Don't track allocations in product mode.

runtime/vm/assembler_arm64.cc

 // Copyright (c) 2014, 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_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 1225 matching lines @@
 void Assembler::EnterStubFrame() {
   EnterDartFrame(0);
 }
 
 
 void Assembler::LeaveStubFrame() {
   LeaveDartFrame();
 }
 
 
+#ifndef PRODUCT
+void Assembler::MaybeTraceAllocation(intptr_t cid,
+                                     Register temp_reg,
+                                     Label* trace) {
+  ASSERT(cid > 0);
+  intptr_t state_offset = ClassTable::StateOffsetFor(cid);
+  LoadIsolate(temp_reg);
+  intptr_t table_offset =
+      Isolate::class_table_offset() + ClassTable::TableOffsetFor(cid);
+  ldr(temp_reg, Address(temp_reg, table_offset));
+  AddImmediate(temp_reg, temp_reg, state_offset);
+  ldr(temp_reg, Address(temp_reg, 0));
+  tsti(temp_reg, Immediate(ClassHeapStats::TraceAllocationMask()));
+  b(trace, NE);
+}
+
+
 void Assembler::UpdateAllocationStats(intptr_t cid,
                                       Heap::Space space) {
   ASSERT(cid > 0);
   intptr_t counter_offset =
       ClassTable::CounterOffsetFor(cid, space == Heap::kNew);
   LoadIsolate(TMP2);
   intptr_t table_offset =
       Isolate::class_table_offset() + ClassTable::TableOffsetFor(cid);
   ldr(TMP, Address(TMP2, table_offset));
   AddImmediate(TMP2, TMP, counter_offset);
@@ skipping 19 matching lines @@
       Isolate::class_table_offset() + ClassTable::TableOffsetFor(cid);
   ldr(TMP, Address(TMP2, table_offset));
   AddImmediate(TMP2, TMP, class_offset);
   ldr(TMP, Address(TMP2, count_field_offset));
   AddImmediate(TMP, TMP, 1);
   str(TMP, Address(TMP2, count_field_offset));
   ldr(TMP, Address(TMP2, size_field_offset));
   add(TMP, TMP, Operand(size_reg));
   str(TMP, Address(TMP2, size_field_offset));
 }
-
-
-void Assembler::MaybeTraceAllocation(intptr_t cid,
-                                     Register temp_reg,
-                                     Label* trace) {
-  ASSERT(cid > 0);
-  intptr_t state_offset = ClassTable::StateOffsetFor(cid);
-  LoadIsolate(temp_reg);
-  intptr_t table_offset =
-      Isolate::class_table_offset() + ClassTable::TableOffsetFor(cid);
-  ldr(temp_reg, Address(temp_reg, table_offset));
-  AddImmediate(temp_reg, temp_reg, state_offset);
-  ldr(temp_reg, Address(temp_reg, 0));
-  tsti(temp_reg, Immediate(ClassHeapStats::TraceAllocationMask()));
-  b(trace, NE);
-}
+#endif  // !PRODUCT
 
 
 void Assembler::TryAllocate(const Class& cls,
                             Label* failure,
                             Register instance_reg,
                             Register temp_reg) {
   ASSERT(failure != NULL);
   if (FLAG_inline_alloc) {
     // If this allocation is traced, program will jump to failure path
     // (i.e. the allocation stub) which will allocate the object and trace the
@@ skipping 115 matching lines @@
     add(base, array, Operand(index, LSL, shift));
   }
   const OperandSize size = Address::OperandSizeFor(cid);
   ASSERT(Address::CanHoldOffset(offset, Address::Offset, size));
   return Address(base, offset, Address::Offset, size);
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64