PPC/s390: [builtins] Remove the unused AllocationSite slot from ConstructFrame.

src/builtins/ppc/builtins-ppc.cc

Index: src/builtins/ppc/builtins-ppc.cc
diff --git a/src/builtins/ppc/builtins-ppc.cc b/src/builtins/ppc/builtins-ppc.cc
index 019b443a35791025d53a50514530d90dfc0bc3a9..b05a4c39e53a3c3b971970300f08581d9281528a 100644
--- a/src/builtins/ppc/builtins-ppc.cc
+++ b/src/builtins/ppc/builtins-ppc.cc
@@ -555,14 +555,14 @@ void Builtins::Generate_InOptimizationQueue(MacroAssembler* masm) {
   GenerateTailCallToSharedCode(masm);
 }
 
-static void Generate_JSConstructStubHelper(MacroAssembler* masm,
-                                           bool is_api_function,
-                                           bool create_implicit_receiver,
-                                           bool check_derived_construct) {
+namespace {
+
+void Generate_JSConstructStubHelper(MacroAssembler* masm, bool is_api_function,
+                                    bool create_implicit_receiver,
+                                    bool check_derived_construct) {
   // ----------- S t a t e -------------
   //  -- r3     : number of arguments
   //  -- r4     : constructor function
-  //  -- r5     : allocation site or undefined
   //  -- r6     : new target
   //  -- cp     : context
   //  -- lr     : return address
@@ -576,15 +576,15 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
     FrameAndConstantPoolScope scope(masm, StackFrame::CONSTRUCT);
 
     // Preserve the incoming parameters on the stack.
-    __ AssertUndefinedOrAllocationSite(r5, r7);
+    __ Push(cp);

[JaideepBajwa, 2016/10/18 22:26:59]

as discussed, this Push can be removed. Otherwise lgtm

 
     if (!create_implicit_receiver) {
       __ SmiTag(r7, r3, SetRC);
-      __ Push(cp, r5, r7);
+      __ Push(cp, r7);
       __ PushRoot(Heap::kTheHoleValueRootIndex);
     } else {
       __ SmiTag(r3);
-      __ Push(cp, r5, r3);
+      __ Push(cp, r3);
 
       // Allocate the new receiver object.
       __ Push(r4, r6);
@@ -711,6 +711,8 @@ static void Generate_JSConstructStubHelper(MacroAssembler* masm,
   __ blr();
 }
 
+}  // namespace
+
 void Builtins::Generate_JSConstructStubGeneric(MacroAssembler* masm) {
   Generate_JSConstructStubHelper(masm, false, true, false);
 }