PPC: Vector ICs: Turbofan vector store ic support

src/ppc/full-codegen-ppc.cc

Index: src/ppc/full-codegen-ppc.cc
diff --git a/src/ppc/full-codegen-ppc.cc b/src/ppc/full-codegen-ppc.cc
index 006d38309a50ab9dcc4c6ad55a594ea0147fc698..e9005970d34ed80654c905263b1f2fbbe1be1590 100644
--- a/src/ppc/full-codegen-ppc.cc
+++ b/src/ppc/full-codegen-ppc.cc
@@ -2548,7 +2548,8 @@ void FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr,
 }
 
 
-void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
+void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit,
+                                                  int* used_store_slots) {
   // Constructor is in r3.
   DCHECK(lit != NULL);
   __ push(r3);
@@ -2560,10 +2561,6 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
            FieldMemOperand(r3, JSFunction::kPrototypeOrInitialMapOffset));
   __ push(scratch);
 
-  // store_slot_index points to the vector IC slot for the next store IC used.
-  // ClassLiteral::ComputeFeedbackRequirements controls the allocation of slots
-  // and must be updated if the number of store ICs emitted here changes.
-  int store_slot_index = 0;
   for (int i = 0; i < lit->properties()->length(); i++) {
     ObjectLiteral::Property* property = lit->properties()->at(i);
     Expression* value = property->value();
@@ -2587,7 +2584,7 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
 
     VisitForStackValue(value);
     EmitSetHomeObjectIfNeeded(value, 2,
-                              lit->SlotForHomeObject(value, &store_slot_index));
+                              lit->SlotForHomeObject(value, used_store_slots));
 
     switch (property->kind()) {
       case ObjectLiteral::Property::CONSTANT:
@@ -2620,10 +2617,6 @@ void FullCodeGenerator::EmitClassDefineProperties(ClassLiteral* lit) {
 
   // constructor
   __ CallRuntime(Runtime::kToFastProperties, 1);
-
-  // Verify that compilation exactly consumed the number of store ic slots that
-  // the ClassLiteral node had to offer.
-  DCHECK(!FLAG_vector_stores || store_slot_index == lit->slot_count());
 }