Get rid of the notion of "parameter pointer" that no longer exists in...

src/ia32/codegen-ia32.cc

 // Copyright 2006-2009 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 7100 matching lines @@
   __ ret(0);
 }
 
 
 void CEntryStub::GenerateBody(MacroAssembler* masm, bool is_debug_break) {
   // eax: number of arguments including receiver
   // ebx: pointer to C function  (C callee-saved)
   // ebp: frame pointer  (restored after C call)
   // esp: stack pointer  (restored after C call)
   // esi: current context (C callee-saved)
-  // edi: caller's parameter pointer pp  (C callee-saved)
+  // edi: JS function of the caller (C callee-saved)
 
-  // NOTE: Invocations of builtins may return failure objects
-  // instead of a proper result. The builtin entry handles
-  // this by performing a garbage collection and retrying the
-  // builtin once.
+  // NOTE: Invocations of builtins may return failure objects instead
+  // of a proper result. The builtin entry handles this by performing
+  // a garbage collection and retrying the builtin (twice).
 
   StackFrame::Type frame_type = is_debug_break ?
       StackFrame::EXIT_DEBUG :
       StackFrame::EXIT;
 
   // Enter the exit frame that transitions from JavaScript to C++.
   __ EnterExitFrame(frame_type);
 
   // eax: result parameter for PerformGC, if any (setup below)
   // ebx: pointer to builtin function  (C callee-saved)
@@ skipping 196 matching lines @@
 
   // Slow-case: Go through the JavaScript implementation.
   __ bind(&slow);
   __ InvokeBuiltin(Builtins::INSTANCE_OF, JUMP_FUNCTION);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal