[telemetry] Counter Cleanups

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/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 469 matching lines @@
   // Due to subnormals, x^-y == (1/x)^y does not hold in all cases.
   __ Xorpd(double_scratch2, double_scratch2);
   __ Ucomisd(double_scratch2, double_result);
   // double_exponent aliased as double_scratch2 has already been overwritten
   // and may not have contained the exponent value in the first place when the
   // input was a smi.  We reset it with exponent value before bailing out.
   __ j(not_equal, &done);
   __ Cvtlsi2sd(double_exponent, exponent);
 
   // Returning or bailing out.
-  Counters* counters = isolate()->counters();
   if (exponent_type() == ON_STACK) {
     // The arguments are still on the stack.
     __ bind(&call_runtime);
     __ TailCallRuntime(Runtime::kMathPowRT);
 
     // The stub is called from non-optimized code, which expects the result
     // as heap number in rax.
     __ bind(&done);
     __ AllocateHeapNumber(rax, rcx, &call_runtime);
     __ Movsd(FieldOperand(rax, HeapNumber::kValueOffset), double_result);
-    __ IncrementCounter(counters->math_pow(), 1);
     __ ret(2 * kPointerSize);
   } else {
     __ bind(&call_runtime);
     // Move base to the correct argument register.  Exponent is already in xmm1.
     __ Movsd(xmm0, double_base);
     DCHECK(double_exponent.is(xmm1));
     {
       AllowExternalCallThatCantCauseGC scope(masm);
       __ PrepareCallCFunction(2);
       __ CallCFunction(
           ExternalReference::power_double_double_function(isolate()), 2);
     }
     // Return value is in xmm0.
     __ Movsd(double_result, xmm0);
 
     __ bind(&done);
-    __ IncrementCounter(counters->math_pow(), 1);
     __ ret(0);
   }
 }
 
 
 void FunctionPrototypeStub::Generate(MacroAssembler* masm) {
   Label miss;
   Register receiver = LoadDescriptor::ReceiverRegister();
   // Ensure that the vector and slot registers won't be clobbered before
   // calling the miss handler.
@@ skipping 4932 matching lines @@
                            NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64