[cfe-dev] [LLVMdev] [Proposal] function attribute to reduce emission of vzeroupper instructions

Rafael EspĂ­ndola rafael.espindola at gmail.com
Thu Dec 19 12:55:46 PST 2013

> Maybe a target-specific attribute instead?  It would still apply to all CCs,
> but would never be dropped.

That would work too, yes. I proposed metadata because it looks like it
can be dropped, but that is not a big issue. I would be OK with an
attribute too if that is more convenient or we want to make sure it is


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