Date: Sat, 23 Oct 2021 04:10:17 +0300 From: Konstantin Belousov <kostikbel@gmail.com> To: Jessica Clarke <jrtc27@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "dev-commits-src-all@freebsd.org" <dev-commits-src-all@freebsd.org>, "dev-commits-src-main@freebsd.org" <dev-commits-src-main@freebsd.org> Subject: Re: git: 362c6d8dec6d - main - nehemiah: manually assemble xstore(-rng) Message-ID: <YXNg%2BbECSTkKeS0u@kib.kiev.ua> In-Reply-To: <FEB6527B-EA0A-4351-AB2E-CA1E67F71CCE@freebsd.org> References: <202110222331.19MNVYlE018013@gitrepo.freebsd.org> <FEB6527B-EA0A-4351-AB2E-CA1E67F71CCE@freebsd.org>
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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.
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