Enable stub generation using Hydrogen/Lithium (again)

src/arm/codegen-arm.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 26 matching lines @@
 // Forward declarations
 class CompilationInfo;
 
 enum TypeofState { INSIDE_TYPEOF, NOT_INSIDE_TYPEOF };
 
 // -------------------------------------------------------------------------
 // CodeGenerator
 
 class CodeGenerator: public AstVisitor {
  public:
+  CodeGenerator() {
+    InitializeAstVisitor();
+  }
+
   static bool MakeCode(CompilationInfo* info);
 
   // Printing of AST, etc. as requested by flags.
   static void MakeCodePrologue(CompilationInfo* info);
 
   // Allocate and install the code.
   static Handle<Code> MakeCodeEpilogue(MacroAssembler* masm,
                                        Code::Flags flags,
                                        CompilationInfo* info);
 
   // Print the code after compiling it.
   static void PrintCode(Handle<Code> code, CompilationInfo* info);
 
   static bool ShouldGenerateLog(Expression* type);
 
   static void SetFunctionInfo(Handle<JSFunction> fun,
                               FunctionLiteral* lit,
                               bool is_toplevel,
                               Handle<Script> script);
 
   static bool RecordPositions(MacroAssembler* masm,
                               int pos,
                               bool right_here = false);
 
+  DEFINE_AST_VISITOR_SUBCLASS_MEMBERS();
+
  private:
   DISALLOW_COPY_AND_ASSIGN(CodeGenerator);
 };
 
 
 class StringCharLoadGenerator : public AllStatic {
  public:
   // Generates the code for handling different string types and loading the
   // indexed character into |result|.  We expect |index| as untagged input and
   // |result| as untagged output.
   static void Generate(MacroAssembler* masm,
                        Register string,
                        Register index,
                        Register result,
                        Label* call_runtime);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator);
 };
 
 
 class MathExpGenerator : public AllStatic {
  public:
   static void EmitMathExp(MacroAssembler* masm,
-                          DoubleRegister input,
-                          DoubleRegister result,
-                          DoubleRegister double_scratch1,
-                          DoubleRegister double_scratch2,
+                          DwVfpRegister input,
+                          DwVfpRegister result,
+                          DwVfpRegister double_scratch1,
+                          DwVfpRegister double_scratch2,
                           Register temp1,
                           Register temp2,
                           Register temp3);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MathExpGenerator);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_ARM_CODEGEN_ARM_H_