Support for unboxed 64-bit integer bitwise operations and equality on ia32.

runtime/vm/isolate.h

 // Copyright (c) 2012, 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.
 
 #ifndef VM_ISOLATE_H_
 #define VM_ISOLATE_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/class_table.h"
@@ skipping 14 matching lines @@
 class Heap;
 class ICData;
 class LongJump;
 class MessageHandler;
 class Mutex;
 class ObjectPointerVisitor;
 class ObjectStore;
 class RawArray;
 class RawContext;
 class RawDouble;
+class RawMint;
+class RawInteger;
 class RawError;
 class StackResource;
 class StubCode;
 class Zone;
 
 
 // Used by the deoptimization infrastructure to defer allocation of Double
 // objects until frame is fully rewritten and GC is safe.
 // See callers of Isolate::DeferDoubleMaterialization.
 class DeferredDouble {
  public:
   DeferredDouble(double value, RawDouble** slot, DeferredDouble* next)
       : value_(value), slot_(slot), next_(next) { }
 
   double value() const { return value_; }
   RawDouble** slot() const { return slot_; }
   DeferredDouble* next() const { return next_; }
 
  private:
   const double value_;
   RawDouble** const slot_;
   DeferredDouble* const next_;
 
   DISALLOW_COPY_AND_ASSIGN(DeferredDouble);
 };
 
 
+class DeferredMint {
+ public:
+  DeferredMint(int64_t value, RawMint** slot, DeferredMint* next)
+      : value_(value), slot_(slot), next_(next) { }
+
+  int64_t value() const { return value_; }
+  RawMint** slot() const { return slot_; }
+  DeferredMint* next() const { return next_; }
+
+ private:
+  const int64_t value_;
+  RawMint** const slot_;
+  DeferredMint* const next_;
+
+  DISALLOW_COPY_AND_ASSIGN(DeferredMint);
+};
+
+
 class Isolate : public BaseIsolate {
  public:
   ~Isolate();
 
   static inline Isolate* Current() {
     return reinterpret_cast<Isolate*>(Thread::GetThreadLocal(isolate_key));
   }
 
   static void SetCurrent(Isolate* isolate);
 
@@ skipping 188 matching lines @@
   intptr_t* deopt_frame_copy() const { return deopt_frame_copy_; }
   void SetDeoptFrameCopy(intptr_t* value, intptr_t size) {
     ASSERT((value == NULL) || (size > 0));
     ASSERT((value == NULL) || (deopt_frame_copy_ == NULL));
     deopt_frame_copy_ = value;
     deopt_frame_copy_size_ = size;
   }
   intptr_t deopt_frame_copy_size() const { return deopt_frame_copy_size_; }
 
   void DeferDoubleMaterialization(double value, RawDouble** slot) {
-    deferred_doubles_ = new DeferredDouble(
-        value, slot, deferred_doubles_);
+    deferred_doubles_ = new DeferredDouble(value, slot, deferred_doubles_);
+  }
+
+  void DeferMintMaterialization(int64_t value, RawMint** slot) {
+    deferred_mints_ = new DeferredMint(value, slot, deferred_mints_);
   }
 
   DeferredDouble* DetachDeferredDoubles() {
     DeferredDouble* list = deferred_doubles_;
     deferred_doubles_ = NULL;
     return list;
   }
 
+  DeferredMint* DetachDeferredMints() {
+    DeferredMint* list = deferred_mints_;
+    deferred_mints_ = NULL;
+    return list;
+  }
+
  private:
   Isolate();
 
   void BuildName(const char* name_prefix);
   void PrintInvokedFunctions();
 
   static uword GetSpecifiedStackSize();
 
   static const intptr_t kStackSizeBuffer = (16 * KB);
 
@@ skipping 24 matching lines @@
   MessageHandler* message_handler_;
   uword spawn_data_;
   GcPrologueCallbacks gc_prologue_callbacks_;
   GcEpilogueCallbacks gc_epilogue_callbacks_;
   // Deoptimization support.
   intptr_t* deopt_cpu_registers_copy_;
   double* deopt_xmm_registers_copy_;
   intptr_t* deopt_frame_copy_;
   intptr_t deopt_frame_copy_size_;
   DeferredDouble* deferred_doubles_;
+  DeferredMint* deferred_mints_;
 
   static Dart_IsolateCreateCallback create_callback_;
   static Dart_IsolateInterruptCallback interrupt_callback_;
   static Dart_IsolateShutdownCallback shutdown_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(Isolate);
 };
 
 // When we need to execute code in an isolate, we use the
 // StartIsolateScope.
@@ skipping 55 matching lines @@
   Isolate* new_isolate_;
   Isolate* saved_isolate_;
   uword saved_stack_limit_;
 
   DISALLOW_COPY_AND_ASSIGN(SwitchIsolateScope);
 };
 
 }  // namespace dart
 
 #endif  // VM_ISOLATE_H_