Port inline in-object property stores from ia32 to x64.

src/x64/virtual-frame-x64.cc

 // Copyright 2010 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 1132 matching lines @@
     key->Unuse();
   } else if (!cgen()->allocator()->is_used(rdx) ||
              (receiver->is_register() && receiver->reg().is(rdx))) {
     if (!cgen()->allocator()->is_used(rdx)) {
       receiver->ToRegister(rdx);
     }
     MoveResultsToRegisters(key, value, rcx, rax);
     receiver->Unuse();
   } else {
     // Otherwise, no register is free, and no value is in the correct place.
-    // We have one of the two circular permutations of eax, ecx, edx.
+    // We have one of the two circular permutations of rax, rcx, rdx.
     ASSERT(value->is_register());
     if (value->reg().is(rcx)) {
       __ xchg(rax, rdx);
       __ xchg(rax, rcx);
     } else {
       __ xchg(rax, rcx);
       __ xchg(rax, rdx);
     }
     value->Unuse();
     key->Unuse();
@@ skipping 92 matching lines @@
   Adjust(kHandlerSize - 1);
   __ PushTryHandler(IN_JAVASCRIPT, type);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64