Refactor GenericBinaryOperation and its helper functions to always return a R...

src/x64/codegen-x64.h

 // Copyright 2009 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 428 matching lines @@
       StaticType* type,
       OverwriteMode overwrite_mode);
 
   // If possible, combine two constant smi values using op to produce
   // a smi result, and push it on the virtual frame, all at compile time.
   // Returns true if it succeeds.  Otherwise it has no effect.
   bool FoldConstantSmis(Token::Value op, int left, int right);
 
   // Emit code to perform a binary operation on a constant
   // smi and a likely smi.  Consumes the Result *operand.
-  void ConstantSmiBinaryOperation(Token::Value op,
-                                  Result* operand,
-                                  Handle<Object> constant_operand,
-                                  StaticType* type,
-                                  bool reversed,
-                                  OverwriteMode overwrite_mode);
+  Result ConstantSmiBinaryOperation(Token::Value op,
+                                    Result* operand,
+                                    Handle<Object> constant_operand,
+                                    StaticType* type,
+                                    bool reversed,
+                                    OverwriteMode overwrite_mode);
 
   // Emit code to perform a binary operation on two likely smis.
   // The code to handle smi arguments is produced inline.
   // Consumes the Results *left and *right.
-  void LikelySmiBinaryOperation(Token::Value op,
-                                Result* left,
-                                Result* right,
-                                OverwriteMode overwrite_mode);
+  Result LikelySmiBinaryOperation(Token::Value op,
+                                  Result* left,
+                                  Result* right,
+                                  OverwriteMode overwrite_mode);
 
   void Comparison(Condition cc,
                   bool strict,
                   ControlDestination* destination);
 
   // To prevent long attacker-controlled byte sequences, integer constants
   // from the JavaScript source are loaded in two parts if they are larger
   // than 16 bits.
   static const int kMaxSmiInlinedBits = 16;
   bool IsUnsafeSmi(Handle<Object> value);
@@ skipping 288 matching lines @@
   Major MajorKey() { return StringCompare; }
   int MinorKey() { return 0; }
 
   void Generate(MacroAssembler* masm);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_X64_CODEGEN_X64_H_