From nobody Sat Oct 23 01:10:17 2021 X-Original-To: dev-commits-src-main@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id A83F3180E66F; Sat, 23 Oct 2021 01:10:25 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 4HbjnY2LlMz3nYZ; Sat, 23 Oct 2021 01:10:25 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from tom.home (kib@localhost [127.0.0.1]) by kib.kiev.ua (8.16.1/8.16.1) with ESMTPS id 19N1AHTd071267 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Sat, 23 Oct 2021 04:10:20 +0300 (EEST) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.10.3 kib.kiev.ua 19N1AHTd071267 Received: (from kostik@localhost) by tom.home (8.16.1/8.16.1/Submit) id 19N1AHCK071265; Sat, 23 Oct 2021 04:10:17 +0300 (EEST) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Sat, 23 Oct 2021 04:10:17 +0300 From: Konstantin Belousov To: Jessica Clarke Cc: "src-committers@freebsd.org" , "dev-commits-src-all@freebsd.org" , "dev-commits-src-main@freebsd.org" Subject: Re: git: 362c6d8dec6d - main - nehemiah: manually assemble xstore(-rng) Message-ID: References: <202110222331.19MNVYlE018013@gitrepo.freebsd.org> List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-main@freebsd.org X-BeenThere: dev-commits-src-main@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FORGED_GMAIL_RCVD,FREEMAIL_FROM, NML_ADSP_CUSTOM_MED autolearn=no autolearn_force=no version=3.4.5 X-Spam-Checker-Version: SpamAssassin 3.4.5 (2021-03-20) on tom.home X-Rspamd-Queue-Id: 4HbjnY2LlMz3nYZ X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N On Sat, Oct 23, 2021 at 01:26:49AM +0100, Jessica Clarke wrote: > On 23 Oct 2021, at 00:31, Konstantin Belousov wrote: > > > > The branch main has been updated by kib: > > > > URL: https://cgit.FreeBSD.org/src/commit/?id=362c6d8dec6dfbedc5717e45769042279a1dd3df > > > > commit 362c6d8dec6dfbedc5717e45769042279a1dd3df > > Author: Konstantin Belousov > > AuthorDate: 2021-10-20 22:42:05 +0000 > > Commit: Konstantin Belousov > > 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.