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

From: Jessica Clarke <jrtc27_at_freebsd.org>
Date: Sat, 23 Oct 2021 00:26:49 UTC 
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

Jess