_ia32', {
 
   # Tests crash as there is no /tmp directory in Android.
@@ skipping 118 matching lines @@
 ##############################################################################
 ['arch == ppc and simulator_run == True or arch == ppc64 and simulator_run == True', {
 
   # Pass but take too long with the simulator.
   'test-api/Threading1': [PASS, SLOW],
   'test-api/Threading2': [PASS, SLOW],
   'test-api/ExternalArrays': [PASS, SLOW],
 
 }],  # 'arch == ppc64 and simulator_run == True'
 ]