Revert r19403: "A64: Tidy up Push and Pop TODOs."

src/a64/stub-cache-a64.cc

 // Copyright 2013 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 736 matching lines @@
 // Generate call to api function.
 void StubCompiler::GenerateFastApiCall(MacroAssembler* masm,
                                        const CallOptimization& optimization,
                                        Handle<Map> receiver_map,
                                        Register receiver,
                                        Register scratch,
                                        bool is_store,
                                        int argc,
                                        Register* values) {
   ASSERT(!AreAliased(receiver, scratch));
-
-  MacroAssembler::PushPopQueue queue(masm);
-  queue.Queue(receiver);
-  // Write the arguments to the stack frame.
+  __ Push(receiver);
+  // Write the arguments to stack frame.
   for (int i = 0; i < argc; i++) {
+    // TODO(jbramley): Push these in as few Push() calls as possible.
     Register arg = values[argc-1-i];
     ASSERT(!AreAliased(receiver, scratch, arg));
-    queue.Queue(arg);
+    __ Push(arg);
   }
-  queue.PushQueued();
 
   ASSERT(optimization.is_simple_api_call());
 
   // Abi for CallApiFunctionStub.
   Register callee = x0;
   Register call_data = x4;
   Register holder = x2;
   Register api_function_address = x1;
 
   // Put holder in place.
@@ skipping 776 matching lines @@
 
   // Miss case, call the runtime.
   __ Bind(&miss);
   TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_A64