MIPS64: Add big-endian support for mips64.

test/test262/test262.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
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 #       copyright notice, this list of conditions and the following
@@ skipping 344 matching lines @@
   # These tests take a looong time to run in debug mode.
   'S15.1.3.1_A2.5_T1': [PASS, ['mode == debug', SKIP]],
   'S15.1.3.2_A2.5_T1': [PASS, ['mode == debug', SKIP]],
 }],  # ALWAYS
 
 ['system == macos', {
   '11.3.2_TRP': [FAIL],
   '9.2.5_11_g_ii_2': [FAIL],
 }],  # system == macos
 
-['arch == arm or arch == mipsel or arch == mips or arch == arm64 or arch == mips64el', {
+['arch == arm or arch == mipsel or arch == mips or arch == arm64 or arch == mips64 or arch == mips64el', {
 
   # TODO(mstarzinger): Causes stack overflow on simulators due to eager
   # compilation of parenthesized function literals. Needs investigation.
   'S13.2.1_A1_T1': [SKIP],
 
   # BUG(3251225): Tests that timeout with --nocrankshaft.
   'S15.1.3.1_A2.4_T1': [SKIP],
   'S15.1.3.1_A2.5_T1': [SKIP],
   'S15.1.3.2_A2.4_T1': [SKIP],
   'S15.1.3.2_A2.5_T1': [SKIP],
   'S15.1.3.3_A2.3_T1': [SKIP],
   'S15.1.3.4_A2.3_T1': [SKIP],
 }],  # 'arch == arm or arch == mipsel or arch == mips or arch == arm64'
 ]