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8293547: Add relaxed add_and_fetch for macos aarch64 atomics

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Reviewed-by: dholmes, eosterlund
(cherry picked from commit 7a1cb64bc1)
This commit is contained in:
Stefan Karlsson
2023-05-08 07:54:08 +00:00
committed by Vitaly Provodin
parent e8f9e711ae
commit 02c0d4bb6d
1 changed files with 7 additions and 3 deletions
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10
src/hotspot/os_cpu/bsd_aarch64/atomic_bsd_aarch64.hpp
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@@ -37,9 +37,13 @@ template<size_t byte_size>
struct Atomic::PlatformAdd {
template<typename D, typename I>
D add_and_fetch(D volatile* dest, I add_value, atomic_memory_order order) const {
D res = __atomic_add_fetch(dest, add_value, __ATOMIC_RELEASE);
FULL_MEM_BARRIER;
return res;
if (order == memory_order_relaxed) {
return __atomic_add_fetch(dest, add_value, __ATOMIC_RELAXED);
} else {
D res = __atomic_add_fetch(dest, add_value, __ATOMIC_RELEASE);
FULL_MEM_BARRIER;
return res;
}
}
template<typename D, typename I>