bool
StoreTypedArrayPolicy::adjustInputs(TempAllocator &alloc, MInstruction *ins)
{
MStoreTypedArrayElement *store = ins->toStoreTypedArrayElement();
MOZ_ASSERT(store->elements()->type() == MIRType_Elements);
MOZ_ASSERT(store->index()->type() == MIRType_Int32);
return adjustValueInput(alloc, ins, store->arrayType(), store->value(), 2);
}
bool
StoreTypedArrayPolicy::adjustInputs(TempAllocator &alloc, MInstruction *ins)
{
SingleObjectPolicy::staticAdjustInputs(alloc, ins);
MStoreTypedArrayElement *store = ins->toStoreTypedArrayElement();
MOZ_ASSERT(IsValidElementsType(store->elements(), store->offsetAdjustment()));
MOZ_ASSERT(store->index()->type() == MIRType_Int32);
return adjustValueInput(alloc, ins, store->arrayType(), store->value(), 2);
}
bool
StoreTypedArrayPolicy::adjustInputs(MInstruction *ins)
{
MStoreTypedArrayElement *store = ins->toStoreTypedArrayElement();
JS_ASSERT(store->elements()->type() == MIRType_Elements);
JS_ASSERT(store->index()->type() == MIRType_Int32);
int arrayType = store->arrayType();
MDefinition *value = store->value();
// First, ensure the value is int32, boolean, double or Value.
// The conversion is based on TypedArrayTemplate::setElementTail.
switch (value->type()) {
case MIRType_Int32:
case MIRType_Double:
case MIRType_Boolean:
case MIRType_Value:
break;
case MIRType_Null:
value->setFoldedUnchecked();
value = MConstant::New(Int32Value(0));
ins->block()->insertBefore(ins, value->toInstruction());
break;
case MIRType_Object:
case MIRType_Undefined:
value->setFoldedUnchecked();
value = MConstant::New(DoubleValue(js_NaN));
ins->block()->insertBefore(ins, value->toInstruction());
break;
case MIRType_String:
value = boxAt(ins, value);
break;
default:
JS_NOT_REACHED("Unexpected type");
break;
}
if (value != store->value())
ins->replaceOperand(2, value);
JS_ASSERT(value->type() == MIRType_Int32 ||
value->type() == MIRType_Boolean ||
value->type() == MIRType_Double ||
value->type() == MIRType_Value);
switch (arrayType) {
case TypedArray::TYPE_INT8:
case TypedArray::TYPE_UINT8:
case TypedArray::TYPE_INT16:
case TypedArray::TYPE_UINT16:
case TypedArray::TYPE_INT32:
case TypedArray::TYPE_UINT32:
if (value->type() != MIRType_Int32) {
value = MTruncateToInt32::New(value);
ins->block()->insertBefore(ins, value->toInstruction());
}
break;
case TypedArray::TYPE_UINT8_CLAMPED:
// IonBuilder should have inserted ClampToUint8.
JS_ASSERT(value->type() == MIRType_Int32);
break;
case TypedArray::TYPE_FLOAT32:
case TypedArray::TYPE_FLOAT64:
if (value->type() != MIRType_Double) {
value = MToDouble::New(value);
ins->block()->insertBefore(ins, value->toInstruction());
}
break;
default:
JS_NOT_REACHED("Invalid array type");
break;
}
if (value != store->value())
ins->replaceOperand(2, value);
return true;
}
