From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9FA0EC7618B for ; Sun, 28 Jul 2019 11:51:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 69FD020679 for ; Sun, 28 Jul 2019 11:51:52 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="hZlpWLHs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726065AbfG1Lvp (ORCPT ); Sun, 28 Jul 2019 07:51:45 -0400 Received: from mail-wm1-f65.google.com ([209.85.128.65]:51639 "EHLO mail-wm1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725983AbfG1Lvp (ORCPT ); Sun, 28 Jul 2019 07:51:45 -0400 Received: by mail-wm1-f65.google.com with SMTP id 207so51463955wma.1 for ; Sun, 28 Jul 2019 04:51:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:mime-version:content-disposition :user-agent; bh=GZSQr/7XGRdedaNZsaOtEAo1JYrfvhe9geQhL0fqUE4=; b=hZlpWLHsdscUKU9xSQ2wjcGPgu+N1JZi5+/fnp9fGewhBzGlCxA+zJ71aEPp05Blqo smVcJ7BJPqyNp0Eh0O0h/V/T2nsRhl773AEsaDPToInoos8FVB6MWxZbaY2lgPzJ8k+1 Ujp6fc5tnPcpuqThpdJVUBTb/W/b7eRubqoJBaluldpQAZt+J54ceIagI6Jx7b1sZfTJ oRRhJz+DXfGC/EdHVgPpDV/rOI+YlqBWOPl0H/L/RkbzsU/wvM3exsM82N2gmgF1r0lb l0M5JHmV71iIKHEe8iKSWw4H5J8dnaYofmJUO886MVrdiL7eGHV8eZeGFGRZZPM0zp4k kgEA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:mime-version :content-disposition:user-agent; bh=GZSQr/7XGRdedaNZsaOtEAo1JYrfvhe9geQhL0fqUE4=; b=CUtwjobhFO4yw16JEIrcKNByzLAxOHR3i4MOaz1MKNeqNE6F1fYb13qQM2BofUdNu2 6hydwtcHR3VZkTVHbi8iGvzb8CzdAVrSayiNfL8s7zezCst2cbxsZioZYw6sUHmLZl/k fOuQwumdYSMN/teBItAZZ9+Gz0MiRf3+kW3sEF67aPiFRdOUwB/h0aLNQUr8O9wr3Mvm pAVHLk18hpLy8jicCwMo8WwcSwcfiqf31aiO8BlIVuPuGgHX4GfvfT7QvseObwiP5Ay5 1kCWpb6SIwa1tTzdh4cpPilX9TmT8ir2RFhJ+UKsIHh6T0Cs3Hk85Cp6pnP3Hyl0bBWm LqdQ== X-Gm-Message-State: APjAAAUwIx7AZPDPH/NNACli3clNx9l9x2pQ1tfzu6gHwdBnwzl3+m0k ODnaCtsDo4VVq907Ef7hpEwI84A= X-Google-Smtp-Source: APXvYqwuXIK9WA7X20t2L43u9u6LEkWzxvH+BeRteJTIGP2rV2liTetm8w7/6qTINaevDA+zwb05Jw== X-Received: by 2002:a1c:f914:: with SMTP id x20mr16585263wmh.142.1564314703389; Sun, 28 Jul 2019 04:51:43 -0700 (PDT) Received: from avx2 ([46.53.254.41]) by smtp.gmail.com with ESMTPSA id b8sm75875640wmh.46.2019.07.28.04.51.42 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 28 Jul 2019 04:51:42 -0700 (PDT) Date: Sun, 28 Jul 2019 14:51:40 +0300 From: Alexey Dobriyan To: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de, hpa@zytor.com Cc: x86@kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] x86: drop REG_OUT macro from hweight functions Message-ID: <20190728115140.GA32463@avx2> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Output register is always RAX/EAX. Signed-off-by: Alexey Dobriyan --- arch/x86/include/asm/arch_hweight.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) --- a/arch/x86/include/asm/arch_hweight.h +++ b/arch/x86/include/asm/arch_hweight.h @@ -6,10 +6,8 @@ #ifdef CONFIG_64BIT #define REG_IN "D" -#define REG_OUT "a" #else #define REG_IN "a" -#define REG_OUT "a" #endif static __always_inline unsigned int __arch_hweight32(unsigned int w) @@ -17,7 +15,7 @@ static __always_inline unsigned int __arch_hweight32(unsigned int w) unsigned int res; asm (ALTERNATIVE("call __sw_hweight32", "popcntl %1, %0", X86_FEATURE_POPCNT) - : "="REG_OUT (res) + : "=a" (res) : REG_IN (w)); return res; @@ -45,7 +43,7 @@ static __always_inline unsigned long __arch_hweight64(__u64 w) unsigned long res; asm (ALTERNATIVE("call __sw_hweight64", "popcntq %1, %0", X86_FEATURE_POPCNT) - : "="REG_OUT (res) + : "=a" (res) : REG_IN (w)); return res;