From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752362AbcEQLXX (ORCPT ); Tue, 17 May 2016 07:23:23 -0400 Received: from merlin.infradead.org ([205.233.59.134]:36882 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750792AbcEQLXW (ORCPT ); Tue, 17 May 2016 07:23:22 -0400 Date: Tue, 17 May 2016 13:22:59 +0200 From: Peter Zijlstra To: "H. Peter Anvin" Cc: Zhaoxiu Zeng , linux-kernel@vger.kernel.org, bp@suse.de, gnomes@lxorguk.ukuu.org.uk, andi@firstfloor.org, dvyukov@google.com, Zhaoxiu Zeng , Thomas Gleixner , Ingo Molnar , x86@kernel.org, Denys Vlasenko Subject: Re: [patch V4 09/31] bitops: Add x86-specific parity functions Message-ID: <20160517112259.GY3193@twins.programming.kicks-ass.net> References: <1462955158-28394-1-git-send-email-zengzhaoxiu@163.com> <1462958205-24890-1-git-send-email-zengzhaoxiu@163.com> <20160511093139.GA3206@twins.programming.kicks-ass.net> <08232c92-c3ab-9f3e-7c04-a815b04993db@163.com> <20160516170608.GV3192@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2012-12-30) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, May 16, 2016 at 12:22:05PM -0700, H. Peter Anvin wrote: > On May 16, 2016 10:06:08 AM PDT, Peter Zijlstra wrote: > >blergh; GCC does indeed make a mess of that. It looks we'll need the > >cc-output stuff for this in order for GCC to generates sane code for > >that :/ > > For what it's worth, I have a patchset for cc out just about ready to post. It is in gcc 6.1. Nice, looking fwd to play with that. Thanks!