Date: Sat, 23 Oct 2021 01:26:49 +0100 From: Jessica Clarke <jrtc27@freebsd.org> To: Konstantin Belousov <kib@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: <FEB6527B-EA0A-4351-AB2E-CA1E67F71CCE@freebsd.org> In-Reply-To: <202110222331.19MNVYlE018013@gitrepo.freebsd.org> References: <202110222331.19MNVYlE018013@gitrepo.freebsd.org>
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On 23 Oct 2021, at 00:31, Konstantin Belousov <kib@FreeBSD.org> wrote: >=20 > The branch main has been updated by kib: >=20 > URL: = https://cgit.FreeBSD.org/src/commit/?id=3D362c6d8dec6dfbedc5717e4576904227= 9a1dd3df >=20 > 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 >=20 > nehemiah: manually assemble xstore(-rng) >=20 > 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
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