Inline functions that use arguments object in f.apply(o, arguments) pattern.

src/x64/lithium-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 1074 matching lines @@
 
 LInstruction* LChunkBuilder::DoInstanceOfKnownGlobal(
     HInstanceOfKnownGlobal* instr) {
   LInstanceOfKnownGlobal* result =
       new(zone()) LInstanceOfKnownGlobal(UseFixed(instr->left(), rax),
                                          FixedTemp(rdi));
   return MarkAsCall(DefineFixed(result, rax), instr);
 }
 
 
+LInstruction* LChunkBuilder::DoWrapReceiver(HWrapReceiver* instr) {
+  LOperand* receiver = UseRegisterAtStart(instr->receiver());

[fschneider, 2012/03/12 10:13:32]

I think it does not matter with DefineSameAsFirst, but on ia32 this is defined
as UseRegister. Maybe we should be consistent.

+  LOperand* function = UseRegisterAtStart(instr->function());
+  LWrapReceiver* result = new(zone()) LWrapReceiver(receiver, function);
+  return AssignEnvironment(DefineSameAsFirst(result));
+}
+
+
 LInstruction* LChunkBuilder::DoApplyArguments(HApplyArguments* instr) {
   LOperand* function = UseFixed(instr->function(), rdi);
   LOperand* receiver = UseFixed(instr->receiver(), rax);
   LOperand* length = UseFixed(instr->length(), rbx);
   LOperand* elements = UseFixed(instr->elements(), rcx);
   LApplyArguments* result = new(zone()) LApplyArguments(function,
                                                 receiver,
                                                 length,
                                                 elements);
   return MarkAsCall(DefineFixed(result, rax), instr, CAN_DEOPTIMIZE_EAGERLY);
@@ skipping 1196 matching lines @@
 LInstruction* LChunkBuilder::DoLoadFieldByIndex(HLoadFieldByIndex* instr) {
   LOperand* object = UseRegister(instr->object());
   LOperand* index = UseTempRegister(instr->index());
   return DefineSameAsFirst(new(zone()) LLoadFieldByIndex(object, index));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64