Revert "Introduce intrinsics for double values in Javascript."

src/hydrogen-instructions.h

Index: src/hydrogen-instructions.h
diff --git a/src/hydrogen-instructions.h b/src/hydrogen-instructions.h
index bbd974510bc5f43c2be7a13b9235f9fcf7022fec..5aedf46a9ba291be2cb446d6f41f35950dda20c3 100644
--- a/src/hydrogen-instructions.h
+++ b/src/hydrogen-instructions.h
@@ -102,14 +102,12 @@ class LChunkBuilder;
   V(CompareObjectEqAndBranch)                  \
   V(CompareMap)                                \
   V(Constant)                                  \
-  V(ConstructDouble)                           \
   V(Context)                                   \
   V(DateField)                                 \
   V(DebugBreak)                                \
   V(DeclareGlobals)                            \
   V(Deoptimize)                                \
   V(Div)                                       \
-  V(DoubleBits)                                \
   V(DummyUse)                                  \
   V(EnterInlined)                              \
   V(EnvironmentMarker)                         \
@@ -1822,65 +1820,6 @@ class HClampToUint8 V8_FINAL : public HUnaryOperation {
 };
 
 
-class HDoubleBits V8_FINAL : public HUnaryOperation {
- public:
-  enum Bits { HIGH, LOW };
-  DECLARE_INSTRUCTION_FACTORY_P2(HDoubleBits, HValue*, Bits);
-
-  virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
-    return Representation::Double();
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(DoubleBits)
-
-  Bits bits() { return bits_; }
-
- protected:
-  virtual bool DataEquals(HValue* other) V8_OVERRIDE {
-    return other->IsDoubleBits() && HDoubleBits::cast(other)->bits() == bits();
-  }
-
- private:
-  HDoubleBits(HValue* value, Bits bits)
-      : HUnaryOperation(value), bits_(bits) {
-    set_representation(Representation::Integer32());
-    SetFlag(kUseGVN);
-  }
-
-  virtual bool IsDeletable() const V8_OVERRIDE { return true; }
-
-  Bits bits_;
-};
-
-
-class HConstructDouble V8_FINAL : public HTemplateInstruction<2> {
- public:
-  DECLARE_INSTRUCTION_FACTORY_P2(HConstructDouble, HValue*, HValue*);
-
-  virtual Representation RequiredInputRepresentation(int index) V8_OVERRIDE {
-    return Representation::Integer32();
-  }
-
-  DECLARE_CONCRETE_INSTRUCTION(ConstructDouble)
-
-  HValue* hi() { return OperandAt(0); }
-  HValue* lo() { return OperandAt(1); }
-
- protected:
-  virtual bool DataEquals(HValue* other) V8_OVERRIDE { return true; }
-
- private:
-  explicit HConstructDouble(HValue* hi, HValue* lo) {
-    set_representation(Representation::Double());
-    SetFlag(kUseGVN);
-    SetOperandAt(0, hi);
-    SetOperandAt(1, lo);
-  }
-
-  virtual bool IsDeletable() const V8_OVERRIDE { return true; }
-};
-
-
 enum RemovableSimulate {
   REMOVABLE_SIMULATE,
   FIXED_SIMULATE