AuroraMiddleware/v8
1
0
Fork 0
Code Issues 2 Pull Requests Releases Wiki Activity

MIPS: Stores and compound assignments for named super properties.

Browse Source 
Port r24268 (428e63d)

BUG=v8:3330
LOG=N
R=dusan.milosavljevic@imgtec.com

Review URL: https://codereview.chromium.org/616463002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@24284 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
balazs.kilvady@imgtec.com 2014-09-29 12:45:12 +00:00
parent 9b32bb22c1
commit 38da3edf58
2 changed files with 115 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

71
src/mips/full-codegen-mips.cc
View File

@ -1874,13 +1874,19 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
// Left-hand side can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY };
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* property = expr->target()->AsProperty();
if (property != NULL) {
assign_type = (property->key()->IsPropertyName())
? NAMED_PROPERTY
: KEYED_PROPERTY;
? (property->IsSuperAccess() ? NAMED_SUPER_PROPERTY
: NAMED_PROPERTY)
: KEYED_PROPERTY;
}
// Evaluate LHS expression.
@ -1897,6 +1903,16 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
VisitForStackValue(property->obj());
}
break;
case NAMED_SUPER_PROPERTY:
VisitForStackValue(property->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(property->obj()->AsSuperReference());
__ Push(result_register());
if (expr->is_compound()) {
const Register scratch = a1;
__ lw(scratch, MemOperand(sp, kPointerSize));
__ Push(scratch, 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()) {
@ -1925,6 +1941,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case NAMED_SUPER_PROPERTY:
EmitNamedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
@ -1971,6 +1991,9 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
case NAMED_PROPERTY:
EmitNamedPropertyAssignment(expr);
break;
case NAMED_SUPER_PROPERTY:
EmitNamedSuperPropertyAssignment(expr);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
break;
@ -2299,6 +2322,7 @@ void FullCodeGenerator::EmitCreateIteratorResult(bool done) {
void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
SetSourcePosition(prop->position());
Literal* key = prop->key()->AsLiteral();
DCHECK(!prop->IsSuperAccess());
__ li(LoadDescriptor::NameRegister(), Operand(key->value()));
if (FLAG_vector_ics) {
@ -2312,15 +2336,12 @@ void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) {
// Stack: receiver, home_object.
SetSourcePosition(prop->position());
Literal* key = prop->key()->AsLiteral();
DCHECK(!key->value()->IsSmi());
DCHECK(prop->IsSuperAccess());
SuperReference* super_ref = prop->obj()->AsSuperReference();
EmitLoadHomeObject(super_ref);
__ Push(v0);
VisitForStackValue(super_ref->this_var());
__ Push(key->value());
__ CallRuntime(Runtime::kLoadFromSuper, 3);
}
@ -2592,6 +2613,24 @@ void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) {
}
void FullCodeGenerator::EmitNamedSuperPropertyAssignment(Assignment* expr) {
// Assignment to named property of super.
// v0 : value
// stack : receiver ('this'), home_object
Property* prop = expr->target()->AsProperty();
DCHECK(prop != NULL);
Literal* key = prop->key()->AsLiteral();
DCHECK(key != NULL);
__ Push(v0);
__ Push(key->value());
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreToSuper_Strict
: Runtime::kStoreToSuper_Sloppy),
4);
context()->Plug(v0);
}
void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
// Assignment to a property, using a keyed store IC.
@ -2624,6 +2663,9 @@ void FullCodeGenerator::VisitProperty(Property* expr) {
__ Move(LoadDescriptor::ReceiverRegister(), v0);
EmitNamedPropertyLoad(expr);
} else {
VisitForStackValue(expr->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(expr->obj()->AsSuperReference());
__ Push(result_register());
EmitNamedSuperPropertyLoad(expr);
}
PrepareForBailoutForId(expr->LoadId(), TOS_REG);
@ -2692,18 +2734,16 @@ void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
const Register scratch = a1;
SuperReference* super_ref = prop->obj()->AsSuperReference();
EmitLoadHomeObject(super_ref);
__ Push(v0);
__ mov(scratch, v0);
VisitForAccumulatorValue(super_ref->this_var());
__ Push(v0);
__ lw(scratch, MemOperand(sp, kPointerSize));
__ Push(scratch, v0);
__ Push(scratch, v0, v0, scratch);
__ Push(key->value());
// Stack here:
// - home_object
// - this (receiver)
// - home_object <-- LoadFromSuper will pop here and below.
// - this (receiver)
// - this (receiver) <-- LoadFromSuper will pop here and below.
// - home_object
// - key
__ CallRuntime(Runtime::kLoadFromSuper, 3);
@ -4350,6 +4390,11 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
if (prop != NULL) {
assign_type =
(prop->key()->IsPropertyName()) ? NAMED_PROPERTY : KEYED_PROPERTY;
if (prop->IsSuperAccess()) {
// throw exception.
VisitSuperReference(prop->obj()->AsSuperReference());
return;
}
}
// Evaluate expression and get value.

70
src/mips64/full-codegen-mips64.cc
View File

@ -1871,13 +1871,19 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
// Left-hand side can only be a property, a global or a (parameter or local)
// slot.
enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY };
enum LhsKind {
VARIABLE,
NAMED_PROPERTY,
KEYED_PROPERTY,
NAMED_SUPER_PROPERTY
};
LhsKind assign_type = VARIABLE;
Property* property = expr->target()->AsProperty();
if (property != NULL) {
assign_type = (property->key()->IsPropertyName())
? NAMED_PROPERTY
: KEYED_PROPERTY;
? (property->IsSuperAccess() ? NAMED_SUPER_PROPERTY
: NAMED_PROPERTY)
: KEYED_PROPERTY;
}
// Evaluate LHS expression.
@ -1894,6 +1900,16 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
VisitForStackValue(property->obj());
}
break;
case NAMED_SUPER_PROPERTY:
VisitForStackValue(property->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(property->obj()->AsSuperReference());
__ Push(result_register());
if (expr->is_compound()) {
const Register scratch = a1;
__ ld(scratch, MemOperand(sp, kPointerSize));
__ Push(scratch, 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()) {
@ -1922,6 +1938,10 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
EmitNamedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case NAMED_SUPER_PROPERTY:
EmitNamedSuperPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyLoad(property);
PrepareForBailoutForId(property->LoadId(), TOS_REG);
@ -1968,6 +1988,9 @@ void FullCodeGenerator::VisitAssignment(Assignment* expr) {
case NAMED_PROPERTY:
EmitNamedPropertyAssignment(expr);
break;
case NAMED_SUPER_PROPERTY:
EmitNamedSuperPropertyAssignment(expr);
break;
case KEYED_PROPERTY:
EmitKeyedPropertyAssignment(expr);
break;
@ -2310,15 +2333,12 @@ void FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) {
void FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) {
// Stack: receiver, home_object.
SetSourcePosition(prop->position());
Literal* key = prop->key()->AsLiteral();
DCHECK(!key->value()->IsSmi());
DCHECK(prop->IsSuperAccess());
SuperReference* super_ref = prop->obj()->AsSuperReference();
EmitLoadHomeObject(super_ref);
__ Push(v0);
VisitForStackValue(super_ref->this_var());
__ Push(key->value());
__ CallRuntime(Runtime::kLoadFromSuper, 3);
}
@ -2593,6 +2613,24 @@ void FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) {
}
void FullCodeGenerator::EmitNamedSuperPropertyAssignment(Assignment* expr) {
// Assignment to named property of super.
// v0 : value
// stack : receiver ('this'), home_object
Property* prop = expr->target()->AsProperty();
DCHECK(prop != NULL);
Literal* key = prop->key()->AsLiteral();
DCHECK(key != NULL);
__ Push(v0);
__ Push(key->value());
__ CallRuntime((strict_mode() == STRICT ? Runtime::kStoreToSuper_Strict
: Runtime::kStoreToSuper_Sloppy),
4);
context()->Plug(v0);
}
void FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) {
// Assignment to a property, using a keyed store IC.
@ -2625,6 +2663,9 @@ void FullCodeGenerator::VisitProperty(Property* expr) {
__ Move(LoadDescriptor::ReceiverRegister(), v0);
EmitNamedPropertyLoad(expr);
} else {
VisitForStackValue(expr->obj()->AsSuperReference()->this_var());
EmitLoadHomeObject(expr->obj()->AsSuperReference());
__ Push(result_register());
EmitNamedSuperPropertyLoad(expr);
}
PrepareForBailoutForId(expr->LoadId(), TOS_REG);
@ -2693,18 +2734,16 @@ void FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) {
const Register scratch = a1;
SuperReference* super_ref = prop->obj()->AsSuperReference();
EmitLoadHomeObject(super_ref);
__ Push(v0);
__ mov(scratch, v0);
VisitForAccumulatorValue(super_ref->this_var());
__ Push(v0);
__ ld(scratch, MemOperand(sp, kPointerSize));
__ Push(scratch, v0);
__ Push(scratch, v0, v0, scratch);
__ Push(key->value());
// Stack here:
// - home_object
// - this (receiver)
// - home_object <-- LoadFromSuper will pop here and below.
// - this (receiver)
// - this (receiver) <-- LoadFromSuper will pop here and below.
// - home_object
// - key
__ CallRuntime(Runtime::kLoadFromSuper, 3);
@ -4351,6 +4390,11 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
if (prop != NULL) {
assign_type =
(prop->key()->IsPropertyName()) ? NAMED_PROPERTY : KEYED_PROPERTY;
if (prop->IsSuperAccess()) {
// throw exception.
VisitSuperReference(prop->obj()->AsSuperReference());
return;
}
}
// Evaluate expression and get value.