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Unified Diff: src/full-codegen/mips64/full-codegen-mips64.cc

Issue 2544123004: [fullcodegen] Remove super property access support. (Closed)
Patch Set: Created 4 years ago
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Index: src/full-codegen/mips64/full-codegen-mips64.cc
diff --git a/src/full-codegen/mips64/full-codegen-mips64.cc b/src/full-codegen/mips64/full-codegen-mips64.cc
index a509305c2ffa3de48d961d0b8dd103304643afb5..8f289a59efea7e849a9c4f308641c6fe1bf7321f 100644
--- a/src/full-codegen/mips64/full-codegen-mips64.cc
+++ b/src/full-codegen/mips64/full-codegen-mips64.cc
@@ -1420,34 +1420,6 @@ 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 = a1;
- __ ld(scratch, MemOperand(sp, 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 = a4;
- const Register scratch2 = a1;
- __ ld(scratch1, MemOperand(sp, 2 * kPointerSize));
- __ ld(scratch2, MemOperand(sp, 1 * kPointerSize));
- PushOperands(scratch1, scratch2, result_register());
- }
- break;
- }
case KEYED_PROPERTY:
// We need the key and receiver on both the stack and in v0 and a1.
if (expr->is_compound()) {
@@ -1461,6 +1433,10 @@ 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
@@ -1477,21 +1453,15 @@ 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;
}
}
@@ -1530,17 +1500,13 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
case NAMED_PROPERTY:
EmitNamedPropertyAssignment(expr);
break;
- case NAMED_SUPER_PROPERTY:
- EmitNamedSuperPropertyStore(property);
- context()->Plug(v0);
- break;
- case KEYED_SUPER_PROPERTY:
- EmitKeyedSuperPropertyStore(property);
- context()->Plug(v0);
- break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
break;
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
}
@@ -1729,43 +1695,6 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
CallStoreIC(slot, prop->key()->AsLiteral()->value());
break;
}
- case NAMED_SUPER_PROPERTY: {
- PushOperand(v0);
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForAccumulatorValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- // stack: value, this; v0: home_object
- Register scratch = a2;
- Register scratch2 = a3;
- __ mov(scratch, result_register()); // home_object
- __ ld(v0, MemOperand(sp, kPointerSize)); // value
- __ ld(scratch2, MemOperand(sp, 0)); // this
- __ sd(scratch2, MemOperand(sp, kPointerSize)); // this
- __ sd(scratch, MemOperand(sp, 0)); // home_object
- // stack: this, home_object; v0: value
- EmitNamedSuperPropertyStore(prop);
- break;
- }
- case KEYED_SUPER_PROPERTY: {
- PushOperand(v0);
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForStackValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- VisitForAccumulatorValue(prop->key());
- Register scratch = a2;
- Register scratch2 = a3;
- __ ld(scratch2, MemOperand(sp, 2 * kPointerSize)); // value
- // stack: value, this, home_object; v0: key, a3: value
- __ ld(scratch, MemOperand(sp, kPointerSize)); // this
- __ sd(scratch, MemOperand(sp, 2 * kPointerSize));
- __ ld(scratch, MemOperand(sp, 0)); // home_object
- __ sd(scratch, MemOperand(sp, kPointerSize));
- __ sd(v0, MemOperand(sp, 0));
- __ Move(v0, scratch2);
- // stack: this, home_object, key; v0: value.
- EmitKeyedSuperPropertyStore(prop);
- break;
- }
case KEYED_PROPERTY: {
PushOperand(result_register()); // Preserve value.
VisitForStackValue(prop->obj());
@@ -1776,6 +1705,10 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
CallKeyedStoreIC(slot);
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
context()->Plug(v0);
}
@@ -1869,35 +1802,6 @@ void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) {
}
-void FullCodeGenerator::EmitNamedSuperPropertyStore(Property* prop) {
- // Assignment to named property of super.
- // v0 : value
- // stack : receiver ('this'), home_object
- DCHECK(prop != NULL);
- Literal* key = prop->key()->AsLiteral();
- DCHECK(key != NULL);
-
- PushOperand(key->value());
- PushOperand(v0);
- CallRuntimeWithOperands(is_strict(language_mode())
- ? Runtime::kStoreToSuper_Strict
- : Runtime::kStoreToSuper_Sloppy);
-}
-
-
-void FullCodeGenerator::EmitKeyedSuperPropertyStore(Property* prop) {
- // Assignment to named property of super.
- // v0 : value
- // stack : receiver ('this'), home_object, key
- DCHECK(prop != NULL);
-
- PushOperand(v0);
- CallRuntimeWithOperands(is_strict(language_mode())
- ? Runtime::kStoreKeyedToSuper_Strict
- : Runtime::kStoreKeyedToSuper_Sloppy);
-}
-
-
void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
// Assignment to a property, using a keyed store IC.
// Call keyed store IC.
@@ -1951,43 +1855,6 @@ void FullCodeGenerator::EmitCallWithLoadIC(Call* expr) {
}
-void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
- SetExpressionPosition(expr);
- Expression* callee = expr->expression();
- DCHECK(callee->IsProperty());
- Property* prop = callee->AsProperty();
- DCHECK(prop->IsSuperAccess());
-
- Literal* key = prop->key()->AsLiteral();
- DCHECK(!key->value()->IsSmi());
- // Load the function from the receiver.
- const Register scratch = a1;
- SuperPropertyReference* super_ref = prop->obj()->AsSuperPropertyReference();
- VisitForAccumulatorValue(super_ref->home_object());
- __ mov(scratch, v0);
- VisitForAccumulatorValue(super_ref->this_var());
- PushOperands(scratch, v0, v0, 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.
- __ sd(v0, MemOperand(sp, kPointerSize));
-
- // Stack here:
- // - target function
- // - this (receiver)
- EmitCall(expr);
-}
-
-
// Code common for calls using the IC.
void FullCodeGenerator::EmitKeyedCallWithLoadIC(Call* expr,
Expression* key) {
@@ -2013,41 +1880,6 @@ void FullCodeGenerator::EmitKeyedCallWithLoadIC(Call* expr,
}
-void FullCodeGenerator::EmitKeyedSuperCallWithLoadIC(Call* expr) {
- 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 = a1;
- SuperPropertyReference* super_ref = prop->obj()->AsSuperPropertyReference();
- VisitForAccumulatorValue(super_ref->home_object());
- __ Move(scratch, v0);
- VisitForAccumulatorValue(super_ref->this_var());
- PushOperands(scratch, v0, v0, 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.
- __ sd(v0, MemOperand(sp, kPointerSize));
-
- // Stack here:
- // - target function
- // - this (receiver)
- EmitCall(expr);
-}
-
-
void FullCodeGenerator::EmitCall(Call* expr, ConvertReceiverMode mode) {
// Load the arguments.
ZoneList<Expression*>* args = expr->arguments();
@@ -2577,31 +2409,6 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
break;
}
- case NAMED_SUPER_PROPERTY: {
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForAccumulatorValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- const Register scratch = a1;
- __ ld(scratch, MemOperand(sp, 0)); // this
- PushOperands(result_register(), 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());
- const Register scratch1 = a1;
- const Register scratch2 = a4;
- __ ld(scratch1, MemOperand(sp, 1 * kPointerSize)); // this
- __ ld(scratch2, MemOperand(sp, 0 * kPointerSize)); // home object
- PushOperands(result_register(), scratch1, scratch2, result_register());
- EmitKeyedSuperPropertyLoad(prop);
- break;
- }
-
case KEYED_PROPERTY: {
VisitForStackValue(prop->obj());
VisitForStackValue(prop->key());
@@ -2612,6 +2419,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
case VARIABLE:
UNREACHABLE();
}
@@ -2648,14 +2457,12 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case NAMED_PROPERTY:
__ sd(v0, MemOperand(sp, kPointerSize));
break;
- case NAMED_SUPER_PROPERTY:
- __ sd(v0, MemOperand(sp, 2 * kPointerSize));
- break;
case KEYED_PROPERTY:
__ sd(v0, MemOperand(sp, 2 * kPointerSize));
break;
+ case NAMED_SUPER_PROPERTY:
case KEYED_SUPER_PROPERTY:
- __ sd(v0, MemOperand(sp, 3 * kPointerSize));
+ UNREACHABLE();
break;
}
}
@@ -2688,14 +2495,12 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case NAMED_PROPERTY:
__ sd(v0, MemOperand(sp, kPointerSize));
break;
- case NAMED_SUPER_PROPERTY:
- __ sd(v0, MemOperand(sp, 2 * kPointerSize));
- break;
case KEYED_PROPERTY:
__ sd(v0, MemOperand(sp, 2 * kPointerSize));
break;
+ case NAMED_SUPER_PROPERTY:
case KEYED_SUPER_PROPERTY:
- __ sd(v0, MemOperand(sp, 3 * kPointerSize));
+ UNREACHABLE();
break;
}
}
@@ -2752,30 +2557,6 @@ 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(v0);
- }
- 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(v0);
- }
- break;
- }
case KEYED_PROPERTY: {
__ mov(StoreDescriptor::ValueRegister(), result_register());
PopOperands(StoreDescriptor::ReceiverRegister(),
@@ -2791,6 +2572,10 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
}
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