[stubs] Unify (and optimize) implementation of ToObject.

src/arm64/builtins-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/codegen.h"
 #include "src/debug.h"
@@ skipping 1337 matching lines @@
     __ JumpIfObjectType(receiver, scratch1, scratch2,
                         FIRST_SPEC_OBJECT_TYPE, &shift_arguments, ge);
 
     __ Bind(&convert_to_object);
 
     {
       // Enter an internal frame in order to preserve argument count.
       FrameScope scope(masm, StackFrame::INTERNAL);
       __ SmiTag(argc);
 
-      __ Push(argc, receiver);
-      __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION);
+      __ Push(argc);
+      __ Mov(x0, receiver);
+      ToObjectStub stub(masm->isolate());
+      __ CallStub(&stub);
       __ Mov(receiver, x0);
 
       __ Pop(argc);
       __ SmiUntag(argc);
 
       // Exit the internal frame.
     }
 
     // Restore the function and flag in the registers.
     __ Peek(function, Operand(argc, LSL, kXRegSizeLog2));
@@ skipping 205 matching lines @@
     __ JumpIfRoot(receiver, Heap::kUndefinedValueRootIndex,
                   &use_global_proxy);
 
     // Check if the receiver is already a JavaScript object.
     STATIC_ASSERT(LAST_SPEC_OBJECT_TYPE == LAST_TYPE);
     __ JumpIfObjectType(receiver, x10, x11, FIRST_SPEC_OBJECT_TYPE,
                         &push_receiver, ge);
 
     // Call a builtin to convert the receiver to a regular object.
     __ Bind(&convert_receiver_to_object);
-    __ Push(receiver);
-    __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION);
+    __ Mov(x0, receiver);
+    ToObjectStub stub(masm->isolate());
+    __ CallStub(&stub);
     __ Mov(receiver, x0);
     __ B(&push_receiver);
 
     __ Bind(&use_global_proxy);
     __ Ldr(x10, GlobalObjectMemOperand());
     __ Ldr(receiver, FieldMemOperand(x10, GlobalObject::kGlobalProxyOffset));
 
     // Push the receiver
     __ Bind(&push_receiver);
     __ Push(receiver);
@@ skipping 326 matching lines @@
   }
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM