Eliminate unused function KeyedStoreIC::GenerateExtendStorage, and unused par...

src/arm/stub-cache-arm.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 243 matching lines @@
   __ TryGetFunctionPrototype(receiver, scratch1, scratch2, miss_label);
   __ mov(r0, scratch1);
   __ Ret();
 }
 
 
 // Generate StoreField code, value is passed in r0 register.
 // After executing generated code, the receiver_reg and name_reg
 // may be clobbered.
 void StubCompiler::GenerateStoreField(MacroAssembler* masm,
-                                      Builtins::Name storage_extend,
                                       JSObject* object,
                                       int index,
                                       Map* transition,
                                       Register receiver_reg,
                                       Register name_reg,
                                       Register scratch,
                                       Label* miss_label) {
   // r0 : value
   Label exit;
 
@@ skipping 12 matching lines @@
   }
 
   // Stub never generated for non-global objects that require access
   // checks.
   ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 
   // Perform map transition for the receiver if necessary.
   if ((transition != NULL) && (object->map()->unused_property_fields() == 0)) {
     // The properties must be extended before we can store the value.
     // We jump to a runtime call that extends the properties array.
+    __ push(receiver_reg);
     __ mov(r2, Operand(Handle<Map>(transition)));
-    // Please note, if we implement keyed store for arm we need
-    // to call the Builtins::KeyedStoreIC_ExtendStorage.
-    Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_ExtendStorage));
-    __ Jump(ic, RelocInfo::CODE_TARGET);
+    __ stm(db_w, sp, r2.bit() | r0.bit());
+    __ TailCallRuntime(
+           ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage)),
+           3, 1);
     return;
   }
 
   if (transition != NULL) {
     // Update the map of the object; no write barrier updating is
     // needed because the map is never in new space.
     __ mov(ip, Operand(Handle<Map>(transition)));
     __ str(ip, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
   }
 
@@ skipping 896 matching lines @@
   //  -- lr    : return address
   //  -- [sp]  : receiver
   // -----------------------------------
   Label miss;
 
   // Get the receiver from the stack.
   __ ldr(r3, MemOperand(sp, 0 * kPointerSize));
 
   // name register might be clobbered.
   GenerateStoreField(masm(),
-                     Builtins::StoreIC_ExtendStorage,
                      object,
                      index,
                      transition,
                      r3, r2, r1,
                      &miss);
   __ bind(&miss);
   __ mov(r2, Operand(Handle<String>(name)));  // restore name
   Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Miss));
   __ Jump(ic, RelocInfo::CODE_TARGET);
 
@@ skipping 483 matching lines @@
   __ IncrementCounter(&Counters::keyed_store_field, 1, r1, r3);
 
   // Check that the name has not changed.
   __ cmp(r2, Operand(Handle<String>(name)));
   __ b(ne, &miss);
 
   // Load receiver from the stack.
   __ ldr(r3, MemOperand(sp));
   // r1 is used as scratch register, r3 and r2 might be clobbered.
   GenerateStoreField(masm(),
-                     Builtins::StoreIC_ExtendStorage,
                      object,
                      index,
                      transition,
                      r3, r2, r1,
                      &miss);
   __ bind(&miss);
 
   __ DecrementCounter(&Counters::keyed_store_field, 1, r1, r3);
   __ mov(r2, Operand(Handle<String>(name)));  // restore name register.
   Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Miss));
@@ skipping 143 matching lines @@
   __ Jump(generic_construct_stub, RelocInfo::CODE_TARGET);
 
   // Return the generated code.
   return GetCode();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal