From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-x241.google.com (mail-pa0-x241.google.com [IPv6:2607:f8b0:400e:c03::241]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3qXnRj2MDjzDq5j for ; Sun, 27 Mar 2016 17:38:25 +1100 (AEDT) Received: by mail-pa0-x241.google.com with SMTP id 1so11379831pal.3 for ; Sat, 26 Mar 2016 23:38:25 -0700 (PDT) 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 MIME-Version: 1.0 In-Reply-To: <1458788612-4367-1-git-send-email-zhaoxiu.zeng@gmail.com> Content-Type: text/plain; charset=gbk List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , 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