Avoid a call to the runtime system when doing binary fp ops on ARM...

src/codegen.h

 // Copyright 2006-2008 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 53 matching lines @@
 //   GenerateFastCaseSwitchCases
 //   TryGenerateFastCaseSwitchStatement
 //   GenerateFastCaseSwitchJumpTable
 //   FastCaseSwitchMinCaseCount
 //   FastCaseSwitchMaxOverheadFactor
 //   CodeForFunctionPosition
 //   CodeForReturnPosition
 //   CodeForStatementPosition
 //   CodeForSourcePosition
 
+
+// Mode to overwrite BinaryExpression values.
+enum OverwriteMode { NO_OVERWRITE, OVERWRITE_LEFT, OVERWRITE_RIGHT };
+
+
 #ifdef ARM
 #include "codegen-arm.h"
 #else
 #include "codegen-ia32.h"
 #endif
 
 namespace v8 { namespace internal {
 
 
 // Use lazy compilation; defaults to true.
@@ skipping 218 matching lines @@
     PrintF("ArgumentsAccessStub (type %d)\n", type_);
   }
 #endif
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CODEGEN_H_