Index: src/x64/full-codegen-x64.cc |
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc |
index 91842d3c6bab0ac5b52ce9ec7332ef2f9ba66c1f..a95478b88c218396d91c7d0a87e3664534392d10 100644 |
--- a/src/x64/full-codegen-x64.cc |
+++ b/src/x64/full-codegen-x64.cc |
@@ -301,6 +301,28 @@ void FullCodeGenerator::Generate() { |
SetVar(arguments, rax, rbx, rdx); |
} |
+ Variable* home_object_var = scope()->home_object_var(); |
+ if (home_object_var != nullptr) { |
+ Comment cmnt(masm_, "[ Home object"); |
+ if (function_in_register) { |
+ __ movp(LoadDescriptor::ReceiverRegister(), rdi); |
+ } else { |
+ __ movp(LoadDescriptor::ReceiverRegister(), |
+ Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
+ } |
+ Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); |
+ __ Move(LoadDescriptor::NameRegister(), home_object_symbol); |
+ |
+ if (FLAG_vector_ics) { |
+ __ Move(VectorLoadICDescriptor::SlotRegister(), |
+ SmiFromSlot(function()->HomeObjectFeedbackSlot())); |
+ } |
+ CallLoadIC(NOT_CONTEXTUAL); |
+ |
+ SetVar(home_object_var, rax, rbx, rdx); |
+ } |
+ |
+ |
if (FLAG_trace) { |
__ CallRuntime(Runtime::kTraceEnter, 0); |
} |
@@ -1285,32 +1307,6 @@ void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { |
} |
-void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { |
- Comment cnmt(masm_, "[ SuperReference "); |
- |
- __ movp(LoadDescriptor::ReceiverRegister(), |
- Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); |
- |
- Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); |
- __ Move(LoadDescriptor::NameRegister(), home_object_symbol); |
- |
- if (FLAG_vector_ics) { |
- __ Move(VectorLoadICDescriptor::SlotRegister(), |
- SmiFromSlot(expr->HomeObjectFeedbackSlot())); |
- CallLoadIC(NOT_CONTEXTUAL); |
- } else { |
- CallLoadIC(NOT_CONTEXTUAL, expr->HomeObjectFeedbackId()); |
- } |
- |
- |
- __ Cmp(rax, isolate()->factory()->undefined_value()); |
- Label done; |
- __ j(not_equal, &done); |
- __ CallRuntime(Runtime::kThrowNonMethodError, 0); |
- __ bind(&done); |
-} |
- |
- |
void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer, |
int offset) { |
if (NeedsHomeObject(initializer)) { |
@@ -1925,7 +1921,8 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) { |
break; |
case NAMED_SUPER_PROPERTY: |
VisitForStackValue(property->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(property->obj()->AsSuperReference()); |
+ VisitForAccumulatorValue( |
+ property->obj()->AsSuperReference()->home_object_var()); |
__ Push(result_register()); |
if (expr->is_compound()) { |
__ Push(MemOperand(rsp, kPointerSize)); |
@@ -1934,8 +1931,8 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) { |
break; |
case KEYED_SUPER_PROPERTY: |
VisitForStackValue(property->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(property->obj()->AsSuperReference()); |
- __ Push(result_register()); |
+ VisitForStackValue( |
+ property->obj()->AsSuperReference()->home_object_var()); |
VisitForAccumulatorValue(property->key()); |
__ Push(result_register()); |
if (expr->is_compound()) { |
@@ -2540,7 +2537,8 @@ void FullCodeGenerator::EmitAssignment(Expression* expr) { |
case NAMED_SUPER_PROPERTY: { |
__ Push(rax); |
VisitForStackValue(prop->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(prop->obj()->AsSuperReference()); |
+ VisitForAccumulatorValue( |
+ prop->obj()->AsSuperReference()->home_object_var()); |
// stack: value, this; rax: home_object |
Register scratch = rcx; |
Register scratch2 = rdx; |
@@ -2556,8 +2554,7 @@ void FullCodeGenerator::EmitAssignment(Expression* expr) { |
case KEYED_SUPER_PROPERTY: { |
__ Push(rax); |
VisitForStackValue(prop->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(prop->obj()->AsSuperReference()); |
- __ Push(result_register()); |
+ VisitForStackValue(prop->obj()->AsSuperReference()->home_object_var()); |
VisitForAccumulatorValue(prop->key()); |
Register scratch = rcx; |
Register scratch2 = rdx; |
@@ -2765,8 +2762,7 @@ void FullCodeGenerator::VisitProperty(Property* expr) { |
EmitNamedPropertyLoad(expr); |
} else { |
VisitForStackValue(expr->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(expr->obj()->AsSuperReference()); |
- __ Push(result_register()); |
+ VisitForStackValue(expr->obj()->AsSuperReference()->home_object_var()); |
EmitNamedSuperPropertyLoad(expr); |
} |
} else { |
@@ -2778,8 +2774,7 @@ void FullCodeGenerator::VisitProperty(Property* expr) { |
EmitKeyedPropertyLoad(expr); |
} else { |
VisitForStackValue(expr->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(expr->obj()->AsSuperReference()); |
- __ Push(result_register()); |
+ VisitForStackValue(expr->obj()->AsSuperReference()->home_object_var()); |
VisitForStackValue(expr->key()); |
EmitKeyedSuperPropertyLoad(expr); |
} |
@@ -2838,8 +2833,7 @@ void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) { |
DCHECK(!key->value()->IsSmi()); |
// Load the function from the receiver. |
SuperReference* super_ref = prop->obj()->AsSuperReference(); |
- EmitLoadHomeObject(super_ref); |
- __ Push(rax); |
+ VisitForStackValue(super_ref->home_object_var()); |
VisitForAccumulatorValue(super_ref->this_var()); |
__ Push(rax); |
__ Push(rax); |
@@ -2896,8 +2890,7 @@ void FullCodeGenerator::EmitKeyedSuperCallWithLoadIC(Call* expr) { |
SetSourcePosition(prop->position()); |
// Load the function from the receiver. |
SuperReference* super_ref = prop->obj()->AsSuperReference(); |
- EmitLoadHomeObject(super_ref); |
- __ Push(rax); |
+ VisitForStackValue(super_ref->home_object_var()); |
VisitForAccumulatorValue(super_ref->this_var()); |
__ Push(rax); |
__ Push(rax); |
@@ -4795,7 +4788,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) { |
case NAMED_SUPER_PROPERTY: { |
VisitForStackValue(prop->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(prop->obj()->AsSuperReference()); |
+ VisitForAccumulatorValue( |
+ prop->obj()->AsSuperReference()->home_object_var()); |
__ Push(result_register()); |
__ Push(MemOperand(rsp, kPointerSize)); |
__ Push(result_register()); |
@@ -4805,8 +4799,7 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) { |
case KEYED_SUPER_PROPERTY: { |
VisitForStackValue(prop->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(prop->obj()->AsSuperReference()); |
- __ Push(result_register()); |
+ VisitForStackValue(prop->obj()->AsSuperReference()->home_object_var()); |
VisitForAccumulatorValue(prop->key()); |
__ Push(result_register()); |
__ Push(MemOperand(rsp, 2 * kPointerSize)); |