On Fri, Dec 8, 2023 at 10:17 AM liuhongt wrote:
>
> If the function desn't clobber any sse registers or only clobber
> 128-bit part, then vzeroupper isn't issued before the function exit.
> the status not CLEAN but ANY after the function.
>
> Also for sibling_call, it's safe to issue an vzeroupper
If the function desn't clobber any sse registers or only clobber
128-bit part, then vzeroupper isn't issued before the function exit.
the status not CLEAN but ANY after the function.
Also for sibling_call, it's safe to issue an vzeroupper. Also there
could be missing vzeroupper since there's no mo