From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 376301C14 for ; Sun, 28 Apr 2024 22:00:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714341635; cv=none; b=QtsFgQEIxl7XNUu666ETpmpVN9U/L6y4UfTyrofHJ34fGxo7u8VYKBLlII/aXkW2ktyou86SAAMCoG0O9WoGISxfqUVKBCMUyBDQfZXJh6uYtSJbTh2br7CqUA+qz97rK2Ds37ct84bKTyrRyfYHyoHlT4wu4o+DYNfCX4/O+Ns= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714341635; c=relaxed/simple; bh=i0lgj4Gi4l7oqdJ7DvxdlIR0OkstYyRvXjI4yj9zdRo=; h=Content-Type:MIME-Version:Subject:From:Message-Id:Date:References: In-Reply-To:To:Cc; b=EYsfN8sONAZmS4pmb5KoJz5vidQ5mbdDDMlYNjPVbmKcVAU2kkukWTqb38WiokU7oX5DCkwK+gRV8Td4KJouY/6nTIxAuo3Vy2B95aZzQc26cZ9hyDw3xjBeDw0MnxfNuJwy1r80RDOF7Vi2MbcZ1/gEs198Elp3vHMRdtKaJho= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HFePvE/R; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="HFePvE/R" Received: by smtp.kernel.org (Postfix) with ESMTPS id E4C54C4AF1D; Sun, 28 Apr 2024 22:00:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714341635; bh=i0lgj4Gi4l7oqdJ7DvxdlIR0OkstYyRvXjI4yj9zdRo=; h=Subject:From:Date:References:In-Reply-To:To:Cc:From; b=HFePvE/RtKH5Z6L5x9jhbEi8evaKNPLoBTsa4exJ6iHJHGMnIZa9Gs12Blr+04Zfa AUMZQ+KhknlXyFoc9+0tIAK1det3byxvh3G283lbaVWw2El3zKRJc9AX2WtPsarDjk Mg1cwWrbFaDANMRPXIpl/ufu9auK1/3B2+UphJtOYd9YsXPTKJN3ESD7AWtVZXF4xh 9j1ZeLhUJ2WNmjdDNN5KnLdOBxXhR654ga6RFGbkucalf8FTOXgtu/DG7FZCmTIjJb EoTBKGhc9fTs0GgYcZEOrM/dsM/y/A+R8YgMKDPQR15ePzjs7uHxhe21/ObDkWmaGg yf0oHbOXpbrhQ== Received: from aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (localhost.localdomain [127.0.0.1]) by aws-us-west-2-korg-oddjob-1.ci.codeaurora.org (Postfix) with ESMTP id D7432C4167D; Sun, 28 Apr 2024 22:00:34 +0000 (UTC) Content-Type: text/plain; charset="utf-8" Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [PATCH v3 RESEND] riscv: select ARCH_HAS_FAST_MULTIPLIER From: patchwork-bot+linux-riscv@kernel.org Message-Id: <171434163487.22130.12031747809558123919.git-patchwork-notify@kernel.org> Date: Sun, 28 Apr 2024 22:00:34 +0000 References: <20240325105823.1483-1-jszhang@kernel.org> In-Reply-To: <20240325105823.1483-1-jszhang@kernel.org> To: Jisheng Zhang Cc: linux-riscv@lists.infradead.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, linux-kernel@vger.kernel.org, samuel.holland@sifive.com, alexghiti@rivosinc.com Hello: This patch was applied to riscv/linux.git (for-next) by Palmer Dabbelt : On Mon, 25 Mar 2024 18:58:23 +0800 you wrote: > Currently, riscv linux requires at least IMA, so all platforms have a > multiplier. And I assume the 'mul' efficiency is comparable or better > than a sequence of five or so register-dependent arithmetic > instructions. Select ARCH_HAS_FAST_MULTIPLIER to get slightly nicer > codegen. Refer to commit f9b4192923fa ("[PATCH] bitops: hweight() > speedup") for more details. > > [...] Here is the summary with links: - [v3,RESEND] riscv: select ARCH_HAS_FAST_MULTIPLIER https://git.kernel.org/riscv/c/0a16a1728790 You are awesome, thank you! -- Deet-doot-dot, I am a bot. https://korg.docs.kernel.org/patchwork/pwbot.html