Contribution of PowerPC port.

src/assembler.h

 // Copyright (c) 1994-2006 Sun Microsystems Inc.
 // 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.
 //
@@ skipping 726 matching lines @@
 // all external references in the code so that they can be bound to the correct
 // addresses when deserializing a heap.
 class ExternalReference BASE_EMBEDDED {
  public:
   // Used in the simulator to support different native api calls.
   enum Type {
     // Builtin call.
     // Object* f(v8::internal::Arguments).
     BUILTIN_CALL,  // default
 
+#if V8_TARGET_ARCH_PPC64

[danno, 2014/07/29 13:24:07]

Why the #ifdef? This may not be implemented on all platforms, but it should be a
goal to make as few platform-specific #ifs as possible.

[andrew_low, 2014/07/30 13:27:04]

Also related to running simulation 'natively' on PowerPC. Removed.

On 2014/07/29 13:24:07, danno wrote:

+    // Builtin call returning object pair.
+    // ObjectPair* f(v8::internal::Arguments).
+    BUILTIN_OBJECTPAIR_CALL,
+#endif
+
     // Builtin that takes float arguments and returns an int.
     // int f(double, double).
     BUILTIN_COMPARE_CALL,
 
     // Builtin call that returns floating point.
     // double f(double, double).
     BUILTIN_FP_FP_CALL,
 
     // Builtin call that returns floating point.
     // double f(double).
@@ skipping 363 matching lines @@
 
  private:
   int32_t multiplier_;
   int32_t shift_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_ASSEMBLER_H_