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=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 882A2C433E0 for ; Thu, 9 Jul 2020 05:19:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6A4A92053B for ; Thu, 9 Jul 2020 05:19:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726305AbgGIFTk (ORCPT ); Thu, 9 Jul 2020 01:19:40 -0400 Received: from out28-171.mail.aliyun.com ([115.124.28.171]:48617 "EHLO out28-171.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726064AbgGIFTj (ORCPT ); Thu, 9 Jul 2020 01:19:39 -0400 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 Cc: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, chenxi.mao2013@gmail.com, Chenxi Mao 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 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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