From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 108887 invoked by alias); 21 May 2015 17:57:22 -0000 Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-patches-owner@gcc.gnu.org Received: (qmail 107996 invoked by uid 89); 21 May 2015 17:57:21 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-0.4 required=5.0 tests=AWL,BAYES_50,SPF_PASS,T_RP_MATCHES_RCVD autolearn=ham version=3.3.2 X-HELO: fencepost.gnu.org Received: from fencepost.gnu.org (HELO fencepost.gnu.org) (208.118.235.10) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES256-SHA encrypted) ESMTPS; Thu, 21 May 2015 17:57:20 +0000 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39159) by fencepost.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1YvUic-0008Hn-7T for gcc-patches@gnu.org; Thu, 21 May 2015 13:57:18 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YvUiY-0001Zu-Cf for gcc-patches@gnu.org; Thu, 21 May 2015 13:57:17 -0400 Received: from eu-smtp-delivery-143.mimecast.com ([207.82.80.143]:38186) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YvUiY-0001Z2-3F for gcc-patches@gnu.org; Thu, 21 May 2015 13:57:14 -0400 Received: from cam-owa1.Emea.Arm.com (fw-tnat.cambridge.arm.com [217.140.96.140]) by uk-mta-16.uk.mimecast.lan; Thu, 21 May 2015 18:57:12 +0100 Received: from e104437-lin ([10.1.2.79]) by cam-owa1.Emea.Arm.com with Microsoft SMTPSVC(6.0.3790.3959); Thu, 21 May 2015 18:57:12 +0100 References: From: Jiong Wang To: gcc-patches Subject: Re: [AArch64][TLSLE][4/N] Recognize -mtls-size Date: Thu, 21 May 2015 18:14:00 -0000 In-reply-to: Message-ID: MIME-Version: 1.0 X-MC-Unique: Xvo48r0-TzWppj1eQ5p89w-1 Content-Type: text/plain; charset=WINDOWS-1252 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x X-Received-From: 207.82.80.143 X-SW-Source: 2015-05/txt/msg02016.txt.bz2 Jiong Wang writes: > This patch add -mtls-size option for AArch64. This option let user to do > finer control on code generation for various TLS model on AArch64. > > For example, for TLS LE, user can specify smaller tls-size, for example > 4K which is quite usual, to let AArch64 backend generate more efficient > instruction sequences. > > Currently, -mtls-size accept all integer, then will translate it into > 12(4K), 24(16M), 32(4G), 48(256TB) based on the value. > > no functional change. > > ok for trunk? > > 2015-05-20 Jiong Wang > > gcc/ > * config/aarch64/aarch64.opt (mtls-size): New entry. > * config/aarch64/aarch64.c (initialize_aarch64_tls_size): New function. > * doc/invoke.texi (AArch64 Options): Document -mtls-size. Rename summary from "5/N" to "4/N". The fourth patch was a binutils patch at: https://sourceware.org/ml/binutils/2015-05/msg00181.html =20=20 --=20 Regards, Jiong