Version 3.19.17.

src/mips/stub-cache-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 485 matching lines @@
             miss_restore_name);
       } else if (!holder->HasFastProperties() && !holder->IsJSGlobalProxy()) {
         GenerateDictionaryNegativeLookup(
             masm, miss_restore_name, holder_reg, name, scratch1, scratch2);
       }
     }
   }
 
   Register storage_reg = name_reg;
 
-  if (details.type() == CONSTANT_FUNCTION) {
-    Handle<HeapObject> constant(
-        HeapObject::cast(descriptors->GetValue(descriptor)));
-    __ LoadHeapObject(scratch1, constant);
-    __ Branch(miss_restore_name, ne, value_reg, Operand(scratch1));
-  } else if (FLAG_track_fields && representation.IsSmi()) {
+  if (FLAG_track_fields && representation.IsSmi()) {
     __ JumpIfNotSmi(value_reg, miss_restore_name);
   } else if (FLAG_track_heap_object_fields && representation.IsHeapObject()) {
     __ JumpIfSmi(value_reg, miss_restore_name);
   } else if (FLAG_track_double_fields && representation.IsDouble()) {
     Label do_store, heap_number;
     __ LoadRoot(scratch3, Heap::kHeapNumberMapRootIndex);
     __ AllocateHeapNumber(storage_reg, scratch1, scratch2, scratch3, slow);
 
     __ JumpIfNotSmi(value_reg, &heap_number);
     __ SmiUntag(scratch1, value_reg);
     __ mtc1(scratch1, f6);
     __ cvt_d_w(f4, f6);
     __ jmp(&do_store);
 
     __ bind(&heap_number);
     __ CheckMap(value_reg, scratch1, Heap::kHeapNumberMapRootIndex,
                 miss_restore_name, DONT_DO_SMI_CHECK);
     __ ldc1(f4, FieldMemOperand(value_reg, HeapNumber::kValueOffset));
 
     __ bind(&do_store);
     __ sdc1(f4, FieldMemOperand(storage_reg, HeapNumber::kValueOffset));
   }
 
   // Stub never generated for non-global objects that require access
   // checks.
   ASSERT(object->IsJSGlobalProxy() || !object->IsAccessCheckNeeded());
 
   // Perform map transition for the receiver if necessary.
-  if (details.type() == FIELD &&
-      object->map()->unused_property_fields() == 0) {
+  if (object->map()->unused_property_fields() == 0) {
     // The properties must be extended before we can store the value.
     // We jump to a runtime call that extends the properties array.
     __ push(receiver_reg);
     __ li(a2, Operand(transition));
     __ Push(a2, a0);
     __ TailCallExternalReference(
            ExternalReference(IC_Utility(IC::kSharedStoreIC_ExtendStorage),
                              masm->isolate()),
            3, 1);
     return;
   }
 
   // Update the map of the object.
   __ li(scratch1, Operand(transition));
   __ sw(scratch1, FieldMemOperand(receiver_reg, HeapObject::kMapOffset));
 
   // Update the write barrier for the map field and pass the now unused
   // name_reg as scratch register.
   __ RecordWriteField(receiver_reg,
                       HeapObject::kMapOffset,
                       scratch1,
                       scratch2,
                       kRAHasNotBeenSaved,
                       kDontSaveFPRegs,
                       OMIT_REMEMBERED_SET,
                       OMIT_SMI_CHECK);
 
-  if (details.type() == CONSTANT_FUNCTION) return;
-
   int index = transition->instance_descriptors()->GetFieldIndex(
       transition->LastAdded());
 
   // Adjust for the number of properties stored in the object. Even in the
   // face of a transition we can use the old map here because the size of the
   // object and the number of in-object properties is not going to change.
   index -= object->map()->inobject_properties();
 
   // TODO(verwaest): Share this code as a code stub.
   SmiCheck smi_check = representation.IsTagged()
@@ skipping 352 matching lines @@
   // NOTE: the O32 abi requires a0 to hold a special pointer when returning a
   // struct from the function (which is currently the case). This means we pass
   // the first argument in a1 instead of a0, if returns_handle is true.
   // CallApiFunctionAndReturn will set up a0.
 
   Address function_address = v8::ToCData<Address>(api_call_info->callback());
   bool returns_handle =
       !CallbackTable::ReturnsVoid(masm->isolate(), function_address);
 
   Register first_arg = returns_handle ? a1 : a0;
-  Register second_arg = returns_handle ? a2 : a1;
 
   // first_arg = v8::Arguments&
   // Arguments is built at sp + 1 (sp is a reserved spot for ra).
   __ Addu(first_arg, sp, kPointerSize);
 
   // v8::Arguments::implicit_args_
   __ sw(a2, MemOperand(first_arg, 0 * kPointerSize));
   // v8::Arguments::values_
   __ Addu(t0, a2, Operand(argc * kPointerSize));
   __ sw(t0, MemOperand(first_arg, 1 * kPointerSize));
   // v8::Arguments::length_ = argc
   __ li(t0, Operand(argc));
   __ sw(t0, MemOperand(first_arg, 2 * kPointerSize));
   // v8::Arguments::is_construct_call = 0
   __ sw(zero_reg, MemOperand(first_arg, 3 * kPointerSize));
 
   const int kStackUnwindSpace = argc + kFastApiCallArguments + 1;
   ApiFunction fun(function_address);
   ExternalReference::Type type =
       returns_handle ?
           ExternalReference::DIRECT_API_CALL :
           ExternalReference::DIRECT_API_CALL_NEW;
   ExternalReference ref =
       ExternalReference(&fun,
                         type,
                         masm->isolate());
-
-  Address thunk_address = returns_handle
-      ? FUNCTION_ADDR(&InvokeInvocationCallback)
-      : FUNCTION_ADDR(&InvokeFunctionCallback);
-  ExternalReference::Type thunk_type =
-      returns_handle ?
-          ExternalReference::PROFILING_API_CALL :
-          ExternalReference::PROFILING_API_CALL_NEW;
-  ApiFunction thunk_fun(thunk_address);
-  ExternalReference thunk_ref = ExternalReference(&thunk_fun, thunk_type,
-      masm->isolate());
-
   AllowExternalCallThatCantCauseGC scope(masm);
   __ CallApiFunctionAndReturn(ref,
-                              function_address,
-                              thunk_ref,
-                              second_arg,
                               kStackUnwindSpace,
                               returns_handle,
                               kFastApiCallArguments + 1);
 }
 
 class CallInterceptorCompiler BASE_EMBEDDED {
  public:
   CallInterceptorCompiler(StubCompiler* stub_compiler,
                           const ParameterCount& arguments,
                           Register name,
@@ skipping 472 matching lines @@
         Operand(ExternalReference::isolate_address(isolate())));
   __ sw(scratch4(), MemOperand(sp, 1 * kPointerSize));
   __ sw(name(), MemOperand(sp, 0 * kPointerSize));
 
   Address getter_address = v8::ToCData<Address>(callback->getter());
   bool returns_handle =
       !CallbackTable::ReturnsVoid(isolate(), getter_address);
 
   Register first_arg = returns_handle ? a1 : a0;
   Register second_arg = returns_handle ? a2 : a1;
-  Register third_arg = returns_handle ? a3 : a2;
 
   __ mov(a2, scratch2());  // Saved in case scratch2 == a1.
   __ mov(first_arg, sp);  // (first argument - see note below) = Handle<Name>
 
   // NOTE: the O32 abi requires a0 to hold a special pointer when returning a
   // struct from the function (which is currently the case). This means we pass
   // the arguments in a1-a2 instead of a0-a1, if returns_handle is true.
   // CallApiFunctionAndReturn will set up a0.
 
   const int kApiStackSpace = 1;
   FrameScope frame_scope(masm(), StackFrame::MANUAL);
   __ EnterExitFrame(false, kApiStackSpace);
 
   // Create AccessorInfo instance on the stack above the exit frame with
   // scratch2 (internal::Object** args_) as the data.
   __ sw(a2, MemOperand(sp, kPointerSize));
   // (second argument - see note above) = AccessorInfo&
   __ Addu(second_arg, sp, kPointerSize);
 
   const int kStackUnwindSpace = kFastApiCallArguments + 1;
-
   ApiFunction fun(getter_address);
   ExternalReference::Type type =
       returns_handle ?
           ExternalReference::DIRECT_GETTER_CALL :
           ExternalReference::DIRECT_GETTER_CALL_NEW;
+
   ExternalReference ref = ExternalReference(&fun, type, isolate());
-
-  Address thunk_address = returns_handle
-      ? FUNCTION_ADDR(&InvokeAccessorGetter)
-      : FUNCTION_ADDR(&InvokeAccessorGetterCallback);
-  ExternalReference::Type thunk_type =
-      returns_handle ?
-          ExternalReference::PROFILING_GETTER_CALL :
-          ExternalReference::PROFILING_GETTER_CALL_NEW;
-  ApiFunction thunk_fun(thunk_address);
-  ExternalReference thunk_ref = ExternalReference(&thunk_fun, thunk_type,
-      isolate());
   __ CallApiFunctionAndReturn(ref,
-                              getter_address,
-                              thunk_ref,
-                              third_arg,
                               kStackUnwindSpace,
                               returns_handle,
                               5);
 }
 
 
 void BaseLoadStubCompiler::GenerateLoadInterceptor(
     Register holder_reg,
     Handle<JSObject> object,
     Handle<JSObject> interceptor_holder,
@@ skipping 2241 matching lines @@
     TailCallBuiltin(masm, Builtins::kKeyedStoreIC_Slow);
   }
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS