Simplify the way the code generator handles calls to IC stubs. Before...

src/virtual-frame-ia32.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 243 matching lines @@
   // removed from) the top of the physical frame.
   Result CallRuntime(Runtime::Function* f, int frame_arg_count);
   Result CallRuntime(Runtime::FunctionId id, int frame_arg_count);
 
   // Invoke a builtin, given the number of arguments it expects on (and
   // removes from) the top of the physical frame.
   Result InvokeBuiltin(Builtins::JavaScript id,
                        InvokeFlag flag,
                        int frame_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 a call IC or a JS code object given the number of
+  // arguments it drops from the top of the stack.  Arguments passed
+  // in registers are given as results and invalidated by the call.
+  // 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,
                         Result* arg1,
                         int dropped_args);
 
+  // Call load IC.  Name and receiver are found on top of the frame.
+  // Receiver is not dropped.
+  Result CallLoadIC(RelocInfo::Mode mode);
+
+  // Call keyed load IC.  Key and receiver are found on top of the
+  // frame.  They are not dropped.
+  Result CallKeyedLoadIC(RelocInfo::Mode mode);
+
+  // Call store IC.  Name, value, and receiver are found on top of the
+  // frame.  Receiver is not dropped.
+  Result CallStoreIC();
+
+  // Call keyed store IC.  Value, key, and receiver are found on top
+  // of the frame.  Key and receiver are not dropped.
+  Result CallKeyedStoreIC();
+
   // Drop a number of elements from the top of the expression stack.  May
   // emit code to affect the physical frame.  Does not clobber any registers
   // excepting possibly the stack pointer.
   void Drop(int count);
 
   // Drop one element.
   void Drop() { Drop(1); }
 
   // Duplicate the top element of the frame.
   void Dup() { PushFrameSlotAt(elements_.length() - 1); }
@@ skipping 170 matching lines @@
   Result RawCallCodeObject(Handle<Code> code, RelocInfo::Mode rmode);
 
   bool Equals(VirtualFrame* other);
 
   friend class JumpTarget;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_VIRTUAL_FRAME_IA32_H_