Removed dead code: GenericUnaryOpStub is not used anymore, as a consequence, NegativeZeroHandling...

src/code-stubs.h

 // Copyright 2011 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 371 matching lines @@
     return (flags_ & kReturnTrueFalseObject) != 0;
   }
 
   const char* GetName();
 
   Flags flags_;
   char* name_;
 };
 
 
-enum NegativeZeroHandling {
-  kStrictNegativeZero,
-  kIgnoreNegativeZero
-};
-
-
-enum UnaryOpFlags {
-  NO_UNARY_FLAGS = 0,
-  NO_UNARY_SMI_CODE_IN_STUB = 1 << 0
-};
-
-
-class GenericUnaryOpStub : public CodeStub {
- public:
-  GenericUnaryOpStub(Token::Value op,
-                     UnaryOverwriteMode overwrite,
-                     UnaryOpFlags flags,
-                     NegativeZeroHandling negative_zero = kStrictNegativeZero)
-      : op_(op),
-        overwrite_(overwrite),
-        include_smi_code_((flags & NO_UNARY_SMI_CODE_IN_STUB) == 0),
-        negative_zero_(negative_zero) { }
-
- private:
-  Token::Value op_;
-  UnaryOverwriteMode overwrite_;
-  bool include_smi_code_;
-  NegativeZeroHandling negative_zero_;
-
-  class OverwriteField: public BitField<UnaryOverwriteMode, 0, 1> {};
-  class IncludeSmiCodeField: public BitField<bool, 1, 1> {};
-  class NegativeZeroField: public BitField<NegativeZeroHandling, 2, 1> {};
-  class OpField: public BitField<Token::Value, 3, kMinorBits - 3> {};
-
-  Major MajorKey() { return GenericUnaryOp; }
-  int MinorKey() {
-    return OpField::encode(op_) |
-        OverwriteField::encode(overwrite_) |
-        IncludeSmiCodeField::encode(include_smi_code_) |
-        NegativeZeroField::encode(negative_zero_);
-  }
-
-  void Generate(MacroAssembler* masm);
-
-  const char* GetName();
-};
-
-
 class MathPowStub: public CodeStub {
  public:
   MathPowStub() {}
   virtual void Generate(MacroAssembler* masm);
 
  private:
   virtual CodeStub::Major MajorKey() { return MathPow; }
   virtual int MinorKey() { return 0; }
 
   const char* GetName() { return "MathPowStub"; }
@@ skipping 511 matching lines @@
  private:
   MacroAssembler* masm_;
   bool previous_allow_;
 
   DISALLOW_COPY_AND_ASSIGN(AllowStubCallsScope);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_