From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 20380 invoked by alias); 13 Feb 2014 23:57:03 -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 20370 invoked by uid 89); 13 Feb 2014 23:57:02 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-3.1 required=5.0 tests=AWL,BAYES_00,BODY_URI_ONLY,RCVD_IN_DNSWL_LOW,RP_MATCHES_RCVD,SPF_PASS autolearn=ham version=3.3.2 X-HELO: mail-ig0-f174.google.com Received: from mail-ig0-f174.google.com (HELO mail-ig0-f174.google.com) (209.85.213.174) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-SHA encrypted) ESMTPS; Thu, 13 Feb 2014 23:57:01 +0000 Received: by mail-ig0-f174.google.com with SMTP id hl1so14035988igb.1 for ; Thu, 13 Feb 2014 15:56:59 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc:content-type; bh=iCmDl8KOoGrZmwgsEEKFMqQUN9x3+A/mlyCjvsAs4sE=; b=VGK8o//VLEW60YioK6KBsPJyOfX22BLdxPoEssQGGM4k6Byl1gnPJ5wGYH66ufDwSu mSkeEofZpAbsGATnhUAp0VBfWaJorE3CmehlLLMxv8JQAuCrzRp8AQ0Atl1BO5PGlB9O qbACsD2kJBl/ct3kNTJOc2o1WnlE1SspUqUEZxJq+PDRwJi+T6gfWg2V9739clJbhWoR NZ9rHioGDxWSaZopuwNu/M3uTFcFktgoRu3u3810AAmlaM0g0eD5LQmXIYMIXza/E3qS 2mAEiccqb7tTQSKYVXFtGVo1oXvuiz1JchGhB109teDjgPujXJP2M7v80l26ejix1REY 2VRg== X-Gm-Message-State: ALoCoQltANuSfycjljUVd4iotNl5mqikHxYqQisRhE2hcxvat4ji7wqIiYUgIMuJbZzxgewPNq+ZhOyNCCAnA4zou3LMaO9dhtj2kS/8x9aiOxU3rSAjwrGoDhgqbxGwk5dFtTzlh4e/Pg/j51mIBVaLLszp2Q+9pu+0HWa9cxfnd69yidntv+CFtHAsxqrruq2+IQKA01JZahHc5ilscYuuk352Ne21Fg== X-Received: by 10.50.23.108 with SMTP id l12mr6412522igf.46.1392335819561; Thu, 13 Feb 2014 15:56:59 -0800 (PST) MIME-Version: 1.0 Received: by 10.64.240.3 with HTTP; Thu, 13 Feb 2014 15:56:39 -0800 (PST) In-Reply-To: References: From: Roland McGrath Date: Thu, 13 Feb 2014 23:57:00 -0000 Message-ID: Subject: Re: [PATCH] x86: Use ud2 assembly mnemonic when available. To: Andrew Pinski Cc: "gcc-patches@gcc.gnu.org" Content-Type: text/plain; charset=UTF-8 X-SW-Source: 2014-02/txt/msg00871.txt.bz2 Did you read the patch? It uses an empirical configure check to discover if the assembler does in fact support ud2.