Track live instance and allocation counts for classes

runtime/vm/intermediate_language_ia32.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"  // Needed here to get TARGET_ARCH_IA32.
 #if defined(TARGET_ARCH_IA32)
 
 #include "vm/intermediate_language.h"
 
 #include "vm/dart_entry.h"
@@ skipping 2868 matching lines @@
 
 
 LocationSummary* BoxFloat32x4Instr::MakeLocationSummary() const {
   const intptr_t kNumInputs = 1;
   const intptr_t kNumTemps = 0;
   LocationSummary* summary =
       new LocationSummary(kNumInputs,
                           kNumTemps,
                           LocationSummary::kCallOnSlowPath);
   summary->set_in(0, Location::RequiresFpuRegister());
+  summary->set_temp(0, Location::RequiresRegister());

[Florian Schneider, 2013/10/31 09:56:01]

Where and why is temp(0) used?

[Cutch, 2013/10/31 11:20:02]

This is left over from PS2

   summary->set_out(Location::RequiresRegister());
   return summary;
 }
 
 
 class BoxFloat32x4SlowPath : public SlowPathCode {
  public:
   explicit BoxFloat32x4SlowPath(BoxFloat32x4Instr* instruction)
       : instruction_(instruction) { }
 
@@ skipping 2274 matching lines @@
                          PcDescriptors::kOther,
                          locs());
   __ Drop(2);  // Discard type arguments and receiver.
 }
 
 }  // namespace dart
 
 #undef __
 
 #endif  // defined TARGET_ARCH_IA32