Fix fast API call for MinGW-w64

src/x64/stub-cache-x64.cc

 // 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 459 matching lines @@
     __ Move(rcx, api_call_info);
     __ movq(rbx, FieldOperand(rcx, CallHandlerInfo::kDataOffset));
     __ movq(Operand(rsp, 3 * kPointerSize), rbx);
   } else {
     __ Move(Operand(rsp, 3 * kPointerSize), call_data);
   }
 
   // Prepare arguments.
   __ lea(rbx, Operand(rsp, 3 * kPointerSize));
 
-#ifdef _WIN64
+#if defined(__MINGW64__)
+  Register arguments_arg = rcx;
+#elif defined(_WIN64)
   // Win64 uses first register--rcx--for returned value.
   Register arguments_arg = rdx;
 #else
   Register arguments_arg = rdi;
 #endif
 
   // Allocate the v8::Arguments structure in the arguments' space since
   // it's not controlled by GC.
   const int kApiStackSpace = 4;
 
@@ skipping 509 matching lines @@
   if (heap()->InNewSpace(callback->data())) {
     __ Move(scratch1, callback);
     __ push(FieldOperand(scratch1, AccessorInfo::kDataOffset));  // data
   } else {
     __ Push(Handle<Object>(callback->data()));
   }
   __ push(name_reg);  // name
   // Save a pointer to where we pushed the arguments pointer.
   // This will be passed as the const AccessorInfo& to the C++ callback.
 
-#ifdef _WIN64
+#if defined(__MINGW64__)
+  Register accessor_info_arg = rdx;
+  Register name_arg = rcx;
+#elif defined(_WIN64)
   // Win64 uses first register--rcx--for returned value.
   Register accessor_info_arg = r8;
   Register name_arg = rdx;
 #else
   Register accessor_info_arg = rsi;
   Register name_arg = rdi;
 #endif
 
   ASSERT(!name_arg.is(scratch2));
   __ movq(name_arg, rsp);
@@ skipping 2765 matching lines @@
     __ jmp(ic_slow, RelocInfo::CODE_TARGET);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64