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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 1D3B5C10F27 for ; Sun, 8 Mar 2020 09:54:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DEC9020838 for ; Sun, 8 Mar 2020 09:53:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583661240; bh=WwPtYIv1nGW+mvlP8KwH+cUbKn5SIYN+qnxmc5C+cDI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=0UJ+hfgRbNf2cLCabyRKfgCgrJQqKXi2cdKx9cVwcEAABnCjYq6OSz5n24ccm3Hfw NfEr46TpvafHQfgEDkqLQUCzPw0yiN7P59Zf+EkHJmmaIyc3Vn9WOArfn07jPm1wQk 3cX3xk19N0xc5SbKmW9WCq7Wp5Riw6AAquNUyna8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726521AbgCHJxg (ORCPT ); Sun, 8 Mar 2020 05:53:36 -0400 Received: from mail.kernel.org ([198.145.29.99]:37538 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726481AbgCHJxc (ORCPT ); Sun, 8 Mar 2020 05:53:32 -0400 Received: from localhost.localdomain (unknown [89.208.247.74]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6559320866; Sun, 8 Mar 2020 09:53:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1583661212; bh=WwPtYIv1nGW+mvlP8KwH+cUbKn5SIYN+qnxmc5C+cDI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IgoQ9wBw8yzgnDSBgg2k8DTh+9TRWmVNnMNMJeMw6UF6pXV8A+HGRoaK3PXC1ATTU jDuffFuc/qhGajhaxbKkdMNs/b0JeLO7sFsWR84OVv6fzwge6V4rSZre28TcFPhda+ 10fiKMcekC9rR7hFcg3nTb2KTFI/ui7tAsUK/XP4= From: guoren@kernel.org To: paul.walmsley@sifive.com, palmer@dabbelt.com, Anup.Patel@wdc.com, greentime.hu@sifive.com Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, arnd@arndb.de, linux-csky@vger.kernel.org, linux-riscv@lists.infradead.org, Guo Ren , Dave Martin Subject: [RFC PATCH V3 05/11] riscv: Add vector feature to compile Date: Sun, 8 Mar 2020 17:49:48 +0800 Message-Id: <20200308094954.13258-6-guoren@kernel.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20200308094954.13258-1-guoren@kernel.org> References: <20200308094954.13258-1-guoren@kernel.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Guo Ren This patch add a config option which could enable assembler's vector feature. Signed-off-by: Guo Ren --- arch/riscv/Kconfig | 9 +++++++++ arch/riscv/Makefile | 1 + 2 files changed, 10 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 73f029eae0cc..c36589c85700 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -288,6 +288,15 @@ config FPU If you don't know what to do here, say Y. +config VECTOR + bool "VECTOR support" + default n + help + Say N here if you want to disable all vector related procedure + in the kernel. + + If you don't know what to do here, say Y. + endmenu menu "Kernel features" diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index 6d09b53cf106..071eb1148e01 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -44,6 +44,7 @@ riscv-march-aflags-$(CONFIG_ARCH_RV32I) := rv32ima riscv-march-aflags-$(CONFIG_ARCH_RV64I) := rv64ima riscv-march-aflags-$(CONFIG_FPU) := $(riscv-march-aflags-y)fd riscv-march-aflags-$(CONFIG_RISCV_ISA_C) := $(riscv-march-aflags-y)c +riscv-march-aflags-$(CONFIG_VECTOR) := $(riscv-march-aflags-y)v KBUILD_CFLAGS += -march=$(riscv-march-cflags-y) KBUILD_AFLAGS += -march=$(riscv-march-aflags-y) -- 2.17.0