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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