SSE2 truncating double-to-i.

src/ia32/lithium-ia32.h

 // Copyright 2010 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1476 matching lines @@
   LOperand* temp() const { return temp_; }
 
  private:
   LOperand* temp_;
 };
 
 
 // Sometimes truncating conversion from a tagged value to an int32.
 class LDoubleToI: public LUnaryOperation {
  public:
-  explicit LDoubleToI(LOperand* value) : LUnaryOperation(value) { }
+  LDoubleToI(LOperand* value, LOperand* temporary)
+      : LUnaryOperation(value), temporary_(temporary) { }
 
   DECLARE_CONCRETE_INSTRUCTION(DoubleToI, "double-to-i")
   DECLARE_HYDROGEN_ACCESSOR(Change)
 
   bool truncating() { return hydrogen()->CanTruncateToInt32(); }
+  LOperand* temporary() const { return temporary_; }
+
+ private:
+  LOperand* temporary_;
 };
 
 
 // Truncating conversion from a tagged value to an int32.
 class LTaggedToI: public LUnaryOperation {
  public:
   LTaggedToI(LOperand* value, LOperand* temp)
       : LUnaryOperation(value), temp_(temp) { }
 
   DECLARE_CONCRETE_INSTRUCTION(TaggedToI, "tagged-to-i")
@@ skipping 629 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_LITHIUM_IA32_H_