Move ToI conversions to the MacroAssembler

src/hydrogen-instructions.h

 // Copyright 2012 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 927 matching lines @@
   bool ToStringCanBeObserved() const {
     return type().ToStringOrToNumberCanBeObserved(representation());
   }
 
   // Returns true conservatively if the program might be able to observe a
   // ToNumber() operation on this value.
   bool ToNumberCanBeObserved() const {
     return type().ToStringOrToNumberCanBeObserved(representation());
   }
 
+  MinusZeroMode GetMinusZeroMode() {
+    return CheckFlag(kBailoutOnMinusZero)
+        ? FAIL_ON_MINUS_ZERO : TREAT_MINUS_ZERO_AS_ZERO;
+  }
+
  protected:
   // This function must be overridden for instructions with flag kUseGVN, to
   // compare the non-Operand parts of the instruction.
   virtual bool DataEquals(HValue* other) {
     UNREACHABLE();
     return false;
   }
 
   virtual Representation RepresentationFromInputs() {
     return representation();
@@ skipping 5838 matching lines @@
   virtual bool IsDeletable() const V8_OVERRIDE { return true; }
 };
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_