ARM: Fix simulator when using hard floating point ABI.

src/arm/simulator-arm.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 145 matching lines @@
   // The currently executing Simulator instance. Potentially there can be one
   // for each native thread.
   static Simulator* current(v8::internal::Isolate* isolate);
 
   // Accessors for register state. Reading the pc value adheres to the ARM
   // architecture specification and is off by a 8 from the currently executing
   // instruction.
   void set_register(int reg, int32_t value);
   int32_t get_register(int reg) const;
   double get_double_from_register_pair(int reg);
+  void set_register_pair_from_double(int reg, double* value);
   void set_dw_register(int dreg, const int* dbl);
 
   // Support for VFP.
   void get_d_register(int dreg, uint64_t* value);
   void set_d_register(int dreg, const uint64_t* value);
   void get_d_register(int dreg, uint32_t* value);
   void set_d_register(int dreg, const uint32_t* value);
   void get_q_register(int qreg, uint64_t* value);
   void set_q_register(int qreg, const uint64_t* value);
   void get_q_register(int qreg, uint32_t* value);
@@ skipping 37 matching lines @@
   void Execute();
 
   // Call on program start.
   static void Initialize(Isolate* isolate);
 
   // V8 generally calls into generated JS code with 5 parameters and into
   // generated RegExp code with 7 parameters. This is a convenience function,
   // which sets up the simulator state and grabs the result on return.
   int32_t Call(byte* entry, int argument_count, ...);
   // Alternative: call a 2-argument double function.
-  double CallFP(byte* entry, double d0, double d1);
+  void CallFP(byte* entry, double d0, double d1);
+  int32_t CallFPReturnsInt(byte* entry, double d0, double d1);
+  double CallFPReturnsDouble(byte* entry, double d0, double d1);
 
   // Push an address onto the JS stack.
   uintptr_t PushAddress(uintptr_t address);
 
   // Pop an address from the JS stack.
   uintptr_t PopAddress();
 
   // Debugger input.
   void set_last_debugger_input(char* input);
   char* last_debugger_input() { return last_debugger_input_; }
@@ skipping 203 matching lines @@
   StopCountAndDesc watched_stops_[kNumOfWatchedStops];
 };
 
 
 // When running with the simulator transition into simulated execution at this
 // point.
 #define CALL_GENERATED_CODE(entry, p0, p1, p2, p3, p4) \
   reinterpret_cast<Object*>(Simulator::current(Isolate::Current())->Call( \
       FUNCTION_ADDR(entry), 5, p0, p1, p2, p3, p4))
 
+#define CALL_GENERATED_FP_INT(entry, p0, p1) \
+  Simulator::current(Isolate::Current())->CallFPReturnsInt( \
+      FUNCTION_ADDR(entry), p0, p1)
+
 #define CALL_GENERATED_REGEXP_CODE(entry, p0, p1, p2, p3, p4, p5, p6, p7, p8) \
   Simulator::current(Isolate::Current())->Call( \
       entry, 10, p0, p1, p2, p3, NULL, p4, p5, p6, p7, p8)
 
 #define TRY_CATCH_FROM_ADDRESS(try_catch_address)                              \
   try_catch_address == NULL ?                                                  \
       NULL : *(reinterpret_cast<TryCatch**>(try_catch_address))
 
 
 // The simulator has its own stack. Thus it has a different stack limit from
@@ skipping 15 matching lines @@
 
   static inline void UnregisterCTryCatch() {
     Simulator::current(Isolate::Current())->PopAddress();
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // !defined(USE_SIMULATOR)
 #endif  // V8_ARM_SIMULATOR_ARM_H_