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=-17.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,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 2F476C4338F for ; Mon, 16 Aug 2021 12:53:01 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 DE1BF63275 for ; Mon, 16 Aug 2021 12:53:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org DE1BF63275 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :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=FkYNom9qK6blrBTnQFoRbqNKpRDvVtMSI1Ijur33iRk=; b=LX1aIcz9ybwo0/ vofQXLWhVocovBvSnmimIdmcV2Rk5HDjmEa+BcaYNRufcUIeW0YUQdyuptZzFOvXRKWS6OgwWKYP3 r+Aoek+X6iRTloY1wf3h5ZtQ5qp+tUta1ThBOG9PeifdJqUvWK73U9p2HE77dotbNQi4l9Tzt2q3v 7OZ6YSnO0incIAxMTqxwgFPigdTS168wCDWATHGh2HpgJ5YhHOPN2CHJHlDhr/dqkJDTCrtaraCKd CjE7RJPEiJ5KY7iDr3DTnex6TlNyTHdLEJTG+bgCsZ7FRAXFNEFC5Y0ZMJRnVJJLIG0+n0o08UioY rRQzSGAeyL6lzMzJHUOg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mFc5F-00GyyZ-L8; Mon, 16 Aug 2021 12:51:17 +0000 Received: from mail.kernel.org ([198.145.29.99]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mFc59-00GyxZ-PR for linux-arm-kernel@lists.infradead.org; Mon, 16 Aug 2021 12:51:15 +0000 Received: by mail.kernel.org (Postfix) with ESMTPSA id C29F763279; Mon, 16 Aug 2021 12:51:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629118271; bh=kH7pf5mAHXMhEVB4rbERUjAyjwZWfdtmWUcncvl3Ek4=; h=From:To:Cc:Subject:Date:From; b=plem0dX3tktoIe0Ft1jBEExutF5HqxkAUUE059YOhXmREshHvcDqIxdG2KRjTshWW QFmIoFGBxUm9xQUgufw1rnWBLmVjufRsI7UaLG3ju37cohT5jCrEKskF1WaHhI/O8s d+VPvhASmSoGzujPYrSB4S7q9nrjPrMt9K6fkOKIg4veG4EeiqMcT3lBweuV6OO57j E5g+SgnfNog8kgWFynkSb+bafvBv6LkLiccQbRhnJrlcdioT3R/PBSdUekL4+pI5T6 xY6zSsAxcFD6Z3N+4Np+G75eiwhD9hLJ117YYI1g3AayDUkaRlv3iqdyndSrfeH8Qd N5VXkh+pgEy3w== From: Mark Brown To: Catalin Marinas , Will Deacon Cc: linux-arm-kernel@lists.infradead.org, Mark Brown Subject: [PATCH] arm64/sve: Add a comment documenting the binutils needed for SVE asm Date: Mon, 16 Aug 2021 13:50:23 +0100 Message-Id: <20210816125024.8112-1-broonie@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=803; h=from:subject; bh=kH7pf5mAHXMhEVB4rbERUjAyjwZWfdtmWUcncvl3Ek4=; b=owEBbQGS/pANAwAKASTWi3JdVIfQAcsmYgBhGl5tRKKlCZ+AfNHxyBys4JGm72a4DGQnoLnZh/Gl /61Cmu+JATMEAAEKAB0WIQSt5miqZ1cYtZ/in+ok1otyXVSH0AUCYRpebQAKCRAk1otyXVSH0PZZB/ 44v3fPRcnDN9O+qJljI6/JixMbPzbNbXIx47+o6Mm4QRQHFKwqwSwc3UREkZBt2rhIjGn6a/FJ8Ra8 wIKJGXbgiNoDveN75BC0IoMOqUrqbNVOrZDqdAheJjhjXcgDlO/GPdElpk02MYsomc3NMrcbOS0vYZ NPxC5JvzmLCI4rryT/GJ8ptBMY3d0jLTdcGoretqHeja381PDAsbUuwuVB7ALOwVhBguhIA5/PD/3i e3UWm4gi7fsWVuKTUOw6QjlcrD37a2G3KeN6+uXVvlQZx3XWffHJvApdhwK7pheQG+TmFyGqDXG3F0 BvpFYo+YQo2sl5wQt28LOxwnOPYWF1 X-Developer-Key: i=broonie@kernel.org; a=openpgp; fpr=3F2568AAC26998F9E813A1C5C3F436CA30F5D8EB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210816_055111_881238_1C843B26 X-CRM114-Status: UNSURE ( 9.01 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org At some point it would be nice to avoid the need to manually encode SVE instructions, add a note of the binutils version required to save looking it up. Signed-off-by: Mark Brown --- arch/arm64/include/asm/fpsimdmacros.h | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/include/asm/fpsimdmacros.h b/arch/arm64/include/asm/fpsimdmacros.h index 059204477ce6..00a2c0b69c2b 100644 --- a/arch/arm64/include/asm/fpsimdmacros.h +++ b/arch/arm64/include/asm/fpsimdmacros.h @@ -94,6 +94,7 @@ .endm /* SVE instruction encodings for non-SVE-capable assemblers */ +/* (pre binutils 2.28, all kernel capable clang versions support SVE) */ /* STR (vector): STR Z\nz, [X\nxbase, #\offset, MUL VL] */ .macro _sve_str_v nz, nxbase, offset=0 -- 2.20.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel