Simplify IA32 code generator API.

src/ia32/codegen-ia32.h

Index: src/ia32/codegen-ia32.h
diff --git a/src/ia32/codegen-ia32.h b/src/ia32/codegen-ia32.h
index 9fcc466e36cad55592e952137d555ca1b7214697..a92386fe20bd4e0fe7a276b8a594473f606bba5d 100644
--- a/src/ia32/codegen-ia32.h
+++ b/src/ia32/codegen-ia32.h
@@ -492,11 +492,8 @@ class CodeGenerator: public AstVisitor {
   // Generate code that computes a shortcutting logical operation.
   void GenerateLogicalBooleanOperation(BinaryOperation* node);
 
-  void GenericBinaryOperation(
-      Token::Value op,
-      StaticType* type,
-      OverwriteMode overwrite_mode,
-      bool no_negative_zero);
+  void GenericBinaryOperation(BinaryOperation* expr,
+                              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.
@@ -505,22 +502,19 @@ class CodeGenerator: public AstVisitor {
 
   // Emit code to perform a binary operation on a constant
   // smi and a likely smi.  Consumes the Result operand.
-  Result ConstantSmiBinaryOperation(Token::Value op,
+  Result ConstantSmiBinaryOperation(BinaryOperation* expr,
                                     Result* operand,
                                     Handle<Object> constant_operand,
-                                    StaticType* type,
                                     bool reversed,
-                                    OverwriteMode overwrite_mode,
-                                    bool no_negative_zero);
+                                    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.
-  Result LikelySmiBinaryOperation(Token::Value op,
+  Result LikelySmiBinaryOperation(BinaryOperation* expr,
                                   Result* left,
                                   Result* right,
-                                  OverwriteMode overwrite_mode,
-                                  bool no_negative_zero);
+                                  OverwriteMode overwrite_mode);
 
 
   // Emit code to perform a binary operation on two untagged int32 values.