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src/hotspot/share/opto/graphKit.cpp
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@@ -1513,20 +1513,25 @@
Node* GraphKit::store_to_memory(Node* ctl, Node* adr, Node *val, BasicType bt,
int adr_idx,
MemNode::MemOrd mo,
bool require_atomic_access,
bool unaligned,
- bool mismatched) {
+ bool mismatched,
+ int storeZ) {
assert(adr_idx != Compile::AliasIdxTop, "use other store_to_memory factory" );
const TypePtr* adr_type = NULL;
debug_only(adr_type = C->get_adr_type(adr_idx));
Node *mem = memory(adr_idx);
Node* st;
if (require_atomic_access && bt == T_LONG) {
st = StoreLNode::make_atomic(ctl, mem, adr, adr_type, val, mo);
} else if (require_atomic_access && bt == T_DOUBLE) {
st = StoreDNode::make_atomic(ctl, mem, adr, adr_type, val, mo);
+ } else if (bt == T_BYTE && storeZ == 0) {
+ st = new StoreZ0Node(ctl, mem, adr, adr_type, val, mo);
+ } else if (bt == T_BYTE && storeZ == 1) {
+ st = new StoreZ1Node(ctl, mem, adr, adr_type, val, mo);
} else {
st = StoreNode::make(_gvn, ctl, mem, adr, adr_type, val, bt, mo);
}
if (unaligned) {
st->as_Store()->set_unaligned_access();
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