PPC: [interpreter] Switch passing of new.target to register.

src/ppc/builtins-ppc.cc

Index: src/ppc/builtins-ppc.cc
diff --git a/src/ppc/builtins-ppc.cc b/src/ppc/builtins-ppc.cc
index 6d193dbe144456f9776d83f99ab5a21a88335c85..4ede21e0bc452eb005433bbc82510cf713e9e737 100644
--- a/src/ppc/builtins-ppc.cc
+++ b/src/ppc/builtins-ppc.cc
@@ -784,6 +784,7 @@ void Builtins::Generate_JSConstructEntryTrampoline(MacroAssembler* masm) {
 //
 // The live registers are:
 //   o r4: the JS function object being called.
+//   o r6: the new target
 //   o cp: our context
 //   o pp: the caller's constant pool pointer (if enabled)
 //   o fp: the caller's frame pointer
@@ -801,6 +802,7 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   FrameScope frame_scope(masm, StackFrame::MANUAL);
   __ PushFixedFrame(r4);
   __ addi(fp, sp, Operand(StandardFrameConstants::kFixedFrameSizeFromFp));
+  __ push(r6);
 
   // Get the bytecode array from the function object and load the pointer to the
   // first entry into kInterpreterBytecodeRegister.
@@ -867,9 +869,9 @@ void Builtins::Generate_InterpreterEntryTrampoline(MacroAssembler* masm) {
   // Load accumulator, register file, bytecode offset, dispatch table into
   // registers.
   __ LoadRoot(kInterpreterAccumulatorRegister, Heap::kUndefinedValueRootIndex);
-  __ subi(
-      kInterpreterRegisterFileRegister, fp,
-      Operand(kPointerSize + StandardFrameConstants::kFixedFrameSizeFromFp));
+  __ subi(kInterpreterRegisterFileRegister, fp,
+          Operand(2 * kPointerSize +
+                  StandardFrameConstants::kFixedFrameSizeFromFp));
   __ mov(kInterpreterBytecodeOffsetRegister,
          Operand(BytecodeArray::kHeaderSize - kHeapObjectTag));
   __ LoadRoot(kInterpreterDispatchTableRegister,