git: openjdk/jdk: 8316961: Fallback implementations for 64-bit Atomic::{add,xchg} on 32-bit platforms

[Aleksey Shipilev]

Changeset: ba7d08b8
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2023-10-25 08:29:58 +0000
URL:       https://git.openjdk.org/jdk/commit/ba7d08b8199172058bd369d880d2d6a9f9649319

8316961: Fallback implementations for 64-bit Atomic::{add,xchg} on 32-bit platforms

Reviewed-by: eosterlund, dholmes, kbarrett, simonis

! src/hotspot/os_cpu/bsd_x86/atomic_bsd_x86.hpp
! src/hotspot/os_cpu/linux_arm/atomic_linux_arm.hpp
! src/hotspot/os_cpu/linux_x86/atomic_linux_x86.hpp
! src/hotspot/share/runtime/atomic.hpp
! test/hotspot/gtest/runtime/test_atomic.cpp