https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878
--- Comment #43 from admin_public at liblfds dot org ---
> I tested CMPXCHG16B with inline assembly on an i7-1165G7 (Dell XPS 13 9305)
> and it turned out to be much slower than CMPXCHG, even slower than a pair of
> calls to `pthread_mutex_lock(
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80878
--- Comment #40 from admin_public at liblfds dot org ---
On 03/11/2022 12:04, jakub at gcc dot gnu.org wrote:
> --- Comment #38 from Jakub Jelinek ---
> Please see PR104688 . We got a response from Intel, where they guaranteed
> atomicity of cer