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