Don't track allocations in product mode.

runtime/vm/assembler_arm.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_ARM)
 
 #include "vm/assembler.h"
 #include "vm/cpu.h"
 #include "vm/longjump.h"
@@ skipping 3219 matching lines @@
 void Assembler::EnterStubFrame() {
   EnterDartFrame(0);
 }
 
 
 void Assembler::LeaveStubFrame() {
   LeaveDartFrame();
 }
 
 
+#ifndef PRODUCT
+void Assembler::MaybeTraceAllocation(intptr_t cid,
+                                     Register temp_reg,
+                                     Label* trace) {
+  LoadAllocationStatsAddress(temp_reg, cid);
+  const uword state_offset = ClassHeapStats::state_offset();
+  ldr(temp_reg, Address(temp_reg, state_offset));
+  tst(temp_reg, Operand(ClassHeapStats::TraceAllocationMask()));
+  b(trace, NE);
+}
+
+
 void Assembler::LoadAllocationStatsAddress(Register dest,
                                            intptr_t cid) {
   ASSERT(dest != kNoRegister);
   ASSERT(dest != TMP);
   ASSERT(cid > 0);
   const intptr_t class_offset = ClassTable::ClassOffsetFor(cid);
   LoadIsolate(dest);
   intptr_t table_offset =
       Isolate::class_table_offset() + ClassTable::TableOffsetFor(cid);
   ldr(dest, Address(dest, table_offset));
   AddImmediate(dest, class_offset);
 }
 
 
-void Assembler::MaybeTraceAllocation(intptr_t cid,
-                                     Register temp_reg,
-                                     Label* trace) {
-  LoadAllocationStatsAddress(temp_reg, cid);
-  const uword state_offset = ClassHeapStats::state_offset();
-  ldr(temp_reg, Address(temp_reg, state_offset));
-  tst(temp_reg, Operand(ClassHeapStats::TraceAllocationMask()));
-  b(trace, NE);
-}
-
-
 void Assembler::IncrementAllocationStats(Register stats_addr_reg,
                                          intptr_t cid,
                                          Heap::Space space) {
   ASSERT(stats_addr_reg != kNoRegister);
   ASSERT(stats_addr_reg != TMP);
   ASSERT(cid > 0);
   const uword count_field_offset = (space == Heap::kNew) ?
     ClassHeapStats::allocated_since_gc_new_space_offset() :
     ClassHeapStats::allocated_since_gc_old_space_offset();
   const Address& count_address = Address(stats_addr_reg, count_field_offset);
@@ skipping 16 matching lines @@
     ClassHeapStats::allocated_size_since_gc_old_space_offset();
   const Address& count_address = Address(stats_addr_reg, count_field_offset);
   const Address& size_address = Address(stats_addr_reg, size_field_offset);
   ldr(TMP, count_address);
   AddImmediate(TMP, 1);
   str(TMP, count_address);
   ldr(TMP, size_address);
   add(TMP, TMP, Operand(size_reg));
   str(TMP, size_address);
 }
+#endif  // !PRODUCT
 
 
 void Assembler::TryAllocate(const Class& cls,
                             Label* failure,
                             Register instance_reg,
                             Register temp_reg) {
   ASSERT(failure != NULL);
   if (FLAG_inline_alloc) {
     ASSERT(instance_reg != temp_reg);
     ASSERT(temp_reg != IP);
@@ skipping 195 matching lines @@
 
 
 const char* Assembler::FpuRegisterName(FpuRegister reg) {
   ASSERT((0 <= reg) && (reg < kNumberOfFpuRegisters));
   return fpu_reg_names[reg];
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM