https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90606
Ruslan Nikolaev <nruslan_devel at yahoo dot com> changed:
What |Removed |Added
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CC| |nruslan_devel at yahoo dot com
--- Comment #1 from Ruslan Nikolaev <nruslan_devel at yahoo dot com> ---
Yes, mfence is twice as slower on my machine as well. Btw, clang generates xchg
for the same code.
