A bunch of changes to speed up math on ARM....

src/code-stubs.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 23 matching lines @@
 
 // Stub is base classes of all stubs.
 class CodeStub BASE_EMBEDDED {
  public:
   enum Major {
     CallFunction,
     GenericBinaryOp,
     SmiOp,
     Compare,
     RecordWrite,  // Last stub that allows stub calls inside.
+    ConvertToDouble,
+    WriteInt32ToHeapNumber,
     StackCheck,
     UnarySub,
     RevertToNumber,
     ToBoolean,
     Instanceof,
     CounterOp,
     ArgumentsAccess,
     Runtime,
     CEntry,
     JSEntry,
@@ skipping 51 matching lines @@
 
   class MajorKeyBits: public BitField<uint32_t, 0, kMajorBits> {};
   class MinorKeyBits: public BitField<uint32_t, kMajorBits, kMinorBits> {};
 
   friend class BreakPointIterator;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_