Implement hardfloat calling convention in macro assembler and simulator.

test/cctest/test-assembler-arm.cc

 // Copyright 2011 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 24 matching lines @@
 
 using namespace v8::internal;
 
 
 // Define these function prototypes to match JSEntryFunction in execution.cc.
 typedef Object* (*F1)(int x, int p1, int p2, int p3, int p4);
 typedef Object* (*F2)(int x, int y, int p2, int p3, int p4);
 typedef Object* (*F3)(void* p0, int p1, int p2, int p3, int p4);
 typedef Object* (*F4)(void* p0, void* p1, int p2, int p3, int p4);
 
-
 static v8::Persistent<v8::Context> env;
 
 
 static void InitializeVM() {
   if (env.IsEmpty()) {
     env = v8::Context::New();
   }
 }
 
 
@@ skipping 948 matching lines @@
   Object* dummy = CALL_GENERATED_CODE(f, &i, 0, 0, 0, 0);
   USE(dummy);
 
   CHECK_EQ(0xabcd0001, i.a);
   CHECK_EQ(static_cast<int32_t>(0xabcd0000) >> 1, i.b);
   CHECK_EQ(0x00000000, i.c);
   CHECK_EQ(0xffffffff, i.d);
 }
 
 #undef __