Contribution of PowerPC port.

src/ppc/codegen-ppc.h

Index: src/ppc/codegen-ppc.h
diff --git a/src/mips/codegen-mips.h b/src/ppc/codegen-ppc.h
similarity index 90%
copy from src/mips/codegen-mips.h
copy to src/ppc/codegen-ppc.h
index 82a410ec235094c4666dd3378304f177102a174e..68f2807fa9fa80f542af39cdec38a5eb18dc3b70 100644
--- a/src/mips/codegen-mips.h
+++ b/src/ppc/codegen-ppc.h
@@ -1,11 +1,12 @@
 // Copyright 2011 the V8 project authors. All rights reserved.
+//
+// Copyright IBM Corp. 2012, 2013. All rights reserved.
+//
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-
-#ifndef V8_MIPS_CODEGEN_MIPS_H_
-#define V8_MIPS_CODEGEN_MIPS_H_
-
+#ifndef V8_PPC_CODEGEN_PPC_H_
+#define V8_PPC_CODEGEN_PPC_H_
 
 #include "src/ast.h"
 #include "src/ic-inl.h"
@@ -32,7 +33,6 @@ class StringCharLoadGenerator : public AllStatic {
   DISALLOW_COPY_AND_ASSIGN(StringCharLoadGenerator);
 };
 
-
 class MathExpGenerator : public AllStatic {
  public:
   // Register input isn't modified. All other registers are clobbered.
@@ -51,4 +51,4 @@ class MathExpGenerator : public AllStatic {
 
 } }  // namespace v8::internal
 
-#endif  // V8_MIPS_CODEGEN_MIPS_H_
+#endif  // V8_PPC_CODEGEN_PPC_H_