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 Received: from phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6D7FED1F9CD for ; Thu, 4 Dec 2025 11:54:37 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id E066B8401A; Thu, 4 Dec 2025 12:54:35 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=fail (p=reject dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de Received: by phobos.denx.de (Postfix, from userid 109) id 23DAC84027; Thu, 4 Dec 2025 12:54:35 +0100 (CET) Received: from Atcsqr.andestech.com (60-248-80-70.hinet-ip.hinet.net [60.248.80.70]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by phobos.denx.de (Postfix) with ESMTPS id C765683A84 for ; Thu, 4 Dec 2025 12:54:30 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=fail (p=reject dis=none) header.from=andestech.com Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=ycliang@andestech.com Received: from mail.andestech.com (ATCPCS34.andestech.com [10.0.1.134]) by Atcsqr.andestech.com with ESMTPS id 5B4BrQB9065775 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=OK); Thu, 4 Dec 2025 19:53:26 +0800 (+08) (envelope-from ycliang@andestech.com) Received: from swlinux02 (10.0.15.183) by ATCPCS34.andestech.com (10.0.1.134) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Thu, 4 Dec 2025 19:53:26 +0800 Date: Thu, 4 Dec 2025 19:53:22 +0800 From: Leo Liang To: Heinrich Schuchardt CC: Rick Chen , Yao Zi , E Shattow , Hal Feng , Mayuresh Chitale , Minda Chen , , Heinrich Schuchardt Subject: Re: [PATCH 1/2] RISC-V: implement private GCC library Message-ID: References: <20251201174705.652626-1-zfsdt@canonical.com> <20251201174705.652626-2-zfsdt@canonical.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20251201174705.652626-2-zfsdt@canonical.com> User-Agent: Mutt/2.2.10 (e0e92c31) (2023-03-25) X-Originating-IP: [10.0.15.183] X-ClientProxiedBy: ATCPCS33.andestech.com (10.0.1.100) To ATCPCS34.andestech.com (10.0.1.134) X-DKIM-Results: atcpcs34.andestech.com; dkim=none; X-DNSRBL: X-MAIL: Atcsqr.andestech.com 5B4BrQB9065775 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean On Mon, Dec 01, 2025 at 06:47:04PM +0100, Heinrich Schuchardt wrote: > [EXTERNAL MAIL] > > From: Heinrich Schuchardt > > The following functions are provided: > > Count leading zero bits > > * int __clzsi2 (unsigned int a) > * int __clzdi2 (unsigned long a) > * int __clzti2 (unsigned long long a) > > Count trailing zero bits > > * int __ctzsi2 (unsigned int a) > * int __ctzdi2 (unsigned long a) > * int __ctzti2 (unsigned long long a) > > Signed-off-by: Heinrich Schuchardt > Signed-off-by: Heinrich Schuchardt > --- > arch/Kconfig | 1 + > arch/riscv/lib/Makefile | 2 + > arch/riscv/lib/clz.c | 105 ++++++++++++++++++++++++++++++++++++++++ > arch/riscv/lib/ctz.c | 95 ++++++++++++++++++++++++++++++++++++ > lib/Kconfig | 2 +- > 5 files changed, 204 insertions(+), 1 deletion(-) > create mode 100644 arch/riscv/lib/clz.c > create mode 100644 arch/riscv/lib/ctz.c Reviewed-by: Leo Yu-Chi Liang