On 11/20/18 12:40 PM, Uros Bizjak wrote:
> Hello!
>
> Attached patch is a different approach to the problem of split return
> copies in create_pre_exit. It turns out that for vzeroupper insertion
> pass, we actually don't need to insert a mode switch before the return
> copy, it is enough to split
Hello!
Attached patch is a different approach to the problem of split return
copies in create_pre_exit. It turns out that for vzeroupper insertion
pass, we actually don't need to insert a mode switch before the return
copy, it is enough to split edge to exit block - so we can emit
vzeroupper at th