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8042209: Remove unused function G1SATBCardTableLoggingModRefBS::write_ref_field_static

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Reviewed-by: mgerdin, tschatzl
This commit is contained in:
Per Lidén 2015-11-06 09:46:54 +01:00
parent 4a65cc4f5b
commit 6f81963972
2 changed files with 3 additions and 27 deletions
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15
hotspot/src/share/vm/gc/g1/g1SATBCardTableModRefBS.cpp
View File

@ -188,21 +188,6 @@ G1SATBCardTableLoggingModRefBS::write_ref_field_work(void* field,
}
}
void
G1SATBCardTableLoggingModRefBS::write_ref_field_static(void* field,
oop new_val) {
uintptr_t field_uint = (uintptr_t)field;
uintptr_t new_val_uint = cast_from_oop<uintptr_t>(new_val);
uintptr_t comb = field_uint ^ new_val_uint;
comb = comb >> HeapRegion::LogOfHRGrainBytes;
if (comb == 0) return;
if (new_val == NULL) return;
// Otherwise, log it.
G1SATBCardTableLoggingModRefBS* g1_bs =
barrier_set_cast<G1SATBCardTableLoggingModRefBS>(G1CollectedHeap::heap()->barrier_set());
g1_bs->write_ref_field_work(field, new_val, false);
}
void
G1SATBCardTableLoggingModRefBS::invalidate(MemRegion mr, bool whole_heap) {
volatile jbyte* byte = byte_for(mr.start());

15
hotspot/src/share/vm/gc/g1/g1SATBCardTableModRefBS.hpp
View File

@ -56,21 +56,15 @@ public:
virtual bool has_write_ref_pre_barrier() { return true; }
// This notes that we don't need to access any BarrierSet data
// structures, so this can be called from a static context.
template <class T> static void write_ref_field_pre_static(T* field, oop newVal) {
// We export this to make it available in cases where the static
// type of the barrier set is known. Note that it is non-virtual.
template <class T> inline void inline_write_ref_field_pre(T* field, oop newVal) {
T heap_oop = oopDesc::load_heap_oop(field);
if (!oopDesc::is_null(heap_oop)) {
enqueue(oopDesc::decode_heap_oop(heap_oop));
}
}
// We export this to make it available in cases where the static
// type of the barrier set is known. Note that it is non-virtual.
template <class T> inline void inline_write_ref_field_pre(T* field, oop newVal) {
write_ref_field_pre_static(field, newVal);
}
// These are the more general virtual versions.
virtual void write_ref_field_pre_work(oop* field, oop new_val) {
inline_write_ref_field_pre(field, new_val);
@ -173,9 +167,6 @@ class G1SATBCardTableLoggingModRefBS: public G1SATBCardTableModRefBS {
virtual void resize_covered_region(MemRegion new_region) { ShouldNotReachHere(); }
// Can be called from static contexts.
static void write_ref_field_static(void* field, oop new_val);
// NB: if you do a whole-heap invalidation, the "usual invariant" defined
// above no longer applies.
void invalidate(MemRegion mr, bool whole_heap = false);