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Unified Diff: src/full-codegen/arm64/full-codegen-arm64.cc

Issue 2544123004: [fullcodegen] Remove super property access support. (Closed)
Patch Set: Created 4 years ago
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Index: src/full-codegen/arm64/full-codegen-arm64.cc
diff --git a/src/full-codegen/arm64/full-codegen-arm64.cc b/src/full-codegen/arm64/full-codegen-arm64.cc
index fe6c6996375769116bc0123c99eb4f5ce936eed6..cc2604c7f2ce07e48f168e7bccd6cc4a3b139230 100644
--- a/src/full-codegen/arm64/full-codegen-arm64.cc
+++ b/src/full-codegen/arm64/full-codegen-arm64.cc
@@ -1401,33 +1401,6 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
VisitForStackValue(property->obj());
}
break;
- case NAMED_SUPER_PROPERTY:
- VisitForStackValue(
- property->obj()->AsSuperPropertyReference()->this_var());
- VisitForAccumulatorValue(
- property->obj()->AsSuperPropertyReference()->home_object());
- PushOperand(result_register());
- if (expr->is_compound()) {
- const Register scratch = x10;
- __ Peek(scratch, kPointerSize);
- PushOperands(scratch, result_register());
- }
- break;
- case KEYED_SUPER_PROPERTY:
- VisitForStackValue(
- property->obj()->AsSuperPropertyReference()->this_var());
- VisitForStackValue(
- property->obj()->AsSuperPropertyReference()->home_object());
- VisitForAccumulatorValue(property->key());
- PushOperand(result_register());
- if (expr->is_compound()) {
- const Register scratch1 = x10;
- const Register scratch2 = x11;
- __ Peek(scratch1, 2 * kPointerSize);
- __ Peek(scratch2, kPointerSize);
- PushOperands(scratch1, scratch2, result_register());
- }
- break;
case KEYED_PROPERTY:
if (expr->is_compound()) {
VisitForStackValue(property->obj());
@@ -1439,6 +1412,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
VisitForStackValue(property->key());
}
break;
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
// For compound assignments we need another deoptimization point after the
@@ -1455,21 +1432,15 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
PrepareForBailoutForId(property->LoadId(),
BailoutState::TOS_REGISTER);
break;
- case NAMED_SUPER_PROPERTY:
- EmitNamedSuperPropertyLoad(property);
- PrepareForBailoutForId(property->LoadId(),
- BailoutState::TOS_REGISTER);
- break;
- case KEYED_SUPER_PROPERTY:
- EmitKeyedSuperPropertyLoad(property);
- PrepareForBailoutForId(property->LoadId(),
- BailoutState::TOS_REGISTER);
- break;
case KEYED_PROPERTY:
EmitKeyedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(),
BailoutState::TOS_REGISTER);
break;
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
}
@@ -1508,17 +1479,13 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
case NAMED_PROPERTY:
EmitNamedPropertyAssignment(expr);
break;
- case NAMED_SUPER_PROPERTY:
- EmitNamedSuperPropertyStore(property);
- context()->Plug(x0);
- break;
- case KEYED_SUPER_PROPERTY:
- EmitKeyedSuperPropertyStore(property);
- context()->Plug(x0);
- break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
break;
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
}
@@ -1659,43 +1626,6 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
CallStoreIC(slot, prop->key()->AsLiteral()->value());
break;
}
- case NAMED_SUPER_PROPERTY: {
- PushOperand(x0);
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForAccumulatorValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- // stack: value, this; x0: home_object
- Register scratch = x10;
- Register scratch2 = x11;
- __ mov(scratch, result_register()); // home_object
- __ Peek(x0, kPointerSize); // value
- __ Peek(scratch2, 0); // this
- __ Poke(scratch2, kPointerSize); // this
- __ Poke(scratch, 0); // home_object
- // stack: this, home_object; x0: value
- EmitNamedSuperPropertyStore(prop);
- break;
- }
- case KEYED_SUPER_PROPERTY: {
- PushOperand(x0);
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForStackValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- VisitForAccumulatorValue(prop->key());
- Register scratch = x10;
- Register scratch2 = x11;
- __ Peek(scratch2, 2 * kPointerSize); // value
- // stack: value, this, home_object; x0: key, x11: value
- __ Peek(scratch, kPointerSize); // this
- __ Poke(scratch, 2 * kPointerSize);
- __ Peek(scratch, 0); // home_object
- __ Poke(scratch, kPointerSize);
- __ Poke(x0, 0);
- __ Move(x0, scratch2);
- // stack: this, home_object, key; x0: value.
- EmitKeyedSuperPropertyStore(prop);
- break;
- }
case KEYED_PROPERTY: {
PushOperand(x0); // Preserve value.
VisitForStackValue(prop->obj());
@@ -1706,6 +1636,10 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
CallKeyedStoreIC(slot);
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
context()->Plug(x0);
}
@@ -1796,35 +1730,6 @@ void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) {
}
-void FullCodeGenerator::EmitNamedSuperPropertyStore(Property* prop) {
- // Assignment to named property of super.
- // x0 : value
- // stack : receiver ('this'), home_object
- DCHECK(prop != NULL);
- Literal* key = prop->key()->AsLiteral();
- DCHECK(key != NULL);
-
- PushOperand(key->value());
- PushOperand(x0);
- CallRuntimeWithOperands(is_strict(language_mode())
- ? Runtime::kStoreToSuper_Strict
- : Runtime::kStoreToSuper_Sloppy);
-}
-
-
-void FullCodeGenerator::EmitKeyedSuperPropertyStore(Property* prop) {
- // Assignment to named property of super.
- // x0 : value
- // stack : receiver ('this'), home_object, key
- DCHECK(prop != NULL);
-
- PushOperand(x0);
- CallRuntimeWithOperands(is_strict(language_mode())
- ? Runtime::kStoreKeyedToSuper_Strict
- : Runtime::kStoreKeyedToSuper_Sloppy);
-}
-
-
void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
ASM_LOCATION("FullCodeGenerator::EmitKeyedPropertyAssignment");
// Assignment to a property, using a keyed store IC.
@@ -1879,47 +1784,6 @@ void FullCodeGenerator::EmitCallWithLoadIC(Call* expr) {
}
-void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
- ASM_LOCATION("FullCodeGenerator::EmitSuperCallWithLoadIC");
- Expression* callee = expr->expression();
- DCHECK(callee->IsProperty());
- Property* prop = callee->AsProperty();
- DCHECK(prop->IsSuperAccess());
- SetExpressionPosition(prop);
-
- Literal* key = prop->key()->AsLiteral();
- DCHECK(!key->value()->IsSmi());
-
- // Load the function from the receiver.
- const Register scratch = x10;
- SuperPropertyReference* super_ref =
- callee->AsProperty()->obj()->AsSuperPropertyReference();
- VisitForStackValue(super_ref->home_object());
- VisitForAccumulatorValue(super_ref->this_var());
- PushOperand(x0);
- __ Peek(scratch, kPointerSize);
- PushOperands(x0, scratch);
- PushOperand(key->value());
-
- // Stack here:
- // - home_object
- // - this (receiver)
- // - this (receiver) <-- LoadFromSuper will pop here and below.
- // - home_object
- // - key
- CallRuntimeWithOperands(Runtime::kLoadFromSuper);
- PrepareForBailoutForId(prop->LoadId(), BailoutState::TOS_REGISTER);
-
- // Replace home_object with target function.
- __ Poke(x0, kPointerSize);
-
- // Stack here:
- // - target function
- // - this (receiver)
- EmitCall(expr);
-}
-
-
// Code common for calls using the IC.
void FullCodeGenerator::EmitKeyedCallWithLoadIC(Call* expr,
Expression* key) {
@@ -1945,44 +1809,6 @@ void FullCodeGenerator::EmitKeyedCallWithLoadIC(Call* expr,
}
-void FullCodeGenerator::EmitKeyedSuperCallWithLoadIC(Call* expr) {
- ASM_LOCATION("FullCodeGenerator::EmitKeyedSuperCallWithLoadIC");
- Expression* callee = expr->expression();
- DCHECK(callee->IsProperty());
- Property* prop = callee->AsProperty();
- DCHECK(prop->IsSuperAccess());
- SetExpressionPosition(prop);
-
- // Load the function from the receiver.
- const Register scratch = x10;
- SuperPropertyReference* super_ref =
- callee->AsProperty()->obj()->AsSuperPropertyReference();
- VisitForStackValue(super_ref->home_object());
- VisitForAccumulatorValue(super_ref->this_var());
- PushOperand(x0);
- __ Peek(scratch, kPointerSize);
- PushOperands(x0, scratch);
- VisitForStackValue(prop->key());
-
- // Stack here:
- // - home_object
- // - this (receiver)
- // - this (receiver) <-- LoadKeyedFromSuper will pop here and below.
- // - home_object
- // - key
- CallRuntimeWithOperands(Runtime::kLoadKeyedFromSuper);
- PrepareForBailoutForId(prop->LoadId(), BailoutState::TOS_REGISTER);
-
- // Replace home_object with target function.
- __ Poke(x0, kPointerSize);
-
- // Stack here:
- // - target function
- // - this (receiver)
- EmitCall(expr);
-}
-
-
void FullCodeGenerator::EmitCall(Call* expr, ConvertReceiverMode mode) {
ASM_LOCATION("FullCodeGenerator::EmitCall");
// Load the arguments.
@@ -2524,33 +2350,6 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
break;
}
- case NAMED_SUPER_PROPERTY: {
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForAccumulatorValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- PushOperand(result_register());
- const Register scratch = x10;
- __ Peek(scratch, kPointerSize);
- PushOperands(scratch, result_register());
- EmitNamedSuperPropertyLoad(prop);
- break;
- }
-
- case KEYED_SUPER_PROPERTY: {
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForStackValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- VisitForAccumulatorValue(prop->key());
- PushOperand(result_register());
- const Register scratch1 = x10;
- const Register scratch2 = x11;
- __ Peek(scratch1, 2 * kPointerSize);
- __ Peek(scratch2, kPointerSize);
- PushOperands(scratch1, scratch2, result_register());
- EmitKeyedSuperPropertyLoad(prop);
- break;
- }
-
case KEYED_PROPERTY: {
VisitForStackValue(prop->obj());
VisitForStackValue(prop->key());
@@ -2560,6 +2359,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
case VARIABLE:
UNREACHABLE();
}
@@ -2595,14 +2396,12 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case NAMED_PROPERTY:
__ Poke(x0, kPointerSize);
break;
- case NAMED_SUPER_PROPERTY:
- __ Poke(x0, kPointerSize * 2);
- break;
case KEYED_PROPERTY:
__ Poke(x0, kPointerSize * 2);
break;
+ case NAMED_SUPER_PROPERTY:
case KEYED_SUPER_PROPERTY:
- __ Poke(x0, kPointerSize * 3);
+ UNREACHABLE();
break;
}
}
@@ -2634,14 +2433,12 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case NAMED_PROPERTY:
__ Poke(x0, kXRegSize);
break;
- case NAMED_SUPER_PROPERTY:
- __ Poke(x0, 2 * kXRegSize);
- break;
case KEYED_PROPERTY:
__ Poke(x0, 2 * kXRegSize);
break;
+ case NAMED_SUPER_PROPERTY:
case KEYED_SUPER_PROPERTY:
- __ Poke(x0, 3 * kXRegSize);
+ UNREACHABLE();
break;
}
}
@@ -2700,30 +2497,6 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
- case NAMED_SUPER_PROPERTY: {
- EmitNamedSuperPropertyStore(prop);
- PrepareForBailoutForId(expr->AssignmentId(), BailoutState::TOS_REGISTER);
- if (expr->is_postfix()) {
- if (!context()->IsEffect()) {
- context()->PlugTOS();
- }
- } else {
- context()->Plug(x0);
- }
- break;
- }
- case KEYED_SUPER_PROPERTY: {
- EmitKeyedSuperPropertyStore(prop);
- PrepareForBailoutForId(expr->AssignmentId(), BailoutState::TOS_REGISTER);
- if (expr->is_postfix()) {
- if (!context()->IsEffect()) {
- context()->PlugTOS();
- }
- } else {
- context()->Plug(x0);
- }
- break;
- }
case KEYED_PROPERTY: {
PopOperand(StoreDescriptor::NameRegister());
PopOperand(StoreDescriptor::ReceiverRegister());
@@ -2738,6 +2511,10 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
}
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