[es6] Remove the %DefaultConstructorCallSuper intrinsic.

src/full-codegen/arm64/full-codegen-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/ast/scopes.h"
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 3416 matching lines @@
   // Call the target.
   __ Mov(x0, argc);
   __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
   // Restore context register.
   __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
   // Discard the function left on TOS.
   context()->DropAndPlug(1, x0);
 }
 
 
-void FullCodeGenerator::EmitDefaultConstructorCallSuper(CallRuntime* expr) {
-  ZoneList<Expression*>* args = expr->arguments();
-  DCHECK(args->length() == 2);
-
-  // Evaluate new.target and super constructor.
-  VisitForStackValue(args->at(0));
-  VisitForStackValue(args->at(1));
-
-  // Call the construct call builtin that handles allocation and
-  // constructor invocation.
-  SetConstructCallPosition(expr);
-
-  // Load new target into x3.
-  __ Peek(x3, 1 * kPointerSize);
-
-  // Check if the calling frame is an arguments adaptor frame.
-  Label adaptor_frame, args_set_up, runtime;
-  __ Ldr(x11, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
-  __ Ldr(x12, MemOperand(x11, StandardFrameConstants::kContextOffset));
-  __ Cmp(x12, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR));
-  __ B(eq, &adaptor_frame);
-  // default constructor has no arguments, so no adaptor frame means no args.
-  __ Mov(x0, Operand(0));
-  __ B(&args_set_up);
-
-  // Copy arguments from adaptor frame.
-  {
-    __ bind(&adaptor_frame);
-    __ Ldr(x1, MemOperand(x11, ArgumentsAdaptorFrameConstants::kLengthOffset));
-    __ SmiUntag(x1, x1);
-
-    __ Mov(x0, x1);
-
-    // Get arguments pointer in x11.
-    __ Add(x11, x11, Operand(x1, LSL, kPointerSizeLog2));
-    __ Add(x11, x11, StandardFrameConstants::kCallerSPOffset);
-    Label loop;
-    __ bind(&loop);
-    // Pre-decrement x11 with kPointerSize on each iteration.
-    // Pre-decrement in order to skip receiver.
-    __ Ldr(x10, MemOperand(x11, -kPointerSize, PreIndex));
-    __ Push(x10);
-    __ Sub(x1, x1, Operand(1));
-    __ Cbnz(x1, &loop);
-  }
-
-  __ bind(&args_set_up);
-  __ Peek(x1, Operand(x0, LSL, kPointerSizeLog2));
-  __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
-
-  // Restore context register.
-  __ Ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
-
-  context()->DropAndPlug(1, x0);
-}
-
-
 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) {
   ZoneList<Expression*>* args = expr->arguments();
   VisitForAccumulatorValue(args->at(0));
 
   Label materialize_true, materialize_false;
   Label* if_true = NULL;
   Label* if_false = NULL;
   Label* fall_through = NULL;
   context()->PrepareTest(&materialize_true, &materialize_false,
                          &if_true, &if_false, &fall_through);
@@ skipping 1430 matching lines @@
   }
 
   return INTERRUPT;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_ARM64