Type Feedback Vector: Calculate profiler counts on the fly.

src/x64/code-stubs-x64.cc

Index: src/x64/code-stubs-x64.cc
diff --git a/src/x64/code-stubs-x64.cc b/src/x64/code-stubs-x64.cc
index cd1266701adef19770e8d8a9920fd11b92da2cff..a97e7ecaaecbf0080165c71b3a5bb7e9a6eaa637 100644
--- a/src/x64/code-stubs-x64.cc
+++ b/src/x64/code-stubs-x64.cc
@@ -1936,10 +1936,6 @@ void CallICStub::Generate(MacroAssembler* masm) {
   // -- rbx - vector
   // -----------------------------------
   Isolate* isolate = masm->isolate();
-  const int with_types_offset =
-      FixedArray::OffsetOfElementAt(TypeFeedbackVector::kWithTypesIndex);
-  const int generic_offset =
-      FixedArray::OffsetOfElementAt(TypeFeedbackVector::kGenericCountIndex);
   Label extra_checks_or_miss, call, call_function;
   int argc = arg_count();
   StackArgumentsAccessor args(rsp, argc);
@@ -2013,9 +2009,6 @@ void CallICStub::Generate(MacroAssembler* masm) {
   __ j(not_equal, &miss);
   __ Move(FieldOperand(rbx, rdx, times_pointer_size, FixedArray::kHeaderSize),
           TypeFeedbackVector::MegamorphicSentinel(isolate));
-  // We have to update statistics for runtime profiling.
-  __ SmiAddConstant(FieldOperand(rbx, with_types_offset), Smi::FromInt(-1));
-  __ SmiAddConstant(FieldOperand(rbx, generic_offset), Smi::FromInt(1));
 
   __ bind(&call);
   __ Set(rax, argc);
@@ -2043,9 +2036,6 @@ void CallICStub::Generate(MacroAssembler* masm) {
   __ cmpp(rcx, NativeContextOperand());
   __ j(not_equal, &miss);
 
-  // Update stats.
-  __ SmiAddConstant(FieldOperand(rbx, with_types_offset), Smi::FromInt(1));
-
   // Initialize the call counter.
   __ Move(FieldOperand(rbx, rdx, times_pointer_size,
                        FixedArray::kHeaderSize + kPointerSize),