--- a/hotspot/src/share/vm/opto/memnode.cpp Mon Jan 11 14:23:35 2016 +0100
+++ b/hotspot/src/share/vm/opto/memnode.cpp Tue Jan 12 09:19:09 2016 +0100
@@ -3850,7 +3850,7 @@
bool do_zeroing = true; // we might give up if inits are very sparse
int big_init_gaps = 0; // how many large gaps have we seen?
- if (ZeroTLAB) do_zeroing = false;
+ if (UseTLAB && ZeroTLAB) do_zeroing = false;
if (!ReduceFieldZeroing && !ReduceBulkZeroing) do_zeroing = false;
for (uint i = InitializeNode::RawStores, limit = req(); i < limit; i++) {
@@ -3951,7 +3951,7 @@
remove_extra_zeroes(); // clear out all the zmems left over
add_req(inits);
- if (!ZeroTLAB) {
+ if (!(UseTLAB && ZeroTLAB)) {
// If anything remains to be zeroed, zero it all now.
zeroes_done = align_size_down(zeroes_done, BytesPerInt);
// if it is the last unused 4 bytes of an instance, forget about it