From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1039) id 78FBB3857814; Thu, 21 Oct 2021 19:09:45 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 78FBB3857814 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: H.J. Lu To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-4619] x86: Document -fcf-protection requires i686 or newer X-Act-Checkin: gcc X-Git-Author: H.J. Lu X-Git-Refname: refs/heads/master X-Git-Oldrev: 6aceeb3fb64b0e82fc3301026669062797ec01a5 X-Git-Newrev: 1373066a46d8d47abd97e46a005aef3b3dbfe94a Message-Id: <20211021190945.78FBB3857814@sourceware.org> Date: Thu, 21 Oct 2021 19:09:45 +0000 (GMT) X-BeenThere: gcc-cvs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 21 Oct 2021 19:09:45 -0000 https://gcc.gnu.org/g:1373066a46d8d47abd97e46a005aef3b3dbfe94a commit r12-4619-g1373066a46d8d47abd97e46a005aef3b3dbfe94a Author: H.J. Lu Date: Thu Oct 21 09:45:14 2021 -0700 x86: Document -fcf-protection requires i686 or newer PR target/98667 * doc/invoke.texi: Document -fcf-protection requires i686 or new. Diff: --- gcc/doc/invoke.texi | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index c66a25fcd69..71992b8c597 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -15542,7 +15542,8 @@ which functions and calls should be skipped from instrumentation (@pxref{Function Attributes}). Currently the x86 GNU/Linux target provides an implementation based -on Intel Control-flow Enforcement Technology (CET). +on Intel Control-flow Enforcement Technology (CET) which works for +i686 processor or newer. @item -fstack-protector @opindex fstack-protector