VectorICs: Remove special code to increment call counts by two.

src/x64/code-stubs-x64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 1460 matching lines @@
   // rcx - allocation site (loaded from vector[slot]).
   __ LoadNativeContextSlot(Context::ARRAY_FUNCTION_INDEX, r8);
   __ cmpp(rdi, r8);
   __ j(not_equal, miss);
 
   __ movp(rax, Immediate(arg_count()));
 
   // Increment the call count for monomorphic function calls.
   __ SmiAddConstant(FieldOperand(rbx, rdx, times_pointer_size,
                                  FixedArray::kHeaderSize + kPointerSize),
-                    Smi::FromInt(CallICNexus::kCallCountIncrement));
+                    Smi::FromInt(1));
 
   __ movp(rbx, rcx);
   __ movp(rdx, rdi);
   ArrayConstructorStub stub(masm->isolate(), arg_count());
   __ TailCallStub(&stub);
 }
 
 
 void CallICStub::Generate(MacroAssembler* masm) {
   // ----------- S t a t e -------------
@@ skipping 29 matching lines @@
   __ cmpp(rdi, FieldOperand(rcx, WeakCell::kValueOffset));
   __ j(not_equal, &extra_checks_or_miss);
 
   // The compare above could have been a SMI/SMI comparison. Guard against this
   // convincing us that we have a monomorphic JSFunction.
   __ JumpIfSmi(rdi, &extra_checks_or_miss);
 
   // Increment the call count for monomorphic function calls.
   __ SmiAddConstant(FieldOperand(rbx, rdx, times_pointer_size,
                                  FixedArray::kHeaderSize + kPointerSize),
-                    Smi::FromInt(CallICNexus::kCallCountIncrement));
+                    Smi::FromInt(1));
 
   __ bind(&call_function);
   __ Set(rax, argc);
   __ Jump(masm->isolate()->builtins()->CallFunction(convert_mode(),
                                                     tail_call_mode()),
           RelocInfo::CODE_TARGET);
 
   __ bind(&extra_checks_or_miss);
   Label uninitialized, miss, not_allocation_site;
 
@@ skipping 49 matching lines @@
 
   // Make sure the function belongs to the same native context.
   __ movp(rcx, FieldOperand(rdi, JSFunction::kContextOffset));
   __ movp(rcx, ContextOperand(rcx, Context::NATIVE_CONTEXT_INDEX));
   __ cmpp(rcx, NativeContextOperand());
   __ j(not_equal, &miss);
 
   // Initialize the call counter.
   __ Move(FieldOperand(rbx, rdx, times_pointer_size,
                        FixedArray::kHeaderSize + kPointerSize),
-          Smi::FromInt(CallICNexus::kCallCountIncrement));
+          Smi::FromInt(1));
 
   // Store the function. Use a stub since we need a frame for allocation.
   // rbx - vector
   // rdx - slot (needs to be in smi form)
   // rdi - function
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     CreateWeakCellStub create_stub(isolate);
 
     __ Integer32ToSmi(rdx, rdx);
@@ skipping 3831 matching lines @@
                            kStackUnwindSpace, nullptr, return_value_operand,
                            NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64