Merge math function ids and custom call generator ids.

src/ia32/lithium-ia32.h

 // Copyright 2010 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 652 matching lines @@
 
 class LUnaryMathOperation: public LUnaryOperation {
  public:
   explicit LUnaryMathOperation(LOperand* value)
       : LUnaryOperation(value) { }
 
   DECLARE_CONCRETE_INSTRUCTION(UnaryMathOperation, "unary-math-operation")
   DECLARE_HYDROGEN_ACCESSOR(UnaryMathOperation)
 
   virtual void PrintDataTo(StringStream* stream) const;
-  MathFunctionId op() const { return hydrogen()->op(); }
+  BuiltinFunctionId op() const { return hydrogen()->op(); }
 };
 
 
 class LCmpJSObjectEq: public LBinaryOperation {
  public:
   LCmpJSObjectEq(LOperand* left, LOperand* right)
       : LBinaryOperation(left, right) {}
 
   DECLARE_CONCRETE_INSTRUCTION(CmpJSObjectEq, "cmp-jsobject-eq")
 };
@@ skipping 1389 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(LChunkBuilder);
 };
 
 #undef DECLARE_HYDROGEN_ACCESSOR
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_LITHIUM_IA32_H_