Contribution of PowerPC port (continuation of 422063005) - currency

src/ic/ppc/handler-compiler-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/ic/call-optimization.h"
 #include "src/ic/handler-compiler.h"
 #include "src/ic/ic.h"
 
 namespace v8 {
 namespace internal {
 
 #define __ ACCESS_MASM(masm)
 
 
 void NamedLoadHandlerCompiler::GenerateLoadViaGetter(
     MacroAssembler* masm, Handle<Map> map, Register receiver, Register holder,
     int accessor_index, int expected_arguments, Register scratch) {
   // ----------- S t a t e -------------
   //  -- r3    : receiver
   //  -- r5    : name
   //  -- lr    : return address
   // -----------------------------------
   {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
+    FrameScope scope(masm, StackFrame::INTERNAL);
 
     if (accessor_index >= 0) {
       DCHECK(!holder.is(scratch));
       DCHECK(!receiver.is(scratch));
       // Call the JavaScript getter with the receiver on the stack.
       if (map->IsJSGlobalObjectMap()) {
         // Swap in the global receiver.
         __ LoadP(scratch,
                  FieldMemOperand(receiver, JSGlobalObject::kGlobalProxyOffset));
         receiver = scratch;
@@ skipping 16 matching lines @@
 }
 
 
 void NamedStoreHandlerCompiler::GenerateStoreViaSetter(
     MacroAssembler* masm, Handle<Map> map, Register receiver, Register holder,
     int accessor_index, int expected_arguments, Register scratch) {
   // ----------- S t a t e -------------
   //  -- lr    : return address
   // -----------------------------------
   {
-    FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
+    FrameScope scope(masm, StackFrame::INTERNAL);
 
     // Save value register, so we can restore it later.
     __ push(value());
 
     if (accessor_index >= 0) {
       DCHECK(!holder.is(scratch));
       DCHECK(!receiver.is(scratch));
       DCHECK(!value().is(scratch));
       // Call the JavaScript setter with receiver and value on the stack.
       if (map->IsJSGlobalObjectMap()) {
@@ skipping 534 matching lines @@
   // case might cause a miss during the prototype check.
   bool must_perform_prototype_check =
       !holder().is_identical_to(it->GetHolder<JSObject>());
   bool must_preserve_receiver_reg =
       !receiver().is(holder_reg) &&
       (it->state() == LookupIterator::ACCESSOR || must_perform_prototype_check);
 
   // Save necessary data before invoking an interceptor.
   // Requires a frame to make GC aware of pushed pointers.
   {
-    FrameAndConstantPoolScope frame_scope(masm(), StackFrame::INTERNAL);
+    FrameScope frame_scope(masm(), StackFrame::INTERNAL);
     if (must_preserve_receiver_reg) {
       __ Push(receiver(), holder_reg, this->name());
     } else {
       __ Push(holder_reg, this->name());
     }
     InterceptorVectorSlotPush(holder_reg);
     // Invoke an interceptor.  Note: map checks from receiver to
     // interceptor's holder has been compiled before (see a caller
     // of this method.)
     CompileCallLoadPropertyWithInterceptor(
@@ skipping 31 matching lines @@
                            holder());
 
   ExternalReference ref = ExternalReference(
       IC_Utility(IC::kLoadPropertyWithInterceptor), isolate());
   __ TailCallExternalReference(
       ref, NamedLoadHandlerCompiler::kInterceptorArgsLength, 1);
 }
 
 
 Handle<Code> NamedStoreHandlerCompiler::CompileStoreCallback(
-    Handle<JSObject> object, Handle<Name> name, int accessor_index) {
+    Handle<JSObject> object, Handle<Name> name,
+    Handle<ExecutableAccessorInfo> callback) {
   Register holder_reg = Frontend(name);
 
   __ Push(receiver(), holder_reg);  // receiver
-  __ LoadSmiLiteral(ip, Smi::FromInt(accessor_index));
+
+  // If the callback cannot leak, then push the callback directly,
+  // otherwise wrap it in a weak cell.
+  if (callback->data()->IsUndefined() || callback->data()->IsSmi()) {
+    __ mov(ip, Operand(callback));
+  } else {
+    Handle<WeakCell> cell = isolate()->factory()->NewWeakCell(callback);
+    __ mov(ip, Operand(cell));
+  }
   __ push(ip);
   __ mov(ip, Operand(name));
   __ Push(ip, value());
 
   // Do tail-call to the runtime system.
   ExternalReference store_callback_property =
       ExternalReference(IC_Utility(IC::kStoreCallbackProperty), isolate());
   __ TailCallExternalReference(store_callback_property, 5, 1);
 
   // Return the generated code.
@@ skipping 53 matching lines @@
   // Return the generated code.
   return GetCode(kind(), Code::NORMAL, name);
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM