Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754142AbcC0Gia (ORCPT ); Sun, 27 Mar 2016 02:38:30 -0400 Received: from mail-pa0-f66.google.com ([209.85.220.66]:36080 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751918AbcC0GiW (ORCPT ); Sun, 27 Mar 2016 02:38:22 -0400 Subject: [PATCH 09/31] Add powerpc-specific parity functions References: <1458788612-4367-1-git-send-email-zhaoxiu.zeng@gmail.com> Cc: linux-kernel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Torsten Duwe , Scott Wood , Anton Blanchard , Christophe Leroy From: "zhaoxiu.zeng" Message-ID: <56F77FBA.1090304@gmail.com> Date: Sun, 27 Mar 2016 14:37:46 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1 MIME-Version: 1.0 In-Reply-To: <1458788612-4367-1-git-send-email-zhaoxiu.zeng@gmail.com> Content-Type: text/plain; charset=gbk Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1061 Lines: 29 From: Zeng Zhaoxiu Signed-off-by: Zeng Zhaoxiu --- arch/powerpc/include/asm/bitops.h | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h index 59abc62..90ee0f2 100644 --- a/arch/powerpc/include/asm/bitops.h +++ b/arch/powerpc/include/asm/bitops.h @@ -269,8 +269,15 @@ unsigned int __arch_hweight16(unsigned int w); unsigned int __arch_hweight32(unsigned int w); unsigned long __arch_hweight64(__u64 w); #include +#define __arch_parity4(w) (__arch_hweight8((w) & 0xf) & 1) +#define __arch_parity8(w) (__arch_hweight8(w) & 1) +#define __arch_parity16(w) (__arch_hweight16(w) & 1) +#define __arch_parity32(w) (__arch_hweight32(w) & 1) +#define __arch_parity64(w) ((unsigned int)__arch_hweight64(w) & 1) +#include #else #include +#include #endif #include -- 2.5.5