Re: git: 362c6d8dec6d - main - nehemiah: manually assemble xstore(-rng)

From: Konstantin Belousov <kostikbel_at_gmail.com>
Date: Sat, 23 Oct 2021 01:10:17 UTC 
On Sat, Oct 23, 2021 at 01:26:49AM +0100, Jessica Clarke wrote:
> On 23 Oct 2021, at 00:31, Konstantin Belousov <kib@FreeBSD.org> wrote:
> > 
> > The branch main has been updated by kib:
> > 
> > URL: https://cgit.FreeBSD.org/src/commit/?id=362c6d8dec6dfbedc5717e45769042279a1dd3df
> > 
> > commit 362c6d8dec6dfbedc5717e45769042279a1dd3df
> > Author:     Konstantin Belousov <kib@FreeBSD.org>
> > AuthorDate: 2021-10-20 22:42:05 +0000
> > Commit:     Konstantin Belousov <kib@FreeBSD.org>
> > CommitDate: 2021-10-22 23:31:16 +0000
> > 
> >    nehemiah: manually assemble xstore(-rng)
> > 
> >    It seems that clang IAS erronously adds repz prefix which should not be
> >    there.  Cpu would try to store around %ecx bytes of random, while we
> >    only expect a word.
> 
> FYI: https://reviews.llvm.org/D112355
Thanks.

Feel free to revert this commit after llvm in tree is fixed.