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

src/arm64/code-stubs-arm64.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_ARM64
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 2165 matching lines @@
   __ B(ne, miss);
 
   __ Mov(x0, Operand(arg_count()));
 
   // Increment the call count for monomorphic function calls.
   __ Add(feedback_vector, feedback_vector,
          Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ Add(feedback_vector, feedback_vector,
          Operand(FixedArray::kHeaderSize + kPointerSize));
   __ Ldr(index, FieldMemOperand(feedback_vector, 0));
-  __ Add(index, index, Operand(Smi::FromInt(CallICNexus::kCallCountIncrement)));
+  __ Add(index, index, Operand(Smi::FromInt(1)));
   __ Str(index, FieldMemOperand(feedback_vector, 0));
 
   // Set up arguments for the array constructor stub.
   Register allocation_site_arg = feedback_vector;
   Register new_target_arg = index;
   __ Mov(allocation_site_arg, allocation_site);
   __ Mov(new_target_arg, function);
   ArrayConstructorStub stub(masm->isolate(), arg_count());
   __ TailCallStub(&stub);
 }
@@ skipping 39 matching lines @@
   // The compare above could have been a SMI/SMI comparison. Guard against this
   // convincing us that we have a monomorphic JSFunction.
   __ JumpIfSmi(function, &extra_checks_or_miss);
 
   // Increment the call count for monomorphic function calls.
   __ Add(feedback_vector, feedback_vector,
          Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ Add(feedback_vector, feedback_vector,
          Operand(FixedArray::kHeaderSize + kPointerSize));
   __ Ldr(index, FieldMemOperand(feedback_vector, 0));
-  __ Add(index, index, Operand(Smi::FromInt(CallICNexus::kCallCountIncrement)));
+  __ Add(index, index, Operand(Smi::FromInt(1)));
   __ Str(index, FieldMemOperand(feedback_vector, 0));
 
   __ Bind(&call_function);
   __ Mov(x0, 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 44 matching lines @@
   __ B(eq, &miss);
 
   // Make sure the function belongs to the same native context.
   __ Ldr(x4, FieldMemOperand(function, JSFunction::kContextOffset));
   __ Ldr(x4, ContextMemOperand(x4, Context::NATIVE_CONTEXT_INDEX));
   __ Ldr(x5, NativeContextMemOperand());
   __ Cmp(x4, x5);
   __ B(ne, &miss);
 
   // Initialize the call counter.
-  __ Mov(x5, Smi::FromInt(CallICNexus::kCallCountIncrement));
+  __ Mov(x5, Smi::FromInt(1));
   __ Adds(x4, feedback_vector,
           Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ Str(x5, FieldMemOperand(x4, FixedArray::kHeaderSize + kPointerSize));
 
   // Store the function. Use a stub since we need a frame for allocation.
   // x2 - vector
   // x3 - slot
   // x1 - function
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
@@ skipping 3512 matching lines @@
                            kStackUnwindSpace, NULL, spill_offset,
                            return_value_operand, NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64