Index: src/arm/full-codegen-arm.cc |
diff --git a/src/arm/full-codegen-arm.cc b/src/arm/full-codegen-arm.cc |
index e6a19a478c8aa093c35e3bee01ec1e4ac605d688..f49eae979d59a5358d827996210a994fc25cd540 100644 |
--- a/src/arm/full-codegen-arm.cc |
+++ b/src/arm/full-codegen-arm.cc |
@@ -307,6 +307,25 @@ void FullCodeGenerator::Generate() { |
SetVar(arguments, r0, r1, r2); |
} |
+ // Possibly set up a local binding to the [[HomeObject]]. |
+ Variable* home_object_var = scope()->home_object_var(); |
+ if (home_object_var != nullptr) { |
+ Comment cmnt(masm_, "[ Home object"); |
+ if (function_in_register) { |
+ __ Move(LoadDescriptor::ReceiverRegister(), r1); |
+ } else { |
+ __ ldr(LoadDescriptor::ReceiverRegister(), |
+ MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
+ } |
+ Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); |
+ __ Move(LoadDescriptor::NameRegister(), home_object_symbol); |
+ __ mov(LoadDescriptor::SlotRegister(), |
+ Operand(SmiFromSlot(function()->HomeObjectFeedbackSlot()))); |
+ CallLoadIC(NOT_CONTEXTUAL); |
+ |
+ SetVar(home_object_var, r0, r1, r2); |
+ } |
+ |
if (FLAG_trace) { |
__ CallRuntime(Runtime::kTraceEnter, 0); |
} |
@@ -1325,27 +1344,6 @@ void FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { |
} |
-void FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { |
- Comment cnmt(masm_, "[ SuperReference "); |
- |
- __ ldr(LoadDescriptor::ReceiverRegister(), |
- MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); |
- |
- Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); |
- __ Move(LoadDescriptor::NameRegister(), home_object_symbol); |
- |
- __ mov(LoadDescriptor::SlotRegister(), |
- Operand(SmiFromSlot(expr->HomeObjectFeedbackSlot()))); |
- CallLoadIC(NOT_CONTEXTUAL); |
- |
- __ cmp(r0, Operand(isolate()->factory()->undefined_value())); |
- Label done; |
- __ b(ne, &done); |
- __ CallRuntime(Runtime::kThrowNonMethodError, 0); |
- __ bind(&done); |
-} |
- |
- |
void FullCodeGenerator::EmitSetHomeObjectIfNeeded(Expression* initializer, |
int offset) { |
if (NeedsHomeObject(initializer)) { |
@@ -1957,7 +1955,8 @@ 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()) { |
const Register scratch = r1; |
@@ -1968,8 +1967,8 @@ 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()) { |
@@ -2611,7 +2610,8 @@ void FullCodeGenerator::EmitAssignment(Expression* expr) { |
case NAMED_SUPER_PROPERTY: { |
__ Push(r0); |
VisitForStackValue(prop->obj()->AsSuperReference()->this_var()); |
- EmitLoadHomeObject(prop->obj()->AsSuperReference()); |
+ VisitForAccumulatorValue( |
+ prop->obj()->AsSuperReference()->home_object_var()); |
// stack: value, this; r0: home_object |
Register scratch = r2; |
Register scratch2 = r3; |
@@ -2627,8 +2627,7 @@ void FullCodeGenerator::EmitAssignment(Expression* expr) { |
case KEYED_SUPER_PROPERTY: { |
__ Push(r0); |
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 = r2; |
Register scratch2 = r3; |
@@ -2840,8 +2839,7 @@ 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 { |
@@ -2853,8 +2851,7 @@ 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); |
} |
@@ -2920,8 +2917,7 @@ void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) { |
// Load the function from the receiver. |
const Register scratch = r1; |
SuperReference* super_ref = prop->obj()->AsSuperReference(); |
- EmitLoadHomeObject(super_ref); |
- __ Push(r0); |
+ VisitForStackValue(super_ref->home_object_var()); |
VisitForAccumulatorValue(super_ref->this_var()); |
__ Push(r0); |
__ Push(r0); |
@@ -2981,8 +2977,7 @@ void FullCodeGenerator::EmitKeyedSuperCallWithLoadIC(Call* expr) { |
// Load the function from the receiver. |
const Register scratch = r1; |
SuperReference* super_ref = prop->obj()->AsSuperReference(); |
- EmitLoadHomeObject(super_ref); |
- __ Push(r0); |
+ VisitForStackValue(super_ref->home_object_var()); |
VisitForAccumulatorValue(super_ref->this_var()); |
__ Push(r0); |
__ Push(r0); |
@@ -4824,7 +4819,8 @@ 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()); |
const Register scratch = r1; |
__ ldr(scratch, MemOperand(sp, kPointerSize)); |
@@ -4836,8 +4832,7 @@ 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()); |
const Register scratch = r1; |