[builtins] Unify the various versions of [[Call]] with a Call builtin.

src/x64/macro-assembler-x64.cc

 // Copyright 2012 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.
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 3376 matching lines @@
     Check(not_equal, kOperandIsASmiAndNotAName);
     Push(object);
     movp(object, FieldOperand(object, HeapObject::kMapOffset));
     CmpInstanceType(object, LAST_NAME_TYPE);
     Pop(object);
     Check(below_equal, kOperandIsNotAName);
   }
 }
 
 
+void MacroAssembler::AssertFunction(Register object) {
+  if (emit_debug_code()) {
+    testb(object, Immediate(kSmiTagMask));
+    Check(not_equal, kOperandIsASmiAndNotAFunction);
+    Push(object);
+    CmpObjectType(object, JS_FUNCTION_TYPE, object);
+    Pop(object);
+    Check(equal, kOperandIsNotAFunction);
+  }
+}
+
+
 void MacroAssembler::AssertUndefinedOrAllocationSite(Register object) {
   if (emit_debug_code()) {
     Label done_checking;
     AssertNotSmi(object);
     Cmp(object, isolate()->factory()->undefined_value());
     j(equal, &done_checking);
     Cmp(FieldOperand(object, 0), isolate()->factory()->allocation_site_map());
     Assert(equal, kExpectedUndefinedOrCell);
     bind(&done_checking);
   }
@@ skipping 1129 matching lines @@
   // not agree).  A variable occurring in such a scope should have
   // slot type LOOKUP and not CONTEXT.
   if (emit_debug_code()) {
     CompareRoot(FieldOperand(dst, HeapObject::kMapOffset),
                 Heap::kWithContextMapRootIndex);
     Check(not_equal, kVariableResolvedToWithContext);
   }
 }
 
 
+void MacroAssembler::LoadGlobalProxy(Register dst) {
+  movp(dst, GlobalObjectOperand());
+  movp(dst, FieldOperand(dst, GlobalObject::kGlobalProxyOffset));
+}
+
+
 void MacroAssembler::LoadTransitionedArrayMapConditional(
     ElementsKind expected_kind,
     ElementsKind transitioned_kind,
     Register map_in_out,
     Register scratch,
     Label* no_map_match) {
   // Load the global or builtins object from the current context.
   movp(scratch,
        Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
   movp(scratch, FieldOperand(scratch, GlobalObject::kNativeContextOffset));
@@ skipping 491 matching lines @@
   movl(rax, dividend);
   shrl(rax, Immediate(31));
   addl(rdx, rax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X64