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6818666: G1: Type lost in g1 pre-barrier

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Reviewed-by: kvn
This commit is contained in:
Tom Rodriguez 2009-06-26 13:03:29 -07:00
parent a9ad90fa87
commit 3bdd70fe18
5 changed files with 36 additions and 21 deletions
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33
hotspot/src/share/vm/opto/graphKit.cpp
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@ -1378,7 +1378,7 @@ void GraphKit::pre_barrier(Node* ctl,
Node* adr,
uint adr_idx,
Node *val,
const Type* val_type,
const TypeOopPtr* val_type,
BasicType bt) {
BarrierSet* bs = Universe::heap()->barrier_set();
set_control(ctl);
@ -1436,7 +1436,7 @@ Node* GraphKit::store_oop_to_object(Node* ctl,
Node* adr,
const TypePtr* adr_type,
Node *val,
const Type* val_type,
const TypeOopPtr* val_type,
BasicType bt) {
uint adr_idx = C->get_alias_index(adr_type);
Node* store;
@ -1451,7 +1451,7 @@ Node* GraphKit::store_oop_to_array(Node* ctl,
Node* adr,
const TypePtr* adr_type,
Node *val,
const Type* val_type,
const TypeOopPtr* val_type,
BasicType bt) {
uint adr_idx = C->get_alias_index(adr_type);
Node* store;
@ -1466,12 +1466,29 @@ Node* GraphKit::store_oop_to_unknown(Node* ctl,
Node* adr,
const TypePtr* adr_type,
Node *val,
const Type* val_type,
BasicType bt) {
uint adr_idx = C->get_alias_index(adr_type);
Node* store;
Compile::AliasType* at = C->alias_type(adr_type);
const TypeOopPtr* val_type = NULL;
if (adr_type->isa_instptr()) {
if (at->field() != NULL) {
// known field. This code is a copy of the do_put_xxx logic.
ciField* field = at->field();
if (!field->type()->is_loaded()) {
val_type = TypeInstPtr::BOTTOM;
} else {
val_type = TypeOopPtr::make_from_klass(field->type()->as_klass());
}
}
} else if (adr_type->isa_aryptr()) {
val_type = adr_type->is_aryptr()->elem()->isa_oopptr();
}
if (val_type == NULL) {
val_type = TypeInstPtr::BOTTOM;
}
uint adr_idx = at->index();
pre_barrier(ctl, obj, adr, adr_idx, val, val_type, bt);
store = store_to_memory(control(), adr, val, bt, adr_idx);
Node* store = store_to_memory(control(), adr, val, bt, adr_idx);
post_barrier(control(), store, obj, adr, adr_idx, val, bt, true);
return store;
}
@ -3202,7 +3219,7 @@ void GraphKit::g1_write_barrier_pre(Node* obj,
Node* adr,
uint alias_idx,
Node* val,
const Type* val_type,
const TypeOopPtr* val_type,
BasicType bt) {
IdealKit ideal(gvn(), control(), merged_memory(), true);
#define __ ideal.