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8202083: Remove explicit CMS checks in CardTableBarrierSet

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Reviewed-by: kbarrett
This commit is contained in:
Erik Österlund 2018-05-07 10:36:38 +02:00
parent 71a38a4720
commit 983911c697
1 changed files with 2 additions and 3 deletions

5
src/hotspot/share/gc/shared/cardTableBarrierSet.inline.hpp

@ -32,9 +32,8 @@
template <DecoratorSet decorators, typename T>
inline void CardTableBarrierSet::write_ref_field_post(T* field, oop newVal) {
volatile jbyte* byte = _card_table->byte_for(field);
if (UseConcMarkSweepGC) {
// Perform a releasing store if using CMS so that it may
// scan and clear the cards concurrently during pre-cleaning.
if (_card_table->scanned_concurrently()) {
// Perform a releasing store if the card table is scanned concurrently
OrderAccess::release_store(byte, CardTable::dirty_card_val());
} else {
*byte = CardTable::dirty_card_val();