Add pixel array handling in keyed IC's for x64 version.

src/x64/macro-assembler-x64.cc

 // Copyright 2009 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 45 matching lines @@
   push(Operand(r13, index << kPointerSizeLog2));
 }
 
 
 void MacroAssembler::CompareRoot(Register with,
                                  Heap::RootListIndex index) {
   cmpq(with, Operand(r13, index << kPointerSizeLog2));
 }
 
 
+void MacroAssembler::CompareRoot(Operand with,
+                                 Heap::RootListIndex index) {
+  LoadRoot(kScratchRegister, index);
+  cmpq(with, kScratchRegister);
+}
+
+
 static void RecordWriteHelper(MacroAssembler* masm,
                               Register object,
                               Register addr,
                               Register scratch) {
   Label fast;
 
   // Compute the page start address from the heap object pointer, and reuse
   // the 'object' register for it.
   ASSERT(is_int32(~Page::kPageAlignmentMask));
   masm->and_(object,
@@ skipping 2094 matching lines @@
   // Indicate that code has changed.
   CPU::FlushICache(address_, size_);
 
   // Check that the code was patched as expected.
   ASSERT(masm_.pc_ == address_ + size_);
   ASSERT(masm_.reloc_info_writer.pos() == address_ + size_ + Assembler::kGap);
 }
 
 
 } }  // namespace v8::internal