[PATCH 4/4] x86: MONITOR/MWAIT are not SSE3 insns

Jan Beulich jbeulich@suse.com
Mon Feb 13 08:08:58 GMT 2023


On 10.02.2023 18:02, H.J. Lu wrote:
> Since they used to be in SSE3, should they be also allowed with SSE3?

In order to answer the question, can you please clarify what you mean
by "used to be in SSE3"? I'm not aware of a spec ever marking them as
SSE3 insns. And not allowing their use in e.g. generic32+sse3 is one
of the purposes of this change, because that was simply wrong.

Jan


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