MIPS: added --mips-arch-variant option to test.py.

tools/test.py

 #!/usr/bin/env python
 #
 # Copyright 2008 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # 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
@@ skipping 1193 matching lines @@
   result.add_option("--warn-unused", help="Report unused rules",
       default=False, action="store_true")
   result.add_option("-j", help="The number of parallel tasks to run",
       default=1, type="int")
   result.add_option("--time", help="Print timing information after running",
       default=False, action="store_true")
   result.add_option("--suppress-dialogs", help="Suppress Windows dialogs for crashing tests",
         dest="suppress_dialogs", default=True, action="store_true")
   result.add_option("--no-suppress-dialogs", help="Display Windows dialogs for crashing tests",
         dest="suppress_dialogs", action="store_false")
+  result.add_option("--mips-arch-variant", help="mips architecture variant: mips32r1/mips32r2", default="mips32r2");
   result.add_option("--shell", help="Path to V8 shell", default="d8")
   result.add_option("--isolates", help="Whether to test isolates", default=False, action="store_true")
   result.add_option("--store-unexpected-output",
       help="Store the temporary JS files from tests that fails",
       dest="store_unexpected_output", default=True, action="store_true")
   result.add_option("--no-store-unexpected-output",
       help="Deletes the temporary JS files from tests that fails",
       dest="store_unexpected_output", action="store_false")
   result.add_option("--stress-only",
                     help="Only run tests with --always-opt --stress-opt",
@@ skipping 41 matching lines @@
     options.scons_flags.append("arch=" + options.arch)
   # Simulators are slow, therefore allow a longer default timeout.
   if options.timeout == -1:
     if options.arch == 'arm' or options.arch == 'mips':
       options.timeout = 2 * TIMEOUT_DEFAULT;
     else:
       options.timeout = TIMEOUT_DEFAULT;
   if options.snapshot:
     options.scons_flags.append("snapshot=on")
   global VARIANT_FLAGS
+  if options.mips_arch_variant:
+    options.scons_flags.append("mips_arch_variant=" + options.mips_arch_variant)
+
   if options.stress_only:
     VARIANT_FLAGS = [['--stress-opt', '--always-opt']]
   if options.nostress:
     VARIANT_FLAGS = [[],['--nocrankshaft']]
   if options.crankshaft:
     if options.special_command:
       options.special_command += " --crankshaft"
     else:
       options.special_command = "@ --crankshaft"
   if options.shell.endswith("d8"):
@@ skipping 243 matching lines @@
     for entry in timed_tests[:20]:
       t = FormatTime(entry.duration)
       sys.stderr.write("%4i (%s) %s\n" % (index, t, entry.GetLabel()))
       index += 1
 
   return result
 
 
 if __name__ == '__main__':
   sys.exit(Main())