MIPS64: Add support for architecture revision 6.

test/cctest/test-api.cc

 // Copyright 2012 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
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 18046 matching lines @@
 
     // Check that Number::New preserves non-NaNs and quiets SNaNs.
     v8::Handle<v8::Value> number = v8::Number::New(isolate, test_value);
     double stored_number = number->NumberValue();
     if (!std::isnan(test_value)) {
       CHECK_EQ(test_value, stored_number);
     } else {
       uint64_t stored_bits = DoubleToBits(stored_number);
       // Check if quiet nan (bits 51..62 all set).
 #if (defined(V8_TARGET_ARCH_MIPS) || defined(V8_TARGET_ARCH_MIPS64)) && \
-    !defined(USE_SIMULATOR)
+    !defined(_MIPS_ARCH_MIPS64R6) && !defined(USE_SIMULATOR)
       // Most significant fraction bit for quiet nan is set to 0
       // on MIPS architecture. Allowed by IEEE-754.
       CHECK_EQ(0xffe, static_cast<int>((stored_bits >> 51) & 0xfff));
 #else
       CHECK_EQ(0xfff, static_cast<int>((stored_bits >> 51) & 0xfff));
 #endif
     }
 
     // Check that Date::New preserves non-NaNs in the date range and
     // quiets SNaNs.
     v8::Handle<v8::Value> date =
         v8::Date::New(isolate, test_value);
     double expected_stored_date = DoubleToDateTime(test_value);
     double stored_date = date->NumberValue();
     if (!std::isnan(expected_stored_date)) {
       CHECK_EQ(expected_stored_date, stored_date);
     } else {
       uint64_t stored_bits = DoubleToBits(stored_date);
       // Check if quiet nan (bits 51..62 all set).
 #if (defined(V8_TARGET_ARCH_MIPS) || defined(V8_TARGET_ARCH_MIPS64)) && \
-    !defined(USE_SIMULATOR)
+    !defined(_MIPS_ARCH_MIPS64R6) && !defined(USE_SIMULATOR)
       // Most significant fraction bit for quiet nan is set to 0
       // on MIPS architecture. Allowed by IEEE-754.
       CHECK_EQ(0xffe, static_cast<int>((stored_bits >> 51) & 0xfff));
 #else
       CHECK_EQ(0xfff, static_cast<int>((stored_bits >> 51) & 0xfff));
 #endif
     }
   }
 }
 
@@ skipping 4730 matching lines @@
   desc = x->GetOwnPropertyDescriptor(v8_str("p1"));
   Local<Function> set =
     Local<Function>::Cast(Local<Object>::Cast(desc)->Get(v8_str("set")));
   Local<Function> get =
     Local<Function>::Cast(Local<Object>::Cast(desc)->Get(v8_str("get")));
   CHECK_EQ(v8_num(13), get->Call(x, 0, NULL));
   Handle<Value> args[] = { v8_num(14) };
   set->Call(x, 1, args);
   CHECK_EQ(v8_num(14), get->Call(x, 0, NULL));
 }