Rename original constructor to new target

src/arm64/code-stubs-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.
 
 #if V8_TARGET_ARCH_ARM64
 
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/ic/handler-compiler.h"
@@ skipping 2604 matching lines @@
          UntagSmiFieldMemOperand(subject, SlicedString::kOffsetOffset));
   __ Ldr(subject, FieldMemOperand(subject, SlicedString::kParentOffset));
   __ B(&check_underlying);    // Go to (4).
 #endif
 }
 
 
 static void CallStubInRecordCallTarget(MacroAssembler* masm, CodeStub* stub,
                                        Register argc, Register function,
                                        Register feedback_vector, Register index,
-                                       Register orig_construct, bool is_super) {
+                                       Register new_target, bool is_super) {
   FrameScope scope(masm, StackFrame::INTERNAL);
 
   // Number-of-arguments register must be smi-tagged to call out.
   __ SmiTag(argc);
   if (is_super) {
-    __ Push(argc, function, feedback_vector, index, orig_construct);
+    __ Push(argc, function, feedback_vector, index, new_target);
   } else {
     __ Push(argc, function, feedback_vector, index);
   }
 
   DCHECK(feedback_vector.Is(x2) && index.Is(x3));
   __ CallStub(stub);
 
   if (is_super) {
-    __ Pop(orig_construct, index, feedback_vector, function, argc);
+    __ Pop(new_target, index, feedback_vector, function, argc);
   } else {
     __ Pop(index, feedback_vector, function, argc);
   }
   __ SmiUntag(argc);
 }
 
 
 static void GenerateRecordCallTarget(MacroAssembler* masm, Register argc,
                                      Register function,
                                      Register feedback_vector, Register index,
-                                     Register orig_construct, Register scratch1,
+                                     Register new_target, Register scratch1,
                                      Register scratch2, Register scratch3,
                                      bool is_super) {
   ASM_LOCATION("GenerateRecordCallTarget");
   DCHECK(!AreAliased(scratch1, scratch2, scratch3, argc, function,
-                     feedback_vector, index, orig_construct));
+                     feedback_vector, index, new_target));
   // Cache the called function in a feedback vector slot. Cache states are
   // uninitialized, monomorphic (indicated by a JSFunction), and megamorphic.
   //  argc :            number of arguments to the construct function
   //  function :        the function to call
   //  feedback_vector : the feedback vector
   //  index :           slot in feedback vector (smi)
-  //  orig_construct :  original constructor (for IsSuperConstructorCall)
+  //  new_target :      new target (for IsSuperConstructorCall)
   Label initialize, done, miss, megamorphic, not_array_function;
 
   DCHECK_EQ(*TypeFeedbackVector::MegamorphicSentinel(masm->isolate()),
             masm->isolate()->heap()->megamorphic_symbol());
   DCHECK_EQ(*TypeFeedbackVector::UninitializedSentinel(masm->isolate()),
             masm->isolate()->heap()->uninitialized_symbol());
 
   // Load the cache state.
   Register feedback = scratch1;
   Register feedback_map = scratch2;
@@ skipping 55 matching lines @@
   // Make sure the function is the Array() function
   __ LoadGlobalFunction(Context::ARRAY_FUNCTION_INDEX, scratch1);
   __ Cmp(function, scratch1);
   __ B(ne, &not_array_function);
 
   // The target function is the Array constructor,
   // Create an AllocationSite if we don't already have it, store it in the
   // slot.
   CreateAllocationSiteStub create_stub(masm->isolate());
   CallStubInRecordCallTarget(masm, &create_stub, argc, function,
-                             feedback_vector, index, orig_construct, is_super);
+                             feedback_vector, index, new_target, is_super);
   __ B(&done);
 
   __ Bind(&not_array_function);
   CreateWeakCellStub weak_cell_stub(masm->isolate());
   CallStubInRecordCallTarget(masm, &weak_cell_stub, argc, function,
-                             feedback_vector, index, orig_construct, is_super);
+                             feedback_vector, index, new_target, is_super);
   __ Bind(&done);
 }
 
 
 void CallConstructStub::Generate(MacroAssembler* masm) {
   ASM_LOCATION("CallConstructStub::Generate");
   // x0 : number of arguments
   // x1 : the function to call
   // x2 : feedback vector
   // x3 : slot in feedback vector (Smi, for RecordCallTarget)
-  // x4 : original constructor (for IsSuperConstructorCall)
+  // x4 : new target (for IsSuperConstructorCall)
   Register function = x1;
 
   Label non_function;
   // Check that the function is not a smi.
   __ JumpIfSmi(function, &non_function);
   // Check that the function is a JSFunction.
   Register object_type = x10;
   __ JumpIfNotObjectType(function, object_type, object_type, JS_FUNCTION_TYPE,
                          &non_function);
 
@@ skipping 54 matching lines @@
   __ Add(feedback_vector, feedback_vector,
          Operand::UntagSmiAndScale(index, kPointerSizeLog2));
   __ Add(feedback_vector, feedback_vector,
          Operand(FixedArray::kHeaderSize + kPointerSize));
   __ Ldr(index, FieldMemOperand(feedback_vector, 0));
   __ Add(index, index, Operand(Smi::FromInt(CallICNexus::kCallCountIncrement)));
   __ Str(index, FieldMemOperand(feedback_vector, 0));
 
   // Set up arguments for the array constructor stub.
   Register allocation_site_arg = feedback_vector;
-  Register original_constructor_arg = index;
+  Register new_target_arg = index;
   __ Mov(allocation_site_arg, allocation_site);
-  __ Mov(original_constructor_arg, function);
+  __ Mov(new_target_arg, function);
   ArrayConstructorStub stub(masm->isolate(), arg_count());
   __ TailCallStub(&stub);
 }
 
 
 void CallICStub::Generate(MacroAssembler* masm) {
   ASM_LOCATION("CallICStub");
 
   // x1 - function
   // x3 - slot id (Smi)
@@ skipping 2387 matching lines @@
   }
 }
 
 
 void ArrayConstructorStub::Generate(MacroAssembler* masm) {
   ASM_LOCATION("ArrayConstructorStub::Generate");
   // ----------- S t a t e -------------
   //  -- x0 : argc (only if argument_count() is ANY or MORE_THAN_ONE)
   //  -- x1 : constructor
   //  -- x2 : AllocationSite or undefined
-  //  -- x3 : original constructor
+  //  -- x3 : new target
   //  -- sp[0] : last argument
   // -----------------------------------
   Register constructor = x1;
   Register allocation_site = x2;
-  Register original_constructor = x3;
+  Register new_target = x3;
 
   if (FLAG_debug_code) {
     // The array construct code is only set for the global and natives
     // builtin Array functions which always have maps.
 
     Label unexpected_map, map_ok;
     // Initial map for the builtin Array function should be a map.
     __ Ldr(x10, FieldMemOperand(constructor,
                                 JSFunction::kPrototypeOrInitialMapOffset));
     // Will both indicate a NULL and a Smi.
     __ JumpIfSmi(x10, &unexpected_map);
     __ JumpIfObjectType(x10, x10, x11, MAP_TYPE, &map_ok);
     __ Bind(&unexpected_map);
     __ Abort(kUnexpectedInitialMapForArrayFunction);
     __ Bind(&map_ok);
 
     // We should either have undefined in the allocation_site register or a
     // valid AllocationSite.
     __ AssertUndefinedOrAllocationSite(allocation_site, x10);
   }
 
   Label subclassing;
-  __ Cmp(original_constructor, constructor);
+  __ Cmp(new_target, constructor);
   __ B(ne, &subclassing);
 
   Register kind = x3;
   Label no_info;
   // Get the elements kind and case on that.
   __ JumpIfRoot(allocation_site, Heap::kUndefinedValueRootIndex, &no_info);
 
   __ Ldrsw(kind,
            UntagSmiFieldMemOperand(allocation_site,
                                    AllocationSite::kTransitionInfoOffset));
   __ And(kind, kind, AllocationSite::ElementsKindBits::kMask);
   GenerateDispatchToArrayStub(masm, DONT_OVERRIDE);
 
   __ Bind(&no_info);
   GenerateDispatchToArrayStub(masm, DISABLE_ALLOCATION_SITES);
 
   // Subclassing support.
   __ Bind(&subclassing);
-  __ Push(constructor, original_constructor);
+  __ Push(constructor, new_target);
   // Adjust argc.
   switch (argument_count()) {
     case ANY:
     case MORE_THAN_ONE:
       __ add(x0, x0, Operand(2));
       break;
     case NONE:
       __ Mov(x0, Operand(2));
       break;
     case ONE:
@@ skipping 585 matching lines @@
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64