Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(226)

Issues Search
    My Issues | Starred     Open | Closed | All

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

Issue 2544123004: [fullcodegen] Remove super property access support. (Closed)
Patch Set: Created 4 years ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « src/compiler/ast-graph-builder.cc ('k') | src/full-codegen/arm64/full-codegen-arm64.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/full-codegen/arm/full-codegen-arm.cc
diff --git a/src/full-codegen/arm/full-codegen-arm.cc b/src/full-codegen/arm/full-codegen-arm.cc
index 6019eeebf752f7ed6d70df159d0277213afb3f72..2408fe2cc27f8437edc7bc2a3930090a9c651764 100644
--- a/src/full-codegen/arm/full-codegen-arm.cc
+++ b/src/full-codegen/arm/full-codegen-arm.cc
@@ -1418,35 +1418,6 @@ 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 = r1;
- __ ldr(scratch, MemOperand(sp, kPointerSize));
- PushOperand(scratch);
- PushOperand(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 scratch = r1;
- __ ldr(scratch, MemOperand(sp, 2 * kPointerSize));
- PushOperand(scratch);
- __ ldr(scratch, MemOperand(sp, 2 * kPointerSize));
- PushOperand(scratch);
- PushOperand(result_register());
- }
- break;
case KEYED_PROPERTY:
if (expr->is_compound()) {
VisitForStackValue(property->obj());
@@ -1459,6 +1430,10 @@ 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
@@ -1475,21 +1450,15 @@ 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;
}
}
@@ -1528,17 +1497,13 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
case NAMED_PROPERTY:
EmitNamedPropertyAssignment(expr);
break;
- case NAMED_SUPER_PROPERTY:
- EmitNamedSuperPropertyStore(property);
- context()->Plug(r0);
- break;
- case KEYED_SUPER_PROPERTY:
- EmitKeyedSuperPropertyStore(property);
- context()->Plug(r0);
- break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
break;
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
}
@@ -1718,43 +1683,6 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
CallStoreIC(slot, prop->key()->AsLiteral()->value());
break;
}
- case NAMED_SUPER_PROPERTY: {
- PushOperand(r0);
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForAccumulatorValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- // stack: value, this; r0: home_object
- Register scratch = r2;
- Register scratch2 = r3;
- __ mov(scratch, result_register()); // home_object
- __ ldr(r0, MemOperand(sp, kPointerSize)); // value
- __ ldr(scratch2, MemOperand(sp, 0)); // this
- __ str(scratch2, MemOperand(sp, kPointerSize)); // this
- __ str(scratch, MemOperand(sp, 0)); // home_object
- // stack: this, home_object; r0: value
- EmitNamedSuperPropertyStore(prop);
- break;
- }
- case KEYED_SUPER_PROPERTY: {
- PushOperand(r0);
- VisitForStackValue(prop->obj()->AsSuperPropertyReference()->this_var());
- VisitForStackValue(
- prop->obj()->AsSuperPropertyReference()->home_object());
- VisitForAccumulatorValue(prop->key());
- Register scratch = r2;
- Register scratch2 = r3;
- __ ldr(scratch2, MemOperand(sp, 2 * kPointerSize)); // value
- // stack: value, this, home_object; r0: key, r3: value
- __ ldr(scratch, MemOperand(sp, kPointerSize)); // this
- __ str(scratch, MemOperand(sp, 2 * kPointerSize));
- __ ldr(scratch, MemOperand(sp, 0)); // home_object
- __ str(scratch, MemOperand(sp, kPointerSize));
- __ str(r0, MemOperand(sp, 0));
- __ Move(r0, scratch2);
- // stack: this, home_object, key; r0: value.
- EmitKeyedSuperPropertyStore(prop);
- break;
- }
case KEYED_PROPERTY: {
PushOperand(r0); // Preserve value.
VisitForStackValue(prop->obj());
@@ -1765,6 +1693,10 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
CallKeyedStoreIC(slot);
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
context()->Plug(r0);
}
@@ -1856,35 +1788,6 @@ void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) {
}
-void FullCodeGenerator::EmitNamedSuperPropertyStore(Property* prop) {
- // Assignment to named property of super.
- // r0 : value
- // stack : receiver ('this'), home_object
- DCHECK(prop != NULL);
- Literal* key = prop->key()->AsLiteral();
- DCHECK(key != NULL);
-
- PushOperand(key->value());
- PushOperand(r0);
- CallRuntimeWithOperands(is_strict(language_mode())
- ? Runtime::kStoreToSuper_Strict
- : Runtime::kStoreToSuper_Sloppy);
-}
-
-
-void FullCodeGenerator::EmitKeyedSuperPropertyStore(Property* prop) {
- // Assignment to named property of super.
- // r0 : value
- // stack : receiver ('this'), home_object, key
- DCHECK(prop != NULL);
-
- PushOperand(r0);
- 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.
PopOperands(StoreDescriptor::ReceiverRegister(),
@@ -1932,45 +1835,6 @@ void FullCodeGenerator::EmitCallWithLoadIC(Call* expr) {
}
-void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
- 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 = r1;
- SuperPropertyReference* super_ref = prop->obj()->AsSuperPropertyReference();
- VisitForStackValue(super_ref->home_object());
- VisitForAccumulatorValue(super_ref->this_var());
- PushOperand(r0);
- PushOperand(r0);
- __ ldr(scratch, MemOperand(sp, kPointerSize * 2));
- PushOperand(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.
- __ str(r0, 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) {
@@ -1996,43 +1860,6 @@ 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 = r1;
- SuperPropertyReference* super_ref = prop->obj()->AsSuperPropertyReference();
- VisitForStackValue(super_ref->home_object());
- VisitForAccumulatorValue(super_ref->this_var());
- PushOperand(r0);
- PushOperand(r0);
- __ ldr(scratch, MemOperand(sp, kPointerSize * 2));
- PushOperand(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.
- __ str(r0, 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();
@@ -2560,35 +2387,6 @@ 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 = r1;
- __ ldr(scratch, MemOperand(sp, kPointerSize));
- PushOperand(scratch);
- PushOperand(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 scratch = r1;
- __ ldr(scratch, MemOperand(sp, 2 * kPointerSize));
- PushOperand(scratch);
- __ ldr(scratch, MemOperand(sp, 2 * kPointerSize));
- PushOperand(scratch);
- PushOperand(result_register());
- EmitKeyedSuperPropertyLoad(prop);
- break;
- }
-
case KEYED_PROPERTY: {
VisitForStackValue(prop->obj());
VisitForStackValue(prop->key());
@@ -2599,6 +2397,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
case VARIABLE:
UNREACHABLE();
}
@@ -2634,14 +2434,12 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case NAMED_PROPERTY:
__ str(r0, MemOperand(sp, kPointerSize));
break;
- case NAMED_SUPER_PROPERTY:
- __ str(r0, MemOperand(sp, 2 * kPointerSize));
- break;
case KEYED_PROPERTY:
__ str(r0, MemOperand(sp, 2 * kPointerSize));
break;
+ case NAMED_SUPER_PROPERTY:
case KEYED_SUPER_PROPERTY:
- __ str(r0, MemOperand(sp, 3 * kPointerSize));
+ UNREACHABLE();
break;
}
}
@@ -2673,14 +2471,12 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case NAMED_PROPERTY:
__ str(r0, MemOperand(sp, kPointerSize));
break;
- case NAMED_SUPER_PROPERTY:
- __ str(r0, MemOperand(sp, 2 * kPointerSize));
- break;
case KEYED_PROPERTY:
__ str(r0, MemOperand(sp, 2 * kPointerSize));
break;
+ case NAMED_SUPER_PROPERTY:
case KEYED_SUPER_PROPERTY:
- __ str(r0, MemOperand(sp, 3 * kPointerSize));
+ UNREACHABLE();
break;
}
}
@@ -2737,30 +2533,6 @@ 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(r0);
- }
- 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(r0);
- }
- break;
- }
case KEYED_PROPERTY: {
PopOperands(StoreDescriptor::ReceiverRegister(),
StoreDescriptor::NameRegister());
@@ -2775,6 +2547,10 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
}
« no previous file with comments | « src/compiler/ast-graph-builder.cc ('k') | src/full-codegen/arm64/full-codegen-arm64.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698