PPC: Switch CallConstructStub to take new.target in register.

src/ppc/builtins-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.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_PPC
 
 #include "src/codegen.h"
 #include "src/debug.h"
@@ skipping 1521 matching lines @@
 
     Generate_CheckStackOverflow(masm, kFunctionOffset, r3, kArgcIsSmiTagged);
 
     // Push current limit and index.
     const int kIndexOffset =
         StandardFrameConstants::kExpressionsOffset - (2 * kPointerSize);
     const int kLimitOffset =
         StandardFrameConstants::kExpressionsOffset - (1 * kPointerSize);
     __ li(r4, Operand::Zero());
     __ Push(r3, r4);  // limit and initial index.
-    // Push newTarget and callee functions
-    __ LoadP(r3, MemOperand(fp, kNewTargetOffset));
-    __ push(r3);
+    // Push the constructor function as callee
     __ LoadP(r3, MemOperand(fp, kFunctionOffset));
     __ push(r3);
 
     // Copy all arguments from the array to the stack.
     Generate_PushAppliedArguments(masm, kArgumentsOffset, kIndexOffset,
                                   kLimitOffset);
 
     // Use undefined feedback vector
     __ LoadRoot(r5, Heap::kUndefinedValueRootIndex);
     __ LoadP(r4, MemOperand(fp, kFunctionOffset));
+    __ LoadP(r7, MemOperand(fp, kNewTargetOffset));
 
     // Call the function.
     CallConstructStub stub(masm->isolate(), SUPER_CONSTRUCTOR_CALL);
     __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL);
 
-    __ Drop(1);
-
     // Leave internal frame.
   }
   __ addi(sp, sp, Operand(kStackSize * kPointerSize));
   __ blr();
 }
 
 
 void Builtins::Generate_FunctionApply(MacroAssembler* masm) {
   Generate_ApplyHelper(masm, false);
 }
@@ skipping 213 matching lines @@
     __ bkpt(0);
   }
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC