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 X-Spam-Level: X-Spam-Status: No, score=-9.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AF939C433DF for ; Thu, 9 Jul 2020 05:19:58 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 8762E2053B for ; Thu, 9 Jul 2020 05:19:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="bJ1ZVpLT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8762E2053B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eswin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:To:From: Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender :Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=M3stwhb3CkcdiSsKB0zH2IiTnZ5FnaSSA3qUapts+J0=; b=bJ1ZVpLTucVA6s/cmbjpA37LCL Z6QcxOXjQuIICAY/dbqa4Xzeu/zPsOXeQa7SdGu3pqvfZRBrYvNJeXz8ABg5meW/u/0HE13wOoOg9 jVy7lyK4VNllD+bzWgxlzJQricsZWl8epC+1V027H3nZdNjRNhWJz8mWpxiJN3cIxG9U6i0Q1Kjkc x0DWOFZ9uY3G4Kt43aseCl8M+jikN79NCAp+VWaRIF9o3zDtIPwNsCYZ+zIrwSuRQMZ7zaaczGF0y ioHL3iifIKLamlpp5kbhP7dOAd8sfQnGOiFBMar0NxeOQjEPdX0phr7pwabwEGcc5VgJzXMd+2NSi r4zn3sWA==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtOyK-0001OS-FI; Thu, 09 Jul 2020 05:19:48 +0000 Received: from out28-51.mail.aliyun.com ([115.124.28.51]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jtOyG-0001Mm-G5 for linux-riscv@lists.infradead.org; Thu, 09 Jul 2020 05:19:47 +0000 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.48121|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.0183385-0.00121183-0.98045; FP=0|0|0|0|0|-1|-1|-1; HT=e02c03310; MF=maochenxi@eswin.com; NM=1; PH=DS; RN=7; RT=7; SR=0; TI=SMTPD_---.I-jIyZp_1594271970; Received: from localhost.localdomain(mailfrom:maochenxi@eswin.com fp:SMTPD_---.I-jIyZp_1594271970) by smtp.aliyun-inc.com(10.194.97.171); Thu, 09 Jul 2020 13:19:34 +0800 From: Chenxi Mao To: paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu Subject: [PATCH 1/1] riscv: Enable ARCH_HAS_FAST_MULTIPLIER for RV64I Date: Thu, 9 Jul 2020 13:19:22 +0800 Message-Id: <20200709051922.13110-1-maochenxi@eswin.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200709_011944_767755_02CDCC69 X-CRM114-Status: UNSURE ( 5.37 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-riscv@lists.infradead.org, Chenxi Mao , linux-kernel@vger.kernel.org, chenxi.mao2013@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Enable ARCH_HAS_FAST_MULTIPLIER on RV64I which works fine on GCC-9.3 and GCC-10.1 PS2: remove ARCH_SUPPORTS_INT128 because of RV64I already enabled. Signed-off-by: Chenxi Mao --- arch/riscv/Kconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 128192e14ff2..84e6777fecad 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -202,6 +202,7 @@ config ARCH_RV64I bool "RV64I" select 64BIT select ARCH_SUPPORTS_INT128 if CC_HAS_INT128 && GCC_VERSION >= 50000 + select ARCH_HAS_FAST_MULTIPLIER select HAVE_DYNAMIC_FTRACE if MMU select HAVE_DYNAMIC_FTRACE_WITH_REGS if HAVE_DYNAMIC_FTRACE select HAVE_FTRACE_MCOUNT_RECORD -- 2.25.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv