Make VirtualFrame::CallStub on IA32 responsible for moving arguments...

src/virtual-frame-arm.h

 // Copyright 2008 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 230 matching lines @@
   void StoreToParameterAt(int index) {
     StoreToFrameSlotAt(param0_index() + index);
   }
 
   // The receiver frame slot.
   MemOperand Receiver() const { return ParameterAt(-1); }
 
   // Push a try-catch or try-finally handler on top of the virtual frame.
   void PushTryHandler(HandlerType type);
 
-  // Call a code stub, given the number of arguments it expects on (and
-  // removes from) the top of the physical frame.
+  // Call stub given the number of arguments it expects on (and
+  // removes from) the stack.
   Result CallStub(CodeStub* stub, int arg_count);
-  Result CallStub(CodeStub* stub, Result* arg, int arg_count);
-  Result CallStub(CodeStub* stub, Result* arg0, Result* arg1, int arg_count);
 
-  // Call the runtime, given the number of arguments expected on (and
-  // removed from) the top of the physical frame.
+  // Call stub that expects its argument in r0.  The argument is given
+  // as a result which must be the register r0.
+  Result CallStub(CodeStub* stub, Result* arg);
+
+  // Call stub that expects its arguments in r1 and r0.  The arguments
+  // are given as results which must be the appropriate registers.
+  Result CallStub(CodeStub* stub, Result* arg0, Result* arg1);
+
+  // Call runtime given the number of arguments expected on (and
+  // removed from) the stack.
   Result CallRuntime(Runtime::Function* f, int arg_count);
   Result CallRuntime(Runtime::FunctionId id, int arg_count);
 
-  // Invoke a builtin, given the number of arguments it expects on (and
-  // removes from) the top of the physical frame.
+  // Invoke builtin given the number of arguments it expects on (and
+  // removes from) the stack.
   Result InvokeBuiltin(Builtins::JavaScript id,
                        InvokeJSFlags flag,
                        Result* arg_count_register,
                        int arg_count);
 
-  // Call into a JS code object, given the number of arguments it
-  // removes from the top of the physical frame.
-  // Register arguments are passed as results and consumed by the call.
+  // Call into an IC stub given the number of arguments it removes
+  // from the stack.  Register arguments are passed as results and
+  // consumed by the call.
   Result CallCodeObject(Handle<Code> ic,
                         RelocInfo::Mode rmode,
                         int dropped_args);
   Result CallCodeObject(Handle<Code> ic,
                         RelocInfo::Mode rmode,
                         Result* arg,
                         int dropped_args);
   Result CallCodeObject(Handle<Code> ic,
                         RelocInfo::Mode rmode,
                         Result* arg0,
@@ skipping 183 matching lines @@
 
   bool Equals(VirtualFrame* other);
 
   friend class JumpTarget;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_VIRTUAL_FRAME_ARM_H_