From nobody Tue Feb 10 10:54:55 2026 Received: from todd.t-8ch.de (todd.t-8ch.de [159.69.126.157]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD544194AC7 for ; Mon, 12 Aug 2024 20:50:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.69.126.157 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723495830; cv=none; b=Eh/nudL6/vtcvnmVISi9nis8StqJ/WUvU+V4L3xoMAUFI8+qoh5hezn/hl1CRrQt0iMBT7zmUfzHery3eaYUJOPvZ0WhYKgfIX/ou+dFy6ZK8kZtDCS8rS/X6fdNV/mwudSU2WVIa0pDVb1Hwx7uvILUm023Ds2fsFSF+7I2T5k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723495830; c=relaxed/simple; bh=2ZLl7537lw7Lz84DM7nmys56YoOvTK7dPF+qlWQ7XOo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=p0DFNiooW/L8VROa3l9IpRARMpgUQUoYsORngM2N0n0eNuECga7dqxW2gu+BTBOZrq4kEcZekvOpb1/4jhTLFdOEpnx3qtZk1v70letz0XAWkGFOBSbU5BlHEHcQSDE6FaQCVLEvK7XKcEYf6PSJMEf0BC+2HqNAG1c/vNE/3l4= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net; spf=pass smtp.mailfrom=weissschuh.net; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b=fmcmtvCY; arc=none smtp.client-ip=159.69.126.157 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=weissschuh.net Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=weissschuh.net header.i=@weissschuh.net header.b="fmcmtvCY" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=weissschuh.net; s=mail; t=1723495825; bh=2ZLl7537lw7Lz84DM7nmys56YoOvTK7dPF+qlWQ7XOo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=fmcmtvCY2wZtZLZ+NfIthQ0wdyxX9CUz2nlO/8ZBG8RfI+2d4ImYyaHrsLBkUiyWR XdNkLi3Eiv1MJW8VnQeXzSnw6AZPB1Rx3LEuDk15IPtGRId0IKokCZwOdo2mlGORb7 7a95JQE/mPjuJ6L3uAQD32A/pSNuFYPk3xHpSn/U= From: =?utf-8?q?Thomas_Wei=C3=9Fschuh?= Date: Mon, 12 Aug 2024 22:50:19 +0200 Subject: [PATCH v2 3/3] tools/nolibc: x86_64: use local label in memcpy/memmove Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20240812-nolibc-lto-v2-3-736af7bbefa8@weissschuh.net> References: <20240812-nolibc-lto-v2-0-736af7bbefa8@weissschuh.net> In-Reply-To: <20240812-nolibc-lto-v2-0-736af7bbefa8@weissschuh.net> To: Willy Tarreau Cc: Ammar Faizi , linux-kernel@vger.kernel.org, =?utf-8?q?Thomas_Wei=C3=9Fschuh?= X-Mailer: b4 0.14.1 X-Developer-Signature: v=1; a=ed25519-sha256; t=1723495824; l=1104; i=linux@weissschuh.net; s=20221212; h=from:subject:message-id; bh=2ZLl7537lw7Lz84DM7nmys56YoOvTK7dPF+qlWQ7XOo=; b=4ZAijgmkXf1uUAE714ImrKHisGPnvNhxxCQ9lMfQApaSk9JKrlMQZhU9Jj3SWQFOfuB/whc1E bTEL+9CeqzvAO28Eh6oIzLKIkh7djcAz0anp+u/FL2egz56a1NVdChK X-Developer-Key: i=linux@weissschuh.net; a=ed25519; pk=KcycQgFPX2wGR5azS7RhpBqedglOZVgRPfdFSPB1LNw= Compiling arch-x86_64.h with clang and binutils LD yields duplicate label errors: .../gcc-13.2.0-nolibc/x86_64-linux/bin/x86_64-linux-ld: error: LLVM gold pl= ugin: :44:1: symbol '.Lbackward_copy' is already defined .Lbackward_copy:leaq -1(%rdi, %rcx, 1), %rdi Instead of a local symbol use a local label which can be defined multiple times and therefore avoids the error. Signed-off-by: Thomas Wei=C3=9Fschuh Reviewed-by: Ammar Faizi --- tools/include/nolibc/arch-x86_64.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tools/include/nolibc/arch-x86_64.h b/tools/include/nolibc/arch= -x86_64.h index 65252c005a30..1e40620a2b33 100644 --- a/tools/include/nolibc/arch-x86_64.h +++ b/tools/include/nolibc/arch-x86_64.h @@ -193,10 +193,10 @@ __asm__ ( "movq %rdi, %rdx\n\t" "subq %rsi, %rdx\n\t" "cmpq %rcx, %rdx\n\t" - "jb .Lbackward_copy\n\t" + "jb 1f\n\t" "rep movsb\n\t" "retq\n" -".Lbackward_copy:" +"1:" /* backward copy */ "leaq -1(%rdi, %rcx, 1), %rdi\n\t" "leaq -1(%rsi, %rcx, 1), %rsi\n\t" "std\n\t" --=20 2.46.0