I've recently been checking the Intel CPUs that I have access to. None of them (they're all Xeons) have the MOVDIRI or MOVDIR64b instructions, which are store instructions that bypass the caches. Are there any CPUs that do have them? I also wonder why they were introduced if the non-temporal hint has a similar effect.
What x86 CPUs, if any, still have MOVDIRI or MOVDIR64b instructions?
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