--- a/src/hotspot/share/gc/g1/c2/g1BarrierSetC2.cpp Fri Jun 15 13:08:32 2018 -0700
+++ b/src/hotspot/share/gc/g1/c2/g1BarrierSetC2.cpp Fri Jun 15 16:53:58 2018 -0400
@@ -601,10 +601,10 @@
bool mismatched = (decorators & C2_MISMATCHED) != 0;
bool unknown = (decorators & ON_UNKNOWN_OOP_REF) != 0;
- bool on_heap = (decorators & IN_HEAP) != 0;
+ bool in_heap = (decorators & IN_HEAP) != 0;
bool on_weak = (decorators & ON_WEAK_OOP_REF) != 0;
bool is_unordered = (decorators & MO_UNORDERED) != 0;
- bool need_cpu_mem_bar = !is_unordered || mismatched || !on_heap;
+ bool need_cpu_mem_bar = !is_unordered || mismatched || !in_heap;
Node* offset = adr->is_AddP() ? adr->in(AddPNode::Offset) : kit->top();
Node* load = CardTableBarrierSetC2::load_at_resolved(access, val_type);
@@ -615,7 +615,7 @@
// SATB log buffer using the pre-barrier mechanism.
// Also we need to add memory barrier to prevent commoning reads
// from this field across safepoint since GC can change its value.
- bool need_read_barrier = on_heap && (on_weak ||
+ bool need_read_barrier = in_heap && (on_weak ||
(unknown && offset != kit->top() && obj != kit->top()));
if (!access.is_oop() || !need_read_barrier) {