[Interpreter] Make dispatch table point to code entry instead of code objects.

src/x64/builtins-x64.cc

Index: src/x64/builtins-x64.cc
diff --git a/src/x64/builtins-x64.cc b/src/x64/builtins-x64.cc
index dbd13289b7a525658aa545c16687714edab18dfe..8655ba9fa12febffac3422d1562931cd64d27bdf 100644
--- a/src/x64/builtins-x64.cc
+++ b/src/x64/builtins-x64.cc
@@ -683,9 +683,6 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
                           kInterpreterBytecodeOffsetRegister, times_1, 0));
   __ movp(rbx, Operand(kInterpreterDispatchTableRegister, rbx,
                        times_pointer_size, 0));
-  // TODO(rmcilroy): Make dispatch table point to code entrys to avoid untagging
-  // and header removal.
-  __ addp(rbx, Immediate(Code::kHeaderSize - kHeapObjectTag));
   __ call(rbx);
 
   // Even though the first bytecode handler was called, we will never return.
@@ -847,7 +844,6 @@ static void Generate_EnterBytecodeDispatch(MacroAssembler* masm) {
                           kInterpreterBytecodeOffsetRegister, times_1, 0));
   __ movp(rbx, Operand(kInterpreterDispatchTableRegister, rbx,
                        times_pointer_size, 0));
-  __ addp(rbx, Immediate(Code::kHeaderSize - kHeapObjectTag));
   __ jmp(rbx);
 }