PPC: [builtins] Add support for NewTarget to Execution::New.

src/full-codegen/ppc/full-codegen-ppc.cc

 // Copyright 2014 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_PPC
 
 #include "src/code-factory.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
 #include "src/compiler.h"
@@ skipping 3997 matching lines @@
   DCHECK(args->length() == 2);
 
   // Evaluate new.target.
   VisitForStackValue(args->at(0));
 
   // Evaluate super constructor (to stack and r4).
   VisitForAccumulatorValue(args->at(1));
   __ push(result_register());
   __ mr(r4, result_register());
 
-  // Load original constructor into r7.
-  __ LoadP(r7, MemOperand(sp, 1 * kPointerSize));
+  // Load original constructor into r6.
+  __ LoadP(r6, MemOperand(sp, 1 * kPointerSize));
 
   // Check if the calling frame is an arguments adaptor frame.
   Label adaptor_frame, args_set_up, runtime;
   __ LoadP(r5, MemOperand(fp, StandardFrameConstants::kCallerFPOffset));
-  __ LoadP(r6, MemOperand(r5, StandardFrameConstants::kContextOffset));
-  __ CmpSmiLiteral(r6, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
+  __ LoadP(r7, MemOperand(r5, StandardFrameConstants::kContextOffset));
+  __ CmpSmiLiteral(r7, Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR), r0);
   __ beq(&adaptor_frame);
 
   // default constructor has no arguments, so no adaptor frame means no args.
   __ li(r3, Operand::Zero());
   __ b(&args_set_up);
 
   // Copy arguments from adaptor frame.
   {
     __ bind(&adaptor_frame);
     __ LoadP(r3, MemOperand(r5, ArgumentsAdaptorFrameConstants::kLengthOffset));
     __ SmiUntag(r3);
 
     // Get arguments pointer in r5.
     __ ShiftLeftImm(r0, r3, Operand(kPointerSizeLog2));
     __ add(r5, r5, r0);
     __ addi(r5, r5, Operand(StandardFrameConstants::kCallerSPOffset));
 
     Label loop;
     __ mtctr(r3);
     __ bind(&loop);
     // Pre-decrement in order to skip receiver.
-    __ LoadPU(r6, MemOperand(r5, -kPointerSize));
-    __ Push(r6);
+    __ LoadPU(r7, MemOperand(r5, -kPointerSize));
+    __ Push(r7);
     __ bdnz(&loop);
   }
 
   __ bind(&args_set_up);
-  __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
-
-  CallConstructStub stub(isolate(), SUPER_CONSTRUCTOR_CALL);
-  __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
+  __ Call(isolate()->builtins()->Construct(), RelocInfo::CONSTRUCT_CALL);
 
   // Restore context register.
   __ LoadP(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
 
   context()->DropAndPlug(1, r3);
 }
 
 
 void FullCodeGenerator::EmitRegExpConstructResult(CallRuntime* expr) {
   RegExpConstructResultStub stub(isolate());
@@ skipping 1142 matching lines @@
     return ON_STACK_REPLACEMENT;
   }
 
   DCHECK(interrupt_address ==
          isolate->builtins()->OsrAfterStackCheck()->entry());
   return OSR_AFTER_STACK_CHECK;
 }
 }  // namespace internal
 }  // namespace v8
 #endif  // V8_TARGET_ARCH_PPC