On Sun, May 29, 2016 at 11:10 PM, Uros Bizjak <ubiz...@gmail.com> wrote:
> Attached RFC patch implements this proposal.
>
> 2016-05-29 Uros Bizjak <ubiz...@gmail.com>
>
> * config/i386/sync.md (mfence_nosse): Use "lock orl $0, -4(%esp)".
>
> Patch was bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
>
> Any other opinion on this issue? The linux kernel also implements
> memory fence like the above proposal.
I have committed the patch to mainline SVN.
Uros.
