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Optimize __sync_lock_release #100

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jbush001 opened this issue Feb 22, 2018 · 0 comments
Open

Optimize __sync_lock_release #100

jbush001 opened this issue Feb 22, 2018 · 0 comments
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minor performance

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@jbush001
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Currently, this is set to expand in NyuziISelLowering. This converts it to an atomic swap, which isn't necessary. Should simplify it to a store/membar.
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