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MIPS port for implement spread calls

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R=svenpanne@chromium.org
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/1073983004

Cr-Commit-Position: refs/heads/master@{#27732}
This commit is contained in:
mvstanton 2015-04-10 00:47:01 -07:00 committed by Commit bot
parent 4eff883bce
commit 69c434e3dd
1 changed files with 87 additions and 32 deletions
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119
src/mips/full-codegen-mips.cc
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@ -3089,6 +3089,22 @@ void FullCodeGenerator::EmitLoadSuperConstructor() {
}
void FullCodeGenerator::EmitInitializeThisAfterSuper(
SuperReference* super_ref) {
Variable* this_var = super_ref->this_var()->var();
GetVar(a1, this_var);
__ LoadRoot(at, Heap::kTheHoleValueRootIndex);
Label uninitialized_this;
__ Branch(&uninitialized_this, eq, a1, Operand(at));
__ li(a0, Operand(this_var->name()));
__ Push(a0);
__ CallRuntime(Runtime::kThrowReferenceError, 1);
__ bind(&uninitialized_this);
EmitVariableAssignment(this_var, Token::INIT_CONST);
}
void FullCodeGenerator::VisitCall(Call* expr) {
#ifdef DEBUG
// We want to verify that RecordJSReturnSite gets called on all paths
@ -3310,18 +3326,7 @@ void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) {
RecordJSReturnSite(expr);
SuperReference* super_ref = expr->expression()->AsSuperReference();
Variable* this_var = super_ref->this_var()->var();
GetVar(a1, this_var);
__ LoadRoot(at, Heap::kTheHoleValueRootIndex);
Label uninitialized_this;
__ Branch(&uninitialized_this, eq, a1, Operand(at));
__ li(a0, Operand(this_var->name()));
__ Push(a0);
__ CallRuntime(Runtime::kThrowReferenceError, 1);
__ bind(&uninitialized_this);
EmitVariableAssignment(this_var, Token::INIT_CONST);
EmitInitializeThisAfterSuper(expr->expression()->AsSuperReference());
context()->Plug(v0);
}
@ -4611,27 +4616,81 @@ void FullCodeGenerator::EmitDebugIsActive(CallRuntime* expr) {
}
void FullCodeGenerator::EmitCallSuperWithSpread(CallRuntime* expr) {
// Assert: expr == CallRuntime("ReflectConstruct")
CallRuntime* call = expr->arguments()->at(0)->AsCallRuntime();
ZoneList<Expression*>* args = call->arguments();
DCHECK_EQ(3, args->length());
SuperReference* super_reference = args->at(0)->AsSuperReference();
// Load ReflectConstruct function
EmitLoadJSRuntimeFunction(call);
// Push the target function under the receiver
__ lw(at, MemOperand(sp, 0));
__ push(at);
__ sw(v0, MemOperand(sp, kPointerSize));
// Push super
EmitLoadSuperConstructor();
__ Push(result_register());
// Push arguments array
VisitForStackValue(args->at(1));
// Push NewTarget
DCHECK(args->at(2)->IsVariableProxy());
VisitForStackValue(args->at(2));
EmitCallJSRuntimeFunction(call);
// Restore context register.
__ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
context()->DropAndPlug(1, v0);
EmitInitializeThisAfterSuper(super_reference);
}
void FullCodeGenerator::EmitLoadJSRuntimeFunction(CallRuntime* expr) {
// Push the builtins object as the receiver.
Register receiver = LoadDescriptor::ReceiverRegister();
__ lw(receiver, GlobalObjectOperand());
__ lw(receiver, FieldMemOperand(receiver, GlobalObject::kBuiltinsOffset));
__ push(receiver);
// Load the function from the receiver.
__ li(LoadDescriptor::NameRegister(), Operand(expr->name()));
if (FLAG_vector_ics) {
__ li(VectorLoadICDescriptor::SlotRegister(),
Operand(SmiFromSlot(expr->CallRuntimeFeedbackSlot())));
CallLoadIC(NOT_CONTEXTUAL);
} else {
CallLoadIC(NOT_CONTEXTUAL, expr->CallRuntimeFeedbackId());
}
}
void FullCodeGenerator::EmitCallJSRuntimeFunction(CallRuntime* expr) {
ZoneList<Expression*>* args = expr->arguments();
int arg_count = args->length();
// Record source position of the IC call.
SetSourcePosition(expr->position());
CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
__ lw(a1, MemOperand(sp, (arg_count + 1) * kPointerSize));
__ CallStub(&stub);
}
void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
ZoneList<Expression*>* args = expr->arguments();
int arg_count = args->length();
if (expr->is_jsruntime()) {
Comment cmnt(masm_, "[ CallRuntime");
// Push the builtins object as the receiver.
Register receiver = LoadDescriptor::ReceiverRegister();
__ lw(receiver, GlobalObjectOperand());
__ lw(receiver, FieldMemOperand(receiver, GlobalObject::kBuiltinsOffset));
__ push(receiver);
// Load the function from the receiver.
__ li(LoadDescriptor::NameRegister(), Operand(expr->name()));
if (FLAG_vector_ics) {
__ li(VectorLoadICDescriptor::SlotRegister(),
Operand(SmiFromSlot(expr->CallRuntimeFeedbackSlot())));
CallLoadIC(NOT_CONTEXTUAL);
} else {
CallLoadIC(NOT_CONTEXTUAL, expr->CallRuntimeFeedbackId());
}
EmitLoadJSRuntimeFunction(expr);
// Push the target function under the receiver.
__ lw(at, MemOperand(sp, 0));
@ -4643,11 +4702,7 @@ void FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) {
VisitForStackValue(args->at(i));
}
// Record source position of the IC call.
SetSourcePosition(expr->position());
CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS);
__ lw(a1, MemOperand(sp, (arg_count + 1) * kPointerSize));
__ CallStub(&stub);
EmitCallJSRuntimeFunction(expr);
// Restore context register.
__ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));