Replace MIPS TraceSimMsg calls with Comment calls.

runtime/vm/assembler_mips.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_MIPS)
 
 #include "vm/assembler.h"
 #include "vm/longjump.h"
 #include "vm/runtime_entry.h"
@@ skipping 1049 matching lines @@
 
 void Assembler::EnterCallRuntimeFrame(intptr_t frame_space) {
   ASSERT(!in_delay_slot_);
   const intptr_t kPushedRegistersSize =
       kDartVolatileCpuRegCount * kWordSize +
       2 * kWordSize +  // FP and RA.
       kDartVolatileFpuRegCount * kWordSize;
 
   SetPrologueOffset();
 
-  TraceSimMsg("EnterCallRuntimeFrame");
+  Comment("EnterCallRuntimeFrame");
 
   // Save volatile CPU and FPU registers on the stack:
   // -------------
   // FPU Registers
   // CPU Registers
   // RA
   // FP
   // -------------
   // TODO(zra): It may be a problem for walking the stack that FP is below
   //            the saved registers. If it turns out to be a problem in the
@@ skipping 20 matching lines @@
 }
 
 
 void Assembler::LeaveCallRuntimeFrame() {
   ASSERT(!in_delay_slot_);
   const intptr_t kPushedRegistersSize =
       kDartVolatileCpuRegCount * kWordSize +
       2 * kWordSize +  // FP and RA.
       kDartVolatileFpuRegCount * kWordSize;
 
-  TraceSimMsg("LeaveCallRuntimeFrame");
+  Comment("LeaveCallRuntimeFrame");
 
   // SP might have been modified to reserve space for arguments
   // and ensure proper alignment of the stack frame.
   // We need to restore it before restoring registers.
   mov(SP, FP);
 
   // Restore volatile CPU and FPU registers from the stack.
   lw(FP, Address(SP, 0 * kWordSize));
   lw(RA, Address(SP, 1 * kWordSize));
   for (int i = kDartFirstVolatileCpuReg; i <= kDartLastVolatileCpuReg; i++) {
@@ skipping 84 matching lines @@
   if (FLAG_print_stop_message) {
     UNIMPLEMENTED();
   }
   Label stop;
   b(&stop);
   Emit(reinterpret_cast<int32_t>(message));
   Bind(&stop);
   break_(Instr::kStopMessageCode);
 }
 
-
-void Assembler::TraceSimMsg(const char* message) {
-  // Don't bother adding in the messages unless tracing is enabled, and we are
-  // running in the simulator.
-#if defined(USING_SIMULATOR)
-  if (FLAG_trace_sim_after != -1) {
-    Label msg;
-    b(&msg);
-    Emit(reinterpret_cast<int32_t>(message));
-    Bind(&msg);
-    break_(Instr::kSimulatorMessageCode);
-  }
-#endif
-}
-
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_MIPS