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cat <<EOF static __always_inline bool ${arch}${atomic}_try_cmpxchg${order}(${atomic}_t *v, ${int} *old, ${int} new) { ${int} r, o = *old; r = ${arch}${atomic}_cmpxchg${order}(v, o, new); if (unlikely(r != o)) *old = r; return likely(r == o); } EOF