git: openjdk/jdk21u-dev: master: 8316961: Fallback implementations for 64-bit Atomic::{add,xchg} on 32-bit platforms

[Aleksey Shipilev]

Changeset: 4d62dfa3
Author:    Aleksey Shipilev <shade at openjdk.org>
Date:      2024-02-07 07:44:27 +0000
URL:       https://git.openjdk.org/jdk21u-dev/commit/4d62dfa318e590c93905ff39439cb0b7c62238e0

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

Backport-of: ba7d08b8199172058bd369d880d2d6a9f9649319

! 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