Remove ARM support for soft float (pre-VFP2)

src/code-stubs.h

 // Copyright 2012 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 728 matching lines @@
   }
 
   enum SmiCodeGenerateHeapNumberResults {
     ALLOW_HEAPNUMBER_RESULTS,
     NO_HEAPNUMBER_RESULTS
   };
 
  private:
   Token::Value op_;
   OverwriteMode mode_;
-  bool platform_specific_bit_;  // Indicates SSE3 on IA32, VFP2 on ARM.
+  bool platform_specific_bit_;  // Indicates SSE3 on IA32.
 
   // Operand type information determined at runtime.
   BinaryOpIC::TypeInfo left_type_;
   BinaryOpIC::TypeInfo right_type_;
   BinaryOpIC::TypeInfo result_type_;
 
   virtual void PrintName(StringStream* stream);
 
   // Minor key encoding in 19 bits TTTRRRLLLSOOOOOOOMM.
   class ModeBits: public BitField<OverwriteMode, 0, 2> {};
@@ skipping 890 matching lines @@
 
   // The current function entry hook.
   static FunctionEntryHook entry_hook_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileEntryHookStub);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_CODE_STUBS_H_