Implements DoubleToI on ARM. Refactor some VFP code at the same time and...

src/arm/simulator-arm.h

 // Copyright 2009 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 294 matching lines @@
   bool v_flag_;
 
   // VFP architecture state.
   unsigned int vfp_register[num_s_registers];
   bool n_flag_FPSCR_;
   bool z_flag_FPSCR_;
   bool c_flag_FPSCR_;
   bool v_flag_FPSCR_;
 
   // VFP rounding mode. See ARM DDI 0406B Page A2-29.
-  FPSCRRoundingModes FPSCR_rounding_mode_;
+  VFPRoundingMode FPSCR_rounding_mode_;
 
   // VFP FP exception flags architecture state.
   bool inv_op_vfp_flag_;
   bool div_zero_vfp_flag_;
   bool overflow_vfp_flag_;
   bool underflow_vfp_flag_;
   bool inexact_vfp_flag_;
 
   // Simulator support.
   char* stack_;
@@ skipping 60 matching lines @@
 
   static inline void UnregisterCTryCatch() {
     Simulator::current()->PopAddress();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // !defined(USE_SIMULATOR)
 #endif  // V8_ARM_SIMULATOR_ARM_H_