X64: Reenabled RSet.

src/x64/ic-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 484 matching lines @@
   // address to store into and fall through to fast case.
   __ cmpl(rbx, FieldOperand(rdx, JSArray::kLengthOffset));
   __ j(above_equal, &extra);
 
 
   // Fast case: Do the store.
   __ bind(&fast);
   // rax: value
   // rcx: FixedArray
   // rbx: index (as a smi)
-  __ movq(Operand(rcx, rbx, times_4, FixedArray::kHeaderSize - kHeapObjectTag),
+  __ movq(Operand(rcx, rbx, times_half_pointer_size,
+                  FixedArray::kHeaderSize - kHeapObjectTag),
          rax);
   // Update write barrier for the elements array address.
   __ movq(rdx, rax);
   __ RecordWrite(rcx, 0, rdx, rbx);
   __ ret(0);
 }
 
 
 void CallIC::Generate(MacroAssembler* masm,
                       int argc,
@@ skipping 199 matching lines @@
 
 void StoreIC::GenerateMegamorphic(MacroAssembler* masm) {
   Generate(masm, ExternalReference(IC_Utility(kStoreIC_Miss)));
 }
 
 
 #undef __
 
 
 } }  // namespace v8::internal