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[Bug libgomp/79784] Synchronization overhead is thrashing on Aarch64


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79784

--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Wfe kinda works. But yield might be better.  Though one most implementions
yield is just a nop.  Even on the (4thread/core) hyperthread CN99xx, it is a
nop.

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