[es6] Remove the %DefaultConstructorCallSuper intrinsic.

src/full-codegen/mips/full-codegen-mips.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_MIPS
 
 // Note on Mips implementation:
 //
 // The result_register() for mips is the 'v0' register, which is defined
 // by the ABI to contain function return values. However, the first
@@ skipping 3714 matching lines @@
   // Call the target.
   __ li(a0, Operand(argc));
   __ Call(isolate()->builtins()->Call(), RelocInfo::CODE_TARGET);
   // Restore context register.
   __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
   // Discard the function left on TOS.
   context()->DropAndPlug(1, v0);
 }
 
 
-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 a3.
-  __ lw(a3, MemOperand(sp, 1 * kPointerSize));
-
-  // Check if the calling frame is an arguments adaptor frame.
-  Label adaptor_frame, args_set_up, runtime;
-  __ lw(a2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
-  __ lw(t0, MemOperand(a2, StandardFrameConstants::kContextOffset));
-  __ Branch(&adaptor_frame, eq, t0,
-            Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)));
-  // default constructor has no arguments, so no adaptor frame means no args.
-  __ mov(a0, zero_reg);
-  __ Branch(&args_set_up);
-
-  // Copy arguments from adaptor frame.
-  {
-    __ bind(&adaptor_frame);
-    __ lw(a1, MemOperand(a2, ArgumentsAdaptorFrameConstants::kLengthOffset));
-    __ SmiUntag(a1, a1);
-
-    __ mov(a0, a1);
-
-    // Get arguments pointer in a2.
-    __ sll(at, a1, kPointerSizeLog2);
-    __ addu(a2, a2, at);
-    __ Addu(a2, a2, Operand(StandardFrameConstants::kCallerSPOffset));
-    Label loop;
-    __ bind(&loop);
-    // Pre-decrement a2 with kPointerSize on each iteration.
-    // Pre-decrement in order to skip receiver.
-    __ Addu(a2, a2, Operand(-kPointerSize));
-    __ lw(t0, MemOperand(a2));
-    __ Push(t0);
-    __ Addu(a1, a1, Operand(-1));
-    __ Branch(&loop, ne, a1, Operand(zero_reg));
-  }
-
-  __ bind(&args_set_up);
-  __ sll(at, a0, kPointerSizeLog2);
-  __ Addu(at, at, Operand(sp));
-  __ lw(a1, MemOperand(at, 0));
-  __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
-
-  // Restore context register.
-  __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
-
-  context()->DropAndPlug(1, result_register());
-}
-
-
 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 1107 matching lines @@
          reinterpret_cast<uint32_t>(
              isolate->builtins()->OsrAfterStackCheck()->entry()));
   return OSR_AFTER_STACK_CHECK;
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS