From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from smtp2-g21.free.fr (smtp2-g21.free.fr [IPv6:2a01:e0c:1:1599::11]) by sourceware.org (Postfix) with ESMTPS id 9A0CD3858CDB for ; Mon, 8 Jan 2024 09:32:19 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 9A0CD3858CDB Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=libertysurf.fr Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=libertysurf.fr ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 9A0CD3858CDB Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2a01:e0c:1:1599::11 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1704706341; cv=none; b=FKH3XogCq0b6438LJ7NEnFbwFQg9HQtkV2DF/Eo4Z8RV/QwEvA3neGI0BICVDF75RXL2fzWrXx+sSiuk7PHKSYsXCyjWrK48lY3axCSDkMhvu18EcRmejrXvweDlylbxTl9f2kmMvOzTMZOD69efqqE9EEWNpHX4nwfjCQCeatE= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1704706341; c=relaxed/simple; bh=WILriCrQSo5uuVv/8eH6INoszhjosuJ2EEz0yVAcTfk=; h=From:To:Subject:Date:Message-ID:MIME-Version; b=a/VInpbrtahixw3l7N0//7Bu5TaiNjPUBGiJDr96VjOf2ksQyVJl9H3Xip3xcVr1RdLy4b06+BVH/X/96HQiHZqps70w7uRk0ZVKmKpws+a4H2KTVItjNBLIBV1nZikNxDQ5LME5Wlh7lThF9teInjj1FJwxK+nS3MgK80ry/s8= ARC-Authentication-Results: i=1; server2.sourceware.org Received: from fomalhaut.localnet (unknown [IPv6:2a01:e0a:8d5:d990:e654:e8ff:fe8f:2ce6]) by smtp2-g21.free.fr (Postfix) with ESMTPS id CDFC620041A; Mon, 8 Jan 2024 10:32:17 +0100 (CET) From: Eric Botcazou To: Daniel Cederman Cc: gcc-patches@gcc.gnu.org Subject: Re: [PATCH 2/2] sparc: Add errata workaround to membar patterns Date: Mon, 08 Jan 2024 10:32:17 +0100 Message-ID: <3275405.44csPzL39Z@fomalhaut> In-Reply-To: <20240105071913.593978-4-cederman@gaisler.com> References: <20240105071913.593978-1-cederman@gaisler.com> <20240105071913.593978-4-cederman@gaisler.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,JMQ_SPF_NEUTRAL,KAM_DMARC_STATUS,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: > LEON now uses the standard V8 membar patterns that contains an ldstub > instruction. This instruction needs to be aligned properly when the > GR712RC errata workaround is enabled. > > gcc/ChangeLog: > > * config/sparc/sparc.cc (atomic_insn_for_leon3_p): Treat membar_storeload as atomic > * config/sparc/sync.md: Add GR712RC errata workaround The second ChangeLog entry should be more detailed: * config/sparc/sync.md (membar_storeload): Turn into named insn and add GR712RC errata workaround. (membar_v8): Add GR712RC errata workaround. OK with this change. -- Eric Botcazou