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

src/ppc/builtins-ppc.cc

Index: src/ppc/builtins-ppc.cc
diff --git a/src/ppc/builtins-ppc.cc b/src/ppc/builtins-ppc.cc
index 787b09d9d1b1b78606f15e34d667dfa8ed7975d5..9552235fdf319a2de0fcc9e67e783a5634bae444 100644
--- a/src/ppc/builtins-ppc.cc
+++ b/src/ppc/builtins-ppc.cc
@@ -1054,9 +1054,6 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
                          kInterpreterBytecodeOffsetRegister));
   __ ShiftLeftImm(ip, r4, Operand(kPointerSizeLog2));
   __ LoadPX(ip, MemOperand(kInterpreterDispatchTableRegister, ip));
-  // TODO(rmcilroy): Make dispatch table point to code entrys to avoid untagging
-  // and header removal.
-  __ addi(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
   __ Call(ip);
 
   // Even though the first bytecode handler was called, we will never return.
@@ -1185,7 +1182,6 @@ static void Generate_EnterBytecodeDispatch(MacroAssembler* masm) {
                          kInterpreterBytecodeOffsetRegister));
   __ ShiftLeftImm(ip, r4, Operand(kPointerSizeLog2));
   __ LoadPX(ip, MemOperand(kInterpreterDispatchTableRegister, ip));
-  __ addi(ip, ip, Operand(Code::kHeaderSize - kHeapObjectTag));
   __ Jump(ip);
 }