Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(213)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: src/full-codegen/mips/full-codegen-mips.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/full-codegen/ia32/full-codegen-ia32.cc ('k') | src/full-codegen/mips64/full-codegen-mips64.cc » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: src/full-codegen/mips/full-codegen-mips.cc
diff --git a/src/full-codegen/mips/full-codegen-mips.cc b/src/full-codegen/mips/full-codegen-mips.cc
index 68b3aa1257cada15dee0a8de758b271aa36d48c8..fdf43c06dfa5ee61d3155191b17822004ec11b18 100644
--- a/src/full-codegen/mips/full-codegen-mips.cc
+++ b/src/full-codegen/mips/full-codegen-mips.cc
@@ -1418,34 +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 = a1;
- __ lw(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 = t0;
- const Register scratch2 = a1;
- __ lw(scratch1, MemOperand(sp, 2 * kPointerSize));
- __ lw(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()) {
@@ -1459,6 +1431,10 @@ 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 +1451,15 @@ 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 +1498,13 @@ 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;
}
}
@@ -1728,43 +1694,6 @@ 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
- __ lw(v0, MemOperand(sp, kPointerSize)); // value
- __ lw(scratch2, MemOperand(sp, 0)); // this
- __ sw(scratch2, MemOperand(sp, kPointerSize)); // this
- __ sw(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;
- __ lw(scratch2, MemOperand(sp, 2 * kPointerSize)); // value
- // stack: value, this, home_object; v0: key, a3: value
- __ lw(scratch, MemOperand(sp, kPointerSize)); // this
- __ sw(scratch, MemOperand(sp, 2 * kPointerSize));
- __ lw(scratch, MemOperand(sp, 0)); // home_object
- __ sw(scratch, MemOperand(sp, kPointerSize));
- __ sw(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());
@@ -1775,6 +1704,10 @@ void FullCodeGenerator::EmitAssignment(Expression* expr,
CallKeyedStoreIC(slot);
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
context()->Plug(v0);
}
@@ -1868,35 +1801,6 @@ 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.
@@ -1950,43 +1854,6 @@ 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.
- __ sw(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) {
@@ -2012,41 +1879,6 @@ 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.
- __ sw(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();
@@ -2576,31 +2408,6 @@ 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;
- __ lw(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 = t0;
- __ lw(scratch1, MemOperand(sp, 1 * kPointerSize)); // this
- __ lw(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());
@@ -2611,6 +2418,8 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
case VARIABLE:
UNREACHABLE();
}
@@ -2647,14 +2456,12 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case NAMED_PROPERTY:
__ sw(v0, MemOperand(sp, kPointerSize));
break;
- case NAMED_SUPER_PROPERTY:
- __ sw(v0, MemOperand(sp, 2 * kPointerSize));
- break;
case KEYED_PROPERTY:
__ sw(v0, MemOperand(sp, 2 * kPointerSize));
break;
+ case NAMED_SUPER_PROPERTY:
case KEYED_SUPER_PROPERTY:
- __ sw(v0, MemOperand(sp, 3 * kPointerSize));
+ UNREACHABLE();
break;
}
}
@@ -2687,14 +2494,12 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
case NAMED_PROPERTY:
__ sw(v0, MemOperand(sp, kPointerSize));
break;
- case NAMED_SUPER_PROPERTY:
- __ sw(v0, MemOperand(sp, 2 * kPointerSize));
- break;
case KEYED_PROPERTY:
__ sw(v0, MemOperand(sp, 2 * kPointerSize));
break;
+ case NAMED_SUPER_PROPERTY:
case KEYED_SUPER_PROPERTY:
- __ sw(v0, MemOperand(sp, 3 * kPointerSize));
+ UNREACHABLE();
break;
}
}
@@ -2751,30 +2556,6 @@ 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(),
@@ -2790,6 +2571,10 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
}
break;
}
+ case NAMED_SUPER_PROPERTY:
+ case KEYED_SUPER_PROPERTY:
+ UNREACHABLE();
+ break;
}
}
« no previous file with comments | « src/full-codegen/ia32/full-codegen-ia32.cc ('k') | src/full-codegen/mips64/full-codegen-mips64.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698