518c5cacbcb - platform/libcore

commit: 518c5cacbcba96bc33683cf3779fc8661dd21d6d
[log]
author: Andrew Haley <aph@openjdk.org>
Tue Sep 08 14:08:58 2015 +0100
committer: Andrew Haley <aph@openjdk.org>
Tue Sep 08 14:08:58 2015 +0100
tree: 3df5ff02171ac8912b819b65adaafc65aaabb2f3
parent: e88940fae6146588af9782218b4fad8bbd46681a [diff]

8135157: DMB elimination in AArch64 C2 synchronization implementation

Reduce memory barrier usage in C2 fast lock and unlock.

Co-authored-by: Wei Tang <wei.tang@linaro.org>
Reviewed-by: kvn

hotspot/src/cpu/aarch64/vm/aarch64.ad[diff]
hotspot/src/cpu/aarch64/vm/macroAssembler_aarch64.hpp[diff]

2 files changed

tree: 3df5ff02171ac8912b819b65adaafc65aaabb2f3