Don't track allocations in product mode.

runtime/vm/assembler_x64.cc

 // Copyright (c) 2013, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"  // NOLINT
 #if defined(TARGET_ARCH_X64)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/heap.h"
@@ skipping 3303 matching lines @@
 void Assembler::EnterStubFrame() {
   EnterDartFrame(0, kNoRegister);
 }
 
 
 void Assembler::LeaveStubFrame() {
   LeaveDartFrame();
 }
 
 
+#ifndef PRODUCT
 void Assembler::MaybeTraceAllocation(intptr_t cid,
                                      Label* trace,
                                      bool near_jump) {
   ASSERT(cid > 0);
   intptr_t state_offset = ClassTable::StateOffsetFor(cid);
   Register temp_reg = TMP;
   LoadIsolate(temp_reg);
   intptr_t table_offset =
       Isolate::class_table_offset() + ClassTable::TableOffsetFor(cid);
   movq(temp_reg, Address(temp_reg, table_offset));
@@ skipping 34 matching lines @@
 void Assembler::UpdateAllocationStatsWithSize(intptr_t cid,
                                               intptr_t size_in_bytes,
                                               Heap::Space space) {
   ASSERT(cid > 0);
   ASSERT(cid < kNumPredefinedCids);
   UpdateAllocationStats(cid, space);
   Register temp_reg = TMP;
   intptr_t size_offset = ClassTable::SizeOffsetFor(cid, space == Heap::kNew);
   addq(Address(temp_reg, size_offset), Immediate(size_in_bytes));
 }
+#endif  // !PRODUCT
 
 
 void Assembler::TryAllocate(const Class& cls,
                             Label* failure,
                             bool near_jump,
                             Register instance_reg,
                             Register temp) {
   ASSERT(failure != NULL);
   if (FLAG_inline_alloc) {
     // If this allocation is traced, program will jump to failure path
@@ skipping 354 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfXmmRegisters));
   return xmm_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_X64