PPC: [runtime] Introduce a proper %NewArray runtime entry.

src/ppc/code-stubs-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/base/bits.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
 #include "src/codegen.h"
@@ skipping 5035 matching lines @@
   __ LoadP(r6, FieldMemOperand(r5, AllocationSite::kTransitionInfoOffset));
   __ SmiUntag(r6);
   STATIC_ASSERT(AllocationSite::ElementsKindBits::kShift == 0);
   __ And(r6, r6, Operand(AllocationSite::ElementsKindBits::kMask));
   GenerateDispatchToArrayStub(masm, DONT_OVERRIDE);
 
   __ bind(&no_info);
   GenerateDispatchToArrayStub(masm, DISABLE_ALLOCATION_SITES);
 
   __ bind(&subclassing);
-  __ push(r4);
-  __ push(r6);
-
-  // Adjust argc.
   switch (argument_count()) {
     case ANY:
     case MORE_THAN_ONE:
-      __ addi(r3, r3, Operand(2));
+      __ ShiftLeftImm(r0, r3, Operand(kPointerSizeLog2));
+      __ StorePX(r4, MemOperand(sp, r0));
+      __ addi(r3, r3, Operand(3));
       break;
     case NONE:
-      __ li(r3, Operand(2));
+      __ StoreP(r4, MemOperand(sp, 0 * kPointerSize));
+      __ li(r3, Operand(3));
       break;
     case ONE:
-      __ li(r3, Operand(3));
+      __ StoreP(r4, MemOperand(sp, 1 * kPointerSize));
+      __ li(r3, Operand(4));
       break;
   }
 
-  __ JumpToExternalReference(
-      ExternalReference(Runtime::kArrayConstructorWithSubclassing, isolate()));
+  __ Push(r6, r5);
+  __ JumpToExternalReference(ExternalReference(Runtime::kNewArray, isolate()));
 }
 
 
 void InternalArrayConstructorStub::GenerateCase(MacroAssembler* masm,
                                                 ElementsKind kind) {
   __ cmpli(r3, Operand(1));
 
   InternalArrayNoArgumentConstructorStub stub0(isolate(), kind);
   __ TailCallStub(&stub0, lt);
 
@@ skipping 577 matching lines @@
                            kStackUnwindSpace, NULL,
                            MemOperand(fp, 6 * kPointerSize), NULL);
 }
 
 
 #undef __
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_PPC