[aarch64-port-dev ] git: openjdk/aarch64-port: master: 8274615: Support relaxed atomic add for linux-aarch64

[Kim Barrett]

Changeset: 8de26361
Author:    Kim Barrett <kbarrett at openjdk.org>
Date:      2021-10-12 09:40:35 +0000
URL:       https://git.openjdk.java.net/aarch64-port/commit/8de26361f7d789c7b317536198c891756038a8ea

8274615: Support relaxed atomic add for linux-aarch64

Reviewed-by: aph, dholmes

! src/hotspot/cpu/aarch64/atomic_aarch64.hpp
! src/hotspot/cpu/aarch64/stubGenerator_aarch64.cpp
! src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.S
! src/hotspot/os_cpu/linux_aarch64/atomic_linux_aarch64.hpp