Implement kDoubleToDouble and kIntegerToDouble on ia32 and x64.

runtime/vm/intermediate_language.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_INTERMEDIATE_LANGUAGE_H_
 #define VM_INTERMEDIATE_LANGUAGE_H_
 
 #include "vm/allocation.h"
 #include "vm/ast.h"
 #include "vm/growable_array.h"
@@ skipping 52 matching lines @@
   M(ExtractConstructorTypeArguments, ExtractConstructorTypeArgumentsComp)      \
   M(ExtractConstructorInstantiator, ExtractConstructorInstantiatorComp)        \
   M(AllocateContext, AllocateContextComp)                                      \
   M(ChainContext, ChainContextComp)                                            \
   M(CloneContext, CloneContextComp)                                            \
   M(CatchEntry, CatchEntryComp)                                                \
   M(BinaryOp, BinaryOpComp)                                                    \
   M(UnarySmiOp, UnarySmiOpComp)                                                \
   M(NumberNegate, NumberNegateComp)                                            \
   M(CheckStackOverflow, CheckStackOverflowComp)                                \
+  M(ToDouble, ToDoubleComp)                                                    \
 
 
 #define FORWARD_DECLARATION(ShortName, ClassName) class ClassName;
 FOR_EACH_COMPUTATION(FORWARD_DECLARATION)
 #undef FORWARD_DECLARATION
 
 // Forward declarations.
 class BufferFormatter;
 class Instruction;
 class Value;
@@ skipping 1442 matching lines @@
   DECLARE_COMPUTATION(CheckStackOverflow)
 
  private:
   const intptr_t token_index_;
   const intptr_t try_index_;
 
   DISALLOW_COPY_AND_ASSIGN(CheckStackOverflowComp);
 };
 
 
+class ToDoubleComp : public TemplateComputation<1> {
+ public:
+  ToDoubleComp(Value* value,
+               ObjectKind from,
+               InstanceCallComp* instance_call)
+      : from_(from), instance_call_(instance_call) {
+    ASSERT(value != NULL);
+    inputs_[0] = value;
+  }
+
+  Value* value() const { return inputs_[0]; }
+  ObjectKind from() const { return from_; }
+
+  InstanceCallComp* instance_call() const { return instance_call_; }
+
+  virtual void PrintOperandsTo(BufferFormatter* f) const;
+
+  DECLARE_COMPUTATION(ToDouble)
+
+ private:
+  const ObjectKind from_;
+  InstanceCallComp* instance_call_;
+
+  DISALLOW_COPY_AND_ASSIGN(ToDoubleComp);
+};
+
+
 #undef DECLARE_COMPUTATION
 
 
 // Implementation of type testers and cast functins.
 #define DEFINE_PREDICATE(ShortName, ClassName)                                 \
 bool Computation::Is##ShortName() const {                                      \
   return computation_type() == k##ShortName;                                   \
 }                                                                              \
 ClassName* Computation::As##ShortName() {                                      \
   if (!Is##ShortName()) return NULL;                                           \
@@ skipping 639 matching lines @@
   const GrowableArray<BlockEntryInstr*>& block_order_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FlowGraphVisitor);
 };
 
 
 }  // namespace dart
 
 #endif  // VM_INTERMEDIATE_LANGUAGE_H_